1 /*! \file ssl/ssl_lib.c
2 * \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 <openssl/crypto.h>
150 #include "ssl_locl.h"
151 #include "kssl_lcl.h"
152 #include <openssl/objects.h>
153 #include <openssl/lhash.h>
154 #include <openssl/x509v3.h>
155 #include <openssl/rand.h>
156 #include <openssl/ocsp.h>
157 #ifndef OPENSSL_NO_DH
158 #include <openssl/dh.h>
160 #ifndef OPENSSL_NO_ENGINE
161 #include <openssl/engine.h>
164 const char *SSL_version_str=OPENSSL_VERSION_TEXT;
166 SSL3_ENC_METHOD ssl3_undef_enc_method={
167 /* evil casts, but these functions are only called if there's a library bug */
168 (int (*)(SSL *,int))ssl_undefined_function,
169 (int (*)(SSL *, unsigned char *, int))ssl_undefined_function,
170 ssl_undefined_function,
171 (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function,
172 (int (*)(SSL*, int))ssl_undefined_function,
173 (int (*)(SSL *, const char*, int, unsigned char *))ssl_undefined_function,
174 0, /* finish_mac_length */
175 (int (*)(SSL *, int, unsigned char *))ssl_undefined_function,
176 NULL, /* client_finished_label */
177 0, /* client_finished_label_len */
178 NULL, /* server_finished_label */
179 0, /* server_finished_label_len */
180 (int (*)(int))ssl_undefined_function,
181 (int (*)(SSL *, unsigned char *, size_t, const char *,
182 size_t, const unsigned char *, size_t,
183 int use_context)) ssl_undefined_function,
186 int SSL_clear(SSL *s)
189 if (s->method == NULL)
191 SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);
195 if (ssl_clear_bad_session(s))
197 SSL_SESSION_free(s->session);
205 #if 0 /* Disabled since version 1.10 of this file (early return not
206 * needed because SSL_clear is not called when doing renegotiation) */
207 /* This is set if we are doing dynamic renegotiation so keep
208 * the old cipher. It is sort of a SSL_clear_lite :-) */
209 if (s->renegotiate) return(1);
213 SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);
220 s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
222 s->version=s->method->version;
223 s->client_version=s->version;
224 s->rwstate=SSL_NOTHING;
225 s->rstate=SSL_ST_READ_HEADER;
227 s->read_ahead=s->ctx->read_ahead;
230 if (s->init_buf != NULL)
232 BUF_MEM_free(s->init_buf);
236 ssl_clear_cipher_ctx(s);
237 ssl_clear_hash_ctx(&s->read_hash);
238 ssl_clear_hash_ctx(&s->write_hash);
243 /* Check to see if we were changed into a different method, if
244 * so, revert back if we are not doing session-id reuse. */
245 if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method))
247 s->method->ssl_free(s);
248 s->method=s->ctx->method;
249 if (!s->method->ssl_new(s))
254 s->method->ssl_clear(s);
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 meth->version == SSL2_VERSION ? "SSLv2" : SSL_DEFAULT_CIPHER_LIST);
268 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
270 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
276 SSL *SSL_new(SSL_CTX *ctx)
282 SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
285 if (ctx->method == NULL)
287 SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
291 s=(SSL *)OPENSSL_malloc(sizeof(SSL));
292 if (s == NULL) goto err;
293 memset(s,0,sizeof(SSL));
295 #ifndef OPENSSL_NO_KRB5
296 s->kssl_ctx = kssl_ctx_new();
297 #endif /* OPENSSL_NO_KRB5 */
299 s->options=ctx->options;
301 s->max_cert_list=ctx->max_cert_list;
303 if (ctx->cert != NULL)
305 /* Earlier library versions used to copy the pointer to
306 * the CERT, not its contents; only when setting new
307 * parameters for the per-SSL copy, ssl_cert_new would be
308 * called (and the direct reference to the per-SSL_CTX
309 * settings would be lost, but those still were indirectly
310 * accessed for various purposes, and for that reason they
311 * used to be known as s->ctx->default_cert).
312 * Now we don't look at the SSL_CTX's CERT after having
313 * duplicated it once. */
315 s->cert = ssl_cert_dup(ctx->cert);
320 s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
322 s->read_ahead=ctx->read_ahead;
323 s->msg_callback=ctx->msg_callback;
324 s->msg_callback_arg=ctx->msg_callback_arg;
325 s->verify_mode=ctx->verify_mode;
326 s->not_resumable_session_cb=ctx->not_resumable_session_cb;
328 s->verify_depth=ctx->verify_depth;
330 s->sid_ctx_length=ctx->sid_ctx_length;
331 OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);
332 memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
333 s->verify_callback=ctx->default_verify_callback;
334 s->generate_session_id=ctx->generate_session_id;
336 s->param = X509_VERIFY_PARAM_new();
339 X509_VERIFY_PARAM_inherit(s->param, ctx->param);
341 s->purpose = ctx->purpose;
342 s->trust = ctx->trust;
344 s->quiet_shutdown=ctx->quiet_shutdown;
345 s->max_send_fragment = ctx->max_send_fragment;
347 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
349 #ifndef OPENSSL_NO_TLSEXT
350 s->tlsext_debug_cb = 0;
351 s->tlsext_debug_arg = NULL;
352 s->tlsext_ticket_expected = 0;
353 s->tlsext_status_type = -1;
354 s->tlsext_status_expected = 0;
355 s->tlsext_ocsp_ids = NULL;
356 s->tlsext_ocsp_exts = NULL;
357 s->tlsext_ocsp_resp = NULL;
358 s->tlsext_ocsp_resplen = -1;
359 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
361 # ifndef OPENSSL_NO_NEXTPROTONEG
362 s->next_proto_negotiated = NULL;
366 s->verify_result=X509_V_OK;
368 s->method=ctx->method;
370 if (!s->method->ssl_new(s))
374 s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
378 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
380 #ifndef OPENSSL_NO_PSK
381 s->psk_client_callback=ctx->psk_client_callback;
382 s->psk_server_callback=ctx->psk_server_callback;
390 ssl_cert_free(s->cert);
392 SSL_CTX_free(s->ctx); /* decrement reference count */
395 SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
399 int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
400 unsigned int sid_ctx_len)
402 if(sid_ctx_len > sizeof ctx->sid_ctx)
404 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
407 ctx->sid_ctx_length=sid_ctx_len;
408 memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
413 int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
414 unsigned int sid_ctx_len)
416 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
418 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
421 ssl->sid_ctx_length=sid_ctx_len;
422 memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
427 int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
429 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
430 ctx->generate_session_id = cb;
431 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
435 int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
437 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
438 ssl->generate_session_id = cb;
439 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
443 int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
446 /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
447 * we can "construct" a session to give us the desired check - ie. to
448 * find if there's a session in the hash table that would conflict with
449 * any new session built out of this id/id_len and the ssl_version in
450 * use by this SSL. */
453 if(id_len > sizeof r.session_id)
456 r.ssl_version = ssl->version;
457 r.session_id_length = id_len;
458 memcpy(r.session_id, id, id_len);
459 /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
460 * callback is calling us to check the uniqueness of a shorter ID, it
461 * must be compared as a padded-out ID because that is what it will be
462 * converted to when the callback has finished choosing it. */
463 if((r.ssl_version == SSL2_VERSION) &&
464 (id_len < SSL2_SSL_SESSION_ID_LENGTH))
466 memset(r.session_id + id_len, 0,
467 SSL2_SSL_SESSION_ID_LENGTH - id_len);
468 r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH;
471 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
472 p = lh_SSL_SESSION_retrieve(ssl->ctx->sessions, &r);
473 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
477 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
479 return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
482 int SSL_set_purpose(SSL *s, int purpose)
484 return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
487 int SSL_CTX_set_trust(SSL_CTX *s, int trust)
489 return X509_VERIFY_PARAM_set_trust(s->param, trust);
492 int SSL_set_trust(SSL *s, int trust)
494 return X509_VERIFY_PARAM_set_trust(s->param, trust);
497 int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm)
499 return X509_VERIFY_PARAM_set1(ctx->param, vpm);
502 int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm)
504 return X509_VERIFY_PARAM_set1(ssl->param, vpm);
507 void SSL_free(SSL *s)
514 i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
522 fprintf(stderr,"SSL_free, bad reference count\n");
528 X509_VERIFY_PARAM_free(s->param);
530 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
534 /* If the buffering BIO is in place, pop it off */
535 if (s->bbio == s->wbio)
537 s->wbio=BIO_pop(s->wbio);
543 BIO_free_all(s->rbio);
544 if ((s->wbio != NULL) && (s->wbio != s->rbio))
545 BIO_free_all(s->wbio);
547 if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
549 /* add extra stuff */
550 if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
551 if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
553 /* Make the next call work :-) */
554 if (s->session != NULL)
556 ssl_clear_bad_session(s);
557 SSL_SESSION_free(s->session);
560 ssl_clear_cipher_ctx(s);
561 ssl_clear_hash_ctx(&s->read_hash);
562 ssl_clear_hash_ctx(&s->write_hash);
564 if (s->cert != NULL) ssl_cert_free(s->cert);
565 /* Free up if allocated */
567 #ifndef OPENSSL_NO_TLSEXT
568 if (s->tlsext_hostname)
569 OPENSSL_free(s->tlsext_hostname);
570 if (s->initial_ctx) SSL_CTX_free(s->initial_ctx);
571 #ifndef OPENSSL_NO_EC
572 if (s->tlsext_ecpointformatlist) OPENSSL_free(s->tlsext_ecpointformatlist);
573 if (s->tlsext_ellipticcurvelist) OPENSSL_free(s->tlsext_ellipticcurvelist);
574 #endif /* OPENSSL_NO_EC */
575 if (s->tlsext_opaque_prf_input) OPENSSL_free(s->tlsext_opaque_prf_input);
576 if (s->tlsext_ocsp_exts)
577 sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts,
578 X509_EXTENSION_free);
579 if (s->tlsext_ocsp_ids)
580 sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free);
581 if (s->tlsext_ocsp_resp)
582 OPENSSL_free(s->tlsext_ocsp_resp);
585 if (s->client_CA != NULL)
586 sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
588 if (s->method != NULL) s->method->ssl_free(s);
590 if (s->ctx) SSL_CTX_free(s->ctx);
592 #ifndef OPENSSL_NO_KRB5
593 if (s->kssl_ctx != NULL)
594 kssl_ctx_free(s->kssl_ctx);
595 #endif /* OPENSSL_NO_KRB5 */
597 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
598 if (s->next_proto_negotiated)
599 OPENSSL_free(s->next_proto_negotiated);
602 if (s->srtp_profiles)
603 sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);
608 void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
610 /* If the output buffering BIO is still in place, remove it
614 if (s->wbio == s->bbio)
616 s->wbio=s->wbio->next_bio;
617 s->bbio->next_bio=NULL;
620 if ((s->rbio != NULL) && (s->rbio != rbio))
621 BIO_free_all(s->rbio);
622 if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
623 BIO_free_all(s->wbio);
628 BIO *SSL_get_rbio(const SSL *s)
631 BIO *SSL_get_wbio(const SSL *s)
634 int SSL_get_fd(const SSL *s)
636 return(SSL_get_rfd(s));
639 int SSL_get_rfd(const SSL *s)
645 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
651 int SSL_get_wfd(const SSL *s)
657 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
663 #ifndef OPENSSL_NO_SOCK
664 int SSL_set_fd(SSL *s,int fd)
669 bio=BIO_new(BIO_s_socket());
673 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
676 BIO_set_fd(bio,fd,BIO_NOCLOSE);
677 SSL_set_bio(s,bio,bio);
683 int SSL_set_wfd(SSL *s,int fd)
688 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
689 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
691 bio=BIO_new(BIO_s_socket());
694 { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
695 BIO_set_fd(bio,fd,BIO_NOCLOSE);
696 SSL_set_bio(s,SSL_get_rbio(s),bio);
699 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
705 int SSL_set_rfd(SSL *s,int fd)
710 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
711 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
713 bio=BIO_new(BIO_s_socket());
717 SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
720 BIO_set_fd(bio,fd,BIO_NOCLOSE);
721 SSL_set_bio(s,bio,SSL_get_wbio(s));
724 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
732 /* return length of latest Finished message we sent, copy to 'buf' */
733 size_t SSL_get_finished(const SSL *s, void *buf, size_t count)
739 ret = s->s3->tmp.finish_md_len;
742 memcpy(buf, s->s3->tmp.finish_md, count);
747 /* return length of latest Finished message we expected, copy to 'buf' */
748 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count)
754 ret = s->s3->tmp.peer_finish_md_len;
757 memcpy(buf, s->s3->tmp.peer_finish_md, count);
763 int SSL_get_verify_mode(const SSL *s)
765 return(s->verify_mode);
768 int SSL_get_verify_depth(const SSL *s)
770 return X509_VERIFY_PARAM_get_depth(s->param);
773 int (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *)
775 return(s->verify_callback);
778 int SSL_CTX_get_verify_mode(const SSL_CTX *ctx)
780 return(ctx->verify_mode);
783 int SSL_CTX_get_verify_depth(const SSL_CTX *ctx)
785 return X509_VERIFY_PARAM_get_depth(ctx->param);
788 int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *)
790 return(ctx->default_verify_callback);
793 void SSL_set_verify(SSL *s,int mode,
794 int (*callback)(int ok,X509_STORE_CTX *ctx))
797 if (callback != NULL)
798 s->verify_callback=callback;
801 void SSL_set_verify_depth(SSL *s,int depth)
803 X509_VERIFY_PARAM_set_depth(s->param, depth);
806 void SSL_set_read_ahead(SSL *s,int yes)
811 int SSL_get_read_ahead(const SSL *s)
813 return(s->read_ahead);
816 int SSL_pending(const SSL *s)
818 /* SSL_pending cannot work properly if read-ahead is enabled
819 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
820 * and it is impossible to fix since SSL_pending cannot report
821 * errors that may be observed while scanning the new data.
822 * (Note that SSL_pending() is often used as a boolean value,
823 * so we'd better not return -1.)
825 return(s->method->ssl_pending(s));
828 X509 *SSL_get_peer_certificate(const SSL *s)
832 if ((s == NULL) || (s->session == NULL))
837 if (r == NULL) return(r);
839 CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
844 STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s)
848 if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
851 r=s->session->sess_cert->cert_chain;
853 /* If we are a client, cert_chain includes the peer's own
854 * certificate; if we are a server, it does not. */
859 /* Now in theory, since the calling process own 't' it should be safe to
860 * modify. We need to be able to read f without being hassled */
861 void SSL_copy_session_id(SSL *t,const SSL *f)
865 /* Do we need to to SSL locking? */
866 SSL_set_session(t,SSL_get_session(f));
868 /* what if we are setup as SSLv2 but want to talk SSLv3 or
870 if (t->method != f->method)
872 t->method->ssl_free(t); /* cleanup current */
873 t->method=f->method; /* change method */
874 t->method->ssl_new(t); /* setup new */
880 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
885 if (tmp != NULL) ssl_cert_free(tmp);
886 SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
889 /* Fix this so it checks all the valid key/cert options */
890 int SSL_CTX_check_private_key(const SSL_CTX *ctx)
892 if ( (ctx == NULL) ||
893 (ctx->cert == NULL) ||
894 (ctx->cert->key->x509 == NULL))
896 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
899 if (ctx->cert->key->privatekey == NULL)
901 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
904 return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
907 /* Fix this function so that it takes an optional type parameter */
908 int SSL_check_private_key(const SSL *ssl)
912 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
915 if (ssl->cert == NULL)
917 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
920 if (ssl->cert->key->x509 == NULL)
922 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
925 if (ssl->cert->key->privatekey == NULL)
927 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
930 return(X509_check_private_key(ssl->cert->key->x509,
931 ssl->cert->key->privatekey));
934 int SSL_accept(SSL *s)
936 if (s->handshake_func == 0)
937 /* Not properly initialized yet */
938 SSL_set_accept_state(s);
940 return(s->method->ssl_accept(s));
943 int SSL_connect(SSL *s)
945 if (s->handshake_func == 0)
946 /* Not properly initialized yet */
947 SSL_set_connect_state(s);
949 return(s->method->ssl_connect(s));
952 long SSL_get_default_timeout(const SSL *s)
954 return(s->method->get_timeout());
957 int SSL_read(SSL *s,void *buf,int num)
959 if (s->handshake_func == 0)
961 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
965 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
967 s->rwstate=SSL_NOTHING;
970 return(s->method->ssl_read(s,buf,num));
973 int SSL_peek(SSL *s,void *buf,int num)
975 if (s->handshake_func == 0)
977 SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED);
981 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
985 return(s->method->ssl_peek(s,buf,num));
988 int SSL_write(SSL *s,const void *buf,int num)
990 if (s->handshake_func == 0)
992 SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
996 if (s->shutdown & SSL_SENT_SHUTDOWN)
998 s->rwstate=SSL_NOTHING;
999 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
1002 return(s->method->ssl_write(s,buf,num));
1005 int SSL_shutdown(SSL *s)
1007 /* Note that this function behaves differently from what one might
1008 * expect. Return values are 0 for no success (yet),
1009 * 1 for success; but calling it once is usually not enough,
1010 * even if blocking I/O is used (see ssl3_shutdown).
1013 if (s->handshake_func == 0)
1015 SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
1019 if ((s != NULL) && !SSL_in_init(s))
1020 return(s->method->ssl_shutdown(s));
1025 int SSL_renegotiate(SSL *s)
1027 if (s->renegotiate == 0)
1032 return(s->method->ssl_renegotiate(s));
1035 int SSL_renegotiate_abbreviated(SSL *s)
1037 if (s->renegotiate == 0)
1042 return(s->method->ssl_renegotiate(s));
1045 int SSL_renegotiate_pending(SSL *s)
1047 /* becomes true when negotiation is requested;
1048 * false again once a handshake has finished */
1049 return (s->renegotiate != 0);
1052 long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
1058 case SSL_CTRL_GET_READ_AHEAD:
1059 return(s->read_ahead);
1060 case SSL_CTRL_SET_READ_AHEAD:
1065 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
1066 s->msg_callback_arg = parg;
1069 case SSL_CTRL_OPTIONS:
1070 return(s->options|=larg);
1071 case SSL_CTRL_CLEAR_OPTIONS:
1072 return(s->options&=~larg);
1074 return(s->mode|=larg);
1075 case SSL_CTRL_CLEAR_MODE:
1076 return(s->mode &=~larg);
1077 case SSL_CTRL_GET_MAX_CERT_LIST:
1078 return(s->max_cert_list);
1079 case SSL_CTRL_SET_MAX_CERT_LIST:
1081 s->max_cert_list=larg;
1083 case SSL_CTRL_SET_MTU:
1084 #ifndef OPENSSL_NO_DTLS1
1085 if (larg < (long)dtls1_min_mtu())
1089 if (SSL_version(s) == DTLS1_VERSION ||
1090 SSL_version(s) == DTLS1_BAD_VER)
1096 case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
1097 if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
1099 s->max_send_fragment = larg;
1101 case SSL_CTRL_GET_RI_SUPPORT:
1103 return s->s3->send_connection_binding;
1106 return(s->method->ssl_ctrl(s,cmd,larg,parg));
1110 long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void))
1114 case SSL_CTRL_SET_MSG_CALLBACK:
1115 s->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
1119 return(s->method->ssl_callback_ctrl(s,cmd,fp));
1123 LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx)
1125 return ctx->sessions;
1128 long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg)
1134 case SSL_CTRL_GET_READ_AHEAD:
1135 return(ctx->read_ahead);
1136 case SSL_CTRL_SET_READ_AHEAD:
1138 ctx->read_ahead=larg;
1141 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
1142 ctx->msg_callback_arg = parg;
1145 case SSL_CTRL_GET_MAX_CERT_LIST:
1146 return(ctx->max_cert_list);
1147 case SSL_CTRL_SET_MAX_CERT_LIST:
1148 l=ctx->max_cert_list;
1149 ctx->max_cert_list=larg;
1152 case SSL_CTRL_SET_SESS_CACHE_SIZE:
1153 l=ctx->session_cache_size;
1154 ctx->session_cache_size=larg;
1156 case SSL_CTRL_GET_SESS_CACHE_SIZE:
1157 return(ctx->session_cache_size);
1158 case SSL_CTRL_SET_SESS_CACHE_MODE:
1159 l=ctx->session_cache_mode;
1160 ctx->session_cache_mode=larg;
1162 case SSL_CTRL_GET_SESS_CACHE_MODE:
1163 return(ctx->session_cache_mode);
1165 case SSL_CTRL_SESS_NUMBER:
1166 return(lh_SSL_SESSION_num_items(ctx->sessions));
1167 case SSL_CTRL_SESS_CONNECT:
1168 return(ctx->stats.sess_connect);
1169 case SSL_CTRL_SESS_CONNECT_GOOD:
1170 return(ctx->stats.sess_connect_good);
1171 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
1172 return(ctx->stats.sess_connect_renegotiate);
1173 case SSL_CTRL_SESS_ACCEPT:
1174 return(ctx->stats.sess_accept);
1175 case SSL_CTRL_SESS_ACCEPT_GOOD:
1176 return(ctx->stats.sess_accept_good);
1177 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
1178 return(ctx->stats.sess_accept_renegotiate);
1179 case SSL_CTRL_SESS_HIT:
1180 return(ctx->stats.sess_hit);
1181 case SSL_CTRL_SESS_CB_HIT:
1182 return(ctx->stats.sess_cb_hit);
1183 case SSL_CTRL_SESS_MISSES:
1184 return(ctx->stats.sess_miss);
1185 case SSL_CTRL_SESS_TIMEOUTS:
1186 return(ctx->stats.sess_timeout);
1187 case SSL_CTRL_SESS_CACHE_FULL:
1188 return(ctx->stats.sess_cache_full);
1189 case SSL_CTRL_OPTIONS:
1190 return(ctx->options|=larg);
1191 case SSL_CTRL_CLEAR_OPTIONS:
1192 return(ctx->options&=~larg);
1194 return(ctx->mode|=larg);
1195 case SSL_CTRL_CLEAR_MODE:
1196 return(ctx->mode&=~larg);
1197 case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
1198 if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
1200 ctx->max_send_fragment = larg;
1203 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
1207 long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
1211 case SSL_CTRL_SET_MSG_CALLBACK:
1212 ctx->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
1216 return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
1220 int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
1228 return((l > 0)?1:-1);
1231 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
1232 const SSL_CIPHER * const *bp)
1236 l=(*ap)->id-(*bp)->id;
1240 return((l > 0)?1:-1);
1243 /** return a STACK of the ciphers available for the SSL and in order of
1245 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s)
1249 if (s->cipher_list != NULL)
1251 return(s->cipher_list);
1253 else if ((s->ctx != NULL) &&
1254 (s->ctx->cipher_list != NULL))
1256 return(s->ctx->cipher_list);
1262 /** return a STACK of the ciphers available for the SSL and in order of
1264 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
1268 if (s->cipher_list_by_id != NULL)
1270 return(s->cipher_list_by_id);
1272 else if ((s->ctx != NULL) &&
1273 (s->ctx->cipher_list_by_id != NULL))
1275 return(s->ctx->cipher_list_by_id);
1281 /** The old interface to get the same thing as SSL_get_ciphers() */
1282 const char *SSL_get_cipher_list(const SSL *s,int n)
1285 STACK_OF(SSL_CIPHER) *sk;
1287 if (s == NULL) return(NULL);
1288 sk=SSL_get_ciphers(s);
1289 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
1291 c=sk_SSL_CIPHER_value(sk,n);
1292 if (c == NULL) return(NULL);
1296 /** specify the ciphers to be used by default by the SSL_CTX */
1297 int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
1299 STACK_OF(SSL_CIPHER) *sk;
1301 sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
1302 &ctx->cipher_list_by_id,str);
1303 /* ssl_create_cipher_list may return an empty stack if it
1304 * was unable to find a cipher matching the given rule string
1305 * (for example if the rule string specifies a cipher which
1306 * has been disabled). This is not an error as far as
1307 * ssl_create_cipher_list is concerned, and hence
1308 * ctx->cipher_list and ctx->cipher_list_by_id has been
1312 else if (sk_SSL_CIPHER_num(sk) == 0)
1314 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
1320 /** specify the ciphers to be used by the SSL */
1321 int SSL_set_cipher_list(SSL *s,const char *str)
1323 STACK_OF(SSL_CIPHER) *sk;
1325 sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
1326 &s->cipher_list_by_id,str);
1327 /* see comment in SSL_CTX_set_cipher_list */
1330 else if (sk_SSL_CIPHER_num(sk) == 0)
1332 SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
1338 /* works well for SSLv2, not so good for SSLv3 */
1339 char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len)
1342 STACK_OF(SSL_CIPHER) *sk;
1346 if ((s->session == NULL) || (s->session->ciphers == NULL) ||
1351 sk=s->session->ciphers;
1352 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1356 c=sk_SSL_CIPHER_value(sk,i);
1374 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
1375 int (*put_cb)(const SSL_CIPHER *, unsigned char *))
1380 #ifndef OPENSSL_NO_KRB5
1381 int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx);
1382 #endif /* OPENSSL_NO_KRB5 */
1384 if (sk == NULL) return(0);
1387 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1389 c=sk_SSL_CIPHER_value(sk,i);
1390 /* Skip TLS v1.2 only ciphersuites if lower than v1.2 */
1391 if ((c->algorithm_ssl & SSL_TLSV1_2) &&
1392 (TLS1_get_client_version(s) < TLS1_2_VERSION))
1394 #ifndef OPENSSL_NO_KRB5
1395 if (((c->algorithm_mkey & SSL_kKRB5) || (c->algorithm_auth & SSL_aKRB5)) &&
1398 #endif /* OPENSSL_NO_KRB5 */
1399 #ifndef OPENSSL_NO_PSK
1400 /* with PSK there must be client callback set */
1401 if (((c->algorithm_mkey & SSL_kPSK) || (c->algorithm_auth & SSL_aPSK)) &&
1402 s->psk_client_callback == NULL)
1404 #endif /* OPENSSL_NO_PSK */
1405 j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p);
1408 /* If p == q, no ciphers and caller indicates an error. Otherwise
1409 * add SCSV if not renegotiating.
1411 if (p != q && !s->renegotiate)
1413 static SSL_CIPHER scsv =
1415 0, NULL, SSL3_CK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0
1417 j = put_cb ? put_cb(&scsv,p) : ssl_put_cipher_by_char(s,&scsv,p);
1419 #ifdef OPENSSL_RI_DEBUG
1420 fprintf(stderr, "SCSV sent by client\n");
1427 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
1428 STACK_OF(SSL_CIPHER) **skp)
1430 const SSL_CIPHER *c;
1431 STACK_OF(SSL_CIPHER) *sk;
1434 s->s3->send_connection_binding = 0;
1436 n=ssl_put_cipher_by_char(s,NULL,NULL);
1439 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
1442 if ((skp == NULL) || (*skp == NULL))
1443 sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */
1447 sk_SSL_CIPHER_zero(sk);
1450 for (i=0; i<num; i+=n)
1452 /* Check for SCSV */
1453 if (s->s3 && (n != 3 || !p[0]) &&
1454 (p[n-2] == ((SSL3_CK_SCSV >> 8) & 0xff)) &&
1455 (p[n-1] == (SSL3_CK_SCSV & 0xff)))
1457 /* SCSV fatal if renegotiating */
1460 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING);
1461 ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE);
1464 s->s3->send_connection_binding = 1;
1466 #ifdef OPENSSL_RI_DEBUG
1467 fprintf(stderr, "SCSV received by server\n");
1472 c=ssl_get_cipher_by_char(s,p);
1476 if (!sk_SSL_CIPHER_push(sk,c))
1478 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
1488 if ((skp == NULL) || (*skp == NULL))
1489 sk_SSL_CIPHER_free(sk);
1494 #ifndef OPENSSL_NO_TLSEXT
1495 /** return a servername extension value if provided in Client Hello, or NULL.
1496 * So far, only host_name types are defined (RFC 3546).
1499 const char *SSL_get_servername(const SSL *s, const int type)
1501 if (type != TLSEXT_NAMETYPE_host_name)
1504 return s->session && !s->tlsext_hostname ?
1505 s->session->tlsext_hostname :
1509 int SSL_get_servername_type(const SSL *s)
1511 if (s->session && (!s->tlsext_hostname ? s->session->tlsext_hostname : s->tlsext_hostname))
1512 return TLSEXT_NAMETYPE_host_name;
1516 # ifndef OPENSSL_NO_NEXTPROTONEG
1517 /* SSL_select_next_proto implements the standard protocol selection. It is
1518 * expected that this function is called from the callback set by
1519 * SSL_CTX_set_next_proto_select_cb.
1521 * The protocol data is assumed to be a vector of 8-bit, length prefixed byte
1522 * strings. The length byte itself is not included in the length. A byte
1523 * string of length 0 is invalid. No byte string may be truncated.
1525 * The current, but experimental algorithm for selecting the protocol is:
1527 * 1) If the server doesn't support NPN then this is indicated to the
1528 * callback. In this case, the client application has to abort the connection
1529 * or have a default application level protocol.
1531 * 2) If the server supports NPN, but advertises an empty list then the
1532 * client selects the first protcol in its list, but indicates via the
1533 * API that this fallback case was enacted.
1535 * 3) Otherwise, the client finds the first protocol in the server's list
1536 * that it supports and selects this protocol. This is because it's
1537 * assumed that the server has better information about which protocol
1538 * a client should use.
1540 * 4) If the client doesn't support any of the server's advertised
1541 * protocols, then this is treated the same as case 2.
1544 * OPENSSL_NPN_NEGOTIATED if a common protocol was found, or
1545 * OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
1547 int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, const unsigned char *server, unsigned int server_len, const unsigned char *client, unsigned int client_len)
1550 const unsigned char *result;
1551 int status = OPENSSL_NPN_UNSUPPORTED;
1553 /* For each protocol in server preference order, see if we support it. */
1554 for (i = 0; i < server_len; )
1556 for (j = 0; j < client_len; )
1558 if (server[i] == client[j] &&
1559 memcmp(&server[i+1], &client[j+1], server[i]) == 0)
1561 /* We found a match */
1562 result = &server[i];
1563 status = OPENSSL_NPN_NEGOTIATED;
1573 /* There's no overlap between our protocols and the server's list. */
1575 status = OPENSSL_NPN_NO_OVERLAP;
1578 *out = (unsigned char *) result + 1;
1579 *outlen = result[0];
1583 /* SSL_get0_next_proto_negotiated sets *data and *len to point to the client's
1584 * requested protocol for this connection and returns 0. If the client didn't
1585 * request any protocol, then *data is set to NULL.
1587 * Note that the client can request any protocol it chooses. The value returned
1588 * from this function need not be a member of the list of supported protocols
1589 * provided by the callback.
1591 void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, unsigned *len)
1593 *data = s->next_proto_negotiated;
1597 *len = s->next_proto_negotiated_len;
1601 /* SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when a
1602 * TLS server needs a list of supported protocols for Next Protocol
1603 * Negotiation. The returned list must be in wire format. The list is returned
1604 * by setting |out| to point to it and |outlen| to its length. This memory will
1605 * not be modified, but one should assume that the SSL* keeps a reference to
1608 * The callback should return SSL_TLSEXT_ERR_OK if it wishes to advertise. Otherwise, no
1609 * such extension will be included in the ServerHello. */
1610 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *ctx, int (*cb) (SSL *ssl, const unsigned char **out, unsigned int *outlen, void *arg), void *arg)
1612 ctx->next_protos_advertised_cb = cb;
1613 ctx->next_protos_advertised_cb_arg = arg;
1616 /* SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
1617 * client needs to select a protocol from the server's provided list. |out|
1618 * must be set to point to the selected protocol (which may be within |in|).
1619 * The length of the protocol name must be written into |outlen|. The server's
1620 * advertised protocols are provided in |in| and |inlen|. The callback can
1621 * assume that |in| is syntactically valid.
1623 * The client must select a protocol. It is fatal to the connection if this
1624 * callback returns a value other than SSL_TLSEXT_ERR_OK.
1626 void SSL_CTX_set_next_proto_select_cb(SSL_CTX *ctx, int (*cb) (SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg), void *arg)
1628 ctx->next_proto_select_cb = cb;
1629 ctx->next_proto_select_cb_arg = arg;
1635 int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen,
1636 const char *label, size_t llen, const unsigned char *p, size_t plen,
1639 if (s->version < TLS1_VERSION)
1642 return s->method->ssl3_enc->export_keying_material(s, out, olen, label,
1647 static unsigned long ssl_session_hash(const SSL_SESSION *a)
1652 ((unsigned int) a->session_id[0] )|
1653 ((unsigned int) a->session_id[1]<< 8L)|
1654 ((unsigned long)a->session_id[2]<<16L)|
1655 ((unsigned long)a->session_id[3]<<24L);
1659 /* NB: If this function (or indeed the hash function which uses a sort of
1660 * coarser function than this one) is changed, ensure
1661 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
1662 * able to construct an SSL_SESSION that will collide with any existing session
1663 * with a matching session ID. */
1664 static int ssl_session_cmp(const SSL_SESSION *a,const SSL_SESSION *b)
1666 if (a->ssl_version != b->ssl_version)
1668 if (a->session_id_length != b->session_id_length)
1670 return(memcmp(a->session_id,b->session_id,a->session_id_length));
1673 /* These wrapper functions should remain rather than redeclaring
1674 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1675 * variable. The reason is that the functions aren't static, they're exposed via
1677 static IMPLEMENT_LHASH_HASH_FN(ssl_session, SSL_SESSION)
1678 static IMPLEMENT_LHASH_COMP_FN(ssl_session, SSL_SESSION)
1680 SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
1686 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
1691 if (FIPS_mode() && (meth->version < TLS1_VERSION))
1693 SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
1698 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1700 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
1703 ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
1707 memset(ret,0,sizeof(SSL_CTX));
1711 ret->cert_store=NULL;
1712 ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
1713 ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
1714 ret->session_cache_head=NULL;
1715 ret->session_cache_tail=NULL;
1717 /* We take the system default */
1718 ret->session_timeout=meth->get_timeout();
1720 ret->new_session_cb=0;
1721 ret->remove_session_cb=0;
1722 ret->get_session_cb=0;
1723 ret->generate_session_id=0;
1725 memset((char *)&ret->stats,0,sizeof(ret->stats));
1728 ret->quiet_shutdown=0;
1730 /* ret->cipher=NULL;*/
1731 /* ret->s2->challenge=NULL;
1732 ret->master_key=NULL;
1734 ret->s2->conn_id=NULL; */
1736 ret->info_callback=NULL;
1738 ret->app_verify_callback=0;
1739 ret->app_verify_arg=NULL;
1741 ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT;
1743 ret->msg_callback=0;
1744 ret->msg_callback_arg=NULL;
1745 ret->verify_mode=SSL_VERIFY_NONE;
1747 ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
1749 ret->sid_ctx_length=0;
1750 ret->default_verify_callback=NULL;
1751 if ((ret->cert=ssl_cert_new()) == NULL)
1754 ret->default_passwd_callback=0;
1755 ret->default_passwd_callback_userdata=NULL;
1756 ret->client_cert_cb=0;
1757 ret->app_gen_cookie_cb=0;
1758 ret->app_verify_cookie_cb=0;
1760 ret->sessions=lh_SSL_SESSION_new();
1761 if (ret->sessions == NULL) goto err;
1762 ret->cert_store=X509_STORE_new();
1763 if (ret->cert_store == NULL) goto err;
1765 ssl_create_cipher_list(ret->method,
1766 &ret->cipher_list,&ret->cipher_list_by_id,
1767 meth->version == SSL2_VERSION ? "SSLv2" : SSL_DEFAULT_CIPHER_LIST);
1768 if (ret->cipher_list == NULL
1769 || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
1771 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1775 ret->param = X509_VERIFY_PARAM_new();
1779 if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1781 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1784 if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1786 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1789 if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1791 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1795 if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1798 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
1800 ret->extra_certs=NULL;
1801 ret->comp_methods=SSL_COMP_get_compression_methods();
1803 ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
1805 #ifndef OPENSSL_NO_TLSEXT
1806 ret->tlsext_servername_callback = 0;
1807 ret->tlsext_servername_arg = NULL;
1808 /* Setup RFC4507 ticket keys */
1809 if ((RAND_pseudo_bytes(ret->tlsext_tick_key_name, 16) <= 0)
1810 || (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0)
1811 || (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0))
1812 ret->options |= SSL_OP_NO_TICKET;
1814 ret->tlsext_status_cb = 0;
1815 ret->tlsext_status_arg = NULL;
1817 # ifndef OPENSSL_NO_NEXTPROTONEG
1818 ret->next_protos_advertised_cb = 0;
1819 ret->next_proto_select_cb = 0;
1822 #ifndef OPENSSL_NO_PSK
1823 ret->psk_identity_hint=NULL;
1824 ret->psk_client_callback=NULL;
1825 ret->psk_server_callback=NULL;
1827 #ifndef OPENSSL_NO_SRP
1828 SSL_CTX_SRP_CTX_init(ret);
1830 #ifndef OPENSSL_NO_BUF_FREELISTS
1831 ret->freelist_max_len = SSL_MAX_BUF_FREELIST_LEN_DEFAULT;
1832 ret->rbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST));
1833 if (!ret->rbuf_freelist)
1835 ret->rbuf_freelist->chunklen = 0;
1836 ret->rbuf_freelist->len = 0;
1837 ret->rbuf_freelist->head = NULL;
1838 ret->wbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST));
1839 if (!ret->wbuf_freelist)
1841 OPENSSL_free(ret->rbuf_freelist);
1844 ret->wbuf_freelist->chunklen = 0;
1845 ret->wbuf_freelist->len = 0;
1846 ret->wbuf_freelist->head = NULL;
1848 #ifndef OPENSSL_NO_ENGINE
1849 ret->client_cert_engine = NULL;
1850 #ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
1851 #define eng_strx(x) #x
1852 #define eng_str(x) eng_strx(x)
1853 /* Use specific client engine automatically... ignore errors */
1856 eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
1860 ENGINE_load_builtin_engines();
1861 eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
1863 if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng))
1868 /* Default is to connect to non-RI servers. When RI is more widely
1869 * deployed might change this.
1871 ret->options |= SSL_OP_LEGACY_SERVER_CONNECT;
1875 SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1877 if (ret != NULL) SSL_CTX_free(ret);
1882 static void SSL_COMP_free(SSL_COMP *comp)
1883 { OPENSSL_free(comp); }
1886 #ifndef OPENSSL_NO_BUF_FREELISTS
1888 ssl_buf_freelist_free(SSL3_BUF_FREELIST *list)
1890 SSL3_BUF_FREELIST_ENTRY *ent, *next;
1891 for (ent = list->head; ent; ent = next)
1900 void SSL_CTX_free(SSL_CTX *a)
1904 if (a == NULL) return;
1906 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
1908 REF_PRINT("SSL_CTX",a);
1914 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
1920 X509_VERIFY_PARAM_free(a->param);
1923 * Free internal session cache. However: the remove_cb() may reference
1924 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
1925 * after the sessions were flushed.
1926 * As the ex_data handling routines might also touch the session cache,
1927 * the most secure solution seems to be: empty (flush) the cache, then
1928 * free ex_data, then finally free the cache.
1929 * (See ticket [openssl.org #212].)
1931 if (a->sessions != NULL)
1932 SSL_CTX_flush_sessions(a,0);
1934 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
1936 if (a->sessions != NULL)
1937 lh_SSL_SESSION_free(a->sessions);
1939 if (a->cert_store != NULL)
1940 X509_STORE_free(a->cert_store);
1941 if (a->cipher_list != NULL)
1942 sk_SSL_CIPHER_free(a->cipher_list);
1943 if (a->cipher_list_by_id != NULL)
1944 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1945 if (a->cert != NULL)
1946 ssl_cert_free(a->cert);
1947 if (a->client_CA != NULL)
1948 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
1949 if (a->extra_certs != NULL)
1950 sk_X509_pop_free(a->extra_certs,X509_free);
1951 #if 0 /* This should never be done, since it removes a global database */
1952 if (a->comp_methods != NULL)
1953 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
1955 a->comp_methods = NULL;
1958 if (a->srtp_profiles)
1959 sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);
1961 #ifndef OPENSSL_NO_PSK
1962 if (a->psk_identity_hint)
1963 OPENSSL_free(a->psk_identity_hint);
1965 #ifndef OPENSSL_NO_SRP
1966 SSL_CTX_SRP_CTX_free(a);
1968 #ifndef OPENSSL_NO_ENGINE
1969 if (a->client_cert_engine)
1970 ENGINE_finish(a->client_cert_engine);
1973 #ifndef OPENSSL_NO_BUF_FREELISTS
1974 if (a->wbuf_freelist)
1975 ssl_buf_freelist_free(a->wbuf_freelist);
1976 if (a->rbuf_freelist)
1977 ssl_buf_freelist_free(a->rbuf_freelist);
1983 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
1985 ctx->default_passwd_callback=cb;
1988 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
1990 ctx->default_passwd_callback_userdata=u;
1993 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg)
1995 ctx->app_verify_callback=cb;
1996 ctx->app_verify_arg=arg;
1999 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
2001 ctx->verify_mode=mode;
2002 ctx->default_verify_callback=cb;
2005 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
2007 X509_VERIFY_PARAM_set_depth(ctx->param, depth);
2010 void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
2013 int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
2014 int rsa_enc_export,dh_rsa_export,dh_dsa_export;
2015 int rsa_tmp_export,dh_tmp_export,kl;
2016 unsigned long mask_k,mask_a,emask_k,emask_a;
2017 int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size;
2018 #ifndef OPENSSL_NO_ECDH
2022 EVP_PKEY *ecc_pkey = NULL;
2023 int signature_nid = 0, pk_nid = 0, md_nid = 0;
2025 if (c == NULL) return;
2027 kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
2029 #ifndef OPENSSL_NO_RSA
2030 rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
2031 rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
2032 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
2034 rsa_tmp=rsa_tmp_export=0;
2036 #ifndef OPENSSL_NO_DH
2037 dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
2038 dh_tmp_export=(c->dh_tmp_cb != NULL ||
2039 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
2041 dh_tmp=dh_tmp_export=0;
2044 #ifndef OPENSSL_NO_ECDH
2045 have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL);
2047 cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
2048 rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
2049 rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
2050 cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
2051 rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
2052 cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
2053 dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
2054 cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
2055 dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
2056 dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
2057 cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
2058 /* FIX THIS EAY EAY EAY */
2059 dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
2060 dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
2061 cpk= &(c->pkeys[SSL_PKEY_ECC]);
2062 have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL);
2071 printf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
2072 rsa_tmp,rsa_tmp_export,dh_tmp,have_ecdh_tmp,
2073 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
2076 cpk = &(c->pkeys[SSL_PKEY_GOST01]);
2077 if (cpk->x509 != NULL && cpk->privatekey !=NULL) {
2078 mask_k |= SSL_kGOST;
2079 mask_a |= SSL_aGOST01;
2081 cpk = &(c->pkeys[SSL_PKEY_GOST94]);
2082 if (cpk->x509 != NULL && cpk->privatekey !=NULL) {
2083 mask_k |= SSL_kGOST;
2084 mask_a |= SSL_aGOST94;
2087 if (rsa_enc || (rsa_tmp && rsa_sign))
2089 if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
2093 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
2094 if ( (dh_tmp || dh_rsa || dh_dsa) &&
2095 (rsa_enc || rsa_sign || dsa_sign))
2097 if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
2098 (rsa_enc || rsa_sign || dsa_sign))
2108 if (dh_rsa) mask_k|=SSL_kDHr;
2109 if (dh_rsa_export) emask_k|=SSL_kDHr;
2111 if (dh_dsa) mask_k|=SSL_kDHd;
2112 if (dh_dsa_export) emask_k|=SSL_kDHd;
2114 if (emask_k & (SSL_kDHr|SSL_kDHd))
2117 if (rsa_enc || rsa_sign)
2132 #ifndef OPENSSL_NO_KRB5
2139 /* An ECC certificate may be usable for ECDH and/or
2140 * ECDSA cipher suites depending on the key usage extension.
2144 /* This call populates extension flags (ex_flags) */
2145 x = (c->pkeys[SSL_PKEY_ECC]).x509;
2146 X509_check_purpose(x, -1, 0);
2147 ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
2148 (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;
2149 ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
2150 (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;
2151 ecc_pkey = X509_get_pubkey(x);
2152 ecc_pkey_size = (ecc_pkey != NULL) ?
2153 EVP_PKEY_bits(ecc_pkey) : 0;
2154 EVP_PKEY_free(ecc_pkey);
2155 if ((x->sig_alg) && (x->sig_alg->algorithm))
2157 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
2158 OBJ_find_sigid_algs(signature_nid, &md_nid, &pk_nid);
2160 #ifndef OPENSSL_NO_ECDH
2164 if (pk_nid == NID_rsaEncryption || pk_nid == NID_rsa)
2168 if (ecc_pkey_size <= 163)
2170 emask_k|=SSL_kECDHr;
2175 if (pk_nid == NID_X9_62_id_ecPublicKey)
2179 if (ecc_pkey_size <= 163)
2181 emask_k|=SSL_kECDHe;
2187 #ifndef OPENSSL_NO_ECDSA
2191 emask_a|=SSL_aECDSA;
2196 #ifndef OPENSSL_NO_ECDH
2200 emask_k|=SSL_kEECDH;
2204 #ifndef OPENSSL_NO_PSK
2207 emask_k |= SSL_kPSK;
2208 emask_a |= SSL_aPSK;
2213 c->export_mask_k=emask_k;
2214 c->export_mask_a=emask_a;
2218 /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
2219 #define ku_reject(x, usage) \
2220 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
2222 #ifndef OPENSSL_NO_EC
2224 int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
2226 unsigned long alg_k, alg_a;
2227 EVP_PKEY *pkey = NULL;
2229 int signature_nid = 0, md_nid = 0, pk_nid = 0;
2230 const SSL_CIPHER *cs = s->s3->tmp.new_cipher;
2232 alg_k = cs->algorithm_mkey;
2233 alg_a = cs->algorithm_auth;
2235 if (SSL_C_IS_EXPORT(cs))
2237 /* ECDH key length in export ciphers must be <= 163 bits */
2238 pkey = X509_get_pubkey(x);
2239 if (pkey == NULL) return 0;
2240 keysize = EVP_PKEY_bits(pkey);
2241 EVP_PKEY_free(pkey);
2242 if (keysize > 163) return 0;
2245 /* This call populates the ex_flags field correctly */
2246 X509_check_purpose(x, -1, 0);
2247 if ((x->sig_alg) && (x->sig_alg->algorithm))
2249 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
2250 OBJ_find_sigid_algs(signature_nid, &md_nid, &pk_nid);
2252 if (alg_k & SSL_kECDHe || alg_k & SSL_kECDHr)
2254 /* key usage, if present, must allow key agreement */
2255 if (ku_reject(x, X509v3_KU_KEY_AGREEMENT))
2257 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT);
2260 if ((alg_k & SSL_kECDHe) && TLS1_get_version(s) < TLS1_2_VERSION)
2262 /* signature alg must be ECDSA */
2263 if (pk_nid != NID_X9_62_id_ecPublicKey)
2265 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE);
2269 if ((alg_k & SSL_kECDHr) && TLS1_get_version(s) < TLS1_2_VERSION)
2271 /* signature alg must be RSA */
2273 if (pk_nid != NID_rsaEncryption && pk_nid != NID_rsa)
2275 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE);
2280 if (alg_a & SSL_aECDSA)
2282 /* key usage, if present, must allow signing */
2283 if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE))
2285 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_SIGNING);
2290 return 1; /* all checks are ok */
2295 /* THIS NEEDS CLEANING UP */
2296 CERT_PKEY *ssl_get_server_send_pkey(SSL *s)
2298 unsigned long alg_k,alg_a;
2303 ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
2305 alg_k = s->s3->tmp.new_cipher->algorithm_mkey;
2306 alg_a = s->s3->tmp.new_cipher->algorithm_auth;
2308 if (alg_k & (SSL_kECDHr|SSL_kECDHe))
2310 /* we don't need to look at SSL_kEECDH
2311 * since no certificate is needed for
2312 * anon ECDH and for authenticated
2313 * EECDH, the check for the auth
2314 * algorithm will set i correctly
2315 * NOTE: For ECDH-RSA, we need an ECC
2316 * not an RSA cert but for EECDH-RSA
2317 * we need an RSA cert. Placing the
2318 * checks for SSL_kECDH before RSA
2319 * checks ensures the correct cert is chosen.
2323 else if (alg_a & SSL_aECDSA)
2327 else if (alg_k & SSL_kDHr)
2329 else if (alg_k & SSL_kDHd)
2331 else if (alg_a & SSL_aDSS)
2332 i=SSL_PKEY_DSA_SIGN;
2333 else if (alg_a & SSL_aRSA)
2335 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
2336 i=SSL_PKEY_RSA_SIGN;
2340 else if (alg_a & SSL_aKRB5)
2342 /* VRS something else here? */
2345 else if (alg_a & SSL_aGOST94)
2347 else if (alg_a & SSL_aGOST01)
2349 else /* if (alg_a & SSL_aNULL) */
2351 SSLerr(SSL_F_SSL_GET_SERVER_SEND_PKEY,ERR_R_INTERNAL_ERROR);
2354 if (c->pkeys[i].x509 == NULL) return(NULL);
2356 return(&c->pkeys[i]);
2359 EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher, const EVP_MD **pmd)
2361 unsigned long alg_a;
2365 alg_a = cipher->algorithm_auth;
2368 if ((alg_a & SSL_aDSS) &&
2369 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
2370 idx = SSL_PKEY_DSA_SIGN;
2371 else if (alg_a & SSL_aRSA)
2373 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
2374 idx = SSL_PKEY_RSA_SIGN;
2375 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
2376 idx = SSL_PKEY_RSA_ENC;
2378 else if ((alg_a & SSL_aECDSA) &&
2379 (c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
2383 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
2387 *pmd = c->pkeys[idx].digest;
2388 return c->pkeys[idx].privatekey;
2391 void ssl_update_cache(SSL *s,int mode)
2395 /* If the session_id_length is 0, we are not supposed to cache it,
2396 * and it would be rather hard to do anyway :-) */
2397 if (s->session->session_id_length == 0) return;
2399 i=s->session_ctx->session_cache_mode;
2400 if ((i & mode) && (!s->hit)
2401 && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
2402 || SSL_CTX_add_session(s->session_ctx,s->session))
2403 && (s->session_ctx->new_session_cb != NULL))
2405 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
2406 if (!s->session_ctx->new_session_cb(s,s->session))
2407 SSL_SESSION_free(s->session);
2410 /* auto flush every 255 connections */
2411 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
2412 ((i & mode) == mode))
2414 if ( (((mode & SSL_SESS_CACHE_CLIENT)
2415 ?s->session_ctx->stats.sess_connect_good
2416 :s->session_ctx->stats.sess_accept_good) & 0xff) == 0xff)
2418 SSL_CTX_flush_sessions(s->session_ctx,(unsigned long)time(NULL));
2423 const SSL_METHOD *SSL_get_ssl_method(SSL *s)
2428 int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth)
2433 if (s->method != meth)
2435 if (s->handshake_func != NULL)
2436 conn=(s->handshake_func == s->method->ssl_connect);
2438 if (s->method->version == meth->version)
2442 s->method->ssl_free(s);
2444 ret=s->method->ssl_new(s);
2448 s->handshake_func=meth->ssl_connect;
2450 s->handshake_func=meth->ssl_accept;
2455 int SSL_get_error(const SSL *s,int i)
2461 if (i > 0) return(SSL_ERROR_NONE);
2463 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
2464 * etc, where we do encode the error */
2465 if ((l=ERR_peek_error()) != 0)
2467 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
2468 return(SSL_ERROR_SYSCALL);
2470 return(SSL_ERROR_SSL);
2473 if ((i < 0) && SSL_want_read(s))
2475 bio=SSL_get_rbio(s);
2476 if (BIO_should_read(bio))
2477 return(SSL_ERROR_WANT_READ);
2478 else if (BIO_should_write(bio))
2479 /* This one doesn't make too much sense ... We never try
2480 * to write to the rbio, and an application program where
2481 * rbio and wbio are separate couldn't even know what it
2483 * However if we ever set s->rwstate incorrectly
2484 * (so that we have SSL_want_read(s) instead of
2485 * SSL_want_write(s)) and rbio and wbio *are* the same,
2486 * this test works around that bug; so it might be safer
2488 return(SSL_ERROR_WANT_WRITE);
2489 else if (BIO_should_io_special(bio))
2491 reason=BIO_get_retry_reason(bio);
2492 if (reason == BIO_RR_CONNECT)
2493 return(SSL_ERROR_WANT_CONNECT);
2494 else if (reason == BIO_RR_ACCEPT)
2495 return(SSL_ERROR_WANT_ACCEPT);
2497 return(SSL_ERROR_SYSCALL); /* unknown */
2501 if ((i < 0) && SSL_want_write(s))
2503 bio=SSL_get_wbio(s);
2504 if (BIO_should_write(bio))
2505 return(SSL_ERROR_WANT_WRITE);
2506 else if (BIO_should_read(bio))
2507 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
2508 return(SSL_ERROR_WANT_READ);
2509 else if (BIO_should_io_special(bio))
2511 reason=BIO_get_retry_reason(bio);
2512 if (reason == BIO_RR_CONNECT)
2513 return(SSL_ERROR_WANT_CONNECT);
2514 else if (reason == BIO_RR_ACCEPT)
2515 return(SSL_ERROR_WANT_ACCEPT);
2517 return(SSL_ERROR_SYSCALL);
2520 if ((i < 0) && SSL_want_x509_lookup(s))
2522 return(SSL_ERROR_WANT_X509_LOOKUP);
2527 if (s->version == SSL2_VERSION)
2529 /* assume it is the socket being closed */
2530 return(SSL_ERROR_ZERO_RETURN);
2534 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
2535 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
2536 return(SSL_ERROR_ZERO_RETURN);
2539 return(SSL_ERROR_SYSCALL);
2542 int SSL_do_handshake(SSL *s)
2546 if (s->handshake_func == NULL)
2548 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
2552 s->method->ssl_renegotiate_check(s);
2554 if (SSL_in_init(s) || SSL_in_before(s))
2556 ret=s->handshake_func(s);
2561 /* For the next 2 functions, SSL_clear() sets shutdown and so
2562 * one of these calls will reset it */
2563 void SSL_set_accept_state(SSL *s)
2567 s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
2568 s->handshake_func=s->method->ssl_accept;
2569 /* clear the current cipher */
2570 ssl_clear_cipher_ctx(s);
2571 ssl_clear_hash_ctx(&s->read_hash);
2572 ssl_clear_hash_ctx(&s->write_hash);
2575 void SSL_set_connect_state(SSL *s)
2579 s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
2580 s->handshake_func=s->method->ssl_connect;
2581 /* clear the current cipher */
2582 ssl_clear_cipher_ctx(s);
2583 ssl_clear_hash_ctx(&s->read_hash);
2584 ssl_clear_hash_ctx(&s->write_hash);
2587 int ssl_undefined_function(SSL *s)
2589 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2593 int ssl_undefined_void_function(void)
2595 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2599 int ssl_undefined_const_function(const SSL *s)
2601 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2605 SSL_METHOD *ssl_bad_method(int ver)
2607 SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2611 const char *SSL_get_version(const SSL *s)
2613 if (s->version == TLS1_2_VERSION)
2615 else if (s->version == TLS1_1_VERSION)
2617 else if (s->version == TLS1_VERSION)
2619 else if (s->version == SSL3_VERSION)
2621 else if (s->version == SSL2_VERSION)
2627 SSL *SSL_dup(SSL *s)
2629 STACK_OF(X509_NAME) *sk;
2634 if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
2637 ret->version = s->version;
2638 ret->type = s->type;
2639 ret->method = s->method;
2641 if (s->session != NULL)
2643 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2644 SSL_copy_session_id(ret,s);
2648 /* No session has been established yet, so we have to expect
2649 * that s->cert or ret->cert will be changed later --
2650 * they should not both point to the same object,
2651 * and thus we can't use SSL_copy_session_id. */
2653 ret->method->ssl_free(ret);
2654 ret->method = s->method;
2655 ret->method->ssl_new(ret);
2657 if (s->cert != NULL)
2659 if (ret->cert != NULL)
2661 ssl_cert_free(ret->cert);
2663 ret->cert = ssl_cert_dup(s->cert);
2664 if (ret->cert == NULL)
2668 SSL_set_session_id_context(ret,
2669 s->sid_ctx, s->sid_ctx_length);
2672 ret->options=s->options;
2674 SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s));
2675 SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
2676 ret->msg_callback = s->msg_callback;
2677 ret->msg_callback_arg = s->msg_callback_arg;
2678 SSL_set_verify(ret,SSL_get_verify_mode(s),
2679 SSL_get_verify_callback(s));
2680 SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
2681 ret->generate_session_id = s->generate_session_id;
2683 SSL_set_info_callback(ret,SSL_get_info_callback(s));
2685 ret->debug=s->debug;
2687 /* copy app data, a little dangerous perhaps */
2688 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))
2691 /* setup rbio, and wbio */
2692 if (s->rbio != NULL)
2694 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
2697 if (s->wbio != NULL)
2699 if (s->wbio != s->rbio)
2701 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
2705 ret->wbio=ret->rbio;
2707 ret->rwstate = s->rwstate;
2708 ret->in_handshake = s->in_handshake;
2709 ret->handshake_func = s->handshake_func;
2710 ret->server = s->server;
2711 ret->renegotiate = s->renegotiate;
2712 ret->new_session = s->new_session;
2713 ret->quiet_shutdown = s->quiet_shutdown;
2714 ret->shutdown=s->shutdown;
2715 ret->state=s->state; /* SSL_dup does not really work at any state, though */
2716 ret->rstate=s->rstate;
2717 ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
2720 X509_VERIFY_PARAM_inherit(ret->param, s->param);
2722 /* dup the cipher_list and cipher_list_by_id stacks */
2723 if (s->cipher_list != NULL)
2725 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
2728 if (s->cipher_list_by_id != NULL)
2729 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
2733 /* Dup the client_CA list */
2734 if (s->client_CA != NULL)
2736 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
2738 for (i=0; i<sk_X509_NAME_num(sk); i++)
2740 xn=sk_X509_NAME_value(sk,i);
2741 if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
2752 if (ret != NULL) SSL_free(ret);
2758 void ssl_clear_cipher_ctx(SSL *s)
2760 if (s->enc_read_ctx != NULL)
2762 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
2763 OPENSSL_free(s->enc_read_ctx);
2764 s->enc_read_ctx=NULL;
2766 if (s->enc_write_ctx != NULL)
2768 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
2769 OPENSSL_free(s->enc_write_ctx);
2770 s->enc_write_ctx=NULL;
2772 #ifndef OPENSSL_NO_COMP
2773 if (s->expand != NULL)
2775 COMP_CTX_free(s->expand);
2778 if (s->compress != NULL)
2780 COMP_CTX_free(s->compress);
2786 /* Fix this function so that it takes an optional type parameter */
2787 X509 *SSL_get_certificate(const SSL *s)
2789 if (s->cert != NULL)
2790 return(s->cert->key->x509);
2795 /* Fix this function so that it takes an optional type parameter */
2796 EVP_PKEY *SSL_get_privatekey(SSL *s)
2798 if (s->cert != NULL)
2799 return(s->cert->key->privatekey);
2804 const SSL_CIPHER *SSL_get_current_cipher(const SSL *s)
2806 if ((s->session != NULL) && (s->session->cipher != NULL))
2807 return(s->session->cipher);
2810 #ifdef OPENSSL_NO_COMP
2811 const void *SSL_get_current_compression(SSL *s)
2815 const void *SSL_get_current_expansion(SSL *s)
2821 const COMP_METHOD *SSL_get_current_compression(SSL *s)
2823 if (s->compress != NULL)
2824 return(s->compress->meth);
2828 const COMP_METHOD *SSL_get_current_expansion(SSL *s)
2830 if (s->expand != NULL)
2831 return(s->expand->meth);
2836 int ssl_init_wbio_buffer(SSL *s,int push)
2840 if (s->bbio == NULL)
2842 bbio=BIO_new(BIO_f_buffer());
2843 if (bbio == NULL) return(0);
2849 if (s->bbio == s->wbio)
2850 s->wbio=BIO_pop(s->wbio);
2852 (void)BIO_reset(bbio);
2853 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2854 if (!BIO_set_read_buffer_size(bbio,1))
2856 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
2861 if (s->wbio != bbio)
2862 s->wbio=BIO_push(bbio,s->wbio);
2866 if (s->wbio == bbio)
2867 s->wbio=BIO_pop(bbio);
2872 void ssl_free_wbio_buffer(SSL *s)
2874 if (s->bbio == NULL) return;
2876 if (s->bbio == s->wbio)
2878 /* remove buffering */
2879 s->wbio=BIO_pop(s->wbio);
2880 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
2881 assert(s->wbio != NULL);
2888 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
2890 ctx->quiet_shutdown=mode;
2893 int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx)
2895 return(ctx->quiet_shutdown);
2898 void SSL_set_quiet_shutdown(SSL *s,int mode)
2900 s->quiet_shutdown=mode;
2903 int SSL_get_quiet_shutdown(const SSL *s)
2905 return(s->quiet_shutdown);
2908 void SSL_set_shutdown(SSL *s,int mode)
2913 int SSL_get_shutdown(const SSL *s)
2915 return(s->shutdown);
2918 int SSL_version(const SSL *s)
2923 SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl)
2928 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx)
2930 if (ssl->ctx == ctx)
2932 #ifndef OPENSSL_NO_TLSEXT
2934 ctx = ssl->initial_ctx;
2936 if (ssl->cert != NULL)
2937 ssl_cert_free(ssl->cert);
2938 ssl->cert = ssl_cert_dup(ctx->cert);
2939 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
2940 if (ssl->ctx != NULL)
2941 SSL_CTX_free(ssl->ctx); /* decrement reference count */
2946 #ifndef OPENSSL_NO_STDIO
2947 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
2949 return(X509_STORE_set_default_paths(ctx->cert_store));
2952 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
2955 return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
2959 void SSL_set_info_callback(SSL *ssl,
2960 void (*cb)(const SSL *ssl,int type,int val))
2962 ssl->info_callback=cb;
2965 /* One compiler (Diab DCC) doesn't like argument names in returned
2966 function pointer. */
2967 void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/)
2969 return ssl->info_callback;
2972 int SSL_state(const SSL *ssl)
2977 void SSL_set_state(SSL *ssl, int state)
2982 void SSL_set_verify_result(SSL *ssl,long arg)
2984 ssl->verify_result=arg;
2987 long SSL_get_verify_result(const SSL *ssl)
2989 return(ssl->verify_result);
2992 int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
2993 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
2995 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp,
2996 new_func, dup_func, free_func);
2999 int SSL_set_ex_data(SSL *s,int idx,void *arg)
3001 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
3004 void *SSL_get_ex_data(const SSL *s,int idx)
3006 return(CRYPTO_get_ex_data(&s->ex_data,idx));
3009 int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
3010 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
3012 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp,
3013 new_func, dup_func, free_func);
3016 int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
3018 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
3021 void *SSL_CTX_get_ex_data(const SSL_CTX *s,int idx)
3023 return(CRYPTO_get_ex_data(&s->ex_data,idx));
3031 X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx)
3033 return(ctx->cert_store);
3036 void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
3038 if (ctx->cert_store != NULL)
3039 X509_STORE_free(ctx->cert_store);
3040 ctx->cert_store=store;
3043 int SSL_want(const SSL *s)
3049 * \brief Set the callback for generating temporary RSA keys.
3050 * \param ctx the SSL context.
3051 * \param cb the callback
3054 #ifndef OPENSSL_NO_RSA
3055 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
3059 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
3062 void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
3066 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
3072 * \brief The RSA temporary key callback function.
3073 * \param ssl the SSL session.
3074 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
3075 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
3076 * of the required key in bits.
3077 * \return the temporary RSA key.
3078 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
3081 RSA *cb(SSL *ssl,int is_export,int keylength)
3086 * \brief Set the callback for generating temporary DH keys.
3087 * \param ctx the SSL context.
3088 * \param dh the callback
3091 #ifndef OPENSSL_NO_DH
3092 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
3095 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
3098 void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
3101 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
3105 #ifndef OPENSSL_NO_ECDH
3106 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
3109 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
3112 void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
3115 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
3119 #ifndef OPENSSL_NO_PSK
3120 int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint)
3122 if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN)
3124 SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG);
3127 if (ctx->psk_identity_hint != NULL)
3128 OPENSSL_free(ctx->psk_identity_hint);
3129 if (identity_hint != NULL)
3131 ctx->psk_identity_hint = BUF_strdup(identity_hint);
3132 if (ctx->psk_identity_hint == NULL)
3136 ctx->psk_identity_hint = NULL;
3140 int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint)
3145 if (s->session == NULL)
3146 return 1; /* session not created yet, ignored */
3148 if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN)
3150 SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG);
3153 if (s->session->psk_identity_hint != NULL)
3154 OPENSSL_free(s->session->psk_identity_hint);
3155 if (identity_hint != NULL)
3157 s->session->psk_identity_hint = BUF_strdup(identity_hint);
3158 if (s->session->psk_identity_hint == NULL)
3162 s->session->psk_identity_hint = NULL;
3166 const char *SSL_get_psk_identity_hint(const SSL *s)
3168 if (s == NULL || s->session == NULL)
3170 return(s->session->psk_identity_hint);
3173 const char *SSL_get_psk_identity(const SSL *s)
3175 if (s == NULL || s->session == NULL)
3177 return(s->session->psk_identity);
3180 void SSL_set_psk_client_callback(SSL *s,
3181 unsigned int (*cb)(SSL *ssl, const char *hint,
3182 char *identity, unsigned int max_identity_len, unsigned char *psk,
3183 unsigned int max_psk_len))
3185 s->psk_client_callback = cb;
3188 void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx,
3189 unsigned int (*cb)(SSL *ssl, const char *hint,
3190 char *identity, unsigned int max_identity_len, unsigned char *psk,
3191 unsigned int max_psk_len))
3193 ctx->psk_client_callback = cb;
3196 void SSL_set_psk_server_callback(SSL *s,
3197 unsigned int (*cb)(SSL *ssl, const char *identity,
3198 unsigned char *psk, unsigned int max_psk_len))
3200 s->psk_server_callback = cb;
3203 void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx,
3204 unsigned int (*cb)(SSL *ssl, const char *identity,
3205 unsigned char *psk, unsigned int max_psk_len))
3207 ctx->psk_server_callback = cb;
3211 void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))
3213 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
3215 void SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))
3217 SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
3220 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
3221 int (*cb)(SSL *ssl, int is_forward_secure))
3223 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB,
3224 (void (*)(void))cb);
3226 void SSL_set_not_resumable_session_callback(SSL *ssl,
3227 int (*cb)(SSL *ssl, int is_forward_secure))
3229 SSL_callback_ctrl(ssl, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB,
3230 (void (*)(void))cb);
3233 /* Allocates new EVP_MD_CTX and sets pointer to it into given pointer
3234 * vairable, freeing EVP_MD_CTX previously stored in that variable, if
3235 * any. If EVP_MD pointer is passed, initializes ctx with this md
3236 * Returns newly allocated ctx;
3239 EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md)
3241 ssl_clear_hash_ctx(hash);
3242 *hash = EVP_MD_CTX_create();
3243 if (md) EVP_DigestInit_ex(*hash,md,NULL);
3246 void ssl_clear_hash_ctx(EVP_MD_CTX **hash)
3249 if (*hash) EVP_MD_CTX_destroy(*hash);
3253 void SSL_set_debug(SSL *s, int debug)
3258 int SSL_cache_hit(SSL *s)
3263 #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
3264 #include "../crypto/bio/bss_file.c"
3267 IMPLEMENT_STACK_OF(SSL_CIPHER)
3268 IMPLEMENT_STACK_OF(SSL_COMP)
3269 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,