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;
296 s->min_proto_version = ctx->min_proto_version;
297 s->max_proto_version = ctx->max_proto_version;
299 s->max_cert_list = ctx->max_cert_list;
303 * Earlier library versions used to copy the pointer to the CERT, not
304 * its contents; only when setting new parameters for the per-SSL
305 * copy, ssl_cert_new would be called (and the direct reference to
306 * the per-SSL_CTX settings would be lost, but those still were
307 * indirectly accessed for various purposes, and for that reason they
308 * used to be known as s->ctx->default_cert). Now we don't look at the
309 * SSL_CTX's CERT after having duplicated it once.
311 s->cert = ssl_cert_dup(ctx->cert);
315 RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead);
316 s->msg_callback = ctx->msg_callback;
317 s->msg_callback_arg = ctx->msg_callback_arg;
318 s->verify_mode = ctx->verify_mode;
319 s->not_resumable_session_cb = ctx->not_resumable_session_cb;
320 s->sid_ctx_length = ctx->sid_ctx_length;
321 OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);
322 memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx));
323 s->verify_callback = ctx->default_verify_callback;
324 s->generate_session_id = ctx->generate_session_id;
326 s->param = X509_VERIFY_PARAM_new();
327 if (s->param == NULL)
329 X509_VERIFY_PARAM_inherit(s->param, ctx->param);
330 s->quiet_shutdown = ctx->quiet_shutdown;
331 s->max_send_fragment = ctx->max_send_fragment;
333 CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);
335 s->tlsext_debug_cb = 0;
336 s->tlsext_debug_arg = NULL;
337 s->tlsext_ticket_expected = 0;
338 s->tlsext_status_type = -1;
339 s->tlsext_status_expected = 0;
340 s->tlsext_ocsp_ids = NULL;
341 s->tlsext_ocsp_exts = NULL;
342 s->tlsext_ocsp_resp = NULL;
343 s->tlsext_ocsp_resplen = -1;
344 CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);
345 s->initial_ctx = ctx;
346 # ifndef OPENSSL_NO_EC
347 if (ctx->tlsext_ecpointformatlist) {
348 s->tlsext_ecpointformatlist =
349 OPENSSL_memdup(ctx->tlsext_ecpointformatlist,
350 ctx->tlsext_ecpointformatlist_length);
351 if (!s->tlsext_ecpointformatlist)
353 s->tlsext_ecpointformatlist_length =
354 ctx->tlsext_ecpointformatlist_length;
356 if (ctx->tlsext_ellipticcurvelist) {
357 s->tlsext_ellipticcurvelist =
358 OPENSSL_memdup(ctx->tlsext_ellipticcurvelist,
359 ctx->tlsext_ellipticcurvelist_length);
360 if (!s->tlsext_ellipticcurvelist)
362 s->tlsext_ellipticcurvelist_length =
363 ctx->tlsext_ellipticcurvelist_length;
366 # ifndef OPENSSL_NO_NEXTPROTONEG
367 s->next_proto_negotiated = NULL;
370 if (s->ctx->alpn_client_proto_list) {
371 s->alpn_client_proto_list =
372 OPENSSL_malloc(s->ctx->alpn_client_proto_list_len);
373 if (s->alpn_client_proto_list == NULL)
375 memcpy(s->alpn_client_proto_list, s->ctx->alpn_client_proto_list,
376 s->ctx->alpn_client_proto_list_len);
377 s->alpn_client_proto_list_len = s->ctx->alpn_client_proto_list_len;
380 s->verify_result = X509_V_OK;
382 s->default_passwd_callback = ctx->default_passwd_callback;
383 s->default_passwd_callback_userdata = ctx->default_passwd_callback_userdata;
385 s->method = ctx->method;
387 if (!s->method->ssl_new(s))
390 s->server = (ctx->method->ssl_accept == ssl_undefined_function) ? 0 : 1;
395 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
397 #ifndef OPENSSL_NO_PSK
398 s->psk_client_callback = ctx->psk_client_callback;
399 s->psk_server_callback = ctx->psk_server_callback;
407 SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE);
411 int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx,
412 unsigned int sid_ctx_len)
414 if (sid_ctx_len > sizeof ctx->sid_ctx) {
415 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,
416 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
419 ctx->sid_ctx_length = sid_ctx_len;
420 memcpy(ctx->sid_ctx, sid_ctx, sid_ctx_len);
425 int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx,
426 unsigned int sid_ctx_len)
428 if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) {
429 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,
430 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
433 ssl->sid_ctx_length = sid_ctx_len;
434 memcpy(ssl->sid_ctx, sid_ctx, sid_ctx_len);
439 int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
441 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
442 ctx->generate_session_id = cb;
443 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
447 int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
449 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
450 ssl->generate_session_id = cb;
451 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
455 int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
459 * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
460 * we can "construct" a session to give us the desired check - ie. to
461 * find if there's a session in the hash table that would conflict with
462 * any new session built out of this id/id_len and the ssl_version in use
467 if (id_len > sizeof r.session_id)
470 r.ssl_version = ssl->version;
471 r.session_id_length = id_len;
472 memcpy(r.session_id, id, id_len);
474 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
475 p = lh_SSL_SESSION_retrieve(ssl->ctx->sessions, &r);
476 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
480 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
482 return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
485 int SSL_set_purpose(SSL *s, int purpose)
487 return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
490 int SSL_CTX_set_trust(SSL_CTX *s, int trust)
492 return X509_VERIFY_PARAM_set_trust(s->param, trust);
495 int SSL_set_trust(SSL *s, int trust)
497 return X509_VERIFY_PARAM_set_trust(s->param, trust);
500 int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm)
502 return X509_VERIFY_PARAM_set1(ctx->param, vpm);
505 int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm)
507 return X509_VERIFY_PARAM_set1(ssl->param, vpm);
510 X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx)
515 X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl)
520 void SSL_certs_clear(SSL *s)
522 ssl_cert_clear_certs(s->cert);
525 void SSL_free(SSL *s)
532 i = CRYPTO_add(&s->references, -1, CRYPTO_LOCK_SSL);
540 fprintf(stderr, "SSL_free, bad reference count\n");
545 X509_VERIFY_PARAM_free(s->param);
546 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
548 if (s->bbio != NULL) {
549 /* If the buffering BIO is in place, pop it off */
550 if (s->bbio == s->wbio) {
551 s->wbio = BIO_pop(s->wbio);
556 BIO_free_all(s->rbio);
557 if (s->wbio != s->rbio)
558 BIO_free_all(s->wbio);
560 BUF_MEM_free(s->init_buf);
562 /* add extra stuff */
563 sk_SSL_CIPHER_free(s->cipher_list);
564 sk_SSL_CIPHER_free(s->cipher_list_by_id);
566 /* Make the next call work :-) */
567 if (s->session != NULL) {
568 ssl_clear_bad_session(s);
569 SSL_SESSION_free(s->session);
574 ssl_cert_free(s->cert);
575 /* Free up if allocated */
577 OPENSSL_free(s->tlsext_hostname);
578 SSL_CTX_free(s->initial_ctx);
579 #ifndef OPENSSL_NO_EC
580 OPENSSL_free(s->tlsext_ecpointformatlist);
581 OPENSSL_free(s->tlsext_ellipticcurvelist);
582 #endif /* OPENSSL_NO_EC */
583 sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts, X509_EXTENSION_free);
584 sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free);
585 OPENSSL_free(s->tlsext_ocsp_resp);
586 OPENSSL_free(s->alpn_client_proto_list);
588 sk_X509_NAME_pop_free(s->client_CA, X509_NAME_free);
590 if (s->method != NULL)
591 s->method->ssl_free(s);
593 RECORD_LAYER_release(&s->rlayer);
595 SSL_CTX_free(s->ctx);
597 #if !defined(OPENSSL_NO_NEXTPROTONEG)
598 OPENSSL_free(s->next_proto_negotiated);
601 #ifndef OPENSSL_NO_SRTP
602 sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);
608 void SSL_set_rbio(SSL *s, BIO *rbio)
611 BIO_free_all(s->rbio);
615 void SSL_set_wbio(SSL *s, BIO *wbio)
618 * If the output buffering BIO is still in place, remove it
620 if (s->bbio != NULL) {
621 if (s->wbio == s->bbio) {
622 s->wbio = s->wbio->next_bio;
623 s->bbio->next_bio = NULL;
626 if (s->wbio != wbio && s->rbio != s->wbio)
627 BIO_free_all(s->wbio);
631 void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio)
633 SSL_set_wbio(s, wbio);
634 SSL_set_rbio(s, rbio);
637 BIO *SSL_get_rbio(const SSL *s)
642 BIO *SSL_get_wbio(const SSL *s)
647 int SSL_get_fd(const SSL *s)
649 return (SSL_get_rfd(s));
652 int SSL_get_rfd(const SSL *s)
658 r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR);
664 int SSL_get_wfd(const SSL *s)
670 r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR);
676 #ifndef OPENSSL_NO_SOCK
677 int SSL_set_fd(SSL *s, int fd)
682 bio = BIO_new(BIO_s_socket());
685 SSLerr(SSL_F_SSL_SET_FD, ERR_R_BUF_LIB);
688 BIO_set_fd(bio, fd, BIO_NOCLOSE);
689 SSL_set_bio(s, bio, bio);
695 int SSL_set_wfd(SSL *s, int fd)
700 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
701 || ((int)BIO_get_fd(s->rbio, NULL) != fd)) {
702 bio = BIO_new(BIO_s_socket());
705 SSLerr(SSL_F_SSL_SET_WFD, ERR_R_BUF_LIB);
708 BIO_set_fd(bio, fd, BIO_NOCLOSE);
709 SSL_set_bio(s, SSL_get_rbio(s), bio);
711 SSL_set_bio(s, SSL_get_rbio(s), SSL_get_rbio(s));
717 int SSL_set_rfd(SSL *s, int fd)
722 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
723 || ((int)BIO_get_fd(s->wbio, NULL) != fd)) {
724 bio = BIO_new(BIO_s_socket());
727 SSLerr(SSL_F_SSL_SET_RFD, ERR_R_BUF_LIB);
730 BIO_set_fd(bio, fd, BIO_NOCLOSE);
731 SSL_set_bio(s, bio, SSL_get_wbio(s));
733 SSL_set_bio(s, SSL_get_wbio(s), SSL_get_wbio(s));
740 /* return length of latest Finished message we sent, copy to 'buf' */
741 size_t SSL_get_finished(const SSL *s, void *buf, size_t count)
746 ret = s->s3->tmp.finish_md_len;
749 memcpy(buf, s->s3->tmp.finish_md, count);
754 /* return length of latest Finished message we expected, copy to 'buf' */
755 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count)
760 ret = s->s3->tmp.peer_finish_md_len;
763 memcpy(buf, s->s3->tmp.peer_finish_md, count);
768 int SSL_get_verify_mode(const SSL *s)
770 return (s->verify_mode);
773 int SSL_get_verify_depth(const SSL *s)
775 return X509_VERIFY_PARAM_get_depth(s->param);
778 int (*SSL_get_verify_callback(const SSL *s)) (int, X509_STORE_CTX *) {
779 return (s->verify_callback);
782 int SSL_CTX_get_verify_mode(const SSL_CTX *ctx)
784 return (ctx->verify_mode);
787 int SSL_CTX_get_verify_depth(const SSL_CTX *ctx)
789 return X509_VERIFY_PARAM_get_depth(ctx->param);
792 int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx)) (int, X509_STORE_CTX *) {
793 return (ctx->default_verify_callback);
796 void SSL_set_verify(SSL *s, int mode,
797 int (*callback) (int ok, X509_STORE_CTX *ctx))
799 s->verify_mode = mode;
800 if (callback != NULL)
801 s->verify_callback = callback;
804 void SSL_set_verify_depth(SSL *s, int depth)
806 X509_VERIFY_PARAM_set_depth(s->param, depth);
809 void SSL_set_read_ahead(SSL *s, int yes)
811 RECORD_LAYER_set_read_ahead(&s->rlayer, yes);
814 int SSL_get_read_ahead(const SSL *s)
816 return RECORD_LAYER_get_read_ahead(&s->rlayer);
819 int SSL_pending(const SSL *s)
822 * SSL_pending cannot work properly if read-ahead is enabled
823 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is
824 * impossible to fix since SSL_pending cannot report errors that may be
825 * observed while scanning the new data. (Note that SSL_pending() is
826 * often used as a boolean value, so we'd better not return -1.)
828 return (s->method->ssl_pending(s));
831 X509 *SSL_get_peer_certificate(const SSL *s)
835 if ((s == NULL) || (s->session == NULL))
838 r = s->session->peer;
848 STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s)
852 if ((s == NULL) || (s->session == NULL))
855 r = s->session->peer_chain;
858 * If we are a client, cert_chain includes the peer's own certificate; if
859 * we are a server, it does not.
866 * Now in theory, since the calling process own 't' it should be safe to
867 * modify. We need to be able to read f without being hassled
869 int SSL_copy_session_id(SSL *t, const SSL *f)
871 /* Do we need to to SSL locking? */
872 if (!SSL_set_session(t, SSL_get_session(f))) {
877 * what if we are setup for one protocol version but want to talk another
879 if (t->method != f->method) {
880 t->method->ssl_free(t); /* cleanup current */
881 t->method = f->method; /* change method */
882 t->method->ssl_new(t); /* setup new */
885 CRYPTO_add(&f->cert->references, 1, CRYPTO_LOCK_SSL_CERT);
886 ssl_cert_free(t->cert);
888 if (!SSL_set_session_id_context(t, f->sid_ctx, f->sid_ctx_length)) {
895 /* Fix this so it checks all the valid key/cert options */
896 int SSL_CTX_check_private_key(const SSL_CTX *ctx)
899 (ctx->cert->key->x509 == NULL)) {
900 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,
901 SSL_R_NO_CERTIFICATE_ASSIGNED);
904 if (ctx->cert->key->privatekey == NULL) {
905 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,
906 SSL_R_NO_PRIVATE_KEY_ASSIGNED);
909 return (X509_check_private_key
910 (ctx->cert->key->x509, ctx->cert->key->privatekey));
913 /* Fix this function so that it takes an optional type parameter */
914 int SSL_check_private_key(const SSL *ssl)
917 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY, ERR_R_PASSED_NULL_PARAMETER);
920 if (ssl->cert->key->x509 == NULL) {
921 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY, SSL_R_NO_CERTIFICATE_ASSIGNED);
924 if (ssl->cert->key->privatekey == NULL) {
925 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY, SSL_R_NO_PRIVATE_KEY_ASSIGNED);
928 return (X509_check_private_key(ssl->cert->key->x509,
929 ssl->cert->key->privatekey));
932 int SSL_waiting_for_async(SSL *s)
940 int SSL_get_async_wait_fd(SSL *s)
945 return ASYNC_get_wait_fd(s->job);
948 int SSL_accept(SSL *s)
950 if (s->handshake_func == 0) {
951 /* Not properly initialized yet */
952 SSL_set_accept_state(s);
955 return SSL_do_handshake(s);
958 int SSL_connect(SSL *s)
960 if (s->handshake_func == 0) {
961 /* Not properly initialized yet */
962 SSL_set_connect_state(s);
965 return SSL_do_handshake(s);
968 long SSL_get_default_timeout(const SSL *s)
970 return (s->method->get_timeout());
973 static int ssl_start_async_job(SSL *s, struct ssl_async_args *args,
974 int (*func)(void *)) {
976 switch(ASYNC_start_job(&s->job, &ret, func, args,
977 sizeof(struct ssl_async_args))) {
979 s->rwstate = SSL_NOTHING;
980 SSLerr(SSL_F_SSL_START_ASYNC_JOB, SSL_R_FAILED_TO_INIT_ASYNC);
983 s->rwstate = SSL_ASYNC_PAUSED;
989 s->rwstate = SSL_NOTHING;
990 SSLerr(SSL_F_SSL_START_ASYNC_JOB, ERR_R_INTERNAL_ERROR);
991 /* Shouldn't happen */
996 static int ssl_io_intern(void *vargs)
998 struct ssl_async_args *args;
1003 args = (struct ssl_async_args *)vargs;
1007 if (args->type == 1)
1008 return args->f.func1(s, buf, num);
1010 return args->f.func2(s, buf, num);
1013 int SSL_read(SSL *s, void *buf, int num)
1015 if (s->handshake_func == 0) {
1016 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
1020 if (s->shutdown & SSL_RECEIVED_SHUTDOWN) {
1021 s->rwstate = SSL_NOTHING;
1025 if((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) {
1026 struct ssl_async_args args;
1032 args.f.func1 = s->method->ssl_read;
1034 return ssl_start_async_job(s, &args, ssl_io_intern);
1036 return s->method->ssl_read(s, buf, num);
1040 int SSL_peek(SSL *s, void *buf, int num)
1042 if (s->handshake_func == 0) {
1043 SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED);
1047 if (s->shutdown & SSL_RECEIVED_SHUTDOWN) {
1050 if((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) {
1051 struct ssl_async_args args;
1057 args.f.func1 = s->method->ssl_peek;
1059 return ssl_start_async_job(s, &args, ssl_io_intern);
1061 return s->method->ssl_peek(s, buf, num);
1065 int SSL_write(SSL *s, const void *buf, int num)
1067 if (s->handshake_func == 0) {
1068 SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
1072 if (s->shutdown & SSL_SENT_SHUTDOWN) {
1073 s->rwstate = SSL_NOTHING;
1074 SSLerr(SSL_F_SSL_WRITE, SSL_R_PROTOCOL_IS_SHUTDOWN);
1078 if((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) {
1079 struct ssl_async_args args;
1082 args.buf = (void *)buf;
1085 args.f.func2 = s->method->ssl_write;
1087 return ssl_start_async_job(s, &args, ssl_io_intern);
1089 return s->method->ssl_write(s, buf, num);
1093 int SSL_shutdown(SSL *s)
1096 * Note that this function behaves differently from what one might
1097 * expect. Return values are 0 for no success (yet), 1 for success; but
1098 * calling it once is usually not enough, even if blocking I/O is used
1099 * (see ssl3_shutdown).
1102 if (s->handshake_func == 0) {
1103 SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
1107 if (!SSL_in_init(s))
1108 return (s->method->ssl_shutdown(s));
1113 int SSL_renegotiate(SSL *s)
1115 if (s->renegotiate == 0)
1120 return (s->method->ssl_renegotiate(s));
1123 int SSL_renegotiate_abbreviated(SSL *s)
1125 if (s->renegotiate == 0)
1130 return (s->method->ssl_renegotiate(s));
1133 int SSL_renegotiate_pending(SSL *s)
1136 * becomes true when negotiation is requested; false again once a
1137 * handshake has finished
1139 return (s->renegotiate != 0);
1142 long SSL_ctrl(SSL *s, int cmd, long larg, void *parg)
1147 case SSL_CTRL_GET_READ_AHEAD:
1148 return (RECORD_LAYER_get_read_ahead(&s->rlayer));
1149 case SSL_CTRL_SET_READ_AHEAD:
1150 l = RECORD_LAYER_get_read_ahead(&s->rlayer);
1151 RECORD_LAYER_set_read_ahead(&s->rlayer, larg);
1154 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
1155 s->msg_callback_arg = parg;
1158 case SSL_CTRL_OPTIONS:
1159 return (s->options |= larg);
1160 case SSL_CTRL_CLEAR_OPTIONS:
1161 return (s->options &= ~larg);
1163 return (s->mode |= larg);
1164 case SSL_CTRL_CLEAR_MODE:
1165 return (s->mode &= ~larg);
1166 case SSL_CTRL_GET_MAX_CERT_LIST:
1167 return (s->max_cert_list);
1168 case SSL_CTRL_SET_MAX_CERT_LIST:
1169 l = s->max_cert_list;
1170 s->max_cert_list = larg;
1172 case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
1173 if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
1175 s->max_send_fragment = larg;
1177 case SSL_CTRL_GET_RI_SUPPORT:
1179 return s->s3->send_connection_binding;
1182 case SSL_CTRL_CERT_FLAGS:
1183 return (s->cert->cert_flags |= larg);
1184 case SSL_CTRL_CLEAR_CERT_FLAGS:
1185 return (s->cert->cert_flags &= ~larg);
1187 case SSL_CTRL_GET_RAW_CIPHERLIST:
1189 if (s->s3->tmp.ciphers_raw == NULL)
1191 *(unsigned char **)parg = s->s3->tmp.ciphers_raw;
1192 return (int)s->s3->tmp.ciphers_rawlen;
1194 return TLS_CIPHER_LEN;
1196 case SSL_CTRL_GET_EXTMS_SUPPORT:
1197 if (!s->session || SSL_in_init(s) || ossl_statem_get_in_handshake(s))
1199 if (s->session->flags & SSL_SESS_FLAG_EXTMS)
1203 case SSL_CTRL_SET_MIN_PROTO_VERSION:
1204 s->min_proto_version = larg;
1206 case SSL_CTRL_SET_MAX_PROTO_VERSION:
1207 s->max_proto_version = larg;
1210 return (s->method->ssl_ctrl(s, cmd, larg, parg));
1214 long SSL_callback_ctrl(SSL *s, int cmd, void (*fp) (void))
1217 case SSL_CTRL_SET_MSG_CALLBACK:
1218 s->msg_callback = (void (*)
1219 (int write_p, int version, int content_type,
1220 const void *buf, size_t len, SSL *ssl,
1225 return (s->method->ssl_callback_ctrl(s, cmd, fp));
1229 LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx)
1231 return ctx->sessions;
1234 long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
1237 /* For some cases with ctx == NULL perform syntax checks */
1240 #ifndef OPENSSL_NO_EC
1241 case SSL_CTRL_SET_CURVES_LIST:
1242 return tls1_set_curves_list(NULL, NULL, parg);
1244 case SSL_CTRL_SET_SIGALGS_LIST:
1245 case SSL_CTRL_SET_CLIENT_SIGALGS_LIST:
1246 return tls1_set_sigalgs_list(NULL, parg, 0);
1253 case SSL_CTRL_GET_READ_AHEAD:
1254 return (ctx->read_ahead);
1255 case SSL_CTRL_SET_READ_AHEAD:
1256 l = ctx->read_ahead;
1257 ctx->read_ahead = larg;
1260 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
1261 ctx->msg_callback_arg = parg;
1264 case SSL_CTRL_GET_MAX_CERT_LIST:
1265 return (ctx->max_cert_list);
1266 case SSL_CTRL_SET_MAX_CERT_LIST:
1267 l = ctx->max_cert_list;
1268 ctx->max_cert_list = larg;
1271 case SSL_CTRL_SET_SESS_CACHE_SIZE:
1272 l = ctx->session_cache_size;
1273 ctx->session_cache_size = larg;
1275 case SSL_CTRL_GET_SESS_CACHE_SIZE:
1276 return (ctx->session_cache_size);
1277 case SSL_CTRL_SET_SESS_CACHE_MODE:
1278 l = ctx->session_cache_mode;
1279 ctx->session_cache_mode = larg;
1281 case SSL_CTRL_GET_SESS_CACHE_MODE:
1282 return (ctx->session_cache_mode);
1284 case SSL_CTRL_SESS_NUMBER:
1285 return (lh_SSL_SESSION_num_items(ctx->sessions));
1286 case SSL_CTRL_SESS_CONNECT:
1287 return (ctx->stats.sess_connect);
1288 case SSL_CTRL_SESS_CONNECT_GOOD:
1289 return (ctx->stats.sess_connect_good);
1290 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
1291 return (ctx->stats.sess_connect_renegotiate);
1292 case SSL_CTRL_SESS_ACCEPT:
1293 return (ctx->stats.sess_accept);
1294 case SSL_CTRL_SESS_ACCEPT_GOOD:
1295 return (ctx->stats.sess_accept_good);
1296 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
1297 return (ctx->stats.sess_accept_renegotiate);
1298 case SSL_CTRL_SESS_HIT:
1299 return (ctx->stats.sess_hit);
1300 case SSL_CTRL_SESS_CB_HIT:
1301 return (ctx->stats.sess_cb_hit);
1302 case SSL_CTRL_SESS_MISSES:
1303 return (ctx->stats.sess_miss);
1304 case SSL_CTRL_SESS_TIMEOUTS:
1305 return (ctx->stats.sess_timeout);
1306 case SSL_CTRL_SESS_CACHE_FULL:
1307 return (ctx->stats.sess_cache_full);
1308 case SSL_CTRL_OPTIONS:
1309 return (ctx->options |= larg);
1310 case SSL_CTRL_CLEAR_OPTIONS:
1311 return (ctx->options &= ~larg);
1313 return (ctx->mode |= larg);
1314 case SSL_CTRL_CLEAR_MODE:
1315 return (ctx->mode &= ~larg);
1316 case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
1317 if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
1319 ctx->max_send_fragment = larg;
1321 case SSL_CTRL_CERT_FLAGS:
1322 return (ctx->cert->cert_flags |= larg);
1323 case SSL_CTRL_CLEAR_CERT_FLAGS:
1324 return (ctx->cert->cert_flags &= ~larg);
1325 case SSL_CTRL_SET_MIN_PROTO_VERSION:
1326 ctx->min_proto_version = larg;
1328 case SSL_CTRL_SET_MAX_PROTO_VERSION:
1329 ctx->max_proto_version = larg;
1332 return (ctx->method->ssl_ctx_ctrl(ctx, cmd, larg, parg));
1336 long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void))
1339 case SSL_CTRL_SET_MSG_CALLBACK:
1340 ctx->msg_callback = (void (*)
1341 (int write_p, int version, int content_type,
1342 const void *buf, size_t len, SSL *ssl,
1347 return (ctx->method->ssl_ctx_callback_ctrl(ctx, cmd, fp));
1351 int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
1360 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap,
1361 const SSL_CIPHER *const *bp)
1363 if ((*ap)->id > (*bp)->id)
1365 if ((*ap)->id < (*bp)->id)
1370 /** return a STACK of the ciphers available for the SSL and in order of
1372 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s)
1375 if (s->cipher_list != NULL) {
1376 return (s->cipher_list);
1377 } else if ((s->ctx != NULL) && (s->ctx->cipher_list != NULL)) {
1378 return (s->ctx->cipher_list);
1384 STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s)
1386 if ((s == NULL) || (s->session == NULL) || !s->server)
1388 return s->session->ciphers;
1391 STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s)
1393 STACK_OF(SSL_CIPHER) *sk = NULL, *ciphers;
1395 ciphers = SSL_get_ciphers(s);
1398 ssl_set_client_disabled(s);
1399 for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) {
1400 const SSL_CIPHER *c = sk_SSL_CIPHER_value(ciphers, i);
1401 if (!ssl_cipher_disabled(s, c, SSL_SECOP_CIPHER_SUPPORTED)) {
1403 sk = sk_SSL_CIPHER_new_null();
1406 if (!sk_SSL_CIPHER_push(sk, c)) {
1407 sk_SSL_CIPHER_free(sk);
1415 /** return a STACK of the ciphers available for the SSL and in order of
1417 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
1420 if (s->cipher_list_by_id != NULL) {
1421 return (s->cipher_list_by_id);
1422 } else if ((s->ctx != NULL) && (s->ctx->cipher_list_by_id != NULL)) {
1423 return (s->ctx->cipher_list_by_id);
1429 /** The old interface to get the same thing as SSL_get_ciphers() */
1430 const char *SSL_get_cipher_list(const SSL *s, int n)
1433 STACK_OF(SSL_CIPHER) *sk;
1437 sk = SSL_get_ciphers(s);
1438 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
1440 c = sk_SSL_CIPHER_value(sk, n);
1446 /** specify the ciphers to be used by default by the SSL_CTX */
1447 int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
1449 STACK_OF(SSL_CIPHER) *sk;
1451 sk = ssl_create_cipher_list(ctx->method, &ctx->cipher_list,
1452 &ctx->cipher_list_by_id, str, ctx->cert);
1454 * ssl_create_cipher_list may return an empty stack if it was unable to
1455 * find a cipher matching the given rule string (for example if the rule
1456 * string specifies a cipher which has been disabled). This is not an
1457 * error as far as ssl_create_cipher_list is concerned, and hence
1458 * ctx->cipher_list and ctx->cipher_list_by_id has been updated.
1462 else if (sk_SSL_CIPHER_num(sk) == 0) {
1463 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
1469 /** specify the ciphers to be used by the SSL */
1470 int SSL_set_cipher_list(SSL *s, const char *str)
1472 STACK_OF(SSL_CIPHER) *sk;
1474 sk = ssl_create_cipher_list(s->ctx->method, &s->cipher_list,
1475 &s->cipher_list_by_id, str, s->cert);
1476 /* see comment in SSL_CTX_set_cipher_list */
1479 else if (sk_SSL_CIPHER_num(sk) == 0) {
1480 SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
1486 char *SSL_get_shared_ciphers(const SSL *s, char *buf, int len)
1489 STACK_OF(SSL_CIPHER) *sk;
1493 if ((s->session == NULL) || (s->session->ciphers == NULL) || (len < 2))
1497 sk = s->session->ciphers;
1499 if (sk_SSL_CIPHER_num(sk) == 0)
1502 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
1505 c = sk_SSL_CIPHER_value(sk, i);
1506 n = strlen(c->name);
1522 /** return a servername extension value if provided in Client Hello, or NULL.
1523 * So far, only host_name types are defined (RFC 3546).
1526 const char *SSL_get_servername(const SSL *s, const int type)
1528 if (type != TLSEXT_NAMETYPE_host_name)
1531 return s->session && !s->tlsext_hostname ?
1532 s->session->tlsext_hostname : s->tlsext_hostname;
1535 int SSL_get_servername_type(const SSL *s)
1538 && (!s->tlsext_hostname ? s->session->
1539 tlsext_hostname : s->tlsext_hostname))
1540 return TLSEXT_NAMETYPE_host_name;
1545 * SSL_select_next_proto implements the standard protocol selection. It is
1546 * expected that this function is called from the callback set by
1547 * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a
1548 * vector of 8-bit, length prefixed byte strings. The length byte itself is
1549 * not included in the length. A byte string of length 0 is invalid. No byte
1550 * string may be truncated. The current, but experimental algorithm for
1551 * selecting the protocol is: 1) If the server doesn't support NPN then this
1552 * is indicated to the callback. In this case, the client application has to
1553 * abort the connection or have a default application level protocol. 2) If
1554 * the server supports NPN, but advertises an empty list then the client
1555 * selects the first protcol in its list, but indicates via the API that this
1556 * fallback case was enacted. 3) Otherwise, the client finds the first
1557 * protocol in the server's list that it supports and selects this protocol.
1558 * This is because it's assumed that the server has better information about
1559 * which protocol a client should use. 4) If the client doesn't support any
1560 * of the server's advertised protocols, then this is treated the same as
1561 * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was
1562 * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
1564 int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
1565 const unsigned char *server,
1566 unsigned int server_len,
1567 const unsigned char *client,
1568 unsigned int client_len)
1571 const unsigned char *result;
1572 int status = OPENSSL_NPN_UNSUPPORTED;
1575 * For each protocol in server preference order, see if we support it.
1577 for (i = 0; i < server_len;) {
1578 for (j = 0; j < client_len;) {
1579 if (server[i] == client[j] &&
1580 memcmp(&server[i + 1], &client[j + 1], server[i]) == 0) {
1581 /* We found a match */
1582 result = &server[i];
1583 status = OPENSSL_NPN_NEGOTIATED;
1593 /* There's no overlap between our protocols and the server's list. */
1595 status = OPENSSL_NPN_NO_OVERLAP;
1598 *out = (unsigned char *)result + 1;
1599 *outlen = result[0];
1603 #ifndef OPENSSL_NO_NEXTPROTONEG
1605 * SSL_get0_next_proto_negotiated sets *data and *len to point to the
1606 * client's requested protocol for this connection and returns 0. If the
1607 * client didn't request any protocol, then *data is set to NULL. Note that
1608 * the client can request any protocol it chooses. The value returned from
1609 * this function need not be a member of the list of supported protocols
1610 * provided by the callback.
1612 void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
1615 *data = s->next_proto_negotiated;
1619 *len = s->next_proto_negotiated_len;
1624 * SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when
1625 * a TLS server needs a list of supported protocols for Next Protocol
1626 * Negotiation. The returned list must be in wire format. The list is
1627 * returned by setting |out| to point to it and |outlen| to its length. This
1628 * memory will not be modified, but one should assume that the SSL* keeps a
1629 * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it
1630 * wishes to advertise. Otherwise, no such extension will be included in the
1633 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *ctx,
1634 int (*cb) (SSL *ssl,
1637 unsigned int *outlen,
1638 void *arg), void *arg)
1640 ctx->next_protos_advertised_cb = cb;
1641 ctx->next_protos_advertised_cb_arg = arg;
1645 * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
1646 * client needs to select a protocol from the server's provided list. |out|
1647 * must be set to point to the selected protocol (which may be within |in|).
1648 * The length of the protocol name must be written into |outlen|. The
1649 * server's advertised protocols are provided in |in| and |inlen|. The
1650 * callback can assume that |in| is syntactically valid. The client must
1651 * select a protocol. It is fatal to the connection if this callback returns
1652 * a value other than SSL_TLSEXT_ERR_OK.
1654 void SSL_CTX_set_next_proto_select_cb(SSL_CTX *ctx,
1655 int (*cb) (SSL *s, unsigned char **out,
1656 unsigned char *outlen,
1657 const unsigned char *in,
1659 void *arg), void *arg)
1661 ctx->next_proto_select_cb = cb;
1662 ctx->next_proto_select_cb_arg = arg;
1667 * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
1668 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1669 * length-prefixed strings). Returns 0 on success.
1671 int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
1672 unsigned protos_len)
1674 OPENSSL_free(ctx->alpn_client_proto_list);
1675 ctx->alpn_client_proto_list = OPENSSL_malloc(protos_len);
1676 if (ctx->alpn_client_proto_list == NULL)
1678 memcpy(ctx->alpn_client_proto_list, protos, protos_len);
1679 ctx->alpn_client_proto_list_len = protos_len;
1685 * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
1686 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1687 * length-prefixed strings). Returns 0 on success.
1689 int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
1690 unsigned protos_len)
1692 OPENSSL_free(ssl->alpn_client_proto_list);
1693 ssl->alpn_client_proto_list = OPENSSL_malloc(protos_len);
1694 if (ssl->alpn_client_proto_list == NULL)
1696 memcpy(ssl->alpn_client_proto_list, protos, protos_len);
1697 ssl->alpn_client_proto_list_len = protos_len;
1703 * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is
1704 * called during ClientHello processing in order to select an ALPN protocol
1705 * from the client's list of offered protocols.
1707 void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
1708 int (*cb) (SSL *ssl,
1709 const unsigned char **out,
1710 unsigned char *outlen,
1711 const unsigned char *in,
1713 void *arg), void *arg)
1715 ctx->alpn_select_cb = cb;
1716 ctx->alpn_select_cb_arg = arg;
1720 * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from
1721 * |ssl|. On return it sets |*data| to point to |*len| bytes of protocol name
1722 * (not including the leading length-prefix byte). If the server didn't
1723 * respond with a negotiated protocol then |*len| will be zero.
1725 void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
1730 *data = ssl->s3->alpn_selected;
1734 *len = ssl->s3->alpn_selected_len;
1738 int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen,
1739 const char *label, size_t llen,
1740 const unsigned char *p, size_t plen,
1743 if (s->version < TLS1_VERSION)
1746 return s->method->ssl3_enc->export_keying_material(s, out, olen, label,
1751 static unsigned long ssl_session_hash(const SSL_SESSION *a)
1756 ((unsigned int)a->session_id[0]) |
1757 ((unsigned int)a->session_id[1] << 8L) |
1758 ((unsigned long)a->session_id[2] << 16L) |
1759 ((unsigned long)a->session_id[3] << 24L);
1764 * NB: If this function (or indeed the hash function which uses a sort of
1765 * coarser function than this one) is changed, ensure
1766 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on
1767 * being able to construct an SSL_SESSION that will collide with any existing
1768 * session with a matching session ID.
1770 static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b)
1772 if (a->ssl_version != b->ssl_version)
1774 if (a->session_id_length != b->session_id_length)
1776 return (memcmp(a->session_id, b->session_id, a->session_id_length));
1780 * These wrapper functions should remain rather than redeclaring
1781 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1782 * variable. The reason is that the functions aren't static, they're exposed
1785 static IMPLEMENT_LHASH_HASH_FN(ssl_session, SSL_SESSION)
1786 static IMPLEMENT_LHASH_COMP_FN(ssl_session, SSL_SESSION)
1788 SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
1790 SSL_CTX *ret = NULL;
1793 SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_NULL_SSL_METHOD_PASSED);
1797 if (FIPS_mode() && (meth->version < TLS1_VERSION)) {
1798 SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
1802 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
1803 SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
1806 ret = OPENSSL_zalloc(sizeof(*ret));
1811 ret->min_proto_version = 0;
1812 ret->max_proto_version = 0;
1813 ret->session_cache_mode = SSL_SESS_CACHE_SERVER;
1814 ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
1815 /* We take the system default. */
1816 ret->session_timeout = meth->get_timeout();
1817 ret->references = 1;
1818 ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT;
1819 ret->verify_mode = SSL_VERIFY_NONE;
1820 if ((ret->cert = ssl_cert_new()) == NULL)
1823 ret->sessions = lh_SSL_SESSION_new();
1824 if (ret->sessions == NULL)
1826 ret->cert_store = X509_STORE_new();
1827 if (ret->cert_store == NULL)
1830 if (!ssl_create_cipher_list(ret->method,
1831 &ret->cipher_list, &ret->cipher_list_by_id,
1832 SSL_DEFAULT_CIPHER_LIST, ret->cert)
1833 || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) {
1834 SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_LIBRARY_HAS_NO_CIPHERS);
1838 ret->param = X509_VERIFY_PARAM_new();
1839 if (ret->param == NULL)
1842 if ((ret->md5 = EVP_get_digestbyname("ssl3-md5")) == NULL) {
1843 SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1846 if ((ret->sha1 = EVP_get_digestbyname("ssl3-sha1")) == NULL) {
1847 SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1851 if ((ret->client_CA = sk_X509_NAME_new_null()) == NULL)
1854 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
1856 /* No compression for DTLS */
1857 if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS))
1858 ret->comp_methods = SSL_COMP_get_compression_methods();
1860 ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
1862 /* Setup RFC4507 ticket keys */
1863 if ((RAND_bytes(ret->tlsext_tick_key_name, 16) <= 0)
1864 || (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0)
1865 || (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0))
1866 ret->options |= SSL_OP_NO_TICKET;
1868 #ifndef OPENSSL_NO_SRP
1869 if (!SSL_CTX_SRP_CTX_init(ret))
1872 #ifndef OPENSSL_NO_ENGINE
1873 # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
1874 # define eng_strx(x) #x
1875 # define eng_str(x) eng_strx(x)
1876 /* Use specific client engine automatically... ignore errors */
1879 eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
1882 ENGINE_load_builtin_engines();
1883 eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
1885 if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng))
1891 * Default is to connect to non-RI servers. When RI is more widely
1892 * deployed might change this.
1894 ret->options |= SSL_OP_LEGACY_SERVER_CONNECT;
1898 SSLerr(SSL_F_SSL_CTX_NEW, ERR_R_MALLOC_FAILURE);
1904 void SSL_CTX_free(SSL_CTX *a)
1911 i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_SSL_CTX);
1913 REF_PRINT("SSL_CTX", a);
1919 fprintf(stderr, "SSL_CTX_free, bad reference count\n");
1924 X509_VERIFY_PARAM_free(a->param);
1927 * Free internal session cache. However: the remove_cb() may reference
1928 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
1929 * after the sessions were flushed.
1930 * As the ex_data handling routines might also touch the session cache,
1931 * the most secure solution seems to be: empty (flush) the cache, then
1932 * free ex_data, then finally free the cache.
1933 * (See ticket [openssl.org #212].)
1935 if (a->sessions != NULL)
1936 SSL_CTX_flush_sessions(a, 0);
1938 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
1939 lh_SSL_SESSION_free(a->sessions);
1940 X509_STORE_free(a->cert_store);
1941 sk_SSL_CIPHER_free(a->cipher_list);
1942 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1943 ssl_cert_free(a->cert);
1944 sk_X509_NAME_pop_free(a->client_CA, X509_NAME_free);
1945 sk_X509_pop_free(a->extra_certs, X509_free);
1946 a->comp_methods = NULL;
1947 #ifndef OPENSSL_NO_SRTP
1948 sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);
1950 #ifndef OPENSSL_NO_SRP
1951 SSL_CTX_SRP_CTX_free(a);
1953 #ifndef OPENSSL_NO_ENGINE
1954 if (a->client_cert_engine)
1955 ENGINE_finish(a->client_cert_engine);
1958 #ifndef OPENSSL_NO_EC
1959 OPENSSL_free(a->tlsext_ecpointformatlist);
1960 OPENSSL_free(a->tlsext_ellipticcurvelist);
1962 OPENSSL_free(a->alpn_client_proto_list);
1967 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
1969 ctx->default_passwd_callback = cb;
1972 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u)
1974 ctx->default_passwd_callback_userdata = u;
1977 void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb)
1979 s->default_passwd_callback = cb;
1982 void SSL_set_default_passwd_cb_userdata(SSL *s, void *u)
1984 s->default_passwd_callback_userdata = u;
1987 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
1988 int (*cb) (X509_STORE_CTX *, void *),
1991 ctx->app_verify_callback = cb;
1992 ctx->app_verify_arg = arg;
1995 void SSL_CTX_set_verify(SSL_CTX *ctx, int mode,
1996 int (*cb) (int, X509_STORE_CTX *))
1998 ctx->verify_mode = mode;
1999 ctx->default_verify_callback = cb;
2002 void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth)
2004 X509_VERIFY_PARAM_set_depth(ctx->param, depth);
2007 void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg),
2010 ssl_cert_set_cert_cb(c->cert, cb, arg);
2013 void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg)
2015 ssl_cert_set_cert_cb(s->cert, cb, arg);
2018 void ssl_set_masks(SSL *s, const SSL_CIPHER *cipher)
2020 #if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_GOST)
2024 uint32_t *pvalid = s->s3->tmp.valid_flags;
2025 int rsa_enc, rsa_sign, dh_tmp, dsa_sign;
2026 unsigned long mask_k, mask_a;
2027 #ifndef OPENSSL_NO_EC
2028 int have_ecc_cert, ecdsa_ok;
2031 int pk_nid = 0, md_nid = 0;
2036 #ifndef OPENSSL_NO_DH
2037 dh_tmp = (c->dh_tmp != NULL || c->dh_tmp_cb != NULL || c->dh_tmp_auto);
2042 rsa_enc = pvalid[SSL_PKEY_RSA_ENC] & CERT_PKEY_VALID;
2043 rsa_sign = pvalid[SSL_PKEY_RSA_SIGN] & CERT_PKEY_SIGN;
2044 dsa_sign = pvalid[SSL_PKEY_DSA_SIGN] & CERT_PKEY_SIGN;
2045 #ifndef OPENSSL_NO_EC
2046 have_ecc_cert = pvalid[SSL_PKEY_ECC] & CERT_PKEY_VALID;
2053 "dht=%d re=%d rs=%d ds=%d dhr=%d dhd=%d\n",
2054 dh_tmp, rsa_enc, rsa_sign, dsa_sign, dh_rsa, dh_dsa);
2057 #ifndef OPENSSL_NO_GOST
2058 cpk = &(c->pkeys[SSL_PKEY_GOST12_512]);
2059 if (cpk->x509 != NULL && cpk->privatekey != NULL) {
2060 mask_k |= SSL_kGOST;
2061 mask_a |= SSL_aGOST12;
2063 cpk = &(c->pkeys[SSL_PKEY_GOST12_256]);
2064 if (cpk->x509 != NULL && cpk->privatekey != NULL) {
2065 mask_k |= SSL_kGOST;
2066 mask_a |= SSL_aGOST12;
2068 cpk = &(c->pkeys[SSL_PKEY_GOST01]);
2069 if (cpk->x509 != NULL && cpk->privatekey != NULL) {
2070 mask_k |= SSL_kGOST;
2071 mask_a |= SSL_aGOST01;
2081 if (rsa_enc || rsa_sign) {
2089 mask_a |= SSL_aNULL;
2092 * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites
2093 * depending on the key usage extension.
2095 #ifndef OPENSSL_NO_EC
2096 if (have_ecc_cert) {
2098 cpk = &c->pkeys[SSL_PKEY_ECC];
2100 ex_kusage = X509_get_key_usage(x);
2101 ecdh_ok = ex_kusage & X509v3_KU_KEY_AGREEMENT;
2102 ecdsa_ok = ex_kusage & X509v3_KU_DIGITAL_SIGNATURE;
2103 if (!(pvalid[SSL_PKEY_ECC] & CERT_PKEY_SIGN))
2105 OBJ_find_sigid_algs(X509_get_signature_nid(x), &md_nid, &pk_nid);
2108 if (pk_nid == NID_rsaEncryption || pk_nid == NID_rsa) {
2109 mask_k |= SSL_kECDHr;
2110 mask_a |= SSL_aECDH;
2113 if (pk_nid == NID_X9_62_id_ecPublicKey) {
2114 mask_k |= SSL_kECDHe;
2115 mask_a |= SSL_aECDH;
2119 mask_a |= SSL_aECDSA;
2124 #ifndef OPENSSL_NO_EC
2125 mask_k |= SSL_kECDHE;
2128 #ifndef OPENSSL_NO_PSK
2131 if (mask_k & SSL_kRSA)
2132 mask_k |= SSL_kRSAPSK;
2133 if (mask_k & SSL_kDHE)
2134 mask_k |= SSL_kDHEPSK;
2135 if (mask_k & SSL_kECDHE)
2136 mask_k |= SSL_kECDHEPSK;
2139 s->s3->tmp.mask_k = mask_k;
2140 s->s3->tmp.mask_a = mask_a;
2143 #ifndef OPENSSL_NO_EC
2145 int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
2147 unsigned long alg_k, alg_a;
2148 int md_nid = 0, pk_nid = 0;
2149 const SSL_CIPHER *cs = s->s3->tmp.new_cipher;
2150 uint32_t ex_kusage = X509_get_key_usage(x);
2152 alg_k = cs->algorithm_mkey;
2153 alg_a = cs->algorithm_auth;
2155 OBJ_find_sigid_algs(X509_get_signature_nid(x), &md_nid, &pk_nid);
2157 if (alg_k & SSL_kECDHe || alg_k & SSL_kECDHr) {
2158 /* key usage, if present, must allow key agreement */
2159 if (!(ex_kusage & X509v3_KU_KEY_AGREEMENT)) {
2160 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG,
2161 SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT);
2164 if ((alg_k & SSL_kECDHe) && TLS1_get_version(s) < TLS1_2_VERSION) {
2165 /* signature alg must be ECDSA */
2166 if (pk_nid != NID_X9_62_id_ecPublicKey) {
2167 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG,
2168 SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE);
2172 if ((alg_k & SSL_kECDHr) && TLS1_get_version(s) < TLS1_2_VERSION) {
2173 /* signature alg must be RSA */
2175 if (pk_nid != NID_rsaEncryption && pk_nid != NID_rsa) {
2176 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG,
2177 SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE);
2182 if (alg_a & SSL_aECDSA) {
2183 /* key usage, if present, must allow signing */
2184 if (!(ex_kusage & X509v3_KU_DIGITAL_SIGNATURE)) {
2185 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG,
2186 SSL_R_ECC_CERT_NOT_FOR_SIGNING);
2191 return 1; /* all checks are ok */
2196 static int ssl_get_server_cert_index(const SSL *s)
2199 idx = ssl_cipher_get_cert_index(s->s3->tmp.new_cipher);
2200 if (idx == SSL_PKEY_RSA_ENC && !s->cert->pkeys[SSL_PKEY_RSA_ENC].x509)
2201 idx = SSL_PKEY_RSA_SIGN;
2202 if (idx == SSL_PKEY_GOST_EC) {
2203 if (s->cert->pkeys[SSL_PKEY_GOST12_512].x509)
2204 idx = SSL_PKEY_GOST12_512;
2205 else if (s->cert->pkeys[SSL_PKEY_GOST12_256].x509)
2206 idx = SSL_PKEY_GOST12_256;
2207 else if (s->cert->pkeys[SSL_PKEY_GOST01].x509)
2208 idx = SSL_PKEY_GOST01;
2213 SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX, ERR_R_INTERNAL_ERROR);
2217 CERT_PKEY *ssl_get_server_send_pkey(SSL *s)
2223 if (!s->s3 || !s->s3->tmp.new_cipher)
2225 ssl_set_masks(s, s->s3->tmp.new_cipher);
2227 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2229 * Broken protocol test: return last used certificate: which may mismatch
2232 if (c->cert_flags & SSL_CERT_FLAG_BROKEN_PROTOCOL)
2236 i = ssl_get_server_cert_index(s);
2238 /* This may or may not be an error. */
2243 return &c->pkeys[i];
2246 EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *cipher,
2249 unsigned long alg_a;
2253 alg_a = cipher->algorithm_auth;
2256 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2258 * Broken protocol test: use last key: which may mismatch the one
2261 if (c->cert_flags & SSL_CERT_FLAG_BROKEN_PROTOCOL)
2262 idx = c->key - c->pkeys;
2266 if ((alg_a & SSL_aDSS) &&
2267 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
2268 idx = SSL_PKEY_DSA_SIGN;
2269 else if (alg_a & SSL_aRSA) {
2270 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
2271 idx = SSL_PKEY_RSA_SIGN;
2272 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
2273 idx = SSL_PKEY_RSA_ENC;
2274 } else if ((alg_a & SSL_aECDSA) &&
2275 (c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
2278 SSLerr(SSL_F_SSL_GET_SIGN_PKEY, ERR_R_INTERNAL_ERROR);
2282 *pmd = s->s3->tmp.md[idx];
2283 return c->pkeys[idx].privatekey;
2286 int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo,
2287 size_t *serverinfo_length)
2291 *serverinfo_length = 0;
2294 i = ssl_get_server_cert_index(s);
2298 if (c->pkeys[i].serverinfo == NULL)
2301 *serverinfo = c->pkeys[i].serverinfo;
2302 *serverinfo_length = c->pkeys[i].serverinfo_length;
2306 void ssl_update_cache(SSL *s, int mode)
2311 * If the session_id_length is 0, we are not supposed to cache it, and it
2312 * would be rather hard to do anyway :-)
2314 if (s->session->session_id_length == 0)
2317 i = s->session_ctx->session_cache_mode;
2318 if ((i & mode) && (!s->hit)
2319 && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
2320 || SSL_CTX_add_session(s->session_ctx, s->session))
2321 && (s->session_ctx->new_session_cb != NULL)) {
2322 CRYPTO_add(&s->session->references, 1, CRYPTO_LOCK_SSL_SESSION);
2323 if (!s->session_ctx->new_session_cb(s, s->session))
2324 SSL_SESSION_free(s->session);
2327 /* auto flush every 255 connections */
2328 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && ((i & mode) == mode)) {
2329 if ((((mode & SSL_SESS_CACHE_CLIENT)
2330 ? s->session_ctx->stats.sess_connect_good
2331 : s->session_ctx->stats.sess_accept_good) & 0xff) == 0xff) {
2332 SSL_CTX_flush_sessions(s->session_ctx, (unsigned long)time(NULL));
2337 const SSL_METHOD *SSL_CTX_get_ssl_method(SSL_CTX *ctx)
2342 const SSL_METHOD *SSL_get_ssl_method(SSL *s)
2347 int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth)
2352 if (s->method != meth) {
2353 if (s->handshake_func != NULL)
2354 conn = (s->handshake_func == s->method->ssl_connect);
2356 if (s->method->version == meth->version)
2359 s->method->ssl_free(s);
2361 ret = s->method->ssl_new(s);
2365 s->handshake_func = meth->ssl_connect;
2367 s->handshake_func = meth->ssl_accept;
2372 int SSL_get_error(const SSL *s, int i)
2379 return (SSL_ERROR_NONE);
2382 * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc,
2383 * where we do encode the error
2385 if ((l = ERR_peek_error()) != 0) {
2386 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
2387 return (SSL_ERROR_SYSCALL);
2389 return (SSL_ERROR_SSL);
2392 if ((i < 0) && SSL_want_read(s)) {
2393 bio = SSL_get_rbio(s);
2394 if (BIO_should_read(bio))
2395 return (SSL_ERROR_WANT_READ);
2396 else if (BIO_should_write(bio))
2398 * This one doesn't make too much sense ... We never try to write
2399 * to the rbio, and an application program where rbio and wbio
2400 * are separate couldn't even know what it should wait for.
2401 * However if we ever set s->rwstate incorrectly (so that we have
2402 * SSL_want_read(s) instead of SSL_want_write(s)) and rbio and
2403 * wbio *are* the same, this test works around that bug; so it
2404 * might be safer to keep it.
2406 return (SSL_ERROR_WANT_WRITE);
2407 else if (BIO_should_io_special(bio)) {
2408 reason = BIO_get_retry_reason(bio);
2409 if (reason == BIO_RR_CONNECT)
2410 return (SSL_ERROR_WANT_CONNECT);
2411 else if (reason == BIO_RR_ACCEPT)
2412 return (SSL_ERROR_WANT_ACCEPT);
2414 return (SSL_ERROR_SYSCALL); /* unknown */
2418 if ((i < 0) && SSL_want_write(s)) {
2419 bio = SSL_get_wbio(s);
2420 if (BIO_should_write(bio))
2421 return (SSL_ERROR_WANT_WRITE);
2422 else if (BIO_should_read(bio))
2424 * See above (SSL_want_read(s) with BIO_should_write(bio))
2426 return (SSL_ERROR_WANT_READ);
2427 else if (BIO_should_io_special(bio)) {
2428 reason = BIO_get_retry_reason(bio);
2429 if (reason == BIO_RR_CONNECT)
2430 return (SSL_ERROR_WANT_CONNECT);
2431 else if (reason == BIO_RR_ACCEPT)
2432 return (SSL_ERROR_WANT_ACCEPT);
2434 return (SSL_ERROR_SYSCALL);
2437 if ((i < 0) && SSL_want_x509_lookup(s)) {
2438 return (SSL_ERROR_WANT_X509_LOOKUP);
2440 if ((i < 0) && SSL_want_async(s)) {
2441 return SSL_ERROR_WANT_ASYNC;
2445 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
2446 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
2447 return (SSL_ERROR_ZERO_RETURN);
2449 return (SSL_ERROR_SYSCALL);
2452 static int ssl_do_handshake_intern(void *vargs)
2454 struct ssl_async_args *args;
2457 args = (struct ssl_async_args *)vargs;
2460 return s->handshake_func(s);
2463 int SSL_do_handshake(SSL *s)
2467 if (s->handshake_func == NULL) {
2468 SSLerr(SSL_F_SSL_DO_HANDSHAKE, SSL_R_CONNECTION_TYPE_NOT_SET);
2472 s->method->ssl_renegotiate_check(s);
2474 if (SSL_in_init(s) || SSL_in_before(s)) {
2475 if((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) {
2476 struct ssl_async_args args;
2480 ret = ssl_start_async_job(s, &args, ssl_do_handshake_intern);
2482 ret = s->handshake_func(s);
2488 void SSL_set_accept_state(SSL *s)
2492 ossl_statem_clear(s);
2493 s->handshake_func = s->method->ssl_accept;
2497 void SSL_set_connect_state(SSL *s)
2501 ossl_statem_clear(s);
2502 s->handshake_func = s->method->ssl_connect;
2506 int ssl_undefined_function(SSL *s)
2508 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2512 int ssl_undefined_void_function(void)
2514 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,
2515 ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2519 int ssl_undefined_const_function(const SSL *s)
2524 SSL_METHOD *ssl_bad_method(int ver)
2526 SSLerr(SSL_F_SSL_BAD_METHOD, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2530 const char *SSL_get_version(const SSL *s)
2532 if (s->version == TLS1_2_VERSION)
2534 else if (s->version == TLS1_1_VERSION)
2536 else if (s->version == TLS1_VERSION)
2538 else if (s->version == SSL3_VERSION)
2540 else if (s->version == DTLS1_BAD_VER)
2541 return ("DTLSv0.9");
2542 else if (s->version == DTLS1_VERSION)
2544 else if (s->version == DTLS1_2_VERSION)
2545 return ("DTLSv1.2");
2550 SSL *SSL_dup(SSL *s)
2552 STACK_OF(X509_NAME) *sk;
2557 if ((ret = SSL_new(SSL_get_SSL_CTX(s))) == NULL)
2560 ret->version = s->version;
2561 ret->method = s->method;
2563 if (s->session != NULL) {
2564 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2565 if (!SSL_copy_session_id(ret, s))
2569 * No session has been established yet, so we have to expect that
2570 * s->cert or ret->cert will be changed later -- they should not both
2571 * point to the same object, and thus we can't use
2572 * SSL_copy_session_id.
2575 ret->method->ssl_free(ret);
2576 ret->method = s->method;
2577 ret->method->ssl_new(ret);
2579 if (s->cert != NULL) {
2580 ssl_cert_free(ret->cert);
2581 ret->cert = ssl_cert_dup(s->cert);
2582 if (ret->cert == NULL)
2586 if (!SSL_set_session_id_context(ret, s->sid_ctx, s->sid_ctx_length))
2590 ret->options = s->options;
2591 ret->mode = s->mode;
2592 SSL_set_max_cert_list(ret, SSL_get_max_cert_list(s));
2593 SSL_set_read_ahead(ret, SSL_get_read_ahead(s));
2594 ret->msg_callback = s->msg_callback;
2595 ret->msg_callback_arg = s->msg_callback_arg;
2596 SSL_set_verify(ret, SSL_get_verify_mode(s), SSL_get_verify_callback(s));
2597 SSL_set_verify_depth(ret, SSL_get_verify_depth(s));
2598 ret->generate_session_id = s->generate_session_id;
2600 SSL_set_info_callback(ret, SSL_get_info_callback(s));
2602 ret->debug = s->debug;
2604 /* copy app data, a little dangerous perhaps */
2605 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))
2608 /* setup rbio, and wbio */
2609 if (s->rbio != NULL) {
2610 if (!BIO_dup_state(s->rbio, (char *)&ret->rbio))
2613 if (s->wbio != NULL) {
2614 if (s->wbio != s->rbio) {
2615 if (!BIO_dup_state(s->wbio, (char *)&ret->wbio))
2618 ret->wbio = ret->rbio;
2620 ret->rwstate = s->rwstate;
2621 ret->handshake_func = s->handshake_func;
2622 ret->server = s->server;
2623 ret->renegotiate = s->renegotiate;
2624 ret->new_session = s->new_session;
2625 ret->quiet_shutdown = s->quiet_shutdown;
2626 ret->shutdown = s->shutdown;
2627 ret->statem = s->statem; /* SSL_dup does not really work at any state,
2629 RECORD_LAYER_dup(&ret->rlayer, &s->rlayer);
2630 ret->init_num = 0; /* would have to copy ret->init_buf,
2631 * ret->init_msg, ret->init_num,
2635 ret->default_passwd_callback = s->default_passwd_callback;
2636 ret->default_passwd_callback_userdata = s->default_passwd_callback_userdata;
2638 X509_VERIFY_PARAM_inherit(ret->param, s->param);
2640 /* dup the cipher_list and cipher_list_by_id stacks */
2641 if (s->cipher_list != NULL) {
2642 if ((ret->cipher_list = sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
2645 if (s->cipher_list_by_id != NULL)
2646 if ((ret->cipher_list_by_id = sk_SSL_CIPHER_dup(s->cipher_list_by_id))
2650 /* Dup the client_CA list */
2651 if (s->client_CA != NULL) {
2652 if ((sk = sk_X509_NAME_dup(s->client_CA)) == NULL)
2654 ret->client_CA = sk;
2655 for (i = 0; i < sk_X509_NAME_num(sk); i++) {
2656 xn = sk_X509_NAME_value(sk, i);
2657 if (sk_X509_NAME_set(sk, i, X509_NAME_dup(xn)) == NULL) {
2670 void ssl_clear_cipher_ctx(SSL *s)
2672 if (s->enc_read_ctx != NULL) {
2673 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
2674 OPENSSL_free(s->enc_read_ctx);
2675 s->enc_read_ctx = NULL;
2677 if (s->enc_write_ctx != NULL) {
2678 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
2679 OPENSSL_free(s->enc_write_ctx);
2680 s->enc_write_ctx = NULL;
2682 #ifndef OPENSSL_NO_COMP
2683 COMP_CTX_free(s->expand);
2685 COMP_CTX_free(s->compress);
2690 X509 *SSL_get_certificate(const SSL *s)
2692 if (s->cert != NULL)
2693 return (s->cert->key->x509);
2698 EVP_PKEY *SSL_get_privatekey(const SSL *s)
2700 if (s->cert != NULL)
2701 return (s->cert->key->privatekey);
2706 X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx)
2708 if (ctx->cert != NULL)
2709 return ctx->cert->key->x509;
2714 EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx)
2716 if (ctx->cert != NULL)
2717 return ctx->cert->key->privatekey;
2722 const SSL_CIPHER *SSL_get_current_cipher(const SSL *s)
2724 if ((s->session != NULL) && (s->session->cipher != NULL))
2725 return (s->session->cipher);
2729 const COMP_METHOD *SSL_get_current_compression(SSL *s)
2731 #ifndef OPENSSL_NO_COMP
2732 return s->compress ? COMP_CTX_get_method(s->compress) : NULL;
2738 const COMP_METHOD *SSL_get_current_expansion(SSL *s)
2740 #ifndef OPENSSL_NO_COMP
2741 return s->expand ? COMP_CTX_get_method(s->expand) : NULL;
2747 int ssl_init_wbio_buffer(SSL *s, int push)
2751 if (s->bbio == NULL) {
2752 bbio = BIO_new(BIO_f_buffer());
2758 if (s->bbio == s->wbio)
2759 s->wbio = BIO_pop(s->wbio);
2761 (void)BIO_reset(bbio);
2762 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2763 if (!BIO_set_read_buffer_size(bbio, 1)) {
2764 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER, ERR_R_BUF_LIB);
2768 if (s->wbio != bbio)
2769 s->wbio = BIO_push(bbio, s->wbio);
2771 if (s->wbio == bbio)
2772 s->wbio = BIO_pop(bbio);
2777 void ssl_free_wbio_buffer(SSL *s)
2779 /* callers ensure s is never null */
2780 if (s->bbio == NULL)
2783 if (s->bbio == s->wbio) {
2784 /* remove buffering */
2785 s->wbio = BIO_pop(s->wbio);
2786 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids
2787 * adding one more preprocessor symbol */
2788 assert(s->wbio != NULL);
2795 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode)
2797 ctx->quiet_shutdown = mode;
2800 int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx)
2802 return (ctx->quiet_shutdown);
2805 void SSL_set_quiet_shutdown(SSL *s, int mode)
2807 s->quiet_shutdown = mode;
2810 int SSL_get_quiet_shutdown(const SSL *s)
2812 return (s->quiet_shutdown);
2815 void SSL_set_shutdown(SSL *s, int mode)
2820 int SSL_get_shutdown(const SSL *s)
2822 return (s->shutdown);
2825 int SSL_version(const SSL *s)
2827 return (s->version);
2830 SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl)
2835 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx)
2838 if (ssl->ctx == ctx)
2841 ctx = ssl->initial_ctx;
2842 new_cert = ssl_cert_dup(ctx->cert);
2843 if (new_cert == NULL) {
2846 ssl_cert_free(ssl->cert);
2847 ssl->cert = new_cert;
2850 * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH),
2851 * so setter APIs must prevent invalid lengths from entering the system.
2853 OPENSSL_assert(ssl->sid_ctx_length <= sizeof(ssl->sid_ctx));
2856 * If the session ID context matches that of the parent SSL_CTX,
2857 * inherit it from the new SSL_CTX as well. If however the context does
2858 * not match (i.e., it was set per-ssl with SSL_set_session_id_context),
2859 * leave it unchanged.
2861 if ((ssl->ctx != NULL) &&
2862 (ssl->sid_ctx_length == ssl->ctx->sid_ctx_length) &&
2863 (memcmp(ssl->sid_ctx, ssl->ctx->sid_ctx, ssl->sid_ctx_length) == 0)) {
2864 ssl->sid_ctx_length = ctx->sid_ctx_length;
2865 memcpy(&ssl->sid_ctx, &ctx->sid_ctx, sizeof(ssl->sid_ctx));
2868 CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);
2869 SSL_CTX_free(ssl->ctx); /* decrement reference count */
2875 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
2877 return (X509_STORE_set_default_paths(ctx->cert_store));
2880 int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx)
2882 X509_LOOKUP *lookup;
2884 lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_hash_dir());
2887 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
2889 /* Clear any errors if the default directory does not exist */
2895 int SSL_CTX_set_default_verify_file(SSL_CTX *ctx)
2897 X509_LOOKUP *lookup;
2899 lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_file());
2903 X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
2905 /* Clear any errors if the default file does not exist */
2911 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
2914 return (X509_STORE_load_locations(ctx->cert_store, CAfile, CApath));
2917 void SSL_set_info_callback(SSL *ssl,
2918 void (*cb) (const SSL *ssl, int type, int val))
2920 ssl->info_callback = cb;
2924 * One compiler (Diab DCC) doesn't like argument names in returned function
2927 void (*SSL_get_info_callback(const SSL *ssl)) (const SSL * /* ssl */ ,
2930 return ssl->info_callback;
2933 void SSL_set_verify_result(SSL *ssl, long arg)
2935 ssl->verify_result = arg;
2938 long SSL_get_verify_result(const SSL *ssl)
2940 return (ssl->verify_result);
2943 size_t SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen)
2946 return sizeof(ssl->s3->client_random);
2947 if (outlen > sizeof(ssl->s3->client_random))
2948 outlen = sizeof(ssl->s3->client_random);
2949 memcpy(out, ssl->s3->client_random, outlen);
2953 size_t SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen)
2956 return sizeof(ssl->s3->server_random);
2957 if (outlen > sizeof(ssl->s3->server_random))
2958 outlen = sizeof(ssl->s3->server_random);
2959 memcpy(out, ssl->s3->server_random, outlen);
2963 size_t SSL_SESSION_get_master_key(const SSL_SESSION *session,
2964 unsigned char *out, size_t outlen)
2966 if (session->master_key_length < 0) {
2967 /* Should never happen */
2971 return session->master_key_length;
2972 if (outlen > (size_t)session->master_key_length)
2973 outlen = session->master_key_length;
2974 memcpy(out, session->master_key, outlen);
2978 int SSL_set_ex_data(SSL *s, int idx, void *arg)
2980 return (CRYPTO_set_ex_data(&s->ex_data, idx, arg));
2983 void *SSL_get_ex_data(const SSL *s, int idx)
2985 return (CRYPTO_get_ex_data(&s->ex_data, idx));
2988 int SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg)
2990 return (CRYPTO_set_ex_data(&s->ex_data, idx, arg));
2993 void *SSL_CTX_get_ex_data(const SSL_CTX *s, int idx)
2995 return (CRYPTO_get_ex_data(&s->ex_data, idx));
3003 X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx)
3005 return (ctx->cert_store);
3008 void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store)
3010 X509_STORE_free(ctx->cert_store);
3011 ctx->cert_store = store;
3014 int SSL_want(const SSL *s)
3016 return (s->rwstate);
3020 * \brief Set the callback for generating temporary DH keys.
3021 * \param ctx the SSL context.
3022 * \param dh the callback
3025 #ifndef OPENSSL_NO_DH
3026 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
3027 DH *(*dh) (SSL *ssl, int is_export,
3030 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh);
3033 void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*dh) (SSL *ssl, int is_export,
3036 SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh);
3040 #ifndef OPENSSL_NO_PSK
3041 int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint)
3043 if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) {
3044 SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT,
3045 SSL_R_DATA_LENGTH_TOO_LONG);
3048 OPENSSL_free(ctx->cert->psk_identity_hint);
3049 if (identity_hint != NULL) {
3050 ctx->cert->psk_identity_hint = OPENSSL_strdup(identity_hint);
3051 if (ctx->cert->psk_identity_hint == NULL)
3054 ctx->cert->psk_identity_hint = NULL;
3058 int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint)
3063 if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) {
3064 SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG);
3067 OPENSSL_free(s->cert->psk_identity_hint);
3068 if (identity_hint != NULL) {
3069 s->cert->psk_identity_hint = OPENSSL_strdup(identity_hint);
3070 if (s->cert->psk_identity_hint == NULL)
3073 s->cert->psk_identity_hint = NULL;
3077 const char *SSL_get_psk_identity_hint(const SSL *s)
3079 if (s == NULL || s->session == NULL)
3081 return (s->session->psk_identity_hint);
3084 const char *SSL_get_psk_identity(const SSL *s)
3086 if (s == NULL || s->session == NULL)
3088 return (s->session->psk_identity);
3091 void SSL_set_psk_client_callback(SSL *s,
3092 unsigned int (*cb) (SSL *ssl,
3101 s->psk_client_callback = cb;
3104 void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx,
3105 unsigned int (*cb) (SSL *ssl,
3114 ctx->psk_client_callback = cb;
3117 void SSL_set_psk_server_callback(SSL *s,
3118 unsigned int (*cb) (SSL *ssl,
3119 const char *identity,
3124 s->psk_server_callback = cb;
3127 void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx,
3128 unsigned int (*cb) (SSL *ssl,
3129 const char *identity,
3134 ctx->psk_server_callback = cb;
3138 void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
3139 void (*cb) (int write_p, int version,
3140 int content_type, const void *buf,
3141 size_t len, SSL *ssl, void *arg))
3143 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
3146 void SSL_set_msg_callback(SSL *ssl,
3147 void (*cb) (int write_p, int version,
3148 int content_type, const void *buf,
3149 size_t len, SSL *ssl, void *arg))
3151 SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
3154 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
3155 int (*cb) (SSL *ssl,
3159 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB,
3160 (void (*)(void))cb);
3163 void SSL_set_not_resumable_session_callback(SSL *ssl,
3164 int (*cb) (SSL *ssl,
3165 int is_forward_secure))
3167 SSL_callback_ctrl(ssl, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB,
3168 (void (*)(void))cb);
3172 * Allocates new EVP_MD_CTX and sets pointer to it into given pointer
3173 * vairable, freeing EVP_MD_CTX previously stored in that variable, if any.
3174 * If EVP_MD pointer is passed, initializes ctx with this md Returns newly
3178 EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md)
3180 ssl_clear_hash_ctx(hash);
3181 *hash = EVP_MD_CTX_new();
3182 if (*hash == NULL || (md && EVP_DigestInit_ex(*hash, md, NULL) <= 0)) {
3183 EVP_MD_CTX_free(*hash);
3190 void ssl_clear_hash_ctx(EVP_MD_CTX **hash)
3194 EVP_MD_CTX_free(*hash);
3198 /* Retrieve handshake hashes */
3199 int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen)
3201 EVP_MD_CTX *ctx = NULL;
3202 EVP_MD_CTX *hdgst = s->s3->handshake_dgst;
3203 int ret = EVP_MD_CTX_size(hdgst);
3204 if (ret < 0 || ret > outlen) {
3208 ctx = EVP_MD_CTX_new();
3213 if (!EVP_MD_CTX_copy_ex(ctx, hdgst)
3214 || EVP_DigestFinal_ex(ctx, out, NULL) <= 0)
3217 EVP_MD_CTX_free(ctx);
3221 void SSL_set_debug(SSL *s, int debug)
3226 int SSL_cache_hit(SSL *s)
3231 int SSL_is_server(SSL *s)
3236 void SSL_set_security_level(SSL *s, int level)
3238 s->cert->sec_level = level;
3241 int SSL_get_security_level(const SSL *s)
3243 return s->cert->sec_level;
3246 void SSL_set_security_callback(SSL *s,
3247 int (*cb) (SSL *s, SSL_CTX *ctx, int op,
3248 int bits, int nid, void *other,
3251 s->cert->sec_cb = cb;
3254 int (*SSL_get_security_callback(const SSL *s)) (SSL *s, SSL_CTX *ctx, int op,
3256 void *other, void *ex) {
3257 return s->cert->sec_cb;
3260 void SSL_set0_security_ex_data(SSL *s, void *ex)
3262 s->cert->sec_ex = ex;
3265 void *SSL_get0_security_ex_data(const SSL *s)
3267 return s->cert->sec_ex;
3270 void SSL_CTX_set_security_level(SSL_CTX *ctx, int level)
3272 ctx->cert->sec_level = level;
3275 int SSL_CTX_get_security_level(const SSL_CTX *ctx)
3277 return ctx->cert->sec_level;
3280 void SSL_CTX_set_security_callback(SSL_CTX *ctx,
3281 int (*cb) (SSL *s, SSL_CTX *ctx, int op,
3282 int bits, int nid, void *other,
3285 ctx->cert->sec_cb = cb;
3288 int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (SSL *s,
3294 return ctx->cert->sec_cb;
3297 void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex)
3299 ctx->cert->sec_ex = ex;
3302 void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx)
3304 return ctx->cert->sec_ex;
3307 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id);