2 * ! \file ssl/ssl_lib.c \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 <openssl/objects.h>
151 #include <openssl/lhash.h>
152 #include <openssl/x509v3.h>
153 #include <openssl/rand.h>
154 #include <openssl/ocsp.h>
155 #ifndef OPENSSL_NO_DH
156 # include <openssl/dh.h>
158 #ifndef OPENSSL_NO_ENGINE
159 # include <openssl/engine.h>
161 #include <openssl/async.h>
163 const char SSL_version_str
[] = OPENSSL_VERSION_TEXT
;
165 SSL3_ENC_METHOD ssl3_undef_enc_method
= {
167 * evil casts, but these functions are only called if there's a library
170 (int (*)(SSL
*, int))ssl_undefined_function
,
171 (int (*)(SSL
*, unsigned char *, int))ssl_undefined_function
,
172 ssl_undefined_function
,
173 (int (*)(SSL
*, unsigned char *, unsigned char *, int))
174 ssl_undefined_function
,
175 (int (*)(SSL
*, int))ssl_undefined_function
,
176 (int (*)(SSL
*, const char *, int, unsigned char *))
177 ssl_undefined_function
,
178 0, /* finish_mac_length */
179 NULL
, /* client_finished_label */
180 0, /* client_finished_label_len */
181 NULL
, /* server_finished_label */
182 0, /* server_finished_label_len */
183 (int (*)(int))ssl_undefined_function
,
184 (int (*)(SSL
*, unsigned char *, size_t, const char *,
185 size_t, const unsigned char *, size_t,
186 int use_context
))ssl_undefined_function
,
189 struct ssl_async_args
{
195 int (*func1
)(SSL
*, void *, int);
196 int (*func2
)(SSL
*, const void *, int);
200 static const struct {
205 { DANETLS_MATCHING_FULL
, 0, NID_undef
},
206 { DANETLS_MATCHING_2256
, 1, NID_sha256
},
207 { DANETLS_MATCHING_2512
, 2, NID_sha512
},
210 static int dane_ctx_enable(struct dane_ctx_st
*dctx
)
212 const EVP_MD
**mdevp
;
214 uint8_t mdmax
= DANETLS_MATCHING_LAST
;
215 int n
= ((int) mdmax
) + 1; /* int to handle PrivMatch(255) */
218 mdevp
= OPENSSL_zalloc(n
* sizeof(*mdevp
));
219 mdord
= OPENSSL_zalloc(n
* sizeof(*mdord
));
221 if (mdord
== NULL
|| mdevp
== NULL
) {
223 SSLerr(SSL_F_DANE_CTX_ENABLE
, ERR_R_MALLOC_FAILURE
);
227 /* Install default entries */
228 for (i
= 0; i
< OSSL_NELEM(dane_mds
); ++i
) {
231 if (dane_mds
[i
].nid
== NID_undef
||
232 (md
= EVP_get_digestbynid(dane_mds
[i
].nid
)) == NULL
)
234 mdevp
[dane_mds
[i
].mtype
] = md
;
235 mdord
[dane_mds
[i
].mtype
] = dane_mds
[i
].ord
;
245 static void dane_ctx_final(struct dane_ctx_st
*dctx
)
247 OPENSSL_free(dctx
->mdevp
);
250 OPENSSL_free(dctx
->mdord
);
255 static void tlsa_free(danetls_record
*t
)
259 OPENSSL_free(t
->data
);
260 EVP_PKEY_free(t
->spki
);
264 static void dane_final(struct dane_st
*dane
)
266 sk_danetls_record_pop_free(dane
->trecs
, tlsa_free
);
269 sk_X509_pop_free(dane
->certs
, X509_free
);
272 X509_free(dane
->mcert
);
280 * dane_copy - Copy dane configuration, sans verification state.
282 static int ssl_dane_dup(SSL
*to
, SSL
*from
)
287 if (!DANETLS_ENABLED(&from
->dane
))
290 dane_final(&to
->dane
);
292 num
= sk_danetls_record_num(from
->dane
.trecs
);
293 for (i
= 0; i
< num
; ++i
) {
294 danetls_record
*t
= sk_danetls_record_value(from
->dane
.trecs
, i
);
295 if (SSL_dane_tlsa_add(to
, t
->usage
, t
->selector
, t
->mtype
,
296 t
->data
, t
->dlen
) <= 0)
302 static int dane_mtype_set(
303 struct dane_ctx_st
*dctx
,
310 if (mtype
== DANETLS_MATCHING_FULL
&& md
!= NULL
) {
311 SSLerr(SSL_F_DANE_MTYPE_SET
,
312 SSL_R_DANE_CANNOT_OVERRIDE_MTYPE_FULL
);
316 if (mtype
> dctx
->mdmax
) {
317 const EVP_MD
**mdevp
;
319 int n
= ((int) mtype
) + 1;
321 mdevp
= OPENSSL_realloc(dctx
->mdevp
, n
* sizeof(*mdevp
));
323 SSLerr(SSL_F_DANE_MTYPE_SET
, ERR_R_MALLOC_FAILURE
);
328 mdord
= OPENSSL_realloc(dctx
->mdord
, n
* sizeof(*mdord
));
330 SSLerr(SSL_F_DANE_MTYPE_SET
, ERR_R_MALLOC_FAILURE
);
335 /* Zero-fill any gaps */
336 for (i
= dctx
->mdmax
+1; i
< mtype
; ++i
) {
344 dctx
->mdevp
[mtype
] = md
;
345 /* Coerce ordinal of disabled matching types to 0 */
346 dctx
->mdord
[mtype
] = (md
== NULL
) ? 0 : ord
;
351 static const EVP_MD
*tlsa_md_get(struct dane_st
*dane
, uint8_t mtype
)
353 if (mtype
> dane
->dctx
->mdmax
)
355 return dane
->dctx
->mdevp
[mtype
];
358 static int dane_tlsa_add(
359 struct dane_st
*dane
,
367 const EVP_MD
*md
= NULL
;
368 int ilen
= (int)dlen
;
371 if (dane
->trecs
== NULL
) {
372 SSLerr(SSL_F_DANE_TLSA_ADD
, SSL_R_DANE_NOT_ENABLED
);
376 if (ilen
< 0 || dlen
!= (size_t)ilen
) {
377 SSLerr(SSL_F_DANE_TLSA_ADD
, SSL_R_DANE_TLSA_BAD_DATA_LENGTH
);
381 if (usage
> DANETLS_USAGE_LAST
) {
382 SSLerr(SSL_F_DANE_TLSA_ADD
, SSL_R_DANE_TLSA_BAD_CERTIFICATE_USAGE
);
386 if (selector
> DANETLS_SELECTOR_LAST
) {
387 SSLerr(SSL_F_DANE_TLSA_ADD
, SSL_R_DANE_TLSA_BAD_SELECTOR
);
391 if (mtype
!= DANETLS_MATCHING_FULL
) {
392 md
= tlsa_md_get(dane
, mtype
);
394 SSLerr(SSL_F_DANE_TLSA_ADD
, SSL_R_DANE_TLSA_BAD_MATCHING_TYPE
);
399 if (md
!= NULL
&& dlen
!= (size_t)EVP_MD_size(md
)) {
400 SSLerr(SSL_F_DANE_TLSA_ADD
, SSL_R_DANE_TLSA_BAD_DIGEST_LENGTH
);
404 SSLerr(SSL_F_DANE_TLSA_ADD
, SSL_R_DANE_TLSA_NULL_DATA
);
408 if ((t
= OPENSSL_zalloc(sizeof(*t
))) == NULL
) {
409 SSLerr(SSL_F_DANE_TLSA_ADD
, ERR_R_MALLOC_FAILURE
);
414 t
->selector
= selector
;
416 t
->data
= OPENSSL_malloc(ilen
);
417 if (t
->data
== NULL
) {
419 SSLerr(SSL_F_DANE_TLSA_ADD
, ERR_R_MALLOC_FAILURE
);
422 memcpy(t
->data
, data
, ilen
);
425 /* Validate and cache full certificate or public key */
426 if (mtype
== DANETLS_MATCHING_FULL
) {
427 const unsigned char *p
= data
;
429 EVP_PKEY
*pkey
= NULL
;
432 case DANETLS_SELECTOR_CERT
:
433 if (!d2i_X509(&cert
, &p
, dlen
) || p
< data
||
434 dlen
!= (size_t)(p
- data
)) {
436 SSLerr(SSL_F_DANE_TLSA_ADD
, SSL_R_DANE_TLSA_BAD_CERTIFICATE
);
439 if (X509_get0_pubkey(cert
) == NULL
) {
441 SSLerr(SSL_F_DANE_TLSA_ADD
, SSL_R_DANE_TLSA_BAD_CERTIFICATE
);
445 if ((DANETLS_USAGE_BIT(usage
) & DANETLS_TA_MASK
) == 0) {
451 * For usage DANE-TA(2), we support authentication via "2 0 0" TLSA
452 * records that contain full certificates of trust-anchors that are
453 * not present in the wire chain. For usage PKIX-TA(0), we augment
454 * the chain with untrusted Full(0) certificates from DNS, in case
455 * they are missing from the chain.
457 if ((dane
->certs
== NULL
&&
458 (dane
->certs
= sk_X509_new_null()) == NULL
) ||
459 !sk_X509_push(dane
->certs
, cert
)) {
460 SSLerr(SSL_F_DANE_TLSA_ADD
, ERR_R_MALLOC_FAILURE
);
467 case DANETLS_SELECTOR_SPKI
:
468 if (!d2i_PUBKEY(&pkey
, &p
, dlen
) || p
< data
||
469 dlen
!= (size_t)(p
- data
)) {
471 SSLerr(SSL_F_DANE_TLSA_ADD
, SSL_R_DANE_TLSA_BAD_PUBLIC_KEY
);
476 * For usage DANE-TA(2), we support authentication via "2 1 0" TLSA
477 * records that contain full bare keys of trust-anchors that are
478 * not present in the wire chain.
480 if (usage
== DANETLS_USAGE_DANE_TA
)
489 * Find the right insertion point for the new record.
491 * See crypto/x509/x509_vfy.c. We sort DANE-EE(3) records first, so that
492 * they can be processed first, as they require no chain building, and no
493 * expiration or hostname checks. Because DANE-EE(3) is numerically
494 * largest, this is accomplished via descending sort by "usage".
496 * We also sort in descending order by matching ordinal to simplify
497 * the implementation of digest agility in the verification code.
499 * The choice of order for the selector is not significant, so we
500 * use the same descending order for consistency.
502 for (i
= 0; i
< sk_danetls_record_num(dane
->trecs
); ++i
) {
503 danetls_record
*rec
= sk_danetls_record_value(dane
->trecs
, i
);
504 if (rec
->usage
> usage
)
506 if (rec
->usage
< usage
)
508 if (rec
->selector
> selector
)
510 if (rec
->selector
< selector
)
512 if (dane
->dctx
->mdord
[rec
->mtype
] > dane
->dctx
->mdord
[mtype
])
517 if (!sk_danetls_record_insert(dane
->trecs
, t
, i
)) {
519 SSLerr(SSL_F_DANE_TLSA_ADD
, ERR_R_MALLOC_FAILURE
);
522 dane
->umask
|= DANETLS_USAGE_BIT(usage
);
527 static void clear_ciphers(SSL
*s
)
529 /* clear the current cipher */
530 ssl_clear_cipher_ctx(s
);
531 ssl_clear_hash_ctx(&s
->read_hash
);
532 ssl_clear_hash_ctx(&s
->write_hash
);
535 int SSL_clear(SSL
*s
)
537 if (s
->method
== NULL
) {
538 SSLerr(SSL_F_SSL_CLEAR
, SSL_R_NO_METHOD_SPECIFIED
);
542 if (ssl_clear_bad_session(s
)) {
543 SSL_SESSION_free(s
->session
);
551 if (s
->renegotiate
) {
552 SSLerr(SSL_F_SSL_CLEAR
, ERR_R_INTERNAL_ERROR
);
556 ossl_statem_clear(s
);
558 s
->version
= s
->method
->version
;
559 s
->client_version
= s
->version
;
560 s
->rwstate
= SSL_NOTHING
;
562 BUF_MEM_free(s
->init_buf
);
567 /* Reset DANE verification result state */
570 X509_free(s
->dane
.mcert
);
571 s
->dane
.mcert
= NULL
;
572 s
->dane
.mtlsa
= NULL
;
574 /* Clear the verification result peername */
575 X509_VERIFY_PARAM_move_peername(s
->param
, NULL
);
578 * Check to see if we were changed into a different method, if so, revert
579 * back if we are not doing session-id reuse.
581 if (!ossl_statem_get_in_handshake(s
) && (s
->session
== NULL
)
582 && (s
->method
!= s
->ctx
->method
)) {
583 s
->method
->ssl_free(s
);
584 s
->method
= s
->ctx
->method
;
585 if (!s
->method
->ssl_new(s
))
588 s
->method
->ssl_clear(s
);
590 RECORD_LAYER_clear(&s
->rlayer
);
595 /** Used to change an SSL_CTXs default SSL method type */
596 int SSL_CTX_set_ssl_version(SSL_CTX
*ctx
, const SSL_METHOD
*meth
)
598 STACK_OF(SSL_CIPHER
) *sk
;
602 sk
= ssl_create_cipher_list(ctx
->method
, &(ctx
->cipher_list
),
603 &(ctx
->cipher_list_by_id
),
604 SSL_DEFAULT_CIPHER_LIST
, ctx
->cert
);
605 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= 0)) {
606 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION
,
607 SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
613 SSL
*SSL_new(SSL_CTX
*ctx
)
618 SSLerr(SSL_F_SSL_NEW
, SSL_R_NULL_SSL_CTX
);
621 if (ctx
->method
== NULL
) {
622 SSLerr(SSL_F_SSL_NEW
, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION
);
626 s
= OPENSSL_zalloc(sizeof(*s
));
630 RECORD_LAYER_init(&s
->rlayer
, s
);
632 s
->options
= ctx
->options
;
633 s
->min_proto_version
= ctx
->min_proto_version
;
634 s
->max_proto_version
= ctx
->max_proto_version
;
636 s
->max_cert_list
= ctx
->max_cert_list
;
640 * Earlier library versions used to copy the pointer to the CERT, not
641 * its contents; only when setting new parameters for the per-SSL
642 * copy, ssl_cert_new would be called (and the direct reference to
643 * the per-SSL_CTX settings would be lost, but those still were
644 * indirectly accessed for various purposes, and for that reason they
645 * used to be known as s->ctx->default_cert). Now we don't look at the
646 * SSL_CTX's CERT after having duplicated it once.
648 s
->cert
= ssl_cert_dup(ctx
->cert
);
652 RECORD_LAYER_set_read_ahead(&s
->rlayer
, ctx
->read_ahead
);
653 s
->msg_callback
= ctx
->msg_callback
;
654 s
->msg_callback_arg
= ctx
->msg_callback_arg
;
655 s
->verify_mode
= ctx
->verify_mode
;
656 s
->not_resumable_session_cb
= ctx
->not_resumable_session_cb
;
657 s
->sid_ctx_length
= ctx
->sid_ctx_length
;
658 OPENSSL_assert(s
->sid_ctx_length
<= sizeof s
->sid_ctx
);
659 memcpy(&s
->sid_ctx
, &ctx
->sid_ctx
, sizeof(s
->sid_ctx
));
660 s
->verify_callback
= ctx
->default_verify_callback
;
661 s
->generate_session_id
= ctx
->generate_session_id
;
663 s
->param
= X509_VERIFY_PARAM_new();
664 if (s
->param
== NULL
)
666 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
667 s
->quiet_shutdown
= ctx
->quiet_shutdown
;
668 s
->max_send_fragment
= ctx
->max_send_fragment
;
670 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
672 s
->tlsext_debug_cb
= 0;
673 s
->tlsext_debug_arg
= NULL
;
674 s
->tlsext_ticket_expected
= 0;
675 s
->tlsext_status_type
= -1;
676 s
->tlsext_status_expected
= 0;
677 s
->tlsext_ocsp_ids
= NULL
;
678 s
->tlsext_ocsp_exts
= NULL
;
679 s
->tlsext_ocsp_resp
= NULL
;
680 s
->tlsext_ocsp_resplen
= -1;
681 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
682 s
->initial_ctx
= ctx
;
683 # ifndef OPENSSL_NO_EC
684 if (ctx
->tlsext_ecpointformatlist
) {
685 s
->tlsext_ecpointformatlist
=
686 OPENSSL_memdup(ctx
->tlsext_ecpointformatlist
,
687 ctx
->tlsext_ecpointformatlist_length
);
688 if (!s
->tlsext_ecpointformatlist
)
690 s
->tlsext_ecpointformatlist_length
=
691 ctx
->tlsext_ecpointformatlist_length
;
693 if (ctx
->tlsext_ellipticcurvelist
) {
694 s
->tlsext_ellipticcurvelist
=
695 OPENSSL_memdup(ctx
->tlsext_ellipticcurvelist
,
696 ctx
->tlsext_ellipticcurvelist_length
);
697 if (!s
->tlsext_ellipticcurvelist
)
699 s
->tlsext_ellipticcurvelist_length
=
700 ctx
->tlsext_ellipticcurvelist_length
;
703 # ifndef OPENSSL_NO_NEXTPROTONEG
704 s
->next_proto_negotiated
= NULL
;
707 if (s
->ctx
->alpn_client_proto_list
) {
708 s
->alpn_client_proto_list
=
709 OPENSSL_malloc(s
->ctx
->alpn_client_proto_list_len
);
710 if (s
->alpn_client_proto_list
== NULL
)
712 memcpy(s
->alpn_client_proto_list
, s
->ctx
->alpn_client_proto_list
,
713 s
->ctx
->alpn_client_proto_list_len
);
714 s
->alpn_client_proto_list_len
= s
->ctx
->alpn_client_proto_list_len
;
717 s
->verify_result
= X509_V_OK
;
719 s
->default_passwd_callback
= ctx
->default_passwd_callback
;
720 s
->default_passwd_callback_userdata
= ctx
->default_passwd_callback_userdata
;
722 s
->method
= ctx
->method
;
724 if (!s
->method
->ssl_new(s
))
727 s
->server
= (ctx
->method
->ssl_accept
== ssl_undefined_function
) ? 0 : 1;
732 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
734 #ifndef OPENSSL_NO_PSK
735 s
->psk_client_callback
= ctx
->psk_client_callback
;
736 s
->psk_server_callback
= ctx
->psk_server_callback
;
744 SSLerr(SSL_F_SSL_NEW
, ERR_R_MALLOC_FAILURE
);
748 void SSL_up_ref(SSL
*s
)
750 CRYPTO_add(&s
->references
, 1, CRYPTO_LOCK_SSL
);
753 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
, const unsigned char *sid_ctx
,
754 unsigned int sid_ctx_len
)
756 if (sid_ctx_len
> sizeof ctx
->sid_ctx
) {
757 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT
,
758 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
761 ctx
->sid_ctx_length
= sid_ctx_len
;
762 memcpy(ctx
->sid_ctx
, sid_ctx
, sid_ctx_len
);
767 int SSL_set_session_id_context(SSL
*ssl
, const unsigned char *sid_ctx
,
768 unsigned int sid_ctx_len
)
770 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
771 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT
,
772 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
775 ssl
->sid_ctx_length
= sid_ctx_len
;
776 memcpy(ssl
->sid_ctx
, sid_ctx
, sid_ctx_len
);
781 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
783 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX
);
784 ctx
->generate_session_id
= cb
;
785 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX
);
789 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
791 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
792 ssl
->generate_session_id
= cb
;
793 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
797 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
801 * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
802 * we can "construct" a session to give us the desired check - ie. to
803 * find if there's a session in the hash table that would conflict with
804 * any new session built out of this id/id_len and the ssl_version in use
809 if (id_len
> sizeof r
.session_id
)
812 r
.ssl_version
= ssl
->version
;
813 r
.session_id_length
= id_len
;
814 memcpy(r
.session_id
, id
, id_len
);
816 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX
);
817 p
= lh_SSL_SESSION_retrieve(ssl
->ctx
->sessions
, &r
);
818 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX
);
822 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
824 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
827 int SSL_set_purpose(SSL
*s
, int purpose
)
829 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
832 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
834 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
837 int SSL_set_trust(SSL
*s
, int trust
)
839 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
842 int SSL_set1_host(SSL
*s
, const char *hostname
)
844 return X509_VERIFY_PARAM_set1_host(s
->param
, hostname
, 0);
847 int SSL_add1_host(SSL
*s
, const char *hostname
)
849 return X509_VERIFY_PARAM_add1_host(s
->param
, hostname
, 0);
852 void SSL_set_hostflags(SSL
*s
, unsigned int flags
)
854 X509_VERIFY_PARAM_set_hostflags(s
->param
, flags
);
857 const char *SSL_get0_peername(SSL
*s
)
859 return X509_VERIFY_PARAM_get0_peername(s
->param
);
862 int SSL_CTX_dane_enable(SSL_CTX
*ctx
)
864 return dane_ctx_enable(&ctx
->dane
);
867 int SSL_dane_enable(SSL
*s
, const char *basedomain
)
869 struct dane_st
*dane
= &s
->dane
;
871 if (s
->ctx
->dane
.mdmax
== 0) {
872 SSLerr(SSL_F_SSL_DANE_ENABLE
, SSL_R_CONTEXT_NOT_DANE_ENABLED
);
875 if (dane
->trecs
!= NULL
) {
876 SSLerr(SSL_F_SSL_DANE_ENABLE
, SSL_R_DANE_ALREADY_ENABLED
);
881 * Default SNI name. This rejects empty names, while set1_host below
882 * accepts them and disables host name checks. To avoid side-effects with
883 * invalid input, set the SNI name first.
885 if (s
->tlsext_hostname
== NULL
) {
886 if (!SSL_set_tlsext_host_name(s
, basedomain
)) {
887 SSLerr(SSL_F_SSL_DANE_ENABLE
, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN
);
892 /* Primary RFC6125 reference identifier */
893 if (!X509_VERIFY_PARAM_set1_host(s
->param
, basedomain
, 0)) {
894 SSLerr(SSL_F_SSL_DANE_ENABLE
, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN
);
900 dane
->dctx
= &s
->ctx
->dane
;
901 dane
->trecs
= sk_danetls_record_new_null();
903 if (dane
->trecs
== NULL
) {
904 SSLerr(SSL_F_SSL_DANE_ENABLE
, ERR_R_MALLOC_FAILURE
);
910 int SSL_get0_dane_authority(SSL
*s
, X509
**mcert
, EVP_PKEY
**mspki
)
912 struct dane_st
*dane
= &s
->dane
;
914 if (!DANETLS_ENABLED(dane
))
918 *mcert
= dane
->mcert
;
920 *mspki
= (dane
->mcert
== NULL
) ? dane
->mtlsa
->spki
: NULL
;
925 int SSL_get0_dane_tlsa(SSL
*s
, uint8_t *usage
, uint8_t *selector
,
926 uint8_t *mtype
, unsigned const char **data
, size_t *dlen
)
928 struct dane_st
*dane
= &s
->dane
;
930 if (!DANETLS_ENABLED(dane
))
934 *usage
= dane
->mtlsa
->usage
;
936 *selector
= dane
->mtlsa
->selector
;
938 *mtype
= dane
->mtlsa
->mtype
;
940 *data
= dane
->mtlsa
->data
;
942 *dlen
= dane
->mtlsa
->dlen
;
947 struct dane_st
*SSL_get0_dane(SSL
*s
)
952 int SSL_dane_tlsa_add(SSL
*s
, uint8_t usage
, uint8_t selector
,
953 uint8_t mtype
, unsigned char *data
, size_t dlen
)
955 return dane_tlsa_add(&s
->dane
, usage
, selector
, mtype
, data
, dlen
);
958 int SSL_CTX_dane_mtype_set(SSL_CTX
*ctx
, const EVP_MD
*md
, uint8_t mtype
, uint8_t ord
)
960 return dane_mtype_set(&ctx
->dane
, md
, mtype
, ord
);
963 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
965 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
968 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
970 return X509_VERIFY_PARAM_set1(ssl
->param
, vpm
);
973 X509_VERIFY_PARAM
*SSL_CTX_get0_param(SSL_CTX
*ctx
)
978 X509_VERIFY_PARAM
*SSL_get0_param(SSL
*ssl
)
983 void SSL_certs_clear(SSL
*s
)
985 ssl_cert_clear_certs(s
->cert
);
988 void SSL_free(SSL
*s
)
995 i
= CRYPTO_add(&s
->references
, -1, CRYPTO_LOCK_SSL
);
1003 fprintf(stderr
, "SSL_free, bad reference count\n");
1008 X509_VERIFY_PARAM_free(s
->param
);
1009 dane_final(&s
->dane
);
1010 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
1012 if (s
->bbio
!= NULL
) {
1013 /* If the buffering BIO is in place, pop it off */
1014 if (s
->bbio
== s
->wbio
) {
1015 s
->wbio
= BIO_pop(s
->wbio
);
1020 BIO_free_all(s
->rbio
);
1021 if (s
->wbio
!= s
->rbio
)
1022 BIO_free_all(s
->wbio
);
1024 BUF_MEM_free(s
->init_buf
);
1026 /* add extra stuff */
1027 sk_SSL_CIPHER_free(s
->cipher_list
);
1028 sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
1030 /* Make the next call work :-) */
1031 if (s
->session
!= NULL
) {
1032 ssl_clear_bad_session(s
);
1033 SSL_SESSION_free(s
->session
);
1038 ssl_cert_free(s
->cert
);
1039 /* Free up if allocated */
1041 OPENSSL_free(s
->tlsext_hostname
);
1042 SSL_CTX_free(s
->initial_ctx
);
1043 #ifndef OPENSSL_NO_EC
1044 OPENSSL_free(s
->tlsext_ecpointformatlist
);
1045 OPENSSL_free(s
->tlsext_ellipticcurvelist
);
1046 #endif /* OPENSSL_NO_EC */
1047 sk_X509_EXTENSION_pop_free(s
->tlsext_ocsp_exts
, X509_EXTENSION_free
);
1048 sk_OCSP_RESPID_pop_free(s
->tlsext_ocsp_ids
, OCSP_RESPID_free
);
1049 OPENSSL_free(s
->tlsext_ocsp_resp
);
1050 OPENSSL_free(s
->alpn_client_proto_list
);
1052 sk_X509_NAME_pop_free(s
->client_CA
, X509_NAME_free
);
1054 if (s
->method
!= NULL
)
1055 s
->method
->ssl_free(s
);
1057 RECORD_LAYER_release(&s
->rlayer
);
1059 SSL_CTX_free(s
->ctx
);
1061 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1062 OPENSSL_free(s
->next_proto_negotiated
);
1065 #ifndef OPENSSL_NO_SRTP
1066 sk_SRTP_PROTECTION_PROFILE_free(s
->srtp_profiles
);
1072 void SSL_set_rbio(SSL
*s
, BIO
*rbio
)
1074 if (s
->rbio
!= rbio
)
1075 BIO_free_all(s
->rbio
);
1079 void SSL_set_wbio(SSL
*s
, BIO
*wbio
)
1082 * If the output buffering BIO is still in place, remove it
1084 if (s
->bbio
!= NULL
) {
1085 if (s
->wbio
== s
->bbio
) {
1086 s
->wbio
= s
->wbio
->next_bio
;
1087 s
->bbio
->next_bio
= NULL
;
1090 if (s
->wbio
!= wbio
&& s
->rbio
!= s
->wbio
)
1091 BIO_free_all(s
->wbio
);
1095 void SSL_set_bio(SSL
*s
, BIO
*rbio
, BIO
*wbio
)
1097 SSL_set_wbio(s
, wbio
);
1098 SSL_set_rbio(s
, rbio
);
1101 BIO
*SSL_get_rbio(const SSL
*s
)
1106 BIO
*SSL_get_wbio(const SSL
*s
)
1111 int SSL_get_fd(const SSL
*s
)
1113 return (SSL_get_rfd(s
));
1116 int SSL_get_rfd(const SSL
*s
)
1121 b
= SSL_get_rbio(s
);
1122 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
1124 BIO_get_fd(r
, &ret
);
1128 int SSL_get_wfd(const SSL
*s
)
1133 b
= SSL_get_wbio(s
);
1134 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
1136 BIO_get_fd(r
, &ret
);
1140 #ifndef OPENSSL_NO_SOCK
1141 int SSL_set_fd(SSL
*s
, int fd
)
1146 bio
= BIO_new(BIO_s_socket());
1149 SSLerr(SSL_F_SSL_SET_FD
, ERR_R_BUF_LIB
);
1152 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1153 SSL_set_bio(s
, bio
, bio
);
1159 int SSL_set_wfd(SSL
*s
, int fd
)
1164 if ((s
->rbio
== NULL
) || (BIO_method_type(s
->rbio
) != BIO_TYPE_SOCKET
)
1165 || ((int)BIO_get_fd(s
->rbio
, NULL
) != fd
)) {
1166 bio
= BIO_new(BIO_s_socket());
1169 SSLerr(SSL_F_SSL_SET_WFD
, ERR_R_BUF_LIB
);
1172 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1173 SSL_set_bio(s
, SSL_get_rbio(s
), bio
);
1175 SSL_set_bio(s
, SSL_get_rbio(s
), SSL_get_rbio(s
));
1181 int SSL_set_rfd(SSL
*s
, int fd
)
1186 if ((s
->wbio
== NULL
) || (BIO_method_type(s
->wbio
) != BIO_TYPE_SOCKET
)
1187 || ((int)BIO_get_fd(s
->wbio
, NULL
) != fd
)) {
1188 bio
= BIO_new(BIO_s_socket());
1191 SSLerr(SSL_F_SSL_SET_RFD
, ERR_R_BUF_LIB
);
1194 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1195 SSL_set_bio(s
, bio
, SSL_get_wbio(s
));
1197 SSL_set_bio(s
, SSL_get_wbio(s
), SSL_get_wbio(s
));
1204 /* return length of latest Finished message we sent, copy to 'buf' */
1205 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
1209 if (s
->s3
!= NULL
) {
1210 ret
= s
->s3
->tmp
.finish_md_len
;
1213 memcpy(buf
, s
->s3
->tmp
.finish_md
, count
);
1218 /* return length of latest Finished message we expected, copy to 'buf' */
1219 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
1223 if (s
->s3
!= NULL
) {
1224 ret
= s
->s3
->tmp
.peer_finish_md_len
;
1227 memcpy(buf
, s
->s3
->tmp
.peer_finish_md
, count
);
1232 int SSL_get_verify_mode(const SSL
*s
)
1234 return (s
->verify_mode
);
1237 int SSL_get_verify_depth(const SSL
*s
)
1239 return X509_VERIFY_PARAM_get_depth(s
->param
);
1242 int (*SSL_get_verify_callback(const SSL
*s
)) (int, X509_STORE_CTX
*) {
1243 return (s
->verify_callback
);
1246 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
1248 return (ctx
->verify_mode
);
1251 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
1253 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
1256 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
)) (int, X509_STORE_CTX
*) {
1257 return (ctx
->default_verify_callback
);
1260 void SSL_set_verify(SSL
*s
, int mode
,
1261 int (*callback
) (int ok
, X509_STORE_CTX
*ctx
))
1263 s
->verify_mode
= mode
;
1264 if (callback
!= NULL
)
1265 s
->verify_callback
= callback
;
1268 void SSL_set_verify_depth(SSL
*s
, int depth
)
1270 X509_VERIFY_PARAM_set_depth(s
->param
, depth
);
1273 void SSL_set_read_ahead(SSL
*s
, int yes
)
1275 RECORD_LAYER_set_read_ahead(&s
->rlayer
, yes
);
1278 int SSL_get_read_ahead(const SSL
*s
)
1280 return RECORD_LAYER_get_read_ahead(&s
->rlayer
);
1283 int SSL_pending(const SSL
*s
)
1286 * SSL_pending cannot work properly if read-ahead is enabled
1287 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is
1288 * impossible to fix since SSL_pending cannot report errors that may be
1289 * observed while scanning the new data. (Note that SSL_pending() is
1290 * often used as a boolean value, so we'd better not return -1.)
1292 return (s
->method
->ssl_pending(s
));
1295 X509
*SSL_get_peer_certificate(const SSL
*s
)
1299 if ((s
== NULL
) || (s
->session
== NULL
))
1302 r
= s
->session
->peer
;
1312 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
1316 if ((s
== NULL
) || (s
->session
== NULL
))
1319 r
= s
->session
->peer_chain
;
1322 * If we are a client, cert_chain includes the peer's own certificate; if
1323 * we are a server, it does not.
1330 * Now in theory, since the calling process own 't' it should be safe to
1331 * modify. We need to be able to read f without being hassled
1333 int SSL_copy_session_id(SSL
*t
, const SSL
*f
)
1335 /* Do we need to to SSL locking? */
1336 if (!SSL_set_session(t
, SSL_get_session(f
))) {
1341 * what if we are setup for one protocol version but want to talk another
1343 if (t
->method
!= f
->method
) {
1344 t
->method
->ssl_free(t
);
1345 t
->method
= f
->method
;
1346 if (t
->method
->ssl_new(t
) == 0)
1350 CRYPTO_add(&f
->cert
->references
, 1, CRYPTO_LOCK_SSL_CERT
);
1351 ssl_cert_free(t
->cert
);
1353 if (!SSL_set_session_id_context(t
, f
->sid_ctx
, f
->sid_ctx_length
)) {
1360 /* Fix this so it checks all the valid key/cert options */
1361 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
1363 if ((ctx
== NULL
) ||
1364 (ctx
->cert
->key
->x509
== NULL
)) {
1365 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,
1366 SSL_R_NO_CERTIFICATE_ASSIGNED
);
1369 if (ctx
->cert
->key
->privatekey
== NULL
) {
1370 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,
1371 SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
1374 return (X509_check_private_key
1375 (ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
));
1378 /* Fix this function so that it takes an optional type parameter */
1379 int SSL_check_private_key(const SSL
*ssl
)
1382 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, ERR_R_PASSED_NULL_PARAMETER
);
1385 if (ssl
->cert
->key
->x509
== NULL
) {
1386 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
1389 if (ssl
->cert
->key
->privatekey
== NULL
) {
1390 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
1393 return (X509_check_private_key(ssl
->cert
->key
->x509
,
1394 ssl
->cert
->key
->privatekey
));
1397 int SSL_waiting_for_async(SSL
*s
)
1405 int SSL_get_async_wait_fd(SSL
*s
)
1410 return ASYNC_get_wait_fd(s
->job
);
1413 int SSL_accept(SSL
*s
)
1415 if (s
->handshake_func
== 0) {
1416 /* Not properly initialized yet */
1417 SSL_set_accept_state(s
);
1420 return SSL_do_handshake(s
);
1423 int SSL_connect(SSL
*s
)
1425 if (s
->handshake_func
== 0) {
1426 /* Not properly initialized yet */
1427 SSL_set_connect_state(s
);
1430 return SSL_do_handshake(s
);
1433 long SSL_get_default_timeout(const SSL
*s
)
1435 return (s
->method
->get_timeout());
1438 static int ssl_start_async_job(SSL
*s
, struct ssl_async_args
*args
,
1439 int (*func
)(void *)) {
1441 switch(ASYNC_start_job(&s
->job
, &ret
, func
, args
,
1442 sizeof(struct ssl_async_args
))) {
1444 s
->rwstate
= SSL_NOTHING
;
1445 SSLerr(SSL_F_SSL_START_ASYNC_JOB
, SSL_R_FAILED_TO_INIT_ASYNC
);
1448 s
->rwstate
= SSL_ASYNC_PAUSED
;
1454 s
->rwstate
= SSL_NOTHING
;
1455 SSLerr(SSL_F_SSL_START_ASYNC_JOB
, ERR_R_INTERNAL_ERROR
);
1456 /* Shouldn't happen */
1461 static int ssl_io_intern(void *vargs
)
1463 struct ssl_async_args
*args
;
1468 args
= (struct ssl_async_args
*)vargs
;
1472 if (args
->type
== 1)
1473 return args
->f
.func1(s
, buf
, num
);
1475 return args
->f
.func2(s
, buf
, num
);
1478 int SSL_read(SSL
*s
, void *buf
, int num
)
1480 if (s
->handshake_func
== 0) {
1481 SSLerr(SSL_F_SSL_READ
, SSL_R_UNINITIALIZED
);
1485 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
1486 s
->rwstate
= SSL_NOTHING
;
1490 if((s
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
1491 struct ssl_async_args args
;
1497 args
.f
.func1
= s
->method
->ssl_read
;
1499 return ssl_start_async_job(s
, &args
, ssl_io_intern
);
1501 return s
->method
->ssl_read(s
, buf
, num
);
1505 int SSL_peek(SSL
*s
, void *buf
, int num
)
1507 if (s
->handshake_func
== 0) {
1508 SSLerr(SSL_F_SSL_PEEK
, SSL_R_UNINITIALIZED
);
1512 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
1515 if((s
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
1516 struct ssl_async_args args
;
1522 args
.f
.func1
= s
->method
->ssl_peek
;
1524 return ssl_start_async_job(s
, &args
, ssl_io_intern
);
1526 return s
->method
->ssl_peek(s
, buf
, num
);
1530 int SSL_write(SSL
*s
, const void *buf
, int num
)
1532 if (s
->handshake_func
== 0) {
1533 SSLerr(SSL_F_SSL_WRITE
, SSL_R_UNINITIALIZED
);
1537 if (s
->shutdown
& SSL_SENT_SHUTDOWN
) {
1538 s
->rwstate
= SSL_NOTHING
;
1539 SSLerr(SSL_F_SSL_WRITE
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
1543 if((s
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
1544 struct ssl_async_args args
;
1547 args
.buf
= (void *)buf
;
1550 args
.f
.func2
= s
->method
->ssl_write
;
1552 return ssl_start_async_job(s
, &args
, ssl_io_intern
);
1554 return s
->method
->ssl_write(s
, buf
, num
);
1558 int SSL_shutdown(SSL
*s
)
1561 * Note that this function behaves differently from what one might
1562 * expect. Return values are 0 for no success (yet), 1 for success; but
1563 * calling it once is usually not enough, even if blocking I/O is used
1564 * (see ssl3_shutdown).
1567 if (s
->handshake_func
== 0) {
1568 SSLerr(SSL_F_SSL_SHUTDOWN
, SSL_R_UNINITIALIZED
);
1572 return s
->method
->ssl_shutdown(s
);
1575 int SSL_renegotiate(SSL
*s
)
1577 if (s
->renegotiate
== 0)
1582 return (s
->method
->ssl_renegotiate(s
));
1585 int SSL_renegotiate_abbreviated(SSL
*s
)
1587 if (s
->renegotiate
== 0)
1592 return (s
->method
->ssl_renegotiate(s
));
1595 int SSL_renegotiate_pending(SSL
*s
)
1598 * becomes true when negotiation is requested; false again once a
1599 * handshake has finished
1601 return (s
->renegotiate
!= 0);
1604 long SSL_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
)
1609 case SSL_CTRL_GET_READ_AHEAD
:
1610 return (RECORD_LAYER_get_read_ahead(&s
->rlayer
));
1611 case SSL_CTRL_SET_READ_AHEAD
:
1612 l
= RECORD_LAYER_get_read_ahead(&s
->rlayer
);
1613 RECORD_LAYER_set_read_ahead(&s
->rlayer
, larg
);
1616 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1617 s
->msg_callback_arg
= parg
;
1621 return (s
->mode
|= larg
);
1622 case SSL_CTRL_CLEAR_MODE
:
1623 return (s
->mode
&= ~larg
);
1624 case SSL_CTRL_GET_MAX_CERT_LIST
:
1625 return (s
->max_cert_list
);
1626 case SSL_CTRL_SET_MAX_CERT_LIST
:
1627 l
= s
->max_cert_list
;
1628 s
->max_cert_list
= larg
;
1630 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1631 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1633 s
->max_send_fragment
= larg
;
1635 case SSL_CTRL_GET_RI_SUPPORT
:
1637 return s
->s3
->send_connection_binding
;
1640 case SSL_CTRL_CERT_FLAGS
:
1641 return (s
->cert
->cert_flags
|= larg
);
1642 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1643 return (s
->cert
->cert_flags
&= ~larg
);
1645 case SSL_CTRL_GET_RAW_CIPHERLIST
:
1647 if (s
->s3
->tmp
.ciphers_raw
== NULL
)
1649 *(unsigned char **)parg
= s
->s3
->tmp
.ciphers_raw
;
1650 return (int)s
->s3
->tmp
.ciphers_rawlen
;
1652 return TLS_CIPHER_LEN
;
1654 case SSL_CTRL_GET_EXTMS_SUPPORT
:
1655 if (!s
->session
|| SSL_in_init(s
) || ossl_statem_get_in_handshake(s
))
1657 if (s
->session
->flags
& SSL_SESS_FLAG_EXTMS
)
1661 case SSL_CTRL_SET_MIN_PROTO_VERSION
:
1662 return ssl_set_version_bound(s
->ctx
->method
->version
, (int)larg
,
1663 &s
->min_proto_version
);
1664 case SSL_CTRL_SET_MAX_PROTO_VERSION
:
1665 return ssl_set_version_bound(s
->ctx
->method
->version
, (int)larg
,
1666 &s
->max_proto_version
);
1668 return (s
->method
->ssl_ctrl(s
, cmd
, larg
, parg
));
1672 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void))
1675 case SSL_CTRL_SET_MSG_CALLBACK
:
1676 s
->msg_callback
= (void (*)
1677 (int write_p
, int version
, int content_type
,
1678 const void *buf
, size_t len
, SSL
*ssl
,
1683 return (s
->method
->ssl_callback_ctrl(s
, cmd
, fp
));
1687 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
1689 return ctx
->sessions
;
1692 long SSL_CTX_ctrl(SSL_CTX
*ctx
, int cmd
, long larg
, void *parg
)
1695 /* For some cases with ctx == NULL perform syntax checks */
1698 #ifndef OPENSSL_NO_EC
1699 case SSL_CTRL_SET_CURVES_LIST
:
1700 return tls1_set_curves_list(NULL
, NULL
, parg
);
1702 case SSL_CTRL_SET_SIGALGS_LIST
:
1703 case SSL_CTRL_SET_CLIENT_SIGALGS_LIST
:
1704 return tls1_set_sigalgs_list(NULL
, parg
, 0);
1711 case SSL_CTRL_GET_READ_AHEAD
:
1712 return (ctx
->read_ahead
);
1713 case SSL_CTRL_SET_READ_AHEAD
:
1714 l
= ctx
->read_ahead
;
1715 ctx
->read_ahead
= larg
;
1718 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1719 ctx
->msg_callback_arg
= parg
;
1722 case SSL_CTRL_GET_MAX_CERT_LIST
:
1723 return (ctx
->max_cert_list
);
1724 case SSL_CTRL_SET_MAX_CERT_LIST
:
1725 l
= ctx
->max_cert_list
;
1726 ctx
->max_cert_list
= larg
;
1729 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
1730 l
= ctx
->session_cache_size
;
1731 ctx
->session_cache_size
= larg
;
1733 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
1734 return (ctx
->session_cache_size
);
1735 case SSL_CTRL_SET_SESS_CACHE_MODE
:
1736 l
= ctx
->session_cache_mode
;
1737 ctx
->session_cache_mode
= larg
;
1739 case SSL_CTRL_GET_SESS_CACHE_MODE
:
1740 return (ctx
->session_cache_mode
);
1742 case SSL_CTRL_SESS_NUMBER
:
1743 return (lh_SSL_SESSION_num_items(ctx
->sessions
));
1744 case SSL_CTRL_SESS_CONNECT
:
1745 return (ctx
->stats
.sess_connect
);
1746 case SSL_CTRL_SESS_CONNECT_GOOD
:
1747 return (ctx
->stats
.sess_connect_good
);
1748 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
1749 return (ctx
->stats
.sess_connect_renegotiate
);
1750 case SSL_CTRL_SESS_ACCEPT
:
1751 return (ctx
->stats
.sess_accept
);
1752 case SSL_CTRL_SESS_ACCEPT_GOOD
:
1753 return (ctx
->stats
.sess_accept_good
);
1754 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
1755 return (ctx
->stats
.sess_accept_renegotiate
);
1756 case SSL_CTRL_SESS_HIT
:
1757 return (ctx
->stats
.sess_hit
);
1758 case SSL_CTRL_SESS_CB_HIT
:
1759 return (ctx
->stats
.sess_cb_hit
);
1760 case SSL_CTRL_SESS_MISSES
:
1761 return (ctx
->stats
.sess_miss
);
1762 case SSL_CTRL_SESS_TIMEOUTS
:
1763 return (ctx
->stats
.sess_timeout
);
1764 case SSL_CTRL_SESS_CACHE_FULL
:
1765 return (ctx
->stats
.sess_cache_full
);
1767 return (ctx
->mode
|= larg
);
1768 case SSL_CTRL_CLEAR_MODE
:
1769 return (ctx
->mode
&= ~larg
);
1770 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1771 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1773 ctx
->max_send_fragment
= larg
;
1775 case SSL_CTRL_CERT_FLAGS
:
1776 return (ctx
->cert
->cert_flags
|= larg
);
1777 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1778 return (ctx
->cert
->cert_flags
&= ~larg
);
1779 case SSL_CTRL_SET_MIN_PROTO_VERSION
:
1780 return ssl_set_version_bound(ctx
->method
->version
, (int)larg
,
1781 &ctx
->min_proto_version
);
1782 case SSL_CTRL_SET_MAX_PROTO_VERSION
:
1783 return ssl_set_version_bound(ctx
->method
->version
, (int)larg
,
1784 &ctx
->max_proto_version
);
1786 return (ctx
->method
->ssl_ctx_ctrl(ctx
, cmd
, larg
, parg
));
1790 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
) (void))
1793 case SSL_CTRL_SET_MSG_CALLBACK
:
1794 ctx
->msg_callback
= (void (*)
1795 (int write_p
, int version
, int content_type
,
1796 const void *buf
, size_t len
, SSL
*ssl
,
1801 return (ctx
->method
->ssl_ctx_callback_ctrl(ctx
, cmd
, fp
));
1805 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
1814 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
*const *ap
,
1815 const SSL_CIPHER
*const *bp
)
1817 if ((*ap
)->id
> (*bp
)->id
)
1819 if ((*ap
)->id
< (*bp
)->id
)
1824 /** return a STACK of the ciphers available for the SSL and in order of
1826 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
1829 if (s
->cipher_list
!= NULL
) {
1830 return (s
->cipher_list
);
1831 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list
!= NULL
)) {
1832 return (s
->ctx
->cipher_list
);
1838 STACK_OF(SSL_CIPHER
) *SSL_get_client_ciphers(const SSL
*s
)
1840 if ((s
== NULL
) || (s
->session
== NULL
) || !s
->server
)
1842 return s
->session
->ciphers
;
1845 STACK_OF(SSL_CIPHER
) *SSL_get1_supported_ciphers(SSL
*s
)
1847 STACK_OF(SSL_CIPHER
) *sk
= NULL
, *ciphers
;
1849 ciphers
= SSL_get_ciphers(s
);
1852 ssl_set_client_disabled(s
);
1853 for (i
= 0; i
< sk_SSL_CIPHER_num(ciphers
); i
++) {
1854 const SSL_CIPHER
*c
= sk_SSL_CIPHER_value(ciphers
, i
);
1855 if (!ssl_cipher_disabled(s
, c
, SSL_SECOP_CIPHER_SUPPORTED
)) {
1857 sk
= sk_SSL_CIPHER_new_null();
1860 if (!sk_SSL_CIPHER_push(sk
, c
)) {
1861 sk_SSL_CIPHER_free(sk
);
1869 /** return a STACK of the ciphers available for the SSL and in order of
1871 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
)
1874 if (s
->cipher_list_by_id
!= NULL
) {
1875 return (s
->cipher_list_by_id
);
1876 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list_by_id
!= NULL
)) {
1877 return (s
->ctx
->cipher_list_by_id
);
1883 /** The old interface to get the same thing as SSL_get_ciphers() */
1884 const char *SSL_get_cipher_list(const SSL
*s
, int n
)
1886 const SSL_CIPHER
*c
;
1887 STACK_OF(SSL_CIPHER
) *sk
;
1891 sk
= SSL_get_ciphers(s
);
1892 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
1894 c
= sk_SSL_CIPHER_value(sk
, n
);
1900 /** specify the ciphers to be used by default by the SSL_CTX */
1901 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
1903 STACK_OF(SSL_CIPHER
) *sk
;
1905 sk
= ssl_create_cipher_list(ctx
->method
, &ctx
->cipher_list
,
1906 &ctx
->cipher_list_by_id
, str
, ctx
->cert
);
1908 * ssl_create_cipher_list may return an empty stack if it was unable to
1909 * find a cipher matching the given rule string (for example if the rule
1910 * string specifies a cipher which has been disabled). This is not an
1911 * error as far as ssl_create_cipher_list is concerned, and hence
1912 * ctx->cipher_list and ctx->cipher_list_by_id has been updated.
1916 else if (sk_SSL_CIPHER_num(sk
) == 0) {
1917 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1923 /** specify the ciphers to be used by the SSL */
1924 int SSL_set_cipher_list(SSL
*s
, const char *str
)
1926 STACK_OF(SSL_CIPHER
) *sk
;
1928 sk
= ssl_create_cipher_list(s
->ctx
->method
, &s
->cipher_list
,
1929 &s
->cipher_list_by_id
, str
, s
->cert
);
1930 /* see comment in SSL_CTX_set_cipher_list */
1933 else if (sk_SSL_CIPHER_num(sk
) == 0) {
1934 SSLerr(SSL_F_SSL_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1940 char *SSL_get_shared_ciphers(const SSL
*s
, char *buf
, int len
)
1943 STACK_OF(SSL_CIPHER
) *sk
;
1944 const SSL_CIPHER
*c
;
1947 if ((s
->session
== NULL
) || (s
->session
->ciphers
== NULL
) || (len
< 2))
1951 sk
= s
->session
->ciphers
;
1953 if (sk_SSL_CIPHER_num(sk
) == 0)
1956 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); i
++) {
1959 c
= sk_SSL_CIPHER_value(sk
, i
);
1960 n
= strlen(c
->name
);
1976 /** return a servername extension value if provided in Client Hello, or NULL.
1977 * So far, only host_name types are defined (RFC 3546).
1980 const char *SSL_get_servername(const SSL
*s
, const int type
)
1982 if (type
!= TLSEXT_NAMETYPE_host_name
)
1985 return s
->session
&& !s
->tlsext_hostname
?
1986 s
->session
->tlsext_hostname
: s
->tlsext_hostname
;
1989 int SSL_get_servername_type(const SSL
*s
)
1992 && (!s
->tlsext_hostname
? s
->session
->
1993 tlsext_hostname
: s
->tlsext_hostname
))
1994 return TLSEXT_NAMETYPE_host_name
;
1999 * SSL_select_next_proto implements the standard protocol selection. It is
2000 * expected that this function is called from the callback set by
2001 * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a
2002 * vector of 8-bit, length prefixed byte strings. The length byte itself is
2003 * not included in the length. A byte string of length 0 is invalid. No byte
2004 * string may be truncated. The current, but experimental algorithm for
2005 * selecting the protocol is: 1) If the server doesn't support NPN then this
2006 * is indicated to the callback. In this case, the client application has to
2007 * abort the connection or have a default application level protocol. 2) If
2008 * the server supports NPN, but advertises an empty list then the client
2009 * selects the first protcol in its list, but indicates via the API that this
2010 * fallback case was enacted. 3) Otherwise, the client finds the first
2011 * protocol in the server's list that it supports and selects this protocol.
2012 * This is because it's assumed that the server has better information about
2013 * which protocol a client should use. 4) If the client doesn't support any
2014 * of the server's advertised protocols, then this is treated the same as
2015 * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was
2016 * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
2018 int SSL_select_next_proto(unsigned char **out
, unsigned char *outlen
,
2019 const unsigned char *server
,
2020 unsigned int server_len
,
2021 const unsigned char *client
,
2022 unsigned int client_len
)
2025 const unsigned char *result
;
2026 int status
= OPENSSL_NPN_UNSUPPORTED
;
2029 * For each protocol in server preference order, see if we support it.
2031 for (i
= 0; i
< server_len
;) {
2032 for (j
= 0; j
< client_len
;) {
2033 if (server
[i
] == client
[j
] &&
2034 memcmp(&server
[i
+ 1], &client
[j
+ 1], server
[i
]) == 0) {
2035 /* We found a match */
2036 result
= &server
[i
];
2037 status
= OPENSSL_NPN_NEGOTIATED
;
2047 /* There's no overlap between our protocols and the server's list. */
2049 status
= OPENSSL_NPN_NO_OVERLAP
;
2052 *out
= (unsigned char *)result
+ 1;
2053 *outlen
= result
[0];
2057 #ifndef OPENSSL_NO_NEXTPROTONEG
2059 * SSL_get0_next_proto_negotiated sets *data and *len to point to the
2060 * client's requested protocol for this connection and returns 0. If the
2061 * client didn't request any protocol, then *data is set to NULL. Note that
2062 * the client can request any protocol it chooses. The value returned from
2063 * this function need not be a member of the list of supported protocols
2064 * provided by the callback.
2066 void SSL_get0_next_proto_negotiated(const SSL
*s
, const unsigned char **data
,
2069 *data
= s
->next_proto_negotiated
;
2073 *len
= s
->next_proto_negotiated_len
;
2078 * SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when
2079 * a TLS server needs a list of supported protocols for Next Protocol
2080 * Negotiation. The returned list must be in wire format. The list is
2081 * returned by setting |out| to point to it and |outlen| to its length. This
2082 * memory will not be modified, but one should assume that the SSL* keeps a
2083 * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it
2084 * wishes to advertise. Otherwise, no such extension will be included in the
2087 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX
*ctx
,
2088 int (*cb
) (SSL
*ssl
,
2091 unsigned int *outlen
,
2092 void *arg
), void *arg
)
2094 ctx
->next_protos_advertised_cb
= cb
;
2095 ctx
->next_protos_advertised_cb_arg
= arg
;
2099 * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
2100 * client needs to select a protocol from the server's provided list. |out|
2101 * must be set to point to the selected protocol (which may be within |in|).
2102 * The length of the protocol name must be written into |outlen|. The
2103 * server's advertised protocols are provided in |in| and |inlen|. The
2104 * callback can assume that |in| is syntactically valid. The client must
2105 * select a protocol. It is fatal to the connection if this callback returns
2106 * a value other than SSL_TLSEXT_ERR_OK.
2108 void SSL_CTX_set_next_proto_select_cb(SSL_CTX
*ctx
,
2109 int (*cb
) (SSL
*s
, unsigned char **out
,
2110 unsigned char *outlen
,
2111 const unsigned char *in
,
2113 void *arg
), void *arg
)
2115 ctx
->next_proto_select_cb
= cb
;
2116 ctx
->next_proto_select_cb_arg
= arg
;
2121 * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
2122 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
2123 * length-prefixed strings). Returns 0 on success.
2125 int SSL_CTX_set_alpn_protos(SSL_CTX
*ctx
, const unsigned char *protos
,
2126 unsigned protos_len
)
2128 OPENSSL_free(ctx
->alpn_client_proto_list
);
2129 ctx
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
2130 if (ctx
->alpn_client_proto_list
== NULL
)
2132 memcpy(ctx
->alpn_client_proto_list
, protos
, protos_len
);
2133 ctx
->alpn_client_proto_list_len
= protos_len
;
2139 * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
2140 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
2141 * length-prefixed strings). Returns 0 on success.
2143 int SSL_set_alpn_protos(SSL
*ssl
, const unsigned char *protos
,
2144 unsigned protos_len
)
2146 OPENSSL_free(ssl
->alpn_client_proto_list
);
2147 ssl
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
2148 if (ssl
->alpn_client_proto_list
== NULL
)
2150 memcpy(ssl
->alpn_client_proto_list
, protos
, protos_len
);
2151 ssl
->alpn_client_proto_list_len
= protos_len
;
2157 * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is
2158 * called during ClientHello processing in order to select an ALPN protocol
2159 * from the client's list of offered protocols.
2161 void SSL_CTX_set_alpn_select_cb(SSL_CTX
*ctx
,
2162 int (*cb
) (SSL
*ssl
,
2163 const unsigned char **out
,
2164 unsigned char *outlen
,
2165 const unsigned char *in
,
2167 void *arg
), void *arg
)
2169 ctx
->alpn_select_cb
= cb
;
2170 ctx
->alpn_select_cb_arg
= arg
;
2174 * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from
2175 * |ssl|. On return it sets |*data| to point to |*len| bytes of protocol name
2176 * (not including the leading length-prefix byte). If the server didn't
2177 * respond with a negotiated protocol then |*len| will be zero.
2179 void SSL_get0_alpn_selected(const SSL
*ssl
, const unsigned char **data
,
2184 *data
= ssl
->s3
->alpn_selected
;
2188 *len
= ssl
->s3
->alpn_selected_len
;
2192 int SSL_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
2193 const char *label
, size_t llen
,
2194 const unsigned char *p
, size_t plen
,
2197 if (s
->version
< TLS1_VERSION
)
2200 return s
->method
->ssl3_enc
->export_keying_material(s
, out
, olen
, label
,
2205 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
2210 ((unsigned int)a
->session_id
[0]) |
2211 ((unsigned int)a
->session_id
[1] << 8L) |
2212 ((unsigned long)a
->session_id
[2] << 16L) |
2213 ((unsigned long)a
->session_id
[3] << 24L);
2218 * NB: If this function (or indeed the hash function which uses a sort of
2219 * coarser function than this one) is changed, ensure
2220 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on
2221 * being able to construct an SSL_SESSION that will collide with any existing
2222 * session with a matching session ID.
2224 static int ssl_session_cmp(const SSL_SESSION
*a
, const SSL_SESSION
*b
)
2226 if (a
->ssl_version
!= b
->ssl_version
)
2228 if (a
->session_id_length
!= b
->session_id_length
)
2230 return (memcmp(a
->session_id
, b
->session_id
, a
->session_id_length
));
2234 * These wrapper functions should remain rather than redeclaring
2235 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
2236 * variable. The reason is that the functions aren't static, they're exposed
2240 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
2242 SSL_CTX
*ret
= NULL
;
2245 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_NULL_SSL_METHOD_PASSED
);
2249 if (FIPS_mode() && (meth
->version
< TLS1_VERSION
)) {
2250 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_AT_LEAST_TLS_1_0_NEEDED_IN_FIPS_MODE
);
2254 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
2255 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
2258 ret
= OPENSSL_zalloc(sizeof(*ret
));
2263 ret
->min_proto_version
= 0;
2264 ret
->max_proto_version
= 0;
2265 ret
->session_cache_mode
= SSL_SESS_CACHE_SERVER
;
2266 ret
->session_cache_size
= SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
2267 /* We take the system default. */
2268 ret
->session_timeout
= meth
->get_timeout();
2269 ret
->references
= 1;
2270 ret
->max_cert_list
= SSL_MAX_CERT_LIST_DEFAULT
;
2271 ret
->verify_mode
= SSL_VERIFY_NONE
;
2272 if ((ret
->cert
= ssl_cert_new()) == NULL
)
2275 ret
->sessions
= lh_SSL_SESSION_new(ssl_session_hash
, ssl_session_cmp
);
2276 if (ret
->sessions
== NULL
)
2278 ret
->cert_store
= X509_STORE_new();
2279 if (ret
->cert_store
== NULL
)
2282 if (!ssl_create_cipher_list(ret
->method
,
2283 &ret
->cipher_list
, &ret
->cipher_list_by_id
,
2284 SSL_DEFAULT_CIPHER_LIST
, ret
->cert
)
2285 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0) {
2286 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_LIBRARY_HAS_NO_CIPHERS
);
2290 ret
->param
= X509_VERIFY_PARAM_new();
2291 if (ret
->param
== NULL
)
2294 if ((ret
->md5
= EVP_get_digestbyname("ssl3-md5")) == NULL
) {
2295 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES
);
2298 if ((ret
->sha1
= EVP_get_digestbyname("ssl3-sha1")) == NULL
) {
2299 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES
);
2303 if ((ret
->client_CA
= sk_X509_NAME_new_null()) == NULL
)
2306 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
);
2308 /* No compression for DTLS */
2309 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
))
2310 ret
->comp_methods
= SSL_COMP_get_compression_methods();
2312 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
2314 /* Setup RFC4507 ticket keys */
2315 if ((RAND_bytes(ret
->tlsext_tick_key_name
, 16) <= 0)
2316 || (RAND_bytes(ret
->tlsext_tick_hmac_key
, 16) <= 0)
2317 || (RAND_bytes(ret
->tlsext_tick_aes_key
, 16) <= 0))
2318 ret
->options
|= SSL_OP_NO_TICKET
;
2320 #ifndef OPENSSL_NO_SRP
2321 if (!SSL_CTX_SRP_CTX_init(ret
))
2324 #ifndef OPENSSL_NO_ENGINE
2325 # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
2326 # define eng_strx(x) #x
2327 # define eng_str(x) eng_strx(x)
2328 /* Use specific client engine automatically... ignore errors */
2331 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
2334 ENGINE_load_builtin_engines();
2335 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
2337 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
2343 * Default is to connect to non-RI servers. When RI is more widely
2344 * deployed might change this.
2346 ret
->options
|= SSL_OP_LEGACY_SERVER_CONNECT
;
2350 SSLerr(SSL_F_SSL_CTX_NEW
, ERR_R_MALLOC_FAILURE
);
2356 void SSL_CTX_up_ref(SSL_CTX
*ctx
)
2358 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
2361 void SSL_CTX_free(SSL_CTX
*a
)
2368 i
= CRYPTO_add(&a
->references
, -1, CRYPTO_LOCK_SSL_CTX
);
2370 REF_PRINT("SSL_CTX", a
);
2376 fprintf(stderr
, "SSL_CTX_free, bad reference count\n");
2381 X509_VERIFY_PARAM_free(a
->param
);
2382 dane_ctx_final(&a
->dane
);
2385 * Free internal session cache. However: the remove_cb() may reference
2386 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
2387 * after the sessions were flushed.
2388 * As the ex_data handling routines might also touch the session cache,
2389 * the most secure solution seems to be: empty (flush) the cache, then
2390 * free ex_data, then finally free the cache.
2391 * (See ticket [openssl.org #212].)
2393 if (a
->sessions
!= NULL
)
2394 SSL_CTX_flush_sessions(a
, 0);
2396 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, a
, &a
->ex_data
);
2397 lh_SSL_SESSION_free(a
->sessions
);
2398 X509_STORE_free(a
->cert_store
);
2399 sk_SSL_CIPHER_free(a
->cipher_list
);
2400 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
2401 ssl_cert_free(a
->cert
);
2402 sk_X509_NAME_pop_free(a
->client_CA
, X509_NAME_free
);
2403 sk_X509_pop_free(a
->extra_certs
, X509_free
);
2404 a
->comp_methods
= NULL
;
2405 #ifndef OPENSSL_NO_SRTP
2406 sk_SRTP_PROTECTION_PROFILE_free(a
->srtp_profiles
);
2408 #ifndef OPENSSL_NO_SRP
2409 SSL_CTX_SRP_CTX_free(a
);
2411 #ifndef OPENSSL_NO_ENGINE
2412 if (a
->client_cert_engine
)
2413 ENGINE_finish(a
->client_cert_engine
);
2416 #ifndef OPENSSL_NO_EC
2417 OPENSSL_free(a
->tlsext_ecpointformatlist
);
2418 OPENSSL_free(a
->tlsext_ellipticcurvelist
);
2420 OPENSSL_free(a
->alpn_client_proto_list
);
2425 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
2427 ctx
->default_passwd_callback
= cb
;
2430 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
, void *u
)
2432 ctx
->default_passwd_callback_userdata
= u
;
2435 void SSL_set_default_passwd_cb(SSL
*s
, pem_password_cb
*cb
)
2437 s
->default_passwd_callback
= cb
;
2440 void SSL_set_default_passwd_cb_userdata(SSL
*s
, void *u
)
2442 s
->default_passwd_callback_userdata
= u
;
2445 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
,
2446 int (*cb
) (X509_STORE_CTX
*, void *),
2449 ctx
->app_verify_callback
= cb
;
2450 ctx
->app_verify_arg
= arg
;
2453 void SSL_CTX_set_verify(SSL_CTX
*ctx
, int mode
,
2454 int (*cb
) (int, X509_STORE_CTX
*))
2456 ctx
->verify_mode
= mode
;
2457 ctx
->default_verify_callback
= cb
;
2460 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
, int depth
)
2462 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
2465 void SSL_CTX_set_cert_cb(SSL_CTX
*c
, int (*cb
) (SSL
*ssl
, void *arg
),
2468 ssl_cert_set_cert_cb(c
->cert
, cb
, arg
);
2471 void SSL_set_cert_cb(SSL
*s
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
2473 ssl_cert_set_cert_cb(s
->cert
, cb
, arg
);
2476 void ssl_set_masks(SSL
*s
, const SSL_CIPHER
*cipher
)
2478 #if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_GOST)
2482 uint32_t *pvalid
= s
->s3
->tmp
.valid_flags
;
2483 int rsa_enc
, rsa_sign
, dh_tmp
, dsa_sign
;
2484 unsigned long mask_k
, mask_a
;
2485 #ifndef OPENSSL_NO_EC
2486 int have_ecc_cert
, ecdsa_ok
;
2489 int pk_nid
= 0, md_nid
= 0;
2494 #ifndef OPENSSL_NO_DH
2495 dh_tmp
= (c
->dh_tmp
!= NULL
|| c
->dh_tmp_cb
!= NULL
|| c
->dh_tmp_auto
);
2500 rsa_enc
= pvalid
[SSL_PKEY_RSA_ENC
] & CERT_PKEY_VALID
;
2501 rsa_sign
= pvalid
[SSL_PKEY_RSA_SIGN
] & CERT_PKEY_SIGN
;
2502 dsa_sign
= pvalid
[SSL_PKEY_DSA_SIGN
] & CERT_PKEY_SIGN
;
2503 #ifndef OPENSSL_NO_EC
2504 have_ecc_cert
= pvalid
[SSL_PKEY_ECC
] & CERT_PKEY_VALID
;
2510 fprintf(stderr
, "dht=%d re=%d rs=%d ds=%d\n",
2511 dh_tmp
, rsa_enc
, rsa_sign
, dsa_sign
);
2514 #ifndef OPENSSL_NO_GOST
2515 cpk
= &(c
->pkeys
[SSL_PKEY_GOST12_512
]);
2516 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2517 mask_k
|= SSL_kGOST
;
2518 mask_a
|= SSL_aGOST12
;
2520 cpk
= &(c
->pkeys
[SSL_PKEY_GOST12_256
]);
2521 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2522 mask_k
|= SSL_kGOST
;
2523 mask_a
|= SSL_aGOST12
;
2525 cpk
= &(c
->pkeys
[SSL_PKEY_GOST01
]);
2526 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2527 mask_k
|= SSL_kGOST
;
2528 mask_a
|= SSL_aGOST01
;
2538 if (rsa_enc
|| rsa_sign
) {
2546 mask_a
|= SSL_aNULL
;
2549 * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites
2550 * depending on the key usage extension.
2552 #ifndef OPENSSL_NO_EC
2553 if (have_ecc_cert
) {
2555 cpk
= &c
->pkeys
[SSL_PKEY_ECC
];
2557 ex_kusage
= X509_get_key_usage(x
);
2558 ecdh_ok
= ex_kusage
& X509v3_KU_KEY_AGREEMENT
;
2559 ecdsa_ok
= ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
;
2560 if (!(pvalid
[SSL_PKEY_ECC
] & CERT_PKEY_SIGN
))
2562 OBJ_find_sigid_algs(X509_get_signature_nid(x
), &md_nid
, &pk_nid
);
2565 if (pk_nid
== NID_rsaEncryption
|| pk_nid
== NID_rsa
) {
2566 mask_k
|= SSL_kECDHr
;
2567 mask_a
|= SSL_aECDH
;
2570 if (pk_nid
== NID_X9_62_id_ecPublicKey
) {
2571 mask_k
|= SSL_kECDHe
;
2572 mask_a
|= SSL_aECDH
;
2576 mask_a
|= SSL_aECDSA
;
2581 #ifndef OPENSSL_NO_EC
2582 mask_k
|= SSL_kECDHE
;
2585 #ifndef OPENSSL_NO_PSK
2588 if (mask_k
& SSL_kRSA
)
2589 mask_k
|= SSL_kRSAPSK
;
2590 if (mask_k
& SSL_kDHE
)
2591 mask_k
|= SSL_kDHEPSK
;
2592 if (mask_k
& SSL_kECDHE
)
2593 mask_k
|= SSL_kECDHEPSK
;
2596 s
->s3
->tmp
.mask_k
= mask_k
;
2597 s
->s3
->tmp
.mask_a
= mask_a
;
2600 #ifndef OPENSSL_NO_EC
2602 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL
*s
)
2604 unsigned long alg_k
, alg_a
;
2605 int md_nid
= 0, pk_nid
= 0;
2606 const SSL_CIPHER
*cs
= s
->s3
->tmp
.new_cipher
;
2607 uint32_t ex_kusage
= X509_get_key_usage(x
);
2609 alg_k
= cs
->algorithm_mkey
;
2610 alg_a
= cs
->algorithm_auth
;
2612 OBJ_find_sigid_algs(X509_get_signature_nid(x
), &md_nid
, &pk_nid
);
2614 if (alg_k
& SSL_kECDHe
|| alg_k
& SSL_kECDHr
) {
2615 /* key usage, if present, must allow key agreement */
2616 if (!(ex_kusage
& X509v3_KU_KEY_AGREEMENT
)) {
2617 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2618 SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT
);
2621 if ((alg_k
& SSL_kECDHe
) && TLS1_get_version(s
) < TLS1_2_VERSION
) {
2622 /* signature alg must be ECDSA */
2623 if (pk_nid
!= NID_X9_62_id_ecPublicKey
) {
2624 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2625 SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE
);
2629 if ((alg_k
& SSL_kECDHr
) && TLS1_get_version(s
) < TLS1_2_VERSION
) {
2630 /* signature alg must be RSA */
2632 if (pk_nid
!= NID_rsaEncryption
&& pk_nid
!= NID_rsa
) {
2633 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2634 SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE
);
2639 if (alg_a
& SSL_aECDSA
) {
2640 /* key usage, if present, must allow signing */
2641 if (!(ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
)) {
2642 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2643 SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
2648 return 1; /* all checks are ok */
2653 static int ssl_get_server_cert_index(const SSL
*s
)
2656 idx
= ssl_cipher_get_cert_index(s
->s3
->tmp
.new_cipher
);
2657 if (idx
== SSL_PKEY_RSA_ENC
&& !s
->cert
->pkeys
[SSL_PKEY_RSA_ENC
].x509
)
2658 idx
= SSL_PKEY_RSA_SIGN
;
2659 if (idx
== SSL_PKEY_GOST_EC
) {
2660 if (s
->cert
->pkeys
[SSL_PKEY_GOST12_512
].x509
)
2661 idx
= SSL_PKEY_GOST12_512
;
2662 else if (s
->cert
->pkeys
[SSL_PKEY_GOST12_256
].x509
)
2663 idx
= SSL_PKEY_GOST12_256
;
2664 else if (s
->cert
->pkeys
[SSL_PKEY_GOST01
].x509
)
2665 idx
= SSL_PKEY_GOST01
;
2670 SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX
, ERR_R_INTERNAL_ERROR
);
2674 CERT_PKEY
*ssl_get_server_send_pkey(SSL
*s
)
2680 if (!s
->s3
|| !s
->s3
->tmp
.new_cipher
)
2682 ssl_set_masks(s
, s
->s3
->tmp
.new_cipher
);
2684 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2686 * Broken protocol test: return last used certificate: which may mismatch
2689 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2693 i
= ssl_get_server_cert_index(s
);
2695 /* This may or may not be an error. */
2700 return &c
->pkeys
[i
];
2703 EVP_PKEY
*ssl_get_sign_pkey(SSL
*s
, const SSL_CIPHER
*cipher
,
2706 unsigned long alg_a
;
2710 alg_a
= cipher
->algorithm_auth
;
2713 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2715 * Broken protocol test: use last key: which may mismatch the one
2718 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2719 idx
= c
->key
- c
->pkeys
;
2723 if ((alg_a
& SSL_aDSS
) &&
2724 (c
->pkeys
[SSL_PKEY_DSA_SIGN
].privatekey
!= NULL
))
2725 idx
= SSL_PKEY_DSA_SIGN
;
2726 else if (alg_a
& SSL_aRSA
) {
2727 if (c
->pkeys
[SSL_PKEY_RSA_SIGN
].privatekey
!= NULL
)
2728 idx
= SSL_PKEY_RSA_SIGN
;
2729 else if (c
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
!= NULL
)
2730 idx
= SSL_PKEY_RSA_ENC
;
2731 } else if ((alg_a
& SSL_aECDSA
) &&
2732 (c
->pkeys
[SSL_PKEY_ECC
].privatekey
!= NULL
))
2735 SSLerr(SSL_F_SSL_GET_SIGN_PKEY
, ERR_R_INTERNAL_ERROR
);
2739 *pmd
= s
->s3
->tmp
.md
[idx
];
2740 return c
->pkeys
[idx
].privatekey
;
2743 int ssl_get_server_cert_serverinfo(SSL
*s
, const unsigned char **serverinfo
,
2744 size_t *serverinfo_length
)
2748 *serverinfo_length
= 0;
2751 i
= ssl_get_server_cert_index(s
);
2755 if (c
->pkeys
[i
].serverinfo
== NULL
)
2758 *serverinfo
= c
->pkeys
[i
].serverinfo
;
2759 *serverinfo_length
= c
->pkeys
[i
].serverinfo_length
;
2763 void ssl_update_cache(SSL
*s
, int mode
)
2768 * If the session_id_length is 0, we are not supposed to cache it, and it
2769 * would be rather hard to do anyway :-)
2771 if (s
->session
->session_id_length
== 0)
2774 i
= s
->session_ctx
->session_cache_mode
;
2775 if ((i
& mode
) && (!s
->hit
)
2776 && ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
)
2777 || SSL_CTX_add_session(s
->session_ctx
, s
->session
))
2778 && (s
->session_ctx
->new_session_cb
!= NULL
)) {
2779 CRYPTO_add(&s
->session
->references
, 1, CRYPTO_LOCK_SSL_SESSION
);
2780 if (!s
->session_ctx
->new_session_cb(s
, s
->session
))
2781 SSL_SESSION_free(s
->session
);
2784 /* auto flush every 255 connections */
2785 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) && ((i
& mode
) == mode
)) {
2786 if ((((mode
& SSL_SESS_CACHE_CLIENT
)
2787 ? s
->session_ctx
->stats
.sess_connect_good
2788 : s
->session_ctx
->stats
.sess_accept_good
) & 0xff) == 0xff) {
2789 SSL_CTX_flush_sessions(s
->session_ctx
, (unsigned long)time(NULL
));
2794 const SSL_METHOD
*SSL_CTX_get_ssl_method(SSL_CTX
*ctx
)
2799 const SSL_METHOD
*SSL_get_ssl_method(SSL
*s
)
2804 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
2808 if (s
->method
!= meth
) {
2809 const SSL_METHOD
*sm
= s
->method
;
2810 int (*hf
)(SSL
*) = s
->handshake_func
;
2812 if (sm
->version
== meth
->version
)
2817 ret
= s
->method
->ssl_new(s
);
2820 if (hf
== sm
->ssl_connect
)
2821 s
->handshake_func
= meth
->ssl_connect
;
2822 else if (hf
== sm
->ssl_accept
)
2823 s
->handshake_func
= meth
->ssl_accept
;
2828 int SSL_get_error(const SSL
*s
, int i
)
2835 return (SSL_ERROR_NONE
);
2838 * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc,
2839 * where we do encode the error
2841 if ((l
= ERR_peek_error()) != 0) {
2842 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
2843 return (SSL_ERROR_SYSCALL
);
2845 return (SSL_ERROR_SSL
);
2848 if ((i
< 0) && SSL_want_read(s
)) {
2849 bio
= SSL_get_rbio(s
);
2850 if (BIO_should_read(bio
))
2851 return (SSL_ERROR_WANT_READ
);
2852 else if (BIO_should_write(bio
))
2854 * This one doesn't make too much sense ... We never try to write
2855 * to the rbio, and an application program where rbio and wbio
2856 * are separate couldn't even know what it should wait for.
2857 * However if we ever set s->rwstate incorrectly (so that we have
2858 * SSL_want_read(s) instead of SSL_want_write(s)) and rbio and
2859 * wbio *are* the same, this test works around that bug; so it
2860 * might be safer to keep it.
2862 return (SSL_ERROR_WANT_WRITE
);
2863 else if (BIO_should_io_special(bio
)) {
2864 reason
= BIO_get_retry_reason(bio
);
2865 if (reason
== BIO_RR_CONNECT
)
2866 return (SSL_ERROR_WANT_CONNECT
);
2867 else if (reason
== BIO_RR_ACCEPT
)
2868 return (SSL_ERROR_WANT_ACCEPT
);
2870 return (SSL_ERROR_SYSCALL
); /* unknown */
2874 if ((i
< 0) && SSL_want_write(s
)) {
2875 bio
= SSL_get_wbio(s
);
2876 if (BIO_should_write(bio
))
2877 return (SSL_ERROR_WANT_WRITE
);
2878 else if (BIO_should_read(bio
))
2880 * See above (SSL_want_read(s) with BIO_should_write(bio))
2882 return (SSL_ERROR_WANT_READ
);
2883 else if (BIO_should_io_special(bio
)) {
2884 reason
= BIO_get_retry_reason(bio
);
2885 if (reason
== BIO_RR_CONNECT
)
2886 return (SSL_ERROR_WANT_CONNECT
);
2887 else if (reason
== BIO_RR_ACCEPT
)
2888 return (SSL_ERROR_WANT_ACCEPT
);
2890 return (SSL_ERROR_SYSCALL
);
2893 if ((i
< 0) && SSL_want_x509_lookup(s
)) {
2894 return (SSL_ERROR_WANT_X509_LOOKUP
);
2896 if ((i
< 0) && SSL_want_async(s
)) {
2897 return SSL_ERROR_WANT_ASYNC
;
2901 if ((s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
2902 (s
->s3
->warn_alert
== SSL_AD_CLOSE_NOTIFY
))
2903 return (SSL_ERROR_ZERO_RETURN
);
2905 return (SSL_ERROR_SYSCALL
);
2908 static int ssl_do_handshake_intern(void *vargs
)
2910 struct ssl_async_args
*args
;
2913 args
= (struct ssl_async_args
*)vargs
;
2916 return s
->handshake_func(s
);
2919 int SSL_do_handshake(SSL
*s
)
2923 if (s
->handshake_func
== NULL
) {
2924 SSLerr(SSL_F_SSL_DO_HANDSHAKE
, SSL_R_CONNECTION_TYPE_NOT_SET
);
2928 s
->method
->ssl_renegotiate_check(s
);
2930 if (SSL_in_init(s
) || SSL_in_before(s
)) {
2931 if((s
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2932 struct ssl_async_args args
;
2936 ret
= ssl_start_async_job(s
, &args
, ssl_do_handshake_intern
);
2938 ret
= s
->handshake_func(s
);
2944 void SSL_set_accept_state(SSL
*s
)
2948 ossl_statem_clear(s
);
2949 s
->handshake_func
= s
->method
->ssl_accept
;
2953 void SSL_set_connect_state(SSL
*s
)
2957 ossl_statem_clear(s
);
2958 s
->handshake_func
= s
->method
->ssl_connect
;
2962 int ssl_undefined_function(SSL
*s
)
2964 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2968 int ssl_undefined_void_function(void)
2970 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION
,
2971 ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2975 int ssl_undefined_const_function(const SSL
*s
)
2980 SSL_METHOD
*ssl_bad_method(int ver
)
2982 SSLerr(SSL_F_SSL_BAD_METHOD
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2986 const char *SSL_get_version(const SSL
*s
)
2988 if (s
->version
== TLS1_2_VERSION
)
2990 else if (s
->version
== TLS1_1_VERSION
)
2992 else if (s
->version
== TLS1_VERSION
)
2994 else if (s
->version
== SSL3_VERSION
)
2996 else if (s
->version
== DTLS1_BAD_VER
)
2997 return ("DTLSv0.9");
2998 else if (s
->version
== DTLS1_VERSION
)
3000 else if (s
->version
== DTLS1_2_VERSION
)
3001 return ("DTLSv1.2");
3006 SSL
*SSL_dup(SSL
*s
)
3008 STACK_OF(X509_NAME
) *sk
;
3013 /* If we're not quiescent, just up_ref! */
3014 if (!SSL_in_init(s
) || !SSL_in_before(s
)) {
3015 CRYPTO_add(&s
->references
, 1, CRYPTO_LOCK_SSL
);
3020 * Otherwise, copy configuration state, and session if set.
3022 if ((ret
= SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
3025 if (s
->session
!= NULL
) {
3027 * Arranges to share the same session via up_ref. This "copies"
3028 * session-id, SSL_METHOD, sid_ctx, and 'cert'
3030 if (!SSL_copy_session_id(ret
, s
))
3034 * No session has been established yet, so we have to expect that
3035 * s->cert or ret->cert will be changed later -- they should not both
3036 * point to the same object, and thus we can't use
3037 * SSL_copy_session_id.
3039 if (!SSL_set_ssl_method(ret
, s
->method
))
3042 if (s
->cert
!= NULL
) {
3043 ssl_cert_free(ret
->cert
);
3044 ret
->cert
= ssl_cert_dup(s
->cert
);
3045 if (ret
->cert
== NULL
)
3049 if (!SSL_set_session_id_context(ret
, s
->sid_ctx
, s
->sid_ctx_length
))
3053 ssl_dane_dup(ret
, s
);
3054 ret
->version
= s
->version
;
3055 ret
->options
= s
->options
;
3056 ret
->mode
= s
->mode
;
3057 SSL_set_max_cert_list(ret
, SSL_get_max_cert_list(s
));
3058 SSL_set_read_ahead(ret
, SSL_get_read_ahead(s
));
3059 ret
->msg_callback
= s
->msg_callback
;
3060 ret
->msg_callback_arg
= s
->msg_callback_arg
;
3061 SSL_set_verify(ret
, SSL_get_verify_mode(s
), SSL_get_verify_callback(s
));
3062 SSL_set_verify_depth(ret
, SSL_get_verify_depth(s
));
3063 ret
->generate_session_id
= s
->generate_session_id
;
3065 SSL_set_info_callback(ret
, SSL_get_info_callback(s
));
3067 /* copy app data, a little dangerous perhaps */
3068 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
3071 /* setup rbio, and wbio */
3072 if (s
->rbio
!= NULL
) {
3073 if (!BIO_dup_state(s
->rbio
, (char *)&ret
->rbio
))
3076 if (s
->wbio
!= NULL
) {
3077 if (s
->wbio
!= s
->rbio
) {
3078 if (!BIO_dup_state(s
->wbio
, (char *)&ret
->wbio
))
3081 ret
->wbio
= ret
->rbio
;
3084 ret
->server
= s
->server
;
3085 if (s
->handshake_func
) {
3087 SSL_set_accept_state(ret
);
3089 SSL_set_connect_state(ret
);
3091 ret
->shutdown
= s
->shutdown
;
3094 ret
->default_passwd_callback
= s
->default_passwd_callback
;
3095 ret
->default_passwd_callback_userdata
= s
->default_passwd_callback_userdata
;
3097 X509_VERIFY_PARAM_inherit(ret
->param
, s
->param
);
3099 /* dup the cipher_list and cipher_list_by_id stacks */
3100 if (s
->cipher_list
!= NULL
) {
3101 if ((ret
->cipher_list
= sk_SSL_CIPHER_dup(s
->cipher_list
)) == NULL
)
3104 if (s
->cipher_list_by_id
!= NULL
)
3105 if ((ret
->cipher_list_by_id
= sk_SSL_CIPHER_dup(s
->cipher_list_by_id
))
3109 /* Dup the client_CA list */
3110 if (s
->client_CA
!= NULL
) {
3111 if ((sk
= sk_X509_NAME_dup(s
->client_CA
)) == NULL
)
3113 ret
->client_CA
= sk
;
3114 for (i
= 0; i
< sk_X509_NAME_num(sk
); i
++) {
3115 xn
= sk_X509_NAME_value(sk
, i
);
3116 if (sk_X509_NAME_set(sk
, i
, X509_NAME_dup(xn
)) == NULL
) {
3129 void ssl_clear_cipher_ctx(SSL
*s
)
3131 if (s
->enc_read_ctx
!= NULL
) {
3132 EVP_CIPHER_CTX_free(s
->enc_read_ctx
);
3133 s
->enc_read_ctx
= NULL
;
3135 if (s
->enc_write_ctx
!= NULL
) {
3136 EVP_CIPHER_CTX_free(s
->enc_write_ctx
);
3137 s
->enc_write_ctx
= NULL
;
3139 #ifndef OPENSSL_NO_COMP
3140 COMP_CTX_free(s
->expand
);
3142 COMP_CTX_free(s
->compress
);
3147 X509
*SSL_get_certificate(const SSL
*s
)
3149 if (s
->cert
!= NULL
)
3150 return (s
->cert
->key
->x509
);
3155 EVP_PKEY
*SSL_get_privatekey(const SSL
*s
)
3157 if (s
->cert
!= NULL
)
3158 return (s
->cert
->key
->privatekey
);
3163 X509
*SSL_CTX_get0_certificate(const SSL_CTX
*ctx
)
3165 if (ctx
->cert
!= NULL
)
3166 return ctx
->cert
->key
->x509
;
3171 EVP_PKEY
*SSL_CTX_get0_privatekey(const SSL_CTX
*ctx
)
3173 if (ctx
->cert
!= NULL
)
3174 return ctx
->cert
->key
->privatekey
;
3179 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
3181 if ((s
->session
!= NULL
) && (s
->session
->cipher
!= NULL
))
3182 return (s
->session
->cipher
);
3186 const COMP_METHOD
*SSL_get_current_compression(SSL
*s
)
3188 #ifndef OPENSSL_NO_COMP
3189 return s
->compress
? COMP_CTX_get_method(s
->compress
) : NULL
;
3195 const COMP_METHOD
*SSL_get_current_expansion(SSL
*s
)
3197 #ifndef OPENSSL_NO_COMP
3198 return s
->expand
? COMP_CTX_get_method(s
->expand
) : NULL
;
3204 int ssl_init_wbio_buffer(SSL
*s
, int push
)
3208 if (s
->bbio
== NULL
) {
3209 bbio
= BIO_new(BIO_f_buffer());
3215 if (s
->bbio
== s
->wbio
)
3216 s
->wbio
= BIO_pop(s
->wbio
);
3218 (void)BIO_reset(bbio
);
3219 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
3220 if (!BIO_set_read_buffer_size(bbio
, 1)) {
3221 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER
, ERR_R_BUF_LIB
);
3225 if (s
->wbio
!= bbio
)
3226 s
->wbio
= BIO_push(bbio
, s
->wbio
);
3228 if (s
->wbio
== bbio
)
3229 s
->wbio
= BIO_pop(bbio
);
3234 void ssl_free_wbio_buffer(SSL
*s
)
3236 /* callers ensure s is never null */
3237 if (s
->bbio
== NULL
)
3240 if (s
->bbio
== s
->wbio
) {
3241 /* remove buffering */
3242 s
->wbio
= BIO_pop(s
->wbio
);
3243 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids
3244 * adding one more preprocessor symbol */
3245 assert(s
->wbio
!= NULL
);
3252 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
, int mode
)
3254 ctx
->quiet_shutdown
= mode
;
3257 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
3259 return (ctx
->quiet_shutdown
);
3262 void SSL_set_quiet_shutdown(SSL
*s
, int mode
)
3264 s
->quiet_shutdown
= mode
;
3267 int SSL_get_quiet_shutdown(const SSL
*s
)
3269 return (s
->quiet_shutdown
);
3272 void SSL_set_shutdown(SSL
*s
, int mode
)
3277 int SSL_get_shutdown(const SSL
*s
)
3279 return (s
->shutdown
);
3282 int SSL_version(const SSL
*s
)
3284 return (s
->version
);
3287 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
3292 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
*ctx
)
3295 if (ssl
->ctx
== ctx
)
3298 ctx
= ssl
->initial_ctx
;
3299 new_cert
= ssl_cert_dup(ctx
->cert
);
3300 if (new_cert
== NULL
) {
3303 ssl_cert_free(ssl
->cert
);
3304 ssl
->cert
= new_cert
;
3307 * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH),
3308 * so setter APIs must prevent invalid lengths from entering the system.
3310 OPENSSL_assert(ssl
->sid_ctx_length
<= sizeof(ssl
->sid_ctx
));
3313 * If the session ID context matches that of the parent SSL_CTX,
3314 * inherit it from the new SSL_CTX as well. If however the context does
3315 * not match (i.e., it was set per-ssl with SSL_set_session_id_context),
3316 * leave it unchanged.
3318 if ((ssl
->ctx
!= NULL
) &&
3319 (ssl
->sid_ctx_length
== ssl
->ctx
->sid_ctx_length
) &&
3320 (memcmp(ssl
->sid_ctx
, ssl
->ctx
->sid_ctx
, ssl
->sid_ctx_length
) == 0)) {
3321 ssl
->sid_ctx_length
= ctx
->sid_ctx_length
;
3322 memcpy(&ssl
->sid_ctx
, &ctx
->sid_ctx
, sizeof(ssl
->sid_ctx
));
3325 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
3326 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
3332 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
3334 return (X509_STORE_set_default_paths(ctx
->cert_store
));
3337 int SSL_CTX_set_default_verify_dir(SSL_CTX
*ctx
)
3339 X509_LOOKUP
*lookup
;
3341 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_hash_dir());
3344 X509_LOOKUP_add_dir(lookup
, NULL
, X509_FILETYPE_DEFAULT
);
3346 /* Clear any errors if the default directory does not exist */
3352 int SSL_CTX_set_default_verify_file(SSL_CTX
*ctx
)
3354 X509_LOOKUP
*lookup
;
3356 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_file());
3360 X509_LOOKUP_load_file(lookup
, NULL
, X509_FILETYPE_DEFAULT
);
3362 /* Clear any errors if the default file does not exist */
3368 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
3371 return (X509_STORE_load_locations(ctx
->cert_store
, CAfile
, CApath
));
3374 void SSL_set_info_callback(SSL
*ssl
,
3375 void (*cb
) (const SSL
*ssl
, int type
, int val
))
3377 ssl
->info_callback
= cb
;
3381 * One compiler (Diab DCC) doesn't like argument names in returned function
3384 void (*SSL_get_info_callback(const SSL
*ssl
)) (const SSL
* /* ssl */ ,
3387 return ssl
->info_callback
;
3390 void SSL_set_verify_result(SSL
*ssl
, long arg
)
3392 ssl
->verify_result
= arg
;
3395 long SSL_get_verify_result(const SSL
*ssl
)
3397 return (ssl
->verify_result
);
3400 size_t SSL_get_client_random(const SSL
*ssl
, unsigned char *out
, size_t outlen
)
3403 return sizeof(ssl
->s3
->client_random
);
3404 if (outlen
> sizeof(ssl
->s3
->client_random
))
3405 outlen
= sizeof(ssl
->s3
->client_random
);
3406 memcpy(out
, ssl
->s3
->client_random
, outlen
);
3410 size_t SSL_get_server_random(const SSL
*ssl
, unsigned char *out
, size_t outlen
)
3413 return sizeof(ssl
->s3
->server_random
);
3414 if (outlen
> sizeof(ssl
->s3
->server_random
))
3415 outlen
= sizeof(ssl
->s3
->server_random
);
3416 memcpy(out
, ssl
->s3
->server_random
, outlen
);
3420 size_t SSL_SESSION_get_master_key(const SSL_SESSION
*session
,
3421 unsigned char *out
, size_t outlen
)
3423 if (session
->master_key_length
< 0) {
3424 /* Should never happen */
3428 return session
->master_key_length
;
3429 if (outlen
> (size_t)session
->master_key_length
)
3430 outlen
= session
->master_key_length
;
3431 memcpy(out
, session
->master_key
, outlen
);
3435 int SSL_set_ex_data(SSL
*s
, int idx
, void *arg
)
3437 return (CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
));
3440 void *SSL_get_ex_data(const SSL
*s
, int idx
)
3442 return (CRYPTO_get_ex_data(&s
->ex_data
, idx
));
3445 int SSL_CTX_set_ex_data(SSL_CTX
*s
, int idx
, void *arg
)
3447 return (CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
));
3450 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
, int idx
)
3452 return (CRYPTO_get_ex_data(&s
->ex_data
, idx
));
3460 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
3462 return (ctx
->cert_store
);
3465 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
3467 X509_STORE_free(ctx
->cert_store
);
3468 ctx
->cert_store
= store
;
3471 int SSL_want(const SSL
*s
)
3473 return (s
->rwstate
);
3477 * \brief Set the callback for generating temporary DH keys.
3478 * \param ctx the SSL context.
3479 * \param dh the callback
3482 #ifndef OPENSSL_NO_DH
3483 void SSL_CTX_set_tmp_dh_callback(SSL_CTX
*ctx
,
3484 DH
*(*dh
) (SSL
*ssl
, int is_export
,
3487 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_DH_CB
, (void (*)(void))dh
);
3490 void SSL_set_tmp_dh_callback(SSL
*ssl
, DH
*(*dh
) (SSL
*ssl
, int is_export
,
3493 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_DH_CB
, (void (*)(void))dh
);
3497 #ifndef OPENSSL_NO_PSK
3498 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
3500 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
3501 SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT
,
3502 SSL_R_DATA_LENGTH_TOO_LONG
);
3505 OPENSSL_free(ctx
->cert
->psk_identity_hint
);
3506 if (identity_hint
!= NULL
) {
3507 ctx
->cert
->psk_identity_hint
= OPENSSL_strdup(identity_hint
);
3508 if (ctx
->cert
->psk_identity_hint
== NULL
)
3511 ctx
->cert
->psk_identity_hint
= NULL
;
3515 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
3520 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
3521 SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
3524 OPENSSL_free(s
->cert
->psk_identity_hint
);
3525 if (identity_hint
!= NULL
) {
3526 s
->cert
->psk_identity_hint
= OPENSSL_strdup(identity_hint
);
3527 if (s
->cert
->psk_identity_hint
== NULL
)
3530 s
->cert
->psk_identity_hint
= NULL
;
3534 const char *SSL_get_psk_identity_hint(const SSL
*s
)
3536 if (s
== NULL
|| s
->session
== NULL
)
3538 return (s
->session
->psk_identity_hint
);
3541 const char *SSL_get_psk_identity(const SSL
*s
)
3543 if (s
== NULL
|| s
->session
== NULL
)
3545 return (s
->session
->psk_identity
);
3548 void SSL_set_psk_client_callback(SSL
*s
,
3549 unsigned int (*cb
) (SSL
*ssl
,
3558 s
->psk_client_callback
= cb
;
3561 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
,
3562 unsigned int (*cb
) (SSL
*ssl
,
3571 ctx
->psk_client_callback
= cb
;
3574 void SSL_set_psk_server_callback(SSL
*s
,
3575 unsigned int (*cb
) (SSL
*ssl
,
3576 const char *identity
,
3581 s
->psk_server_callback
= cb
;
3584 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
,
3585 unsigned int (*cb
) (SSL
*ssl
,
3586 const char *identity
,
3591 ctx
->psk_server_callback
= cb
;
3595 void SSL_CTX_set_msg_callback(SSL_CTX
*ctx
,
3596 void (*cb
) (int write_p
, int version
,
3597 int content_type
, const void *buf
,
3598 size_t len
, SSL
*ssl
, void *arg
))
3600 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3603 void SSL_set_msg_callback(SSL
*ssl
,
3604 void (*cb
) (int write_p
, int version
,
3605 int content_type
, const void *buf
,
3606 size_t len
, SSL
*ssl
, void *arg
))
3608 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3611 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX
*ctx
,
3612 int (*cb
) (SSL
*ssl
,
3616 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3617 (void (*)(void))cb
);
3620 void SSL_set_not_resumable_session_callback(SSL
*ssl
,
3621 int (*cb
) (SSL
*ssl
,
3622 int is_forward_secure
))
3624 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3625 (void (*)(void))cb
);
3629 * Allocates new EVP_MD_CTX and sets pointer to it into given pointer
3630 * vairable, freeing EVP_MD_CTX previously stored in that variable, if any.
3631 * If EVP_MD pointer is passed, initializes ctx with this md Returns newly
3635 EVP_MD_CTX
*ssl_replace_hash(EVP_MD_CTX
**hash
, const EVP_MD
*md
)
3637 ssl_clear_hash_ctx(hash
);
3638 *hash
= EVP_MD_CTX_new();
3639 if (*hash
== NULL
|| (md
&& EVP_DigestInit_ex(*hash
, md
, NULL
) <= 0)) {
3640 EVP_MD_CTX_free(*hash
);
3647 void ssl_clear_hash_ctx(EVP_MD_CTX
**hash
)
3651 EVP_MD_CTX_free(*hash
);
3655 /* Retrieve handshake hashes */
3656 int ssl_handshake_hash(SSL
*s
, unsigned char *out
, int outlen
)
3658 EVP_MD_CTX
*ctx
= NULL
;
3659 EVP_MD_CTX
*hdgst
= s
->s3
->handshake_dgst
;
3660 int ret
= EVP_MD_CTX_size(hdgst
);
3661 if (ret
< 0 || ret
> outlen
) {
3665 ctx
= EVP_MD_CTX_new();
3670 if (!EVP_MD_CTX_copy_ex(ctx
, hdgst
)
3671 || EVP_DigestFinal_ex(ctx
, out
, NULL
) <= 0)
3674 EVP_MD_CTX_free(ctx
);
3678 int SSL_cache_hit(SSL
*s
)
3683 int SSL_is_server(SSL
*s
)
3688 #if OPENSSL_API_COMPAT < 0x10100000L
3689 void SSL_set_debug(SSL
*s
, int debug
)
3691 /* Old function was do-nothing anyway... */
3698 void SSL_set_security_level(SSL
*s
, int level
)
3700 s
->cert
->sec_level
= level
;
3703 int SSL_get_security_level(const SSL
*s
)
3705 return s
->cert
->sec_level
;
3708 void SSL_set_security_callback(SSL
*s
,
3709 int (*cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3710 int bits
, int nid
, void *other
,
3713 s
->cert
->sec_cb
= cb
;
3716 int (*SSL_get_security_callback(const SSL
*s
)) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3718 void *other
, void *ex
) {
3719 return s
->cert
->sec_cb
;
3722 void SSL_set0_security_ex_data(SSL
*s
, void *ex
)
3724 s
->cert
->sec_ex
= ex
;
3727 void *SSL_get0_security_ex_data(const SSL
*s
)
3729 return s
->cert
->sec_ex
;
3732 void SSL_CTX_set_security_level(SSL_CTX
*ctx
, int level
)
3734 ctx
->cert
->sec_level
= level
;
3737 int SSL_CTX_get_security_level(const SSL_CTX
*ctx
)
3739 return ctx
->cert
->sec_level
;
3742 void SSL_CTX_set_security_callback(SSL_CTX
*ctx
,
3743 int (*cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3744 int bits
, int nid
, void *other
,
3747 ctx
->cert
->sec_cb
= cb
;
3750 int (*SSL_CTX_get_security_callback(const SSL_CTX
*ctx
)) (SSL
*s
,
3756 return ctx
->cert
->sec_cb
;
3759 void SSL_CTX_set0_security_ex_data(SSL_CTX
*ctx
, void *ex
)
3761 ctx
->cert
->sec_ex
= ex
;
3764 void *SSL_CTX_get0_security_ex_data(const SSL_CTX
*ctx
)
3766 return ctx
->cert
->sec_ex
;
3771 * Get/Set/Clear options in SSL_CTX or SSL, formerly macros, now functions that
3772 * can return unsigned long, instead of the generic long return value from the
3773 * control interface.
3775 unsigned long SSL_CTX_get_options(const SSL_CTX
*ctx
)
3777 return ctx
->options
;
3779 unsigned long SSL_get_options(const SSL
* s
)
3783 unsigned long SSL_CTX_set_options(SSL_CTX
*ctx
, unsigned long op
)
3785 return ctx
->options
|= op
;
3787 unsigned long SSL_set_options(SSL
*s
, unsigned long op
)
3789 return s
->options
|= op
;
3791 unsigned long SSL_CTX_clear_options(SSL_CTX
*ctx
, unsigned long op
)
3793 return ctx
->options
&= ~op
;
3795 unsigned long SSL_clear_options(SSL
*s
, unsigned long op
)
3797 return s
->options
&= ~op
;
3800 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
, ssl_cipher_id
);