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 "ssl_locl.h"
150 #include "kssl_lcl.h"
151 #include <openssl/objects.h>
152 #include <openssl/lhash.h>
153 #include <openssl/x509v3.h>
154 #include <openssl/rand.h>
155 #include <openssl/ocsp.h>
156 #ifndef OPENSSL_NO_DH
157 #include <openssl/dh.h>
159 #ifndef OPENSSL_NO_ENGINE
160 #include <openssl/engine.h>
163 const char *SSL_version_str
=OPENSSL_VERSION_TEXT
;
165 SSL3_ENC_METHOD ssl3_undef_enc_method
={
166 /* evil casts, but these functions are only called if there's a library bug */
167 (int (*)(SSL
*,int))ssl_undefined_function
,
168 (int (*)(SSL
*, unsigned char *, int))ssl_undefined_function
,
169 ssl_undefined_function
,
170 (int (*)(SSL
*, unsigned char *, unsigned char *, int))ssl_undefined_function
,
171 (int (*)(SSL
*, int))ssl_undefined_function
,
172 (int (*)(SSL
*, const char*, int, unsigned char *))ssl_undefined_function
,
173 0, /* finish_mac_length */
174 (int (*)(SSL
*, int, unsigned char *))ssl_undefined_function
,
175 NULL
, /* client_finished_label */
176 0, /* client_finished_label_len */
177 NULL
, /* server_finished_label */
178 0, /* server_finished_label_len */
179 (int (*)(int))ssl_undefined_function
182 int SSL_clear(SSL
*s
)
185 if (s
->method
== NULL
)
187 SSLerr(SSL_F_SSL_CLEAR
,SSL_R_NO_METHOD_SPECIFIED
);
191 if (ssl_clear_bad_session(s
))
193 SSL_SESSION_free(s
->session
);
201 #if 0 /* Disabled since version 1.10 of this file (early return not
202 * needed because SSL_clear is not called when doing renegotiation) */
203 /* This is set if we are doing dynamic renegotiation so keep
204 * the old cipher. It is sort of a SSL_clear_lite :-) */
205 if (s
->renegotiate
) return(1);
209 SSLerr(SSL_F_SSL_CLEAR
,ERR_R_INTERNAL_ERROR
);
216 s
->state
=SSL_ST_BEFORE
|((s
->server
)?SSL_ST_ACCEPT
:SSL_ST_CONNECT
);
218 s
->version
=s
->method
->version
;
219 s
->client_version
=s
->version
;
220 s
->rwstate
=SSL_NOTHING
;
221 s
->rstate
=SSL_ST_READ_HEADER
;
223 s
->read_ahead
=s
->ctx
->read_ahead
;
226 if (s
->init_buf
!= NULL
)
228 BUF_MEM_free(s
->init_buf
);
232 ssl_clear_cipher_ctx(s
);
233 ssl_clear_hash_ctx(&s
->read_hash
);
234 ssl_clear_hash_ctx(&s
->write_hash
);
239 /* Check to see if we were changed into a different method, if
240 * so, revert back if we are not doing session-id reuse. */
241 if (!s
->in_handshake
&& (s
->session
== NULL
) && (s
->method
!= s
->ctx
->method
))
243 s
->method
->ssl_free(s
);
244 s
->method
=s
->ctx
->method
;
245 if (!s
->method
->ssl_new(s
))
250 s
->method
->ssl_clear(s
);
254 /** Used to change an SSL_CTXs default SSL method type */
255 int SSL_CTX_set_ssl_version(SSL_CTX
*ctx
,const SSL_METHOD
*meth
)
257 STACK_OF(SSL_CIPHER
) *sk
;
261 sk
=ssl_create_cipher_list(ctx
->method
,&(ctx
->cipher_list
),
262 &(ctx
->cipher_list_by_id
),
263 meth
->version
== SSL2_VERSION
? "SSLv2" : SSL_DEFAULT_CIPHER_LIST
);
264 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= 0))
266 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION
,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
272 SSL
*SSL_new(SSL_CTX
*ctx
)
278 SSLerr(SSL_F_SSL_NEW
,SSL_R_NULL_SSL_CTX
);
281 if (ctx
->method
== NULL
)
283 SSLerr(SSL_F_SSL_NEW
,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION
);
287 s
=(SSL
*)OPENSSL_malloc(sizeof(SSL
));
288 if (s
== NULL
) goto err
;
289 memset(s
,0,sizeof(SSL
));
291 #ifndef OPENSSL_NO_KRB5
292 s
->kssl_ctx
= kssl_ctx_new();
293 #endif /* OPENSSL_NO_KRB5 */
295 s
->options
=ctx
->options
;
297 s
->max_cert_list
=ctx
->max_cert_list
;
299 if (ctx
->cert
!= NULL
)
301 /* Earlier library versions used to copy the pointer to
302 * the CERT, not its contents; only when setting new
303 * parameters for the per-SSL copy, ssl_cert_new would be
304 * called (and the direct reference to the per-SSL_CTX
305 * settings would be lost, but those still were indirectly
306 * accessed for various purposes, and for that reason they
307 * used to be known as s->ctx->default_cert).
308 * Now we don't look at the SSL_CTX's CERT after having
309 * duplicated it once. */
311 s
->cert
= ssl_cert_dup(ctx
->cert
);
316 s
->cert
=NULL
; /* Cannot really happen (see SSL_CTX_new) */
318 s
->read_ahead
=ctx
->read_ahead
;
319 s
->msg_callback
=ctx
->msg_callback
;
320 s
->msg_callback_arg
=ctx
->msg_callback_arg
;
321 s
->verify_mode
=ctx
->verify_mode
;
322 s
->not_resumable_session_cb
=ctx
->not_resumable_session_cb
;
324 s
->verify_depth
=ctx
->verify_depth
;
326 s
->sid_ctx_length
=ctx
->sid_ctx_length
;
327 OPENSSL_assert(s
->sid_ctx_length
<= sizeof s
->sid_ctx
);
328 memcpy(&s
->sid_ctx
,&ctx
->sid_ctx
,sizeof(s
->sid_ctx
));
329 s
->verify_callback
=ctx
->default_verify_callback
;
330 s
->generate_session_id
=ctx
->generate_session_id
;
332 s
->param
= X509_VERIFY_PARAM_new();
335 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
337 s
->purpose
= ctx
->purpose
;
338 s
->trust
= ctx
->trust
;
340 s
->quiet_shutdown
=ctx
->quiet_shutdown
;
341 s
->max_send_fragment
= ctx
->max_send_fragment
;
343 CRYPTO_add(&ctx
->references
,1,CRYPTO_LOCK_SSL_CTX
);
345 #ifndef OPENSSL_NO_TLSEXT
346 s
->tlsext_debug_cb
= 0;
347 s
->tlsext_debug_arg
= NULL
;
348 s
->tlsext_ticket_expected
= 0;
349 s
->tlsext_status_type
= -1;
350 s
->tlsext_status_expected
= 0;
351 s
->tlsext_ocsp_ids
= NULL
;
352 s
->tlsext_ocsp_exts
= NULL
;
353 s
->tlsext_ocsp_resp
= NULL
;
354 s
->tlsext_ocsp_resplen
= -1;
355 CRYPTO_add(&ctx
->references
,1,CRYPTO_LOCK_SSL_CTX
);
357 # ifndef OPENSSL_NO_NEXTPROTONEG
358 s
->next_proto_negotiated
= NULL
;
362 s
->verify_result
=X509_V_OK
;
364 s
->method
=ctx
->method
;
366 if (!s
->method
->ssl_new(s
))
370 s
->server
=(ctx
->method
->ssl_accept
== ssl_undefined_function
)?0:1;
374 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
376 #ifndef OPENSSL_NO_PSK
377 s
->psk_client_callback
=ctx
->psk_client_callback
;
378 s
->psk_server_callback
=ctx
->psk_server_callback
;
386 ssl_cert_free(s
->cert
);
388 SSL_CTX_free(s
->ctx
); /* decrement reference count */
391 SSLerr(SSL_F_SSL_NEW
,ERR_R_MALLOC_FAILURE
);
395 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
,const unsigned char *sid_ctx
,
396 unsigned int sid_ctx_len
)
398 if(sid_ctx_len
> sizeof ctx
->sid_ctx
)
400 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT
,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
403 ctx
->sid_ctx_length
=sid_ctx_len
;
404 memcpy(ctx
->sid_ctx
,sid_ctx
,sid_ctx_len
);
409 int SSL_set_session_id_context(SSL
*ssl
,const unsigned char *sid_ctx
,
410 unsigned int sid_ctx_len
)
412 if(sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
)
414 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT
,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
417 ssl
->sid_ctx_length
=sid_ctx_len
;
418 memcpy(ssl
->sid_ctx
,sid_ctx
,sid_ctx_len
);
423 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
425 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX
);
426 ctx
->generate_session_id
= cb
;
427 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX
);
431 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
433 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
434 ssl
->generate_session_id
= cb
;
435 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
439 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
442 /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
443 * we can "construct" a session to give us the desired check - ie. to
444 * find if there's a session in the hash table that would conflict with
445 * any new session built out of this id/id_len and the ssl_version in
446 * use by this SSL. */
449 if(id_len
> sizeof r
.session_id
)
452 r
.ssl_version
= ssl
->version
;
453 r
.session_id_length
= id_len
;
454 memcpy(r
.session_id
, id
, id_len
);
455 /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
456 * callback is calling us to check the uniqueness of a shorter ID, it
457 * must be compared as a padded-out ID because that is what it will be
458 * converted to when the callback has finished choosing it. */
459 if((r
.ssl_version
== SSL2_VERSION
) &&
460 (id_len
< SSL2_SSL_SESSION_ID_LENGTH
))
462 memset(r
.session_id
+ id_len
, 0,
463 SSL2_SSL_SESSION_ID_LENGTH
- id_len
);
464 r
.session_id_length
= SSL2_SSL_SESSION_ID_LENGTH
;
467 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX
);
468 p
= lh_SSL_SESSION_retrieve(ssl
->ctx
->sessions
, &r
);
469 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX
);
473 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
475 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
478 int SSL_set_purpose(SSL
*s
, int purpose
)
480 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
483 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
485 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
488 int SSL_set_trust(SSL
*s
, int trust
)
490 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
493 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
495 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
498 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
500 return X509_VERIFY_PARAM_set1(ssl
->param
, vpm
);
503 void SSL_free(SSL
*s
)
510 i
=CRYPTO_add(&s
->references
,-1,CRYPTO_LOCK_SSL
);
518 fprintf(stderr
,"SSL_free, bad reference count\n");
524 X509_VERIFY_PARAM_free(s
->param
);
526 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
530 /* If the buffering BIO is in place, pop it off */
531 if (s
->bbio
== s
->wbio
)
533 s
->wbio
=BIO_pop(s
->wbio
);
539 BIO_free_all(s
->rbio
);
540 if ((s
->wbio
!= NULL
) && (s
->wbio
!= s
->rbio
))
541 BIO_free_all(s
->wbio
);
543 if (s
->init_buf
!= NULL
) BUF_MEM_free(s
->init_buf
);
545 /* add extra stuff */
546 if (s
->cipher_list
!= NULL
) sk_SSL_CIPHER_free(s
->cipher_list
);
547 if (s
->cipher_list_by_id
!= NULL
) sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
549 /* Make the next call work :-) */
550 if (s
->session
!= NULL
)
552 ssl_clear_bad_session(s
);
553 SSL_SESSION_free(s
->session
);
556 ssl_clear_cipher_ctx(s
);
557 ssl_clear_hash_ctx(&s
->read_hash
);
558 ssl_clear_hash_ctx(&s
->write_hash
);
560 if (s
->cert
!= NULL
) ssl_cert_free(s
->cert
);
561 /* Free up if allocated */
563 #ifndef OPENSSL_NO_TLSEXT
564 if (s
->tlsext_hostname
)
565 OPENSSL_free(s
->tlsext_hostname
);
566 if (s
->initial_ctx
) SSL_CTX_free(s
->initial_ctx
);
567 #ifndef OPENSSL_NO_EC
568 if (s
->tlsext_ecpointformatlist
) OPENSSL_free(s
->tlsext_ecpointformatlist
);
569 if (s
->tlsext_ellipticcurvelist
) OPENSSL_free(s
->tlsext_ellipticcurvelist
);
570 #endif /* OPENSSL_NO_EC */
571 if (s
->tlsext_opaque_prf_input
) OPENSSL_free(s
->tlsext_opaque_prf_input
);
572 if (s
->tlsext_ocsp_exts
)
573 sk_X509_EXTENSION_pop_free(s
->tlsext_ocsp_exts
,
574 X509_EXTENSION_free
);
575 if (s
->tlsext_ocsp_ids
)
576 sk_OCSP_RESPID_pop_free(s
->tlsext_ocsp_ids
, OCSP_RESPID_free
);
577 if (s
->tlsext_ocsp_resp
)
578 OPENSSL_free(s
->tlsext_ocsp_resp
);
581 if (s
->client_CA
!= NULL
)
582 sk_X509_NAME_pop_free(s
->client_CA
,X509_NAME_free
);
584 if (s
->method
!= NULL
) s
->method
->ssl_free(s
);
586 if (s
->ctx
) SSL_CTX_free(s
->ctx
);
588 #ifndef OPENSSL_NO_KRB5
589 if (s
->kssl_ctx
!= NULL
)
590 kssl_ctx_free(s
->kssl_ctx
);
591 #endif /* OPENSSL_NO_KRB5 */
593 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
594 if (s
->next_proto_negotiated
)
595 OPENSSL_free(s
->next_proto_negotiated
);
601 void SSL_set_bio(SSL
*s
,BIO
*rbio
,BIO
*wbio
)
603 /* If the output buffering BIO is still in place, remove it
607 if (s
->wbio
== s
->bbio
)
609 s
->wbio
=s
->wbio
->next_bio
;
610 s
->bbio
->next_bio
=NULL
;
613 if ((s
->rbio
!= NULL
) && (s
->rbio
!= rbio
))
614 BIO_free_all(s
->rbio
);
615 if ((s
->wbio
!= NULL
) && (s
->wbio
!= wbio
) && (s
->rbio
!= s
->wbio
))
616 BIO_free_all(s
->wbio
);
621 BIO
*SSL_get_rbio(const SSL
*s
)
624 BIO
*SSL_get_wbio(const SSL
*s
)
627 int SSL_get_fd(const SSL
*s
)
629 return(SSL_get_rfd(s
));
632 int SSL_get_rfd(const SSL
*s
)
638 r
=BIO_find_type(b
,BIO_TYPE_DESCRIPTOR
);
644 int SSL_get_wfd(const SSL
*s
)
650 r
=BIO_find_type(b
,BIO_TYPE_DESCRIPTOR
);
656 #ifndef OPENSSL_NO_SOCK
657 int SSL_set_fd(SSL
*s
,int fd
)
662 bio
=BIO_new(BIO_s_socket());
666 SSLerr(SSL_F_SSL_SET_FD
,ERR_R_BUF_LIB
);
669 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
670 SSL_set_bio(s
,bio
,bio
);
676 int SSL_set_wfd(SSL
*s
,int fd
)
681 if ((s
->rbio
== NULL
) || (BIO_method_type(s
->rbio
) != BIO_TYPE_SOCKET
)
682 || ((int)BIO_get_fd(s
->rbio
,NULL
) != fd
))
684 bio
=BIO_new(BIO_s_socket());
687 { SSLerr(SSL_F_SSL_SET_WFD
,ERR_R_BUF_LIB
); goto err
; }
688 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
689 SSL_set_bio(s
,SSL_get_rbio(s
),bio
);
692 SSL_set_bio(s
,SSL_get_rbio(s
),SSL_get_rbio(s
));
698 int SSL_set_rfd(SSL
*s
,int fd
)
703 if ((s
->wbio
== NULL
) || (BIO_method_type(s
->wbio
) != BIO_TYPE_SOCKET
)
704 || ((int)BIO_get_fd(s
->wbio
,NULL
) != fd
))
706 bio
=BIO_new(BIO_s_socket());
710 SSLerr(SSL_F_SSL_SET_RFD
,ERR_R_BUF_LIB
);
713 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
714 SSL_set_bio(s
,bio
,SSL_get_wbio(s
));
717 SSL_set_bio(s
,SSL_get_wbio(s
),SSL_get_wbio(s
));
725 /* return length of latest Finished message we sent, copy to 'buf' */
726 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
732 ret
= s
->s3
->tmp
.finish_md_len
;
735 memcpy(buf
, s
->s3
->tmp
.finish_md
, count
);
740 /* return length of latest Finished message we expected, copy to 'buf' */
741 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
747 ret
= s
->s3
->tmp
.peer_finish_md_len
;
750 memcpy(buf
, s
->s3
->tmp
.peer_finish_md
, count
);
756 int SSL_get_verify_mode(const SSL
*s
)
758 return(s
->verify_mode
);
761 int SSL_get_verify_depth(const SSL
*s
)
763 return X509_VERIFY_PARAM_get_depth(s
->param
);
766 int (*SSL_get_verify_callback(const SSL
*s
))(int,X509_STORE_CTX
*)
768 return(s
->verify_callback
);
771 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
773 return(ctx
->verify_mode
);
776 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
778 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
781 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
))(int,X509_STORE_CTX
*)
783 return(ctx
->default_verify_callback
);
786 void SSL_set_verify(SSL
*s
,int mode
,
787 int (*callback
)(int ok
,X509_STORE_CTX
*ctx
))
790 if (callback
!= NULL
)
791 s
->verify_callback
=callback
;
794 void SSL_set_verify_depth(SSL
*s
,int depth
)
796 X509_VERIFY_PARAM_set_depth(s
->param
, depth
);
799 void SSL_set_read_ahead(SSL
*s
,int yes
)
804 int SSL_get_read_ahead(const SSL
*s
)
806 return(s
->read_ahead
);
809 int SSL_pending(const SSL
*s
)
811 /* SSL_pending cannot work properly if read-ahead is enabled
812 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
813 * and it is impossible to fix since SSL_pending cannot report
814 * errors that may be observed while scanning the new data.
815 * (Note that SSL_pending() is often used as a boolean value,
816 * so we'd better not return -1.)
818 return(s
->method
->ssl_pending(s
));
821 X509
*SSL_get_peer_certificate(const SSL
*s
)
825 if ((s
== NULL
) || (s
->session
== NULL
))
830 if (r
== NULL
) return(r
);
832 CRYPTO_add(&r
->references
,1,CRYPTO_LOCK_X509
);
837 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
841 if ((s
== NULL
) || (s
->session
== NULL
) || (s
->session
->sess_cert
== NULL
))
844 r
=s
->session
->sess_cert
->cert_chain
;
846 /* If we are a client, cert_chain includes the peer's own
847 * certificate; if we are a server, it does not. */
852 /* Now in theory, since the calling process own 't' it should be safe to
853 * modify. We need to be able to read f without being hassled */
854 void SSL_copy_session_id(SSL
*t
,const SSL
*f
)
858 /* Do we need to to SSL locking? */
859 SSL_set_session(t
,SSL_get_session(f
));
861 /* what if we are setup as SSLv2 but want to talk SSLv3 or
863 if (t
->method
!= f
->method
)
865 t
->method
->ssl_free(t
); /* cleanup current */
866 t
->method
=f
->method
; /* change method */
867 t
->method
->ssl_new(t
); /* setup new */
873 CRYPTO_add(&f
->cert
->references
,1,CRYPTO_LOCK_SSL_CERT
);
878 if (tmp
!= NULL
) ssl_cert_free(tmp
);
879 SSL_set_session_id_context(t
,f
->sid_ctx
,f
->sid_ctx_length
);
882 /* Fix this so it checks all the valid key/cert options */
883 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
885 if ( (ctx
== NULL
) ||
886 (ctx
->cert
== NULL
) ||
887 (ctx
->cert
->key
->x509
== NULL
))
889 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,SSL_R_NO_CERTIFICATE_ASSIGNED
);
892 if (ctx
->cert
->key
->privatekey
== NULL
)
894 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
897 return(X509_check_private_key(ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
));
900 /* Fix this function so that it takes an optional type parameter */
901 int SSL_check_private_key(const SSL
*ssl
)
905 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,ERR_R_PASSED_NULL_PARAMETER
);
908 if (ssl
->cert
== NULL
)
910 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,SSL_R_NO_CERTIFICATE_ASSIGNED
);
913 if (ssl
->cert
->key
->x509
== NULL
)
915 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,SSL_R_NO_CERTIFICATE_ASSIGNED
);
918 if (ssl
->cert
->key
->privatekey
== NULL
)
920 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
923 return(X509_check_private_key(ssl
->cert
->key
->x509
,
924 ssl
->cert
->key
->privatekey
));
927 int SSL_accept(SSL
*s
)
929 if (s
->handshake_func
== 0)
930 /* Not properly initialized yet */
931 SSL_set_accept_state(s
);
933 return(s
->method
->ssl_accept(s
));
936 int SSL_connect(SSL
*s
)
938 if (s
->handshake_func
== 0)
939 /* Not properly initialized yet */
940 SSL_set_connect_state(s
);
942 return(s
->method
->ssl_connect(s
));
945 long SSL_get_default_timeout(const SSL
*s
)
947 return(s
->method
->get_timeout());
950 int SSL_read(SSL
*s
,void *buf
,int num
)
952 if (s
->handshake_func
== 0)
954 SSLerr(SSL_F_SSL_READ
, SSL_R_UNINITIALIZED
);
958 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
)
960 s
->rwstate
=SSL_NOTHING
;
963 return(s
->method
->ssl_read(s
,buf
,num
));
966 int SSL_peek(SSL
*s
,void *buf
,int num
)
968 if (s
->handshake_func
== 0)
970 SSLerr(SSL_F_SSL_PEEK
, SSL_R_UNINITIALIZED
);
974 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
)
978 return(s
->method
->ssl_peek(s
,buf
,num
));
981 int SSL_write(SSL
*s
,const void *buf
,int num
)
983 if (s
->handshake_func
== 0)
985 SSLerr(SSL_F_SSL_WRITE
, SSL_R_UNINITIALIZED
);
989 if (s
->shutdown
& SSL_SENT_SHUTDOWN
)
991 s
->rwstate
=SSL_NOTHING
;
992 SSLerr(SSL_F_SSL_WRITE
,SSL_R_PROTOCOL_IS_SHUTDOWN
);
995 return(s
->method
->ssl_write(s
,buf
,num
));
998 int SSL_shutdown(SSL
*s
)
1000 /* Note that this function behaves differently from what one might
1001 * expect. Return values are 0 for no success (yet),
1002 * 1 for success; but calling it once is usually not enough,
1003 * even if blocking I/O is used (see ssl3_shutdown).
1006 if (s
->handshake_func
== 0)
1008 SSLerr(SSL_F_SSL_SHUTDOWN
, SSL_R_UNINITIALIZED
);
1012 if ((s
!= NULL
) && !SSL_in_init(s
))
1013 return(s
->method
->ssl_shutdown(s
));
1018 int SSL_renegotiate(SSL
*s
)
1020 if (s
->renegotiate
== 0)
1025 return(s
->method
->ssl_renegotiate(s
));
1028 int SSL_renegotiate_abbreviated(SSL
*s
)
1030 if (s
->renegotiate
== 0)
1035 return(s
->method
->ssl_renegotiate(s
));
1038 int SSL_renegotiate_pending(SSL
*s
)
1040 /* becomes true when negotiation is requested;
1041 * false again once a handshake has finished */
1042 return (s
->renegotiate
!= 0);
1045 long SSL_ctrl(SSL
*s
,int cmd
,long larg
,void *parg
)
1051 case SSL_CTRL_GET_READ_AHEAD
:
1052 return(s
->read_ahead
);
1053 case SSL_CTRL_SET_READ_AHEAD
:
1058 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1059 s
->msg_callback_arg
= parg
;
1062 case SSL_CTRL_OPTIONS
:
1063 return(s
->options
|=larg
);
1064 case SSL_CTRL_CLEAR_OPTIONS
:
1065 return(s
->options
&=~larg
);
1067 return(s
->mode
|=larg
);
1068 case SSL_CTRL_CLEAR_MODE
:
1069 return(s
->mode
&=~larg
);
1070 case SSL_CTRL_GET_MAX_CERT_LIST
:
1071 return(s
->max_cert_list
);
1072 case SSL_CTRL_SET_MAX_CERT_LIST
:
1074 s
->max_cert_list
=larg
;
1076 case SSL_CTRL_SET_MTU
:
1077 if (SSL_version(s
) == DTLS1_VERSION
||
1078 SSL_version(s
) == DTLS1_BAD_VER
)
1084 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1085 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1087 s
->max_send_fragment
= larg
;
1089 case SSL_CTRL_GET_RI_SUPPORT
:
1091 return s
->s3
->send_connection_binding
;
1094 return(s
->method
->ssl_ctrl(s
,cmd
,larg
,parg
));
1098 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
)(void))
1102 case SSL_CTRL_SET_MSG_CALLBACK
:
1103 s
->msg_callback
= (void (*)(int write_p
, int version
, int content_type
, const void *buf
, size_t len
, SSL
*ssl
, void *arg
))(fp
);
1107 return(s
->method
->ssl_callback_ctrl(s
,cmd
,fp
));
1111 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
1113 return ctx
->sessions
;
1116 long SSL_CTX_ctrl(SSL_CTX
*ctx
,int cmd
,long larg
,void *parg
)
1122 case SSL_CTRL_GET_READ_AHEAD
:
1123 return(ctx
->read_ahead
);
1124 case SSL_CTRL_SET_READ_AHEAD
:
1126 ctx
->read_ahead
=larg
;
1129 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1130 ctx
->msg_callback_arg
= parg
;
1133 case SSL_CTRL_GET_MAX_CERT_LIST
:
1134 return(ctx
->max_cert_list
);
1135 case SSL_CTRL_SET_MAX_CERT_LIST
:
1136 l
=ctx
->max_cert_list
;
1137 ctx
->max_cert_list
=larg
;
1140 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
1141 l
=ctx
->session_cache_size
;
1142 ctx
->session_cache_size
=larg
;
1144 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
1145 return(ctx
->session_cache_size
);
1146 case SSL_CTRL_SET_SESS_CACHE_MODE
:
1147 l
=ctx
->session_cache_mode
;
1148 ctx
->session_cache_mode
=larg
;
1150 case SSL_CTRL_GET_SESS_CACHE_MODE
:
1151 return(ctx
->session_cache_mode
);
1153 case SSL_CTRL_SESS_NUMBER
:
1154 return(lh_SSL_SESSION_num_items(ctx
->sessions
));
1155 case SSL_CTRL_SESS_CONNECT
:
1156 return(ctx
->stats
.sess_connect
);
1157 case SSL_CTRL_SESS_CONNECT_GOOD
:
1158 return(ctx
->stats
.sess_connect_good
);
1159 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
1160 return(ctx
->stats
.sess_connect_renegotiate
);
1161 case SSL_CTRL_SESS_ACCEPT
:
1162 return(ctx
->stats
.sess_accept
);
1163 case SSL_CTRL_SESS_ACCEPT_GOOD
:
1164 return(ctx
->stats
.sess_accept_good
);
1165 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
1166 return(ctx
->stats
.sess_accept_renegotiate
);
1167 case SSL_CTRL_SESS_HIT
:
1168 return(ctx
->stats
.sess_hit
);
1169 case SSL_CTRL_SESS_CB_HIT
:
1170 return(ctx
->stats
.sess_cb_hit
);
1171 case SSL_CTRL_SESS_MISSES
:
1172 return(ctx
->stats
.sess_miss
);
1173 case SSL_CTRL_SESS_TIMEOUTS
:
1174 return(ctx
->stats
.sess_timeout
);
1175 case SSL_CTRL_SESS_CACHE_FULL
:
1176 return(ctx
->stats
.sess_cache_full
);
1177 case SSL_CTRL_OPTIONS
:
1178 return(ctx
->options
|=larg
);
1179 case SSL_CTRL_CLEAR_OPTIONS
:
1180 return(ctx
->options
&=~larg
);
1182 return(ctx
->mode
|=larg
);
1183 case SSL_CTRL_CLEAR_MODE
:
1184 return(ctx
->mode
&=~larg
);
1185 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1186 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1188 ctx
->max_send_fragment
= larg
;
1191 return(ctx
->method
->ssl_ctx_ctrl(ctx
,cmd
,larg
,parg
));
1195 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
)(void))
1199 case SSL_CTRL_SET_MSG_CALLBACK
:
1200 ctx
->msg_callback
= (void (*)(int write_p
, int version
, int content_type
, const void *buf
, size_t len
, SSL
*ssl
, void *arg
))(fp
);
1204 return(ctx
->method
->ssl_ctx_callback_ctrl(ctx
,cmd
,fp
));
1208 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
1216 return((l
> 0)?1:-1);
1219 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
* const *ap
,
1220 const SSL_CIPHER
* const *bp
)
1224 l
=(*ap
)->id
-(*bp
)->id
;
1228 return((l
> 0)?1:-1);
1231 /** return a STACK of the ciphers available for the SSL and in order of
1233 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
1237 if (s
->cipher_list
!= NULL
)
1239 return(s
->cipher_list
);
1241 else if ((s
->ctx
!= NULL
) &&
1242 (s
->ctx
->cipher_list
!= NULL
))
1244 return(s
->ctx
->cipher_list
);
1250 /** return a STACK of the ciphers available for the SSL and in order of
1252 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
)
1256 if (s
->cipher_list_by_id
!= NULL
)
1258 return(s
->cipher_list_by_id
);
1260 else if ((s
->ctx
!= NULL
) &&
1261 (s
->ctx
->cipher_list_by_id
!= NULL
))
1263 return(s
->ctx
->cipher_list_by_id
);
1269 /** The old interface to get the same thing as SSL_get_ciphers() */
1270 const char *SSL_get_cipher_list(const SSL
*s
,int n
)
1273 STACK_OF(SSL_CIPHER
) *sk
;
1275 if (s
== NULL
) return(NULL
);
1276 sk
=SSL_get_ciphers(s
);
1277 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
1279 c
=sk_SSL_CIPHER_value(sk
,n
);
1280 if (c
== NULL
) return(NULL
);
1284 /** specify the ciphers to be used by default by the SSL_CTX */
1285 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
1287 STACK_OF(SSL_CIPHER
) *sk
;
1289 sk
=ssl_create_cipher_list(ctx
->method
,&ctx
->cipher_list
,
1290 &ctx
->cipher_list_by_id
,str
);
1291 /* ssl_create_cipher_list may return an empty stack if it
1292 * was unable to find a cipher matching the given rule string
1293 * (for example if the rule string specifies a cipher which
1294 * has been disabled). This is not an error as far as
1295 * ssl_create_cipher_list is concerned, and hence
1296 * ctx->cipher_list and ctx->cipher_list_by_id has been
1300 else if (sk_SSL_CIPHER_num(sk
) == 0)
1302 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1308 /** specify the ciphers to be used by the SSL */
1309 int SSL_set_cipher_list(SSL
*s
,const char *str
)
1311 STACK_OF(SSL_CIPHER
) *sk
;
1313 sk
=ssl_create_cipher_list(s
->ctx
->method
,&s
->cipher_list
,
1314 &s
->cipher_list_by_id
,str
);
1315 /* see comment in SSL_CTX_set_cipher_list */
1318 else if (sk_SSL_CIPHER_num(sk
) == 0)
1320 SSLerr(SSL_F_SSL_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1326 /* works well for SSLv2, not so good for SSLv3 */
1327 char *SSL_get_shared_ciphers(const SSL
*s
,char *buf
,int len
)
1330 STACK_OF(SSL_CIPHER
) *sk
;
1334 if ((s
->session
== NULL
) || (s
->session
->ciphers
== NULL
) ||
1339 sk
=s
->session
->ciphers
;
1340 for (i
=0; i
<sk_SSL_CIPHER_num(sk
); i
++)
1344 c
=sk_SSL_CIPHER_value(sk
,i
);
1362 int ssl_cipher_list_to_bytes(SSL
*s
,STACK_OF(SSL_CIPHER
) *sk
,unsigned char *p
,
1363 int (*put_cb
)(const SSL_CIPHER
*, unsigned char *))
1368 #ifndef OPENSSL_NO_KRB5
1369 int nokrb5
= !kssl_tgt_is_available(s
->kssl_ctx
);
1370 #endif /* OPENSSL_NO_KRB5 */
1372 if (sk
== NULL
) return(0);
1375 for (i
=0; i
<sk_SSL_CIPHER_num(sk
); i
++)
1377 c
=sk_SSL_CIPHER_value(sk
,i
);
1378 #ifndef OPENSSL_NO_KRB5
1379 if (((c
->algorithm_mkey
& SSL_kKRB5
) || (c
->algorithm_auth
& SSL_aKRB5
)) &&
1382 #endif /* OPENSSL_NO_KRB5 */
1383 #ifndef OPENSSL_NO_PSK
1384 /* with PSK there must be client callback set */
1385 if (((c
->algorithm_mkey
& SSL_kPSK
) || (c
->algorithm_auth
& SSL_aPSK
)) &&
1386 s
->psk_client_callback
== NULL
)
1388 #endif /* OPENSSL_NO_PSK */
1389 j
= put_cb
? put_cb(c
,p
) : ssl_put_cipher_by_char(s
,c
,p
);
1392 /* If p == q, no ciphers and caller indicates an error. Otherwise
1393 * add SCSV if not renegotiating.
1395 if (p
!= q
&& !s
->renegotiate
)
1397 static SSL_CIPHER scsv
=
1399 0, NULL
, SSL3_CK_SCSV
, 0, 0, 0, 0, 0, 0, 0, 0, 0
1401 j
= put_cb
? put_cb(&scsv
,p
) : ssl_put_cipher_by_char(s
,&scsv
,p
);
1403 #ifdef OPENSSL_RI_DEBUG
1404 fprintf(stderr
, "SCSV sent by client\n");
1411 STACK_OF(SSL_CIPHER
) *ssl_bytes_to_cipher_list(SSL
*s
,unsigned char *p
,int num
,
1412 STACK_OF(SSL_CIPHER
) **skp
)
1414 const SSL_CIPHER
*c
;
1415 STACK_OF(SSL_CIPHER
) *sk
;
1418 s
->s3
->send_connection_binding
= 0;
1420 n
=ssl_put_cipher_by_char(s
,NULL
,NULL
);
1423 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
1426 if ((skp
== NULL
) || (*skp
== NULL
))
1427 sk
=sk_SSL_CIPHER_new_null(); /* change perhaps later */
1431 sk_SSL_CIPHER_zero(sk
);
1434 for (i
=0; i
<num
; i
+=n
)
1436 /* Check for SCSV */
1437 if (s
->s3
&& (n
!= 3 || !p
[0]) &&
1438 (p
[n
-2] == ((SSL3_CK_SCSV
>> 8) & 0xff)) &&
1439 (p
[n
-1] == (SSL3_CK_SCSV
& 0xff)))
1441 /* SCSV fatal if renegotiating */
1444 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING
);
1445 ssl3_send_alert(s
,SSL3_AL_FATAL
,SSL_AD_HANDSHAKE_FAILURE
);
1448 s
->s3
->send_connection_binding
= 1;
1450 #ifdef OPENSSL_RI_DEBUG
1451 fprintf(stderr
, "SCSV received by server\n");
1456 c
=ssl_get_cipher_by_char(s
,p
);
1460 if (!sk_SSL_CIPHER_push(sk
,c
))
1462 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,ERR_R_MALLOC_FAILURE
);
1472 if ((skp
== NULL
) || (*skp
== NULL
))
1473 sk_SSL_CIPHER_free(sk
);
1478 #ifndef OPENSSL_NO_TLSEXT
1479 /** return a servername extension value if provided in Client Hello, or NULL.
1480 * So far, only host_name types are defined (RFC 3546).
1483 const char *SSL_get_servername(const SSL
*s
, const int type
)
1485 if (type
!= TLSEXT_NAMETYPE_host_name
)
1488 return s
->session
&& !s
->tlsext_hostname
?
1489 s
->session
->tlsext_hostname
:
1493 int SSL_get_servername_type(const SSL
*s
)
1495 if (s
->session
&& (!s
->tlsext_hostname
? s
->session
->tlsext_hostname
: s
->tlsext_hostname
))
1496 return TLSEXT_NAMETYPE_host_name
;
1500 # ifndef OPENSSL_NO_NEXTPROTONEG
1501 /* SSL_select_next_proto implements the standard protocol selection. It is
1502 * expected that this function is called from the callback set by
1503 * SSL_CTX_set_next_proto_select_cb.
1505 * The protocol data is assumed to be a vector of 8-bit, length prefixed byte
1506 * strings. The length byte itself is not included in the length. A byte
1507 * string of length 0 is invalid. No byte string may be truncated.
1509 * The current, but experimental algorithm for selecting the protocol is:
1511 * 1) If the server doesn't support NPN then this is indicated to the
1512 * callback. In this case, the client application has to abort the connection
1513 * or have a default application level protocol.
1515 * 2) If the server supports NPN, but advertises an empty list then the
1516 * client selects the first protcol in its list, but indicates via the
1517 * API that this fallback case was enacted.
1519 * 3) Otherwise, the client finds the first protocol in the server's list
1520 * that it supports and selects this protocol. This is because it's
1521 * assumed that the server has better information about which protocol
1522 * a client should use.
1524 * 4) If the client doesn't support any of the server's advertised
1525 * protocols, then this is treated the same as case 2.
1528 * OPENSSL_NPN_NEGOTIATED if a common protocol was found, or
1529 * OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
1531 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
)
1534 const unsigned char *result
;
1535 int status
= OPENSSL_NPN_UNSUPPORTED
;
1537 /* For each protocol in server preference order, see if we support it. */
1538 for (i
= 0; i
< server_len
; )
1540 for (j
= 0; j
< client_len
; )
1542 if (server
[i
] == client
[j
] &&
1543 memcmp(&server
[i
+1], &client
[j
+1], server
[i
]) == 0)
1545 /* We found a match */
1546 result
= &server
[i
];
1547 status
= OPENSSL_NPN_NEGOTIATED
;
1557 /* There's no overlap between our protocols and the server's list. */
1559 status
= OPENSSL_NPN_NO_OVERLAP
;
1562 *out
= (unsigned char *) result
+ 1;
1563 *outlen
= result
[0];
1567 /* SSL_get0_next_proto_negotiated sets *data and *len to point to the client's
1568 * requested protocol for this connection and returns 0. If the client didn't
1569 * request any protocol, then *data is set to NULL.
1571 * Note that the client can request any protocol it chooses. The value returned
1572 * from this function need not be a member of the list of supported protocols
1573 * provided by the callback.
1575 void SSL_get0_next_proto_negotiated(const SSL
*s
, const unsigned char **data
, unsigned *len
)
1577 *data
= s
->next_proto_negotiated
;
1581 *len
= s
->next_proto_negotiated_len
;
1585 /* SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when a
1586 * TLS server needs a list of supported protocols for Next Protocol
1587 * Negotiation. The returned list must be in wire format. The list is returned
1588 * by setting |out| to point to it and |outlen| to its length. This memory will
1589 * not be modified, but one should assume that the SSL* keeps a reference to
1592 * The callback should return SSL_TLSEXT_ERR_OK if it wishes to advertise. Otherwise, no
1593 * such extension will be included in the ServerHello. */
1594 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
)
1596 ctx
->next_protos_advertised_cb
= cb
;
1597 ctx
->next_protos_advertised_cb_arg
= arg
;
1600 /* SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
1601 * client needs to select a protocol from the server's provided list. |out|
1602 * must be set to point to the selected protocol (which may be within |in|).
1603 * The length of the protocol name must be written into |outlen|. The server's
1604 * advertised protocols are provided in |in| and |inlen|. The callback can
1605 * assume that |in| is syntactically valid.
1607 * The client must select a protocol. It is fatal to the connection if this
1608 * callback returns a value other than SSL_TLSEXT_ERR_OK.
1610 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
)
1612 ctx
->next_proto_select_cb
= cb
;
1613 ctx
->next_proto_select_cb_arg
= arg
;
1619 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
1624 ((unsigned int) a
->session_id
[0] )|
1625 ((unsigned int) a
->session_id
[1]<< 8L)|
1626 ((unsigned long)a
->session_id
[2]<<16L)|
1627 ((unsigned long)a
->session_id
[3]<<24L);
1631 /* NB: If this function (or indeed the hash function which uses a sort of
1632 * coarser function than this one) is changed, ensure
1633 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
1634 * able to construct an SSL_SESSION that will collide with any existing session
1635 * with a matching session ID. */
1636 static int ssl_session_cmp(const SSL_SESSION
*a
,const SSL_SESSION
*b
)
1638 if (a
->ssl_version
!= b
->ssl_version
)
1640 if (a
->session_id_length
!= b
->session_id_length
)
1642 return(memcmp(a
->session_id
,b
->session_id
,a
->session_id_length
));
1645 /* These wrapper functions should remain rather than redeclaring
1646 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1647 * variable. The reason is that the functions aren't static, they're exposed via
1649 static IMPLEMENT_LHASH_HASH_FN(ssl_session
, SSL_SESSION
)
1650 static IMPLEMENT_LHASH_COMP_FN(ssl_session
, SSL_SESSION
)
1652 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
1658 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_NULL_SSL_METHOD_PASSED
);
1662 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1664 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
1667 ret
=(SSL_CTX
*)OPENSSL_malloc(sizeof(SSL_CTX
));
1671 memset(ret
,0,sizeof(SSL_CTX
));
1675 ret
->cert_store
=NULL
;
1676 ret
->session_cache_mode
=SSL_SESS_CACHE_SERVER
;
1677 ret
->session_cache_size
=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
1678 ret
->session_cache_head
=NULL
;
1679 ret
->session_cache_tail
=NULL
;
1681 /* We take the system default */
1682 ret
->session_timeout
=meth
->get_timeout();
1684 ret
->new_session_cb
=0;
1685 ret
->remove_session_cb
=0;
1686 ret
->get_session_cb
=0;
1687 ret
->generate_session_id
=0;
1689 memset((char *)&ret
->stats
,0,sizeof(ret
->stats
));
1692 ret
->quiet_shutdown
=0;
1694 /* ret->cipher=NULL;*/
1695 /* ret->s2->challenge=NULL;
1696 ret->master_key=NULL;
1698 ret->s2->conn_id=NULL; */
1700 ret
->info_callback
=NULL
;
1702 ret
->app_verify_callback
=0;
1703 ret
->app_verify_arg
=NULL
;
1705 ret
->max_cert_list
=SSL_MAX_CERT_LIST_DEFAULT
;
1707 ret
->msg_callback
=0;
1708 ret
->msg_callback_arg
=NULL
;
1709 ret
->verify_mode
=SSL_VERIFY_NONE
;
1711 ret
->verify_depth
=-1; /* Don't impose a limit (but x509_lu.c does) */
1713 ret
->sid_ctx_length
=0;
1714 ret
->default_verify_callback
=NULL
;
1715 if ((ret
->cert
=ssl_cert_new()) == NULL
)
1718 ret
->default_passwd_callback
=0;
1719 ret
->default_passwd_callback_userdata
=NULL
;
1720 ret
->client_cert_cb
=0;
1721 ret
->app_gen_cookie_cb
=0;
1722 ret
->app_verify_cookie_cb
=0;
1724 ret
->sessions
=lh_SSL_SESSION_new();
1725 if (ret
->sessions
== NULL
) goto err
;
1726 ret
->cert_store
=X509_STORE_new();
1727 if (ret
->cert_store
== NULL
) goto err
;
1729 ssl_create_cipher_list(ret
->method
,
1730 &ret
->cipher_list
,&ret
->cipher_list_by_id
,
1731 meth
->version
== SSL2_VERSION
? "SSLv2" : SSL_DEFAULT_CIPHER_LIST
);
1732 if (ret
->cipher_list
== NULL
1733 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0)
1735 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_LIBRARY_HAS_NO_CIPHERS
);
1739 ret
->param
= X509_VERIFY_PARAM_new();
1743 if ((ret
->rsa_md5
=EVP_get_digestbyname("ssl2-md5")) == NULL
)
1745 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES
);
1748 if ((ret
->md5
=EVP_get_digestbyname("ssl3-md5")) == NULL
)
1750 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES
);
1753 if ((ret
->sha1
=EVP_get_digestbyname("ssl3-sha1")) == NULL
)
1755 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES
);
1759 if ((ret
->client_CA
=sk_X509_NAME_new_null()) == NULL
)
1762 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
);
1764 ret
->extra_certs
=NULL
;
1765 ret
->comp_methods
=SSL_COMP_get_compression_methods();
1767 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
1769 #ifndef OPENSSL_NO_TLSEXT
1770 ret
->tlsext_servername_callback
= 0;
1771 ret
->tlsext_servername_arg
= NULL
;
1772 /* Setup RFC4507 ticket keys */
1773 if ((RAND_pseudo_bytes(ret
->tlsext_tick_key_name
, 16) <= 0)
1774 || (RAND_bytes(ret
->tlsext_tick_hmac_key
, 16) <= 0)
1775 || (RAND_bytes(ret
->tlsext_tick_aes_key
, 16) <= 0))
1776 ret
->options
|= SSL_OP_NO_TICKET
;
1778 ret
->tlsext_status_cb
= 0;
1779 ret
->tlsext_status_arg
= NULL
;
1781 # ifndef OPENSSL_NO_NEXTPROTONEG
1782 ret
->next_protos_advertised_cb
= 0;
1783 ret
->next_proto_select_cb
= 0;
1786 #ifndef OPENSSL_NO_PSK
1787 ret
->psk_identity_hint
=NULL
;
1788 ret
->psk_client_callback
=NULL
;
1789 ret
->psk_server_callback
=NULL
;
1791 #ifndef OPENSSL_NO_BUF_FREELISTS
1792 ret
->freelist_max_len
= SSL_MAX_BUF_FREELIST_LEN_DEFAULT
;
1793 ret
->rbuf_freelist
= OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST
));
1794 if (!ret
->rbuf_freelist
)
1796 ret
->rbuf_freelist
->chunklen
= 0;
1797 ret
->rbuf_freelist
->len
= 0;
1798 ret
->rbuf_freelist
->head
= NULL
;
1799 ret
->wbuf_freelist
= OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST
));
1800 if (!ret
->wbuf_freelist
)
1802 OPENSSL_free(ret
->rbuf_freelist
);
1805 ret
->wbuf_freelist
->chunklen
= 0;
1806 ret
->wbuf_freelist
->len
= 0;
1807 ret
->wbuf_freelist
->head
= NULL
;
1809 #ifndef OPENSSL_NO_ENGINE
1810 ret
->client_cert_engine
= NULL
;
1811 #ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
1812 #define eng_strx(x) #x
1813 #define eng_str(x) eng_strx(x)
1814 /* Use specific client engine automatically... ignore errors */
1817 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
1821 ENGINE_load_builtin_engines();
1822 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
1824 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
1829 /* Default is to connect to non-RI servers. When RI is more widely
1830 * deployed might change this.
1832 ret
->options
|= SSL_OP_LEGACY_SERVER_CONNECT
;
1836 SSLerr(SSL_F_SSL_CTX_NEW
,ERR_R_MALLOC_FAILURE
);
1838 if (ret
!= NULL
) SSL_CTX_free(ret
);
1843 static void SSL_COMP_free(SSL_COMP
*comp
)
1844 { OPENSSL_free(comp
); }
1847 #ifndef OPENSSL_NO_BUF_FREELISTS
1849 ssl_buf_freelist_free(SSL3_BUF_FREELIST
*list
)
1851 SSL3_BUF_FREELIST_ENTRY
*ent
, *next
;
1852 for (ent
= list
->head
; ent
; ent
= next
)
1861 void SSL_CTX_free(SSL_CTX
*a
)
1865 if (a
== NULL
) return;
1867 i
=CRYPTO_add(&a
->references
,-1,CRYPTO_LOCK_SSL_CTX
);
1869 REF_PRINT("SSL_CTX",a
);
1875 fprintf(stderr
,"SSL_CTX_free, bad reference count\n");
1881 X509_VERIFY_PARAM_free(a
->param
);
1884 * Free internal session cache. However: the remove_cb() may reference
1885 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
1886 * after the sessions were flushed.
1887 * As the ex_data handling routines might also touch the session cache,
1888 * the most secure solution seems to be: empty (flush) the cache, then
1889 * free ex_data, then finally free the cache.
1890 * (See ticket [openssl.org #212].)
1892 if (a
->sessions
!= NULL
)
1893 SSL_CTX_flush_sessions(a
,0);
1895 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, a
, &a
->ex_data
);
1897 if (a
->sessions
!= NULL
)
1898 lh_SSL_SESSION_free(a
->sessions
);
1900 if (a
->cert_store
!= NULL
)
1901 X509_STORE_free(a
->cert_store
);
1902 if (a
->cipher_list
!= NULL
)
1903 sk_SSL_CIPHER_free(a
->cipher_list
);
1904 if (a
->cipher_list_by_id
!= NULL
)
1905 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
1906 if (a
->cert
!= NULL
)
1907 ssl_cert_free(a
->cert
);
1908 if (a
->client_CA
!= NULL
)
1909 sk_X509_NAME_pop_free(a
->client_CA
,X509_NAME_free
);
1910 if (a
->extra_certs
!= NULL
)
1911 sk_X509_pop_free(a
->extra_certs
,X509_free
);
1912 #if 0 /* This should never be done, since it removes a global database */
1913 if (a
->comp_methods
!= NULL
)
1914 sk_SSL_COMP_pop_free(a
->comp_methods
,SSL_COMP_free
);
1916 a
->comp_methods
= NULL
;
1919 #ifndef OPENSSL_NO_PSK
1920 if (a
->psk_identity_hint
)
1921 OPENSSL_free(a
->psk_identity_hint
);
1923 #ifndef OPENSSL_NO_ENGINE
1924 if (a
->client_cert_engine
)
1925 ENGINE_finish(a
->client_cert_engine
);
1928 #ifndef OPENSSL_NO_BUF_FREELISTS
1929 if (a
->wbuf_freelist
)
1930 ssl_buf_freelist_free(a
->wbuf_freelist
);
1931 if (a
->rbuf_freelist
)
1932 ssl_buf_freelist_free(a
->rbuf_freelist
);
1938 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
1940 ctx
->default_passwd_callback
=cb
;
1943 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
,void *u
)
1945 ctx
->default_passwd_callback_userdata
=u
;
1948 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
, int (*cb
)(X509_STORE_CTX
*,void *), void *arg
)
1950 ctx
->app_verify_callback
=cb
;
1951 ctx
->app_verify_arg
=arg
;
1954 void SSL_CTX_set_verify(SSL_CTX
*ctx
,int mode
,int (*cb
)(int, X509_STORE_CTX
*))
1956 ctx
->verify_mode
=mode
;
1957 ctx
->default_verify_callback
=cb
;
1960 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
,int depth
)
1962 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
1965 void ssl_set_cert_masks(CERT
*c
, const SSL_CIPHER
*cipher
)
1968 int rsa_enc
,rsa_tmp
,rsa_sign
,dh_tmp
,dh_rsa
,dh_dsa
,dsa_sign
;
1969 int rsa_enc_export
,dh_rsa_export
,dh_dsa_export
;
1970 int rsa_tmp_export
,dh_tmp_export
,kl
;
1971 unsigned long mask_k
,mask_a
,emask_k
,emask_a
;
1972 int have_ecc_cert
, ecdh_ok
, ecdsa_ok
, ecc_pkey_size
;
1973 #ifndef OPENSSL_NO_ECDH
1977 EVP_PKEY
*ecc_pkey
= NULL
;
1978 int signature_nid
= 0;
1980 if (c
== NULL
) return;
1982 kl
=SSL_C_EXPORT_PKEYLENGTH(cipher
);
1984 #ifndef OPENSSL_NO_RSA
1985 rsa_tmp
=(c
->rsa_tmp
!= NULL
|| c
->rsa_tmp_cb
!= NULL
);
1986 rsa_tmp_export
=(c
->rsa_tmp_cb
!= NULL
||
1987 (rsa_tmp
&& RSA_size(c
->rsa_tmp
)*8 <= kl
));
1989 rsa_tmp
=rsa_tmp_export
=0;
1991 #ifndef OPENSSL_NO_DH
1992 dh_tmp
=(c
->dh_tmp
!= NULL
|| c
->dh_tmp_cb
!= NULL
);
1993 dh_tmp_export
=(c
->dh_tmp_cb
!= NULL
||
1994 (dh_tmp
&& DH_size(c
->dh_tmp
)*8 <= kl
));
1996 dh_tmp
=dh_tmp_export
=0;
1999 #ifndef OPENSSL_NO_ECDH
2000 have_ecdh_tmp
=(c
->ecdh_tmp
!= NULL
|| c
->ecdh_tmp_cb
!= NULL
);
2002 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_ENC
]);
2003 rsa_enc
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
2004 rsa_enc_export
=(rsa_enc
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
2005 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_SIGN
]);
2006 rsa_sign
=(cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
2007 cpk
= &(c
->pkeys
[SSL_PKEY_DSA_SIGN
]);
2008 dsa_sign
=(cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
2009 cpk
= &(c
->pkeys
[SSL_PKEY_DH_RSA
]);
2010 dh_rsa
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
2011 dh_rsa_export
=(dh_rsa
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
2012 cpk
= &(c
->pkeys
[SSL_PKEY_DH_DSA
]);
2013 /* FIX THIS EAY EAY EAY */
2014 dh_dsa
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
2015 dh_dsa_export
=(dh_dsa
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
2016 cpk
= &(c
->pkeys
[SSL_PKEY_ECC
]);
2017 have_ecc_cert
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
2026 printf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
2027 rsa_tmp
,rsa_tmp_export
,dh_tmp
,have_ecdh_tmp
,
2028 rsa_enc
,rsa_enc_export
,rsa_sign
,dsa_sign
,dh_rsa
,dh_dsa
);
2031 cpk
= &(c
->pkeys
[SSL_PKEY_GOST01
]);
2032 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!=NULL
) {
2033 mask_k
|= SSL_kGOST
;
2034 mask_a
|= SSL_aGOST01
;
2036 cpk
= &(c
->pkeys
[SSL_PKEY_GOST94
]);
2037 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!=NULL
) {
2038 mask_k
|= SSL_kGOST
;
2039 mask_a
|= SSL_aGOST94
;
2042 if (rsa_enc
|| (rsa_tmp
&& rsa_sign
))
2044 if (rsa_enc_export
|| (rsa_tmp_export
&& (rsa_sign
|| rsa_enc
)))
2048 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
2049 if ( (dh_tmp
|| dh_rsa
|| dh_dsa
) &&
2050 (rsa_enc
|| rsa_sign
|| dsa_sign
))
2052 if ((dh_tmp_export
|| dh_rsa_export
|| dh_dsa_export
) &&
2053 (rsa_enc
|| rsa_sign
|| dsa_sign
))
2063 if (dh_rsa
) mask_k
|=SSL_kDHr
;
2064 if (dh_rsa_export
) emask_k
|=SSL_kDHr
;
2066 if (dh_dsa
) mask_k
|=SSL_kDHd
;
2067 if (dh_dsa_export
) emask_k
|=SSL_kDHd
;
2069 if (rsa_enc
|| rsa_sign
)
2084 #ifndef OPENSSL_NO_KRB5
2091 /* An ECC certificate may be usable for ECDH and/or
2092 * ECDSA cipher suites depending on the key usage extension.
2096 /* This call populates extension flags (ex_flags) */
2097 x
= (c
->pkeys
[SSL_PKEY_ECC
]).x509
;
2098 X509_check_purpose(x
, -1, 0);
2099 ecdh_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2100 (x
->ex_kusage
& X509v3_KU_KEY_AGREEMENT
) : 1;
2101 ecdsa_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2102 (x
->ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
) : 1;
2103 ecc_pkey
= X509_get_pubkey(x
);
2104 ecc_pkey_size
= (ecc_pkey
!= NULL
) ?
2105 EVP_PKEY_bits(ecc_pkey
) : 0;
2106 EVP_PKEY_free(ecc_pkey
);
2107 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
))
2108 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2109 #ifndef OPENSSL_NO_ECDH
2112 const char *sig
= OBJ_nid2ln(signature_nid
);
2119 if (strstr(sig
, "WithRSA"))
2123 if (ecc_pkey_size
<= 163)
2125 emask_k
|=SSL_kECDHr
;
2130 if (signature_nid
== NID_ecdsa_with_SHA1
)
2134 if (ecc_pkey_size
<= 163)
2136 emask_k
|=SSL_kECDHe
;
2142 #ifndef OPENSSL_NO_ECDSA
2146 emask_a
|=SSL_aECDSA
;
2151 #ifndef OPENSSL_NO_ECDH
2155 emask_k
|=SSL_kEECDH
;
2159 #ifndef OPENSSL_NO_PSK
2162 emask_k
|= SSL_kPSK
;
2163 emask_a
|= SSL_aPSK
;
2168 c
->export_mask_k
=emask_k
;
2169 c
->export_mask_a
=emask_a
;
2173 /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
2174 #define ku_reject(x, usage) \
2175 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
2177 #ifndef OPENSSL_NO_EC
2179 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, const SSL_CIPHER
*cs
)
2181 unsigned long alg_k
, alg_a
;
2182 EVP_PKEY
*pkey
= NULL
;
2184 int signature_nid
= 0;
2186 alg_k
= cs
->algorithm_mkey
;
2187 alg_a
= cs
->algorithm_auth
;
2189 if (SSL_C_IS_EXPORT(cs
))
2191 /* ECDH key length in export ciphers must be <= 163 bits */
2192 pkey
= X509_get_pubkey(x
);
2193 if (pkey
== NULL
) return 0;
2194 keysize
= EVP_PKEY_bits(pkey
);
2195 EVP_PKEY_free(pkey
);
2196 if (keysize
> 163) return 0;
2199 /* This call populates the ex_flags field correctly */
2200 X509_check_purpose(x
, -1, 0);
2201 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
))
2202 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2203 if (alg_k
& SSL_kECDHe
|| alg_k
& SSL_kECDHr
)
2205 /* key usage, if present, must allow key agreement */
2206 if (ku_reject(x
, X509v3_KU_KEY_AGREEMENT
))
2208 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT
);
2211 if (alg_k
& SSL_kECDHe
)
2213 /* signature alg must be ECDSA */
2214 if (signature_nid
!= NID_ecdsa_with_SHA1
)
2216 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE
);
2220 if (alg_k
& SSL_kECDHr
)
2222 /* signature alg must be RSA */
2224 const char *sig
= OBJ_nid2ln(signature_nid
);
2230 if (strstr(sig
, "WithRSA") == NULL
)
2232 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE
);
2237 if (alg_a
& SSL_aECDSA
)
2239 /* key usage, if present, must allow signing */
2240 if (ku_reject(x
, X509v3_KU_DIGITAL_SIGNATURE
))
2242 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
2247 return 1; /* all checks are ok */
2252 /* THIS NEEDS CLEANING UP */
2253 X509
*ssl_get_server_send_cert(SSL
*s
)
2255 unsigned long alg_k
,alg_a
;
2260 ssl_set_cert_masks(c
, s
->s3
->tmp
.new_cipher
);
2262 alg_k
= s
->s3
->tmp
.new_cipher
->algorithm_mkey
;
2263 alg_a
= s
->s3
->tmp
.new_cipher
->algorithm_auth
;
2265 if (alg_k
& (SSL_kECDHr
|SSL_kECDHe
))
2267 /* we don't need to look at SSL_kEECDH
2268 * since no certificate is needed for
2269 * anon ECDH and for authenticated
2270 * EECDH, the check for the auth
2271 * algorithm will set i correctly
2272 * NOTE: For ECDH-RSA, we need an ECC
2273 * not an RSA cert but for EECDH-RSA
2274 * we need an RSA cert. Placing the
2275 * checks for SSL_kECDH before RSA
2276 * checks ensures the correct cert is chosen.
2280 else if (alg_a
& SSL_aECDSA
)
2284 else if (alg_k
& SSL_kDHr
)
2286 else if (alg_k
& SSL_kDHd
)
2288 else if (alg_a
& SSL_aDSS
)
2289 i
=SSL_PKEY_DSA_SIGN
;
2290 else if (alg_a
& SSL_aRSA
)
2292 if (c
->pkeys
[SSL_PKEY_RSA_ENC
].x509
== NULL
)
2293 i
=SSL_PKEY_RSA_SIGN
;
2297 else if (alg_a
& SSL_aKRB5
)
2299 /* VRS something else here? */
2302 else if (alg_a
& SSL_aGOST94
)
2304 else if (alg_a
& SSL_aGOST01
)
2306 else /* if (alg_a & SSL_aNULL) */
2308 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT
,ERR_R_INTERNAL_ERROR
);
2311 if (c
->pkeys
[i
].x509
== NULL
) return(NULL
);
2313 return(c
->pkeys
[i
].x509
);
2316 EVP_PKEY
*ssl_get_sign_pkey(SSL
*s
,const SSL_CIPHER
*cipher
)
2318 unsigned long alg_a
;
2321 alg_a
= cipher
->algorithm_auth
;
2324 if ((alg_a
& SSL_aDSS
) &&
2325 (c
->pkeys
[SSL_PKEY_DSA_SIGN
].privatekey
!= NULL
))
2326 return(c
->pkeys
[SSL_PKEY_DSA_SIGN
].privatekey
);
2327 else if (alg_a
& SSL_aRSA
)
2329 if (c
->pkeys
[SSL_PKEY_RSA_SIGN
].privatekey
!= NULL
)
2330 return(c
->pkeys
[SSL_PKEY_RSA_SIGN
].privatekey
);
2331 else if (c
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
!= NULL
)
2332 return(c
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
);
2336 else if ((alg_a
& SSL_aECDSA
) &&
2337 (c
->pkeys
[SSL_PKEY_ECC
].privatekey
!= NULL
))
2338 return(c
->pkeys
[SSL_PKEY_ECC
].privatekey
);
2339 else /* if (alg_a & SSL_aNULL) */
2341 SSLerr(SSL_F_SSL_GET_SIGN_PKEY
,ERR_R_INTERNAL_ERROR
);
2346 void ssl_update_cache(SSL
*s
,int mode
)
2350 /* If the session_id_length is 0, we are not supposed to cache it,
2351 * and it would be rather hard to do anyway :-) */
2352 if (s
->session
->session_id_length
== 0) return;
2354 i
=s
->session_ctx
->session_cache_mode
;
2355 if ((i
& mode
) && (!s
->hit
)
2356 && ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
)
2357 || SSL_CTX_add_session(s
->session_ctx
,s
->session
))
2358 && (s
->session_ctx
->new_session_cb
!= NULL
))
2360 CRYPTO_add(&s
->session
->references
,1,CRYPTO_LOCK_SSL_SESSION
);
2361 if (!s
->session_ctx
->new_session_cb(s
,s
->session
))
2362 SSL_SESSION_free(s
->session
);
2365 /* auto flush every 255 connections */
2366 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) &&
2367 ((i
& mode
) == mode
))
2369 if ( (((mode
& SSL_SESS_CACHE_CLIENT
)
2370 ?s
->session_ctx
->stats
.sess_connect_good
2371 :s
->session_ctx
->stats
.sess_accept_good
) & 0xff) == 0xff)
2373 SSL_CTX_flush_sessions(s
->session_ctx
,(unsigned long)time(NULL
));
2378 const SSL_METHOD
*SSL_get_ssl_method(SSL
*s
)
2383 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
2388 if (s
->method
!= meth
)
2390 if (s
->handshake_func
!= NULL
)
2391 conn
=(s
->handshake_func
== s
->method
->ssl_connect
);
2393 if (s
->method
->version
== meth
->version
)
2397 s
->method
->ssl_free(s
);
2399 ret
=s
->method
->ssl_new(s
);
2403 s
->handshake_func
=meth
->ssl_connect
;
2405 s
->handshake_func
=meth
->ssl_accept
;
2410 int SSL_get_error(const SSL
*s
,int i
)
2416 if (i
> 0) return(SSL_ERROR_NONE
);
2418 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
2419 * etc, where we do encode the error */
2420 if ((l
=ERR_peek_error()) != 0)
2422 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
2423 return(SSL_ERROR_SYSCALL
);
2425 return(SSL_ERROR_SSL
);
2428 if ((i
< 0) && SSL_want_read(s
))
2430 bio
=SSL_get_rbio(s
);
2431 if (BIO_should_read(bio
))
2432 return(SSL_ERROR_WANT_READ
);
2433 else if (BIO_should_write(bio
))
2434 /* This one doesn't make too much sense ... We never try
2435 * to write to the rbio, and an application program where
2436 * rbio and wbio are separate couldn't even know what it
2438 * However if we ever set s->rwstate incorrectly
2439 * (so that we have SSL_want_read(s) instead of
2440 * SSL_want_write(s)) and rbio and wbio *are* the same,
2441 * this test works around that bug; so it might be safer
2443 return(SSL_ERROR_WANT_WRITE
);
2444 else if (BIO_should_io_special(bio
))
2446 reason
=BIO_get_retry_reason(bio
);
2447 if (reason
== BIO_RR_CONNECT
)
2448 return(SSL_ERROR_WANT_CONNECT
);
2449 else if (reason
== BIO_RR_ACCEPT
)
2450 return(SSL_ERROR_WANT_ACCEPT
);
2452 return(SSL_ERROR_SYSCALL
); /* unknown */
2456 if ((i
< 0) && SSL_want_write(s
))
2458 bio
=SSL_get_wbio(s
);
2459 if (BIO_should_write(bio
))
2460 return(SSL_ERROR_WANT_WRITE
);
2461 else if (BIO_should_read(bio
))
2462 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
2463 return(SSL_ERROR_WANT_READ
);
2464 else if (BIO_should_io_special(bio
))
2466 reason
=BIO_get_retry_reason(bio
);
2467 if (reason
== BIO_RR_CONNECT
)
2468 return(SSL_ERROR_WANT_CONNECT
);
2469 else if (reason
== BIO_RR_ACCEPT
)
2470 return(SSL_ERROR_WANT_ACCEPT
);
2472 return(SSL_ERROR_SYSCALL
);
2475 if ((i
< 0) && SSL_want_x509_lookup(s
))
2477 return(SSL_ERROR_WANT_X509_LOOKUP
);
2482 if (s
->version
== SSL2_VERSION
)
2484 /* assume it is the socket being closed */
2485 return(SSL_ERROR_ZERO_RETURN
);
2489 if ((s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
2490 (s
->s3
->warn_alert
== SSL_AD_CLOSE_NOTIFY
))
2491 return(SSL_ERROR_ZERO_RETURN
);
2494 return(SSL_ERROR_SYSCALL
);
2497 int SSL_do_handshake(SSL
*s
)
2501 if (s
->handshake_func
== NULL
)
2503 SSLerr(SSL_F_SSL_DO_HANDSHAKE
,SSL_R_CONNECTION_TYPE_NOT_SET
);
2507 s
->method
->ssl_renegotiate_check(s
);
2509 if (SSL_in_init(s
) || SSL_in_before(s
))
2511 ret
=s
->handshake_func(s
);
2516 /* For the next 2 functions, SSL_clear() sets shutdown and so
2517 * one of these calls will reset it */
2518 void SSL_set_accept_state(SSL
*s
)
2522 s
->state
=SSL_ST_ACCEPT
|SSL_ST_BEFORE
;
2523 s
->handshake_func
=s
->method
->ssl_accept
;
2524 /* clear the current cipher */
2525 ssl_clear_cipher_ctx(s
);
2526 ssl_clear_hash_ctx(&s
->read_hash
);
2527 ssl_clear_hash_ctx(&s
->write_hash
);
2530 void SSL_set_connect_state(SSL
*s
)
2534 s
->state
=SSL_ST_CONNECT
|SSL_ST_BEFORE
;
2535 s
->handshake_func
=s
->method
->ssl_connect
;
2536 /* clear the current cipher */
2537 ssl_clear_cipher_ctx(s
);
2538 ssl_clear_hash_ctx(&s
->read_hash
);
2539 ssl_clear_hash_ctx(&s
->write_hash
);
2542 int ssl_undefined_function(SSL
*s
)
2544 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2548 int ssl_undefined_void_function(void)
2550 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2554 int ssl_undefined_const_function(const SSL
*s
)
2556 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2560 SSL_METHOD
*ssl_bad_method(int ver
)
2562 SSLerr(SSL_F_SSL_BAD_METHOD
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2566 const char *SSL_get_version(const SSL
*s
)
2568 if (s
->version
== TLS1_1_VERSION
)
2570 else if (s
->version
== TLS1_VERSION
)
2572 else if (s
->version
== SSL3_VERSION
)
2574 else if (s
->version
== SSL2_VERSION
)
2580 SSL
*SSL_dup(SSL
*s
)
2582 STACK_OF(X509_NAME
) *sk
;
2587 if ((ret
=SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
2590 ret
->version
= s
->version
;
2591 ret
->type
= s
->type
;
2592 ret
->method
= s
->method
;
2594 if (s
->session
!= NULL
)
2596 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2597 SSL_copy_session_id(ret
,s
);
2601 /* No session has been established yet, so we have to expect
2602 * that s->cert or ret->cert will be changed later --
2603 * they should not both point to the same object,
2604 * and thus we can't use SSL_copy_session_id. */
2606 ret
->method
->ssl_free(ret
);
2607 ret
->method
= s
->method
;
2608 ret
->method
->ssl_new(ret
);
2610 if (s
->cert
!= NULL
)
2612 if (ret
->cert
!= NULL
)
2614 ssl_cert_free(ret
->cert
);
2616 ret
->cert
= ssl_cert_dup(s
->cert
);
2617 if (ret
->cert
== NULL
)
2621 SSL_set_session_id_context(ret
,
2622 s
->sid_ctx
, s
->sid_ctx_length
);
2625 ret
->options
=s
->options
;
2627 SSL_set_max_cert_list(ret
,SSL_get_max_cert_list(s
));
2628 SSL_set_read_ahead(ret
,SSL_get_read_ahead(s
));
2629 ret
->msg_callback
= s
->msg_callback
;
2630 ret
->msg_callback_arg
= s
->msg_callback_arg
;
2631 SSL_set_verify(ret
,SSL_get_verify_mode(s
),
2632 SSL_get_verify_callback(s
));
2633 SSL_set_verify_depth(ret
,SSL_get_verify_depth(s
));
2634 ret
->generate_session_id
= s
->generate_session_id
;
2636 SSL_set_info_callback(ret
,SSL_get_info_callback(s
));
2638 ret
->debug
=s
->debug
;
2640 /* copy app data, a little dangerous perhaps */
2641 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
2644 /* setup rbio, and wbio */
2645 if (s
->rbio
!= NULL
)
2647 if (!BIO_dup_state(s
->rbio
,(char *)&ret
->rbio
))
2650 if (s
->wbio
!= NULL
)
2652 if (s
->wbio
!= s
->rbio
)
2654 if (!BIO_dup_state(s
->wbio
,(char *)&ret
->wbio
))
2658 ret
->wbio
=ret
->rbio
;
2660 ret
->rwstate
= s
->rwstate
;
2661 ret
->in_handshake
= s
->in_handshake
;
2662 ret
->handshake_func
= s
->handshake_func
;
2663 ret
->server
= s
->server
;
2664 ret
->renegotiate
= s
->renegotiate
;
2665 ret
->new_session
= s
->new_session
;
2666 ret
->quiet_shutdown
= s
->quiet_shutdown
;
2667 ret
->shutdown
=s
->shutdown
;
2668 ret
->state
=s
->state
; /* SSL_dup does not really work at any state, though */
2669 ret
->rstate
=s
->rstate
;
2670 ret
->init_num
= 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
2673 X509_VERIFY_PARAM_inherit(ret
->param
, s
->param
);
2675 /* dup the cipher_list and cipher_list_by_id stacks */
2676 if (s
->cipher_list
!= NULL
)
2678 if ((ret
->cipher_list
=sk_SSL_CIPHER_dup(s
->cipher_list
)) == NULL
)
2681 if (s
->cipher_list_by_id
!= NULL
)
2682 if ((ret
->cipher_list_by_id
=sk_SSL_CIPHER_dup(s
->cipher_list_by_id
))
2686 /* Dup the client_CA list */
2687 if (s
->client_CA
!= NULL
)
2689 if ((sk
=sk_X509_NAME_dup(s
->client_CA
)) == NULL
) goto err
;
2691 for (i
=0; i
<sk_X509_NAME_num(sk
); i
++)
2693 xn
=sk_X509_NAME_value(sk
,i
);
2694 if (sk_X509_NAME_set(sk
,i
,X509_NAME_dup(xn
)) == NULL
)
2705 if (ret
!= NULL
) SSL_free(ret
);
2711 void ssl_clear_cipher_ctx(SSL
*s
)
2713 if (s
->enc_read_ctx
!= NULL
)
2715 EVP_CIPHER_CTX_cleanup(s
->enc_read_ctx
);
2716 OPENSSL_free(s
->enc_read_ctx
);
2717 s
->enc_read_ctx
=NULL
;
2719 if (s
->enc_write_ctx
!= NULL
)
2721 EVP_CIPHER_CTX_cleanup(s
->enc_write_ctx
);
2722 OPENSSL_free(s
->enc_write_ctx
);
2723 s
->enc_write_ctx
=NULL
;
2725 #ifndef OPENSSL_NO_COMP
2726 if (s
->expand
!= NULL
)
2728 COMP_CTX_free(s
->expand
);
2731 if (s
->compress
!= NULL
)
2733 COMP_CTX_free(s
->compress
);
2739 /* Fix this function so that it takes an optional type parameter */
2740 X509
*SSL_get_certificate(const SSL
*s
)
2742 if (s
->cert
!= NULL
)
2743 return(s
->cert
->key
->x509
);
2748 /* Fix this function so that it takes an optional type parameter */
2749 EVP_PKEY
*SSL_get_privatekey(SSL
*s
)
2751 if (s
->cert
!= NULL
)
2752 return(s
->cert
->key
->privatekey
);
2757 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
2759 if ((s
->session
!= NULL
) && (s
->session
->cipher
!= NULL
))
2760 return(s
->session
->cipher
);
2763 #ifdef OPENSSL_NO_COMP
2764 const void *SSL_get_current_compression(SSL
*s
)
2768 const void *SSL_get_current_expansion(SSL
*s
)
2774 const COMP_METHOD
*SSL_get_current_compression(SSL
*s
)
2776 if (s
->compress
!= NULL
)
2777 return(s
->compress
->meth
);
2781 const COMP_METHOD
*SSL_get_current_expansion(SSL
*s
)
2783 if (s
->expand
!= NULL
)
2784 return(s
->expand
->meth
);
2789 int ssl_init_wbio_buffer(SSL
*s
,int push
)
2793 if (s
->bbio
== NULL
)
2795 bbio
=BIO_new(BIO_f_buffer());
2796 if (bbio
== NULL
) return(0);
2802 if (s
->bbio
== s
->wbio
)
2803 s
->wbio
=BIO_pop(s
->wbio
);
2805 (void)BIO_reset(bbio
);
2806 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2807 if (!BIO_set_read_buffer_size(bbio
,1))
2809 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER
,ERR_R_BUF_LIB
);
2814 if (s
->wbio
!= bbio
)
2815 s
->wbio
=BIO_push(bbio
,s
->wbio
);
2819 if (s
->wbio
== bbio
)
2820 s
->wbio
=BIO_pop(bbio
);
2825 void ssl_free_wbio_buffer(SSL
*s
)
2827 if (s
->bbio
== NULL
) return;
2829 if (s
->bbio
== s
->wbio
)
2831 /* remove buffering */
2832 s
->wbio
=BIO_pop(s
->wbio
);
2833 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
2834 assert(s
->wbio
!= NULL
);
2841 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
,int mode
)
2843 ctx
->quiet_shutdown
=mode
;
2846 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
2848 return(ctx
->quiet_shutdown
);
2851 void SSL_set_quiet_shutdown(SSL
*s
,int mode
)
2853 s
->quiet_shutdown
=mode
;
2856 int SSL_get_quiet_shutdown(const SSL
*s
)
2858 return(s
->quiet_shutdown
);
2861 void SSL_set_shutdown(SSL
*s
,int mode
)
2866 int SSL_get_shutdown(const SSL
*s
)
2868 return(s
->shutdown
);
2871 int SSL_version(const SSL
*s
)
2876 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
2881 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
* ctx
)
2883 if (ssl
->ctx
== ctx
)
2885 #ifndef OPENSSL_NO_TLSEXT
2887 ctx
= ssl
->initial_ctx
;
2889 if (ssl
->cert
!= NULL
)
2890 ssl_cert_free(ssl
->cert
);
2891 ssl
->cert
= ssl_cert_dup(ctx
->cert
);
2892 CRYPTO_add(&ctx
->references
,1,CRYPTO_LOCK_SSL_CTX
);
2893 if (ssl
->ctx
!= NULL
)
2894 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
2899 #ifndef OPENSSL_NO_STDIO
2900 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
2902 return(X509_STORE_set_default_paths(ctx
->cert_store
));
2905 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
2908 return(X509_STORE_load_locations(ctx
->cert_store
,CAfile
,CApath
));
2912 void SSL_set_info_callback(SSL
*ssl
,
2913 void (*cb
)(const SSL
*ssl
,int type
,int val
))
2915 ssl
->info_callback
=cb
;
2918 /* One compiler (Diab DCC) doesn't like argument names in returned
2919 function pointer. */
2920 void (*SSL_get_info_callback(const SSL
*ssl
))(const SSL
* /*ssl*/,int /*type*/,int /*val*/)
2922 return ssl
->info_callback
;
2925 int SSL_state(const SSL
*ssl
)
2930 void SSL_set_verify_result(SSL
*ssl
,long arg
)
2932 ssl
->verify_result
=arg
;
2935 long SSL_get_verify_result(const SSL
*ssl
)
2937 return(ssl
->verify_result
);
2940 int SSL_get_ex_new_index(long argl
,void *argp
,CRYPTO_EX_new
*new_func
,
2941 CRYPTO_EX_dup
*dup_func
,CRYPTO_EX_free
*free_func
)
2943 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL
, argl
, argp
,
2944 new_func
, dup_func
, free_func
);
2947 int SSL_set_ex_data(SSL
*s
,int idx
,void *arg
)
2949 return(CRYPTO_set_ex_data(&s
->ex_data
,idx
,arg
));
2952 void *SSL_get_ex_data(const SSL
*s
,int idx
)
2954 return(CRYPTO_get_ex_data(&s
->ex_data
,idx
));
2957 int SSL_CTX_get_ex_new_index(long argl
,void *argp
,CRYPTO_EX_new
*new_func
,
2958 CRYPTO_EX_dup
*dup_func
,CRYPTO_EX_free
*free_func
)
2960 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX
, argl
, argp
,
2961 new_func
, dup_func
, free_func
);
2964 int SSL_CTX_set_ex_data(SSL_CTX
*s
,int idx
,void *arg
)
2966 return(CRYPTO_set_ex_data(&s
->ex_data
,idx
,arg
));
2969 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
,int idx
)
2971 return(CRYPTO_get_ex_data(&s
->ex_data
,idx
));
2979 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
2981 return(ctx
->cert_store
);
2984 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
,X509_STORE
*store
)
2986 if (ctx
->cert_store
!= NULL
)
2987 X509_STORE_free(ctx
->cert_store
);
2988 ctx
->cert_store
=store
;
2991 int SSL_want(const SSL
*s
)
2997 * \brief Set the callback for generating temporary RSA keys.
2998 * \param ctx the SSL context.
2999 * \param cb the callback
3002 #ifndef OPENSSL_NO_RSA
3003 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX
*ctx
,RSA
*(*cb
)(SSL
*ssl
,
3007 SSL_CTX_callback_ctrl(ctx
,SSL_CTRL_SET_TMP_RSA_CB
,(void (*)(void))cb
);
3010 void SSL_set_tmp_rsa_callback(SSL
*ssl
,RSA
*(*cb
)(SSL
*ssl
,
3014 SSL_callback_ctrl(ssl
,SSL_CTRL_SET_TMP_RSA_CB
,(void (*)(void))cb
);
3020 * \brief The RSA temporary key callback function.
3021 * \param ssl the SSL session.
3022 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
3023 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
3024 * of the required key in bits.
3025 * \return the temporary RSA key.
3026 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
3029 RSA
*cb(SSL
*ssl
,int is_export
,int keylength
)
3034 * \brief Set the callback for generating temporary DH keys.
3035 * \param ctx the SSL context.
3036 * \param dh the callback
3039 #ifndef OPENSSL_NO_DH
3040 void SSL_CTX_set_tmp_dh_callback(SSL_CTX
*ctx
,DH
*(*dh
)(SSL
*ssl
,int is_export
,
3043 SSL_CTX_callback_ctrl(ctx
,SSL_CTRL_SET_TMP_DH_CB
,(void (*)(void))dh
);
3046 void SSL_set_tmp_dh_callback(SSL
*ssl
,DH
*(*dh
)(SSL
*ssl
,int is_export
,
3049 SSL_callback_ctrl(ssl
,SSL_CTRL_SET_TMP_DH_CB
,(void (*)(void))dh
);
3053 #ifndef OPENSSL_NO_ECDH
3054 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX
*ctx
,EC_KEY
*(*ecdh
)(SSL
*ssl
,int is_export
,
3057 SSL_CTX_callback_ctrl(ctx
,SSL_CTRL_SET_TMP_ECDH_CB
,(void (*)(void))ecdh
);
3060 void SSL_set_tmp_ecdh_callback(SSL
*ssl
,EC_KEY
*(*ecdh
)(SSL
*ssl
,int is_export
,
3063 SSL_callback_ctrl(ssl
,SSL_CTRL_SET_TMP_ECDH_CB
,(void (*)(void))ecdh
);
3067 #ifndef OPENSSL_NO_PSK
3068 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
3070 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
)
3072 SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
3075 if (ctx
->psk_identity_hint
!= NULL
)
3076 OPENSSL_free(ctx
->psk_identity_hint
);
3077 if (identity_hint
!= NULL
)
3079 ctx
->psk_identity_hint
= BUF_strdup(identity_hint
);
3080 if (ctx
->psk_identity_hint
== NULL
)
3084 ctx
->psk_identity_hint
= NULL
;
3088 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
3093 if (s
->session
== NULL
)
3094 return 1; /* session not created yet, ignored */
3096 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
)
3098 SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
3101 if (s
->session
->psk_identity_hint
!= NULL
)
3102 OPENSSL_free(s
->session
->psk_identity_hint
);
3103 if (identity_hint
!= NULL
)
3105 s
->session
->psk_identity_hint
= BUF_strdup(identity_hint
);
3106 if (s
->session
->psk_identity_hint
== NULL
)
3110 s
->session
->psk_identity_hint
= NULL
;
3114 const char *SSL_get_psk_identity_hint(const SSL
*s
)
3116 if (s
== NULL
|| s
->session
== NULL
)
3118 return(s
->session
->psk_identity_hint
);
3121 const char *SSL_get_psk_identity(const SSL
*s
)
3123 if (s
== NULL
|| s
->session
== NULL
)
3125 return(s
->session
->psk_identity
);
3128 void SSL_set_psk_client_callback(SSL
*s
,
3129 unsigned int (*cb
)(SSL
*ssl
, const char *hint
,
3130 char *identity
, unsigned int max_identity_len
, unsigned char *psk
,
3131 unsigned int max_psk_len
))
3133 s
->psk_client_callback
= cb
;
3136 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
,
3137 unsigned int (*cb
)(SSL
*ssl
, const char *hint
,
3138 char *identity
, unsigned int max_identity_len
, unsigned char *psk
,
3139 unsigned int max_psk_len
))
3141 ctx
->psk_client_callback
= cb
;
3144 void SSL_set_psk_server_callback(SSL
*s
,
3145 unsigned int (*cb
)(SSL
*ssl
, const char *identity
,
3146 unsigned char *psk
, unsigned int max_psk_len
))
3148 s
->psk_server_callback
= cb
;
3151 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
,
3152 unsigned int (*cb
)(SSL
*ssl
, const char *identity
,
3153 unsigned char *psk
, unsigned int max_psk_len
))
3155 ctx
->psk_server_callback
= cb
;
3159 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
))
3161 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3163 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
))
3165 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3168 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX
*ctx
,
3169 int (*cb
)(SSL
*ssl
, int is_forward_secure
))
3171 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3172 (void (*)(void))cb
);
3174 void SSL_set_not_resumable_session_callback(SSL
*ssl
,
3175 int (*cb
)(SSL
*ssl
, int is_forward_secure
))
3177 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3178 (void (*)(void))cb
);
3181 /* Allocates new EVP_MD_CTX and sets pointer to it into given pointer
3182 * vairable, freeing EVP_MD_CTX previously stored in that variable, if
3183 * any. If EVP_MD pointer is passed, initializes ctx with this md
3184 * Returns newly allocated ctx;
3187 EVP_MD_CTX
*ssl_replace_hash(EVP_MD_CTX
**hash
,const EVP_MD
*md
)
3189 ssl_clear_hash_ctx(hash
);
3190 *hash
= EVP_MD_CTX_create();
3191 if (md
) EVP_DigestInit_ex(*hash
,md
,NULL
);
3194 void ssl_clear_hash_ctx(EVP_MD_CTX
**hash
)
3197 if (*hash
) EVP_MD_CTX_destroy(*hash
);
3201 #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
3202 #include "../crypto/bio/bss_file.c"
3205 IMPLEMENT_STACK_OF(SSL_CIPHER
)
3206 IMPLEMENT_STACK_OF(SSL_COMP
)
3207 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
,