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
,
180 (int (*)(SSL
*, unsigned char *, size_t, const char *,
181 size_t, const unsigned char *, size_t,
182 int use_context
)) ssl_undefined_function
,
185 int SSL_clear(SSL
*s
)
188 if (s
->method
== NULL
)
190 SSLerr(SSL_F_SSL_CLEAR
,SSL_R_NO_METHOD_SPECIFIED
);
194 if (ssl_clear_bad_session(s
))
196 SSL_SESSION_free(s
->session
);
204 #if 0 /* Disabled since version 1.10 of this file (early return not
205 * needed because SSL_clear is not called when doing renegotiation) */
206 /* This is set if we are doing dynamic renegotiation so keep
207 * the old cipher. It is sort of a SSL_clear_lite :-) */
208 if (s
->renegotiate
) return(1);
212 SSLerr(SSL_F_SSL_CLEAR
,ERR_R_INTERNAL_ERROR
);
219 s
->state
=SSL_ST_BEFORE
|((s
->server
)?SSL_ST_ACCEPT
:SSL_ST_CONNECT
);
221 s
->version
=s
->method
->version
;
222 s
->client_version
=s
->version
;
223 s
->rwstate
=SSL_NOTHING
;
224 s
->rstate
=SSL_ST_READ_HEADER
;
226 s
->read_ahead
=s
->ctx
->read_ahead
;
229 if (s
->init_buf
!= NULL
)
231 BUF_MEM_free(s
->init_buf
);
235 ssl_clear_cipher_ctx(s
);
236 ssl_clear_hash_ctx(&s
->read_hash
);
237 ssl_clear_hash_ctx(&s
->write_hash
);
242 /* Check to see if we were changed into a different method, if
243 * so, revert back if we are not doing session-id reuse. */
244 if (!s
->in_handshake
&& (s
->session
== NULL
) && (s
->method
!= s
->ctx
->method
))
246 s
->method
->ssl_free(s
);
247 s
->method
=s
->ctx
->method
;
248 if (!s
->method
->ssl_new(s
))
253 s
->method
->ssl_clear(s
);
257 /** Used to change an SSL_CTXs default SSL method type */
258 int SSL_CTX_set_ssl_version(SSL_CTX
*ctx
,const SSL_METHOD
*meth
)
260 STACK_OF(SSL_CIPHER
) *sk
;
264 sk
=ssl_create_cipher_list(ctx
->method
,&(ctx
->cipher_list
),
265 &(ctx
->cipher_list_by_id
),
266 meth
->version
== SSL2_VERSION
? "SSLv2" : SSL_DEFAULT_CIPHER_LIST
, ctx
->cert
);
267 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= 0))
269 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION
,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
275 SSL
*SSL_new(SSL_CTX
*ctx
)
281 SSLerr(SSL_F_SSL_NEW
,SSL_R_NULL_SSL_CTX
);
284 if (ctx
->method
== NULL
)
286 SSLerr(SSL_F_SSL_NEW
,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION
);
290 s
=(SSL
*)OPENSSL_malloc(sizeof(SSL
));
291 if (s
== NULL
) goto err
;
292 memset(s
,0,sizeof(SSL
));
294 #ifndef OPENSSL_NO_KRB5
295 s
->kssl_ctx
= kssl_ctx_new();
296 #endif /* OPENSSL_NO_KRB5 */
298 s
->options
=ctx
->options
;
300 s
->max_cert_list
=ctx
->max_cert_list
;
302 if (ctx
->cert
!= NULL
)
304 /* Earlier library versions used to copy the pointer to
305 * the CERT, not its contents; only when setting new
306 * parameters for the per-SSL copy, ssl_cert_new would be
307 * called (and the direct reference to the per-SSL_CTX
308 * settings would be lost, but those still were indirectly
309 * accessed for various purposes, and for that reason they
310 * used to be known as s->ctx->default_cert).
311 * Now we don't look at the SSL_CTX's CERT after having
312 * duplicated it once. */
314 s
->cert
= ssl_cert_dup(ctx
->cert
);
319 s
->cert
=NULL
; /* Cannot really happen (see SSL_CTX_new) */
321 s
->read_ahead
=ctx
->read_ahead
;
322 s
->msg_callback
=ctx
->msg_callback
;
323 s
->msg_callback_arg
=ctx
->msg_callback_arg
;
324 s
->verify_mode
=ctx
->verify_mode
;
325 s
->not_resumable_session_cb
=ctx
->not_resumable_session_cb
;
327 s
->verify_depth
=ctx
->verify_depth
;
329 s
->sid_ctx_length
=ctx
->sid_ctx_length
;
330 OPENSSL_assert(s
->sid_ctx_length
<= sizeof s
->sid_ctx
);
331 memcpy(&s
->sid_ctx
,&ctx
->sid_ctx
,sizeof(s
->sid_ctx
));
332 s
->verify_callback
=ctx
->default_verify_callback
;
333 s
->generate_session_id
=ctx
->generate_session_id
;
335 s
->param
= X509_VERIFY_PARAM_new();
338 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
340 s
->purpose
= ctx
->purpose
;
341 s
->trust
= ctx
->trust
;
343 s
->quiet_shutdown
=ctx
->quiet_shutdown
;
344 s
->max_send_fragment
= ctx
->max_send_fragment
;
346 CRYPTO_add(&ctx
->references
,1,CRYPTO_LOCK_SSL_CTX
);
348 #ifndef OPENSSL_NO_TLSEXT
349 s
->tlsext_debug_cb
= 0;
350 s
->tlsext_debug_arg
= NULL
;
351 s
->tlsext_ticket_expected
= 0;
352 s
->tlsext_status_type
= -1;
353 s
->tlsext_status_expected
= 0;
354 s
->tlsext_ocsp_ids
= NULL
;
355 s
->tlsext_ocsp_exts
= NULL
;
356 s
->tlsext_ocsp_resp
= NULL
;
357 s
->tlsext_ocsp_resplen
= -1;
358 CRYPTO_add(&ctx
->references
,1,CRYPTO_LOCK_SSL_CTX
);
360 #ifndef OPENSSL_NO_EC
361 if (ctx
->tlsext_ecpointformatlist
)
363 s
->tlsext_ecpointformatlist
=
364 BUF_memdup(ctx
->tlsext_ecpointformatlist
,
365 ctx
->tlsext_ecpointformatlist_length
);
366 if (!s
->tlsext_ecpointformatlist
)
368 s
->tlsext_ecpointformatlist_length
=
369 ctx
->tlsext_ecpointformatlist_length
;
371 if (ctx
->tlsext_ellipticcurvelist
)
373 s
->tlsext_ellipticcurvelist
=
374 BUF_memdup(ctx
->tlsext_ellipticcurvelist
,
375 ctx
->tlsext_ellipticcurvelist_length
);
376 if (!s
->tlsext_ellipticcurvelist
)
378 s
->tlsext_ellipticcurvelist_length
=
379 ctx
->tlsext_ellipticcurvelist_length
;
382 # ifndef OPENSSL_NO_NEXTPROTONEG
383 s
->next_proto_negotiated
= NULL
;
386 if (s
->ctx
->alpn_client_proto_list
)
388 s
->alpn_client_proto_list
=
389 OPENSSL_malloc(s
->ctx
->alpn_client_proto_list_len
);
390 if (s
->alpn_client_proto_list
== NULL
)
392 memcpy(s
->alpn_client_proto_list
, s
->ctx
->alpn_client_proto_list
,
393 s
->ctx
->alpn_client_proto_list_len
);
394 s
->alpn_client_proto_list_len
= s
->ctx
->alpn_client_proto_list_len
;
398 s
->verify_result
=X509_V_OK
;
400 s
->method
=ctx
->method
;
402 if (!s
->method
->ssl_new(s
))
406 s
->server
=(ctx
->method
->ssl_accept
== ssl_undefined_function
)?0:1;
410 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
412 #ifndef OPENSSL_NO_PSK
413 s
->psk_client_callback
=ctx
->psk_client_callback
;
414 s
->psk_server_callback
=ctx
->psk_server_callback
;
422 ssl_cert_free(s
->cert
);
424 SSL_CTX_free(s
->ctx
); /* decrement reference count */
427 SSLerr(SSL_F_SSL_NEW
,ERR_R_MALLOC_FAILURE
);
431 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
,const unsigned char *sid_ctx
,
432 unsigned int sid_ctx_len
)
434 if(sid_ctx_len
> sizeof ctx
->sid_ctx
)
436 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT
,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
439 ctx
->sid_ctx_length
=sid_ctx_len
;
440 memcpy(ctx
->sid_ctx
,sid_ctx
,sid_ctx_len
);
445 int SSL_set_session_id_context(SSL
*ssl
,const unsigned char *sid_ctx
,
446 unsigned int sid_ctx_len
)
448 if(sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
)
450 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT
,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
453 ssl
->sid_ctx_length
=sid_ctx_len
;
454 memcpy(ssl
->sid_ctx
,sid_ctx
,sid_ctx_len
);
459 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
461 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX
);
462 ctx
->generate_session_id
= cb
;
463 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX
);
467 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
469 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
470 ssl
->generate_session_id
= cb
;
471 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
475 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
478 /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
479 * we can "construct" a session to give us the desired check - ie. to
480 * find if there's a session in the hash table that would conflict with
481 * any new session built out of this id/id_len and the ssl_version in
482 * use by this SSL. */
485 if(id_len
> sizeof r
.session_id
)
488 r
.ssl_version
= ssl
->version
;
489 r
.session_id_length
= id_len
;
490 memcpy(r
.session_id
, id
, id_len
);
491 /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
492 * callback is calling us to check the uniqueness of a shorter ID, it
493 * must be compared as a padded-out ID because that is what it will be
494 * converted to when the callback has finished choosing it. */
495 if((r
.ssl_version
== SSL2_VERSION
) &&
496 (id_len
< SSL2_SSL_SESSION_ID_LENGTH
))
498 memset(r
.session_id
+ id_len
, 0,
499 SSL2_SSL_SESSION_ID_LENGTH
- id_len
);
500 r
.session_id_length
= SSL2_SSL_SESSION_ID_LENGTH
;
503 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX
);
504 p
= lh_SSL_SESSION_retrieve(ssl
->ctx
->sessions
, &r
);
505 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX
);
509 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
511 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
514 int SSL_set_purpose(SSL
*s
, int purpose
)
516 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
519 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
521 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
524 int SSL_set_trust(SSL
*s
, int trust
)
526 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
529 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
531 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
534 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
536 return X509_VERIFY_PARAM_set1(ssl
->param
, vpm
);
539 X509_VERIFY_PARAM
*SSL_CTX_get0_param(SSL_CTX
*ctx
)
544 X509_VERIFY_PARAM
*SSL_get0_param(SSL
*ssl
)
549 void SSL_certs_clear(SSL
*s
)
551 ssl_cert_clear_certs(s
->cert
);
554 void SSL_free(SSL
*s
)
561 i
=CRYPTO_add(&s
->references
,-1,CRYPTO_LOCK_SSL
);
569 fprintf(stderr
,"SSL_free, bad reference count\n");
575 X509_VERIFY_PARAM_free(s
->param
);
577 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
581 /* If the buffering BIO is in place, pop it off */
582 if (s
->bbio
== s
->wbio
)
584 s
->wbio
=BIO_pop(s
->wbio
);
590 BIO_free_all(s
->rbio
);
591 if ((s
->wbio
!= NULL
) && (s
->wbio
!= s
->rbio
))
592 BIO_free_all(s
->wbio
);
594 if (s
->init_buf
!= NULL
) BUF_MEM_free(s
->init_buf
);
596 /* add extra stuff */
597 if (s
->cipher_list
!= NULL
) sk_SSL_CIPHER_free(s
->cipher_list
);
598 if (s
->cipher_list_by_id
!= NULL
) sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
600 /* Make the next call work :-) */
601 if (s
->session
!= NULL
)
603 ssl_clear_bad_session(s
);
604 SSL_SESSION_free(s
->session
);
607 ssl_clear_cipher_ctx(s
);
608 ssl_clear_hash_ctx(&s
->read_hash
);
609 ssl_clear_hash_ctx(&s
->write_hash
);
611 if (s
->cert
!= NULL
) ssl_cert_free(s
->cert
);
612 /* Free up if allocated */
614 #ifndef OPENSSL_NO_TLSEXT
615 if (s
->tlsext_hostname
)
616 OPENSSL_free(s
->tlsext_hostname
);
617 if (s
->initial_ctx
) SSL_CTX_free(s
->initial_ctx
);
618 #ifndef OPENSSL_NO_EC
619 if (s
->tlsext_ecpointformatlist
) OPENSSL_free(s
->tlsext_ecpointformatlist
);
620 if (s
->tlsext_ellipticcurvelist
) OPENSSL_free(s
->tlsext_ellipticcurvelist
);
621 #endif /* OPENSSL_NO_EC */
622 if (s
->tlsext_opaque_prf_input
) OPENSSL_free(s
->tlsext_opaque_prf_input
);
623 if (s
->tlsext_ocsp_exts
)
624 sk_X509_EXTENSION_pop_free(s
->tlsext_ocsp_exts
,
625 X509_EXTENSION_free
);
626 if (s
->tlsext_ocsp_ids
)
627 sk_OCSP_RESPID_pop_free(s
->tlsext_ocsp_ids
, OCSP_RESPID_free
);
628 if (s
->tlsext_ocsp_resp
)
629 OPENSSL_free(s
->tlsext_ocsp_resp
);
630 if (s
->alpn_client_proto_list
)
631 OPENSSL_free(s
->alpn_client_proto_list
);
634 if (s
->client_CA
!= NULL
)
635 sk_X509_NAME_pop_free(s
->client_CA
,X509_NAME_free
);
637 if (s
->method
!= NULL
) s
->method
->ssl_free(s
);
639 if (s
->ctx
) SSL_CTX_free(s
->ctx
);
641 #ifndef OPENSSL_NO_KRB5
642 if (s
->kssl_ctx
!= NULL
)
643 kssl_ctx_free(s
->kssl_ctx
);
644 #endif /* OPENSSL_NO_KRB5 */
646 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
647 if (s
->next_proto_negotiated
)
648 OPENSSL_free(s
->next_proto_negotiated
);
651 if (s
->srtp_profiles
)
652 sk_SRTP_PROTECTION_PROFILE_free(s
->srtp_profiles
);
657 void SSL_set_bio(SSL
*s
,BIO
*rbio
,BIO
*wbio
)
659 /* If the output buffering BIO is still in place, remove it
663 if (s
->wbio
== s
->bbio
)
665 s
->wbio
=s
->wbio
->next_bio
;
666 s
->bbio
->next_bio
=NULL
;
669 if ((s
->rbio
!= NULL
) && (s
->rbio
!= rbio
))
670 BIO_free_all(s
->rbio
);
671 if ((s
->wbio
!= NULL
) && (s
->wbio
!= wbio
) && (s
->rbio
!= s
->wbio
))
672 BIO_free_all(s
->wbio
);
677 BIO
*SSL_get_rbio(const SSL
*s
)
680 BIO
*SSL_get_wbio(const SSL
*s
)
683 int SSL_get_fd(const SSL
*s
)
685 return(SSL_get_rfd(s
));
688 int SSL_get_rfd(const SSL
*s
)
694 r
=BIO_find_type(b
,BIO_TYPE_DESCRIPTOR
);
700 int SSL_get_wfd(const SSL
*s
)
706 r
=BIO_find_type(b
,BIO_TYPE_DESCRIPTOR
);
712 #ifndef OPENSSL_NO_SOCK
713 int SSL_set_fd(SSL
*s
,int fd
)
718 bio
=BIO_new(BIO_s_socket());
722 SSLerr(SSL_F_SSL_SET_FD
,ERR_R_BUF_LIB
);
725 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
726 SSL_set_bio(s
,bio
,bio
);
732 int SSL_set_wfd(SSL
*s
,int fd
)
737 if ((s
->rbio
== NULL
) || (BIO_method_type(s
->rbio
) != BIO_TYPE_SOCKET
)
738 || ((int)BIO_get_fd(s
->rbio
,NULL
) != fd
))
740 bio
=BIO_new(BIO_s_socket());
743 { SSLerr(SSL_F_SSL_SET_WFD
,ERR_R_BUF_LIB
); goto err
; }
744 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
745 SSL_set_bio(s
,SSL_get_rbio(s
),bio
);
748 SSL_set_bio(s
,SSL_get_rbio(s
),SSL_get_rbio(s
));
754 int SSL_set_rfd(SSL
*s
,int fd
)
759 if ((s
->wbio
== NULL
) || (BIO_method_type(s
->wbio
) != BIO_TYPE_SOCKET
)
760 || ((int)BIO_get_fd(s
->wbio
,NULL
) != fd
))
762 bio
=BIO_new(BIO_s_socket());
766 SSLerr(SSL_F_SSL_SET_RFD
,ERR_R_BUF_LIB
);
769 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
770 SSL_set_bio(s
,bio
,SSL_get_wbio(s
));
773 SSL_set_bio(s
,SSL_get_wbio(s
),SSL_get_wbio(s
));
781 /* return length of latest Finished message we sent, copy to 'buf' */
782 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
788 ret
= s
->s3
->tmp
.finish_md_len
;
791 memcpy(buf
, s
->s3
->tmp
.finish_md
, count
);
796 /* return length of latest Finished message we expected, copy to 'buf' */
797 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
803 ret
= s
->s3
->tmp
.peer_finish_md_len
;
806 memcpy(buf
, s
->s3
->tmp
.peer_finish_md
, count
);
812 int SSL_get_verify_mode(const SSL
*s
)
814 return(s
->verify_mode
);
817 int SSL_get_verify_depth(const SSL
*s
)
819 return X509_VERIFY_PARAM_get_depth(s
->param
);
822 int (*SSL_get_verify_callback(const SSL
*s
))(int,X509_STORE_CTX
*)
824 return(s
->verify_callback
);
827 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
829 return(ctx
->verify_mode
);
832 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
834 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
837 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
))(int,X509_STORE_CTX
*)
839 return(ctx
->default_verify_callback
);
842 void SSL_set_verify(SSL
*s
,int mode
,
843 int (*callback
)(int ok
,X509_STORE_CTX
*ctx
))
846 if (callback
!= NULL
)
847 s
->verify_callback
=callback
;
850 void SSL_set_verify_depth(SSL
*s
,int depth
)
852 X509_VERIFY_PARAM_set_depth(s
->param
, depth
);
855 void SSL_set_read_ahead(SSL
*s
,int yes
)
860 int SSL_get_read_ahead(const SSL
*s
)
862 return(s
->read_ahead
);
865 int SSL_pending(const SSL
*s
)
867 /* SSL_pending cannot work properly if read-ahead is enabled
868 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
869 * and it is impossible to fix since SSL_pending cannot report
870 * errors that may be observed while scanning the new data.
871 * (Note that SSL_pending() is often used as a boolean value,
872 * so we'd better not return -1.)
874 return(s
->method
->ssl_pending(s
));
877 X509
*SSL_get_peer_certificate(const SSL
*s
)
881 if ((s
== NULL
) || (s
->session
== NULL
))
886 if (r
== NULL
) return(r
);
888 CRYPTO_add(&r
->references
,1,CRYPTO_LOCK_X509
);
893 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
897 if ((s
== NULL
) || (s
->session
== NULL
) || (s
->session
->sess_cert
== NULL
))
900 r
=s
->session
->sess_cert
->cert_chain
;
902 /* If we are a client, cert_chain includes the peer's own
903 * certificate; if we are a server, it does not. */
908 /* Now in theory, since the calling process own 't' it should be safe to
909 * modify. We need to be able to read f without being hassled */
910 void SSL_copy_session_id(SSL
*t
,const SSL
*f
)
914 /* Do we need to to SSL locking? */
915 SSL_set_session(t
,SSL_get_session(f
));
917 /* what if we are setup as SSLv2 but want to talk SSLv3 or
919 if (t
->method
!= f
->method
)
921 t
->method
->ssl_free(t
); /* cleanup current */
922 t
->method
=f
->method
; /* change method */
923 t
->method
->ssl_new(t
); /* setup new */
929 CRYPTO_add(&f
->cert
->references
,1,CRYPTO_LOCK_SSL_CERT
);
934 if (tmp
!= NULL
) ssl_cert_free(tmp
);
935 SSL_set_session_id_context(t
,f
->sid_ctx
,f
->sid_ctx_length
);
938 /* Fix this so it checks all the valid key/cert options */
939 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
941 if ( (ctx
== NULL
) ||
942 (ctx
->cert
== NULL
) ||
943 (ctx
->cert
->key
->x509
== NULL
))
945 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,SSL_R_NO_CERTIFICATE_ASSIGNED
);
948 if (ctx
->cert
->key
->privatekey
== NULL
)
950 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
953 return(X509_check_private_key(ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
));
956 /* Fix this function so that it takes an optional type parameter */
957 int SSL_check_private_key(const SSL
*ssl
)
961 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,ERR_R_PASSED_NULL_PARAMETER
);
964 if (ssl
->cert
== NULL
)
966 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,SSL_R_NO_CERTIFICATE_ASSIGNED
);
969 if (ssl
->cert
->key
->x509
== NULL
)
971 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,SSL_R_NO_CERTIFICATE_ASSIGNED
);
974 if (ssl
->cert
->key
->privatekey
== NULL
)
976 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
979 return(X509_check_private_key(ssl
->cert
->key
->x509
,
980 ssl
->cert
->key
->privatekey
));
983 int SSL_accept(SSL
*s
)
985 if (s
->handshake_func
== 0)
986 /* Not properly initialized yet */
987 SSL_set_accept_state(s
);
989 return(s
->method
->ssl_accept(s
));
992 int SSL_connect(SSL
*s
)
994 if (s
->handshake_func
== 0)
995 /* Not properly initialized yet */
996 SSL_set_connect_state(s
);
998 return(s
->method
->ssl_connect(s
));
1001 long SSL_get_default_timeout(const SSL
*s
)
1003 return(s
->method
->get_timeout());
1006 int SSL_read(SSL
*s
,void *buf
,int num
)
1008 if (s
->handshake_func
== 0)
1010 SSLerr(SSL_F_SSL_READ
, SSL_R_UNINITIALIZED
);
1014 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
)
1016 s
->rwstate
=SSL_NOTHING
;
1019 return(s
->method
->ssl_read(s
,buf
,num
));
1022 int SSL_peek(SSL
*s
,void *buf
,int num
)
1024 if (s
->handshake_func
== 0)
1026 SSLerr(SSL_F_SSL_PEEK
, SSL_R_UNINITIALIZED
);
1030 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
)
1034 return(s
->method
->ssl_peek(s
,buf
,num
));
1037 int SSL_write(SSL
*s
,const void *buf
,int num
)
1039 if (s
->handshake_func
== 0)
1041 SSLerr(SSL_F_SSL_WRITE
, SSL_R_UNINITIALIZED
);
1045 if (s
->shutdown
& SSL_SENT_SHUTDOWN
)
1047 s
->rwstate
=SSL_NOTHING
;
1048 SSLerr(SSL_F_SSL_WRITE
,SSL_R_PROTOCOL_IS_SHUTDOWN
);
1051 return(s
->method
->ssl_write(s
,buf
,num
));
1054 int SSL_shutdown(SSL
*s
)
1056 /* Note that this function behaves differently from what one might
1057 * expect. Return values are 0 for no success (yet),
1058 * 1 for success; but calling it once is usually not enough,
1059 * even if blocking I/O is used (see ssl3_shutdown).
1062 if (s
->handshake_func
== 0)
1064 SSLerr(SSL_F_SSL_SHUTDOWN
, SSL_R_UNINITIALIZED
);
1068 if ((s
!= NULL
) && !SSL_in_init(s
))
1069 return(s
->method
->ssl_shutdown(s
));
1074 int SSL_renegotiate(SSL
*s
)
1076 if (s
->renegotiate
== 0)
1081 return(s
->method
->ssl_renegotiate(s
));
1084 int SSL_renegotiate_abbreviated(SSL
*s
)
1086 if (s
->renegotiate
== 0)
1091 return(s
->method
->ssl_renegotiate(s
));
1094 int SSL_renegotiate_pending(SSL
*s
)
1096 /* becomes true when negotiation is requested;
1097 * false again once a handshake has finished */
1098 return (s
->renegotiate
!= 0);
1101 long SSL_ctrl(SSL
*s
,int cmd
,long larg
,void *parg
)
1107 case SSL_CTRL_GET_READ_AHEAD
:
1108 return(s
->read_ahead
);
1109 case SSL_CTRL_SET_READ_AHEAD
:
1114 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1115 s
->msg_callback_arg
= parg
;
1118 case SSL_CTRL_OPTIONS
:
1119 return(s
->options
|=larg
);
1120 case SSL_CTRL_CLEAR_OPTIONS
:
1121 return(s
->options
&=~larg
);
1123 return(s
->mode
|=larg
);
1124 case SSL_CTRL_CLEAR_MODE
:
1125 return(s
->mode
&=~larg
);
1126 case SSL_CTRL_GET_MAX_CERT_LIST
:
1127 return(s
->max_cert_list
);
1128 case SSL_CTRL_SET_MAX_CERT_LIST
:
1130 s
->max_cert_list
=larg
;
1132 case SSL_CTRL_SET_MTU
:
1133 #ifndef OPENSSL_NO_DTLS1
1134 if (larg
< (long)dtls1_min_mtu())
1144 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1145 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1147 s
->max_send_fragment
= larg
;
1149 case SSL_CTRL_GET_RI_SUPPORT
:
1151 return s
->s3
->send_connection_binding
;
1153 case SSL_CTRL_CERT_FLAGS
:
1154 return(s
->cert
->cert_flags
|=larg
);
1155 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1156 return(s
->cert
->cert_flags
&=~larg
);
1158 case SSL_CTRL_GET_RAW_CIPHERLIST
:
1161 if (s
->cert
->ciphers_raw
== NULL
)
1163 *(unsigned char **)parg
= s
->cert
->ciphers_raw
;
1164 return (int)s
->cert
->ciphers_rawlen
;
1167 return ssl_put_cipher_by_char(s
,NULL
,NULL
);
1169 return(s
->method
->ssl_ctrl(s
,cmd
,larg
,parg
));
1173 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
)(void))
1177 case SSL_CTRL_SET_MSG_CALLBACK
:
1178 s
->msg_callback
= (void (*)(int write_p
, int version
, int content_type
, const void *buf
, size_t len
, SSL
*ssl
, void *arg
))(fp
);
1182 return(s
->method
->ssl_callback_ctrl(s
,cmd
,fp
));
1186 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
1188 return ctx
->sessions
;
1191 long SSL_CTX_ctrl(SSL_CTX
*ctx
,int cmd
,long larg
,void *parg
)
1194 /* For some cases with ctx == NULL perform syntax checks */
1199 #ifndef OPENSSL_NO_EC
1200 case SSL_CTRL_SET_CURVES_LIST
:
1201 return tls1_set_curves_list(NULL
, NULL
, parg
);
1203 case SSL_CTRL_SET_SIGALGS_LIST
:
1204 case SSL_CTRL_SET_CLIENT_SIGALGS_LIST
:
1205 return tls1_set_sigalgs_list(NULL
, parg
, 0);
1213 case SSL_CTRL_GET_READ_AHEAD
:
1214 return(ctx
->read_ahead
);
1215 case SSL_CTRL_SET_READ_AHEAD
:
1217 ctx
->read_ahead
=larg
;
1220 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1221 ctx
->msg_callback_arg
= parg
;
1224 case SSL_CTRL_GET_MAX_CERT_LIST
:
1225 return(ctx
->max_cert_list
);
1226 case SSL_CTRL_SET_MAX_CERT_LIST
:
1227 l
=ctx
->max_cert_list
;
1228 ctx
->max_cert_list
=larg
;
1231 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
1232 l
=ctx
->session_cache_size
;
1233 ctx
->session_cache_size
=larg
;
1235 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
1236 return(ctx
->session_cache_size
);
1237 case SSL_CTRL_SET_SESS_CACHE_MODE
:
1238 l
=ctx
->session_cache_mode
;
1239 ctx
->session_cache_mode
=larg
;
1241 case SSL_CTRL_GET_SESS_CACHE_MODE
:
1242 return(ctx
->session_cache_mode
);
1244 case SSL_CTRL_SESS_NUMBER
:
1245 return(lh_SSL_SESSION_num_items(ctx
->sessions
));
1246 case SSL_CTRL_SESS_CONNECT
:
1247 return(ctx
->stats
.sess_connect
);
1248 case SSL_CTRL_SESS_CONNECT_GOOD
:
1249 return(ctx
->stats
.sess_connect_good
);
1250 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
1251 return(ctx
->stats
.sess_connect_renegotiate
);
1252 case SSL_CTRL_SESS_ACCEPT
:
1253 return(ctx
->stats
.sess_accept
);
1254 case SSL_CTRL_SESS_ACCEPT_GOOD
:
1255 return(ctx
->stats
.sess_accept_good
);
1256 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
1257 return(ctx
->stats
.sess_accept_renegotiate
);
1258 case SSL_CTRL_SESS_HIT
:
1259 return(ctx
->stats
.sess_hit
);
1260 case SSL_CTRL_SESS_CB_HIT
:
1261 return(ctx
->stats
.sess_cb_hit
);
1262 case SSL_CTRL_SESS_MISSES
:
1263 return(ctx
->stats
.sess_miss
);
1264 case SSL_CTRL_SESS_TIMEOUTS
:
1265 return(ctx
->stats
.sess_timeout
);
1266 case SSL_CTRL_SESS_CACHE_FULL
:
1267 return(ctx
->stats
.sess_cache_full
);
1268 case SSL_CTRL_OPTIONS
:
1269 return(ctx
->options
|=larg
);
1270 case SSL_CTRL_CLEAR_OPTIONS
:
1271 return(ctx
->options
&=~larg
);
1273 return(ctx
->mode
|=larg
);
1274 case SSL_CTRL_CLEAR_MODE
:
1275 return(ctx
->mode
&=~larg
);
1276 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1277 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1279 ctx
->max_send_fragment
= larg
;
1281 case SSL_CTRL_CERT_FLAGS
:
1282 return(ctx
->cert
->cert_flags
|=larg
);
1283 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1284 return(ctx
->cert
->cert_flags
&=~larg
);
1286 return(ctx
->method
->ssl_ctx_ctrl(ctx
,cmd
,larg
,parg
));
1290 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
)(void))
1294 case SSL_CTRL_SET_MSG_CALLBACK
:
1295 ctx
->msg_callback
= (void (*)(int write_p
, int version
, int content_type
, const void *buf
, size_t len
, SSL
*ssl
, void *arg
))(fp
);
1299 return(ctx
->method
->ssl_ctx_callback_ctrl(ctx
,cmd
,fp
));
1303 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
1311 return((l
> 0)?1:-1);
1314 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
* const *ap
,
1315 const SSL_CIPHER
* const *bp
)
1319 l
=(*ap
)->id
-(*bp
)->id
;
1323 return((l
> 0)?1:-1);
1326 /** return a STACK of the ciphers available for the SSL and in order of
1328 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
1332 if (s
->cipher_list
!= NULL
)
1334 return(s
->cipher_list
);
1336 else if ((s
->ctx
!= NULL
) &&
1337 (s
->ctx
->cipher_list
!= NULL
))
1339 return(s
->ctx
->cipher_list
);
1345 STACK_OF(SSL_CIPHER
) *SSL_get1_supported_ciphers(SSL
*s
)
1347 STACK_OF(SSL_CIPHER
) *sk
= NULL
, *ciphers
;
1349 ciphers
= SSL_get_ciphers(s
);
1352 ssl_set_client_disabled(s
);
1353 for (i
= 0; i
< sk_SSL_CIPHER_num(ciphers
); i
++)
1355 const SSL_CIPHER
*c
= sk_SSL_CIPHER_value(ciphers
, i
);
1356 if (!ssl_cipher_disabled(s
, c
, SSL_SECOP_CIPHER_SUPPORTED
))
1359 sk
= sk_SSL_CIPHER_new_null();
1362 if (!sk_SSL_CIPHER_push(sk
, c
))
1364 sk_SSL_CIPHER_free(sk
);
1372 /** return a STACK of the ciphers available for the SSL and in order of
1374 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
)
1378 if (s
->cipher_list_by_id
!= NULL
)
1380 return(s
->cipher_list_by_id
);
1382 else if ((s
->ctx
!= NULL
) &&
1383 (s
->ctx
->cipher_list_by_id
!= NULL
))
1385 return(s
->ctx
->cipher_list_by_id
);
1391 /** The old interface to get the same thing as SSL_get_ciphers() */
1392 const char *SSL_get_cipher_list(const SSL
*s
,int n
)
1395 STACK_OF(SSL_CIPHER
) *sk
;
1397 if (s
== NULL
) return(NULL
);
1398 sk
=SSL_get_ciphers(s
);
1399 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
1401 c
=sk_SSL_CIPHER_value(sk
,n
);
1402 if (c
== NULL
) return(NULL
);
1406 /** specify the ciphers to be used by default by the SSL_CTX */
1407 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
1409 STACK_OF(SSL_CIPHER
) *sk
;
1411 sk
=ssl_create_cipher_list(ctx
->method
,&ctx
->cipher_list
,
1412 &ctx
->cipher_list_by_id
,str
, ctx
->cert
);
1413 /* ssl_create_cipher_list may return an empty stack if it
1414 * was unable to find a cipher matching the given rule string
1415 * (for example if the rule string specifies a cipher which
1416 * has been disabled). This is not an error as far as
1417 * ssl_create_cipher_list is concerned, and hence
1418 * ctx->cipher_list and ctx->cipher_list_by_id has been
1422 else if (sk_SSL_CIPHER_num(sk
) == 0)
1424 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1430 /** specify the ciphers to be used by the SSL */
1431 int SSL_set_cipher_list(SSL
*s
,const char *str
)
1433 STACK_OF(SSL_CIPHER
) *sk
;
1435 sk
=ssl_create_cipher_list(s
->ctx
->method
,&s
->cipher_list
,
1436 &s
->cipher_list_by_id
,str
, s
->cert
);
1437 /* see comment in SSL_CTX_set_cipher_list */
1440 else if (sk_SSL_CIPHER_num(sk
) == 0)
1442 SSLerr(SSL_F_SSL_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1448 /* works well for SSLv2, not so good for SSLv3 */
1449 char *SSL_get_shared_ciphers(const SSL
*s
,char *buf
,int len
)
1452 STACK_OF(SSL_CIPHER
) *sk
;
1456 if ((s
->session
== NULL
) || (s
->session
->ciphers
== NULL
) ||
1461 sk
=s
->session
->ciphers
;
1463 if (sk_SSL_CIPHER_num(sk
) == 0)
1466 for (i
=0; i
<sk_SSL_CIPHER_num(sk
); i
++)
1470 c
=sk_SSL_CIPHER_value(sk
,i
);
1488 int ssl_cipher_list_to_bytes(SSL
*s
,STACK_OF(SSL_CIPHER
) *sk
,unsigned char *p
,
1489 int (*put_cb
)(const SSL_CIPHER
*, unsigned char *))
1494 int no_scsv
= s
->renegotiate
;
1495 /* Set disabled masks for this session */
1496 ssl_set_client_disabled(s
);
1498 if (sk
== NULL
) return(0);
1501 for (i
=0; i
<sk_SSL_CIPHER_num(sk
); i
++)
1503 c
=sk_SSL_CIPHER_value(sk
,i
);
1504 /* Skip disabled ciphers */
1505 if (ssl_cipher_disabled(s
, c
, SSL_SECOP_CIPHER_SUPPORTED
))
1507 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1508 if (c
->id
== SSL3_CK_SCSV
)
1516 j
= put_cb
? put_cb(c
,p
) : ssl_put_cipher_by_char(s
,c
,p
);
1519 /* If p == q, no ciphers and caller indicates an error. Otherwise
1520 * add SCSV if not renegotiating.
1522 if (p
!= q
&& !no_scsv
)
1524 static SSL_CIPHER scsv
=
1526 0, NULL
, SSL3_CK_SCSV
, 0, 0, 0, 0, 0, 0, 0, 0, 0
1528 j
= put_cb
? put_cb(&scsv
,p
) : ssl_put_cipher_by_char(s
,&scsv
,p
);
1530 #ifdef OPENSSL_RI_DEBUG
1531 fprintf(stderr
, "SCSV sent by client\n");
1538 STACK_OF(SSL_CIPHER
) *ssl_bytes_to_cipher_list(SSL
*s
,unsigned char *p
,int num
,
1539 STACK_OF(SSL_CIPHER
) **skp
)
1541 const SSL_CIPHER
*c
;
1542 STACK_OF(SSL_CIPHER
) *sk
;
1545 s
->s3
->send_connection_binding
= 0;
1547 n
=ssl_put_cipher_by_char(s
,NULL
,NULL
);
1550 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
1553 if ((skp
== NULL
) || (*skp
== NULL
))
1554 sk
=sk_SSL_CIPHER_new_null(); /* change perhaps later */
1558 sk_SSL_CIPHER_zero(sk
);
1561 if (s
->cert
->ciphers_raw
)
1562 OPENSSL_free(s
->cert
->ciphers_raw
);
1563 s
->cert
->ciphers_raw
= BUF_memdup(p
, num
);
1564 if (s
->cert
->ciphers_raw
== NULL
)
1566 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,ERR_R_MALLOC_FAILURE
);
1569 s
->cert
->ciphers_rawlen
= (size_t)num
;
1571 for (i
=0; i
<num
; i
+=n
)
1573 /* Check for SCSV */
1574 if (s
->s3
&& (n
!= 3 || !p
[0]) &&
1575 (p
[n
-2] == ((SSL3_CK_SCSV
>> 8) & 0xff)) &&
1576 (p
[n
-1] == (SSL3_CK_SCSV
& 0xff)))
1578 /* SCSV fatal if renegotiating */
1581 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING
);
1582 ssl3_send_alert(s
,SSL3_AL_FATAL
,SSL_AD_HANDSHAKE_FAILURE
);
1585 s
->s3
->send_connection_binding
= 1;
1587 #ifdef OPENSSL_RI_DEBUG
1588 fprintf(stderr
, "SCSV received by server\n");
1593 c
=ssl_get_cipher_by_char(s
,p
);
1597 if (!sk_SSL_CIPHER_push(sk
,c
))
1599 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,ERR_R_MALLOC_FAILURE
);
1609 if ((skp
== NULL
) || (*skp
== NULL
))
1610 sk_SSL_CIPHER_free(sk
);
1615 #ifndef OPENSSL_NO_TLSEXT
1616 /** return a servername extension value if provided in Client Hello, or NULL.
1617 * So far, only host_name types are defined (RFC 3546).
1620 const char *SSL_get_servername(const SSL
*s
, const int type
)
1622 if (type
!= TLSEXT_NAMETYPE_host_name
)
1625 return s
->session
&& !s
->tlsext_hostname
?
1626 s
->session
->tlsext_hostname
:
1630 int SSL_get_servername_type(const SSL
*s
)
1632 if (s
->session
&& (!s
->tlsext_hostname
? s
->session
->tlsext_hostname
: s
->tlsext_hostname
))
1633 return TLSEXT_NAMETYPE_host_name
;
1637 /* SSL_select_next_proto implements the standard protocol selection. It is
1638 * expected that this function is called from the callback set by
1639 * SSL_CTX_set_next_proto_select_cb.
1641 * The protocol data is assumed to be a vector of 8-bit, length prefixed byte
1642 * strings. The length byte itself is not included in the length. A byte
1643 * string of length 0 is invalid. No byte string may be truncated.
1645 * The current, but experimental algorithm for selecting the protocol is:
1647 * 1) If the server doesn't support NPN then this is indicated to the
1648 * callback. In this case, the client application has to abort the connection
1649 * or have a default application level protocol.
1651 * 2) If the server supports NPN, but advertises an empty list then the
1652 * client selects the first protcol in its list, but indicates via the
1653 * API that this fallback case was enacted.
1655 * 3) Otherwise, the client finds the first protocol in the server's list
1656 * that it supports and selects this protocol. This is because it's
1657 * assumed that the server has better information about which protocol
1658 * a client should use.
1660 * 4) If the client doesn't support any of the server's advertised
1661 * protocols, then this is treated the same as case 2.
1664 * OPENSSL_NPN_NEGOTIATED if a common protocol was found, or
1665 * OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
1667 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
)
1670 const unsigned char *result
;
1671 int status
= OPENSSL_NPN_UNSUPPORTED
;
1673 /* For each protocol in server preference order, see if we support it. */
1674 for (i
= 0; i
< server_len
; )
1676 for (j
= 0; j
< client_len
; )
1678 if (server
[i
] == client
[j
] &&
1679 memcmp(&server
[i
+1], &client
[j
+1], server
[i
]) == 0)
1681 /* We found a match */
1682 result
= &server
[i
];
1683 status
= OPENSSL_NPN_NEGOTIATED
;
1693 /* There's no overlap between our protocols and the server's list. */
1695 status
= OPENSSL_NPN_NO_OVERLAP
;
1698 *out
= (unsigned char *) result
+ 1;
1699 *outlen
= result
[0];
1703 # ifndef OPENSSL_NO_NEXTPROTONEG
1704 /* SSL_get0_next_proto_negotiated sets *data and *len to point to the client's
1705 * requested protocol for this connection and returns 0. If the client didn't
1706 * request any protocol, then *data is set to NULL.
1708 * Note that the client can request any protocol it chooses. The value returned
1709 * from this function need not be a member of the list of supported protocols
1710 * provided by the callback.
1712 void SSL_get0_next_proto_negotiated(const SSL
*s
, const unsigned char **data
, unsigned *len
)
1714 *data
= s
->next_proto_negotiated
;
1718 *len
= s
->next_proto_negotiated_len
;
1722 /* SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when a
1723 * TLS server needs a list of supported protocols for Next Protocol
1724 * Negotiation. The returned list must be in wire format. The list is returned
1725 * by setting |out| to point to it and |outlen| to its length. This memory will
1726 * not be modified, but one should assume that the SSL* keeps a reference to
1729 * The callback should return SSL_TLSEXT_ERR_OK if it wishes to advertise. Otherwise, no
1730 * such extension will be included in the ServerHello. */
1731 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
)
1733 ctx
->next_protos_advertised_cb
= cb
;
1734 ctx
->next_protos_advertised_cb_arg
= arg
;
1737 /* SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
1738 * client needs to select a protocol from the server's provided list. |out|
1739 * must be set to point to the selected protocol (which may be within |in|).
1740 * The length of the protocol name must be written into |outlen|. The server's
1741 * advertised protocols are provided in |in| and |inlen|. The callback can
1742 * assume that |in| is syntactically valid.
1744 * The client must select a protocol. It is fatal to the connection if this
1745 * callback returns a value other than SSL_TLSEXT_ERR_OK.
1747 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
)
1749 ctx
->next_proto_select_cb
= cb
;
1750 ctx
->next_proto_select_cb_arg
= arg
;
1754 static int cert_set_custom_cli_ext(CERT
*cert
, unsigned short ext_type
,
1755 custom_cli_ext_first_cb_fn fn1
,
1756 custom_cli_ext_second_cb_fn fn2
, void* arg
)
1759 custom_cli_ext_record
* record
;
1761 /* Check for duplicates */
1762 for (i
=0; i
< cert
->custom_cli_ext_records_count
; i
++)
1763 if (ext_type
== cert
->custom_cli_ext_records
[i
].ext_type
)
1766 cert
->custom_cli_ext_records
= OPENSSL_realloc(cert
->custom_cli_ext_records
,
1767 (cert
->custom_cli_ext_records_count
+ 1) *
1768 sizeof(custom_cli_ext_record
));
1769 if (!cert
->custom_cli_ext_records
) {
1770 cert
->custom_cli_ext_records_count
= 0;
1773 cert
->custom_cli_ext_records_count
++;
1774 record
= &cert
->custom_cli_ext_records
[cert
->custom_cli_ext_records_count
- 1];
1775 record
->ext_type
= ext_type
;
1782 static int cert_set_custom_srv_ext(CERT
*cert
, unsigned short ext_type
,
1783 custom_srv_ext_first_cb_fn fn1
,
1784 custom_srv_ext_second_cb_fn fn2
, void* arg
)
1787 custom_srv_ext_record
* record
;
1789 /* Check for duplicates */
1790 for (i
=0; i
< cert
->custom_srv_ext_records_count
; i
++)
1791 if (ext_type
== cert
->custom_srv_ext_records
[i
].ext_type
)
1794 cert
->custom_srv_ext_records
= OPENSSL_realloc(cert
->custom_srv_ext_records
,
1795 (cert
->custom_srv_ext_records_count
+ 1) *
1796 sizeof(custom_srv_ext_record
));
1797 if (!cert
->custom_srv_ext_records
) {
1798 cert
->custom_srv_ext_records_count
= 0;
1801 cert
->custom_srv_ext_records_count
++;
1802 record
= &cert
->custom_srv_ext_records
[cert
->custom_srv_ext_records_count
- 1];
1803 record
->ext_type
= ext_type
;
1810 int SSL_CTX_set_custom_cli_ext(SSL_CTX
*ctx
, unsigned short ext_type
,
1811 custom_cli_ext_first_cb_fn fn1
,
1812 custom_cli_ext_second_cb_fn fn2
, void *arg
)
1814 return cert_set_custom_cli_ext(ctx
->cert
, ext_type
, fn1
, fn2
,arg
);
1817 int SSL_CTX_set_custom_srv_ext(SSL_CTX
*ctx
, unsigned short ext_type
,
1818 custom_srv_ext_first_cb_fn fn1
,
1819 custom_srv_ext_second_cb_fn fn2
, void *arg
)
1821 return cert_set_custom_srv_ext(ctx
->cert
, ext_type
, fn1
, fn2
,arg
);
1824 /* SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
1825 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1826 * length-prefixed strings).
1828 * Returns 0 on success. */
1829 int SSL_CTX_set_alpn_protos(SSL_CTX
*ctx
, const unsigned char* protos
,
1830 unsigned protos_len
)
1832 if (ctx
->alpn_client_proto_list
)
1833 OPENSSL_free(ctx
->alpn_client_proto_list
);
1835 ctx
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
1836 if (!ctx
->alpn_client_proto_list
)
1838 memcpy(ctx
->alpn_client_proto_list
, protos
, protos_len
);
1839 ctx
->alpn_client_proto_list_len
= protos_len
;
1844 /* SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
1845 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1846 * length-prefixed strings).
1848 * Returns 0 on success. */
1849 int SSL_set_alpn_protos(SSL
*ssl
, const unsigned char* protos
,
1850 unsigned protos_len
)
1852 if (ssl
->alpn_client_proto_list
)
1853 OPENSSL_free(ssl
->alpn_client_proto_list
);
1855 ssl
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
1856 if (!ssl
->alpn_client_proto_list
)
1858 memcpy(ssl
->alpn_client_proto_list
, protos
, protos_len
);
1859 ssl
->alpn_client_proto_list_len
= protos_len
;
1864 /* SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is called
1865 * during ClientHello processing in order to select an ALPN protocol from the
1866 * client's list of offered protocols. */
1867 void SSL_CTX_set_alpn_select_cb(SSL_CTX
* ctx
,
1868 int (*cb
) (SSL
*ssl
,
1869 const unsigned char **out
,
1870 unsigned char *outlen
,
1871 const unsigned char *in
,
1876 ctx
->alpn_select_cb
= cb
;
1877 ctx
->alpn_select_cb_arg
= arg
;
1880 /* SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|.
1881 * On return it sets |*data| to point to |*len| bytes of protocol name (not
1882 * including the leading length-prefix byte). If the server didn't respond with
1883 * a negotiated protocol then |*len| will be zero. */
1884 void SSL_get0_alpn_selected(const SSL
*ssl
, const unsigned char **data
,
1889 *data
= ssl
->s3
->alpn_selected
;
1893 *len
= ssl
->s3
->alpn_selected_len
;
1896 #endif /* !OPENSSL_NO_TLSEXT */
1898 int SSL_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
1899 const char *label
, size_t llen
, const unsigned char *p
, size_t plen
,
1902 if (s
->version
< TLS1_VERSION
)
1905 return s
->method
->ssl3_enc
->export_keying_material(s
, out
, olen
, label
,
1910 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
1915 ((unsigned int) a
->session_id
[0] )|
1916 ((unsigned int) a
->session_id
[1]<< 8L)|
1917 ((unsigned long)a
->session_id
[2]<<16L)|
1918 ((unsigned long)a
->session_id
[3]<<24L);
1922 /* NB: If this function (or indeed the hash function which uses a sort of
1923 * coarser function than this one) is changed, ensure
1924 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
1925 * able to construct an SSL_SESSION that will collide with any existing session
1926 * with a matching session ID. */
1927 static int ssl_session_cmp(const SSL_SESSION
*a
,const SSL_SESSION
*b
)
1929 if (a
->ssl_version
!= b
->ssl_version
)
1931 if (a
->session_id_length
!= b
->session_id_length
)
1933 return(memcmp(a
->session_id
,b
->session_id
,a
->session_id_length
));
1936 /* These wrapper functions should remain rather than redeclaring
1937 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1938 * variable. The reason is that the functions aren't static, they're exposed via
1940 static IMPLEMENT_LHASH_HASH_FN(ssl_session
, SSL_SESSION
)
1941 static IMPLEMENT_LHASH_COMP_FN(ssl_session
, SSL_SESSION
)
1943 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
1949 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_NULL_SSL_METHOD_PASSED
);
1954 if (FIPS_mode() && (meth
->version
< TLS1_VERSION
))
1956 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE
);
1961 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1963 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
1966 ret
=(SSL_CTX
*)OPENSSL_malloc(sizeof(SSL_CTX
));
1970 memset(ret
,0,sizeof(SSL_CTX
));
1974 ret
->cert_store
=NULL
;
1975 ret
->session_cache_mode
=SSL_SESS_CACHE_SERVER
;
1976 ret
->session_cache_size
=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
1977 ret
->session_cache_head
=NULL
;
1978 ret
->session_cache_tail
=NULL
;
1980 /* We take the system default */
1981 ret
->session_timeout
=meth
->get_timeout();
1983 ret
->new_session_cb
=0;
1984 ret
->remove_session_cb
=0;
1985 ret
->get_session_cb
=0;
1986 ret
->generate_session_id
=0;
1988 memset((char *)&ret
->stats
,0,sizeof(ret
->stats
));
1991 ret
->quiet_shutdown
=0;
1993 /* ret->cipher=NULL;*/
1994 /* ret->s2->challenge=NULL;
1995 ret->master_key=NULL;
1997 ret->s2->conn_id=NULL; */
1999 ret
->info_callback
=NULL
;
2001 ret
->app_verify_callback
=0;
2002 ret
->app_verify_arg
=NULL
;
2004 ret
->max_cert_list
=SSL_MAX_CERT_LIST_DEFAULT
;
2006 ret
->msg_callback
=0;
2007 ret
->msg_callback_arg
=NULL
;
2008 ret
->verify_mode
=SSL_VERIFY_NONE
;
2010 ret
->verify_depth
=-1; /* Don't impose a limit (but x509_lu.c does) */
2012 ret
->sid_ctx_length
=0;
2013 ret
->default_verify_callback
=NULL
;
2014 if ((ret
->cert
=ssl_cert_new()) == NULL
)
2017 ret
->default_passwd_callback
=0;
2018 ret
->default_passwd_callback_userdata
=NULL
;
2019 ret
->client_cert_cb
=0;
2020 ret
->app_gen_cookie_cb
=0;
2021 ret
->app_verify_cookie_cb
=0;
2023 ret
->sessions
=lh_SSL_SESSION_new();
2024 if (ret
->sessions
== NULL
) goto err
;
2025 ret
->cert_store
=X509_STORE_new();
2026 if (ret
->cert_store
== NULL
) goto err
;
2028 ssl_create_cipher_list(ret
->method
,
2029 &ret
->cipher_list
,&ret
->cipher_list_by_id
,
2030 meth
->version
== SSL2_VERSION
? "SSLv2" : SSL_DEFAULT_CIPHER_LIST
, ret
->cert
);
2031 if (ret
->cipher_list
== NULL
2032 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0)
2034 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_LIBRARY_HAS_NO_CIPHERS
);
2038 ret
->param
= X509_VERIFY_PARAM_new();
2042 if ((ret
->rsa_md5
=EVP_get_digestbyname("ssl2-md5")) == NULL
)
2044 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES
);
2047 if ((ret
->md5
=EVP_get_digestbyname("ssl3-md5")) == NULL
)
2049 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES
);
2052 if ((ret
->sha1
=EVP_get_digestbyname("ssl3-sha1")) == NULL
)
2054 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES
);
2058 if ((ret
->client_CA
=sk_X509_NAME_new_null()) == NULL
)
2061 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
);
2063 ret
->extra_certs
=NULL
;
2064 /* No compression for DTLS */
2065 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
))
2066 ret
->comp_methods
=SSL_COMP_get_compression_methods();
2068 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
2070 #ifndef OPENSSL_NO_TLSEXT
2071 ret
->tlsext_servername_callback
= 0;
2072 ret
->tlsext_servername_arg
= NULL
;
2073 /* Setup RFC4507 ticket keys */
2074 if ((RAND_pseudo_bytes(ret
->tlsext_tick_key_name
, 16) <= 0)
2075 || (RAND_bytes(ret
->tlsext_tick_hmac_key
, 16) <= 0)
2076 || (RAND_bytes(ret
->tlsext_tick_aes_key
, 16) <= 0))
2077 ret
->options
|= SSL_OP_NO_TICKET
;
2079 ret
->tlsext_status_cb
= 0;
2080 ret
->tlsext_status_arg
= NULL
;
2082 # ifndef OPENSSL_NO_NEXTPROTONEG
2083 ret
->next_protos_advertised_cb
= 0;
2084 ret
->next_proto_select_cb
= 0;
2087 #ifndef OPENSSL_NO_PSK
2088 ret
->psk_identity_hint
=NULL
;
2089 ret
->psk_client_callback
=NULL
;
2090 ret
->psk_server_callback
=NULL
;
2092 #ifndef OPENSSL_NO_SRP
2093 SSL_CTX_SRP_CTX_init(ret
);
2095 #ifndef OPENSSL_NO_BUF_FREELISTS
2096 ret
->freelist_max_len
= SSL_MAX_BUF_FREELIST_LEN_DEFAULT
;
2097 ret
->rbuf_freelist
= OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST
));
2098 if (!ret
->rbuf_freelist
)
2100 ret
->rbuf_freelist
->chunklen
= 0;
2101 ret
->rbuf_freelist
->len
= 0;
2102 ret
->rbuf_freelist
->head
= NULL
;
2103 ret
->wbuf_freelist
= OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST
));
2104 if (!ret
->wbuf_freelist
)
2106 OPENSSL_free(ret
->rbuf_freelist
);
2109 ret
->wbuf_freelist
->chunklen
= 0;
2110 ret
->wbuf_freelist
->len
= 0;
2111 ret
->wbuf_freelist
->head
= NULL
;
2113 #ifndef OPENSSL_NO_ENGINE
2114 ret
->client_cert_engine
= NULL
;
2115 #ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
2116 #define eng_strx(x) #x
2117 #define eng_str(x) eng_strx(x)
2118 /* Use specific client engine automatically... ignore errors */
2121 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
2125 ENGINE_load_builtin_engines();
2126 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
2128 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
2133 /* Default is to connect to non-RI servers. When RI is more widely
2134 * deployed might change this.
2136 ret
->options
|= SSL_OP_LEGACY_SERVER_CONNECT
;
2140 SSLerr(SSL_F_SSL_CTX_NEW
,ERR_R_MALLOC_FAILURE
);
2142 if (ret
!= NULL
) SSL_CTX_free(ret
);
2147 static void SSL_COMP_free(SSL_COMP
*comp
)
2148 { OPENSSL_free(comp
); }
2151 #ifndef OPENSSL_NO_BUF_FREELISTS
2153 ssl_buf_freelist_free(SSL3_BUF_FREELIST
*list
)
2155 SSL3_BUF_FREELIST_ENTRY
*ent
, *next
;
2156 for (ent
= list
->head
; ent
; ent
= next
)
2165 void SSL_CTX_free(SSL_CTX
*a
)
2169 if (a
== NULL
) return;
2171 i
=CRYPTO_add(&a
->references
,-1,CRYPTO_LOCK_SSL_CTX
);
2173 REF_PRINT("SSL_CTX",a
);
2179 fprintf(stderr
,"SSL_CTX_free, bad reference count\n");
2185 X509_VERIFY_PARAM_free(a
->param
);
2188 * Free internal session cache. However: the remove_cb() may reference
2189 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
2190 * after the sessions were flushed.
2191 * As the ex_data handling routines might also touch the session cache,
2192 * the most secure solution seems to be: empty (flush) the cache, then
2193 * free ex_data, then finally free the cache.
2194 * (See ticket [openssl.org #212].)
2196 if (a
->sessions
!= NULL
)
2197 SSL_CTX_flush_sessions(a
,0);
2199 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, a
, &a
->ex_data
);
2201 if (a
->sessions
!= NULL
)
2202 lh_SSL_SESSION_free(a
->sessions
);
2204 if (a
->cert_store
!= NULL
)
2205 X509_STORE_free(a
->cert_store
);
2206 if (a
->cipher_list
!= NULL
)
2207 sk_SSL_CIPHER_free(a
->cipher_list
);
2208 if (a
->cipher_list_by_id
!= NULL
)
2209 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
2210 if (a
->cert
!= NULL
)
2211 ssl_cert_free(a
->cert
);
2212 if (a
->client_CA
!= NULL
)
2213 sk_X509_NAME_pop_free(a
->client_CA
,X509_NAME_free
);
2214 if (a
->extra_certs
!= NULL
)
2215 sk_X509_pop_free(a
->extra_certs
,X509_free
);
2216 #if 0 /* This should never be done, since it removes a global database */
2217 if (a
->comp_methods
!= NULL
)
2218 sk_SSL_COMP_pop_free(a
->comp_methods
,SSL_COMP_free
);
2220 a
->comp_methods
= NULL
;
2223 if (a
->srtp_profiles
)
2224 sk_SRTP_PROTECTION_PROFILE_free(a
->srtp_profiles
);
2226 #ifndef OPENSSL_NO_PSK
2227 if (a
->psk_identity_hint
)
2228 OPENSSL_free(a
->psk_identity_hint
);
2230 #ifndef OPENSSL_NO_SRP
2231 SSL_CTX_SRP_CTX_free(a
);
2233 #ifndef OPENSSL_NO_ENGINE
2234 if (a
->client_cert_engine
)
2235 ENGINE_finish(a
->client_cert_engine
);
2238 #ifndef OPENSSL_NO_BUF_FREELISTS
2239 if (a
->wbuf_freelist
)
2240 ssl_buf_freelist_free(a
->wbuf_freelist
);
2241 if (a
->rbuf_freelist
)
2242 ssl_buf_freelist_free(a
->rbuf_freelist
);
2244 #ifndef OPENSSL_NO_TLSEXT
2245 # ifndef OPENSSL_NO_EC
2246 if (a
->tlsext_ecpointformatlist
)
2247 OPENSSL_free(a
->tlsext_ecpointformatlist
);
2248 if (a
->tlsext_ellipticcurvelist
)
2249 OPENSSL_free(a
->tlsext_ellipticcurvelist
);
2250 # endif /* OPENSSL_NO_EC */
2251 if (a
->alpn_client_proto_list
!= NULL
)
2252 OPENSSL_free(a
->alpn_client_proto_list
);
2258 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
2260 ctx
->default_passwd_callback
=cb
;
2263 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
,void *u
)
2265 ctx
->default_passwd_callback_userdata
=u
;
2268 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
, int (*cb
)(X509_STORE_CTX
*,void *), void *arg
)
2270 ctx
->app_verify_callback
=cb
;
2271 ctx
->app_verify_arg
=arg
;
2274 void SSL_CTX_set_verify(SSL_CTX
*ctx
,int mode
,int (*cb
)(int, X509_STORE_CTX
*))
2276 ctx
->verify_mode
=mode
;
2277 ctx
->default_verify_callback
=cb
;
2280 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
,int depth
)
2282 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
2285 void SSL_CTX_set_cert_cb(SSL_CTX
*c
, int (*cb
)(SSL
*ssl
, void *arg
), void *arg
)
2287 ssl_cert_set_cert_cb(c
->cert
, cb
, arg
);
2290 void SSL_set_cert_cb(SSL
*s
, int (*cb
)(SSL
*ssl
, void *arg
), void *arg
)
2292 ssl_cert_set_cert_cb(s
->cert
, cb
, arg
);
2295 void ssl_set_cert_masks(CERT
*c
, const SSL_CIPHER
*cipher
)
2298 int rsa_enc
,rsa_tmp
,rsa_sign
,dh_tmp
,dh_rsa
,dh_dsa
,dsa_sign
;
2299 int rsa_enc_export
,dh_rsa_export
,dh_dsa_export
;
2300 int rsa_tmp_export
,dh_tmp_export
,kl
;
2301 unsigned long mask_k
,mask_a
,emask_k
,emask_a
;
2302 #ifndef OPENSSL_NO_ECDSA
2303 int have_ecc_cert
, ecdsa_ok
, ecc_pkey_size
;
2305 #ifndef OPENSSL_NO_ECDH
2306 int have_ecdh_tmp
, ecdh_ok
;
2308 #ifndef OPENSSL_NO_EC
2310 EVP_PKEY
*ecc_pkey
= NULL
;
2311 int signature_nid
= 0, pk_nid
= 0, md_nid
= 0;
2313 if (c
== NULL
) return;
2315 kl
=SSL_C_EXPORT_PKEYLENGTH(cipher
);
2317 #ifndef OPENSSL_NO_RSA
2318 rsa_tmp
=(c
->rsa_tmp
!= NULL
|| c
->rsa_tmp_cb
!= NULL
);
2319 rsa_tmp_export
=(c
->rsa_tmp_cb
!= NULL
||
2320 (rsa_tmp
&& RSA_size(c
->rsa_tmp
)*8 <= kl
));
2322 rsa_tmp
=rsa_tmp_export
=0;
2324 #ifndef OPENSSL_NO_DH
2325 dh_tmp
=(c
->dh_tmp
!= NULL
|| c
->dh_tmp_cb
!= NULL
|| c
->dh_tmp_auto
);
2326 dh_tmp_export
= !c
->dh_tmp_auto
&& (c
->dh_tmp_cb
!= NULL
||
2327 (dh_tmp
&& DH_size(c
->dh_tmp
)*8 <= kl
));
2329 dh_tmp
=dh_tmp_export
=0;
2332 #ifndef OPENSSL_NO_ECDH
2333 have_ecdh_tmp
=(c
->ecdh_tmp
|| c
->ecdh_tmp_cb
|| c
->ecdh_tmp_auto
);
2335 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_ENC
]);
2336 rsa_enc
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2337 rsa_enc_export
=(rsa_enc
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
2338 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_SIGN
]);
2339 rsa_sign
= cpk
->valid_flags
& CERT_PKEY_SIGN
;
2340 cpk
= &(c
->pkeys
[SSL_PKEY_DSA_SIGN
]);
2341 dsa_sign
= cpk
->valid_flags
& CERT_PKEY_SIGN
;
2342 cpk
= &(c
->pkeys
[SSL_PKEY_DH_RSA
]);
2343 dh_rsa
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2344 dh_rsa_export
=(dh_rsa
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
2345 cpk
= &(c
->pkeys
[SSL_PKEY_DH_DSA
]);
2346 /* FIX THIS EAY EAY EAY */
2347 dh_dsa
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2348 dh_dsa_export
=(dh_dsa
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
2349 cpk
= &(c
->pkeys
[SSL_PKEY_ECC
]);
2350 #ifndef OPENSSL_NO_EC
2351 have_ecc_cert
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2361 printf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
2362 rsa_tmp
,rsa_tmp_export
,dh_tmp
,have_ecdh_tmp
,
2363 rsa_enc
,rsa_enc_export
,rsa_sign
,dsa_sign
,dh_rsa
,dh_dsa
);
2366 cpk
= &(c
->pkeys
[SSL_PKEY_GOST01
]);
2367 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!=NULL
) {
2368 mask_k
|= SSL_kGOST
;
2369 mask_a
|= SSL_aGOST01
;
2371 cpk
= &(c
->pkeys
[SSL_PKEY_GOST94
]);
2372 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!=NULL
) {
2373 mask_k
|= SSL_kGOST
;
2374 mask_a
|= SSL_aGOST94
;
2377 if (rsa_enc
|| (rsa_tmp
&& rsa_sign
))
2379 if (rsa_enc_export
|| (rsa_tmp_export
&& (rsa_sign
|| rsa_enc
)))
2383 /* The match needs to be both kDHE and aRSA or aDSA, so don't worry */
2384 if ( (dh_tmp
|| dh_rsa
|| dh_dsa
) &&
2385 (rsa_enc
|| rsa_sign
|| dsa_sign
))
2387 if ((dh_tmp_export
|| dh_rsa_export
|| dh_dsa_export
) &&
2388 (rsa_enc
|| rsa_sign
|| dsa_sign
))
2398 if (dh_rsa
) mask_k
|=SSL_kDHr
;
2399 if (dh_rsa_export
) emask_k
|=SSL_kDHr
;
2401 if (dh_dsa
) mask_k
|=SSL_kDHd
;
2402 if (dh_dsa_export
) emask_k
|=SSL_kDHd
;
2404 if (emask_k
& (SSL_kDHr
|SSL_kDHd
))
2407 if (rsa_enc
|| rsa_sign
)
2422 #ifndef OPENSSL_NO_KRB5
2429 /* An ECC certificate may be usable for ECDH and/or
2430 * ECDSA cipher suites depending on the key usage extension.
2432 #ifndef OPENSSL_NO_EC
2435 cpk
= &c
->pkeys
[SSL_PKEY_ECC
];
2437 /* This call populates extension flags (ex_flags) */
2438 X509_check_purpose(x
, -1, 0);
2439 ecdh_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2440 (x
->ex_kusage
& X509v3_KU_KEY_AGREEMENT
) : 1;
2441 ecdsa_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2442 (x
->ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
) : 1;
2443 if (!(cpk
->valid_flags
& CERT_PKEY_SIGN
))
2445 ecc_pkey
= X509_get_pubkey(x
);
2446 ecc_pkey_size
= (ecc_pkey
!= NULL
) ?
2447 EVP_PKEY_bits(ecc_pkey
) : 0;
2448 EVP_PKEY_free(ecc_pkey
);
2449 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
))
2451 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2452 OBJ_find_sigid_algs(signature_nid
, &md_nid
, &pk_nid
);
2454 #ifndef OPENSSL_NO_ECDH
2458 if (pk_nid
== NID_rsaEncryption
|| pk_nid
== NID_rsa
)
2462 if (ecc_pkey_size
<= 163)
2464 emask_k
|=SSL_kECDHr
;
2469 if (pk_nid
== NID_X9_62_id_ecPublicKey
)
2473 if (ecc_pkey_size
<= 163)
2475 emask_k
|=SSL_kECDHe
;
2481 #ifndef OPENSSL_NO_ECDSA
2485 emask_a
|=SSL_aECDSA
;
2491 #ifndef OPENSSL_NO_ECDH
2495 emask_k
|=SSL_kECDHE
;
2499 #ifndef OPENSSL_NO_PSK
2502 emask_k
|= SSL_kPSK
;
2503 emask_a
|= SSL_aPSK
;
2508 c
->export_mask_k
=emask_k
;
2509 c
->export_mask_a
=emask_a
;
2513 /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
2514 #define ku_reject(x, usage) \
2515 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
2517 #ifndef OPENSSL_NO_EC
2519 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL
*s
)
2521 unsigned long alg_k
, alg_a
;
2522 EVP_PKEY
*pkey
= NULL
;
2524 int signature_nid
= 0, md_nid
= 0, pk_nid
= 0;
2525 const SSL_CIPHER
*cs
= s
->s3
->tmp
.new_cipher
;
2527 alg_k
= cs
->algorithm_mkey
;
2528 alg_a
= cs
->algorithm_auth
;
2530 if (SSL_C_IS_EXPORT(cs
))
2532 /* ECDH key length in export ciphers must be <= 163 bits */
2533 pkey
= X509_get_pubkey(x
);
2534 if (pkey
== NULL
) return 0;
2535 keysize
= EVP_PKEY_bits(pkey
);
2536 EVP_PKEY_free(pkey
);
2537 if (keysize
> 163) return 0;
2540 /* This call populates the ex_flags field correctly */
2541 X509_check_purpose(x
, -1, 0);
2542 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
))
2544 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2545 OBJ_find_sigid_algs(signature_nid
, &md_nid
, &pk_nid
);
2547 if (alg_k
& SSL_kECDHe
|| alg_k
& SSL_kECDHr
)
2549 /* key usage, if present, must allow key agreement */
2550 if (ku_reject(x
, X509v3_KU_KEY_AGREEMENT
))
2552 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT
);
2555 if ((alg_k
& SSL_kECDHe
) && TLS1_get_version(s
) < TLS1_2_VERSION
)
2557 /* signature alg must be ECDSA */
2558 if (pk_nid
!= NID_X9_62_id_ecPublicKey
)
2560 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE
);
2564 if ((alg_k
& SSL_kECDHr
) && TLS1_get_version(s
) < TLS1_2_VERSION
)
2566 /* signature alg must be RSA */
2568 if (pk_nid
!= NID_rsaEncryption
&& pk_nid
!= NID_rsa
)
2570 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE
);
2575 if (alg_a
& SSL_aECDSA
)
2577 /* key usage, if present, must allow signing */
2578 if (ku_reject(x
, X509v3_KU_DIGITAL_SIGNATURE
))
2580 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
2585 return 1; /* all checks are ok */
2590 static int ssl_get_server_cert_index(const SSL
*s
)
2593 idx
= ssl_cipher_get_cert_index(s
->s3
->tmp
.new_cipher
);
2594 if (idx
== SSL_PKEY_RSA_ENC
&& !s
->cert
->pkeys
[SSL_PKEY_RSA_ENC
].x509
)
2595 idx
= SSL_PKEY_RSA_SIGN
;
2597 SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX
,ERR_R_INTERNAL_ERROR
);
2601 CERT_PKEY
*ssl_get_server_send_pkey(const SSL
*s
)
2607 if (!s
->s3
|| !s
->s3
->tmp
.new_cipher
)
2609 ssl_set_cert_masks(c
, s
->s3
->tmp
.new_cipher
);
2611 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2612 /* Broken protocol test: return last used certificate: which may
2613 * mismatch the one expected.
2615 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2619 i
= ssl_get_server_cert_index(s
);
2621 /* This may or may not be an error. */
2626 return &c
->pkeys
[i
];
2629 EVP_PKEY
*ssl_get_sign_pkey(SSL
*s
,const SSL_CIPHER
*cipher
, const EVP_MD
**pmd
)
2631 unsigned long alg_a
;
2635 alg_a
= cipher
->algorithm_auth
;
2638 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2639 /* Broken protocol test: use last key: which may
2640 * mismatch the one expected.
2642 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2643 idx
= c
->key
- c
->pkeys
;
2647 if ((alg_a
& SSL_aDSS
) &&
2648 (c
->pkeys
[SSL_PKEY_DSA_SIGN
].privatekey
!= NULL
))
2649 idx
= SSL_PKEY_DSA_SIGN
;
2650 else if (alg_a
& SSL_aRSA
)
2652 if (c
->pkeys
[SSL_PKEY_RSA_SIGN
].privatekey
!= NULL
)
2653 idx
= SSL_PKEY_RSA_SIGN
;
2654 else if (c
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
!= NULL
)
2655 idx
= SSL_PKEY_RSA_ENC
;
2657 else if ((alg_a
& SSL_aECDSA
) &&
2658 (c
->pkeys
[SSL_PKEY_ECC
].privatekey
!= NULL
))
2662 SSLerr(SSL_F_SSL_GET_SIGN_PKEY
,ERR_R_INTERNAL_ERROR
);
2666 *pmd
= c
->pkeys
[idx
].digest
;
2667 return c
->pkeys
[idx
].privatekey
;
2670 #ifndef OPENSSL_NO_TLSEXT
2671 int ssl_get_server_cert_serverinfo(SSL
*s
, const unsigned char **serverinfo
,
2672 size_t *serverinfo_length
)
2676 *serverinfo_length
= 0;
2679 i
= ssl_get_server_cert_index(s
);
2683 if (c
->pkeys
[i
].serverinfo
== NULL
)
2686 *serverinfo
= c
->pkeys
[i
].serverinfo
;
2687 *serverinfo_length
= c
->pkeys
[i
].serverinfo_length
;
2692 void ssl_update_cache(SSL
*s
,int mode
)
2696 /* If the session_id_length is 0, we are not supposed to cache it,
2697 * and it would be rather hard to do anyway :-) */
2698 if (s
->session
->session_id_length
== 0) return;
2700 i
=s
->session_ctx
->session_cache_mode
;
2701 if ((i
& mode
) && (!s
->hit
)
2702 && ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
)
2703 || SSL_CTX_add_session(s
->session_ctx
,s
->session
))
2704 && (s
->session_ctx
->new_session_cb
!= NULL
))
2706 CRYPTO_add(&s
->session
->references
,1,CRYPTO_LOCK_SSL_SESSION
);
2707 if (!s
->session_ctx
->new_session_cb(s
,s
->session
))
2708 SSL_SESSION_free(s
->session
);
2711 /* auto flush every 255 connections */
2712 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) &&
2713 ((i
& mode
) == mode
))
2715 if ( (((mode
& SSL_SESS_CACHE_CLIENT
)
2716 ?s
->session_ctx
->stats
.sess_connect_good
2717 :s
->session_ctx
->stats
.sess_accept_good
) & 0xff) == 0xff)
2719 SSL_CTX_flush_sessions(s
->session_ctx
,(unsigned long)time(NULL
));
2724 const SSL_METHOD
*SSL_CTX_get_ssl_method(SSL_CTX
*ctx
)
2729 const SSL_METHOD
*SSL_get_ssl_method(SSL
*s
)
2734 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
2739 if (s
->method
!= meth
)
2741 if (s
->handshake_func
!= NULL
)
2742 conn
=(s
->handshake_func
== s
->method
->ssl_connect
);
2744 if (s
->method
->version
== meth
->version
)
2748 s
->method
->ssl_free(s
);
2750 ret
=s
->method
->ssl_new(s
);
2754 s
->handshake_func
=meth
->ssl_connect
;
2756 s
->handshake_func
=meth
->ssl_accept
;
2761 int SSL_get_error(const SSL
*s
,int i
)
2767 if (i
> 0) return(SSL_ERROR_NONE
);
2769 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
2770 * etc, where we do encode the error */
2771 if ((l
=ERR_peek_error()) != 0)
2773 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
2774 return(SSL_ERROR_SYSCALL
);
2776 return(SSL_ERROR_SSL
);
2779 if ((i
< 0) && SSL_want_read(s
))
2781 bio
=SSL_get_rbio(s
);
2782 if (BIO_should_read(bio
))
2783 return(SSL_ERROR_WANT_READ
);
2784 else if (BIO_should_write(bio
))
2785 /* This one doesn't make too much sense ... We never try
2786 * to write to the rbio, and an application program where
2787 * rbio and wbio are separate couldn't even know what it
2789 * However if we ever set s->rwstate incorrectly
2790 * (so that we have SSL_want_read(s) instead of
2791 * SSL_want_write(s)) and rbio and wbio *are* the same,
2792 * this test works around that bug; so it might be safer
2794 return(SSL_ERROR_WANT_WRITE
);
2795 else if (BIO_should_io_special(bio
))
2797 reason
=BIO_get_retry_reason(bio
);
2798 if (reason
== BIO_RR_CONNECT
)
2799 return(SSL_ERROR_WANT_CONNECT
);
2800 else if (reason
== BIO_RR_ACCEPT
)
2801 return(SSL_ERROR_WANT_ACCEPT
);
2803 return(SSL_ERROR_SYSCALL
); /* unknown */
2807 if ((i
< 0) && SSL_want_write(s
))
2809 bio
=SSL_get_wbio(s
);
2810 if (BIO_should_write(bio
))
2811 return(SSL_ERROR_WANT_WRITE
);
2812 else if (BIO_should_read(bio
))
2813 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
2814 return(SSL_ERROR_WANT_READ
);
2815 else if (BIO_should_io_special(bio
))
2817 reason
=BIO_get_retry_reason(bio
);
2818 if (reason
== BIO_RR_CONNECT
)
2819 return(SSL_ERROR_WANT_CONNECT
);
2820 else if (reason
== BIO_RR_ACCEPT
)
2821 return(SSL_ERROR_WANT_ACCEPT
);
2823 return(SSL_ERROR_SYSCALL
);
2826 if ((i
< 0) && SSL_want_x509_lookup(s
))
2828 return(SSL_ERROR_WANT_X509_LOOKUP
);
2833 if (s
->version
== SSL2_VERSION
)
2835 /* assume it is the socket being closed */
2836 return(SSL_ERROR_ZERO_RETURN
);
2840 if ((s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
2841 (s
->s3
->warn_alert
== SSL_AD_CLOSE_NOTIFY
))
2842 return(SSL_ERROR_ZERO_RETURN
);
2845 return(SSL_ERROR_SYSCALL
);
2848 int SSL_do_handshake(SSL
*s
)
2852 if (s
->handshake_func
== NULL
)
2854 SSLerr(SSL_F_SSL_DO_HANDSHAKE
,SSL_R_CONNECTION_TYPE_NOT_SET
);
2858 s
->method
->ssl_renegotiate_check(s
);
2860 if (SSL_in_init(s
) || SSL_in_before(s
))
2862 ret
=s
->handshake_func(s
);
2867 /* For the next 2 functions, SSL_clear() sets shutdown and so
2868 * one of these calls will reset it */
2869 void SSL_set_accept_state(SSL
*s
)
2873 s
->state
=SSL_ST_ACCEPT
|SSL_ST_BEFORE
;
2874 s
->handshake_func
=s
->method
->ssl_accept
;
2875 /* clear the current cipher */
2876 ssl_clear_cipher_ctx(s
);
2877 ssl_clear_hash_ctx(&s
->read_hash
);
2878 ssl_clear_hash_ctx(&s
->write_hash
);
2881 void SSL_set_connect_state(SSL
*s
)
2885 s
->state
=SSL_ST_CONNECT
|SSL_ST_BEFORE
;
2886 s
->handshake_func
=s
->method
->ssl_connect
;
2887 /* clear the current cipher */
2888 ssl_clear_cipher_ctx(s
);
2889 ssl_clear_hash_ctx(&s
->read_hash
);
2890 ssl_clear_hash_ctx(&s
->write_hash
);
2893 int ssl_undefined_function(SSL
*s
)
2895 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2899 int ssl_undefined_void_function(void)
2901 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2905 int ssl_undefined_const_function(const SSL
*s
)
2907 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2911 SSL_METHOD
*ssl_bad_method(int ver
)
2913 SSLerr(SSL_F_SSL_BAD_METHOD
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2917 const char *SSL_get_version(const SSL
*s
)
2919 if (s
->version
== TLS1_2_VERSION
)
2921 else if (s
->version
== TLS1_1_VERSION
)
2923 else if (s
->version
== TLS1_VERSION
)
2925 else if (s
->version
== SSL3_VERSION
)
2927 else if (s
->version
== SSL2_VERSION
)
2933 SSL
*SSL_dup(SSL
*s
)
2935 STACK_OF(X509_NAME
) *sk
;
2940 if ((ret
=SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
2943 ret
->version
= s
->version
;
2944 ret
->type
= s
->type
;
2945 ret
->method
= s
->method
;
2947 if (s
->session
!= NULL
)
2949 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2950 SSL_copy_session_id(ret
,s
);
2954 /* No session has been established yet, so we have to expect
2955 * that s->cert or ret->cert will be changed later --
2956 * they should not both point to the same object,
2957 * and thus we can't use SSL_copy_session_id. */
2959 ret
->method
->ssl_free(ret
);
2960 ret
->method
= s
->method
;
2961 ret
->method
->ssl_new(ret
);
2963 if (s
->cert
!= NULL
)
2965 if (ret
->cert
!= NULL
)
2967 ssl_cert_free(ret
->cert
);
2969 ret
->cert
= ssl_cert_dup(s
->cert
);
2970 if (ret
->cert
== NULL
)
2974 SSL_set_session_id_context(ret
,
2975 s
->sid_ctx
, s
->sid_ctx_length
);
2978 ret
->options
=s
->options
;
2980 SSL_set_max_cert_list(ret
,SSL_get_max_cert_list(s
));
2981 SSL_set_read_ahead(ret
,SSL_get_read_ahead(s
));
2982 ret
->msg_callback
= s
->msg_callback
;
2983 ret
->msg_callback_arg
= s
->msg_callback_arg
;
2984 SSL_set_verify(ret
,SSL_get_verify_mode(s
),
2985 SSL_get_verify_callback(s
));
2986 SSL_set_verify_depth(ret
,SSL_get_verify_depth(s
));
2987 ret
->generate_session_id
= s
->generate_session_id
;
2989 SSL_set_info_callback(ret
,SSL_get_info_callback(s
));
2991 ret
->debug
=s
->debug
;
2993 /* copy app data, a little dangerous perhaps */
2994 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
2997 /* setup rbio, and wbio */
2998 if (s
->rbio
!= NULL
)
3000 if (!BIO_dup_state(s
->rbio
,(char *)&ret
->rbio
))
3003 if (s
->wbio
!= NULL
)
3005 if (s
->wbio
!= s
->rbio
)
3007 if (!BIO_dup_state(s
->wbio
,(char *)&ret
->wbio
))
3011 ret
->wbio
=ret
->rbio
;
3013 ret
->rwstate
= s
->rwstate
;
3014 ret
->in_handshake
= s
->in_handshake
;
3015 ret
->handshake_func
= s
->handshake_func
;
3016 ret
->server
= s
->server
;
3017 ret
->renegotiate
= s
->renegotiate
;
3018 ret
->new_session
= s
->new_session
;
3019 ret
->quiet_shutdown
= s
->quiet_shutdown
;
3020 ret
->shutdown
=s
->shutdown
;
3021 ret
->state
=s
->state
; /* SSL_dup does not really work at any state, though */
3022 ret
->rstate
=s
->rstate
;
3023 ret
->init_num
= 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
3026 X509_VERIFY_PARAM_inherit(ret
->param
, s
->param
);
3028 /* dup the cipher_list and cipher_list_by_id stacks */
3029 if (s
->cipher_list
!= NULL
)
3031 if ((ret
->cipher_list
=sk_SSL_CIPHER_dup(s
->cipher_list
)) == NULL
)
3034 if (s
->cipher_list_by_id
!= NULL
)
3035 if ((ret
->cipher_list_by_id
=sk_SSL_CIPHER_dup(s
->cipher_list_by_id
))
3039 /* Dup the client_CA list */
3040 if (s
->client_CA
!= NULL
)
3042 if ((sk
=sk_X509_NAME_dup(s
->client_CA
)) == NULL
) goto err
;
3044 for (i
=0; i
<sk_X509_NAME_num(sk
); i
++)
3046 xn
=sk_X509_NAME_value(sk
,i
);
3047 if (sk_X509_NAME_set(sk
,i
,X509_NAME_dup(xn
)) == NULL
)
3058 if (ret
!= NULL
) SSL_free(ret
);
3064 void ssl_clear_cipher_ctx(SSL
*s
)
3066 if (s
->enc_read_ctx
!= NULL
)
3068 EVP_CIPHER_CTX_cleanup(s
->enc_read_ctx
);
3069 OPENSSL_free(s
->enc_read_ctx
);
3070 s
->enc_read_ctx
=NULL
;
3072 if (s
->enc_write_ctx
!= NULL
)
3074 EVP_CIPHER_CTX_cleanup(s
->enc_write_ctx
);
3075 OPENSSL_free(s
->enc_write_ctx
);
3076 s
->enc_write_ctx
=NULL
;
3078 #ifndef OPENSSL_NO_COMP
3079 if (s
->expand
!= NULL
)
3081 COMP_CTX_free(s
->expand
);
3084 if (s
->compress
!= NULL
)
3086 COMP_CTX_free(s
->compress
);
3092 X509
*SSL_get_certificate(const SSL
*s
)
3094 if (s
->cert
!= NULL
)
3095 return(s
->cert
->key
->x509
);
3100 EVP_PKEY
*SSL_get_privatekey(const SSL
*s
)
3102 if (s
->cert
!= NULL
)
3103 return(s
->cert
->key
->privatekey
);
3108 X509
*SSL_CTX_get0_certificate(const SSL_CTX
*ctx
)
3110 if (ctx
->cert
!= NULL
)
3111 return ctx
->cert
->key
->x509
;
3116 EVP_PKEY
*SSL_CTX_get0_privatekey(const SSL_CTX
*ctx
)
3118 if (ctx
->cert
!= NULL
)
3119 return ctx
->cert
->key
->privatekey
;
3124 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
3126 if ((s
->session
!= NULL
) && (s
->session
->cipher
!= NULL
))
3127 return(s
->session
->cipher
);
3130 #ifdef OPENSSL_NO_COMP
3131 const void *SSL_get_current_compression(SSL
*s
)
3135 const void *SSL_get_current_expansion(SSL
*s
)
3141 const COMP_METHOD
*SSL_get_current_compression(SSL
*s
)
3143 if (s
->compress
!= NULL
)
3144 return(s
->compress
->meth
);
3148 const COMP_METHOD
*SSL_get_current_expansion(SSL
*s
)
3150 if (s
->expand
!= NULL
)
3151 return(s
->expand
->meth
);
3156 int ssl_init_wbio_buffer(SSL
*s
,int push
)
3160 if (s
->bbio
== NULL
)
3162 bbio
=BIO_new(BIO_f_buffer());
3163 if (bbio
== NULL
) return(0);
3169 if (s
->bbio
== s
->wbio
)
3170 s
->wbio
=BIO_pop(s
->wbio
);
3172 (void)BIO_reset(bbio
);
3173 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
3174 if (!BIO_set_read_buffer_size(bbio
,1))
3176 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER
,ERR_R_BUF_LIB
);
3181 if (s
->wbio
!= bbio
)
3182 s
->wbio
=BIO_push(bbio
,s
->wbio
);
3186 if (s
->wbio
== bbio
)
3187 s
->wbio
=BIO_pop(bbio
);
3192 void ssl_free_wbio_buffer(SSL
*s
)
3194 if (s
->bbio
== NULL
) return;
3196 if (s
->bbio
== s
->wbio
)
3198 /* remove buffering */
3199 s
->wbio
=BIO_pop(s
->wbio
);
3200 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
3201 assert(s
->wbio
!= NULL
);
3208 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
,int mode
)
3210 ctx
->quiet_shutdown
=mode
;
3213 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
3215 return(ctx
->quiet_shutdown
);
3218 void SSL_set_quiet_shutdown(SSL
*s
,int mode
)
3220 s
->quiet_shutdown
=mode
;
3223 int SSL_get_quiet_shutdown(const SSL
*s
)
3225 return(s
->quiet_shutdown
);
3228 void SSL_set_shutdown(SSL
*s
,int mode
)
3233 int SSL_get_shutdown(const SSL
*s
)
3235 return(s
->shutdown
);
3238 int SSL_version(const SSL
*s
)
3243 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
3248 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
* ctx
)
3250 if (ssl
->ctx
== ctx
)
3252 #ifndef OPENSSL_NO_TLSEXT
3254 ctx
= ssl
->initial_ctx
;
3256 if (ssl
->cert
!= NULL
)
3257 ssl_cert_free(ssl
->cert
);
3258 ssl
->cert
= ssl_cert_dup(ctx
->cert
);
3259 CRYPTO_add(&ctx
->references
,1,CRYPTO_LOCK_SSL_CTX
);
3260 if (ssl
->ctx
!= NULL
)
3261 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
3266 #ifndef OPENSSL_NO_STDIO
3267 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
3269 return(X509_STORE_set_default_paths(ctx
->cert_store
));
3272 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
3275 return(X509_STORE_load_locations(ctx
->cert_store
,CAfile
,CApath
));
3279 void SSL_set_info_callback(SSL
*ssl
,
3280 void (*cb
)(const SSL
*ssl
,int type
,int val
))
3282 ssl
->info_callback
=cb
;
3285 /* One compiler (Diab DCC) doesn't like argument names in returned
3286 function pointer. */
3287 void (*SSL_get_info_callback(const SSL
*ssl
))(const SSL
* /*ssl*/,int /*type*/,int /*val*/)
3289 return ssl
->info_callback
;
3292 int SSL_state(const SSL
*ssl
)
3297 void SSL_set_state(SSL
*ssl
, int state
)
3302 void SSL_set_verify_result(SSL
*ssl
,long arg
)
3304 ssl
->verify_result
=arg
;
3307 long SSL_get_verify_result(const SSL
*ssl
)
3309 return(ssl
->verify_result
);
3312 int SSL_get_ex_new_index(long argl
,void *argp
,CRYPTO_EX_new
*new_func
,
3313 CRYPTO_EX_dup
*dup_func
,CRYPTO_EX_free
*free_func
)
3315 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL
, argl
, argp
,
3316 new_func
, dup_func
, free_func
);
3319 int SSL_set_ex_data(SSL
*s
,int idx
,void *arg
)
3321 return(CRYPTO_set_ex_data(&s
->ex_data
,idx
,arg
));
3324 void *SSL_get_ex_data(const SSL
*s
,int idx
)
3326 return(CRYPTO_get_ex_data(&s
->ex_data
,idx
));
3329 int SSL_CTX_get_ex_new_index(long argl
,void *argp
,CRYPTO_EX_new
*new_func
,
3330 CRYPTO_EX_dup
*dup_func
,CRYPTO_EX_free
*free_func
)
3332 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX
, argl
, argp
,
3333 new_func
, dup_func
, free_func
);
3336 int SSL_CTX_set_ex_data(SSL_CTX
*s
,int idx
,void *arg
)
3338 return(CRYPTO_set_ex_data(&s
->ex_data
,idx
,arg
));
3341 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
,int idx
)
3343 return(CRYPTO_get_ex_data(&s
->ex_data
,idx
));
3351 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
3353 return(ctx
->cert_store
);
3356 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
,X509_STORE
*store
)
3358 if (ctx
->cert_store
!= NULL
)
3359 X509_STORE_free(ctx
->cert_store
);
3360 ctx
->cert_store
=store
;
3363 int SSL_want(const SSL
*s
)
3369 * \brief Set the callback for generating temporary RSA keys.
3370 * \param ctx the SSL context.
3371 * \param cb the callback
3374 #ifndef OPENSSL_NO_RSA
3375 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX
*ctx
,RSA
*(*cb
)(SSL
*ssl
,
3379 SSL_CTX_callback_ctrl(ctx
,SSL_CTRL_SET_TMP_RSA_CB
,(void (*)(void))cb
);
3382 void SSL_set_tmp_rsa_callback(SSL
*ssl
,RSA
*(*cb
)(SSL
*ssl
,
3386 SSL_callback_ctrl(ssl
,SSL_CTRL_SET_TMP_RSA_CB
,(void (*)(void))cb
);
3392 * \brief The RSA temporary key callback function.
3393 * \param ssl the SSL session.
3394 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
3395 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
3396 * of the required key in bits.
3397 * \return the temporary RSA key.
3398 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
3401 RSA
*cb(SSL
*ssl
,int is_export
,int keylength
)
3406 * \brief Set the callback for generating temporary DH keys.
3407 * \param ctx the SSL context.
3408 * \param dh the callback
3411 #ifndef OPENSSL_NO_DH
3412 void SSL_CTX_set_tmp_dh_callback(SSL_CTX
*ctx
,DH
*(*dh
)(SSL
*ssl
,int is_export
,
3415 SSL_CTX_callback_ctrl(ctx
,SSL_CTRL_SET_TMP_DH_CB
,(void (*)(void))dh
);
3418 void SSL_set_tmp_dh_callback(SSL
*ssl
,DH
*(*dh
)(SSL
*ssl
,int is_export
,
3421 SSL_callback_ctrl(ssl
,SSL_CTRL_SET_TMP_DH_CB
,(void (*)(void))dh
);
3425 #ifndef OPENSSL_NO_ECDH
3426 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX
*ctx
,EC_KEY
*(*ecdh
)(SSL
*ssl
,int is_export
,
3429 SSL_CTX_callback_ctrl(ctx
,SSL_CTRL_SET_TMP_ECDH_CB
,(void (*)(void))ecdh
);
3432 void SSL_set_tmp_ecdh_callback(SSL
*ssl
,EC_KEY
*(*ecdh
)(SSL
*ssl
,int is_export
,
3435 SSL_callback_ctrl(ssl
,SSL_CTRL_SET_TMP_ECDH_CB
,(void (*)(void))ecdh
);
3439 #ifndef OPENSSL_NO_PSK
3440 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
3442 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
)
3444 SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
3447 if (ctx
->psk_identity_hint
!= NULL
)
3448 OPENSSL_free(ctx
->psk_identity_hint
);
3449 if (identity_hint
!= NULL
)
3451 ctx
->psk_identity_hint
= BUF_strdup(identity_hint
);
3452 if (ctx
->psk_identity_hint
== NULL
)
3456 ctx
->psk_identity_hint
= NULL
;
3460 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
3465 if (s
->session
== NULL
)
3466 return 1; /* session not created yet, ignored */
3468 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
)
3470 SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
3473 if (s
->session
->psk_identity_hint
!= NULL
)
3474 OPENSSL_free(s
->session
->psk_identity_hint
);
3475 if (identity_hint
!= NULL
)
3477 s
->session
->psk_identity_hint
= BUF_strdup(identity_hint
);
3478 if (s
->session
->psk_identity_hint
== NULL
)
3482 s
->session
->psk_identity_hint
= NULL
;
3486 const char *SSL_get_psk_identity_hint(const SSL
*s
)
3488 if (s
== NULL
|| s
->session
== NULL
)
3490 return(s
->session
->psk_identity_hint
);
3493 const char *SSL_get_psk_identity(const SSL
*s
)
3495 if (s
== NULL
|| s
->session
== NULL
)
3497 return(s
->session
->psk_identity
);
3500 void SSL_set_psk_client_callback(SSL
*s
,
3501 unsigned int (*cb
)(SSL
*ssl
, const char *hint
,
3502 char *identity
, unsigned int max_identity_len
, unsigned char *psk
,
3503 unsigned int max_psk_len
))
3505 s
->psk_client_callback
= cb
;
3508 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
,
3509 unsigned int (*cb
)(SSL
*ssl
, const char *hint
,
3510 char *identity
, unsigned int max_identity_len
, unsigned char *psk
,
3511 unsigned int max_psk_len
))
3513 ctx
->psk_client_callback
= cb
;
3516 void SSL_set_psk_server_callback(SSL
*s
,
3517 unsigned int (*cb
)(SSL
*ssl
, const char *identity
,
3518 unsigned char *psk
, unsigned int max_psk_len
))
3520 s
->psk_server_callback
= cb
;
3523 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
,
3524 unsigned int (*cb
)(SSL
*ssl
, const char *identity
,
3525 unsigned char *psk
, unsigned int max_psk_len
))
3527 ctx
->psk_server_callback
= cb
;
3531 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
))
3533 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3535 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
))
3537 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3540 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX
*ctx
,
3541 int (*cb
)(SSL
*ssl
, int is_forward_secure
))
3543 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3544 (void (*)(void))cb
);
3546 void SSL_set_not_resumable_session_callback(SSL
*ssl
,
3547 int (*cb
)(SSL
*ssl
, int is_forward_secure
))
3549 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3550 (void (*)(void))cb
);
3553 /* Allocates new EVP_MD_CTX and sets pointer to it into given pointer
3554 * vairable, freeing EVP_MD_CTX previously stored in that variable, if
3555 * any. If EVP_MD pointer is passed, initializes ctx with this md
3556 * Returns newly allocated ctx;
3559 EVP_MD_CTX
*ssl_replace_hash(EVP_MD_CTX
**hash
,const EVP_MD
*md
)
3561 ssl_clear_hash_ctx(hash
);
3562 *hash
= EVP_MD_CTX_create();
3563 if (md
) EVP_DigestInit_ex(*hash
,md
,NULL
);
3566 void ssl_clear_hash_ctx(EVP_MD_CTX
**hash
)
3569 if (*hash
) EVP_MD_CTX_destroy(*hash
);
3573 void SSL_set_debug(SSL
*s
, int debug
)
3578 int SSL_cache_hit(SSL
*s
)
3583 int SSL_is_server(SSL
*s
)
3588 void SSL_set_security_level(SSL
*s
, int level
)
3590 s
->cert
->sec_level
= level
;
3593 int SSL_get_security_level(const SSL
*s
)
3595 return s
->cert
->sec_level
;
3598 void SSL_set_security_callback(SSL
*s
, int (*cb
)(SSL
*s
, SSL_CTX
*ctx
, int op
, int bits
, int nid
, void *other
, void *ex
))
3600 s
->cert
->sec_cb
= cb
;
3603 int (*SSL_get_security_callback(const SSL
*s
))(SSL
*s
, SSL_CTX
*ctx
, int op
, int bits
, int nid
, void *other
, void *ex
)
3605 return s
->cert
->sec_cb
;
3608 void SSL_set0_security_ex_data(SSL
*s
, void *ex
)
3610 s
->cert
->sec_ex
= ex
;
3613 void *SSL_get0_security_ex_data(const SSL
*s
)
3615 return s
->cert
->sec_ex
;
3618 void SSL_CTX_set_security_level(SSL_CTX
*ctx
, int level
)
3620 ctx
->cert
->sec_level
= level
;
3623 int SSL_CTX_get_security_level(const SSL_CTX
*ctx
)
3625 return ctx
->cert
->sec_level
;
3628 void SSL_CTX_set_security_callback(SSL_CTX
*ctx
, int (*cb
)(SSL
*s
, SSL_CTX
*ctx
, int op
, int bits
, int nid
, void *other
, void *ex
))
3630 ctx
->cert
->sec_cb
= cb
;
3633 int (*SSL_CTX_get_security_callback(const SSL_CTX
*ctx
))(SSL
*s
, SSL_CTX
*ctx
, int op
, int bits
, int nid
, void *other
, void *ex
)
3635 return ctx
->cert
->sec_cb
;
3638 void SSL_CTX_set0_security_ex_data(SSL_CTX
*ctx
, void *ex
)
3640 ctx
->cert
->sec_ex
= ex
;
3643 void *SSL_CTX_get0_security_ex_data(const SSL_CTX
*ctx
)
3645 return ctx
->cert
->sec_ex
;
3649 #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
3650 #include "../crypto/bio/bss_file.c"
3653 IMPLEMENT_STACK_OF(SSL_CIPHER
)
3654 IMPLEMENT_STACK_OF(SSL_COMP
)
3655 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
,