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 <openssl/objects.h>
151 #include <openssl/lhash.h>
152 #include <openssl/x509v3.h>
153 #include <openssl/rand.h>
154 #include <openssl/ocsp.h>
155 #ifndef OPENSSL_NO_DH
156 # include <openssl/dh.h>
158 #ifndef OPENSSL_NO_ENGINE
159 # include <openssl/engine.h>
161 #include <openssl/async.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 NULL
, /* client_finished_label */
180 0, /* client_finished_label_len */
181 NULL
, /* server_finished_label */
182 0, /* server_finished_label_len */
183 (int (*)(int))ssl_undefined_function
,
184 (int (*)(SSL
*, unsigned char *, size_t, const char *,
185 size_t, const unsigned char *, size_t,
186 int use_context
))ssl_undefined_function
,
189 struct ssl_async_args
{
195 int (*func1
)(SSL
*, void *, int);
196 int (*func2
)(SSL
*, const void *, int);
200 static void clear_ciphers(SSL
*s
)
202 /* clear the current cipher */
203 ssl_clear_cipher_ctx(s
);
204 ssl_clear_hash_ctx(&s
->read_hash
);
205 ssl_clear_hash_ctx(&s
->write_hash
);
208 int SSL_clear(SSL
*s
)
210 if (s
->method
== NULL
) {
211 SSLerr(SSL_F_SSL_CLEAR
, SSL_R_NO_METHOD_SPECIFIED
);
215 if (ssl_clear_bad_session(s
)) {
216 SSL_SESSION_free(s
->session
);
224 if (s
->renegotiate
) {
225 SSLerr(SSL_F_SSL_CLEAR
, ERR_R_INTERNAL_ERROR
);
229 ossl_statem_clear(s
);
231 s
->version
= s
->method
->version
;
232 s
->client_version
= s
->version
;
233 s
->rwstate
= SSL_NOTHING
;
235 BUF_MEM_free(s
->init_buf
);
241 * Check to see if we were changed into a different method, if so, revert
242 * back if we are not doing session-id reuse.
244 if (!ossl_statem_get_in_handshake(s
) && (s
->session
== NULL
)
245 && (s
->method
!= s
->ctx
->method
)) {
246 s
->method
->ssl_free(s
);
247 s
->method
= s
->ctx
->method
;
248 if (!s
->method
->ssl_new(s
))
251 s
->method
->ssl_clear(s
);
253 RECORD_LAYER_clear(&s
->rlayer
);
258 /** Used to change an SSL_CTXs default SSL method type */
259 int SSL_CTX_set_ssl_version(SSL_CTX
*ctx
, const SSL_METHOD
*meth
)
261 STACK_OF(SSL_CIPHER
) *sk
;
265 sk
= ssl_create_cipher_list(ctx
->method
, &(ctx
->cipher_list
),
266 &(ctx
->cipher_list_by_id
),
267 SSL_DEFAULT_CIPHER_LIST
, ctx
->cert
);
268 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= 0)) {
269 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION
,
270 SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
276 SSL
*SSL_new(SSL_CTX
*ctx
)
281 SSLerr(SSL_F_SSL_NEW
, SSL_R_NULL_SSL_CTX
);
284 if (ctx
->method
== NULL
) {
285 SSLerr(SSL_F_SSL_NEW
, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION
);
289 s
= OPENSSL_zalloc(sizeof(*s
));
293 RECORD_LAYER_init(&s
->rlayer
, s
);
295 s
->options
= ctx
->options
;
297 s
->max_cert_list
= ctx
->max_cert_list
;
301 * Earlier library versions used to copy the pointer to the CERT, not
302 * its contents; only when setting new parameters for the per-SSL
303 * copy, ssl_cert_new would be called (and the direct reference to
304 * the per-SSL_CTX settings would be lost, but those still were
305 * indirectly accessed for various purposes, and for that reason they
306 * used to be known as s->ctx->default_cert). Now we don't look at the
307 * SSL_CTX's CERT after having duplicated it once.
309 s
->cert
= ssl_cert_dup(ctx
->cert
);
313 RECORD_LAYER_set_read_ahead(&s
->rlayer
, ctx
->read_ahead
);
314 s
->msg_callback
= ctx
->msg_callback
;
315 s
->msg_callback_arg
= ctx
->msg_callback_arg
;
316 s
->verify_mode
= ctx
->verify_mode
;
317 s
->not_resumable_session_cb
= ctx
->not_resumable_session_cb
;
318 s
->sid_ctx_length
= ctx
->sid_ctx_length
;
319 OPENSSL_assert(s
->sid_ctx_length
<= sizeof s
->sid_ctx
);
320 memcpy(&s
->sid_ctx
, &ctx
->sid_ctx
, sizeof(s
->sid_ctx
));
321 s
->verify_callback
= ctx
->default_verify_callback
;
322 s
->generate_session_id
= ctx
->generate_session_id
;
324 s
->param
= X509_VERIFY_PARAM_new();
325 if (s
->param
== NULL
)
327 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
328 s
->quiet_shutdown
= ctx
->quiet_shutdown
;
329 s
->max_send_fragment
= ctx
->max_send_fragment
;
331 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
333 s
->tlsext_debug_cb
= 0;
334 s
->tlsext_debug_arg
= NULL
;
335 s
->tlsext_ticket_expected
= 0;
336 s
->tlsext_status_type
= -1;
337 s
->tlsext_status_expected
= 0;
338 s
->tlsext_ocsp_ids
= NULL
;
339 s
->tlsext_ocsp_exts
= NULL
;
340 s
->tlsext_ocsp_resp
= NULL
;
341 s
->tlsext_ocsp_resplen
= -1;
342 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
343 s
->initial_ctx
= ctx
;
344 # ifndef OPENSSL_NO_EC
345 if (ctx
->tlsext_ecpointformatlist
) {
346 s
->tlsext_ecpointformatlist
=
347 BUF_memdup(ctx
->tlsext_ecpointformatlist
,
348 ctx
->tlsext_ecpointformatlist_length
);
349 if (!s
->tlsext_ecpointformatlist
)
351 s
->tlsext_ecpointformatlist_length
=
352 ctx
->tlsext_ecpointformatlist_length
;
354 if (ctx
->tlsext_ellipticcurvelist
) {
355 s
->tlsext_ellipticcurvelist
=
356 BUF_memdup(ctx
->tlsext_ellipticcurvelist
,
357 ctx
->tlsext_ellipticcurvelist_length
);
358 if (!s
->tlsext_ellipticcurvelist
)
360 s
->tlsext_ellipticcurvelist_length
=
361 ctx
->tlsext_ellipticcurvelist_length
;
364 # ifndef OPENSSL_NO_NEXTPROTONEG
365 s
->next_proto_negotiated
= NULL
;
368 if (s
->ctx
->alpn_client_proto_list
) {
369 s
->alpn_client_proto_list
=
370 OPENSSL_malloc(s
->ctx
->alpn_client_proto_list_len
);
371 if (s
->alpn_client_proto_list
== NULL
)
373 memcpy(s
->alpn_client_proto_list
, s
->ctx
->alpn_client_proto_list
,
374 s
->ctx
->alpn_client_proto_list_len
);
375 s
->alpn_client_proto_list_len
= s
->ctx
->alpn_client_proto_list_len
;
378 s
->verify_result
= X509_V_OK
;
380 s
->default_passwd_callback
= ctx
->default_passwd_callback
;
381 s
->default_passwd_callback_userdata
= ctx
->default_passwd_callback_userdata
;
383 s
->method
= ctx
->method
;
385 if (!s
->method
->ssl_new(s
))
388 s
->server
= (ctx
->method
->ssl_accept
== ssl_undefined_function
) ? 0 : 1;
393 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
395 #ifndef OPENSSL_NO_PSK
396 s
->psk_client_callback
= ctx
->psk_client_callback
;
397 s
->psk_server_callback
= ctx
->psk_server_callback
;
405 SSLerr(SSL_F_SSL_NEW
, ERR_R_MALLOC_FAILURE
);
409 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
, const unsigned char *sid_ctx
,
410 unsigned int sid_ctx_len
)
412 if (sid_ctx_len
> sizeof ctx
->sid_ctx
) {
413 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT
,
414 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
417 ctx
->sid_ctx_length
= sid_ctx_len
;
418 memcpy(ctx
->sid_ctx
, sid_ctx
, sid_ctx_len
);
423 int SSL_set_session_id_context(SSL
*ssl
, const unsigned char *sid_ctx
,
424 unsigned int sid_ctx_len
)
426 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
427 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT
,
428 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
431 ssl
->sid_ctx_length
= sid_ctx_len
;
432 memcpy(ssl
->sid_ctx
, sid_ctx
, sid_ctx_len
);
437 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
439 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX
);
440 ctx
->generate_session_id
= cb
;
441 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX
);
445 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
447 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
448 ssl
->generate_session_id
= cb
;
449 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
453 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
457 * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
458 * we can "construct" a session to give us the desired check - ie. to
459 * find if there's a session in the hash table that would conflict with
460 * any new session built out of this id/id_len and the ssl_version in use
465 if (id_len
> sizeof r
.session_id
)
468 r
.ssl_version
= ssl
->version
;
469 r
.session_id_length
= id_len
;
470 memcpy(r
.session_id
, id
, id_len
);
472 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX
);
473 p
= lh_SSL_SESSION_retrieve(ssl
->ctx
->sessions
, &r
);
474 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX
);
478 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
480 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
483 int SSL_set_purpose(SSL
*s
, int purpose
)
485 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
488 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
490 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
493 int SSL_set_trust(SSL
*s
, int trust
)
495 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
498 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
500 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
503 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
505 return X509_VERIFY_PARAM_set1(ssl
->param
, vpm
);
508 X509_VERIFY_PARAM
*SSL_CTX_get0_param(SSL_CTX
*ctx
)
513 X509_VERIFY_PARAM
*SSL_get0_param(SSL
*ssl
)
518 void SSL_certs_clear(SSL
*s
)
520 ssl_cert_clear_certs(s
->cert
);
523 void SSL_free(SSL
*s
)
530 i
= CRYPTO_add(&s
->references
, -1, CRYPTO_LOCK_SSL
);
538 fprintf(stderr
, "SSL_free, bad reference count\n");
543 X509_VERIFY_PARAM_free(s
->param
);
544 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
546 if (s
->bbio
!= NULL
) {
547 /* If the buffering BIO is in place, pop it off */
548 if (s
->bbio
== s
->wbio
) {
549 s
->wbio
= BIO_pop(s
->wbio
);
554 BIO_free_all(s
->rbio
);
555 if (s
->wbio
!= s
->rbio
)
556 BIO_free_all(s
->wbio
);
558 BUF_MEM_free(s
->init_buf
);
560 /* add extra stuff */
561 sk_SSL_CIPHER_free(s
->cipher_list
);
562 sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
564 /* Make the next call work :-) */
565 if (s
->session
!= NULL
) {
566 ssl_clear_bad_session(s
);
567 SSL_SESSION_free(s
->session
);
572 ssl_cert_free(s
->cert
);
573 /* Free up if allocated */
575 OPENSSL_free(s
->tlsext_hostname
);
576 SSL_CTX_free(s
->initial_ctx
);
577 #ifndef OPENSSL_NO_EC
578 OPENSSL_free(s
->tlsext_ecpointformatlist
);
579 OPENSSL_free(s
->tlsext_ellipticcurvelist
);
580 #endif /* OPENSSL_NO_EC */
581 sk_X509_EXTENSION_pop_free(s
->tlsext_ocsp_exts
, X509_EXTENSION_free
);
582 sk_OCSP_RESPID_pop_free(s
->tlsext_ocsp_ids
, OCSP_RESPID_free
);
583 OPENSSL_free(s
->tlsext_ocsp_resp
);
584 OPENSSL_free(s
->alpn_client_proto_list
);
586 sk_X509_NAME_pop_free(s
->client_CA
, X509_NAME_free
);
588 if (s
->method
!= NULL
)
589 s
->method
->ssl_free(s
);
591 RECORD_LAYER_release(&s
->rlayer
);
593 SSL_CTX_free(s
->ctx
);
595 #if !defined(OPENSSL_NO_NEXTPROTONEG)
596 OPENSSL_free(s
->next_proto_negotiated
);
599 #ifndef OPENSSL_NO_SRTP
600 sk_SRTP_PROTECTION_PROFILE_free(s
->srtp_profiles
);
606 void SSL_set_rbio(SSL
*s
, BIO
*rbio
)
609 BIO_free_all(s
->rbio
);
613 void SSL_set_wbio(SSL
*s
, BIO
*wbio
)
616 * If the output buffering BIO is still in place, remove it
618 if (s
->bbio
!= NULL
) {
619 if (s
->wbio
== s
->bbio
) {
620 s
->wbio
= s
->wbio
->next_bio
;
621 s
->bbio
->next_bio
= NULL
;
624 if (s
->wbio
!= wbio
&& s
->rbio
!= s
->wbio
)
625 BIO_free_all(s
->wbio
);
629 void SSL_set_bio(SSL
*s
, BIO
*rbio
, BIO
*wbio
)
631 SSL_set_wbio(s
, wbio
);
632 SSL_set_rbio(s
, rbio
);
635 BIO
*SSL_get_rbio(const SSL
*s
)
640 BIO
*SSL_get_wbio(const SSL
*s
)
645 int SSL_get_fd(const SSL
*s
)
647 return (SSL_get_rfd(s
));
650 int SSL_get_rfd(const SSL
*s
)
656 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
662 int SSL_get_wfd(const SSL
*s
)
668 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
674 #ifndef OPENSSL_NO_SOCK
675 int SSL_set_fd(SSL
*s
, int fd
)
680 bio
= BIO_new(BIO_s_socket());
683 SSLerr(SSL_F_SSL_SET_FD
, ERR_R_BUF_LIB
);
686 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
687 SSL_set_bio(s
, bio
, bio
);
693 int SSL_set_wfd(SSL
*s
, int fd
)
698 if ((s
->rbio
== NULL
) || (BIO_method_type(s
->rbio
) != BIO_TYPE_SOCKET
)
699 || ((int)BIO_get_fd(s
->rbio
, NULL
) != fd
)) {
700 bio
= BIO_new(BIO_s_socket());
703 SSLerr(SSL_F_SSL_SET_WFD
, ERR_R_BUF_LIB
);
706 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
707 SSL_set_bio(s
, SSL_get_rbio(s
), bio
);
709 SSL_set_bio(s
, SSL_get_rbio(s
), SSL_get_rbio(s
));
715 int SSL_set_rfd(SSL
*s
, int fd
)
720 if ((s
->wbio
== NULL
) || (BIO_method_type(s
->wbio
) != BIO_TYPE_SOCKET
)
721 || ((int)BIO_get_fd(s
->wbio
, NULL
) != fd
)) {
722 bio
= BIO_new(BIO_s_socket());
725 SSLerr(SSL_F_SSL_SET_RFD
, ERR_R_BUF_LIB
);
728 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
729 SSL_set_bio(s
, bio
, SSL_get_wbio(s
));
731 SSL_set_bio(s
, SSL_get_wbio(s
), SSL_get_wbio(s
));
738 /* return length of latest Finished message we sent, copy to 'buf' */
739 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
744 ret
= s
->s3
->tmp
.finish_md_len
;
747 memcpy(buf
, s
->s3
->tmp
.finish_md
, count
);
752 /* return length of latest Finished message we expected, copy to 'buf' */
753 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
758 ret
= s
->s3
->tmp
.peer_finish_md_len
;
761 memcpy(buf
, s
->s3
->tmp
.peer_finish_md
, count
);
766 int SSL_get_verify_mode(const SSL
*s
)
768 return (s
->verify_mode
);
771 int SSL_get_verify_depth(const SSL
*s
)
773 return X509_VERIFY_PARAM_get_depth(s
->param
);
776 int (*SSL_get_verify_callback(const SSL
*s
)) (int, X509_STORE_CTX
*) {
777 return (s
->verify_callback
);
780 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
782 return (ctx
->verify_mode
);
785 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
787 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
790 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
)) (int, X509_STORE_CTX
*) {
791 return (ctx
->default_verify_callback
);
794 void SSL_set_verify(SSL
*s
, int mode
,
795 int (*callback
) (int ok
, X509_STORE_CTX
*ctx
))
797 s
->verify_mode
= mode
;
798 if (callback
!= NULL
)
799 s
->verify_callback
= callback
;
802 void SSL_set_verify_depth(SSL
*s
, int depth
)
804 X509_VERIFY_PARAM_set_depth(s
->param
, depth
);
807 void SSL_set_read_ahead(SSL
*s
, int yes
)
809 RECORD_LAYER_set_read_ahead(&s
->rlayer
, yes
);
812 int SSL_get_read_ahead(const SSL
*s
)
814 return RECORD_LAYER_get_read_ahead(&s
->rlayer
);
817 int SSL_pending(const SSL
*s
)
820 * SSL_pending cannot work properly if read-ahead is enabled
821 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is
822 * impossible to fix since SSL_pending cannot report errors that may be
823 * observed while scanning the new data. (Note that SSL_pending() is
824 * often used as a boolean value, so we'd better not return -1.)
826 return (s
->method
->ssl_pending(s
));
829 X509
*SSL_get_peer_certificate(const SSL
*s
)
833 if ((s
== NULL
) || (s
->session
== NULL
))
836 r
= s
->session
->peer
;
846 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
850 if ((s
== NULL
) || (s
->session
== NULL
))
853 r
= s
->session
->peer_chain
;
856 * If we are a client, cert_chain includes the peer's own certificate; if
857 * we are a server, it does not.
864 * Now in theory, since the calling process own 't' it should be safe to
865 * modify. We need to be able to read f without being hassled
867 int SSL_copy_session_id(SSL
*t
, const SSL
*f
)
869 /* Do we need to to SSL locking? */
870 if (!SSL_set_session(t
, SSL_get_session(f
))) {
875 * what if we are setup for one protocol version but want to talk another
877 if (t
->method
!= f
->method
) {
878 t
->method
->ssl_free(t
); /* cleanup current */
879 t
->method
= f
->method
; /* change method */
880 t
->method
->ssl_new(t
); /* setup new */
883 CRYPTO_add(&f
->cert
->references
, 1, CRYPTO_LOCK_SSL_CERT
);
884 ssl_cert_free(t
->cert
);
886 if (!SSL_set_session_id_context(t
, f
->sid_ctx
, f
->sid_ctx_length
)) {
893 /* Fix this so it checks all the valid key/cert options */
894 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
897 (ctx
->cert
->key
->x509
== NULL
)) {
898 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,
899 SSL_R_NO_CERTIFICATE_ASSIGNED
);
902 if (ctx
->cert
->key
->privatekey
== NULL
) {
903 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,
904 SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
907 return (X509_check_private_key
908 (ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
));
911 /* Fix this function so that it takes an optional type parameter */
912 int SSL_check_private_key(const SSL
*ssl
)
915 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, ERR_R_PASSED_NULL_PARAMETER
);
918 if (ssl
->cert
->key
->x509
== NULL
) {
919 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
922 if (ssl
->cert
->key
->privatekey
== NULL
) {
923 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
926 return (X509_check_private_key(ssl
->cert
->key
->x509
,
927 ssl
->cert
->key
->privatekey
));
930 int SSL_waiting_for_async(SSL
*s
)
938 int SSL_get_async_wait_fd(SSL
*s
)
943 return ASYNC_get_wait_fd(s
->job
);
946 int SSL_accept(SSL
*s
)
948 if (s
->handshake_func
== 0) {
949 /* Not properly initialized yet */
950 SSL_set_accept_state(s
);
953 return SSL_do_handshake(s
);
956 int SSL_connect(SSL
*s
)
958 if (s
->handshake_func
== 0) {
959 /* Not properly initialized yet */
960 SSL_set_connect_state(s
);
963 return SSL_do_handshake(s
);
966 long SSL_get_default_timeout(const SSL
*s
)
968 return (s
->method
->get_timeout());
971 static int ssl_start_async_job(SSL
*s
, struct ssl_async_args
*args
,
972 int (*func
)(void *)) {
974 switch(ASYNC_start_job(&s
->job
, &ret
, func
, args
,
975 sizeof(struct ssl_async_args
))) {
977 s
->rwstate
= SSL_NOTHING
;
978 SSLerr(SSL_F_SSL_START_ASYNC_JOB
, SSL_R_FAILED_TO_INIT_ASYNC
);
981 s
->rwstate
= SSL_ASYNC_PAUSED
;
987 s
->rwstate
= SSL_NOTHING
;
988 SSLerr(SSL_F_SSL_START_ASYNC_JOB
, ERR_R_INTERNAL_ERROR
);
989 /* Shouldn't happen */
994 static int ssl_io_intern(void *vargs
)
996 struct ssl_async_args
*args
;
1001 args
= (struct ssl_async_args
*)vargs
;
1005 if (args
->type
== 1)
1006 return args
->f
.func1(s
, buf
, num
);
1008 return args
->f
.func2(s
, buf
, num
);
1011 int SSL_read(SSL
*s
, void *buf
, int num
)
1013 if (s
->handshake_func
== 0) {
1014 SSLerr(SSL_F_SSL_READ
, SSL_R_UNINITIALIZED
);
1018 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
1019 s
->rwstate
= SSL_NOTHING
;
1023 if((s
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
1024 struct ssl_async_args args
;
1030 args
.f
.func1
= s
->method
->ssl_read
;
1032 return ssl_start_async_job(s
, &args
, ssl_io_intern
);
1034 return s
->method
->ssl_read(s
, buf
, num
);
1038 int SSL_peek(SSL
*s
, void *buf
, int num
)
1040 if (s
->handshake_func
== 0) {
1041 SSLerr(SSL_F_SSL_PEEK
, SSL_R_UNINITIALIZED
);
1045 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
1048 if((s
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
1049 struct ssl_async_args args
;
1055 args
.f
.func1
= s
->method
->ssl_peek
;
1057 return ssl_start_async_job(s
, &args
, ssl_io_intern
);
1059 return s
->method
->ssl_peek(s
, buf
, num
);
1063 int SSL_write(SSL
*s
, const void *buf
, int num
)
1065 if (s
->handshake_func
== 0) {
1066 SSLerr(SSL_F_SSL_WRITE
, SSL_R_UNINITIALIZED
);
1070 if (s
->shutdown
& SSL_SENT_SHUTDOWN
) {
1071 s
->rwstate
= SSL_NOTHING
;
1072 SSLerr(SSL_F_SSL_WRITE
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
1076 if((s
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
1077 struct ssl_async_args args
;
1080 args
.buf
= (void *)buf
;
1083 args
.f
.func2
= s
->method
->ssl_write
;
1085 return ssl_start_async_job(s
, &args
, ssl_io_intern
);
1087 return s
->method
->ssl_write(s
, buf
, num
);
1091 int SSL_shutdown(SSL
*s
)
1094 * Note that this function behaves differently from what one might
1095 * expect. Return values are 0 for no success (yet), 1 for success; but
1096 * calling it once is usually not enough, even if blocking I/O is used
1097 * (see ssl3_shutdown).
1100 if (s
->handshake_func
== 0) {
1101 SSLerr(SSL_F_SSL_SHUTDOWN
, SSL_R_UNINITIALIZED
);
1105 if (!SSL_in_init(s
))
1106 return (s
->method
->ssl_shutdown(s
));
1111 int SSL_renegotiate(SSL
*s
)
1113 if (s
->renegotiate
== 0)
1118 return (s
->method
->ssl_renegotiate(s
));
1121 int SSL_renegotiate_abbreviated(SSL
*s
)
1123 if (s
->renegotiate
== 0)
1128 return (s
->method
->ssl_renegotiate(s
));
1131 int SSL_renegotiate_pending(SSL
*s
)
1134 * becomes true when negotiation is requested; false again once a
1135 * handshake has finished
1137 return (s
->renegotiate
!= 0);
1140 long SSL_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
)
1145 case SSL_CTRL_GET_READ_AHEAD
:
1146 return (RECORD_LAYER_get_read_ahead(&s
->rlayer
));
1147 case SSL_CTRL_SET_READ_AHEAD
:
1148 l
= RECORD_LAYER_get_read_ahead(&s
->rlayer
);
1149 RECORD_LAYER_set_read_ahead(&s
->rlayer
, larg
);
1152 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1153 s
->msg_callback_arg
= parg
;
1156 case SSL_CTRL_OPTIONS
:
1157 return (s
->options
|= larg
);
1158 case SSL_CTRL_CLEAR_OPTIONS
:
1159 return (s
->options
&= ~larg
);
1161 return (s
->mode
|= larg
);
1162 case SSL_CTRL_CLEAR_MODE
:
1163 return (s
->mode
&= ~larg
);
1164 case SSL_CTRL_GET_MAX_CERT_LIST
:
1165 return (s
->max_cert_list
);
1166 case SSL_CTRL_SET_MAX_CERT_LIST
:
1167 l
= s
->max_cert_list
;
1168 s
->max_cert_list
= larg
;
1170 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1171 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1173 s
->max_send_fragment
= larg
;
1175 case SSL_CTRL_GET_RI_SUPPORT
:
1177 return s
->s3
->send_connection_binding
;
1180 case SSL_CTRL_CERT_FLAGS
:
1181 return (s
->cert
->cert_flags
|= larg
);
1182 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1183 return (s
->cert
->cert_flags
&= ~larg
);
1185 case SSL_CTRL_GET_RAW_CIPHERLIST
:
1187 if (s
->s3
->tmp
.ciphers_raw
== NULL
)
1189 *(unsigned char **)parg
= s
->s3
->tmp
.ciphers_raw
;
1190 return (int)s
->s3
->tmp
.ciphers_rawlen
;
1192 return TLS_CIPHER_LEN
;
1194 case SSL_CTRL_GET_EXTMS_SUPPORT
:
1195 if (!s
->session
|| SSL_in_init(s
) || ossl_statem_get_in_handshake(s
))
1197 if (s
->session
->flags
& SSL_SESS_FLAG_EXTMS
)
1202 return (s
->method
->ssl_ctrl(s
, cmd
, larg
, parg
));
1206 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void))
1209 case SSL_CTRL_SET_MSG_CALLBACK
:
1210 s
->msg_callback
= (void (*)
1211 (int write_p
, int version
, int content_type
,
1212 const void *buf
, size_t len
, SSL
*ssl
,
1217 return (s
->method
->ssl_callback_ctrl(s
, cmd
, fp
));
1221 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
1223 return ctx
->sessions
;
1226 long SSL_CTX_ctrl(SSL_CTX
*ctx
, int cmd
, long larg
, void *parg
)
1229 /* For some cases with ctx == NULL perform syntax checks */
1232 #ifndef OPENSSL_NO_EC
1233 case SSL_CTRL_SET_CURVES_LIST
:
1234 return tls1_set_curves_list(NULL
, NULL
, parg
);
1236 case SSL_CTRL_SET_SIGALGS_LIST
:
1237 case SSL_CTRL_SET_CLIENT_SIGALGS_LIST
:
1238 return tls1_set_sigalgs_list(NULL
, parg
, 0);
1245 case SSL_CTRL_GET_READ_AHEAD
:
1246 return (ctx
->read_ahead
);
1247 case SSL_CTRL_SET_READ_AHEAD
:
1248 l
= ctx
->read_ahead
;
1249 ctx
->read_ahead
= larg
;
1252 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1253 ctx
->msg_callback_arg
= parg
;
1256 case SSL_CTRL_GET_MAX_CERT_LIST
:
1257 return (ctx
->max_cert_list
);
1258 case SSL_CTRL_SET_MAX_CERT_LIST
:
1259 l
= ctx
->max_cert_list
;
1260 ctx
->max_cert_list
= larg
;
1263 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
1264 l
= ctx
->session_cache_size
;
1265 ctx
->session_cache_size
= larg
;
1267 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
1268 return (ctx
->session_cache_size
);
1269 case SSL_CTRL_SET_SESS_CACHE_MODE
:
1270 l
= ctx
->session_cache_mode
;
1271 ctx
->session_cache_mode
= larg
;
1273 case SSL_CTRL_GET_SESS_CACHE_MODE
:
1274 return (ctx
->session_cache_mode
);
1276 case SSL_CTRL_SESS_NUMBER
:
1277 return (lh_SSL_SESSION_num_items(ctx
->sessions
));
1278 case SSL_CTRL_SESS_CONNECT
:
1279 return (ctx
->stats
.sess_connect
);
1280 case SSL_CTRL_SESS_CONNECT_GOOD
:
1281 return (ctx
->stats
.sess_connect_good
);
1282 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
1283 return (ctx
->stats
.sess_connect_renegotiate
);
1284 case SSL_CTRL_SESS_ACCEPT
:
1285 return (ctx
->stats
.sess_accept
);
1286 case SSL_CTRL_SESS_ACCEPT_GOOD
:
1287 return (ctx
->stats
.sess_accept_good
);
1288 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
1289 return (ctx
->stats
.sess_accept_renegotiate
);
1290 case SSL_CTRL_SESS_HIT
:
1291 return (ctx
->stats
.sess_hit
);
1292 case SSL_CTRL_SESS_CB_HIT
:
1293 return (ctx
->stats
.sess_cb_hit
);
1294 case SSL_CTRL_SESS_MISSES
:
1295 return (ctx
->stats
.sess_miss
);
1296 case SSL_CTRL_SESS_TIMEOUTS
:
1297 return (ctx
->stats
.sess_timeout
);
1298 case SSL_CTRL_SESS_CACHE_FULL
:
1299 return (ctx
->stats
.sess_cache_full
);
1300 case SSL_CTRL_OPTIONS
:
1301 return (ctx
->options
|= larg
);
1302 case SSL_CTRL_CLEAR_OPTIONS
:
1303 return (ctx
->options
&= ~larg
);
1305 return (ctx
->mode
|= larg
);
1306 case SSL_CTRL_CLEAR_MODE
:
1307 return (ctx
->mode
&= ~larg
);
1308 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1309 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1311 ctx
->max_send_fragment
= larg
;
1313 case SSL_CTRL_CERT_FLAGS
:
1314 return (ctx
->cert
->cert_flags
|= larg
);
1315 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1316 return (ctx
->cert
->cert_flags
&= ~larg
);
1318 return (ctx
->method
->ssl_ctx_ctrl(ctx
, cmd
, larg
, parg
));
1322 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
) (void))
1325 case SSL_CTRL_SET_MSG_CALLBACK
:
1326 ctx
->msg_callback
= (void (*)
1327 (int write_p
, int version
, int content_type
,
1328 const void *buf
, size_t len
, SSL
*ssl
,
1333 return (ctx
->method
->ssl_ctx_callback_ctrl(ctx
, cmd
, fp
));
1337 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
1346 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
*const *ap
,
1347 const SSL_CIPHER
*const *bp
)
1349 if ((*ap
)->id
> (*bp
)->id
)
1351 if ((*ap
)->id
< (*bp
)->id
)
1356 /** return a STACK of the ciphers available for the SSL and in order of
1358 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
1361 if (s
->cipher_list
!= NULL
) {
1362 return (s
->cipher_list
);
1363 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list
!= NULL
)) {
1364 return (s
->ctx
->cipher_list
);
1370 STACK_OF(SSL_CIPHER
) *SSL_get_client_ciphers(const SSL
*s
)
1372 if ((s
== NULL
) || (s
->session
== NULL
) || !s
->server
)
1374 return s
->session
->ciphers
;
1377 STACK_OF(SSL_CIPHER
) *SSL_get1_supported_ciphers(SSL
*s
)
1379 STACK_OF(SSL_CIPHER
) *sk
= NULL
, *ciphers
;
1381 ciphers
= SSL_get_ciphers(s
);
1384 ssl_set_client_disabled(s
);
1385 for (i
= 0; i
< sk_SSL_CIPHER_num(ciphers
); i
++) {
1386 const SSL_CIPHER
*c
= sk_SSL_CIPHER_value(ciphers
, i
);
1387 if (!ssl_cipher_disabled(s
, c
, SSL_SECOP_CIPHER_SUPPORTED
)) {
1389 sk
= sk_SSL_CIPHER_new_null();
1392 if (!sk_SSL_CIPHER_push(sk
, c
)) {
1393 sk_SSL_CIPHER_free(sk
);
1401 /** return a STACK of the ciphers available for the SSL and in order of
1403 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
)
1406 if (s
->cipher_list_by_id
!= NULL
) {
1407 return (s
->cipher_list_by_id
);
1408 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list_by_id
!= NULL
)) {
1409 return (s
->ctx
->cipher_list_by_id
);
1415 /** The old interface to get the same thing as SSL_get_ciphers() */
1416 const char *SSL_get_cipher_list(const SSL
*s
, int n
)
1419 STACK_OF(SSL_CIPHER
) *sk
;
1423 sk
= SSL_get_ciphers(s
);
1424 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
1426 c
= sk_SSL_CIPHER_value(sk
, n
);
1432 /** specify the ciphers to be used by default by the SSL_CTX */
1433 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
1435 STACK_OF(SSL_CIPHER
) *sk
;
1437 sk
= ssl_create_cipher_list(ctx
->method
, &ctx
->cipher_list
,
1438 &ctx
->cipher_list_by_id
, str
, ctx
->cert
);
1440 * ssl_create_cipher_list may return an empty stack if it was unable to
1441 * find a cipher matching the given rule string (for example if the rule
1442 * string specifies a cipher which has been disabled). This is not an
1443 * error as far as ssl_create_cipher_list is concerned, and hence
1444 * ctx->cipher_list and ctx->cipher_list_by_id has been updated.
1448 else if (sk_SSL_CIPHER_num(sk
) == 0) {
1449 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1455 /** specify the ciphers to be used by the SSL */
1456 int SSL_set_cipher_list(SSL
*s
, const char *str
)
1458 STACK_OF(SSL_CIPHER
) *sk
;
1460 sk
= ssl_create_cipher_list(s
->ctx
->method
, &s
->cipher_list
,
1461 &s
->cipher_list_by_id
, str
, s
->cert
);
1462 /* see comment in SSL_CTX_set_cipher_list */
1465 else if (sk_SSL_CIPHER_num(sk
) == 0) {
1466 SSLerr(SSL_F_SSL_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1472 char *SSL_get_shared_ciphers(const SSL
*s
, char *buf
, int len
)
1475 STACK_OF(SSL_CIPHER
) *sk
;
1479 if ((s
->session
== NULL
) || (s
->session
->ciphers
== NULL
) || (len
< 2))
1483 sk
= s
->session
->ciphers
;
1485 if (sk_SSL_CIPHER_num(sk
) == 0)
1488 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); i
++) {
1491 c
= sk_SSL_CIPHER_value(sk
, i
);
1492 n
= strlen(c
->name
);
1508 /** return a servername extension value if provided in Client Hello, or NULL.
1509 * So far, only host_name types are defined (RFC 3546).
1512 const char *SSL_get_servername(const SSL
*s
, const int type
)
1514 if (type
!= TLSEXT_NAMETYPE_host_name
)
1517 return s
->session
&& !s
->tlsext_hostname
?
1518 s
->session
->tlsext_hostname
: s
->tlsext_hostname
;
1521 int SSL_get_servername_type(const SSL
*s
)
1524 && (!s
->tlsext_hostname
? s
->session
->
1525 tlsext_hostname
: s
->tlsext_hostname
))
1526 return TLSEXT_NAMETYPE_host_name
;
1531 * SSL_select_next_proto implements the standard protocol selection. It is
1532 * expected that this function is called from the callback set by
1533 * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a
1534 * vector of 8-bit, length prefixed byte strings. The length byte itself is
1535 * not included in the length. A byte string of length 0 is invalid. No byte
1536 * string may be truncated. The current, but experimental algorithm for
1537 * selecting the protocol is: 1) If the server doesn't support NPN then this
1538 * is indicated to the callback. In this case, the client application has to
1539 * abort the connection or have a default application level protocol. 2) If
1540 * the server supports NPN, but advertises an empty list then the client
1541 * selects the first protcol in its list, but indicates via the API that this
1542 * fallback case was enacted. 3) Otherwise, the client finds the first
1543 * protocol in the server's list that it supports and selects this protocol.
1544 * This is because it's assumed that the server has better information about
1545 * which protocol a client should use. 4) If the client doesn't support any
1546 * of the server's advertised protocols, then this is treated the same as
1547 * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was
1548 * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
1550 int SSL_select_next_proto(unsigned char **out
, unsigned char *outlen
,
1551 const unsigned char *server
,
1552 unsigned int server_len
,
1553 const unsigned char *client
,
1554 unsigned int client_len
)
1557 const unsigned char *result
;
1558 int status
= OPENSSL_NPN_UNSUPPORTED
;
1561 * For each protocol in server preference order, see if we support it.
1563 for (i
= 0; i
< server_len
;) {
1564 for (j
= 0; j
< client_len
;) {
1565 if (server
[i
] == client
[j
] &&
1566 memcmp(&server
[i
+ 1], &client
[j
+ 1], server
[i
]) == 0) {
1567 /* We found a match */
1568 result
= &server
[i
];
1569 status
= OPENSSL_NPN_NEGOTIATED
;
1579 /* There's no overlap between our protocols and the server's list. */
1581 status
= OPENSSL_NPN_NO_OVERLAP
;
1584 *out
= (unsigned char *)result
+ 1;
1585 *outlen
= result
[0];
1589 #ifndef OPENSSL_NO_NEXTPROTONEG
1591 * SSL_get0_next_proto_negotiated sets *data and *len to point to the
1592 * client's requested protocol for this connection and returns 0. If the
1593 * client didn't request any protocol, then *data is set to NULL. Note that
1594 * the client can request any protocol it chooses. The value returned from
1595 * this function need not be a member of the list of supported protocols
1596 * provided by the callback.
1598 void SSL_get0_next_proto_negotiated(const SSL
*s
, const unsigned char **data
,
1601 *data
= s
->next_proto_negotiated
;
1605 *len
= s
->next_proto_negotiated_len
;
1610 * SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when
1611 * a TLS server needs a list of supported protocols for Next Protocol
1612 * Negotiation. The returned list must be in wire format. The list is
1613 * returned by setting |out| to point to it and |outlen| to its length. This
1614 * memory will not be modified, but one should assume that the SSL* keeps a
1615 * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it
1616 * wishes to advertise. Otherwise, no such extension will be included in the
1619 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX
*ctx
,
1620 int (*cb
) (SSL
*ssl
,
1623 unsigned int *outlen
,
1624 void *arg
), void *arg
)
1626 ctx
->next_protos_advertised_cb
= cb
;
1627 ctx
->next_protos_advertised_cb_arg
= arg
;
1631 * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
1632 * client needs to select a protocol from the server's provided list. |out|
1633 * must be set to point to the selected protocol (which may be within |in|).
1634 * The length of the protocol name must be written into |outlen|. The
1635 * server's advertised protocols are provided in |in| and |inlen|. The
1636 * callback can assume that |in| is syntactically valid. The client must
1637 * select a protocol. It is fatal to the connection if this callback returns
1638 * a value other than SSL_TLSEXT_ERR_OK.
1640 void SSL_CTX_set_next_proto_select_cb(SSL_CTX
*ctx
,
1641 int (*cb
) (SSL
*s
, unsigned char **out
,
1642 unsigned char *outlen
,
1643 const unsigned char *in
,
1645 void *arg
), void *arg
)
1647 ctx
->next_proto_select_cb
= cb
;
1648 ctx
->next_proto_select_cb_arg
= arg
;
1653 * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
1654 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1655 * length-prefixed strings). Returns 0 on success.
1657 int SSL_CTX_set_alpn_protos(SSL_CTX
*ctx
, const unsigned char *protos
,
1658 unsigned protos_len
)
1660 OPENSSL_free(ctx
->alpn_client_proto_list
);
1661 ctx
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
1662 if (ctx
->alpn_client_proto_list
== NULL
)
1664 memcpy(ctx
->alpn_client_proto_list
, protos
, protos_len
);
1665 ctx
->alpn_client_proto_list_len
= protos_len
;
1671 * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
1672 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1673 * length-prefixed strings). Returns 0 on success.
1675 int SSL_set_alpn_protos(SSL
*ssl
, const unsigned char *protos
,
1676 unsigned protos_len
)
1678 OPENSSL_free(ssl
->alpn_client_proto_list
);
1679 ssl
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
1680 if (ssl
->alpn_client_proto_list
== NULL
)
1682 memcpy(ssl
->alpn_client_proto_list
, protos
, protos_len
);
1683 ssl
->alpn_client_proto_list_len
= protos_len
;
1689 * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is
1690 * called during ClientHello processing in order to select an ALPN protocol
1691 * from the client's list of offered protocols.
1693 void SSL_CTX_set_alpn_select_cb(SSL_CTX
*ctx
,
1694 int (*cb
) (SSL
*ssl
,
1695 const unsigned char **out
,
1696 unsigned char *outlen
,
1697 const unsigned char *in
,
1699 void *arg
), void *arg
)
1701 ctx
->alpn_select_cb
= cb
;
1702 ctx
->alpn_select_cb_arg
= arg
;
1706 * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from
1707 * |ssl|. On return it sets |*data| to point to |*len| bytes of protocol name
1708 * (not including the leading length-prefix byte). If the server didn't
1709 * respond with a negotiated protocol then |*len| will be zero.
1711 void SSL_get0_alpn_selected(const SSL
*ssl
, const unsigned char **data
,
1716 *data
= ssl
->s3
->alpn_selected
;
1720 *len
= ssl
->s3
->alpn_selected_len
;
1724 int SSL_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
1725 const char *label
, size_t llen
,
1726 const unsigned char *p
, size_t plen
,
1729 if (s
->version
< TLS1_VERSION
)
1732 return s
->method
->ssl3_enc
->export_keying_material(s
, out
, olen
, label
,
1737 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
1742 ((unsigned int)a
->session_id
[0]) |
1743 ((unsigned int)a
->session_id
[1] << 8L) |
1744 ((unsigned long)a
->session_id
[2] << 16L) |
1745 ((unsigned long)a
->session_id
[3] << 24L);
1750 * NB: If this function (or indeed the hash function which uses a sort of
1751 * coarser function than this one) is changed, ensure
1752 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on
1753 * being able to construct an SSL_SESSION that will collide with any existing
1754 * session with a matching session ID.
1756 static int ssl_session_cmp(const SSL_SESSION
*a
, const SSL_SESSION
*b
)
1758 if (a
->ssl_version
!= b
->ssl_version
)
1760 if (a
->session_id_length
!= b
->session_id_length
)
1762 return (memcmp(a
->session_id
, b
->session_id
, a
->session_id_length
));
1766 * These wrapper functions should remain rather than redeclaring
1767 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1768 * variable. The reason is that the functions aren't static, they're exposed
1771 static IMPLEMENT_LHASH_HASH_FN(ssl_session
, SSL_SESSION
)
1772 static IMPLEMENT_LHASH_COMP_FN(ssl_session
, SSL_SESSION
)
1774 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
1776 SSL_CTX
*ret
= NULL
;
1779 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_NULL_SSL_METHOD_PASSED
);
1783 if (FIPS_mode() && (meth
->version
< TLS1_VERSION
)) {
1784 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE
);
1788 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
1789 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
1792 ret
= OPENSSL_zalloc(sizeof(*ret
));
1797 ret
->session_cache_mode
= SSL_SESS_CACHE_SERVER
;
1798 ret
->session_cache_size
= SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
1799 /* We take the system default. */
1800 ret
->session_timeout
= meth
->get_timeout();
1801 ret
->references
= 1;
1802 ret
->max_cert_list
= SSL_MAX_CERT_LIST_DEFAULT
;
1803 ret
->verify_mode
= SSL_VERIFY_NONE
;
1804 if ((ret
->cert
= ssl_cert_new()) == NULL
)
1807 ret
->sessions
= lh_SSL_SESSION_new();
1808 if (ret
->sessions
== NULL
)
1810 ret
->cert_store
= X509_STORE_new();
1811 if (ret
->cert_store
== NULL
)
1814 if (!ssl_create_cipher_list(ret
->method
,
1815 &ret
->cipher_list
, &ret
->cipher_list_by_id
,
1816 SSL_DEFAULT_CIPHER_LIST
, ret
->cert
)
1817 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0) {
1818 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_LIBRARY_HAS_NO_CIPHERS
);
1822 ret
->param
= X509_VERIFY_PARAM_new();
1823 if (ret
->param
== NULL
)
1826 if ((ret
->md5
= EVP_get_digestbyname("ssl3-md5")) == NULL
) {
1827 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES
);
1830 if ((ret
->sha1
= EVP_get_digestbyname("ssl3-sha1")) == NULL
) {
1831 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES
);
1835 if ((ret
->client_CA
= sk_X509_NAME_new_null()) == NULL
)
1838 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
);
1840 /* No compression for DTLS */
1841 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
))
1842 ret
->comp_methods
= SSL_COMP_get_compression_methods();
1844 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
1846 /* Setup RFC4507 ticket keys */
1847 if ((RAND_bytes(ret
->tlsext_tick_key_name
, 16) <= 0)
1848 || (RAND_bytes(ret
->tlsext_tick_hmac_key
, 16) <= 0)
1849 || (RAND_bytes(ret
->tlsext_tick_aes_key
, 16) <= 0))
1850 ret
->options
|= SSL_OP_NO_TICKET
;
1852 #ifndef OPENSSL_NO_SRP
1853 if (!SSL_CTX_SRP_CTX_init(ret
))
1856 #ifndef OPENSSL_NO_ENGINE
1857 # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
1858 # define eng_strx(x) #x
1859 # define eng_str(x) eng_strx(x)
1860 /* Use specific client engine automatically... ignore errors */
1863 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
1866 ENGINE_load_builtin_engines();
1867 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
1869 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
1875 * Default is to connect to non-RI servers. When RI is more widely
1876 * deployed might change this.
1878 ret
->options
|= SSL_OP_LEGACY_SERVER_CONNECT
;
1882 SSLerr(SSL_F_SSL_CTX_NEW
, ERR_R_MALLOC_FAILURE
);
1888 void SSL_CTX_free(SSL_CTX
*a
)
1895 i
= CRYPTO_add(&a
->references
, -1, CRYPTO_LOCK_SSL_CTX
);
1897 REF_PRINT("SSL_CTX", a
);
1903 fprintf(stderr
, "SSL_CTX_free, bad reference count\n");
1908 X509_VERIFY_PARAM_free(a
->param
);
1911 * Free internal session cache. However: the remove_cb() may reference
1912 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
1913 * after the sessions were flushed.
1914 * As the ex_data handling routines might also touch the session cache,
1915 * the most secure solution seems to be: empty (flush) the cache, then
1916 * free ex_data, then finally free the cache.
1917 * (See ticket [openssl.org #212].)
1919 if (a
->sessions
!= NULL
)
1920 SSL_CTX_flush_sessions(a
, 0);
1922 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, a
, &a
->ex_data
);
1923 lh_SSL_SESSION_free(a
->sessions
);
1924 X509_STORE_free(a
->cert_store
);
1925 sk_SSL_CIPHER_free(a
->cipher_list
);
1926 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
1927 ssl_cert_free(a
->cert
);
1928 sk_X509_NAME_pop_free(a
->client_CA
, X509_NAME_free
);
1929 sk_X509_pop_free(a
->extra_certs
, X509_free
);
1930 a
->comp_methods
= NULL
;
1931 #ifndef OPENSSL_NO_SRTP
1932 sk_SRTP_PROTECTION_PROFILE_free(a
->srtp_profiles
);
1934 #ifndef OPENSSL_NO_SRP
1935 SSL_CTX_SRP_CTX_free(a
);
1937 #ifndef OPENSSL_NO_ENGINE
1938 if (a
->client_cert_engine
)
1939 ENGINE_finish(a
->client_cert_engine
);
1942 #ifndef OPENSSL_NO_EC
1943 OPENSSL_free(a
->tlsext_ecpointformatlist
);
1944 OPENSSL_free(a
->tlsext_ellipticcurvelist
);
1946 OPENSSL_free(a
->alpn_client_proto_list
);
1951 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
1953 ctx
->default_passwd_callback
= cb
;
1956 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
, void *u
)
1958 ctx
->default_passwd_callback_userdata
= u
;
1961 void SSL_set_default_passwd_cb(SSL
*s
, pem_password_cb
*cb
)
1963 s
->default_passwd_callback
= cb
;
1966 void SSL_set_default_passwd_cb_userdata(SSL
*s
, void *u
)
1968 s
->default_passwd_callback_userdata
= u
;
1971 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
,
1972 int (*cb
) (X509_STORE_CTX
*, void *),
1975 ctx
->app_verify_callback
= cb
;
1976 ctx
->app_verify_arg
= arg
;
1979 void SSL_CTX_set_verify(SSL_CTX
*ctx
, int mode
,
1980 int (*cb
) (int, X509_STORE_CTX
*))
1982 ctx
->verify_mode
= mode
;
1983 ctx
->default_verify_callback
= cb
;
1986 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
, int depth
)
1988 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
1991 void SSL_CTX_set_cert_cb(SSL_CTX
*c
, int (*cb
) (SSL
*ssl
, void *arg
),
1994 ssl_cert_set_cert_cb(c
->cert
, cb
, arg
);
1997 void SSL_set_cert_cb(SSL
*s
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
1999 ssl_cert_set_cert_cb(s
->cert
, cb
, arg
);
2002 void ssl_set_masks(SSL
*s
, const SSL_CIPHER
*cipher
)
2006 uint32_t *pvalid
= s
->s3
->tmp
.valid_flags
;
2007 int rsa_enc
, rsa_sign
, dh_tmp
, dh_rsa
, dh_dsa
, dsa_sign
;
2008 unsigned long mask_k
, mask_a
;
2009 #ifndef OPENSSL_NO_EC
2010 int have_ecc_cert
, ecdsa_ok
;
2013 int pk_nid
= 0, md_nid
= 0;
2018 #ifndef OPENSSL_NO_DH
2019 dh_tmp
= (c
->dh_tmp
!= NULL
|| c
->dh_tmp_cb
!= NULL
|| c
->dh_tmp_auto
);
2024 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_ENC
]);
2025 rsa_enc
= pvalid
[SSL_PKEY_RSA_ENC
] & CERT_PKEY_VALID
;
2026 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_SIGN
]);
2027 rsa_sign
= pvalid
[SSL_PKEY_RSA_SIGN
] & CERT_PKEY_SIGN
;
2028 cpk
= &(c
->pkeys
[SSL_PKEY_DSA_SIGN
]);
2029 dsa_sign
= pvalid
[SSL_PKEY_DSA_SIGN
] & CERT_PKEY_SIGN
;
2030 cpk
= &(c
->pkeys
[SSL_PKEY_DH_RSA
]);
2031 dh_rsa
= pvalid
[SSL_PKEY_DH_RSA
] & CERT_PKEY_VALID
;
2032 cpk
= &(c
->pkeys
[SSL_PKEY_DH_DSA
]);
2033 dh_dsa
= pvalid
[SSL_PKEY_DH_DSA
] & CERT_PKEY_VALID
;
2034 cpk
= &(c
->pkeys
[SSL_PKEY_ECC
]);
2035 #ifndef OPENSSL_NO_EC
2036 have_ecc_cert
= pvalid
[SSL_PKEY_ECC
] & CERT_PKEY_VALID
;
2043 "dht=%d re=%d rs=%d ds=%d dhr=%d dhd=%d\n",
2044 dh_tmp
, rsa_enc
, rsa_sign
, dsa_sign
, dh_rsa
, dh_dsa
);
2047 #ifndef OPENSSL_NO_GOST
2048 cpk
= &(c
->pkeys
[SSL_PKEY_GOST12_512
]);
2049 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2050 mask_k
|= SSL_kGOST
;
2051 mask_a
|= SSL_aGOST12
;
2053 cpk
= &(c
->pkeys
[SSL_PKEY_GOST12_256
]);
2054 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2055 mask_k
|= SSL_kGOST
;
2056 mask_a
|= SSL_aGOST12
;
2058 cpk
= &(c
->pkeys
[SSL_PKEY_GOST01
]);
2059 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2060 mask_k
|= SSL_kGOST
;
2061 mask_a
|= SSL_aGOST01
;
2077 if (mask_k
& (SSL_kDHr
| SSL_kDHd
))
2080 if (rsa_enc
|| rsa_sign
) {
2088 mask_a
|= SSL_aNULL
;
2091 * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites
2092 * depending on the key usage extension.
2094 #ifndef OPENSSL_NO_EC
2095 if (have_ecc_cert
) {
2097 cpk
= &c
->pkeys
[SSL_PKEY_ECC
];
2099 ex_kusage
= X509_get_key_usage(x
);
2100 ecdh_ok
= ex_kusage
& X509v3_KU_KEY_AGREEMENT
;
2101 ecdsa_ok
= ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
;
2102 if (!(pvalid
[SSL_PKEY_ECC
] & CERT_PKEY_SIGN
))
2104 OBJ_find_sigid_algs(X509_get_signature_nid(x
), &md_nid
, &pk_nid
);
2107 if (pk_nid
== NID_rsaEncryption
|| pk_nid
== NID_rsa
) {
2108 mask_k
|= SSL_kECDHr
;
2109 mask_a
|= SSL_aECDH
;
2112 if (pk_nid
== NID_X9_62_id_ecPublicKey
) {
2113 mask_k
|= SSL_kECDHe
;
2114 mask_a
|= SSL_aECDH
;
2118 mask_a
|= SSL_aECDSA
;
2123 #ifndef OPENSSL_NO_EC
2124 mask_k
|= SSL_kECDHE
;
2127 #ifndef OPENSSL_NO_PSK
2130 if (mask_k
& SSL_kRSA
)
2131 mask_k
|= SSL_kRSAPSK
;
2132 if (mask_k
& SSL_kDHE
)
2133 mask_k
|= SSL_kDHEPSK
;
2134 if (mask_k
& SSL_kECDHE
)
2135 mask_k
|= SSL_kECDHEPSK
;
2138 s
->s3
->tmp
.mask_k
= mask_k
;
2139 s
->s3
->tmp
.mask_a
= mask_a
;
2142 #ifndef OPENSSL_NO_EC
2144 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL
*s
)
2146 unsigned long alg_k
, alg_a
;
2147 int md_nid
= 0, pk_nid
= 0;
2148 const SSL_CIPHER
*cs
= s
->s3
->tmp
.new_cipher
;
2149 uint32_t ex_kusage
= X509_get_key_usage(x
);
2151 alg_k
= cs
->algorithm_mkey
;
2152 alg_a
= cs
->algorithm_auth
;
2154 OBJ_find_sigid_algs(X509_get_signature_nid(x
), &md_nid
, &pk_nid
);
2156 if (alg_k
& SSL_kECDHe
|| alg_k
& SSL_kECDHr
) {
2157 /* key usage, if present, must allow key agreement */
2158 if (!(ex_kusage
& X509v3_KU_KEY_AGREEMENT
)) {
2159 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2160 SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT
);
2163 if ((alg_k
& SSL_kECDHe
) && TLS1_get_version(s
) < TLS1_2_VERSION
) {
2164 /* signature alg must be ECDSA */
2165 if (pk_nid
!= NID_X9_62_id_ecPublicKey
) {
2166 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2167 SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE
);
2171 if ((alg_k
& SSL_kECDHr
) && TLS1_get_version(s
) < TLS1_2_VERSION
) {
2172 /* signature alg must be RSA */
2174 if (pk_nid
!= NID_rsaEncryption
&& pk_nid
!= NID_rsa
) {
2175 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2176 SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE
);
2181 if (alg_a
& SSL_aECDSA
) {
2182 /* key usage, if present, must allow signing */
2183 if (!(ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
)) {
2184 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2185 SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
2190 return 1; /* all checks are ok */
2195 static int ssl_get_server_cert_index(const SSL
*s
)
2198 idx
= ssl_cipher_get_cert_index(s
->s3
->tmp
.new_cipher
);
2199 if (idx
== SSL_PKEY_RSA_ENC
&& !s
->cert
->pkeys
[SSL_PKEY_RSA_ENC
].x509
)
2200 idx
= SSL_PKEY_RSA_SIGN
;
2201 if (idx
== SSL_PKEY_GOST_EC
) {
2202 if (s
->cert
->pkeys
[SSL_PKEY_GOST12_512
].x509
)
2203 idx
= SSL_PKEY_GOST12_512
;
2204 else if (s
->cert
->pkeys
[SSL_PKEY_GOST12_256
].x509
)
2205 idx
= SSL_PKEY_GOST12_256
;
2206 else if (s
->cert
->pkeys
[SSL_PKEY_GOST01
].x509
)
2207 idx
= SSL_PKEY_GOST01
;
2212 SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX
, ERR_R_INTERNAL_ERROR
);
2216 CERT_PKEY
*ssl_get_server_send_pkey(SSL
*s
)
2222 if (!s
->s3
|| !s
->s3
->tmp
.new_cipher
)
2224 ssl_set_masks(s
, s
->s3
->tmp
.new_cipher
);
2226 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2228 * Broken protocol test: return last used certificate: which may mismatch
2231 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2235 i
= ssl_get_server_cert_index(s
);
2237 /* This may or may not be an error. */
2242 return &c
->pkeys
[i
];
2245 EVP_PKEY
*ssl_get_sign_pkey(SSL
*s
, const SSL_CIPHER
*cipher
,
2248 unsigned long alg_a
;
2252 alg_a
= cipher
->algorithm_auth
;
2255 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2257 * Broken protocol test: use last key: which may mismatch the one
2260 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2261 idx
= c
->key
- c
->pkeys
;
2265 if ((alg_a
& SSL_aDSS
) &&
2266 (c
->pkeys
[SSL_PKEY_DSA_SIGN
].privatekey
!= NULL
))
2267 idx
= SSL_PKEY_DSA_SIGN
;
2268 else if (alg_a
& SSL_aRSA
) {
2269 if (c
->pkeys
[SSL_PKEY_RSA_SIGN
].privatekey
!= NULL
)
2270 idx
= SSL_PKEY_RSA_SIGN
;
2271 else if (c
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
!= NULL
)
2272 idx
= SSL_PKEY_RSA_ENC
;
2273 } else if ((alg_a
& SSL_aECDSA
) &&
2274 (c
->pkeys
[SSL_PKEY_ECC
].privatekey
!= NULL
))
2277 SSLerr(SSL_F_SSL_GET_SIGN_PKEY
, ERR_R_INTERNAL_ERROR
);
2281 *pmd
= s
->s3
->tmp
.md
[idx
];
2282 return c
->pkeys
[idx
].privatekey
;
2285 int ssl_get_server_cert_serverinfo(SSL
*s
, const unsigned char **serverinfo
,
2286 size_t *serverinfo_length
)
2290 *serverinfo_length
= 0;
2293 i
= ssl_get_server_cert_index(s
);
2297 if (c
->pkeys
[i
].serverinfo
== NULL
)
2300 *serverinfo
= c
->pkeys
[i
].serverinfo
;
2301 *serverinfo_length
= c
->pkeys
[i
].serverinfo_length
;
2305 void ssl_update_cache(SSL
*s
, int mode
)
2310 * If the session_id_length is 0, we are not supposed to cache it, and it
2311 * would be rather hard to do anyway :-)
2313 if (s
->session
->session_id_length
== 0)
2316 i
= s
->session_ctx
->session_cache_mode
;
2317 if ((i
& mode
) && (!s
->hit
)
2318 && ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
)
2319 || SSL_CTX_add_session(s
->session_ctx
, s
->session
))
2320 && (s
->session_ctx
->new_session_cb
!= NULL
)) {
2321 CRYPTO_add(&s
->session
->references
, 1, CRYPTO_LOCK_SSL_SESSION
);
2322 if (!s
->session_ctx
->new_session_cb(s
, s
->session
))
2323 SSL_SESSION_free(s
->session
);
2326 /* auto flush every 255 connections */
2327 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) && ((i
& mode
) == mode
)) {
2328 if ((((mode
& SSL_SESS_CACHE_CLIENT
)
2329 ? s
->session_ctx
->stats
.sess_connect_good
2330 : s
->session_ctx
->stats
.sess_accept_good
) & 0xff) == 0xff) {
2331 SSL_CTX_flush_sessions(s
->session_ctx
, (unsigned long)time(NULL
));
2336 const SSL_METHOD
*SSL_CTX_get_ssl_method(SSL_CTX
*ctx
)
2341 const SSL_METHOD
*SSL_get_ssl_method(SSL
*s
)
2346 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
2351 if (s
->method
!= meth
) {
2352 if (s
->handshake_func
!= NULL
)
2353 conn
= (s
->handshake_func
== s
->method
->ssl_connect
);
2355 if (s
->method
->version
== meth
->version
)
2358 s
->method
->ssl_free(s
);
2360 ret
= s
->method
->ssl_new(s
);
2364 s
->handshake_func
= meth
->ssl_connect
;
2366 s
->handshake_func
= meth
->ssl_accept
;
2371 int SSL_get_error(const SSL
*s
, int i
)
2378 return (SSL_ERROR_NONE
);
2381 * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc,
2382 * where we do encode the error
2384 if ((l
= ERR_peek_error()) != 0) {
2385 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
2386 return (SSL_ERROR_SYSCALL
);
2388 return (SSL_ERROR_SSL
);
2391 if ((i
< 0) && SSL_want_read(s
)) {
2392 bio
= SSL_get_rbio(s
);
2393 if (BIO_should_read(bio
))
2394 return (SSL_ERROR_WANT_READ
);
2395 else if (BIO_should_write(bio
))
2397 * This one doesn't make too much sense ... We never try to write
2398 * to the rbio, and an application program where rbio and wbio
2399 * are separate couldn't even know what it should wait for.
2400 * However if we ever set s->rwstate incorrectly (so that we have
2401 * SSL_want_read(s) instead of SSL_want_write(s)) and rbio and
2402 * wbio *are* the same, this test works around that bug; so it
2403 * might be safer to keep it.
2405 return (SSL_ERROR_WANT_WRITE
);
2406 else if (BIO_should_io_special(bio
)) {
2407 reason
= BIO_get_retry_reason(bio
);
2408 if (reason
== BIO_RR_CONNECT
)
2409 return (SSL_ERROR_WANT_CONNECT
);
2410 else if (reason
== BIO_RR_ACCEPT
)
2411 return (SSL_ERROR_WANT_ACCEPT
);
2413 return (SSL_ERROR_SYSCALL
); /* unknown */
2417 if ((i
< 0) && SSL_want_write(s
)) {
2418 bio
= SSL_get_wbio(s
);
2419 if (BIO_should_write(bio
))
2420 return (SSL_ERROR_WANT_WRITE
);
2421 else if (BIO_should_read(bio
))
2423 * See above (SSL_want_read(s) with BIO_should_write(bio))
2425 return (SSL_ERROR_WANT_READ
);
2426 else if (BIO_should_io_special(bio
)) {
2427 reason
= BIO_get_retry_reason(bio
);
2428 if (reason
== BIO_RR_CONNECT
)
2429 return (SSL_ERROR_WANT_CONNECT
);
2430 else if (reason
== BIO_RR_ACCEPT
)
2431 return (SSL_ERROR_WANT_ACCEPT
);
2433 return (SSL_ERROR_SYSCALL
);
2436 if ((i
< 0) && SSL_want_x509_lookup(s
)) {
2437 return (SSL_ERROR_WANT_X509_LOOKUP
);
2439 if ((i
< 0) && SSL_want_async(s
)) {
2440 return SSL_ERROR_WANT_ASYNC
;
2444 if ((s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
2445 (s
->s3
->warn_alert
== SSL_AD_CLOSE_NOTIFY
))
2446 return (SSL_ERROR_ZERO_RETURN
);
2448 return (SSL_ERROR_SYSCALL
);
2451 static int ssl_do_handshake_intern(void *vargs
)
2453 struct ssl_async_args
*args
;
2456 args
= (struct ssl_async_args
*)vargs
;
2459 return s
->handshake_func(s
);
2462 int SSL_do_handshake(SSL
*s
)
2466 if (s
->handshake_func
== NULL
) {
2467 SSLerr(SSL_F_SSL_DO_HANDSHAKE
, SSL_R_CONNECTION_TYPE_NOT_SET
);
2471 s
->method
->ssl_renegotiate_check(s
);
2473 if (SSL_in_init(s
) || SSL_in_before(s
)) {
2474 if((s
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2475 struct ssl_async_args args
;
2479 ret
= ssl_start_async_job(s
, &args
, ssl_do_handshake_intern
);
2481 ret
= s
->handshake_func(s
);
2487 void SSL_set_accept_state(SSL
*s
)
2491 ossl_statem_clear(s
);
2492 s
->handshake_func
= s
->method
->ssl_accept
;
2496 void SSL_set_connect_state(SSL
*s
)
2500 ossl_statem_clear(s
);
2501 s
->handshake_func
= s
->method
->ssl_connect
;
2505 int ssl_undefined_function(SSL
*s
)
2507 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2511 int ssl_undefined_void_function(void)
2513 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION
,
2514 ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2518 int ssl_undefined_const_function(const SSL
*s
)
2523 SSL_METHOD
*ssl_bad_method(int ver
)
2525 SSLerr(SSL_F_SSL_BAD_METHOD
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2529 const char *SSL_get_version(const SSL
*s
)
2531 if (s
->version
== TLS1_2_VERSION
)
2533 else if (s
->version
== TLS1_1_VERSION
)
2535 else if (s
->version
== TLS1_VERSION
)
2537 else if (s
->version
== SSL3_VERSION
)
2539 else if (s
->version
== DTLS1_BAD_VER
)
2540 return ("DTLSv0.9");
2541 else if (s
->version
== DTLS1_VERSION
)
2543 else if (s
->version
== DTLS1_2_VERSION
)
2544 return ("DTLSv1.2");
2549 SSL
*SSL_dup(SSL
*s
)
2551 STACK_OF(X509_NAME
) *sk
;
2556 if ((ret
= SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
2559 ret
->version
= s
->version
;
2560 ret
->method
= s
->method
;
2562 if (s
->session
!= NULL
) {
2563 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2564 if (!SSL_copy_session_id(ret
, s
))
2568 * No session has been established yet, so we have to expect that
2569 * s->cert or ret->cert will be changed later -- they should not both
2570 * point to the same object, and thus we can't use
2571 * SSL_copy_session_id.
2574 ret
->method
->ssl_free(ret
);
2575 ret
->method
= s
->method
;
2576 ret
->method
->ssl_new(ret
);
2578 if (s
->cert
!= NULL
) {
2579 ssl_cert_free(ret
->cert
);
2580 ret
->cert
= ssl_cert_dup(s
->cert
);
2581 if (ret
->cert
== NULL
)
2585 if (!SSL_set_session_id_context(ret
, s
->sid_ctx
, s
->sid_ctx_length
))
2589 ret
->options
= s
->options
;
2590 ret
->mode
= s
->mode
;
2591 SSL_set_max_cert_list(ret
, SSL_get_max_cert_list(s
));
2592 SSL_set_read_ahead(ret
, SSL_get_read_ahead(s
));
2593 ret
->msg_callback
= s
->msg_callback
;
2594 ret
->msg_callback_arg
= s
->msg_callback_arg
;
2595 SSL_set_verify(ret
, SSL_get_verify_mode(s
), SSL_get_verify_callback(s
));
2596 SSL_set_verify_depth(ret
, SSL_get_verify_depth(s
));
2597 ret
->generate_session_id
= s
->generate_session_id
;
2599 SSL_set_info_callback(ret
, SSL_get_info_callback(s
));
2601 ret
->debug
= s
->debug
;
2603 /* copy app data, a little dangerous perhaps */
2604 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
2607 /* setup rbio, and wbio */
2608 if (s
->rbio
!= NULL
) {
2609 if (!BIO_dup_state(s
->rbio
, (char *)&ret
->rbio
))
2612 if (s
->wbio
!= NULL
) {
2613 if (s
->wbio
!= s
->rbio
) {
2614 if (!BIO_dup_state(s
->wbio
, (char *)&ret
->wbio
))
2617 ret
->wbio
= ret
->rbio
;
2619 ret
->rwstate
= s
->rwstate
;
2620 ret
->handshake_func
= s
->handshake_func
;
2621 ret
->server
= s
->server
;
2622 ret
->renegotiate
= s
->renegotiate
;
2623 ret
->new_session
= s
->new_session
;
2624 ret
->quiet_shutdown
= s
->quiet_shutdown
;
2625 ret
->shutdown
= s
->shutdown
;
2626 ret
->statem
= s
->statem
; /* SSL_dup does not really work at any state,
2628 RECORD_LAYER_dup(&ret
->rlayer
, &s
->rlayer
);
2629 ret
->init_num
= 0; /* would have to copy ret->init_buf,
2630 * ret->init_msg, ret->init_num,
2634 ret
->default_passwd_callback
= s
->default_passwd_callback
;
2635 ret
->default_passwd_callback_userdata
= s
->default_passwd_callback_userdata
;
2637 X509_VERIFY_PARAM_inherit(ret
->param
, s
->param
);
2639 /* dup the cipher_list and cipher_list_by_id stacks */
2640 if (s
->cipher_list
!= NULL
) {
2641 if ((ret
->cipher_list
= sk_SSL_CIPHER_dup(s
->cipher_list
)) == NULL
)
2644 if (s
->cipher_list_by_id
!= NULL
)
2645 if ((ret
->cipher_list_by_id
= sk_SSL_CIPHER_dup(s
->cipher_list_by_id
))
2649 /* Dup the client_CA list */
2650 if (s
->client_CA
!= NULL
) {
2651 if ((sk
= sk_X509_NAME_dup(s
->client_CA
)) == NULL
)
2653 ret
->client_CA
= sk
;
2654 for (i
= 0; i
< sk_X509_NAME_num(sk
); i
++) {
2655 xn
= sk_X509_NAME_value(sk
, i
);
2656 if (sk_X509_NAME_set(sk
, i
, X509_NAME_dup(xn
)) == NULL
) {
2669 void ssl_clear_cipher_ctx(SSL
*s
)
2671 if (s
->enc_read_ctx
!= NULL
) {
2672 EVP_CIPHER_CTX_cleanup(s
->enc_read_ctx
);
2673 OPENSSL_free(s
->enc_read_ctx
);
2674 s
->enc_read_ctx
= NULL
;
2676 if (s
->enc_write_ctx
!= NULL
) {
2677 EVP_CIPHER_CTX_cleanup(s
->enc_write_ctx
);
2678 OPENSSL_free(s
->enc_write_ctx
);
2679 s
->enc_write_ctx
= NULL
;
2681 #ifndef OPENSSL_NO_COMP
2682 COMP_CTX_free(s
->expand
);
2684 COMP_CTX_free(s
->compress
);
2689 X509
*SSL_get_certificate(const SSL
*s
)
2691 if (s
->cert
!= NULL
)
2692 return (s
->cert
->key
->x509
);
2697 EVP_PKEY
*SSL_get_privatekey(const SSL
*s
)
2699 if (s
->cert
!= NULL
)
2700 return (s
->cert
->key
->privatekey
);
2705 X509
*SSL_CTX_get0_certificate(const SSL_CTX
*ctx
)
2707 if (ctx
->cert
!= NULL
)
2708 return ctx
->cert
->key
->x509
;
2713 EVP_PKEY
*SSL_CTX_get0_privatekey(const SSL_CTX
*ctx
)
2715 if (ctx
->cert
!= NULL
)
2716 return ctx
->cert
->key
->privatekey
;
2721 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
2723 if ((s
->session
!= NULL
) && (s
->session
->cipher
!= NULL
))
2724 return (s
->session
->cipher
);
2728 const COMP_METHOD
*SSL_get_current_compression(SSL
*s
)
2730 #ifndef OPENSSL_NO_COMP
2731 return s
->compress
? COMP_CTX_get_method(s
->compress
) : NULL
;
2737 const COMP_METHOD
*SSL_get_current_expansion(SSL
*s
)
2739 #ifndef OPENSSL_NO_COMP
2740 return s
->expand
? COMP_CTX_get_method(s
->expand
) : NULL
;
2746 int ssl_init_wbio_buffer(SSL
*s
, int push
)
2750 if (s
->bbio
== NULL
) {
2751 bbio
= BIO_new(BIO_f_buffer());
2757 if (s
->bbio
== s
->wbio
)
2758 s
->wbio
= BIO_pop(s
->wbio
);
2760 (void)BIO_reset(bbio
);
2761 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2762 if (!BIO_set_read_buffer_size(bbio
, 1)) {
2763 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER
, ERR_R_BUF_LIB
);
2767 if (s
->wbio
!= bbio
)
2768 s
->wbio
= BIO_push(bbio
, s
->wbio
);
2770 if (s
->wbio
== bbio
)
2771 s
->wbio
= BIO_pop(bbio
);
2776 void ssl_free_wbio_buffer(SSL
*s
)
2778 /* callers ensure s is never null */
2779 if (s
->bbio
== NULL
)
2782 if (s
->bbio
== s
->wbio
) {
2783 /* remove buffering */
2784 s
->wbio
= BIO_pop(s
->wbio
);
2785 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids
2786 * adding one more preprocessor symbol */
2787 assert(s
->wbio
!= NULL
);
2794 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
, int mode
)
2796 ctx
->quiet_shutdown
= mode
;
2799 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
2801 return (ctx
->quiet_shutdown
);
2804 void SSL_set_quiet_shutdown(SSL
*s
, int mode
)
2806 s
->quiet_shutdown
= mode
;
2809 int SSL_get_quiet_shutdown(const SSL
*s
)
2811 return (s
->quiet_shutdown
);
2814 void SSL_set_shutdown(SSL
*s
, int mode
)
2819 int SSL_get_shutdown(const SSL
*s
)
2821 return (s
->shutdown
);
2824 int SSL_version(const SSL
*s
)
2826 return (s
->version
);
2829 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
2834 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
*ctx
)
2837 if (ssl
->ctx
== ctx
)
2840 ctx
= ssl
->initial_ctx
;
2841 new_cert
= ssl_cert_dup(ctx
->cert
);
2842 if (new_cert
== NULL
) {
2845 ssl_cert_free(ssl
->cert
);
2846 ssl
->cert
= new_cert
;
2849 * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH),
2850 * so setter APIs must prevent invalid lengths from entering the system.
2852 OPENSSL_assert(ssl
->sid_ctx_length
<= sizeof(ssl
->sid_ctx
));
2855 * If the session ID context matches that of the parent SSL_CTX,
2856 * inherit it from the new SSL_CTX as well. If however the context does
2857 * not match (i.e., it was set per-ssl with SSL_set_session_id_context),
2858 * leave it unchanged.
2860 if ((ssl
->ctx
!= NULL
) &&
2861 (ssl
->sid_ctx_length
== ssl
->ctx
->sid_ctx_length
) &&
2862 (memcmp(ssl
->sid_ctx
, ssl
->ctx
->sid_ctx
, ssl
->sid_ctx_length
) == 0)) {
2863 ssl
->sid_ctx_length
= ctx
->sid_ctx_length
;
2864 memcpy(&ssl
->sid_ctx
, &ctx
->sid_ctx
, sizeof(ssl
->sid_ctx
));
2867 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
2868 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
2874 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
2876 return (X509_STORE_set_default_paths(ctx
->cert_store
));
2879 int SSL_CTX_set_default_verify_dir(SSL_CTX
*ctx
)
2881 X509_LOOKUP
*lookup
;
2883 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_hash_dir());
2886 X509_LOOKUP_add_dir(lookup
, NULL
, X509_FILETYPE_DEFAULT
);
2888 /* Clear any errors if the default directory does not exist */
2894 int SSL_CTX_set_default_verify_file(SSL_CTX
*ctx
)
2896 X509_LOOKUP
*lookup
;
2898 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_file());
2902 X509_LOOKUP_load_file(lookup
, NULL
, X509_FILETYPE_DEFAULT
);
2904 /* Clear any errors if the default file does not exist */
2910 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
2913 return (X509_STORE_load_locations(ctx
->cert_store
, CAfile
, CApath
));
2916 void SSL_set_info_callback(SSL
*ssl
,
2917 void (*cb
) (const SSL
*ssl
, int type
, int val
))
2919 ssl
->info_callback
= cb
;
2923 * One compiler (Diab DCC) doesn't like argument names in returned function
2926 void (*SSL_get_info_callback(const SSL
*ssl
)) (const SSL
* /* ssl */ ,
2929 return ssl
->info_callback
;
2932 void SSL_set_verify_result(SSL
*ssl
, long arg
)
2934 ssl
->verify_result
= arg
;
2937 long SSL_get_verify_result(const SSL
*ssl
)
2939 return (ssl
->verify_result
);
2942 size_t SSL_get_client_random(const SSL
*ssl
, unsigned char *out
, size_t outlen
)
2945 return sizeof(ssl
->s3
->client_random
);
2946 if (outlen
> sizeof(ssl
->s3
->client_random
))
2947 outlen
= sizeof(ssl
->s3
->client_random
);
2948 memcpy(out
, ssl
->s3
->client_random
, outlen
);
2952 size_t SSL_get_server_random(const SSL
*ssl
, unsigned char *out
, size_t outlen
)
2955 return sizeof(ssl
->s3
->server_random
);
2956 if (outlen
> sizeof(ssl
->s3
->server_random
))
2957 outlen
= sizeof(ssl
->s3
->server_random
);
2958 memcpy(out
, ssl
->s3
->server_random
, outlen
);
2962 size_t SSL_SESSION_get_master_key(const SSL_SESSION
*session
,
2963 unsigned char *out
, size_t outlen
)
2965 if (session
->master_key_length
< 0) {
2966 /* Should never happen */
2970 return session
->master_key_length
;
2971 if (outlen
> (size_t)session
->master_key_length
)
2972 outlen
= session
->master_key_length
;
2973 memcpy(out
, session
->master_key
, outlen
);
2977 int SSL_set_ex_data(SSL
*s
, int idx
, void *arg
)
2979 return (CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
));
2982 void *SSL_get_ex_data(const SSL
*s
, int idx
)
2984 return (CRYPTO_get_ex_data(&s
->ex_data
, idx
));
2987 int SSL_CTX_set_ex_data(SSL_CTX
*s
, int idx
, void *arg
)
2989 return (CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
));
2992 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
, int idx
)
2994 return (CRYPTO_get_ex_data(&s
->ex_data
, idx
));
3002 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
3004 return (ctx
->cert_store
);
3007 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
3009 X509_STORE_free(ctx
->cert_store
);
3010 ctx
->cert_store
= store
;
3013 int SSL_want(const SSL
*s
)
3015 return (s
->rwstate
);
3019 * \brief Set the callback for generating temporary DH keys.
3020 * \param ctx the SSL context.
3021 * \param dh the callback
3024 #ifndef OPENSSL_NO_DH
3025 void SSL_CTX_set_tmp_dh_callback(SSL_CTX
*ctx
,
3026 DH
*(*dh
) (SSL
*ssl
, int is_export
,
3029 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_DH_CB
, (void (*)(void))dh
);
3032 void SSL_set_tmp_dh_callback(SSL
*ssl
, DH
*(*dh
) (SSL
*ssl
, int is_export
,
3035 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_DH_CB
, (void (*)(void))dh
);
3039 #ifndef OPENSSL_NO_PSK
3040 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
3042 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
3043 SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT
,
3044 SSL_R_DATA_LENGTH_TOO_LONG
);
3047 OPENSSL_free(ctx
->cert
->psk_identity_hint
);
3048 if (identity_hint
!= NULL
) {
3049 ctx
->cert
->psk_identity_hint
= BUF_strdup(identity_hint
);
3050 if (ctx
->cert
->psk_identity_hint
== NULL
)
3053 ctx
->cert
->psk_identity_hint
= NULL
;
3057 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
3062 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
3063 SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
3066 OPENSSL_free(s
->cert
->psk_identity_hint
);
3067 if (identity_hint
!= NULL
) {
3068 s
->cert
->psk_identity_hint
= BUF_strdup(identity_hint
);
3069 if (s
->cert
->psk_identity_hint
== NULL
)
3072 s
->cert
->psk_identity_hint
= NULL
;
3076 const char *SSL_get_psk_identity_hint(const SSL
*s
)
3078 if (s
== NULL
|| s
->session
== NULL
)
3080 return (s
->session
->psk_identity_hint
);
3083 const char *SSL_get_psk_identity(const SSL
*s
)
3085 if (s
== NULL
|| s
->session
== NULL
)
3087 return (s
->session
->psk_identity
);
3090 void SSL_set_psk_client_callback(SSL
*s
,
3091 unsigned int (*cb
) (SSL
*ssl
,
3100 s
->psk_client_callback
= cb
;
3103 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
,
3104 unsigned int (*cb
) (SSL
*ssl
,
3113 ctx
->psk_client_callback
= cb
;
3116 void SSL_set_psk_server_callback(SSL
*s
,
3117 unsigned int (*cb
) (SSL
*ssl
,
3118 const char *identity
,
3123 s
->psk_server_callback
= cb
;
3126 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
,
3127 unsigned int (*cb
) (SSL
*ssl
,
3128 const char *identity
,
3133 ctx
->psk_server_callback
= cb
;
3137 void SSL_CTX_set_msg_callback(SSL_CTX
*ctx
,
3138 void (*cb
) (int write_p
, int version
,
3139 int content_type
, const void *buf
,
3140 size_t len
, SSL
*ssl
, void *arg
))
3142 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3145 void SSL_set_msg_callback(SSL
*ssl
,
3146 void (*cb
) (int write_p
, int version
,
3147 int content_type
, const void *buf
,
3148 size_t len
, SSL
*ssl
, void *arg
))
3150 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3153 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX
*ctx
,
3154 int (*cb
) (SSL
*ssl
,
3158 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3159 (void (*)(void))cb
);
3162 void SSL_set_not_resumable_session_callback(SSL
*ssl
,
3163 int (*cb
) (SSL
*ssl
,
3164 int is_forward_secure
))
3166 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3167 (void (*)(void))cb
);
3171 * Allocates new EVP_MD_CTX and sets pointer to it into given pointer
3172 * vairable, freeing EVP_MD_CTX previously stored in that variable, if any.
3173 * If EVP_MD pointer is passed, initializes ctx with this md Returns newly
3177 EVP_MD_CTX
*ssl_replace_hash(EVP_MD_CTX
**hash
, const EVP_MD
*md
)
3179 ssl_clear_hash_ctx(hash
);
3180 *hash
= EVP_MD_CTX_new();
3181 if (*hash
== NULL
|| (md
&& EVP_DigestInit_ex(*hash
, md
, NULL
) <= 0)) {
3182 EVP_MD_CTX_free(*hash
);
3189 void ssl_clear_hash_ctx(EVP_MD_CTX
**hash
)
3193 EVP_MD_CTX_free(*hash
);
3197 /* Retrieve handshake hashes */
3198 int ssl_handshake_hash(SSL
*s
, unsigned char *out
, int outlen
)
3200 EVP_MD_CTX
*ctx
= NULL
;
3201 EVP_MD_CTX
*hdgst
= s
->s3
->handshake_dgst
;
3202 int ret
= EVP_MD_CTX_size(hdgst
);
3203 if (ret
< 0 || ret
> outlen
) {
3207 ctx
= EVP_MD_CTX_new();
3212 if (!EVP_MD_CTX_copy_ex(ctx
, hdgst
)
3213 || EVP_DigestFinal_ex(ctx
, out
, NULL
) <= 0)
3216 EVP_MD_CTX_free(ctx
);
3220 void SSL_set_debug(SSL
*s
, int debug
)
3225 int SSL_cache_hit(SSL
*s
)
3230 int SSL_is_server(SSL
*s
)
3235 void SSL_set_security_level(SSL
*s
, int level
)
3237 s
->cert
->sec_level
= level
;
3240 int SSL_get_security_level(const SSL
*s
)
3242 return s
->cert
->sec_level
;
3245 void SSL_set_security_callback(SSL
*s
,
3246 int (*cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3247 int bits
, int nid
, void *other
,
3250 s
->cert
->sec_cb
= cb
;
3253 int (*SSL_get_security_callback(const SSL
*s
)) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3255 void *other
, void *ex
) {
3256 return s
->cert
->sec_cb
;
3259 void SSL_set0_security_ex_data(SSL
*s
, void *ex
)
3261 s
->cert
->sec_ex
= ex
;
3264 void *SSL_get0_security_ex_data(const SSL
*s
)
3266 return s
->cert
->sec_ex
;
3269 void SSL_CTX_set_security_level(SSL_CTX
*ctx
, int level
)
3271 ctx
->cert
->sec_level
= level
;
3274 int SSL_CTX_get_security_level(const SSL_CTX
*ctx
)
3276 return ctx
->cert
->sec_level
;
3279 void SSL_CTX_set_security_callback(SSL_CTX
*ctx
,
3280 int (*cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3281 int bits
, int nid
, void *other
,
3284 ctx
->cert
->sec_cb
= cb
;
3287 int (*SSL_CTX_get_security_callback(const SSL_CTX
*ctx
)) (SSL
*s
,
3293 return ctx
->cert
->sec_cb
;
3296 void SSL_CTX_set0_security_ex_data(SSL_CTX
*ctx
, void *ex
)
3298 ctx
->cert
->sec_ex
= ex
;
3301 void *SSL_CTX_get0_security_ex_data(const SSL_CTX
*ctx
)
3303 return ctx
->cert
->sec_ex
;
3306 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
, ssl_cipher_id
);