1 /*! \file ssl/ssl_lib.c
2 * \brief Version independent SSL functions.
4 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
7 * This package is an SSL implementation written
8 * by Eric Young (eay@cryptsoft.com).
9 * The implementation was written so as to conform with Netscapes SSL.
11 * This library is free for commercial and non-commercial use as long as
12 * the following conditions are aheared to. The following conditions
13 * apply to all code found in this distribution, be it the RC4, RSA,
14 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
15 * included with this distribution is covered by the same copyright terms
16 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
18 * Copyright remains Eric Young's, and as such any Copyright notices in
19 * the code are not to be removed.
20 * If this package is used in a product, Eric Young should be given attribution
21 * as the author of the parts of the library used.
22 * This can be in the form of a textual message at program startup or
23 * in documentation (online or textual) provided with the package.
25 * Redistribution and use in source and binary forms, with or without
26 * modification, are permitted provided that the following conditions
28 * 1. Redistributions of source code must retain the copyright
29 * notice, this list of conditions and the following disclaimer.
30 * 2. Redistributions in binary form must reproduce the above copyright
31 * notice, this list of conditions and the following disclaimer in the
32 * documentation and/or other materials provided with the distribution.
33 * 3. All advertising materials mentioning features or use of this software
34 * must display the following acknowledgement:
35 * "This product includes cryptographic software written by
36 * Eric Young (eay@cryptsoft.com)"
37 * The word 'cryptographic' can be left out if the rouines from the library
38 * being used are not cryptographic related :-).
39 * 4. If you include any Windows specific code (or a derivative thereof) from
40 * the apps directory (application code) you must include an acknowledgement:
41 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
43 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 * The licence and distribution terms for any publically available version or
56 * derivative of this code cannot be changed. i.e. this code cannot simply be
57 * copied and put under another distribution licence
58 * [including the GNU Public Licence.]
60 /* ====================================================================
61 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
63 * Redistribution and use in source and binary forms, with or without
64 * modification, are permitted provided that the following conditions
67 * 1. Redistributions of source code must retain the above copyright
68 * notice, this list of conditions and the following disclaimer.
70 * 2. Redistributions in binary form must reproduce the above copyright
71 * notice, this list of conditions and the following disclaimer in
72 * the documentation and/or other materials provided with the
75 * 3. All advertising materials mentioning features or use of this
76 * software must display the following acknowledgment:
77 * "This product includes software developed by the OpenSSL Project
78 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
80 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
81 * endorse or promote products derived from this software without
82 * prior written permission. For written permission, please contact
83 * openssl-core@openssl.org.
85 * 5. Products derived from this software may not be called "OpenSSL"
86 * nor may "OpenSSL" appear in their names without prior written
87 * permission of the OpenSSL Project.
89 * 6. Redistributions of any form whatsoever must retain the following
91 * "This product includes software developed by the OpenSSL Project
92 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
94 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
95 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
97 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
98 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
99 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
100 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
101 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
102 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
103 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
104 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
105 * OF THE POSSIBILITY OF SUCH DAMAGE.
106 * ====================================================================
108 * This product includes cryptographic software written by Eric Young
109 * (eay@cryptsoft.com). This product includes software written by Tim
110 * Hudson (tjh@cryptsoft.com).
113 /* ====================================================================
114 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
115 * ECC cipher suite support in OpenSSL originally developed by
116 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
118 /* ====================================================================
119 * Copyright 2005 Nokia. All rights reserved.
121 * The portions of the attached software ("Contribution") is developed by
122 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
125 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
126 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
127 * support (see RFC 4279) to OpenSSL.
129 * No patent licenses or other rights except those expressly stated in
130 * the OpenSSL open source license shall be deemed granted or received
131 * expressly, by implication, estoppel, or otherwise.
133 * No assurances are provided by Nokia that the Contribution does not
134 * infringe the patent or other intellectual property rights of any third
135 * party or that the license provides you with all the necessary rights
136 * to make use of the Contribution.
138 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
139 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
140 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
141 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
149 #include <openssl/crypto.h>
150 #include "ssl_locl.h"
151 #include "kssl_lcl.h"
152 #include <openssl/objects.h>
153 #include <openssl/lhash.h>
154 #include <openssl/x509v3.h>
155 #include <openssl/rand.h>
156 #include <openssl/ocsp.h>
157 #ifndef OPENSSL_NO_DH
158 #include <openssl/dh.h>
160 #ifndef OPENSSL_NO_ENGINE
161 #include <openssl/engine.h>
164 const char *SSL_version_str
=OPENSSL_VERSION_TEXT
;
166 SSL3_ENC_METHOD ssl3_undef_enc_method
={
167 /* evil casts, but these functions are only called if there's a library bug */
168 (int (*)(SSL
*,int))ssl_undefined_function
,
169 (int (*)(SSL
*, unsigned char *, int))ssl_undefined_function
,
170 ssl_undefined_function
,
171 (int (*)(SSL
*, unsigned char *, unsigned char *, int))ssl_undefined_function
,
172 (int (*)(SSL
*, int))ssl_undefined_function
,
173 (int (*)(SSL
*, const char*, int, unsigned char *))ssl_undefined_function
,
174 0, /* finish_mac_length */
175 (int (*)(SSL
*, int, unsigned char *))ssl_undefined_function
,
176 NULL
, /* client_finished_label */
177 0, /* client_finished_label_len */
178 NULL
, /* server_finished_label */
179 0, /* server_finished_label_len */
180 (int (*)(int))ssl_undefined_function
183 int SSL_clear(SSL
*s
)
186 if (s
->method
== NULL
)
188 SSLerr(SSL_F_SSL_CLEAR
,SSL_R_NO_METHOD_SPECIFIED
);
192 if (ssl_clear_bad_session(s
))
194 SSL_SESSION_free(s
->session
);
202 #if 0 /* Disabled since version 1.10 of this file (early return not
203 * needed because SSL_clear is not called when doing renegotiation) */
204 /* This is set if we are doing dynamic renegotiation so keep
205 * the old cipher. It is sort of a SSL_clear_lite :-) */
206 if (s
->renegotiate
) return(1);
210 SSLerr(SSL_F_SSL_CLEAR
,ERR_R_INTERNAL_ERROR
);
217 s
->state
=SSL_ST_BEFORE
|((s
->server
)?SSL_ST_ACCEPT
:SSL_ST_CONNECT
);
219 s
->version
=s
->method
->version
;
220 s
->client_version
=s
->version
;
221 s
->rwstate
=SSL_NOTHING
;
222 s
->rstate
=SSL_ST_READ_HEADER
;
224 s
->read_ahead
=s
->ctx
->read_ahead
;
227 if (s
->init_buf
!= NULL
)
229 BUF_MEM_free(s
->init_buf
);
233 ssl_clear_cipher_ctx(s
);
234 ssl_clear_hash_ctx(&s
->read_hash
);
235 ssl_clear_hash_ctx(&s
->write_hash
);
240 /* Check to see if we were changed into a different method, if
241 * so, revert back if we are not doing session-id reuse. */
242 if (!s
->in_handshake
&& (s
->session
== NULL
) && (s
->method
!= s
->ctx
->method
))
244 s
->method
->ssl_free(s
);
245 s
->method
=s
->ctx
->method
;
246 if (!s
->method
->ssl_new(s
))
251 s
->method
->ssl_clear(s
);
255 /** Used to change an SSL_CTXs default SSL method type */
256 int SSL_CTX_set_ssl_version(SSL_CTX
*ctx
,const SSL_METHOD
*meth
)
258 STACK_OF(SSL_CIPHER
) *sk
;
262 sk
=ssl_create_cipher_list(ctx
->method
,&(ctx
->cipher_list
),
263 &(ctx
->cipher_list_by_id
),
264 meth
->version
== SSL2_VERSION
? "SSLv2" : SSL_DEFAULT_CIPHER_LIST
);
265 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= 0))
267 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION
,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
273 SSL
*SSL_new(SSL_CTX
*ctx
)
279 SSLerr(SSL_F_SSL_NEW
,SSL_R_NULL_SSL_CTX
);
282 if (ctx
->method
== NULL
)
284 SSLerr(SSL_F_SSL_NEW
,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION
);
288 s
=(SSL
*)OPENSSL_malloc(sizeof(SSL
));
289 if (s
== NULL
) goto err
;
290 memset(s
,0,sizeof(SSL
));
292 #ifndef OPENSSL_NO_KRB5
293 s
->kssl_ctx
= kssl_ctx_new();
294 #endif /* OPENSSL_NO_KRB5 */
296 s
->options
=ctx
->options
;
298 s
->max_cert_list
=ctx
->max_cert_list
;
300 if (ctx
->cert
!= NULL
)
302 /* Earlier library versions used to copy the pointer to
303 * the CERT, not its contents; only when setting new
304 * parameters for the per-SSL copy, ssl_cert_new would be
305 * called (and the direct reference to the per-SSL_CTX
306 * settings would be lost, but those still were indirectly
307 * accessed for various purposes, and for that reason they
308 * used to be known as s->ctx->default_cert).
309 * Now we don't look at the SSL_CTX's CERT after having
310 * duplicated it once. */
312 s
->cert
= ssl_cert_dup(ctx
->cert
);
317 s
->cert
=NULL
; /* Cannot really happen (see SSL_CTX_new) */
319 s
->read_ahead
=ctx
->read_ahead
;
320 s
->msg_callback
=ctx
->msg_callback
;
321 s
->msg_callback_arg
=ctx
->msg_callback_arg
;
322 s
->verify_mode
=ctx
->verify_mode
;
323 s
->not_resumable_session_cb
=ctx
->not_resumable_session_cb
;
325 s
->verify_depth
=ctx
->verify_depth
;
327 s
->sid_ctx_length
=ctx
->sid_ctx_length
;
328 OPENSSL_assert(s
->sid_ctx_length
<= sizeof s
->sid_ctx
);
329 memcpy(&s
->sid_ctx
,&ctx
->sid_ctx
,sizeof(s
->sid_ctx
));
330 s
->verify_callback
=ctx
->default_verify_callback
;
331 s
->generate_session_id
=ctx
->generate_session_id
;
333 s
->param
= X509_VERIFY_PARAM_new();
336 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
338 s
->purpose
= ctx
->purpose
;
339 s
->trust
= ctx
->trust
;
341 s
->quiet_shutdown
=ctx
->quiet_shutdown
;
342 s
->max_send_fragment
= ctx
->max_send_fragment
;
344 CRYPTO_add(&ctx
->references
,1,CRYPTO_LOCK_SSL_CTX
);
346 #ifndef OPENSSL_NO_TLSEXT
347 s
->tlsext_debug_cb
= 0;
348 s
->tlsext_debug_arg
= NULL
;
349 s
->tlsext_ticket_expected
= 0;
350 s
->tlsext_status_type
= -1;
351 s
->tlsext_status_expected
= 0;
352 s
->tlsext_ocsp_ids
= NULL
;
353 s
->tlsext_ocsp_exts
= NULL
;
354 s
->tlsext_ocsp_resp
= NULL
;
355 s
->tlsext_ocsp_resplen
= -1;
356 CRYPTO_add(&ctx
->references
,1,CRYPTO_LOCK_SSL_CTX
);
358 # ifndef OPENSSL_NO_NEXTPROTONEG
359 s
->next_proto_negotiated
= NULL
;
363 s
->verify_result
=X509_V_OK
;
365 s
->method
=ctx
->method
;
367 if (!s
->method
->ssl_new(s
))
371 s
->server
=(ctx
->method
->ssl_accept
== ssl_undefined_function
)?0:1;
375 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
377 #ifndef OPENSSL_NO_PSK
378 s
->psk_client_callback
=ctx
->psk_client_callback
;
379 s
->psk_server_callback
=ctx
->psk_server_callback
;
387 ssl_cert_free(s
->cert
);
389 SSL_CTX_free(s
->ctx
); /* decrement reference count */
392 SSLerr(SSL_F_SSL_NEW
,ERR_R_MALLOC_FAILURE
);
396 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
,const unsigned char *sid_ctx
,
397 unsigned int sid_ctx_len
)
399 if(sid_ctx_len
> sizeof ctx
->sid_ctx
)
401 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT
,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
404 ctx
->sid_ctx_length
=sid_ctx_len
;
405 memcpy(ctx
->sid_ctx
,sid_ctx
,sid_ctx_len
);
410 int SSL_set_session_id_context(SSL
*ssl
,const unsigned char *sid_ctx
,
411 unsigned int sid_ctx_len
)
413 if(sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
)
415 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT
,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
418 ssl
->sid_ctx_length
=sid_ctx_len
;
419 memcpy(ssl
->sid_ctx
,sid_ctx
,sid_ctx_len
);
424 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
426 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX
);
427 ctx
->generate_session_id
= cb
;
428 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX
);
432 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
434 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
435 ssl
->generate_session_id
= cb
;
436 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
440 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
443 /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
444 * we can "construct" a session to give us the desired check - ie. to
445 * find if there's a session in the hash table that would conflict with
446 * any new session built out of this id/id_len and the ssl_version in
447 * use by this SSL. */
450 if(id_len
> sizeof r
.session_id
)
453 r
.ssl_version
= ssl
->version
;
454 r
.session_id_length
= id_len
;
455 memcpy(r
.session_id
, id
, id_len
);
456 /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
457 * callback is calling us to check the uniqueness of a shorter ID, it
458 * must be compared as a padded-out ID because that is what it will be
459 * converted to when the callback has finished choosing it. */
460 if((r
.ssl_version
== SSL2_VERSION
) &&
461 (id_len
< SSL2_SSL_SESSION_ID_LENGTH
))
463 memset(r
.session_id
+ id_len
, 0,
464 SSL2_SSL_SESSION_ID_LENGTH
- id_len
);
465 r
.session_id_length
= SSL2_SSL_SESSION_ID_LENGTH
;
468 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX
);
469 p
= lh_SSL_SESSION_retrieve(ssl
->ctx
->sessions
, &r
);
470 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX
);
474 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
476 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
479 int SSL_set_purpose(SSL
*s
, int purpose
)
481 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
484 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
486 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
489 int SSL_set_trust(SSL
*s
, int trust
)
491 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
494 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
496 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
499 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
501 return X509_VERIFY_PARAM_set1(ssl
->param
, vpm
);
504 void SSL_free(SSL
*s
)
511 i
=CRYPTO_add(&s
->references
,-1,CRYPTO_LOCK_SSL
);
519 fprintf(stderr
,"SSL_free, bad reference count\n");
525 X509_VERIFY_PARAM_free(s
->param
);
527 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
531 /* If the buffering BIO is in place, pop it off */
532 if (s
->bbio
== s
->wbio
)
534 s
->wbio
=BIO_pop(s
->wbio
);
540 BIO_free_all(s
->rbio
);
541 if ((s
->wbio
!= NULL
) && (s
->wbio
!= s
->rbio
))
542 BIO_free_all(s
->wbio
);
544 if (s
->init_buf
!= NULL
) BUF_MEM_free(s
->init_buf
);
546 /* add extra stuff */
547 if (s
->cipher_list
!= NULL
) sk_SSL_CIPHER_free(s
->cipher_list
);
548 if (s
->cipher_list_by_id
!= NULL
) sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
550 /* Make the next call work :-) */
551 if (s
->session
!= NULL
)
553 ssl_clear_bad_session(s
);
554 SSL_SESSION_free(s
->session
);
557 ssl_clear_cipher_ctx(s
);
558 ssl_clear_hash_ctx(&s
->read_hash
);
559 ssl_clear_hash_ctx(&s
->write_hash
);
561 if (s
->cert
!= NULL
) ssl_cert_free(s
->cert
);
562 /* Free up if allocated */
564 #ifndef OPENSSL_NO_TLSEXT
565 if (s
->tlsext_hostname
)
566 OPENSSL_free(s
->tlsext_hostname
);
567 if (s
->initial_ctx
) SSL_CTX_free(s
->initial_ctx
);
568 #ifndef OPENSSL_NO_EC
569 if (s
->tlsext_ecpointformatlist
) OPENSSL_free(s
->tlsext_ecpointformatlist
);
570 if (s
->tlsext_ellipticcurvelist
) OPENSSL_free(s
->tlsext_ellipticcurvelist
);
571 #endif /* OPENSSL_NO_EC */
572 if (s
->tlsext_opaque_prf_input
) OPENSSL_free(s
->tlsext_opaque_prf_input
);
573 if (s
->tlsext_ocsp_exts
)
574 sk_X509_EXTENSION_pop_free(s
->tlsext_ocsp_exts
,
575 X509_EXTENSION_free
);
576 if (s
->tlsext_ocsp_ids
)
577 sk_OCSP_RESPID_pop_free(s
->tlsext_ocsp_ids
, OCSP_RESPID_free
);
578 if (s
->tlsext_ocsp_resp
)
579 OPENSSL_free(s
->tlsext_ocsp_resp
);
582 if (s
->client_CA
!= NULL
)
583 sk_X509_NAME_pop_free(s
->client_CA
,X509_NAME_free
);
585 if (s
->method
!= NULL
) s
->method
->ssl_free(s
);
587 if (s
->ctx
) SSL_CTX_free(s
->ctx
);
589 #ifndef OPENSSL_NO_KRB5
590 if (s
->kssl_ctx
!= NULL
)
591 kssl_ctx_free(s
->kssl_ctx
);
592 #endif /* OPENSSL_NO_KRB5 */
594 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
595 if (s
->next_proto_negotiated
)
596 OPENSSL_free(s
->next_proto_negotiated
);
602 void SSL_set_bio(SSL
*s
,BIO
*rbio
,BIO
*wbio
)
604 /* If the output buffering BIO is still in place, remove it
608 if (s
->wbio
== s
->bbio
)
610 s
->wbio
=s
->wbio
->next_bio
;
611 s
->bbio
->next_bio
=NULL
;
614 if ((s
->rbio
!= NULL
) && (s
->rbio
!= rbio
))
615 BIO_free_all(s
->rbio
);
616 if ((s
->wbio
!= NULL
) && (s
->wbio
!= wbio
) && (s
->rbio
!= s
->wbio
))
617 BIO_free_all(s
->wbio
);
622 BIO
*SSL_get_rbio(const SSL
*s
)
625 BIO
*SSL_get_wbio(const SSL
*s
)
628 int SSL_get_fd(const SSL
*s
)
630 return(SSL_get_rfd(s
));
633 int SSL_get_rfd(const SSL
*s
)
639 r
=BIO_find_type(b
,BIO_TYPE_DESCRIPTOR
);
645 int SSL_get_wfd(const SSL
*s
)
651 r
=BIO_find_type(b
,BIO_TYPE_DESCRIPTOR
);
657 #ifndef OPENSSL_NO_SOCK
658 int SSL_set_fd(SSL
*s
,int fd
)
663 bio
=BIO_new(BIO_s_socket());
667 SSLerr(SSL_F_SSL_SET_FD
,ERR_R_BUF_LIB
);
670 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
671 SSL_set_bio(s
,bio
,bio
);
677 int SSL_set_wfd(SSL
*s
,int fd
)
682 if ((s
->rbio
== NULL
) || (BIO_method_type(s
->rbio
) != BIO_TYPE_SOCKET
)
683 || ((int)BIO_get_fd(s
->rbio
,NULL
) != fd
))
685 bio
=BIO_new(BIO_s_socket());
688 { SSLerr(SSL_F_SSL_SET_WFD
,ERR_R_BUF_LIB
); goto err
; }
689 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
690 SSL_set_bio(s
,SSL_get_rbio(s
),bio
);
693 SSL_set_bio(s
,SSL_get_rbio(s
),SSL_get_rbio(s
));
699 int SSL_set_rfd(SSL
*s
,int fd
)
704 if ((s
->wbio
== NULL
) || (BIO_method_type(s
->wbio
) != BIO_TYPE_SOCKET
)
705 || ((int)BIO_get_fd(s
->wbio
,NULL
) != fd
))
707 bio
=BIO_new(BIO_s_socket());
711 SSLerr(SSL_F_SSL_SET_RFD
,ERR_R_BUF_LIB
);
714 BIO_set_fd(bio
,fd
,BIO_NOCLOSE
);
715 SSL_set_bio(s
,bio
,SSL_get_wbio(s
));
718 SSL_set_bio(s
,SSL_get_wbio(s
),SSL_get_wbio(s
));
726 /* return length of latest Finished message we sent, copy to 'buf' */
727 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
733 ret
= s
->s3
->tmp
.finish_md_len
;
736 memcpy(buf
, s
->s3
->tmp
.finish_md
, count
);
741 /* return length of latest Finished message we expected, copy to 'buf' */
742 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
748 ret
= s
->s3
->tmp
.peer_finish_md_len
;
751 memcpy(buf
, s
->s3
->tmp
.peer_finish_md
, count
);
757 int SSL_get_verify_mode(const SSL
*s
)
759 return(s
->verify_mode
);
762 int SSL_get_verify_depth(const SSL
*s
)
764 return X509_VERIFY_PARAM_get_depth(s
->param
);
767 int (*SSL_get_verify_callback(const SSL
*s
))(int,X509_STORE_CTX
*)
769 return(s
->verify_callback
);
772 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
774 return(ctx
->verify_mode
);
777 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
779 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
782 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
))(int,X509_STORE_CTX
*)
784 return(ctx
->default_verify_callback
);
787 void SSL_set_verify(SSL
*s
,int mode
,
788 int (*callback
)(int ok
,X509_STORE_CTX
*ctx
))
791 if (callback
!= NULL
)
792 s
->verify_callback
=callback
;
795 void SSL_set_verify_depth(SSL
*s
,int depth
)
797 X509_VERIFY_PARAM_set_depth(s
->param
, depth
);
800 void SSL_set_read_ahead(SSL
*s
,int yes
)
805 int SSL_get_read_ahead(const SSL
*s
)
807 return(s
->read_ahead
);
810 int SSL_pending(const SSL
*s
)
812 /* SSL_pending cannot work properly if read-ahead is enabled
813 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
814 * and it is impossible to fix since SSL_pending cannot report
815 * errors that may be observed while scanning the new data.
816 * (Note that SSL_pending() is often used as a boolean value,
817 * so we'd better not return -1.)
819 return(s
->method
->ssl_pending(s
));
822 X509
*SSL_get_peer_certificate(const SSL
*s
)
826 if ((s
== NULL
) || (s
->session
== NULL
))
831 if (r
== NULL
) return(r
);
833 CRYPTO_add(&r
->references
,1,CRYPTO_LOCK_X509
);
838 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
842 if ((s
== NULL
) || (s
->session
== NULL
) || (s
->session
->sess_cert
== NULL
))
845 r
=s
->session
->sess_cert
->cert_chain
;
847 /* If we are a client, cert_chain includes the peer's own
848 * certificate; if we are a server, it does not. */
853 /* Now in theory, since the calling process own 't' it should be safe to
854 * modify. We need to be able to read f without being hassled */
855 void SSL_copy_session_id(SSL
*t
,const SSL
*f
)
859 /* Do we need to to SSL locking? */
860 SSL_set_session(t
,SSL_get_session(f
));
862 /* what if we are setup as SSLv2 but want to talk SSLv3 or
864 if (t
->method
!= f
->method
)
866 t
->method
->ssl_free(t
); /* cleanup current */
867 t
->method
=f
->method
; /* change method */
868 t
->method
->ssl_new(t
); /* setup new */
874 CRYPTO_add(&f
->cert
->references
,1,CRYPTO_LOCK_SSL_CERT
);
879 if (tmp
!= NULL
) ssl_cert_free(tmp
);
880 SSL_set_session_id_context(t
,f
->sid_ctx
,f
->sid_ctx_length
);
883 /* Fix this so it checks all the valid key/cert options */
884 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
886 if ( (ctx
== NULL
) ||
887 (ctx
->cert
== NULL
) ||
888 (ctx
->cert
->key
->x509
== NULL
))
890 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,SSL_R_NO_CERTIFICATE_ASSIGNED
);
893 if (ctx
->cert
->key
->privatekey
== NULL
)
895 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
898 return(X509_check_private_key(ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
));
901 /* Fix this function so that it takes an optional type parameter */
902 int SSL_check_private_key(const SSL
*ssl
)
906 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,ERR_R_PASSED_NULL_PARAMETER
);
909 if (ssl
->cert
== NULL
)
911 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,SSL_R_NO_CERTIFICATE_ASSIGNED
);
914 if (ssl
->cert
->key
->x509
== NULL
)
916 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,SSL_R_NO_CERTIFICATE_ASSIGNED
);
919 if (ssl
->cert
->key
->privatekey
== NULL
)
921 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
,SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
924 return(X509_check_private_key(ssl
->cert
->key
->x509
,
925 ssl
->cert
->key
->privatekey
));
928 int SSL_accept(SSL
*s
)
930 if (s
->handshake_func
== 0)
931 /* Not properly initialized yet */
932 SSL_set_accept_state(s
);
934 return(s
->method
->ssl_accept(s
));
937 int SSL_connect(SSL
*s
)
939 if (s
->handshake_func
== 0)
940 /* Not properly initialized yet */
941 SSL_set_connect_state(s
);
943 return(s
->method
->ssl_connect(s
));
946 long SSL_get_default_timeout(const SSL
*s
)
948 return(s
->method
->get_timeout());
951 int SSL_read(SSL
*s
,void *buf
,int num
)
953 if (s
->handshake_func
== 0)
955 SSLerr(SSL_F_SSL_READ
, SSL_R_UNINITIALIZED
);
959 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
)
961 s
->rwstate
=SSL_NOTHING
;
964 return(s
->method
->ssl_read(s
,buf
,num
));
967 int SSL_peek(SSL
*s
,void *buf
,int num
)
969 if (s
->handshake_func
== 0)
971 SSLerr(SSL_F_SSL_PEEK
, SSL_R_UNINITIALIZED
);
975 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
)
979 return(s
->method
->ssl_peek(s
,buf
,num
));
982 int SSL_write(SSL
*s
,const void *buf
,int num
)
984 if (s
->handshake_func
== 0)
986 SSLerr(SSL_F_SSL_WRITE
, SSL_R_UNINITIALIZED
);
990 if (s
->shutdown
& SSL_SENT_SHUTDOWN
)
992 s
->rwstate
=SSL_NOTHING
;
993 SSLerr(SSL_F_SSL_WRITE
,SSL_R_PROTOCOL_IS_SHUTDOWN
);
996 return(s
->method
->ssl_write(s
,buf
,num
));
999 int SSL_shutdown(SSL
*s
)
1001 /* Note that this function behaves differently from what one might
1002 * expect. Return values are 0 for no success (yet),
1003 * 1 for success; but calling it once is usually not enough,
1004 * even if blocking I/O is used (see ssl3_shutdown).
1007 if (s
->handshake_func
== 0)
1009 SSLerr(SSL_F_SSL_SHUTDOWN
, SSL_R_UNINITIALIZED
);
1013 if ((s
!= NULL
) && !SSL_in_init(s
))
1014 return(s
->method
->ssl_shutdown(s
));
1019 int SSL_renegotiate(SSL
*s
)
1021 if (s
->renegotiate
== 0)
1026 return(s
->method
->ssl_renegotiate(s
));
1029 int SSL_renegotiate_abbreviated(SSL
*s
)
1031 if (s
->renegotiate
== 0)
1036 return(s
->method
->ssl_renegotiate(s
));
1039 int SSL_renegotiate_pending(SSL
*s
)
1041 /* becomes true when negotiation is requested;
1042 * false again once a handshake has finished */
1043 return (s
->renegotiate
!= 0);
1046 long SSL_ctrl(SSL
*s
,int cmd
,long larg
,void *parg
)
1052 case SSL_CTRL_GET_READ_AHEAD
:
1053 return(s
->read_ahead
);
1054 case SSL_CTRL_SET_READ_AHEAD
:
1059 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1060 s
->msg_callback_arg
= parg
;
1063 case SSL_CTRL_OPTIONS
:
1064 return(s
->options
|=larg
);
1065 case SSL_CTRL_CLEAR_OPTIONS
:
1066 return(s
->options
&=~larg
);
1068 return(s
->mode
|=larg
);
1069 case SSL_CTRL_CLEAR_MODE
:
1070 return(s
->mode
&=~larg
);
1071 case SSL_CTRL_GET_MAX_CERT_LIST
:
1072 return(s
->max_cert_list
);
1073 case SSL_CTRL_SET_MAX_CERT_LIST
:
1075 s
->max_cert_list
=larg
;
1077 case SSL_CTRL_SET_MTU
:
1078 if (SSL_version(s
) == DTLS1_VERSION
||
1079 SSL_version(s
) == DTLS1_BAD_VER
)
1085 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1086 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1088 s
->max_send_fragment
= larg
;
1090 case SSL_CTRL_GET_RI_SUPPORT
:
1092 return s
->s3
->send_connection_binding
;
1095 return(s
->method
->ssl_ctrl(s
,cmd
,larg
,parg
));
1099 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
)(void))
1103 case SSL_CTRL_SET_MSG_CALLBACK
:
1104 s
->msg_callback
= (void (*)(int write_p
, int version
, int content_type
, const void *buf
, size_t len
, SSL
*ssl
, void *arg
))(fp
);
1108 return(s
->method
->ssl_callback_ctrl(s
,cmd
,fp
));
1112 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
1114 return ctx
->sessions
;
1117 long SSL_CTX_ctrl(SSL_CTX
*ctx
,int cmd
,long larg
,void *parg
)
1123 case SSL_CTRL_GET_READ_AHEAD
:
1124 return(ctx
->read_ahead
);
1125 case SSL_CTRL_SET_READ_AHEAD
:
1127 ctx
->read_ahead
=larg
;
1130 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1131 ctx
->msg_callback_arg
= parg
;
1134 case SSL_CTRL_GET_MAX_CERT_LIST
:
1135 return(ctx
->max_cert_list
);
1136 case SSL_CTRL_SET_MAX_CERT_LIST
:
1137 l
=ctx
->max_cert_list
;
1138 ctx
->max_cert_list
=larg
;
1141 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
1142 l
=ctx
->session_cache_size
;
1143 ctx
->session_cache_size
=larg
;
1145 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
1146 return(ctx
->session_cache_size
);
1147 case SSL_CTRL_SET_SESS_CACHE_MODE
:
1148 l
=ctx
->session_cache_mode
;
1149 ctx
->session_cache_mode
=larg
;
1151 case SSL_CTRL_GET_SESS_CACHE_MODE
:
1152 return(ctx
->session_cache_mode
);
1154 case SSL_CTRL_SESS_NUMBER
:
1155 return(lh_SSL_SESSION_num_items(ctx
->sessions
));
1156 case SSL_CTRL_SESS_CONNECT
:
1157 return(ctx
->stats
.sess_connect
);
1158 case SSL_CTRL_SESS_CONNECT_GOOD
:
1159 return(ctx
->stats
.sess_connect_good
);
1160 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
1161 return(ctx
->stats
.sess_connect_renegotiate
);
1162 case SSL_CTRL_SESS_ACCEPT
:
1163 return(ctx
->stats
.sess_accept
);
1164 case SSL_CTRL_SESS_ACCEPT_GOOD
:
1165 return(ctx
->stats
.sess_accept_good
);
1166 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
1167 return(ctx
->stats
.sess_accept_renegotiate
);
1168 case SSL_CTRL_SESS_HIT
:
1169 return(ctx
->stats
.sess_hit
);
1170 case SSL_CTRL_SESS_CB_HIT
:
1171 return(ctx
->stats
.sess_cb_hit
);
1172 case SSL_CTRL_SESS_MISSES
:
1173 return(ctx
->stats
.sess_miss
);
1174 case SSL_CTRL_SESS_TIMEOUTS
:
1175 return(ctx
->stats
.sess_timeout
);
1176 case SSL_CTRL_SESS_CACHE_FULL
:
1177 return(ctx
->stats
.sess_cache_full
);
1178 case SSL_CTRL_OPTIONS
:
1179 return(ctx
->options
|=larg
);
1180 case SSL_CTRL_CLEAR_OPTIONS
:
1181 return(ctx
->options
&=~larg
);
1183 return(ctx
->mode
|=larg
);
1184 case SSL_CTRL_CLEAR_MODE
:
1185 return(ctx
->mode
&=~larg
);
1186 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1187 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1189 ctx
->max_send_fragment
= larg
;
1192 return(ctx
->method
->ssl_ctx_ctrl(ctx
,cmd
,larg
,parg
));
1196 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
)(void))
1200 case SSL_CTRL_SET_MSG_CALLBACK
:
1201 ctx
->msg_callback
= (void (*)(int write_p
, int version
, int content_type
, const void *buf
, size_t len
, SSL
*ssl
, void *arg
))(fp
);
1205 return(ctx
->method
->ssl_ctx_callback_ctrl(ctx
,cmd
,fp
));
1209 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
1217 return((l
> 0)?1:-1);
1220 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
* const *ap
,
1221 const SSL_CIPHER
* const *bp
)
1225 l
=(*ap
)->id
-(*bp
)->id
;
1229 return((l
> 0)?1:-1);
1232 /** return a STACK of the ciphers available for the SSL and in order of
1234 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
1238 if (s
->cipher_list
!= NULL
)
1240 return(s
->cipher_list
);
1242 else if ((s
->ctx
!= NULL
) &&
1243 (s
->ctx
->cipher_list
!= NULL
))
1245 return(s
->ctx
->cipher_list
);
1251 /** return a STACK of the ciphers available for the SSL and in order of
1253 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
)
1257 if (s
->cipher_list_by_id
!= NULL
)
1259 return(s
->cipher_list_by_id
);
1261 else if ((s
->ctx
!= NULL
) &&
1262 (s
->ctx
->cipher_list_by_id
!= NULL
))
1264 return(s
->ctx
->cipher_list_by_id
);
1270 /** The old interface to get the same thing as SSL_get_ciphers() */
1271 const char *SSL_get_cipher_list(const SSL
*s
,int n
)
1274 STACK_OF(SSL_CIPHER
) *sk
;
1276 if (s
== NULL
) return(NULL
);
1277 sk
=SSL_get_ciphers(s
);
1278 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
1280 c
=sk_SSL_CIPHER_value(sk
,n
);
1281 if (c
== NULL
) return(NULL
);
1285 /** specify the ciphers to be used by default by the SSL_CTX */
1286 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
1288 STACK_OF(SSL_CIPHER
) *sk
;
1290 sk
=ssl_create_cipher_list(ctx
->method
,&ctx
->cipher_list
,
1291 &ctx
->cipher_list_by_id
,str
);
1292 /* ssl_create_cipher_list may return an empty stack if it
1293 * was unable to find a cipher matching the given rule string
1294 * (for example if the rule string specifies a cipher which
1295 * has been disabled). This is not an error as far as
1296 * ssl_create_cipher_list is concerned, and hence
1297 * ctx->cipher_list and ctx->cipher_list_by_id has been
1301 else if (sk_SSL_CIPHER_num(sk
) == 0)
1303 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1309 /** specify the ciphers to be used by the SSL */
1310 int SSL_set_cipher_list(SSL
*s
,const char *str
)
1312 STACK_OF(SSL_CIPHER
) *sk
;
1314 sk
=ssl_create_cipher_list(s
->ctx
->method
,&s
->cipher_list
,
1315 &s
->cipher_list_by_id
,str
);
1316 /* see comment in SSL_CTX_set_cipher_list */
1319 else if (sk_SSL_CIPHER_num(sk
) == 0)
1321 SSLerr(SSL_F_SSL_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1327 /* works well for SSLv2, not so good for SSLv3 */
1328 char *SSL_get_shared_ciphers(const SSL
*s
,char *buf
,int len
)
1331 STACK_OF(SSL_CIPHER
) *sk
;
1335 if ((s
->session
== NULL
) || (s
->session
->ciphers
== NULL
) ||
1340 sk
=s
->session
->ciphers
;
1341 for (i
=0; i
<sk_SSL_CIPHER_num(sk
); i
++)
1345 c
=sk_SSL_CIPHER_value(sk
,i
);
1363 int ssl_cipher_list_to_bytes(SSL
*s
,STACK_OF(SSL_CIPHER
) *sk
,unsigned char *p
,
1364 int (*put_cb
)(const SSL_CIPHER
*, unsigned char *))
1369 #ifndef OPENSSL_NO_KRB5
1370 int nokrb5
= !kssl_tgt_is_available(s
->kssl_ctx
);
1371 #endif /* OPENSSL_NO_KRB5 */
1373 if (sk
== NULL
) return(0);
1376 for (i
=0; i
<sk_SSL_CIPHER_num(sk
); i
++)
1378 c
=sk_SSL_CIPHER_value(sk
,i
);
1379 #ifndef OPENSSL_NO_KRB5
1380 if (((c
->algorithm_mkey
& SSL_kKRB5
) || (c
->algorithm_auth
& SSL_aKRB5
)) &&
1383 #endif /* OPENSSL_NO_KRB5 */
1384 #ifndef OPENSSL_NO_PSK
1385 /* with PSK there must be client callback set */
1386 if (((c
->algorithm_mkey
& SSL_kPSK
) || (c
->algorithm_auth
& SSL_aPSK
)) &&
1387 s
->psk_client_callback
== NULL
)
1389 #endif /* OPENSSL_NO_PSK */
1390 j
= put_cb
? put_cb(c
,p
) : ssl_put_cipher_by_char(s
,c
,p
);
1393 /* If p == q, no ciphers and caller indicates an error. Otherwise
1394 * add SCSV if not renegotiating.
1396 if (p
!= q
&& !s
->renegotiate
)
1398 static SSL_CIPHER scsv
=
1400 0, NULL
, SSL3_CK_SCSV
, 0, 0, 0, 0, 0, 0, 0, 0, 0
1402 j
= put_cb
? put_cb(&scsv
,p
) : ssl_put_cipher_by_char(s
,&scsv
,p
);
1404 #ifdef OPENSSL_RI_DEBUG
1405 fprintf(stderr
, "SCSV sent by client\n");
1412 STACK_OF(SSL_CIPHER
) *ssl_bytes_to_cipher_list(SSL
*s
,unsigned char *p
,int num
,
1413 STACK_OF(SSL_CIPHER
) **skp
)
1415 const SSL_CIPHER
*c
;
1416 STACK_OF(SSL_CIPHER
) *sk
;
1419 s
->s3
->send_connection_binding
= 0;
1421 n
=ssl_put_cipher_by_char(s
,NULL
,NULL
);
1424 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
1427 if ((skp
== NULL
) || (*skp
== NULL
))
1428 sk
=sk_SSL_CIPHER_new_null(); /* change perhaps later */
1432 sk_SSL_CIPHER_zero(sk
);
1435 for (i
=0; i
<num
; i
+=n
)
1437 /* Check for SCSV */
1438 if (s
->s3
&& (n
!= 3 || !p
[0]) &&
1439 (p
[n
-2] == ((SSL3_CK_SCSV
>> 8) & 0xff)) &&
1440 (p
[n
-1] == (SSL3_CK_SCSV
& 0xff)))
1442 /* SCSV fatal if renegotiating */
1445 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING
);
1446 ssl3_send_alert(s
,SSL3_AL_FATAL
,SSL_AD_HANDSHAKE_FAILURE
);
1449 s
->s3
->send_connection_binding
= 1;
1451 #ifdef OPENSSL_RI_DEBUG
1452 fprintf(stderr
, "SCSV received by server\n");
1457 c
=ssl_get_cipher_by_char(s
,p
);
1461 if (!sk_SSL_CIPHER_push(sk
,c
))
1463 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,ERR_R_MALLOC_FAILURE
);
1473 if ((skp
== NULL
) || (*skp
== NULL
))
1474 sk_SSL_CIPHER_free(sk
);
1479 #ifndef OPENSSL_NO_TLSEXT
1480 /** return a servername extension value if provided in Client Hello, or NULL.
1481 * So far, only host_name types are defined (RFC 3546).
1484 const char *SSL_get_servername(const SSL
*s
, const int type
)
1486 if (type
!= TLSEXT_NAMETYPE_host_name
)
1489 return s
->session
&& !s
->tlsext_hostname
?
1490 s
->session
->tlsext_hostname
:
1494 int SSL_get_servername_type(const SSL
*s
)
1496 if (s
->session
&& (!s
->tlsext_hostname
? s
->session
->tlsext_hostname
: s
->tlsext_hostname
))
1497 return TLSEXT_NAMETYPE_host_name
;
1501 # ifndef OPENSSL_NO_NEXTPROTONEG
1502 /* SSL_select_next_proto implements the standard protocol selection. It is
1503 * expected that this function is called from the callback set by
1504 * SSL_CTX_set_next_proto_select_cb.
1506 * The protocol data is assumed to be a vector of 8-bit, length prefixed byte
1507 * strings. The length byte itself is not included in the length. A byte
1508 * string of length 0 is invalid. No byte string may be truncated.
1510 * The current, but experimental algorithm for selecting the protocol is:
1512 * 1) If the server doesn't support NPN then this is indicated to the
1513 * callback. In this case, the client application has to abort the connection
1514 * or have a default application level protocol.
1516 * 2) If the server supports NPN, but advertises an empty list then the
1517 * client selects the first protcol in its list, but indicates via the
1518 * API that this fallback case was enacted.
1520 * 3) Otherwise, the client finds the first protocol in the server's list
1521 * that it supports and selects this protocol. This is because it's
1522 * assumed that the server has better information about which protocol
1523 * a client should use.
1525 * 4) If the client doesn't support any of the server's advertised
1526 * protocols, then this is treated the same as case 2.
1529 * OPENSSL_NPN_NEGOTIATED if a common protocol was found, or
1530 * OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
1532 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
)
1535 const unsigned char *result
;
1536 int status
= OPENSSL_NPN_UNSUPPORTED
;
1538 /* For each protocol in server preference order, see if we support it. */
1539 for (i
= 0; i
< server_len
; )
1541 for (j
= 0; j
< client_len
; )
1543 if (server
[i
] == client
[j
] &&
1544 memcmp(&server
[i
+1], &client
[j
+1], server
[i
]) == 0)
1546 /* We found a match */
1547 result
= &server
[i
];
1548 status
= OPENSSL_NPN_NEGOTIATED
;
1558 /* There's no overlap between our protocols and the server's list. */
1560 status
= OPENSSL_NPN_NO_OVERLAP
;
1563 *out
= (unsigned char *) result
+ 1;
1564 *outlen
= result
[0];
1568 /* SSL_get0_next_proto_negotiated sets *data and *len to point to the client's
1569 * requested protocol for this connection and returns 0. If the client didn't
1570 * request any protocol, then *data is set to NULL.
1572 * Note that the client can request any protocol it chooses. The value returned
1573 * from this function need not be a member of the list of supported protocols
1574 * provided by the callback.
1576 void SSL_get0_next_proto_negotiated(const SSL
*s
, const unsigned char **data
, unsigned *len
)
1578 *data
= s
->next_proto_negotiated
;
1582 *len
= s
->next_proto_negotiated_len
;
1586 /* SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when a
1587 * TLS server needs a list of supported protocols for Next Protocol
1588 * Negotiation. The returned list must be in wire format. The list is returned
1589 * by setting |out| to point to it and |outlen| to its length. This memory will
1590 * not be modified, but one should assume that the SSL* keeps a reference to
1593 * The callback should return SSL_TLSEXT_ERR_OK if it wishes to advertise. Otherwise, no
1594 * such extension will be included in the ServerHello. */
1595 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
)
1597 ctx
->next_protos_advertised_cb
= cb
;
1598 ctx
->next_protos_advertised_cb_arg
= arg
;
1601 /* SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
1602 * client needs to select a protocol from the server's provided list. |out|
1603 * must be set to point to the selected protocol (which may be within |in|).
1604 * The length of the protocol name must be written into |outlen|. The server's
1605 * advertised protocols are provided in |in| and |inlen|. The callback can
1606 * assume that |in| is syntactically valid.
1608 * The client must select a protocol. It is fatal to the connection if this
1609 * callback returns a value other than SSL_TLSEXT_ERR_OK.
1611 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
)
1613 ctx
->next_proto_select_cb
= cb
;
1614 ctx
->next_proto_select_cb_arg
= arg
;
1620 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
1625 ((unsigned int) a
->session_id
[0] )|
1626 ((unsigned int) a
->session_id
[1]<< 8L)|
1627 ((unsigned long)a
->session_id
[2]<<16L)|
1628 ((unsigned long)a
->session_id
[3]<<24L);
1632 /* NB: If this function (or indeed the hash function which uses a sort of
1633 * coarser function than this one) is changed, ensure
1634 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
1635 * able to construct an SSL_SESSION that will collide with any existing session
1636 * with a matching session ID. */
1637 static int ssl_session_cmp(const SSL_SESSION
*a
,const SSL_SESSION
*b
)
1639 if (a
->ssl_version
!= b
->ssl_version
)
1641 if (a
->session_id_length
!= b
->session_id_length
)
1643 return(memcmp(a
->session_id
,b
->session_id
,a
->session_id_length
));
1646 /* These wrapper functions should remain rather than redeclaring
1647 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1648 * variable. The reason is that the functions aren't static, they're exposed via
1650 static IMPLEMENT_LHASH_HASH_FN(ssl_session
, SSL_SESSION
)
1651 static IMPLEMENT_LHASH_COMP_FN(ssl_session
, SSL_SESSION
)
1653 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
1659 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_NULL_SSL_METHOD_PASSED
);
1663 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1665 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
1668 ret
=(SSL_CTX
*)OPENSSL_malloc(sizeof(SSL_CTX
));
1672 memset(ret
,0,sizeof(SSL_CTX
));
1676 ret
->cert_store
=NULL
;
1677 ret
->session_cache_mode
=SSL_SESS_CACHE_SERVER
;
1678 ret
->session_cache_size
=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
1679 ret
->session_cache_head
=NULL
;
1680 ret
->session_cache_tail
=NULL
;
1682 /* We take the system default */
1683 ret
->session_timeout
=meth
->get_timeout();
1685 ret
->new_session_cb
=0;
1686 ret
->remove_session_cb
=0;
1687 ret
->get_session_cb
=0;
1688 ret
->generate_session_id
=0;
1690 memset((char *)&ret
->stats
,0,sizeof(ret
->stats
));
1693 ret
->quiet_shutdown
=0;
1695 /* ret->cipher=NULL;*/
1696 /* ret->s2->challenge=NULL;
1697 ret->master_key=NULL;
1699 ret->s2->conn_id=NULL; */
1701 ret
->info_callback
=NULL
;
1703 ret
->app_verify_callback
=0;
1704 ret
->app_verify_arg
=NULL
;
1706 ret
->max_cert_list
=SSL_MAX_CERT_LIST_DEFAULT
;
1708 ret
->msg_callback
=0;
1709 ret
->msg_callback_arg
=NULL
;
1710 ret
->verify_mode
=SSL_VERIFY_NONE
;
1712 ret
->verify_depth
=-1; /* Don't impose a limit (but x509_lu.c does) */
1714 ret
->sid_ctx_length
=0;
1715 ret
->default_verify_callback
=NULL
;
1716 if ((ret
->cert
=ssl_cert_new()) == NULL
)
1719 ret
->default_passwd_callback
=0;
1720 ret
->default_passwd_callback_userdata
=NULL
;
1721 ret
->client_cert_cb
=0;
1722 ret
->app_gen_cookie_cb
=0;
1723 ret
->app_verify_cookie_cb
=0;
1725 ret
->sessions
=lh_SSL_SESSION_new();
1726 if (ret
->sessions
== NULL
) goto err
;
1727 ret
->cert_store
=X509_STORE_new();
1728 if (ret
->cert_store
== NULL
) goto err
;
1730 ssl_create_cipher_list(ret
->method
,
1731 &ret
->cipher_list
,&ret
->cipher_list_by_id
,
1732 meth
->version
== SSL2_VERSION
? "SSLv2" : SSL_DEFAULT_CIPHER_LIST
);
1733 if (ret
->cipher_list
== NULL
1734 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0)
1736 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_LIBRARY_HAS_NO_CIPHERS
);
1740 ret
->param
= X509_VERIFY_PARAM_new();
1744 if ((ret
->rsa_md5
=EVP_get_digestbyname("ssl2-md5")) == NULL
)
1746 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES
);
1749 if ((ret
->md5
=EVP_get_digestbyname("ssl3-md5")) == NULL
)
1751 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES
);
1754 if ((ret
->sha1
=EVP_get_digestbyname("ssl3-sha1")) == NULL
)
1756 SSLerr(SSL_F_SSL_CTX_NEW
,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES
);
1760 if ((ret
->client_CA
=sk_X509_NAME_new_null()) == NULL
)
1763 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
);
1765 ret
->extra_certs
=NULL
;
1766 ret
->comp_methods
=SSL_COMP_get_compression_methods();
1768 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
1770 #ifndef OPENSSL_NO_TLSEXT
1771 ret
->tlsext_servername_callback
= 0;
1772 ret
->tlsext_servername_arg
= NULL
;
1773 /* Setup RFC4507 ticket keys */
1774 if ((RAND_pseudo_bytes(ret
->tlsext_tick_key_name
, 16) <= 0)
1775 || (RAND_bytes(ret
->tlsext_tick_hmac_key
, 16) <= 0)
1776 || (RAND_bytes(ret
->tlsext_tick_aes_key
, 16) <= 0))
1777 ret
->options
|= SSL_OP_NO_TICKET
;
1779 ret
->tlsext_status_cb
= 0;
1780 ret
->tlsext_status_arg
= NULL
;
1782 # ifndef OPENSSL_NO_NEXTPROTONEG
1783 ret
->next_protos_advertised_cb
= 0;
1784 ret
->next_proto_select_cb
= 0;
1787 #ifndef OPENSSL_NO_PSK
1788 ret
->psk_identity_hint
=NULL
;
1789 ret
->psk_client_callback
=NULL
;
1790 ret
->psk_server_callback
=NULL
;
1792 #ifndef OPENSSL_NO_SRP
1793 SSL_CTX_SRP_CTX_init(ret
);
1795 #ifndef OPENSSL_NO_BUF_FREELISTS
1796 ret
->freelist_max_len
= SSL_MAX_BUF_FREELIST_LEN_DEFAULT
;
1797 ret
->rbuf_freelist
= OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST
));
1798 if (!ret
->rbuf_freelist
)
1800 ret
->rbuf_freelist
->chunklen
= 0;
1801 ret
->rbuf_freelist
->len
= 0;
1802 ret
->rbuf_freelist
->head
= NULL
;
1803 ret
->wbuf_freelist
= OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST
));
1804 if (!ret
->wbuf_freelist
)
1806 OPENSSL_free(ret
->rbuf_freelist
);
1809 ret
->wbuf_freelist
->chunklen
= 0;
1810 ret
->wbuf_freelist
->len
= 0;
1811 ret
->wbuf_freelist
->head
= NULL
;
1813 #ifndef OPENSSL_NO_ENGINE
1814 ret
->client_cert_engine
= NULL
;
1815 #ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
1816 #define eng_strx(x) #x
1817 #define eng_str(x) eng_strx(x)
1818 /* Use specific client engine automatically... ignore errors */
1821 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
1825 ENGINE_load_builtin_engines();
1826 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
1828 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
1833 /* Default is to connect to non-RI servers. When RI is more widely
1834 * deployed might change this.
1836 ret
->options
|= SSL_OP_LEGACY_SERVER_CONNECT
;
1837 /* Disable TLS v1.2 by default for now */
1838 ret
->options
|= SSL_OP_NO_TLSv1_2
;
1842 SSLerr(SSL_F_SSL_CTX_NEW
,ERR_R_MALLOC_FAILURE
);
1844 if (ret
!= NULL
) SSL_CTX_free(ret
);
1849 static void SSL_COMP_free(SSL_COMP
*comp
)
1850 { OPENSSL_free(comp
); }
1853 #ifndef OPENSSL_NO_BUF_FREELISTS
1855 ssl_buf_freelist_free(SSL3_BUF_FREELIST
*list
)
1857 SSL3_BUF_FREELIST_ENTRY
*ent
, *next
;
1858 for (ent
= list
->head
; ent
; ent
= next
)
1867 void SSL_CTX_free(SSL_CTX
*a
)
1871 if (a
== NULL
) return;
1873 i
=CRYPTO_add(&a
->references
,-1,CRYPTO_LOCK_SSL_CTX
);
1875 REF_PRINT("SSL_CTX",a
);
1881 fprintf(stderr
,"SSL_CTX_free, bad reference count\n");
1887 X509_VERIFY_PARAM_free(a
->param
);
1890 * Free internal session cache. However: the remove_cb() may reference
1891 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
1892 * after the sessions were flushed.
1893 * As the ex_data handling routines might also touch the session cache,
1894 * the most secure solution seems to be: empty (flush) the cache, then
1895 * free ex_data, then finally free the cache.
1896 * (See ticket [openssl.org #212].)
1898 if (a
->sessions
!= NULL
)
1899 SSL_CTX_flush_sessions(a
,0);
1901 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, a
, &a
->ex_data
);
1903 if (a
->sessions
!= NULL
)
1904 lh_SSL_SESSION_free(a
->sessions
);
1906 if (a
->cert_store
!= NULL
)
1907 X509_STORE_free(a
->cert_store
);
1908 if (a
->cipher_list
!= NULL
)
1909 sk_SSL_CIPHER_free(a
->cipher_list
);
1910 if (a
->cipher_list_by_id
!= NULL
)
1911 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
1912 if (a
->cert
!= NULL
)
1913 ssl_cert_free(a
->cert
);
1914 if (a
->client_CA
!= NULL
)
1915 sk_X509_NAME_pop_free(a
->client_CA
,X509_NAME_free
);
1916 if (a
->extra_certs
!= NULL
)
1917 sk_X509_pop_free(a
->extra_certs
,X509_free
);
1918 #if 0 /* This should never be done, since it removes a global database */
1919 if (a
->comp_methods
!= NULL
)
1920 sk_SSL_COMP_pop_free(a
->comp_methods
,SSL_COMP_free
);
1922 a
->comp_methods
= NULL
;
1925 #ifndef OPENSSL_NO_PSK
1926 if (a
->psk_identity_hint
)
1927 OPENSSL_free(a
->psk_identity_hint
);
1929 #ifndef OPENSSL_NO_SRP
1930 SSL_CTX_SRP_CTX_free(a
);
1932 #ifndef OPENSSL_NO_ENGINE
1933 if (a
->client_cert_engine
)
1934 ENGINE_finish(a
->client_cert_engine
);
1937 #ifndef OPENSSL_NO_BUF_FREELISTS
1938 if (a
->wbuf_freelist
)
1939 ssl_buf_freelist_free(a
->wbuf_freelist
);
1940 if (a
->rbuf_freelist
)
1941 ssl_buf_freelist_free(a
->rbuf_freelist
);
1947 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
1949 ctx
->default_passwd_callback
=cb
;
1952 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
,void *u
)
1954 ctx
->default_passwd_callback_userdata
=u
;
1957 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
, int (*cb
)(X509_STORE_CTX
*,void *), void *arg
)
1959 ctx
->app_verify_callback
=cb
;
1960 ctx
->app_verify_arg
=arg
;
1963 void SSL_CTX_set_verify(SSL_CTX
*ctx
,int mode
,int (*cb
)(int, X509_STORE_CTX
*))
1965 ctx
->verify_mode
=mode
;
1966 ctx
->default_verify_callback
=cb
;
1969 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
,int depth
)
1971 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
1974 void ssl_set_cert_masks(CERT
*c
, const SSL_CIPHER
*cipher
)
1977 int rsa_enc
,rsa_tmp
,rsa_sign
,dh_tmp
,dh_rsa
,dh_dsa
,dsa_sign
;
1978 int rsa_enc_export
,dh_rsa_export
,dh_dsa_export
;
1979 int rsa_tmp_export
,dh_tmp_export
,kl
;
1980 unsigned long mask_k
,mask_a
,emask_k
,emask_a
;
1981 int have_ecc_cert
, ecdh_ok
, ecdsa_ok
, ecc_pkey_size
;
1982 #ifndef OPENSSL_NO_ECDH
1986 EVP_PKEY
*ecc_pkey
= NULL
;
1987 int signature_nid
= 0;
1989 if (c
== NULL
) return;
1991 kl
=SSL_C_EXPORT_PKEYLENGTH(cipher
);
1993 #ifndef OPENSSL_NO_RSA
1994 rsa_tmp
=(c
->rsa_tmp
!= NULL
|| c
->rsa_tmp_cb
!= NULL
);
1995 rsa_tmp_export
=(c
->rsa_tmp_cb
!= NULL
||
1996 (rsa_tmp
&& RSA_size(c
->rsa_tmp
)*8 <= kl
));
1998 rsa_tmp
=rsa_tmp_export
=0;
2000 #ifndef OPENSSL_NO_DH
2001 dh_tmp
=(c
->dh_tmp
!= NULL
|| c
->dh_tmp_cb
!= NULL
);
2002 dh_tmp_export
=(c
->dh_tmp_cb
!= NULL
||
2003 (dh_tmp
&& DH_size(c
->dh_tmp
)*8 <= kl
));
2005 dh_tmp
=dh_tmp_export
=0;
2008 #ifndef OPENSSL_NO_ECDH
2009 have_ecdh_tmp
=(c
->ecdh_tmp
!= NULL
|| c
->ecdh_tmp_cb
!= NULL
);
2011 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_ENC
]);
2012 rsa_enc
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
2013 rsa_enc_export
=(rsa_enc
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
2014 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_SIGN
]);
2015 rsa_sign
=(cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
2016 cpk
= &(c
->pkeys
[SSL_PKEY_DSA_SIGN
]);
2017 dsa_sign
=(cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
2018 cpk
= &(c
->pkeys
[SSL_PKEY_DH_RSA
]);
2019 dh_rsa
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
2020 dh_rsa_export
=(dh_rsa
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
2021 cpk
= &(c
->pkeys
[SSL_PKEY_DH_DSA
]);
2022 /* FIX THIS EAY EAY EAY */
2023 dh_dsa
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
2024 dh_dsa_export
=(dh_dsa
&& EVP_PKEY_size(cpk
->privatekey
)*8 <= kl
);
2025 cpk
= &(c
->pkeys
[SSL_PKEY_ECC
]);
2026 have_ecc_cert
= (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
);
2035 printf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
2036 rsa_tmp
,rsa_tmp_export
,dh_tmp
,have_ecdh_tmp
,
2037 rsa_enc
,rsa_enc_export
,rsa_sign
,dsa_sign
,dh_rsa
,dh_dsa
);
2040 cpk
= &(c
->pkeys
[SSL_PKEY_GOST01
]);
2041 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!=NULL
) {
2042 mask_k
|= SSL_kGOST
;
2043 mask_a
|= SSL_aGOST01
;
2045 cpk
= &(c
->pkeys
[SSL_PKEY_GOST94
]);
2046 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!=NULL
) {
2047 mask_k
|= SSL_kGOST
;
2048 mask_a
|= SSL_aGOST94
;
2051 if (rsa_enc
|| (rsa_tmp
&& rsa_sign
))
2053 if (rsa_enc_export
|| (rsa_tmp_export
&& (rsa_sign
|| rsa_enc
)))
2057 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
2058 if ( (dh_tmp
|| dh_rsa
|| dh_dsa
) &&
2059 (rsa_enc
|| rsa_sign
|| dsa_sign
))
2061 if ((dh_tmp_export
|| dh_rsa_export
|| dh_dsa_export
) &&
2062 (rsa_enc
|| rsa_sign
|| dsa_sign
))
2072 if (dh_rsa
) mask_k
|=SSL_kDHr
;
2073 if (dh_rsa_export
) emask_k
|=SSL_kDHr
;
2075 if (dh_dsa
) mask_k
|=SSL_kDHd
;
2076 if (dh_dsa_export
) emask_k
|=SSL_kDHd
;
2078 if (rsa_enc
|| rsa_sign
)
2093 #ifndef OPENSSL_NO_KRB5
2100 /* An ECC certificate may be usable for ECDH and/or
2101 * ECDSA cipher suites depending on the key usage extension.
2105 /* This call populates extension flags (ex_flags) */
2106 x
= (c
->pkeys
[SSL_PKEY_ECC
]).x509
;
2107 X509_check_purpose(x
, -1, 0);
2108 ecdh_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2109 (x
->ex_kusage
& X509v3_KU_KEY_AGREEMENT
) : 1;
2110 ecdsa_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2111 (x
->ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
) : 1;
2112 ecc_pkey
= X509_get_pubkey(x
);
2113 ecc_pkey_size
= (ecc_pkey
!= NULL
) ?
2114 EVP_PKEY_bits(ecc_pkey
) : 0;
2115 EVP_PKEY_free(ecc_pkey
);
2116 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
))
2117 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2118 #ifndef OPENSSL_NO_ECDH
2121 const char *sig
= OBJ_nid2ln(signature_nid
);
2128 if (strstr(sig
, "WithRSA"))
2132 if (ecc_pkey_size
<= 163)
2134 emask_k
|=SSL_kECDHr
;
2139 if (signature_nid
== NID_ecdsa_with_SHA1
)
2143 if (ecc_pkey_size
<= 163)
2145 emask_k
|=SSL_kECDHe
;
2151 #ifndef OPENSSL_NO_ECDSA
2155 emask_a
|=SSL_aECDSA
;
2160 #ifndef OPENSSL_NO_ECDH
2164 emask_k
|=SSL_kEECDH
;
2168 #ifndef OPENSSL_NO_PSK
2171 emask_k
|= SSL_kPSK
;
2172 emask_a
|= SSL_aPSK
;
2177 c
->export_mask_k
=emask_k
;
2178 c
->export_mask_a
=emask_a
;
2182 /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
2183 #define ku_reject(x, usage) \
2184 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
2186 #ifndef OPENSSL_NO_EC
2188 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL
*s
)
2190 unsigned long alg_k
, alg_a
;
2191 EVP_PKEY
*pkey
= NULL
;
2193 int signature_nid
= 0;
2194 const SSL_CIPHER
*cs
= s
->s3
->tmp
.new_cipher
;
2196 alg_k
= cs
->algorithm_mkey
;
2197 alg_a
= cs
->algorithm_auth
;
2199 if (SSL_C_IS_EXPORT(cs
))
2201 /* ECDH key length in export ciphers must be <= 163 bits */
2202 pkey
= X509_get_pubkey(x
);
2203 if (pkey
== NULL
) return 0;
2204 keysize
= EVP_PKEY_bits(pkey
);
2205 EVP_PKEY_free(pkey
);
2206 if (keysize
> 163) return 0;
2209 /* This call populates the ex_flags field correctly */
2210 X509_check_purpose(x
, -1, 0);
2211 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
))
2212 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2213 if (alg_k
& SSL_kECDHe
|| alg_k
& SSL_kECDHr
)
2215 /* key usage, if present, must allow key agreement */
2216 if (ku_reject(x
, X509v3_KU_KEY_AGREEMENT
))
2218 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT
);
2221 if ((alg_k
& SSL_kECDHe
) && s
->version
< TLS1_2_VERSION
)
2223 /* signature alg must be ECDSA */
2224 if (signature_nid
!= NID_ecdsa_with_SHA1
)
2226 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE
);
2230 if ((alg_k
& SSL_kECDHr
) && s
->version
< TLS1_2_VERSION
)
2232 /* signature alg must be RSA */
2234 const char *sig
= OBJ_nid2ln(signature_nid
);
2240 if (strstr(sig
, "WithRSA") == NULL
)
2242 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE
);
2247 if (alg_a
& SSL_aECDSA
)
2249 /* key usage, if present, must allow signing */
2250 if (ku_reject(x
, X509v3_KU_DIGITAL_SIGNATURE
))
2252 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
, SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
2257 return 1; /* all checks are ok */
2262 /* THIS NEEDS CLEANING UP */
2263 X509
*ssl_get_server_send_cert(SSL
*s
)
2265 unsigned long alg_k
,alg_a
;
2270 ssl_set_cert_masks(c
, s
->s3
->tmp
.new_cipher
);
2272 alg_k
= s
->s3
->tmp
.new_cipher
->algorithm_mkey
;
2273 alg_a
= s
->s3
->tmp
.new_cipher
->algorithm_auth
;
2275 if (alg_k
& (SSL_kECDHr
|SSL_kECDHe
))
2277 /* we don't need to look at SSL_kEECDH
2278 * since no certificate is needed for
2279 * anon ECDH and for authenticated
2280 * EECDH, the check for the auth
2281 * algorithm will set i correctly
2282 * NOTE: For ECDH-RSA, we need an ECC
2283 * not an RSA cert but for EECDH-RSA
2284 * we need an RSA cert. Placing the
2285 * checks for SSL_kECDH before RSA
2286 * checks ensures the correct cert is chosen.
2290 else if (alg_a
& SSL_aECDSA
)
2294 else if (alg_k
& SSL_kDHr
)
2296 else if (alg_k
& SSL_kDHd
)
2298 else if (alg_a
& SSL_aDSS
)
2299 i
=SSL_PKEY_DSA_SIGN
;
2300 else if (alg_a
& SSL_aRSA
)
2302 if (c
->pkeys
[SSL_PKEY_RSA_ENC
].x509
== NULL
)
2303 i
=SSL_PKEY_RSA_SIGN
;
2307 else if (alg_a
& SSL_aKRB5
)
2309 /* VRS something else here? */
2312 else if (alg_a
& SSL_aGOST94
)
2314 else if (alg_a
& SSL_aGOST01
)
2316 else /* if (alg_a & SSL_aNULL) */
2318 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT
,ERR_R_INTERNAL_ERROR
);
2321 if (c
->pkeys
[i
].x509
== NULL
) return(NULL
);
2323 return(c
->pkeys
[i
].x509
);
2326 EVP_PKEY
*ssl_get_sign_pkey(SSL
*s
,const SSL_CIPHER
*cipher
, const EVP_MD
**pmd
)
2328 unsigned long alg_a
;
2332 alg_a
= cipher
->algorithm_auth
;
2335 if ((alg_a
& SSL_aDSS
) &&
2336 (c
->pkeys
[SSL_PKEY_DSA_SIGN
].privatekey
!= NULL
))
2337 idx
= SSL_PKEY_DSA_SIGN
;
2338 else if (alg_a
& SSL_aRSA
)
2340 if (c
->pkeys
[SSL_PKEY_RSA_SIGN
].privatekey
!= NULL
)
2341 idx
= SSL_PKEY_RSA_SIGN
;
2342 else if (c
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
!= NULL
)
2343 idx
= SSL_PKEY_RSA_ENC
;
2345 else if ((alg_a
& SSL_aECDSA
) &&
2346 (c
->pkeys
[SSL_PKEY_ECC
].privatekey
!= NULL
))
2350 SSLerr(SSL_F_SSL_GET_SIGN_PKEY
,ERR_R_INTERNAL_ERROR
);
2354 *pmd
= c
->pkeys
[idx
].digest
;
2355 return c
->pkeys
[idx
].privatekey
;
2358 void ssl_update_cache(SSL
*s
,int mode
)
2362 /* If the session_id_length is 0, we are not supposed to cache it,
2363 * and it would be rather hard to do anyway :-) */
2364 if (s
->session
->session_id_length
== 0) return;
2366 i
=s
->session_ctx
->session_cache_mode
;
2367 if ((i
& mode
) && (!s
->hit
)
2368 && ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
)
2369 || SSL_CTX_add_session(s
->session_ctx
,s
->session
))
2370 && (s
->session_ctx
->new_session_cb
!= NULL
))
2372 CRYPTO_add(&s
->session
->references
,1,CRYPTO_LOCK_SSL_SESSION
);
2373 if (!s
->session_ctx
->new_session_cb(s
,s
->session
))
2374 SSL_SESSION_free(s
->session
);
2377 /* auto flush every 255 connections */
2378 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) &&
2379 ((i
& mode
) == mode
))
2381 if ( (((mode
& SSL_SESS_CACHE_CLIENT
)
2382 ?s
->session_ctx
->stats
.sess_connect_good
2383 :s
->session_ctx
->stats
.sess_accept_good
) & 0xff) == 0xff)
2385 SSL_CTX_flush_sessions(s
->session_ctx
,(unsigned long)time(NULL
));
2390 const SSL_METHOD
*SSL_get_ssl_method(SSL
*s
)
2395 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
2400 if (s
->method
!= meth
)
2402 if (s
->handshake_func
!= NULL
)
2403 conn
=(s
->handshake_func
== s
->method
->ssl_connect
);
2405 if (s
->method
->version
== meth
->version
)
2409 s
->method
->ssl_free(s
);
2411 ret
=s
->method
->ssl_new(s
);
2415 s
->handshake_func
=meth
->ssl_connect
;
2417 s
->handshake_func
=meth
->ssl_accept
;
2422 int SSL_get_error(const SSL
*s
,int i
)
2428 if (i
> 0) return(SSL_ERROR_NONE
);
2430 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
2431 * etc, where we do encode the error */
2432 if ((l
=ERR_peek_error()) != 0)
2434 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
2435 return(SSL_ERROR_SYSCALL
);
2437 return(SSL_ERROR_SSL
);
2440 if ((i
< 0) && SSL_want_read(s
))
2442 bio
=SSL_get_rbio(s
);
2443 if (BIO_should_read(bio
))
2444 return(SSL_ERROR_WANT_READ
);
2445 else if (BIO_should_write(bio
))
2446 /* This one doesn't make too much sense ... We never try
2447 * to write to the rbio, and an application program where
2448 * rbio and wbio are separate couldn't even know what it
2450 * However if we ever set s->rwstate incorrectly
2451 * (so that we have SSL_want_read(s) instead of
2452 * SSL_want_write(s)) and rbio and wbio *are* the same,
2453 * this test works around that bug; so it might be safer
2455 return(SSL_ERROR_WANT_WRITE
);
2456 else if (BIO_should_io_special(bio
))
2458 reason
=BIO_get_retry_reason(bio
);
2459 if (reason
== BIO_RR_CONNECT
)
2460 return(SSL_ERROR_WANT_CONNECT
);
2461 else if (reason
== BIO_RR_ACCEPT
)
2462 return(SSL_ERROR_WANT_ACCEPT
);
2464 return(SSL_ERROR_SYSCALL
); /* unknown */
2468 if ((i
< 0) && SSL_want_write(s
))
2470 bio
=SSL_get_wbio(s
);
2471 if (BIO_should_write(bio
))
2472 return(SSL_ERROR_WANT_WRITE
);
2473 else if (BIO_should_read(bio
))
2474 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
2475 return(SSL_ERROR_WANT_READ
);
2476 else if (BIO_should_io_special(bio
))
2478 reason
=BIO_get_retry_reason(bio
);
2479 if (reason
== BIO_RR_CONNECT
)
2480 return(SSL_ERROR_WANT_CONNECT
);
2481 else if (reason
== BIO_RR_ACCEPT
)
2482 return(SSL_ERROR_WANT_ACCEPT
);
2484 return(SSL_ERROR_SYSCALL
);
2487 if ((i
< 0) && SSL_want_x509_lookup(s
))
2489 return(SSL_ERROR_WANT_X509_LOOKUP
);
2494 if (s
->version
== SSL2_VERSION
)
2496 /* assume it is the socket being closed */
2497 return(SSL_ERROR_ZERO_RETURN
);
2501 if ((s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
2502 (s
->s3
->warn_alert
== SSL_AD_CLOSE_NOTIFY
))
2503 return(SSL_ERROR_ZERO_RETURN
);
2506 return(SSL_ERROR_SYSCALL
);
2509 int SSL_do_handshake(SSL
*s
)
2513 if (s
->handshake_func
== NULL
)
2515 SSLerr(SSL_F_SSL_DO_HANDSHAKE
,SSL_R_CONNECTION_TYPE_NOT_SET
);
2519 s
->method
->ssl_renegotiate_check(s
);
2521 if (SSL_in_init(s
) || SSL_in_before(s
))
2523 ret
=s
->handshake_func(s
);
2528 /* For the next 2 functions, SSL_clear() sets shutdown and so
2529 * one of these calls will reset it */
2530 void SSL_set_accept_state(SSL
*s
)
2534 s
->state
=SSL_ST_ACCEPT
|SSL_ST_BEFORE
;
2535 s
->handshake_func
=s
->method
->ssl_accept
;
2536 /* clear the current cipher */
2537 ssl_clear_cipher_ctx(s
);
2538 ssl_clear_hash_ctx(&s
->read_hash
);
2539 ssl_clear_hash_ctx(&s
->write_hash
);
2542 void SSL_set_connect_state(SSL
*s
)
2546 s
->state
=SSL_ST_CONNECT
|SSL_ST_BEFORE
;
2547 s
->handshake_func
=s
->method
->ssl_connect
;
2548 /* clear the current cipher */
2549 ssl_clear_cipher_ctx(s
);
2550 ssl_clear_hash_ctx(&s
->read_hash
);
2551 ssl_clear_hash_ctx(&s
->write_hash
);
2554 int ssl_undefined_function(SSL
*s
)
2556 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2560 int ssl_undefined_void_function(void)
2562 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2566 int ssl_undefined_const_function(const SSL
*s
)
2568 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2572 SSL_METHOD
*ssl_bad_method(int ver
)
2574 SSLerr(SSL_F_SSL_BAD_METHOD
,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2578 const char *SSL_get_version(const SSL
*s
)
2580 if (s
->version
== TLS1_2_VERSION
)
2582 else if (s
->version
== TLS1_1_VERSION
)
2584 else if (s
->version
== TLS1_VERSION
)
2586 else if (s
->version
== SSL3_VERSION
)
2588 else if (s
->version
== SSL2_VERSION
)
2594 SSL
*SSL_dup(SSL
*s
)
2596 STACK_OF(X509_NAME
) *sk
;
2601 if ((ret
=SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
2604 ret
->version
= s
->version
;
2605 ret
->type
= s
->type
;
2606 ret
->method
= s
->method
;
2608 if (s
->session
!= NULL
)
2610 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2611 SSL_copy_session_id(ret
,s
);
2615 /* No session has been established yet, so we have to expect
2616 * that s->cert or ret->cert will be changed later --
2617 * they should not both point to the same object,
2618 * and thus we can't use SSL_copy_session_id. */
2620 ret
->method
->ssl_free(ret
);
2621 ret
->method
= s
->method
;
2622 ret
->method
->ssl_new(ret
);
2624 if (s
->cert
!= NULL
)
2626 if (ret
->cert
!= NULL
)
2628 ssl_cert_free(ret
->cert
);
2630 ret
->cert
= ssl_cert_dup(s
->cert
);
2631 if (ret
->cert
== NULL
)
2635 SSL_set_session_id_context(ret
,
2636 s
->sid_ctx
, s
->sid_ctx_length
);
2639 ret
->options
=s
->options
;
2641 SSL_set_max_cert_list(ret
,SSL_get_max_cert_list(s
));
2642 SSL_set_read_ahead(ret
,SSL_get_read_ahead(s
));
2643 ret
->msg_callback
= s
->msg_callback
;
2644 ret
->msg_callback_arg
= s
->msg_callback_arg
;
2645 SSL_set_verify(ret
,SSL_get_verify_mode(s
),
2646 SSL_get_verify_callback(s
));
2647 SSL_set_verify_depth(ret
,SSL_get_verify_depth(s
));
2648 ret
->generate_session_id
= s
->generate_session_id
;
2650 SSL_set_info_callback(ret
,SSL_get_info_callback(s
));
2652 ret
->debug
=s
->debug
;
2654 /* copy app data, a little dangerous perhaps */
2655 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
2658 /* setup rbio, and wbio */
2659 if (s
->rbio
!= NULL
)
2661 if (!BIO_dup_state(s
->rbio
,(char *)&ret
->rbio
))
2664 if (s
->wbio
!= NULL
)
2666 if (s
->wbio
!= s
->rbio
)
2668 if (!BIO_dup_state(s
->wbio
,(char *)&ret
->wbio
))
2672 ret
->wbio
=ret
->rbio
;
2674 ret
->rwstate
= s
->rwstate
;
2675 ret
->in_handshake
= s
->in_handshake
;
2676 ret
->handshake_func
= s
->handshake_func
;
2677 ret
->server
= s
->server
;
2678 ret
->renegotiate
= s
->renegotiate
;
2679 ret
->new_session
= s
->new_session
;
2680 ret
->quiet_shutdown
= s
->quiet_shutdown
;
2681 ret
->shutdown
=s
->shutdown
;
2682 ret
->state
=s
->state
; /* SSL_dup does not really work at any state, though */
2683 ret
->rstate
=s
->rstate
;
2684 ret
->init_num
= 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
2687 X509_VERIFY_PARAM_inherit(ret
->param
, s
->param
);
2689 /* dup the cipher_list and cipher_list_by_id stacks */
2690 if (s
->cipher_list
!= NULL
)
2692 if ((ret
->cipher_list
=sk_SSL_CIPHER_dup(s
->cipher_list
)) == NULL
)
2695 if (s
->cipher_list_by_id
!= NULL
)
2696 if ((ret
->cipher_list_by_id
=sk_SSL_CIPHER_dup(s
->cipher_list_by_id
))
2700 /* Dup the client_CA list */
2701 if (s
->client_CA
!= NULL
)
2703 if ((sk
=sk_X509_NAME_dup(s
->client_CA
)) == NULL
) goto err
;
2705 for (i
=0; i
<sk_X509_NAME_num(sk
); i
++)
2707 xn
=sk_X509_NAME_value(sk
,i
);
2708 if (sk_X509_NAME_set(sk
,i
,X509_NAME_dup(xn
)) == NULL
)
2719 if (ret
!= NULL
) SSL_free(ret
);
2725 void ssl_clear_cipher_ctx(SSL
*s
)
2727 if (s
->enc_read_ctx
!= NULL
)
2729 EVP_CIPHER_CTX_cleanup(s
->enc_read_ctx
);
2730 OPENSSL_free(s
->enc_read_ctx
);
2731 s
->enc_read_ctx
=NULL
;
2733 if (s
->enc_write_ctx
!= NULL
)
2735 EVP_CIPHER_CTX_cleanup(s
->enc_write_ctx
);
2736 OPENSSL_free(s
->enc_write_ctx
);
2737 s
->enc_write_ctx
=NULL
;
2739 #ifndef OPENSSL_NO_COMP
2740 if (s
->expand
!= NULL
)
2742 COMP_CTX_free(s
->expand
);
2745 if (s
->compress
!= NULL
)
2747 COMP_CTX_free(s
->compress
);
2753 /* Fix this function so that it takes an optional type parameter */
2754 X509
*SSL_get_certificate(const SSL
*s
)
2756 if (s
->cert
!= NULL
)
2757 return(s
->cert
->key
->x509
);
2762 /* Fix this function so that it takes an optional type parameter */
2763 EVP_PKEY
*SSL_get_privatekey(SSL
*s
)
2765 if (s
->cert
!= NULL
)
2766 return(s
->cert
->key
->privatekey
);
2771 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
2773 if ((s
->session
!= NULL
) && (s
->session
->cipher
!= NULL
))
2774 return(s
->session
->cipher
);
2777 #ifdef OPENSSL_NO_COMP
2778 const void *SSL_get_current_compression(SSL
*s
)
2782 const void *SSL_get_current_expansion(SSL
*s
)
2788 const COMP_METHOD
*SSL_get_current_compression(SSL
*s
)
2790 if (s
->compress
!= NULL
)
2791 return(s
->compress
->meth
);
2795 const COMP_METHOD
*SSL_get_current_expansion(SSL
*s
)
2797 if (s
->expand
!= NULL
)
2798 return(s
->expand
->meth
);
2803 int ssl_init_wbio_buffer(SSL
*s
,int push
)
2807 if (s
->bbio
== NULL
)
2809 bbio
=BIO_new(BIO_f_buffer());
2810 if (bbio
== NULL
) return(0);
2816 if (s
->bbio
== s
->wbio
)
2817 s
->wbio
=BIO_pop(s
->wbio
);
2819 (void)BIO_reset(bbio
);
2820 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2821 if (!BIO_set_read_buffer_size(bbio
,1))
2823 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER
,ERR_R_BUF_LIB
);
2828 if (s
->wbio
!= bbio
)
2829 s
->wbio
=BIO_push(bbio
,s
->wbio
);
2833 if (s
->wbio
== bbio
)
2834 s
->wbio
=BIO_pop(bbio
);
2839 void ssl_free_wbio_buffer(SSL
*s
)
2841 if (s
->bbio
== NULL
) return;
2843 if (s
->bbio
== s
->wbio
)
2845 /* remove buffering */
2846 s
->wbio
=BIO_pop(s
->wbio
);
2847 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
2848 assert(s
->wbio
!= NULL
);
2855 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
,int mode
)
2857 ctx
->quiet_shutdown
=mode
;
2860 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
2862 return(ctx
->quiet_shutdown
);
2865 void SSL_set_quiet_shutdown(SSL
*s
,int mode
)
2867 s
->quiet_shutdown
=mode
;
2870 int SSL_get_quiet_shutdown(const SSL
*s
)
2872 return(s
->quiet_shutdown
);
2875 void SSL_set_shutdown(SSL
*s
,int mode
)
2880 int SSL_get_shutdown(const SSL
*s
)
2882 return(s
->shutdown
);
2885 int SSL_version(const SSL
*s
)
2890 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
2895 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
* ctx
)
2897 if (ssl
->ctx
== ctx
)
2899 #ifndef OPENSSL_NO_TLSEXT
2901 ctx
= ssl
->initial_ctx
;
2903 if (ssl
->cert
!= NULL
)
2904 ssl_cert_free(ssl
->cert
);
2905 ssl
->cert
= ssl_cert_dup(ctx
->cert
);
2906 CRYPTO_add(&ctx
->references
,1,CRYPTO_LOCK_SSL_CTX
);
2907 if (ssl
->ctx
!= NULL
)
2908 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
2913 #ifndef OPENSSL_NO_STDIO
2914 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
2916 return(X509_STORE_set_default_paths(ctx
->cert_store
));
2919 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
2922 return(X509_STORE_load_locations(ctx
->cert_store
,CAfile
,CApath
));
2926 void SSL_set_info_callback(SSL
*ssl
,
2927 void (*cb
)(const SSL
*ssl
,int type
,int val
))
2929 ssl
->info_callback
=cb
;
2932 /* One compiler (Diab DCC) doesn't like argument names in returned
2933 function pointer. */
2934 void (*SSL_get_info_callback(const SSL
*ssl
))(const SSL
* /*ssl*/,int /*type*/,int /*val*/)
2936 return ssl
->info_callback
;
2939 int SSL_state(const SSL
*ssl
)
2944 void SSL_set_state(SSL
*ssl
, int state
)
2949 void SSL_set_verify_result(SSL
*ssl
,long arg
)
2951 ssl
->verify_result
=arg
;
2954 long SSL_get_verify_result(const SSL
*ssl
)
2956 return(ssl
->verify_result
);
2959 int SSL_get_ex_new_index(long argl
,void *argp
,CRYPTO_EX_new
*new_func
,
2960 CRYPTO_EX_dup
*dup_func
,CRYPTO_EX_free
*free_func
)
2962 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL
, argl
, argp
,
2963 new_func
, dup_func
, free_func
);
2966 int SSL_set_ex_data(SSL
*s
,int idx
,void *arg
)
2968 return(CRYPTO_set_ex_data(&s
->ex_data
,idx
,arg
));
2971 void *SSL_get_ex_data(const SSL
*s
,int idx
)
2973 return(CRYPTO_get_ex_data(&s
->ex_data
,idx
));
2976 int SSL_CTX_get_ex_new_index(long argl
,void *argp
,CRYPTO_EX_new
*new_func
,
2977 CRYPTO_EX_dup
*dup_func
,CRYPTO_EX_free
*free_func
)
2979 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX
, argl
, argp
,
2980 new_func
, dup_func
, free_func
);
2983 int SSL_CTX_set_ex_data(SSL_CTX
*s
,int idx
,void *arg
)
2985 return(CRYPTO_set_ex_data(&s
->ex_data
,idx
,arg
));
2988 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
,int idx
)
2990 return(CRYPTO_get_ex_data(&s
->ex_data
,idx
));
2998 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
3000 return(ctx
->cert_store
);
3003 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
,X509_STORE
*store
)
3005 if (ctx
->cert_store
!= NULL
)
3006 X509_STORE_free(ctx
->cert_store
);
3007 ctx
->cert_store
=store
;
3010 int SSL_want(const SSL
*s
)
3016 * \brief Set the callback for generating temporary RSA keys.
3017 * \param ctx the SSL context.
3018 * \param cb the callback
3021 #ifndef OPENSSL_NO_RSA
3022 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX
*ctx
,RSA
*(*cb
)(SSL
*ssl
,
3026 SSL_CTX_callback_ctrl(ctx
,SSL_CTRL_SET_TMP_RSA_CB
,(void (*)(void))cb
);
3029 void SSL_set_tmp_rsa_callback(SSL
*ssl
,RSA
*(*cb
)(SSL
*ssl
,
3033 SSL_callback_ctrl(ssl
,SSL_CTRL_SET_TMP_RSA_CB
,(void (*)(void))cb
);
3039 * \brief The RSA temporary key callback function.
3040 * \param ssl the SSL session.
3041 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
3042 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
3043 * of the required key in bits.
3044 * \return the temporary RSA key.
3045 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
3048 RSA
*cb(SSL
*ssl
,int is_export
,int keylength
)
3053 * \brief Set the callback for generating temporary DH keys.
3054 * \param ctx the SSL context.
3055 * \param dh the callback
3058 #ifndef OPENSSL_NO_DH
3059 void SSL_CTX_set_tmp_dh_callback(SSL_CTX
*ctx
,DH
*(*dh
)(SSL
*ssl
,int is_export
,
3062 SSL_CTX_callback_ctrl(ctx
,SSL_CTRL_SET_TMP_DH_CB
,(void (*)(void))dh
);
3065 void SSL_set_tmp_dh_callback(SSL
*ssl
,DH
*(*dh
)(SSL
*ssl
,int is_export
,
3068 SSL_callback_ctrl(ssl
,SSL_CTRL_SET_TMP_DH_CB
,(void (*)(void))dh
);
3072 #ifndef OPENSSL_NO_ECDH
3073 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX
*ctx
,EC_KEY
*(*ecdh
)(SSL
*ssl
,int is_export
,
3076 SSL_CTX_callback_ctrl(ctx
,SSL_CTRL_SET_TMP_ECDH_CB
,(void (*)(void))ecdh
);
3079 void SSL_set_tmp_ecdh_callback(SSL
*ssl
,EC_KEY
*(*ecdh
)(SSL
*ssl
,int is_export
,
3082 SSL_callback_ctrl(ssl
,SSL_CTRL_SET_TMP_ECDH_CB
,(void (*)(void))ecdh
);
3086 #ifndef OPENSSL_NO_PSK
3087 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
3089 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
)
3091 SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
3094 if (ctx
->psk_identity_hint
!= NULL
)
3095 OPENSSL_free(ctx
->psk_identity_hint
);
3096 if (identity_hint
!= NULL
)
3098 ctx
->psk_identity_hint
= BUF_strdup(identity_hint
);
3099 if (ctx
->psk_identity_hint
== NULL
)
3103 ctx
->psk_identity_hint
= NULL
;
3107 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
3112 if (s
->session
== NULL
)
3113 return 1; /* session not created yet, ignored */
3115 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
)
3117 SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
3120 if (s
->session
->psk_identity_hint
!= NULL
)
3121 OPENSSL_free(s
->session
->psk_identity_hint
);
3122 if (identity_hint
!= NULL
)
3124 s
->session
->psk_identity_hint
= BUF_strdup(identity_hint
);
3125 if (s
->session
->psk_identity_hint
== NULL
)
3129 s
->session
->psk_identity_hint
= NULL
;
3133 const char *SSL_get_psk_identity_hint(const SSL
*s
)
3135 if (s
== NULL
|| s
->session
== NULL
)
3137 return(s
->session
->psk_identity_hint
);
3140 const char *SSL_get_psk_identity(const SSL
*s
)
3142 if (s
== NULL
|| s
->session
== NULL
)
3144 return(s
->session
->psk_identity
);
3147 void SSL_set_psk_client_callback(SSL
*s
,
3148 unsigned int (*cb
)(SSL
*ssl
, const char *hint
,
3149 char *identity
, unsigned int max_identity_len
, unsigned char *psk
,
3150 unsigned int max_psk_len
))
3152 s
->psk_client_callback
= cb
;
3155 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
,
3156 unsigned int (*cb
)(SSL
*ssl
, const char *hint
,
3157 char *identity
, unsigned int max_identity_len
, unsigned char *psk
,
3158 unsigned int max_psk_len
))
3160 ctx
->psk_client_callback
= cb
;
3163 void SSL_set_psk_server_callback(SSL
*s
,
3164 unsigned int (*cb
)(SSL
*ssl
, const char *identity
,
3165 unsigned char *psk
, unsigned int max_psk_len
))
3167 s
->psk_server_callback
= cb
;
3170 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
,
3171 unsigned int (*cb
)(SSL
*ssl
, const char *identity
,
3172 unsigned char *psk
, unsigned int max_psk_len
))
3174 ctx
->psk_server_callback
= cb
;
3178 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
))
3180 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3182 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
))
3184 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3187 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX
*ctx
,
3188 int (*cb
)(SSL
*ssl
, int is_forward_secure
))
3190 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3191 (void (*)(void))cb
);
3193 void SSL_set_not_resumable_session_callback(SSL
*ssl
,
3194 int (*cb
)(SSL
*ssl
, int is_forward_secure
))
3196 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3197 (void (*)(void))cb
);
3200 /* Allocates new EVP_MD_CTX and sets pointer to it into given pointer
3201 * vairable, freeing EVP_MD_CTX previously stored in that variable, if
3202 * any. If EVP_MD pointer is passed, initializes ctx with this md
3203 * Returns newly allocated ctx;
3206 EVP_MD_CTX
*ssl_replace_hash(EVP_MD_CTX
**hash
,const EVP_MD
*md
)
3208 ssl_clear_hash_ctx(hash
);
3209 *hash
= EVP_MD_CTX_create();
3210 if (md
) EVP_DigestInit_ex(*hash
,md
,NULL
);
3213 void ssl_clear_hash_ctx(EVP_MD_CTX
**hash
)
3216 if (*hash
) EVP_MD_CTX_destroy(*hash
);
3220 void SSL_set_debug(SSL
*s
, int debug
)
3225 int SSL_cache_hit(SSL
*s
)
3230 #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
3231 #include "../crypto/bio/bss_file.c"
3234 IMPLEMENT_STACK_OF(SSL_CIPHER
)
3235 IMPLEMENT_STACK_OF(SSL_COMP
)
3236 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
,