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
;
323 s
->verify_depth
=ctx
->verify_depth
;
325 s
->sid_ctx_length
=ctx
->sid_ctx_length
;
326 OPENSSL_assert(s
->sid_ctx_length
<= sizeof s
->sid_ctx
);
327 memcpy(&s
->sid_ctx
,&ctx
->sid_ctx
,sizeof(s
->sid_ctx
));
328 s
->verify_callback
=ctx
->default_verify_callback
;
329 s
->generate_session_id
=ctx
->generate_session_id
;
331 s
->param
= X509_VERIFY_PARAM_new();
334 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
336 s
->purpose
= ctx
->purpose
;
337 s
->trust
= ctx
->trust
;
339 s
->quiet_shutdown
=ctx
->quiet_shutdown
;
340 s
->max_send_fragment
= ctx
->max_send_fragment
;
342 CRYPTO_add(&ctx
->references
,1,CRYPTO_LOCK_SSL_CTX
);
344 #ifndef OPENSSL_NO_TLSEXT
345 s
->tlsext_debug_cb
= 0;
346 s
->tlsext_debug_arg
= NULL
;
347 s
->tlsext_ticket_expected
= 0;
348 s
->tlsext_status_type
= -1;
349 s
->tlsext_status_expected
= 0;
350 s
->tlsext_ocsp_ids
= NULL
;
351 s
->tlsext_ocsp_exts
= NULL
;
352 s
->tlsext_ocsp_resp
= NULL
;
353 s
->tlsext_ocsp_resplen
= -1;
354 CRYPTO_add(&ctx
->references
,1,CRYPTO_LOCK_SSL_CTX
);
358 s
->verify_result
=X509_V_OK
;
360 s
->method
=ctx
->method
;
362 if (!s
->method
->ssl_new(s
))
366 s
->server
=(ctx
->method
->ssl_accept
== ssl_undefined_function
)?0:1;
370 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
372 #ifndef OPENSSL_NO_PSK
373 s
->psk_client_callback
=ctx
->psk_client_callback
;
374 s
->psk_server_callback
=ctx
->psk_server_callback
;
382 ssl_cert_free(s
->cert
);
384 SSL_CTX_free(s
->ctx
); /* decrement reference count */
387 SSLerr(SSL_F_SSL_NEW
,ERR_R_MALLOC_FAILURE
);
391 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
,const unsigned char *sid_ctx
,
392 unsigned int sid_ctx_len
)
394 if(sid_ctx_len
> sizeof ctx
->sid_ctx
)
396 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT
,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
399 ctx
->sid_ctx_length
=sid_ctx_len
;
400 memcpy(ctx
->sid_ctx
,sid_ctx
,sid_ctx_len
);
405 int SSL_set_session_id_context(SSL
*ssl
,const unsigned char *sid_ctx
,
406 unsigned int sid_ctx_len
)
408 if(sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
)
410 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT
,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
413 ssl
->sid_ctx_length
=sid_ctx_len
;
414 memcpy(ssl
->sid_ctx
,sid_ctx
,sid_ctx_len
);
419 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
421 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX
);
422 ctx
->generate_session_id
= cb
;
423 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX
);
427 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
429 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
430 ssl
->generate_session_id
= cb
;
431 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
435 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
438 /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
439 * we can "construct" a session to give us the desired check - ie. to
440 * find if there's a session in the hash table that would conflict with
441 * any new session built out of this id/id_len and the ssl_version in
442 * use by this SSL. */
445 if(id_len
> sizeof r
.session_id
)
448 r
.ssl_version
= ssl
->version
;
449 r
.session_id_length
= id_len
;
450 memcpy(r
.session_id
, id
, id_len
);
451 /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
452 * callback is calling us to check the uniqueness of a shorter ID, it
453 * must be compared as a padded-out ID because that is what it will be
454 * converted to when the callback has finished choosing it. */
455 if((r
.ssl_version
== SSL2_VERSION
) &&
456 (id_len
< SSL2_SSL_SESSION_ID_LENGTH
))
458 memset(r
.session_id
+ id_len
, 0,
459 SSL2_SSL_SESSION_ID_LENGTH
- id_len
);
460 r
.session_id_length
= SSL2_SSL_SESSION_ID_LENGTH
;
463 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX
);
464 p
= lh_SSL_SESSION_retrieve(ssl
->ctx
->sessions
, &r
);
465 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX
);
469 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
471 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
474 int SSL_set_purpose(SSL
*s
, int purpose
)
476 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
479 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
481 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
484 int SSL_set_trust(SSL
*s
, int trust
)
486 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
489 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
491 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
494 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
496 return X509_VERIFY_PARAM_set1(ssl
->param
, vpm
);
499 void SSL_free(SSL
*s
)
506 i
=CRYPTO_add(&s
->references
,-1,CRYPTO_LOCK_SSL
);
514 fprintf(stderr
,"SSL_free, bad reference count\n");
520 X509_VERIFY_PARAM_free(s
->param
);
522 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
526 /* If the buffering BIO is in place, pop it off */
527 if (s
->bbio
== s
->wbio
)
529 s
->wbio
=BIO_pop(s
->wbio
);
535 BIO_free_all(s
->rbio
);
536 if ((s
->wbio
!= NULL
) && (s
->wbio
!= s
->rbio
))
537 BIO_free_all(s
->wbio
);
539 if (s
->init_buf
!= NULL
) BUF_MEM_free(s
->init_buf
);
541 /* add extra stuff */
542 if (s
->cipher_list
!= NULL
) sk_SSL_CIPHER_free(s
->cipher_list
);
543 if (s
->cipher_list_by_id
!= NULL
) sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
545 /* Make the next call work :-) */
546 if (s
->session
!= NULL
)
548 ssl_clear_bad_session(s
);
549 SSL_SESSION_free(s
->session
);
552 ssl_clear_cipher_ctx(s
);
553 ssl_clear_hash_ctx(&s
->read_hash
);
554 ssl_clear_hash_ctx(&s
->write_hash
);
556 if (s
->cert
!= NULL
) ssl_cert_free(s
->cert
);
557 /* Free up if allocated */
559 #ifndef OPENSSL_NO_TLSEXT
560 if (s
->tlsext_hostname
)
561 OPENSSL_free(s
->tlsext_hostname
);
562 if (s
->initial_ctx
) SSL_CTX_free(s
->initial_ctx
);
563 #ifndef OPENSSL_NO_EC
564 if (s
->tlsext_ecpointformatlist
) OPENSSL_free(s
->tlsext_ecpointformatlist
);
565 if (s
->tlsext_ellipticcurvelist
) OPENSSL_free(s
->tlsext_ellipticcurvelist
);
566 #endif /* OPENSSL_NO_EC */
567 if (s
->tlsext_opaque_prf_input
) OPENSSL_free(s
->tlsext_opaque_prf_input
);
568 if (s
->tlsext_ocsp_exts
)
569 sk_X509_EXTENSION_pop_free(s
->tlsext_ocsp_exts
,
570 X509_EXTENSION_free
);
571 if (s
->tlsext_ocsp_ids
)
572 sk_OCSP_RESPID_pop_free(s
->tlsext_ocsp_ids
, OCSP_RESPID_free
);
573 if (s
->tlsext_ocsp_resp
)
574 OPENSSL_free(s
->tlsext_ocsp_resp
);
577 if (s
->client_CA
!= NULL
)
578 sk_X509_NAME_pop_free(s
->client_CA
,X509_NAME_free
);
580 if (s
->method
!= NULL
) s
->method
->ssl_free(s
);
582 if (s
->ctx
) SSL_CTX_free(s
->ctx
);
584 #ifndef OPENSSL_NO_KRB5
585 if (s
->kssl_ctx
!= NULL
)
586 kssl_ctx_free(s
->kssl_ctx
);
587 #endif /* OPENSSL_NO_KRB5 */
592 void SSL_set_bio(SSL
*s
,BIO
*rbio
,BIO
*wbio
)
594 /* If the output buffering BIO is still in place, remove it
598 if (s
->wbio
== s
->bbio
)
600 s
->wbio
=s
->wbio
->next_bio
;
601 s
->bbio
->next_bio
=NULL
;
604 if ((s
->rbio
!= NULL
) && (s
->rbio
!= rbio
))
605 BIO_free_all(s
->rbio
);
606 if ((s
->wbio
!= NULL
) && (s
->wbio
!= wbio
) && (s
->rbio
!= s
->wbio
))
607 BIO_free_all(s
->wbio
);
612 BIO
*SSL_get_rbio(const SSL
*s
)
615 BIO
*SSL_get_wbio(const SSL
*s
)
618 int SSL_get_fd(const SSL
*s
)
620 return(SSL_get_rfd(s
));
623 int SSL_get_rfd(const SSL
*s
)
629 r
=BIO_find_type(b
,BIO_TYPE_DESCRIPTOR
);
635 int SSL_get_wfd(const SSL
*s
)
641 r
=BIO_find_type(b
,BIO_TYPE_DESCRIPTOR
);
647 #ifndef OPENSSL_NO_SOCK
648 int SSL_set_fd(SSL
*s
,int fd
)
653 bio
=BIO_new(BIO_s_socket());
657 SSLerr(SSL_F_SSL_SET_FD
,ERR_R_BUF_LIB
);
660 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
661 SSL_set_bio(s
,bio
,bio
);
667 int SSL_set_wfd(SSL
*s
,int fd
)
672 if ((s
->rbio
== NULL
) || (BIO_method_type(s
->rbio
) != BIO_TYPE_SOCKET
)
673 || ((int)BIO_get_fd(s
->rbio
,NULL
) != fd
))
675 bio
=BIO_new(BIO_s_socket());
678 { SSLerr(SSL_F_SSL_SET_WFD
,ERR_R_BUF_LIB
); goto err
; }
679 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
680 SSL_set_bio(s
,SSL_get_rbio(s
),bio
);
683 SSL_set_bio(s
,SSL_get_rbio(s
),SSL_get_rbio(s
));
689 int SSL_set_rfd(SSL
*s
,int fd
)
694 if ((s
->wbio
== NULL
) || (BIO_method_type(s
->wbio
) != BIO_TYPE_SOCKET
)
695 || ((int)BIO_get_fd(s
->wbio
,NULL
) != fd
))
697 bio
=BIO_new(BIO_s_socket());
701 SSLerr(SSL_F_SSL_SET_RFD
,ERR_R_BUF_LIB
);
704 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
705 SSL_set_bio(s
,bio
,SSL_get_wbio(s
));
708 SSL_set_bio(s
,SSL_get_wbio(s
),SSL_get_wbio(s
));
716 /* return length of latest Finished message we sent, copy to 'buf' */
717 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
723 ret
= s
->s3
->tmp
.finish_md_len
;
726 memcpy(buf
, s
->s3
->tmp
.finish_md
, count
);
731 /* return length of latest Finished message we expected, copy to 'buf' */
732 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
738 ret
= s
->s3
->tmp
.peer_finish_md_len
;
741 memcpy(buf
, s
->s3
->tmp
.peer_finish_md
, count
);
747 int SSL_get_verify_mode(const SSL
*s
)
749 return(s
->verify_mode
);
752 int SSL_get_verify_depth(const SSL
*s
)
754 return X509_VERIFY_PARAM_get_depth(s
->param
);
757 int (*SSL_get_verify_callback(const SSL
*s
))(int,X509_STORE_CTX
*)
759 return(s
->verify_callback
);
762 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
764 return(ctx
->verify_mode
);
767 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
769 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
772 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
))(int,X509_STORE_CTX
*)
774 return(ctx
->default_verify_callback
);
777 void SSL_set_verify(SSL
*s
,int mode
,
778 int (*callback
)(int ok
,X509_STORE_CTX
*ctx
))
781 if (callback
!= NULL
)
782 s
->verify_callback
=callback
;
785 void SSL_set_verify_depth(SSL
*s
,int depth
)
787 X509_VERIFY_PARAM_set_depth(s
->param
, depth
);
790 void SSL_set_read_ahead(SSL
*s
,int yes
)
795 int SSL_get_read_ahead(const SSL
*s
)
797 return(s
->read_ahead
);
800 int SSL_pending(const SSL
*s
)
802 /* SSL_pending cannot work properly if read-ahead is enabled
803 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
804 * and it is impossible to fix since SSL_pending cannot report
805 * errors that may be observed while scanning the new data.
806 * (Note that SSL_pending() is often used as a boolean value,
807 * so we'd better not return -1.)
809 return(s
->method
->ssl_pending(s
));
812 X509
*SSL_get_peer_certificate(const SSL
*s
)
816 if ((s
== NULL
) || (s
->session
== NULL
))
821 if (r
== NULL
) return(r
);
823 CRYPTO_add(&r
->references
,1,CRYPTO_LOCK_X509
);
828 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
832 if ((s
== NULL
) || (s
->session
== NULL
) || (s
->session
->sess_cert
== NULL
))
835 r
=s
->session
->sess_cert
->cert_chain
;
837 /* If we are a client, cert_chain includes the peer's own
838 * certificate; if we are a server, it does not. */
843 /* Now in theory, since the calling process own 't' it should be safe to
844 * modify. We need to be able to read f without being hassled */
845 void SSL_copy_session_id(SSL
*t
,const SSL
*f
)
849 /* Do we need to to SSL locking? */
850 SSL_set_session(t
,SSL_get_session(f
));
852 /* what if we are setup as SSLv2 but want to talk SSLv3 or
854 if (t
->method
!= f
->method
)
856 t
->method
->ssl_free(t
); /* cleanup current */
857 t
->method
=f
->method
; /* change method */
858 t
->method
->ssl_new(t
); /* setup new */
864 CRYPTO_add(&f
->cert
->references
,1,CRYPTO_LOCK_SSL_CERT
);
869 if (tmp
!= NULL
) ssl_cert_free(tmp
);
870 SSL_set_session_id_context(t
,f
->sid_ctx
,f
->sid_ctx_length
);
873 /* Fix this so it checks all the valid key/cert options */
874 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
876 if ( (ctx
== NULL
) ||
877 (ctx
->cert
== NULL
) ||
878 (ctx
->cert
->key
->x509
== NULL
))
880 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,SSL_R_NO_CERTIFICATE_ASSIGNED
);
883 if (ctx
->cert
->key
->privatekey
== NULL
)
885 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
888 return(X509_check_private_key(ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
));
891 /* Fix this function so that it takes an optional type parameter */
892 int SSL_check_private_key(const SSL
*ssl
)
896 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,ERR_R_PASSED_NULL_PARAMETER
);
899 if (ssl
->cert
== NULL
)
901 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,SSL_R_NO_CERTIFICATE_ASSIGNED
);
904 if (ssl
->cert
->key
->x509
== NULL
)
906 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,SSL_R_NO_CERTIFICATE_ASSIGNED
);
909 if (ssl
->cert
->key
->privatekey
== NULL
)
911 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
914 return(X509_check_private_key(ssl
->cert
->key
->x509
,
915 ssl
->cert
->key
->privatekey
));
918 int SSL_accept(SSL
*s
)
920 if (s
->handshake_func
== 0)
921 /* Not properly initialized yet */
922 SSL_set_accept_state(s
);
924 return(s
->method
->ssl_accept(s
));
927 int SSL_connect(SSL
*s
)
929 if (s
->handshake_func
== 0)
930 /* Not properly initialized yet */
931 SSL_set_connect_state(s
);
933 return(s
->method
->ssl_connect(s
));
936 long SSL_get_default_timeout(const SSL
*s
)
938 return(s
->method
->get_timeout());
941 int SSL_read(SSL
*s
,void *buf
,int num
)
943 if (s
->handshake_func
== 0)
945 SSLerr(SSL_F_SSL_READ
, SSL_R_UNINITIALIZED
);
949 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
)
951 s
->rwstate
=SSL_NOTHING
;
954 return(s
->method
->ssl_read(s
,buf
,num
));
957 int SSL_peek(SSL
*s
,void *buf
,int num
)
959 if (s
->handshake_func
== 0)
961 SSLerr(SSL_F_SSL_PEEK
, SSL_R_UNINITIALIZED
);
965 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
)
969 return(s
->method
->ssl_peek(s
,buf
,num
));
972 int SSL_write(SSL
*s
,const void *buf
,int num
)
974 if (s
->handshake_func
== 0)
976 SSLerr(SSL_F_SSL_WRITE
, SSL_R_UNINITIALIZED
);
980 if (s
->shutdown
& SSL_SENT_SHUTDOWN
)
982 s
->rwstate
=SSL_NOTHING
;
983 SSLerr(SSL_F_SSL_WRITE
,SSL_R_PROTOCOL_IS_SHUTDOWN
);
986 return(s
->method
->ssl_write(s
,buf
,num
));
989 int SSL_shutdown(SSL
*s
)
991 /* Note that this function behaves differently from what one might
992 * expect. Return values are 0 for no success (yet),
993 * 1 for success; but calling it once is usually not enough,
994 * even if blocking I/O is used (see ssl3_shutdown).
997 if (s
->handshake_func
== 0)
999 SSLerr(SSL_F_SSL_SHUTDOWN
, SSL_R_UNINITIALIZED
);
1003 if ((s
!= NULL
) && !SSL_in_init(s
))
1004 return(s
->method
->ssl_shutdown(s
));
1009 int SSL_renegotiate(SSL
*s
)
1011 if (s
->renegotiate
== 0)
1016 return(s
->method
->ssl_renegotiate(s
));
1019 int SSL_renegotiate_abbreviated(SSL
*s
)
1021 if (s
->renegotiate
== 0)
1026 return(s
->method
->ssl_renegotiate(s
));
1029 int SSL_renegotiate_pending(SSL
*s
)
1031 /* becomes true when negotiation is requested;
1032 * false again once a handshake has finished */
1033 return (s
->renegotiate
!= 0);
1036 long SSL_ctrl(SSL
*s
,int cmd
,long larg
,void *parg
)
1042 case SSL_CTRL_GET_READ_AHEAD
:
1043 return(s
->read_ahead
);
1044 case SSL_CTRL_SET_READ_AHEAD
:
1049 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1050 s
->msg_callback_arg
= parg
;
1053 case SSL_CTRL_OPTIONS
:
1054 return(s
->options
|=larg
);
1055 case SSL_CTRL_CLEAR_OPTIONS
:
1056 return(s
->options
&=~larg
);
1058 return(s
->mode
|=larg
);
1059 case SSL_CTRL_CLEAR_MODE
:
1060 return(s
->mode
&=~larg
);
1061 case SSL_CTRL_GET_MAX_CERT_LIST
:
1062 return(s
->max_cert_list
);
1063 case SSL_CTRL_SET_MAX_CERT_LIST
:
1065 s
->max_cert_list
=larg
;
1067 case SSL_CTRL_SET_MTU
:
1068 if (SSL_version(s
) == DTLS1_VERSION
||
1069 SSL_version(s
) == DTLS1_BAD_VER
)
1075 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1076 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1078 s
->max_send_fragment
= larg
;
1080 case SSL_CTRL_GET_RI_SUPPORT
:
1082 return s
->s3
->send_connection_binding
;
1085 return(s
->method
->ssl_ctrl(s
,cmd
,larg
,parg
));
1089 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
)(void))
1093 case SSL_CTRL_SET_MSG_CALLBACK
:
1094 s
->msg_callback
= (void (*)(int write_p
, int version
, int content_type
, const void *buf
, size_t len
, SSL
*ssl
, void *arg
))(fp
);
1098 return(s
->method
->ssl_callback_ctrl(s
,cmd
,fp
));
1102 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
1104 return ctx
->sessions
;
1107 long SSL_CTX_ctrl(SSL_CTX
*ctx
,int cmd
,long larg
,void *parg
)
1113 case SSL_CTRL_GET_READ_AHEAD
:
1114 return(ctx
->read_ahead
);
1115 case SSL_CTRL_SET_READ_AHEAD
:
1117 ctx
->read_ahead
=larg
;
1120 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1121 ctx
->msg_callback_arg
= parg
;
1124 case SSL_CTRL_GET_MAX_CERT_LIST
:
1125 return(ctx
->max_cert_list
);
1126 case SSL_CTRL_SET_MAX_CERT_LIST
:
1127 l
=ctx
->max_cert_list
;
1128 ctx
->max_cert_list
=larg
;
1131 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
1132 l
=ctx
->session_cache_size
;
1133 ctx
->session_cache_size
=larg
;
1135 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
1136 return(ctx
->session_cache_size
);
1137 case SSL_CTRL_SET_SESS_CACHE_MODE
:
1138 l
=ctx
->session_cache_mode
;
1139 ctx
->session_cache_mode
=larg
;
1141 case SSL_CTRL_GET_SESS_CACHE_MODE
:
1142 return(ctx
->session_cache_mode
);
1144 case SSL_CTRL_SESS_NUMBER
:
1145 return(lh_SSL_SESSION_num_items(ctx
->sessions
));
1146 case SSL_CTRL_SESS_CONNECT
:
1147 return(ctx
->stats
.sess_connect
);
1148 case SSL_CTRL_SESS_CONNECT_GOOD
:
1149 return(ctx
->stats
.sess_connect_good
);
1150 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
1151 return(ctx
->stats
.sess_connect_renegotiate
);
1152 case SSL_CTRL_SESS_ACCEPT
:
1153 return(ctx
->stats
.sess_accept
);
1154 case SSL_CTRL_SESS_ACCEPT_GOOD
:
1155 return(ctx
->stats
.sess_accept_good
);
1156 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
1157 return(ctx
->stats
.sess_accept_renegotiate
);
1158 case SSL_CTRL_SESS_HIT
:
1159 return(ctx
->stats
.sess_hit
);
1160 case SSL_CTRL_SESS_CB_HIT
:
1161 return(ctx
->stats
.sess_cb_hit
);
1162 case SSL_CTRL_SESS_MISSES
:
1163 return(ctx
->stats
.sess_miss
);
1164 case SSL_CTRL_SESS_TIMEOUTS
:
1165 return(ctx
->stats
.sess_timeout
);
1166 case SSL_CTRL_SESS_CACHE_FULL
:
1167 return(ctx
->stats
.sess_cache_full
);
1168 case SSL_CTRL_OPTIONS
:
1169 return(ctx
->options
|=larg
);
1170 case SSL_CTRL_CLEAR_OPTIONS
:
1171 return(ctx
->options
&=~larg
);
1173 return(ctx
->mode
|=larg
);
1174 case SSL_CTRL_CLEAR_MODE
:
1175 return(ctx
->mode
&=~larg
);
1176 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1177 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1179 ctx
->max_send_fragment
= larg
;
1182 return(ctx
->method
->ssl_ctx_ctrl(ctx
,cmd
,larg
,parg
));
1186 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
)(void))
1190 case SSL_CTRL_SET_MSG_CALLBACK
:
1191 ctx
->msg_callback
= (void (*)(int write_p
, int version
, int content_type
, const void *buf
, size_t len
, SSL
*ssl
, void *arg
))(fp
);
1195 return(ctx
->method
->ssl_ctx_callback_ctrl(ctx
,cmd
,fp
));
1199 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
1207 return((l
> 0)?1:-1);
1210 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
* const *ap
,
1211 const SSL_CIPHER
* const *bp
)
1215 l
=(*ap
)->id
-(*bp
)->id
;
1219 return((l
> 0)?1:-1);
1222 /** return a STACK of the ciphers available for the SSL and in order of
1224 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
1228 if (s
->cipher_list
!= NULL
)
1230 return(s
->cipher_list
);
1232 else if ((s
->ctx
!= NULL
) &&
1233 (s
->ctx
->cipher_list
!= NULL
))
1235 return(s
->ctx
->cipher_list
);
1241 /** return a STACK of the ciphers available for the SSL and in order of
1243 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
)
1247 if (s
->cipher_list_by_id
!= NULL
)
1249 return(s
->cipher_list_by_id
);
1251 else if ((s
->ctx
!= NULL
) &&
1252 (s
->ctx
->cipher_list_by_id
!= NULL
))
1254 return(s
->ctx
->cipher_list_by_id
);
1260 /** The old interface to get the same thing as SSL_get_ciphers() */
1261 const char *SSL_get_cipher_list(const SSL
*s
,int n
)
1264 STACK_OF(SSL_CIPHER
) *sk
;
1266 if (s
== NULL
) return(NULL
);
1267 sk
=SSL_get_ciphers(s
);
1268 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
1270 c
=sk_SSL_CIPHER_value(sk
,n
);
1271 if (c
== NULL
) return(NULL
);
1275 /** specify the ciphers to be used by default by the SSL_CTX */
1276 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
1278 STACK_OF(SSL_CIPHER
) *sk
;
1280 sk
=ssl_create_cipher_list(ctx
->method
,&ctx
->cipher_list
,
1281 &ctx
->cipher_list_by_id
,str
);
1282 /* ssl_create_cipher_list may return an empty stack if it
1283 * was unable to find a cipher matching the given rule string
1284 * (for example if the rule string specifies a cipher which
1285 * has been disabled). This is not an error as far as
1286 * ssl_create_cipher_list is concerned, and hence
1287 * ctx->cipher_list and ctx->cipher_list_by_id has been
1291 else if (sk_SSL_CIPHER_num(sk
) == 0)
1293 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1299 /** specify the ciphers to be used by the SSL */
1300 int SSL_set_cipher_list(SSL
*s
,const char *str
)
1302 STACK_OF(SSL_CIPHER
) *sk
;
1304 sk
=ssl_create_cipher_list(s
->ctx
->method
,&s
->cipher_list
,
1305 &s
->cipher_list_by_id
,str
);
1306 /* see comment in SSL_CTX_set_cipher_list */
1309 else if (sk_SSL_CIPHER_num(sk
) == 0)
1311 SSLerr(SSL_F_SSL_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1317 /* works well for SSLv2, not so good for SSLv3 */
1318 char *SSL_get_shared_ciphers(const SSL
*s
,char *buf
,int len
)
1321 STACK_OF(SSL_CIPHER
) *sk
;
1325 if ((s
->session
== NULL
) || (s
->session
->ciphers
== NULL
) ||
1330 sk
=s
->session
->ciphers
;
1331 for (i
=0; i
<sk_SSL_CIPHER_num(sk
); i
++)
1335 c
=sk_SSL_CIPHER_value(sk
,i
);
1353 int ssl_cipher_list_to_bytes(SSL
*s
,STACK_OF(SSL_CIPHER
) *sk
,unsigned char *p
,
1354 int (*put_cb
)(const SSL_CIPHER
*, unsigned char *))
1359 #ifndef OPENSSL_NO_KRB5
1360 int nokrb5
= !kssl_tgt_is_available(s
->kssl_ctx
);
1361 #endif /* OPENSSL_NO_KRB5 */
1363 if (sk
== NULL
) return(0);
1366 for (i
=0; i
<sk_SSL_CIPHER_num(sk
); i
++)
1368 c
=sk_SSL_CIPHER_value(sk
,i
);
1369 /* Skip TLS v1.2 only ciphersuites if lower than v1.2 */
1370 if ((c
->algorithm_ssl
& SSL_TLSV1_2
) &&
1371 (TLS1_get_version(s
) < TLS1_2_VERSION
))
1373 #ifndef OPENSSL_NO_KRB5
1374 if (((c
->algorithm_mkey
& SSL_kKRB5
) || (c
->algorithm_auth
& SSL_aKRB5
)) &&
1377 #endif /* OPENSSL_NO_KRB5 */
1378 #ifndef OPENSSL_NO_PSK
1379 /* with PSK there must be client callback set */
1380 if (((c
->algorithm_mkey
& SSL_kPSK
) || (c
->algorithm_auth
& SSL_aPSK
)) &&
1381 s
->psk_client_callback
== NULL
)
1383 #endif /* OPENSSL_NO_PSK */
1384 j
= put_cb
? put_cb(c
,p
) : ssl_put_cipher_by_char(s
,c
,p
);
1387 /* If p == q, no ciphers and caller indicates an error. Otherwise
1388 * add SCSV if not renegotiating.
1390 if (p
!= q
&& !s
->renegotiate
)
1392 static SSL_CIPHER scsv
=
1394 0, NULL
, SSL3_CK_SCSV
, 0, 0, 0, 0, 0, 0, 0, 0, 0
1396 j
= put_cb
? put_cb(&scsv
,p
) : ssl_put_cipher_by_char(s
,&scsv
,p
);
1398 #ifdef OPENSSL_RI_DEBUG
1399 fprintf(stderr
, "SCSV sent by client\n");
1406 STACK_OF(SSL_CIPHER
) *ssl_bytes_to_cipher_list(SSL
*s
,unsigned char *p
,int num
,
1407 STACK_OF(SSL_CIPHER
) **skp
)
1409 const SSL_CIPHER
*c
;
1410 STACK_OF(SSL_CIPHER
) *sk
;
1413 s
->s3
->send_connection_binding
= 0;
1415 n
=ssl_put_cipher_by_char(s
,NULL
,NULL
);
1418 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
1421 if ((skp
== NULL
) || (*skp
== NULL
))
1422 sk
=sk_SSL_CIPHER_new_null(); /* change perhaps later */
1426 sk_SSL_CIPHER_zero(sk
);
1429 for (i
=0; i
<num
; i
+=n
)
1431 /* Check for SCSV */
1432 if (s
->s3
&& (n
!= 3 || !p
[0]) &&
1433 (p
[n
-2] == ((SSL3_CK_SCSV
>> 8) & 0xff)) &&
1434 (p
[n
-1] == (SSL3_CK_SCSV
& 0xff)))
1436 /* SCSV fatal if renegotiating */
1439 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING
);
1440 ssl3_send_alert(s
,SSL3_AL_FATAL
,SSL_AD_HANDSHAKE_FAILURE
);
1443 s
->s3
->send_connection_binding
= 1;
1445 #ifdef OPENSSL_RI_DEBUG
1446 fprintf(stderr
, "SCSV received by server\n");
1451 c
=ssl_get_cipher_by_char(s
,p
);
1455 if (!sk_SSL_CIPHER_push(sk
,c
))
1457 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,ERR_R_MALLOC_FAILURE
);
1467 if ((skp
== NULL
) || (*skp
== NULL
))
1468 sk_SSL_CIPHER_free(sk
);
1473 #ifndef OPENSSL_NO_TLSEXT
1474 /** return a servername extension value if provided in Client Hello, or NULL.
1475 * So far, only host_name types are defined (RFC 3546).
1478 const char *SSL_get_servername(const SSL
*s
, const int type
)
1480 if (type
!= TLSEXT_NAMETYPE_host_name
)
1483 return s
->session
&& !s
->tlsext_hostname
?
1484 s
->session
->tlsext_hostname
:
1488 int SSL_get_servername_type(const SSL
*s
)
1490 if (s
->session
&& (!s
->tlsext_hostname
? s
->session
->tlsext_hostname
: s
->tlsext_hostname
))
1491 return TLSEXT_NAMETYPE_host_name
;
1496 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
1501 ((unsigned int) a
->session_id
[0] )|
1502 ((unsigned int) a
->session_id
[1]<< 8L)|
1503 ((unsigned long)a
->session_id
[2]<<16L)|
1504 ((unsigned long)a
->session_id
[3]<<24L);
1508 /* NB: If this function (or indeed the hash function which uses a sort of
1509 * coarser function than this one) is changed, ensure
1510 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
1511 * able to construct an SSL_SESSION that will collide with any existing session
1512 * with a matching session ID. */
1513 static int ssl_session_cmp(const SSL_SESSION
*a
,const SSL_SESSION
*b
)
1515 if (a
->ssl_version
!= b
->ssl_version
)
1517 if (a
->session_id_length
!= b
->session_id_length
)
1519 return(memcmp(a
->session_id
,b
->session_id
,a
->session_id_length
));
1522 /* These wrapper functions should remain rather than redeclaring
1523 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1524 * variable. The reason is that the functions aren't static, they're exposed via
1526 static IMPLEMENT_LHASH_HASH_FN(ssl_session
, SSL_SESSION
)
1527 static IMPLEMENT_LHASH_COMP_FN(ssl_session
, SSL_SESSION
)
1529 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
1535 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_NULL_SSL_METHOD_PASSED
);
1540 if (FIPS_mode() && (meth
->version
< TLS1_VERSION
))
1542 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE
);
1547 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1549 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
1552 ret
=(SSL_CTX
*)OPENSSL_malloc(sizeof(SSL_CTX
));
1556 memset(ret
,0,sizeof(SSL_CTX
));
1560 ret
->cert_store
=NULL
;
1561 ret
->session_cache_mode
=SSL_SESS_CACHE_SERVER
;
1562 ret
->session_cache_size
=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
1563 ret
->session_cache_head
=NULL
;
1564 ret
->session_cache_tail
=NULL
;
1566 /* We take the system default */
1567 ret
->session_timeout
=meth
->get_timeout();
1569 ret
->new_session_cb
=0;
1570 ret
->remove_session_cb
=0;
1571 ret
->get_session_cb
=0;
1572 ret
->generate_session_id
=0;
1574 memset((char *)&ret
->stats
,0,sizeof(ret
->stats
));
1577 ret
->quiet_shutdown
=0;
1579 /* ret->cipher=NULL;*/
1580 /* ret->s2->challenge=NULL;
1581 ret->master_key=NULL;
1583 ret->s2->conn_id=NULL; */
1585 ret
->info_callback
=NULL
;
1587 ret
->app_verify_callback
=0;
1588 ret
->app_verify_arg
=NULL
;
1590 ret
->max_cert_list
=SSL_MAX_CERT_LIST_DEFAULT
;
1592 ret
->msg_callback
=0;
1593 ret
->msg_callback_arg
=NULL
;
1594 ret
->verify_mode
=SSL_VERIFY_NONE
;
1596 ret
->verify_depth
=-1; /* Don't impose a limit (but x509_lu.c does) */
1598 ret
->sid_ctx_length
=0;
1599 ret
->default_verify_callback
=NULL
;
1600 if ((ret
->cert
=ssl_cert_new()) == NULL
)
1603 ret
->default_passwd_callback
=0;
1604 ret
->default_passwd_callback_userdata
=NULL
;
1605 ret
->client_cert_cb
=0;
1606 ret
->app_gen_cookie_cb
=0;
1607 ret
->app_verify_cookie_cb
=0;
1609 ret
->sessions
=lh_SSL_SESSION_new();
1610 if (ret
->sessions
== NULL
) goto err
;
1611 ret
->cert_store
=X509_STORE_new();
1612 if (ret
->cert_store
== NULL
) goto err
;
1614 ssl_create_cipher_list(ret
->method
,
1615 &ret
->cipher_list
,&ret
->cipher_list_by_id
,
1616 meth
->version
== SSL2_VERSION
? "SSLv2" : SSL_DEFAULT_CIPHER_LIST
);
1617 if (ret
->cipher_list
== NULL
1618 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0)
1620 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_LIBRARY_HAS_NO_CIPHERS
);
1624 ret
->param
= X509_VERIFY_PARAM_new();
1628 if ((ret
->rsa_md5
=EVP_get_digestbyname("ssl2-md5")) == NULL
)
1630 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES
);
1633 if ((ret
->md5
=EVP_get_digestbyname("ssl3-md5")) == NULL
)
1635 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES
);
1638 if ((ret
->sha1
=EVP_get_digestbyname("ssl3-sha1")) == NULL
)
1640 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES
);
1644 if ((ret
->client_CA
=sk_X509_NAME_new_null()) == NULL
)
1647 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
);
1649 ret
->extra_certs
=NULL
;
1650 ret
->comp_methods
=SSL_COMP_get_compression_methods();
1652 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
1654 #ifndef OPENSSL_NO_TLSEXT
1655 ret
->tlsext_servername_callback
= 0;
1656 ret
->tlsext_servername_arg
= NULL
;
1657 /* Setup RFC4507 ticket keys */
1658 if ((RAND_pseudo_bytes(ret
->tlsext_tick_key_name
, 16) <= 0)
1659 || (RAND_bytes(ret
->tlsext_tick_hmac_key
, 16) <= 0)
1660 || (RAND_bytes(ret
->tlsext_tick_aes_key
, 16) <= 0))
1661 ret
->options
|= SSL_OP_NO_TICKET
;
1663 ret
->tlsext_status_cb
= 0;
1664 ret
->tlsext_status_arg
= NULL
;
1667 #ifndef OPENSSL_NO_PSK
1668 ret
->psk_identity_hint
=NULL
;
1669 ret
->psk_client_callback
=NULL
;
1670 ret
->psk_server_callback
=NULL
;
1672 #ifndef OPENSSL_NO_SRP
1673 SSL_CTX_SRP_CTX_init(ret
);
1675 #ifndef OPENSSL_NO_BUF_FREELISTS
1676 ret
->freelist_max_len
= SSL_MAX_BUF_FREELIST_LEN_DEFAULT
;
1677 ret
->rbuf_freelist
= OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST
));
1678 if (!ret
->rbuf_freelist
)
1680 ret
->rbuf_freelist
->chunklen
= 0;
1681 ret
->rbuf_freelist
->len
= 0;
1682 ret
->rbuf_freelist
->head
= NULL
;
1683 ret
->wbuf_freelist
= OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST
));
1684 if (!ret
->wbuf_freelist
)
1686 OPENSSL_free(ret
->rbuf_freelist
);
1689 ret
->wbuf_freelist
->chunklen
= 0;
1690 ret
->wbuf_freelist
->len
= 0;
1691 ret
->wbuf_freelist
->head
= NULL
;
1693 #ifndef OPENSSL_NO_ENGINE
1694 ret
->client_cert_engine
= NULL
;
1695 #ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
1696 #define eng_strx(x) #x
1697 #define eng_str(x) eng_strx(x)
1698 /* Use specific client engine automatically... ignore errors */
1701 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
1705 ENGINE_load_builtin_engines();
1706 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
1708 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
1713 /* Default is to connect to non-RI servers. When RI is more widely
1714 * deployed might change this.
1716 ret
->options
|= SSL_OP_LEGACY_SERVER_CONNECT
;
1717 /* Disable TLS v1.2 by default for now */
1718 ret
->options
|= SSL_OP_NO_TLSv1_2
;
1722 SSLerr(SSL_F_SSL_CTX_NEW
,ERR_R_MALLOC_FAILURE
);
1724 if (ret
!= NULL
) SSL_CTX_free(ret
);
1729 static void SSL_COMP_free(SSL_COMP
*comp
)
1730 { OPENSSL_free(comp
); }
1733 #ifndef OPENSSL_NO_BUF_FREELISTS
1735 ssl_buf_freelist_free(SSL3_BUF_FREELIST
*list
)
1737 SSL3_BUF_FREELIST_ENTRY
*ent
, *next
;
1738 for (ent
= list
->head
; ent
; ent
= next
)
1747 void SSL_CTX_free(SSL_CTX
*a
)
1751 if (a
== NULL
) return;
1753 i
=CRYPTO_add(&a
->references
,-1,CRYPTO_LOCK_SSL_CTX
);
1755 REF_PRINT("SSL_CTX",a
);
1761 fprintf(stderr
,"SSL_CTX_free, bad reference count\n");
1767 X509_VERIFY_PARAM_free(a
->param
);
1770 * Free internal session cache. However: the remove_cb() may reference
1771 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
1772 * after the sessions were flushed.
1773 * As the ex_data handling routines might also touch the session cache,
1774 * the most secure solution seems to be: empty (flush) the cache, then
1775 * free ex_data, then finally free the cache.
1776 * (See ticket [openssl.org #212].)
1778 if (a
->sessions
!= NULL
)
1779 SSL_CTX_flush_sessions(a
,0);
1781 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, a
, &a
->ex_data
);
1783 if (a
->sessions
!= NULL
)
1784 lh_SSL_SESSION_free(a
->sessions
);
1786 if (a
->cert_store
!= NULL
)
1787 X509_STORE_free(a
->cert_store
);
1788 if (a
->cipher_list
!= NULL
)
1789 sk_SSL_CIPHER_free(a
->cipher_list
);
1790 if (a
->cipher_list_by_id
!= NULL
)
1791 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
1792 if (a
->cert
!= NULL
)
1793 ssl_cert_free(a
->cert
);
1794 if (a
->client_CA
!= NULL
)
1795 sk_X509_NAME_pop_free(a
->client_CA
,X509_NAME_free
);
1796 if (a
->extra_certs
!= NULL
)
1797 sk_X509_pop_free(a
->extra_certs
,X509_free
);
1798 #if 0 /* This should never be done, since it removes a global database */
1799 if (a
->comp_methods
!= NULL
)
1800 sk_SSL_COMP_pop_free(a
->comp_methods
,SSL_COMP_free
);
1802 a
->comp_methods
= NULL
;
1805 #ifndef OPENSSL_NO_PSK
1806 if (a
->psk_identity_hint
)
1807 OPENSSL_free(a
->psk_identity_hint
);
1809 #ifndef OPENSSL_NO_SRP
1810 SSL_CTX_SRP_CTX_free(a
);
1812 #ifndef OPENSSL_NO_ENGINE
1813 if (a
->client_cert_engine
)
1814 ENGINE_finish(a
->client_cert_engine
);
1817 #ifndef OPENSSL_NO_BUF_FREELISTS
1818 if (a
->wbuf_freelist
)
1819 ssl_buf_freelist_free(a
->wbuf_freelist
);
1820 if (a
->rbuf_freelist
)
1821 ssl_buf_freelist_free(a
->rbuf_freelist
);
1827 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
1829 ctx
->default_passwd_callback
=cb
;
1832 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
,void *u
)
1834 ctx
->default_passwd_callback_userdata
=u
;
1837 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
, int (*cb
)(X509_STORE_CTX
*,void *), void *arg
)
1839 ctx
->app_verify_callback
=cb
;
1840 ctx
->app_verify_arg
=arg
;
1843 void SSL_CTX_set_verify(SSL_CTX
*ctx
,int mode
,int (*cb
)(int, X509_STORE_CTX
*))
1845 ctx
->verify_mode
=mode
;
1846 ctx
->default_verify_callback
=cb
;
1849 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
,int depth
)
1851 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
1854 void ssl_set_cert_masks(CERT
*c
, const SSL_CIPHER
*cipher
)
1857 int rsa_enc
,rsa_tmp
,rsa_sign
,dh_tmp
,dh_rsa
,dh_dsa
,dsa_sign
;
1858 int rsa_enc_export
,dh_rsa_export
,dh_dsa_export
;
1859 int rsa_tmp_export
,dh_tmp_export
,kl
;
1860 unsigned long mask_k
,mask_a
,emask_k
,emask_a
;
1861 int have_ecc_cert
, ecdh_ok
, ecdsa_ok
, ecc_pkey_size
;
1862 #ifndef OPENSSL_NO_ECDH
1866 EVP_PKEY
*ecc_pkey
= NULL
;
1867 int signature_nid
= 0, pk_nid
= 0, md_nid
= 0;
1869 if (c
== NULL
) return;
1871 kl
=SSL_C_EXPORT_PKEYLENGTH(cipher
);
1873 #ifndef OPENSSL_NO_RSA
1874 rsa_tmp
=(c
->rsa_tmp
!= NULL
|| c
->rsa_tmp_cb
!= NULL
);
1875 rsa_tmp_export
=(c
->rsa_tmp_cb
!= NULL
||
1876 (rsa_tmp
&& RSA_size(c
->rsa_tmp
)*8 <= kl
));
1878 rsa_tmp
=rsa_tmp_export
=0;
1880 #ifndef OPENSSL_NO_DH
1881 dh_tmp
=(c
->dh_tmp
!= NULL
|| c
->dh_tmp_cb
!= NULL
);
1882 dh_tmp_export
=(c
->dh_tmp_cb
!= NULL
||
1883 (dh_tmp
&& DH_size(c
->dh_tmp
)*8 <= kl
));
1885 dh_tmp
=dh_tmp_export
=0;
1888 #ifndef OPENSSL_NO_ECDH
1889 have_ecdh_tmp
=(c
->ecdh_tmp
!= NULL
|| c
->ecdh_tmp_cb
!= NULL
);
1891 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_ENC
]);
1892 rsa_enc
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
1893 rsa_enc_export
=(rsa_enc
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
1894 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_SIGN
]);
1895 rsa_sign
=(cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
1896 cpk
= &(c
->pkeys
[SSL_PKEY_DSA_SIGN
]);
1897 dsa_sign
=(cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
1898 cpk
= &(c
->pkeys
[SSL_PKEY_DH_RSA
]);
1899 dh_rsa
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
1900 dh_rsa_export
=(dh_rsa
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
1901 cpk
= &(c
->pkeys
[SSL_PKEY_DH_DSA
]);
1902 /* FIX THIS EAY EAY EAY */
1903 dh_dsa
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
1904 dh_dsa_export
=(dh_dsa
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
1905 cpk
= &(c
->pkeys
[SSL_PKEY_ECC
]);
1906 have_ecc_cert
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
1915 printf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1916 rsa_tmp
,rsa_tmp_export
,dh_tmp
,have_ecdh_tmp
,
1917 rsa_enc
,rsa_enc_export
,rsa_sign
,dsa_sign
,dh_rsa
,dh_dsa
);
1920 cpk
= &(c
->pkeys
[SSL_PKEY_GOST01
]);
1921 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!=NULL
) {
1922 mask_k
|= SSL_kGOST
;
1923 mask_a
|= SSL_aGOST01
;
1925 cpk
= &(c
->pkeys
[SSL_PKEY_GOST94
]);
1926 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!=NULL
) {
1927 mask_k
|= SSL_kGOST
;
1928 mask_a
|= SSL_aGOST94
;
1931 if (rsa_enc
|| (rsa_tmp
&& rsa_sign
))
1933 if (rsa_enc_export
|| (rsa_tmp_export
&& (rsa_sign
|| rsa_enc
)))
1937 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1938 if ( (dh_tmp
|| dh_rsa
|| dh_dsa
) &&
1939 (rsa_enc
|| rsa_sign
|| dsa_sign
))
1941 if ((dh_tmp_export
|| dh_rsa_export
|| dh_dsa_export
) &&
1942 (rsa_enc
|| rsa_sign
|| dsa_sign
))
1952 if (dh_rsa
) mask_k
|=SSL_kDHr
;
1953 if (dh_rsa_export
) emask_k
|=SSL_kDHr
;
1955 if (dh_dsa
) mask_k
|=SSL_kDHd
;
1956 if (dh_dsa_export
) emask_k
|=SSL_kDHd
;
1958 if (rsa_enc
|| rsa_sign
)
1973 #ifndef OPENSSL_NO_KRB5
1980 /* An ECC certificate may be usable for ECDH and/or
1981 * ECDSA cipher suites depending on the key usage extension.
1985 /* This call populates extension flags (ex_flags) */
1986 x
= (c
->pkeys
[SSL_PKEY_ECC
]).x509
;
1987 X509_check_purpose(x
, -1, 0);
1988 ecdh_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
1989 (x
->ex_kusage
& X509v3_KU_KEY_AGREEMENT
) : 1;
1990 ecdsa_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
1991 (x
->ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
) : 1;
1992 ecc_pkey
= X509_get_pubkey(x
);
1993 ecc_pkey_size
= (ecc_pkey
!= NULL
) ?
1994 EVP_PKEY_bits(ecc_pkey
) : 0;
1995 EVP_PKEY_free(ecc_pkey
);
1996 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
))
1998 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
1999 OBJ_find_sigid_algs(signature_nid
, &md_nid
, &pk_nid
);
2001 #ifndef OPENSSL_NO_ECDH
2005 if (pk_nid
== NID_rsaEncryption
|| pk_nid
== NID_rsa
)
2009 if (ecc_pkey_size
<= 163)
2011 emask_k
|=SSL_kECDHr
;
2016 if (pk_nid
== NID_X9_62_id_ecPublicKey
)
2020 if (ecc_pkey_size
<= 163)
2022 emask_k
|=SSL_kECDHe
;
2028 #ifndef OPENSSL_NO_ECDSA
2032 emask_a
|=SSL_aECDSA
;
2037 #ifndef OPENSSL_NO_ECDH
2041 emask_k
|=SSL_kEECDH
;
2045 #ifndef OPENSSL_NO_PSK
2048 emask_k
|= SSL_kPSK
;
2049 emask_a
|= SSL_aPSK
;
2054 c
->export_mask_k
=emask_k
;
2055 c
->export_mask_a
=emask_a
;
2059 /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
2060 #define ku_reject(x, usage) \
2061 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
2063 #ifndef OPENSSL_NO_EC
2065 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL
*s
)
2067 unsigned long alg_k
, alg_a
;
2068 EVP_PKEY
*pkey
= NULL
;
2070 int signature_nid
= 0, md_nid
= 0, pk_nid
= 0;
2071 const SSL_CIPHER
*cs
= s
->s3
->tmp
.new_cipher
;
2073 alg_k
= cs
->algorithm_mkey
;
2074 alg_a
= cs
->algorithm_auth
;
2076 if (SSL_C_IS_EXPORT(cs
))
2078 /* ECDH key length in export ciphers must be <= 163 bits */
2079 pkey
= X509_get_pubkey(x
);
2080 if (pkey
== NULL
) return 0;
2081 keysize
= EVP_PKEY_bits(pkey
);
2082 EVP_PKEY_free(pkey
);
2083 if (keysize
> 163) return 0;
2086 /* This call populates the ex_flags field correctly */
2087 X509_check_purpose(x
, -1, 0);
2088 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
))
2090 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2091 OBJ_find_sigid_algs(signature_nid
, &md_nid
, &pk_nid
);
2093 if (alg_k
& SSL_kECDHe
|| alg_k
& SSL_kECDHr
)
2095 /* key usage, if present, must allow key agreement */
2096 if (ku_reject(x
, X509v3_KU_KEY_AGREEMENT
))
2098 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT
);
2101 if ((alg_k
& SSL_kECDHe
) && TLS1_get_version(s
) < TLS1_2_VERSION
)
2103 /* signature alg must be ECDSA */
2104 if (pk_nid
!= NID_X9_62_id_ecPublicKey
)
2106 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE
);
2110 if ((alg_k
& SSL_kECDHr
) && TLS1_get_version(s
) < TLS1_2_VERSION
)
2112 /* signature alg must be RSA */
2114 if (pk_nid
!= NID_rsaEncryption
&& pk_nid
!= NID_rsa
)
2116 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE
);
2121 if (alg_a
& SSL_aECDSA
)
2123 /* key usage, if present, must allow signing */
2124 if (ku_reject(x
, X509v3_KU_DIGITAL_SIGNATURE
))
2126 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
2131 return 1; /* all checks are ok */
2136 /* THIS NEEDS CLEANING UP */
2137 X509
*ssl_get_server_send_cert(SSL
*s
)
2139 unsigned long alg_k
,alg_a
;
2144 ssl_set_cert_masks(c
, s
->s3
->tmp
.new_cipher
);
2146 alg_k
= s
->s3
->tmp
.new_cipher
->algorithm_mkey
;
2147 alg_a
= s
->s3
->tmp
.new_cipher
->algorithm_auth
;
2149 if (alg_k
& (SSL_kECDHr
|SSL_kECDHe
))
2151 /* we don't need to look at SSL_kEECDH
2152 * since no certificate is needed for
2153 * anon ECDH and for authenticated
2154 * EECDH, the check for the auth
2155 * algorithm will set i correctly
2156 * NOTE: For ECDH-RSA, we need an ECC
2157 * not an RSA cert but for EECDH-RSA
2158 * we need an RSA cert. Placing the
2159 * checks for SSL_kECDH before RSA
2160 * checks ensures the correct cert is chosen.
2164 else if (alg_a
& SSL_aECDSA
)
2168 else if (alg_k
& SSL_kDHr
)
2170 else if (alg_k
& SSL_kDHd
)
2172 else if (alg_a
& SSL_aDSS
)
2173 i
=SSL_PKEY_DSA_SIGN
;
2174 else if (alg_a
& SSL_aRSA
)
2176 if (c
->pkeys
[SSL_PKEY_RSA_ENC
].x509
== NULL
)
2177 i
=SSL_PKEY_RSA_SIGN
;
2181 else if (alg_a
& SSL_aKRB5
)
2183 /* VRS something else here? */
2186 else if (alg_a
& SSL_aGOST94
)
2188 else if (alg_a
& SSL_aGOST01
)
2190 else /* if (alg_a & SSL_aNULL) */
2192 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT
,ERR_R_INTERNAL_ERROR
);
2195 if (c
->pkeys
[i
].x509
== NULL
) return(NULL
);
2197 return(c
->pkeys
[i
].x509
);
2200 EVP_PKEY
*ssl_get_sign_pkey(SSL
*s
,const SSL_CIPHER
*cipher
, const EVP_MD
**pmd
)
2202 unsigned long alg_a
;
2206 alg_a
= cipher
->algorithm_auth
;
2209 if ((alg_a
& SSL_aDSS
) &&
2210 (c
->pkeys
[SSL_PKEY_DSA_SIGN
].privatekey
!= NULL
))
2211 idx
= SSL_PKEY_DSA_SIGN
;
2212 else if (alg_a
& SSL_aRSA
)
2214 if (c
->pkeys
[SSL_PKEY_RSA_SIGN
].privatekey
!= NULL
)
2215 idx
= SSL_PKEY_RSA_SIGN
;
2216 else if (c
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
!= NULL
)
2217 idx
= SSL_PKEY_RSA_ENC
;
2219 else if ((alg_a
& SSL_aECDSA
) &&
2220 (c
->pkeys
[SSL_PKEY_ECC
].privatekey
!= NULL
))
2224 SSLerr(SSL_F_SSL_GET_SIGN_PKEY
,ERR_R_INTERNAL_ERROR
);
2228 *pmd
= c
->pkeys
[idx
].digest
;
2229 return c
->pkeys
[idx
].privatekey
;
2232 void ssl_update_cache(SSL
*s
,int mode
)
2236 /* If the session_id_length is 0, we are not supposed to cache it,
2237 * and it would be rather hard to do anyway :-) */
2238 if (s
->session
->session_id_length
== 0) return;
2240 i
=s
->session_ctx
->session_cache_mode
;
2241 if ((i
& mode
) && (!s
->hit
)
2242 && ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
)
2243 || SSL_CTX_add_session(s
->session_ctx
,s
->session
))
2244 && (s
->session_ctx
->new_session_cb
!= NULL
))
2246 CRYPTO_add(&s
->session
->references
,1,CRYPTO_LOCK_SSL_SESSION
);
2247 if (!s
->session_ctx
->new_session_cb(s
,s
->session
))
2248 SSL_SESSION_free(s
->session
);
2251 /* auto flush every 255 connections */
2252 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) &&
2253 ((i
& mode
) == mode
))
2255 if ( (((mode
& SSL_SESS_CACHE_CLIENT
)
2256 ?s
->session_ctx
->stats
.sess_connect_good
2257 :s
->session_ctx
->stats
.sess_accept_good
) & 0xff) == 0xff)
2259 SSL_CTX_flush_sessions(s
->session_ctx
,(unsigned long)time(NULL
));
2264 const SSL_METHOD
*SSL_get_ssl_method(SSL
*s
)
2269 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
2274 if (s
->method
!= meth
)
2276 if (s
->handshake_func
!= NULL
)
2277 conn
=(s
->handshake_func
== s
->method
->ssl_connect
);
2279 if (s
->method
->version
== meth
->version
)
2283 s
->method
->ssl_free(s
);
2285 ret
=s
->method
->ssl_new(s
);
2289 s
->handshake_func
=meth
->ssl_connect
;
2291 s
->handshake_func
=meth
->ssl_accept
;
2296 int SSL_get_error(const SSL
*s
,int i
)
2302 if (i
> 0) return(SSL_ERROR_NONE
);
2304 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
2305 * etc, where we do encode the error */
2306 if ((l
=ERR_peek_error()) != 0)
2308 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
2309 return(SSL_ERROR_SYSCALL
);
2311 return(SSL_ERROR_SSL
);
2314 if ((i
< 0) && SSL_want_read(s
))
2316 bio
=SSL_get_rbio(s
);
2317 if (BIO_should_read(bio
))
2318 return(SSL_ERROR_WANT_READ
);
2319 else if (BIO_should_write(bio
))
2320 /* This one doesn't make too much sense ... We never try
2321 * to write to the rbio, and an application program where
2322 * rbio and wbio are separate couldn't even know what it
2324 * However if we ever set s->rwstate incorrectly
2325 * (so that we have SSL_want_read(s) instead of
2326 * SSL_want_write(s)) and rbio and wbio *are* the same,
2327 * this test works around that bug; so it might be safer
2329 return(SSL_ERROR_WANT_WRITE
);
2330 else if (BIO_should_io_special(bio
))
2332 reason
=BIO_get_retry_reason(bio
);
2333 if (reason
== BIO_RR_CONNECT
)
2334 return(SSL_ERROR_WANT_CONNECT
);
2335 else if (reason
== BIO_RR_ACCEPT
)
2336 return(SSL_ERROR_WANT_ACCEPT
);
2338 return(SSL_ERROR_SYSCALL
); /* unknown */
2342 if ((i
< 0) && SSL_want_write(s
))
2344 bio
=SSL_get_wbio(s
);
2345 if (BIO_should_write(bio
))
2346 return(SSL_ERROR_WANT_WRITE
);
2347 else if (BIO_should_read(bio
))
2348 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
2349 return(SSL_ERROR_WANT_READ
);
2350 else if (BIO_should_io_special(bio
))
2352 reason
=BIO_get_retry_reason(bio
);
2353 if (reason
== BIO_RR_CONNECT
)
2354 return(SSL_ERROR_WANT_CONNECT
);
2355 else if (reason
== BIO_RR_ACCEPT
)
2356 return(SSL_ERROR_WANT_ACCEPT
);
2358 return(SSL_ERROR_SYSCALL
);
2361 if ((i
< 0) && SSL_want_x509_lookup(s
))
2363 return(SSL_ERROR_WANT_X509_LOOKUP
);
2368 if (s
->version
== SSL2_VERSION
)
2370 /* assume it is the socket being closed */
2371 return(SSL_ERROR_ZERO_RETURN
);
2375 if ((s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
2376 (s
->s3
->warn_alert
== SSL_AD_CLOSE_NOTIFY
))
2377 return(SSL_ERROR_ZERO_RETURN
);
2380 return(SSL_ERROR_SYSCALL
);
2383 int SSL_do_handshake(SSL
*s
)
2387 if (s
->handshake_func
== NULL
)
2389 SSLerr(SSL_F_SSL_DO_HANDSHAKE
,SSL_R_CONNECTION_TYPE_NOT_SET
);
2393 s
->method
->ssl_renegotiate_check(s
);
2395 if (SSL_in_init(s
) || SSL_in_before(s
))
2397 ret
=s
->handshake_func(s
);
2402 /* For the next 2 functions, SSL_clear() sets shutdown and so
2403 * one of these calls will reset it */
2404 void SSL_set_accept_state(SSL
*s
)
2408 s
->state
=SSL_ST_ACCEPT
|SSL_ST_BEFORE
;
2409 s
->handshake_func
=s
->method
->ssl_accept
;
2410 /* clear the current cipher */
2411 ssl_clear_cipher_ctx(s
);
2412 ssl_clear_hash_ctx(&s
->read_hash
);
2413 ssl_clear_hash_ctx(&s
->write_hash
);
2416 void SSL_set_connect_state(SSL
*s
)
2420 s
->state
=SSL_ST_CONNECT
|SSL_ST_BEFORE
;
2421 s
->handshake_func
=s
->method
->ssl_connect
;
2422 /* clear the current cipher */
2423 ssl_clear_cipher_ctx(s
);
2424 ssl_clear_hash_ctx(&s
->read_hash
);
2425 ssl_clear_hash_ctx(&s
->write_hash
);
2428 int ssl_undefined_function(SSL
*s
)
2430 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2434 int ssl_undefined_void_function(void)
2436 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2440 int ssl_undefined_const_function(const SSL
*s
)
2442 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2446 SSL_METHOD
*ssl_bad_method(int ver
)
2448 SSLerr(SSL_F_SSL_BAD_METHOD
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2452 const char *SSL_get_version(const SSL
*s
)
2454 if (s
->version
== TLS1_2_VERSION
)
2456 else if (s
->version
== TLS1_1_VERSION
)
2458 if (s
->version
== TLS1_VERSION
)
2460 else if (s
->version
== SSL3_VERSION
)
2462 else if (s
->version
== SSL2_VERSION
)
2468 SSL
*SSL_dup(SSL
*s
)
2470 STACK_OF(X509_NAME
) *sk
;
2475 if ((ret
=SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
2478 ret
->version
= s
->version
;
2479 ret
->type
= s
->type
;
2480 ret
->method
= s
->method
;
2482 if (s
->session
!= NULL
)
2484 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2485 SSL_copy_session_id(ret
,s
);
2489 /* No session has been established yet, so we have to expect
2490 * that s->cert or ret->cert will be changed later --
2491 * they should not both point to the same object,
2492 * and thus we can't use SSL_copy_session_id. */
2494 ret
->method
->ssl_free(ret
);
2495 ret
->method
= s
->method
;
2496 ret
->method
->ssl_new(ret
);
2498 if (s
->cert
!= NULL
)
2500 if (ret
->cert
!= NULL
)
2502 ssl_cert_free(ret
->cert
);
2504 ret
->cert
= ssl_cert_dup(s
->cert
);
2505 if (ret
->cert
== NULL
)
2509 SSL_set_session_id_context(ret
,
2510 s
->sid_ctx
, s
->sid_ctx_length
);
2513 ret
->options
=s
->options
;
2515 SSL_set_max_cert_list(ret
,SSL_get_max_cert_list(s
));
2516 SSL_set_read_ahead(ret
,SSL_get_read_ahead(s
));
2517 ret
->msg_callback
= s
->msg_callback
;
2518 ret
->msg_callback_arg
= s
->msg_callback_arg
;
2519 SSL_set_verify(ret
,SSL_get_verify_mode(s
),
2520 SSL_get_verify_callback(s
));
2521 SSL_set_verify_depth(ret
,SSL_get_verify_depth(s
));
2522 ret
->generate_session_id
= s
->generate_session_id
;
2524 SSL_set_info_callback(ret
,SSL_get_info_callback(s
));
2526 ret
->debug
=s
->debug
;
2528 /* copy app data, a little dangerous perhaps */
2529 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
2532 /* setup rbio, and wbio */
2533 if (s
->rbio
!= NULL
)
2535 if (!BIO_dup_state(s
->rbio
,(char *)&ret
->rbio
))
2538 if (s
->wbio
!= NULL
)
2540 if (s
->wbio
!= s
->rbio
)
2542 if (!BIO_dup_state(s
->wbio
,(char *)&ret
->wbio
))
2546 ret
->wbio
=ret
->rbio
;
2548 ret
->rwstate
= s
->rwstate
;
2549 ret
->in_handshake
= s
->in_handshake
;
2550 ret
->handshake_func
= s
->handshake_func
;
2551 ret
->server
= s
->server
;
2552 ret
->renegotiate
= s
->renegotiate
;
2553 ret
->new_session
= s
->new_session
;
2554 ret
->quiet_shutdown
= s
->quiet_shutdown
;
2555 ret
->shutdown
=s
->shutdown
;
2556 ret
->state
=s
->state
; /* SSL_dup does not really work at any state, though */
2557 ret
->rstate
=s
->rstate
;
2558 ret
->init_num
= 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
2561 X509_VERIFY_PARAM_inherit(ret
->param
, s
->param
);
2563 /* dup the cipher_list and cipher_list_by_id stacks */
2564 if (s
->cipher_list
!= NULL
)
2566 if ((ret
->cipher_list
=sk_SSL_CIPHER_dup(s
->cipher_list
)) == NULL
)
2569 if (s
->cipher_list_by_id
!= NULL
)
2570 if ((ret
->cipher_list_by_id
=sk_SSL_CIPHER_dup(s
->cipher_list_by_id
))
2574 /* Dup the client_CA list */
2575 if (s
->client_CA
!= NULL
)
2577 if ((sk
=sk_X509_NAME_dup(s
->client_CA
)) == NULL
) goto err
;
2579 for (i
=0; i
<sk_X509_NAME_num(sk
); i
++)
2581 xn
=sk_X509_NAME_value(sk
,i
);
2582 if (sk_X509_NAME_set(sk
,i
,X509_NAME_dup(xn
)) == NULL
)
2593 if (ret
!= NULL
) SSL_free(ret
);
2599 void ssl_clear_cipher_ctx(SSL
*s
)
2601 if (s
->enc_read_ctx
!= NULL
)
2603 EVP_CIPHER_CTX_cleanup(s
->enc_read_ctx
);
2604 OPENSSL_free(s
->enc_read_ctx
);
2605 s
->enc_read_ctx
=NULL
;
2607 if (s
->enc_write_ctx
!= NULL
)
2609 EVP_CIPHER_CTX_cleanup(s
->enc_write_ctx
);
2610 OPENSSL_free(s
->enc_write_ctx
);
2611 s
->enc_write_ctx
=NULL
;
2613 #ifndef OPENSSL_NO_COMP
2614 if (s
->expand
!= NULL
)
2616 COMP_CTX_free(s
->expand
);
2619 if (s
->compress
!= NULL
)
2621 COMP_CTX_free(s
->compress
);
2627 /* Fix this function so that it takes an optional type parameter */
2628 X509
*SSL_get_certificate(const SSL
*s
)
2630 if (s
->cert
!= NULL
)
2631 return(s
->cert
->key
->x509
);
2636 /* Fix this function so that it takes an optional type parameter */
2637 EVP_PKEY
*SSL_get_privatekey(SSL
*s
)
2639 if (s
->cert
!= NULL
)
2640 return(s
->cert
->key
->privatekey
);
2645 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
2647 if ((s
->session
!= NULL
) && (s
->session
->cipher
!= NULL
))
2648 return(s
->session
->cipher
);
2651 #ifdef OPENSSL_NO_COMP
2652 const void *SSL_get_current_compression(SSL
*s
)
2656 const void *SSL_get_current_expansion(SSL
*s
)
2662 const COMP_METHOD
*SSL_get_current_compression(SSL
*s
)
2664 if (s
->compress
!= NULL
)
2665 return(s
->compress
->meth
);
2669 const COMP_METHOD
*SSL_get_current_expansion(SSL
*s
)
2671 if (s
->expand
!= NULL
)
2672 return(s
->expand
->meth
);
2677 int ssl_init_wbio_buffer(SSL
*s
,int push
)
2681 if (s
->bbio
== NULL
)
2683 bbio
=BIO_new(BIO_f_buffer());
2684 if (bbio
== NULL
) return(0);
2690 if (s
->bbio
== s
->wbio
)
2691 s
->wbio
=BIO_pop(s
->wbio
);
2693 (void)BIO_reset(bbio
);
2694 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2695 if (!BIO_set_read_buffer_size(bbio
,1))
2697 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER
,ERR_R_BUF_LIB
);
2702 if (s
->wbio
!= bbio
)
2703 s
->wbio
=BIO_push(bbio
,s
->wbio
);
2707 if (s
->wbio
== bbio
)
2708 s
->wbio
=BIO_pop(bbio
);
2713 void ssl_free_wbio_buffer(SSL
*s
)
2715 if (s
->bbio
== NULL
) return;
2717 if (s
->bbio
== s
->wbio
)
2719 /* remove buffering */
2720 s
->wbio
=BIO_pop(s
->wbio
);
2721 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
2722 assert(s
->wbio
!= NULL
);
2729 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
,int mode
)
2731 ctx
->quiet_shutdown
=mode
;
2734 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
2736 return(ctx
->quiet_shutdown
);
2739 void SSL_set_quiet_shutdown(SSL
*s
,int mode
)
2741 s
->quiet_shutdown
=mode
;
2744 int SSL_get_quiet_shutdown(const SSL
*s
)
2746 return(s
->quiet_shutdown
);
2749 void SSL_set_shutdown(SSL
*s
,int mode
)
2754 int SSL_get_shutdown(const SSL
*s
)
2756 return(s
->shutdown
);
2759 int SSL_version(const SSL
*s
)
2764 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
2769 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
* ctx
)
2771 if (ssl
->ctx
== ctx
)
2773 #ifndef OPENSSL_NO_TLSEXT
2775 ctx
= ssl
->initial_ctx
;
2777 if (ssl
->cert
!= NULL
)
2778 ssl_cert_free(ssl
->cert
);
2779 ssl
->cert
= ssl_cert_dup(ctx
->cert
);
2780 CRYPTO_add(&ctx
->references
,1,CRYPTO_LOCK_SSL_CTX
);
2781 if (ssl
->ctx
!= NULL
)
2782 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
2787 #ifndef OPENSSL_NO_STDIO
2788 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
2790 return(X509_STORE_set_default_paths(ctx
->cert_store
));
2793 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
2796 return(X509_STORE_load_locations(ctx
->cert_store
,CAfile
,CApath
));
2800 void SSL_set_info_callback(SSL
*ssl
,
2801 void (*cb
)(const SSL
*ssl
,int type
,int val
))
2803 ssl
->info_callback
=cb
;
2806 /* One compiler (Diab DCC) doesn't like argument names in returned
2807 function pointer. */
2808 void (*SSL_get_info_callback(const SSL
*ssl
))(const SSL
* /*ssl*/,int /*type*/,int /*val*/)
2810 return ssl
->info_callback
;
2813 int SSL_state(const SSL
*ssl
)
2818 void SSL_set_state(SSL
*ssl
, int state
)
2823 void SSL_set_verify_result(SSL
*ssl
,long arg
)
2825 ssl
->verify_result
=arg
;
2828 long SSL_get_verify_result(const SSL
*ssl
)
2830 return(ssl
->verify_result
);
2833 int SSL_get_ex_new_index(long argl
,void *argp
,CRYPTO_EX_new
*new_func
,
2834 CRYPTO_EX_dup
*dup_func
,CRYPTO_EX_free
*free_func
)
2836 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL
, argl
, argp
,
2837 new_func
, dup_func
, free_func
);
2840 int SSL_set_ex_data(SSL
*s
,int idx
,void *arg
)
2842 return(CRYPTO_set_ex_data(&s
->ex_data
,idx
,arg
));
2845 void *SSL_get_ex_data(const SSL
*s
,int idx
)
2847 return(CRYPTO_get_ex_data(&s
->ex_data
,idx
));
2850 int SSL_CTX_get_ex_new_index(long argl
,void *argp
,CRYPTO_EX_new
*new_func
,
2851 CRYPTO_EX_dup
*dup_func
,CRYPTO_EX_free
*free_func
)
2853 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX
, argl
, argp
,
2854 new_func
, dup_func
, free_func
);
2857 int SSL_CTX_set_ex_data(SSL_CTX
*s
,int idx
,void *arg
)
2859 return(CRYPTO_set_ex_data(&s
->ex_data
,idx
,arg
));
2862 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
,int idx
)
2864 return(CRYPTO_get_ex_data(&s
->ex_data
,idx
));
2872 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
2874 return(ctx
->cert_store
);
2877 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
,X509_STORE
*store
)
2879 if (ctx
->cert_store
!= NULL
)
2880 X509_STORE_free(ctx
->cert_store
);
2881 ctx
->cert_store
=store
;
2884 int SSL_want(const SSL
*s
)
2890 * \brief Set the callback for generating temporary RSA keys.
2891 * \param ctx the SSL context.
2892 * \param cb the callback
2895 #ifndef OPENSSL_NO_RSA
2896 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX
*ctx
,RSA
*(*cb
)(SSL
*ssl
,
2900 SSL_CTX_callback_ctrl(ctx
,SSL_CTRL_SET_TMP_RSA_CB
,(void (*)(void))cb
);
2903 void SSL_set_tmp_rsa_callback(SSL
*ssl
,RSA
*(*cb
)(SSL
*ssl
,
2907 SSL_callback_ctrl(ssl
,SSL_CTRL_SET_TMP_RSA_CB
,(void (*)(void))cb
);
2913 * \brief The RSA temporary key callback function.
2914 * \param ssl the SSL session.
2915 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
2916 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
2917 * of the required key in bits.
2918 * \return the temporary RSA key.
2919 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
2922 RSA
*cb(SSL
*ssl
,int is_export
,int keylength
)
2927 * \brief Set the callback for generating temporary DH keys.
2928 * \param ctx the SSL context.
2929 * \param dh the callback
2932 #ifndef OPENSSL_NO_DH
2933 void SSL_CTX_set_tmp_dh_callback(SSL_CTX
*ctx
,DH
*(*dh
)(SSL
*ssl
,int is_export
,
2936 SSL_CTX_callback_ctrl(ctx
,SSL_CTRL_SET_TMP_DH_CB
,(void (*)(void))dh
);
2939 void SSL_set_tmp_dh_callback(SSL
*ssl
,DH
*(*dh
)(SSL
*ssl
,int is_export
,
2942 SSL_callback_ctrl(ssl
,SSL_CTRL_SET_TMP_DH_CB
,(void (*)(void))dh
);
2946 #ifndef OPENSSL_NO_ECDH
2947 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX
*ctx
,EC_KEY
*(*ecdh
)(SSL
*ssl
,int is_export
,
2950 SSL_CTX_callback_ctrl(ctx
,SSL_CTRL_SET_TMP_ECDH_CB
,(void (*)(void))ecdh
);
2953 void SSL_set_tmp_ecdh_callback(SSL
*ssl
,EC_KEY
*(*ecdh
)(SSL
*ssl
,int is_export
,
2956 SSL_callback_ctrl(ssl
,SSL_CTRL_SET_TMP_ECDH_CB
,(void (*)(void))ecdh
);
2960 #ifndef OPENSSL_NO_PSK
2961 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
2963 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
)
2965 SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
2968 if (ctx
->psk_identity_hint
!= NULL
)
2969 OPENSSL_free(ctx
->psk_identity_hint
);
2970 if (identity_hint
!= NULL
)
2972 ctx
->psk_identity_hint
= BUF_strdup(identity_hint
);
2973 if (ctx
->psk_identity_hint
== NULL
)
2977 ctx
->psk_identity_hint
= NULL
;
2981 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
2986 if (s
->session
== NULL
)
2987 return 1; /* session not created yet, ignored */
2989 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
)
2991 SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
2994 if (s
->session
->psk_identity_hint
!= NULL
)
2995 OPENSSL_free(s
->session
->psk_identity_hint
);
2996 if (identity_hint
!= NULL
)
2998 s
->session
->psk_identity_hint
= BUF_strdup(identity_hint
);
2999 if (s
->session
->psk_identity_hint
== NULL
)
3003 s
->session
->psk_identity_hint
= NULL
;
3007 const char *SSL_get_psk_identity_hint(const SSL
*s
)
3009 if (s
== NULL
|| s
->session
== NULL
)
3011 return(s
->session
->psk_identity_hint
);
3014 const char *SSL_get_psk_identity(const SSL
*s
)
3016 if (s
== NULL
|| s
->session
== NULL
)
3018 return(s
->session
->psk_identity
);
3021 void SSL_set_psk_client_callback(SSL
*s
,
3022 unsigned int (*cb
)(SSL
*ssl
, const char *hint
,
3023 char *identity
, unsigned int max_identity_len
, unsigned char *psk
,
3024 unsigned int max_psk_len
))
3026 s
->psk_client_callback
= cb
;
3029 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
,
3030 unsigned int (*cb
)(SSL
*ssl
, const char *hint
,
3031 char *identity
, unsigned int max_identity_len
, unsigned char *psk
,
3032 unsigned int max_psk_len
))
3034 ctx
->psk_client_callback
= cb
;
3037 void SSL_set_psk_server_callback(SSL
*s
,
3038 unsigned int (*cb
)(SSL
*ssl
, const char *identity
,
3039 unsigned char *psk
, unsigned int max_psk_len
))
3041 s
->psk_server_callback
= cb
;
3044 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
,
3045 unsigned int (*cb
)(SSL
*ssl
, const char *identity
,
3046 unsigned char *psk
, unsigned int max_psk_len
))
3048 ctx
->psk_server_callback
= cb
;
3052 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
))
3054 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3056 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
))
3058 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3061 /* Allocates new EVP_MD_CTX and sets pointer to it into given pointer
3062 * vairable, freeing EVP_MD_CTX previously stored in that variable, if
3063 * any. If EVP_MD pointer is passed, initializes ctx with this md
3064 * Returns newly allocated ctx;
3067 EVP_MD_CTX
*ssl_replace_hash(EVP_MD_CTX
**hash
,const EVP_MD
*md
)
3069 ssl_clear_hash_ctx(hash
);
3070 *hash
= EVP_MD_CTX_create();
3071 if (md
) EVP_DigestInit_ex(*hash
,md
,NULL
);
3074 void ssl_clear_hash_ctx(EVP_MD_CTX
**hash
)
3077 if (*hash
) EVP_MD_CTX_destroy(*hash
);
3081 void SSL_set_debug(SSL
*s
, int debug
)
3086 int SSL_cache_hit(SSL
*s
)
3091 #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
3092 #include "../crypto/bio/bss_file.c"
3095 IMPLEMENT_STACK_OF(SSL_CIPHER
)
3096 IMPLEMENT_STACK_OF(SSL_COMP
)
3097 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
,