1 /*! \file ssl/ssl_cert.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
111 /* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
120 #ifndef NO_SYS_TYPES_H
121 # include <sys/types.h>
125 #include <openssl/objects.h>
126 #include <openssl/bio.h>
127 #include <openssl/pem.h>
128 #include <openssl/x509v3.h>
129 #ifndef OPENSSL_NO_DH
130 #include <openssl/dh.h>
132 #include <openssl/bn.h>
133 #include "ssl_locl.h"
135 int SSL_get_ex_data_X509_STORE_CTX_idx(void)
137 static volatile int ssl_x509_store_ctx_idx
= -1;
138 int got_write_lock
= 0;
140 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX
);
142 if (ssl_x509_store_ctx_idx
< 0)
144 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX
);
145 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX
);
148 if (ssl_x509_store_ctx_idx
< 0)
150 ssl_x509_store_ctx_idx
=X509_STORE_CTX_get_ex_new_index(
151 0,"SSL for verify callback",NULL
,NULL
,NULL
);
156 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX
);
158 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX
);
160 return ssl_x509_store_ctx_idx
;
163 void ssl_cert_set_default_md(CERT
*cert
)
165 /* Set digest values to defaults */
166 #ifndef OPENSSL_NO_DSA
167 cert
->pkeys
[SSL_PKEY_DSA_SIGN
].digest
= EVP_sha1();
169 #ifndef OPENSSL_NO_RSA
170 cert
->pkeys
[SSL_PKEY_RSA_SIGN
].digest
= EVP_sha1();
171 cert
->pkeys
[SSL_PKEY_RSA_ENC
].digest
= EVP_sha1();
173 #ifndef OPENSSL_NO_ECDSA
174 cert
->pkeys
[SSL_PKEY_ECC
].digest
= EVP_sha1();
178 CERT
*ssl_cert_new(void)
182 ret
=(CERT
*)OPENSSL_malloc(sizeof(CERT
));
185 SSLerr(SSL_F_SSL_CERT_NEW
,ERR_R_MALLOC_FAILURE
);
188 memset(ret
,0,sizeof(CERT
));
190 ret
->key
= &(ret
->pkeys
[SSL_PKEY_RSA_ENC
]);
192 ssl_cert_set_default_md(ret
);
196 CERT
*ssl_cert_dup(CERT
*cert
)
201 ret
= (CERT
*)OPENSSL_malloc(sizeof(CERT
));
204 SSLerr(SSL_F_SSL_CERT_DUP
, ERR_R_MALLOC_FAILURE
);
208 memset(ret
, 0, sizeof(CERT
));
210 ret
->key
= &ret
->pkeys
[cert
->key
- &cert
->pkeys
[0]];
211 /* or ret->key = ret->pkeys + (cert->key - cert->pkeys),
212 * if you find that more readable */
214 ret
->valid
= cert
->valid
;
215 ret
->mask_k
= cert
->mask_k
;
216 ret
->mask_a
= cert
->mask_a
;
217 ret
->export_mask_k
= cert
->export_mask_k
;
218 ret
->export_mask_a
= cert
->export_mask_a
;
220 #ifndef OPENSSL_NO_RSA
221 if (cert
->rsa_tmp
!= NULL
)
223 RSA_up_ref(cert
->rsa_tmp
);
224 ret
->rsa_tmp
= cert
->rsa_tmp
;
226 ret
->rsa_tmp_cb
= cert
->rsa_tmp_cb
;
229 #ifndef OPENSSL_NO_DH
230 if (cert
->dh_tmp
!= NULL
)
232 ret
->dh_tmp
= DHparams_dup(cert
->dh_tmp
);
233 if (ret
->dh_tmp
== NULL
)
235 SSLerr(SSL_F_SSL_CERT_DUP
, ERR_R_DH_LIB
);
238 if (cert
->dh_tmp
->priv_key
)
240 BIGNUM
*b
= BN_dup(cert
->dh_tmp
->priv_key
);
243 SSLerr(SSL_F_SSL_CERT_DUP
, ERR_R_BN_LIB
);
246 ret
->dh_tmp
->priv_key
= b
;
248 if (cert
->dh_tmp
->pub_key
)
250 BIGNUM
*b
= BN_dup(cert
->dh_tmp
->pub_key
);
253 SSLerr(SSL_F_SSL_CERT_DUP
, ERR_R_BN_LIB
);
256 ret
->dh_tmp
->pub_key
= b
;
259 ret
->dh_tmp_cb
= cert
->dh_tmp_cb
;
262 #ifndef OPENSSL_NO_ECDH
265 ret
->ecdh_tmp
= EC_KEY_dup(cert
->ecdh_tmp
);
266 if (ret
->ecdh_tmp
== NULL
)
268 SSLerr(SSL_F_SSL_CERT_DUP
, ERR_R_EC_LIB
);
272 ret
->ecdh_tmp_cb
= cert
->ecdh_tmp_cb
;
273 ret
->ecdh_tmp_auto
= cert
->ecdh_tmp_auto
;
276 for (i
= 0; i
< SSL_PKEY_NUM
; i
++)
278 CERT_PKEY
*cpk
= cert
->pkeys
+ i
;
279 CERT_PKEY
*rpk
= ret
->pkeys
+ i
;
280 if (cpk
->x509
!= NULL
)
282 rpk
->x509
= cpk
->x509
;
283 CRYPTO_add(&rpk
->x509
->references
, 1, CRYPTO_LOCK_X509
);
286 if (cpk
->privatekey
!= NULL
)
288 rpk
->privatekey
= cpk
->privatekey
;
289 CRYPTO_add(&cpk
->privatekey
->references
, 1,
290 CRYPTO_LOCK_EVP_PKEY
);
294 /* If there was anything special to do for
295 * certain types of keys, we'd do it here.
296 * (Nothing at the moment, I think.) */
298 case SSL_PKEY_RSA_ENC
:
299 case SSL_PKEY_RSA_SIGN
:
300 /* We have an RSA key. */
303 case SSL_PKEY_DSA_SIGN
:
304 /* We have a DSA key. */
307 case SSL_PKEY_DH_RSA
:
308 case SSL_PKEY_DH_DSA
:
309 /* We have a DH key. */
313 /* We have an ECC key */
318 SSLerr(SSL_F_SSL_CERT_DUP
, SSL_R_LIBRARY_BUG
);
324 rpk
->chain
= X509_chain_up_ref(cpk
->chain
);
327 SSLerr(SSL_F_SSL_CERT_DUP
, ERR_R_MALLOC_FAILURE
);
331 rpk
->valid_flags
= 0;
332 if (cert
->pkeys
[i
].authz
!= NULL
)
334 /* Just copy everything. */
335 ret
->pkeys
[i
].authz_length
=
336 cert
->pkeys
[i
].authz_length
;
337 ret
->pkeys
[i
].authz
=
338 OPENSSL_malloc(ret
->pkeys
[i
].authz_length
);
339 if (ret
->pkeys
[i
].authz
== NULL
)
341 SSLerr(SSL_F_SSL_CERT_DUP
, ERR_R_MALLOC_FAILURE
);
344 memcpy(ret
->pkeys
[i
].authz
,
345 cert
->pkeys
[i
].authz
,
346 cert
->pkeys
[i
].authz_length
);
351 /* Set digests to defaults. NB: we don't copy existing values as they
352 * will be set during handshake.
354 ssl_cert_set_default_md(ret
);
355 /* Peer sigalgs set to NULL as we get these from handshake too */
356 ret
->peer_sigalgs
= NULL
;
357 ret
->peer_sigalgslen
= 0;
358 /* Configured sigalgs however we copy across */
360 if (cert
->conf_sigalgs
)
362 ret
->conf_sigalgs
= OPENSSL_malloc(cert
->conf_sigalgslen
);
363 if (!ret
->conf_sigalgs
)
365 memcpy(ret
->conf_sigalgs
, cert
->conf_sigalgs
,
366 cert
->conf_sigalgslen
);
367 ret
->conf_sigalgslen
= cert
->conf_sigalgslen
;
370 ret
->conf_sigalgs
= NULL
;
372 if (cert
->client_sigalgs
)
374 ret
->client_sigalgs
= OPENSSL_malloc(cert
->client_sigalgslen
);
375 if (!ret
->client_sigalgs
)
377 memcpy(ret
->client_sigalgs
, cert
->client_sigalgs
,
378 cert
->client_sigalgslen
);
379 ret
->client_sigalgslen
= cert
->client_sigalgslen
;
382 ret
->client_sigalgs
= NULL
;
383 /* Shared sigalgs also NULL */
384 ret
->shared_sigalgs
= NULL
;
385 /* Copy any custom client certificate types */
388 ret
->ctypes
= OPENSSL_malloc(cert
->ctype_num
);
391 memcpy(ret
->ctypes
, cert
->ctypes
, cert
->ctype_num
);
392 ret
->ctype_num
= cert
->ctype_num
;
395 ret
->cert_flags
= cert
->cert_flags
;
397 ret
->cert_cb
= cert
->cert_cb
;
398 ret
->cert_cb_arg
= cert
->cert_cb_arg
;
400 if (cert
->verify_store
)
402 CRYPTO_add(&cert
->verify_store
->references
, 1, CRYPTO_LOCK_X509_STORE
);
403 ret
->verify_store
= cert
->verify_store
;
406 if (cert
->chain_store
)
408 CRYPTO_add(&cert
->chain_store
->references
, 1, CRYPTO_LOCK_X509_STORE
);
409 ret
->chain_store
= cert
->chain_store
;
414 #if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ECDH)
417 #ifndef OPENSSL_NO_RSA
418 if (ret
->rsa_tmp
!= NULL
)
419 RSA_free(ret
->rsa_tmp
);
421 #ifndef OPENSSL_NO_DH
422 if (ret
->dh_tmp
!= NULL
)
423 DH_free(ret
->dh_tmp
);
425 #ifndef OPENSSL_NO_ECDH
426 if (ret
->ecdh_tmp
!= NULL
)
427 EC_KEY_free(ret
->ecdh_tmp
);
430 ssl_cert_clear_certs(ret
);
435 /* Free up and clear all certificates and chains */
437 void ssl_cert_clear_certs(CERT
*c
)
442 for (i
= 0; i
<SSL_PKEY_NUM
; i
++)
444 CERT_PKEY
*cpk
= c
->pkeys
+ i
;
447 X509_free(cpk
->x509
);
452 EVP_PKEY_free(cpk
->privatekey
);
453 cpk
->privatekey
= NULL
;
457 sk_X509_pop_free(cpk
->chain
, X509_free
);
460 #ifndef OPENSSL_NO_TLSEXT
461 if (cpk
->authz
!= NULL
)
462 OPENSSL_free(cpk
->authz
);
464 /* Clear all flags apart from explicit sign */
465 cpk
->valid_flags
&= CERT_PKEY_EXPLICIT_SIGN
;
469 void ssl_cert_free(CERT
*c
)
476 i
=CRYPTO_add(&c
->references
,-1,CRYPTO_LOCK_SSL_CERT
);
484 fprintf(stderr
,"ssl_cert_free, bad reference count\n");
489 #ifndef OPENSSL_NO_RSA
490 if (c
->rsa_tmp
) RSA_free(c
->rsa_tmp
);
492 #ifndef OPENSSL_NO_DH
493 if (c
->dh_tmp
) DH_free(c
->dh_tmp
);
495 #ifndef OPENSSL_NO_ECDH
496 if (c
->ecdh_tmp
) EC_KEY_free(c
->ecdh_tmp
);
499 ssl_cert_clear_certs(c
);
501 OPENSSL_free(c
->peer_sigalgs
);
503 OPENSSL_free(c
->conf_sigalgs
);
504 if (c
->client_sigalgs
)
505 OPENSSL_free(c
->client_sigalgs
);
506 if (c
->shared_sigalgs
)
507 OPENSSL_free(c
->shared_sigalgs
);
509 OPENSSL_free(c
->ctypes
);
511 X509_STORE_free(c
->verify_store
);
513 X509_STORE_free(c
->chain_store
);
517 int ssl_cert_inst(CERT
**o
)
519 /* Create a CERT if there isn't already one
520 * (which cannot really happen, as it is initially created in
521 * SSL_CTX_new; but the earlier code usually allows for that one
522 * being non-existant, so we follow that behaviour, as it might
523 * turn out that there actually is a reason for it -- but I'm
524 * not sure that *all* of the existing code could cope with
525 * s->cert being NULL, otherwise we could do without the
526 * initialization in SSL_CTX_new).
531 SSLerr(SSL_F_SSL_CERT_INST
, ERR_R_PASSED_NULL_PARAMETER
);
536 if ((*o
= ssl_cert_new()) == NULL
)
538 SSLerr(SSL_F_SSL_CERT_INST
, ERR_R_MALLOC_FAILURE
);
545 int ssl_cert_set0_chain(CERT
*c
, STACK_OF(X509
) *chain
)
547 CERT_PKEY
*cpk
= c
->key
;
551 sk_X509_pop_free(cpk
->chain
, X509_free
);
556 int ssl_cert_set1_chain(CERT
*c
, STACK_OF(X509
) *chain
)
558 STACK_OF(X509
) *dchain
;
560 return ssl_cert_set0_chain(c
, NULL
);
561 dchain
= X509_chain_up_ref(chain
);
564 if (!ssl_cert_set0_chain(c
, dchain
))
566 sk_X509_pop_free(dchain
, X509_free
);
572 int ssl_cert_add0_chain_cert(CERT
*c
, X509
*x
)
574 CERT_PKEY
*cpk
= c
->key
;
578 cpk
->chain
= sk_X509_new_null();
579 if (!cpk
->chain
|| !sk_X509_push(cpk
->chain
, x
))
584 int ssl_cert_add1_chain_cert(CERT
*c
, X509
*x
)
586 if (!ssl_cert_add0_chain_cert(c
, x
))
588 CRYPTO_add(&x
->references
, 1, CRYPTO_LOCK_X509
);
592 void ssl_cert_set_cert_cb(CERT
*c
, int (*cb
)(SSL
*ssl
, void *arg
), void *arg
)
595 c
->cert_cb_arg
= arg
;
598 SESS_CERT
*ssl_sess_cert_new(void)
602 ret
= OPENSSL_malloc(sizeof *ret
);
605 SSLerr(SSL_F_SSL_SESS_CERT_NEW
, ERR_R_MALLOC_FAILURE
);
609 memset(ret
, 0 ,sizeof *ret
);
610 ret
->peer_key
= &(ret
->peer_pkeys
[SSL_PKEY_RSA_ENC
]);
616 void ssl_sess_cert_free(SESS_CERT
*sc
)
623 i
= CRYPTO_add(&sc
->references
, -1, CRYPTO_LOCK_SSL_SESS_CERT
);
625 REF_PRINT("SESS_CERT", sc
);
632 fprintf(stderr
,"ssl_sess_cert_free, bad reference count\n");
638 if (sc
->cert_chain
!= NULL
)
639 sk_X509_pop_free(sc
->cert_chain
, X509_free
);
640 for (i
= 0; i
< SSL_PKEY_NUM
; i
++)
642 if (sc
->peer_pkeys
[i
].x509
!= NULL
)
643 X509_free(sc
->peer_pkeys
[i
].x509
);
644 #if 0 /* We don't have the peer's private key. These lines are just
645 * here as a reminder that we're still using a not-quite-appropriate
647 if (sc
->peer_pkeys
[i
].privatekey
!= NULL
)
648 EVP_PKEY_free(sc
->peer_pkeys
[i
].privatekey
);
652 #ifndef OPENSSL_NO_RSA
653 if (sc
->peer_rsa_tmp
!= NULL
)
654 RSA_free(sc
->peer_rsa_tmp
);
656 #ifndef OPENSSL_NO_DH
657 if (sc
->peer_dh_tmp
!= NULL
)
658 DH_free(sc
->peer_dh_tmp
);
660 #ifndef OPENSSL_NO_ECDH
661 if (sc
->peer_ecdh_tmp
!= NULL
)
662 EC_KEY_free(sc
->peer_ecdh_tmp
);
668 int ssl_set_peer_cert_type(SESS_CERT
*sc
,int type
)
670 sc
->peer_cert_type
= type
;
674 int ssl_verify_cert_chain(SSL
*s
,STACK_OF(X509
) *sk
)
678 X509_STORE
*verify_store
;
681 if (s
->cert
->verify_store
)
682 verify_store
= s
->cert
->verify_store
;
684 verify_store
= s
->ctx
->cert_store
;
686 if ((sk
== NULL
) || (sk_X509_num(sk
) == 0))
689 x
=sk_X509_value(sk
,0);
690 if(!X509_STORE_CTX_init(&ctx
,verify_store
,x
,sk
))
692 SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN
,ERR_R_X509_LIB
);
695 /* Set suite B flags if needed */
696 X509_STORE_CTX_set_flags(&ctx
, tls1_suiteb(s
));
698 if (SSL_get_verify_depth(s
) >= 0)
699 X509_STORE_CTX_set_depth(&ctx
, SSL_get_verify_depth(s
));
701 X509_STORE_CTX_set_ex_data(&ctx
,SSL_get_ex_data_X509_STORE_CTX_idx(),s
);
703 /* We need to inherit the verify parameters. These can be determined by
704 * the context: if its a server it will verify SSL client certificates
708 X509_STORE_CTX_set_default(&ctx
,
709 s
->server
? "ssl_client" : "ssl_server");
710 /* Anything non-default in "param" should overwrite anything in the
713 X509_VERIFY_PARAM_set1(X509_STORE_CTX_get0_param(&ctx
), s
->param
);
715 if (s
->verify_callback
)
716 X509_STORE_CTX_set_verify_cb(&ctx
, s
->verify_callback
);
718 if (s
->ctx
->app_verify_callback
!= NULL
)
719 #if 1 /* new with OpenSSL 0.9.7 */
720 i
=s
->ctx
->app_verify_callback(&ctx
, s
->ctx
->app_verify_arg
);
722 i
=s
->ctx
->app_verify_callback(&ctx
); /* should pass app_verify_arg */
726 #ifndef OPENSSL_NO_X509_VERIFY
727 i
=X509_verify_cert(&ctx
);
730 ctx
.error
=X509_V_ERR_APPLICATION_VERIFICATION
;
731 SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN
,SSL_R_NO_VERIFY_CALLBACK
);
735 s
->verify_result
=ctx
.error
;
736 X509_STORE_CTX_cleanup(&ctx
);
741 static void set_client_CA_list(STACK_OF(X509_NAME
) **ca_list
,STACK_OF(X509_NAME
) *name_list
)
743 if (*ca_list
!= NULL
)
744 sk_X509_NAME_pop_free(*ca_list
,X509_NAME_free
);
749 STACK_OF(X509_NAME
) *SSL_dup_CA_list(STACK_OF(X509_NAME
) *sk
)
752 STACK_OF(X509_NAME
) *ret
;
755 ret
=sk_X509_NAME_new_null();
756 for (i
=0; i
<sk_X509_NAME_num(sk
); i
++)
758 name
=X509_NAME_dup(sk_X509_NAME_value(sk
,i
));
759 if ((name
== NULL
) || !sk_X509_NAME_push(ret
,name
))
761 sk_X509_NAME_pop_free(ret
,X509_NAME_free
);
768 void SSL_set_client_CA_list(SSL
*s
,STACK_OF(X509_NAME
) *name_list
)
770 set_client_CA_list(&(s
->client_CA
),name_list
);
773 void SSL_CTX_set_client_CA_list(SSL_CTX
*ctx
,STACK_OF(X509_NAME
) *name_list
)
775 set_client_CA_list(&(ctx
->client_CA
),name_list
);
778 STACK_OF(X509_NAME
) *SSL_CTX_get_client_CA_list(const SSL_CTX
*ctx
)
780 return(ctx
->client_CA
);
783 STACK_OF(X509_NAME
) *SSL_get_client_CA_list(const SSL
*s
)
785 if (s
->type
== SSL_ST_CONNECT
)
786 { /* we are in the client */
787 if (((s
->version
>>8) == SSL3_VERSION_MAJOR
) &&
789 return(s
->s3
->tmp
.ca_names
);
795 if (s
->client_CA
!= NULL
)
796 return(s
->client_CA
);
798 return(s
->ctx
->client_CA
);
802 static int add_client_CA(STACK_OF(X509_NAME
) **sk
,X509
*x
)
806 if (x
== NULL
) return(0);
807 if ((*sk
== NULL
) && ((*sk
=sk_X509_NAME_new_null()) == NULL
))
810 if ((name
=X509_NAME_dup(X509_get_subject_name(x
))) == NULL
)
813 if (!sk_X509_NAME_push(*sk
,name
))
815 X509_NAME_free(name
);
821 int SSL_add_client_CA(SSL
*ssl
,X509
*x
)
823 return(add_client_CA(&(ssl
->client_CA
),x
));
826 int SSL_CTX_add_client_CA(SSL_CTX
*ctx
,X509
*x
)
828 return(add_client_CA(&(ctx
->client_CA
),x
));
831 static int xname_cmp(const X509_NAME
* const *a
, const X509_NAME
* const *b
)
833 return(X509_NAME_cmp(*a
,*b
));
836 #ifndef OPENSSL_NO_STDIO
838 * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed;
839 * it doesn't really have anything to do with clients (except that a common use
840 * for a stack of CAs is to send it to the client). Actually, it doesn't have
841 * much to do with CAs, either, since it will load any old cert.
842 * \param file the file containing one or more certs.
843 * \return a ::STACK containing the certs.
845 STACK_OF(X509_NAME
) *SSL_load_client_CA_file(const char *file
)
850 STACK_OF(X509_NAME
) *ret
= NULL
,*sk
;
852 sk
=sk_X509_NAME_new(xname_cmp
);
854 in
=BIO_new(BIO_s_file_internal());
856 if ((sk
== NULL
) || (in
== NULL
))
858 SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE
,ERR_R_MALLOC_FAILURE
);
862 if (!BIO_read_filename(in
,file
))
867 if (PEM_read_bio_X509(in
,&x
,NULL
,NULL
) == NULL
)
871 ret
= sk_X509_NAME_new_null();
874 SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE
,ERR_R_MALLOC_FAILURE
);
878 if ((xn
=X509_get_subject_name(x
)) == NULL
) goto err
;
879 /* check for duplicates */
880 xn
=X509_NAME_dup(xn
);
881 if (xn
== NULL
) goto err
;
882 if (sk_X509_NAME_find(sk
,xn
) >= 0)
886 sk_X509_NAME_push(sk
,xn
);
887 sk_X509_NAME_push(ret
,xn
);
894 if (ret
!= NULL
) sk_X509_NAME_pop_free(ret
,X509_NAME_free
);
897 if (sk
!= NULL
) sk_X509_NAME_free(sk
);
898 if (in
!= NULL
) BIO_free(in
);
899 if (x
!= NULL
) X509_free(x
);
907 * Add a file of certs to a stack.
908 * \param stack the stack to add to.
909 * \param file the file to add from. All certs in this file that are not
910 * already in the stack will be added.
911 * \return 1 for success, 0 for failure. Note that in the case of failure some
912 * certs may have been added to \c stack.
915 int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME
) *stack
,
922 int (*oldcmp
)(const X509_NAME
* const *a
, const X509_NAME
* const *b
);
924 oldcmp
=sk_X509_NAME_set_cmp_func(stack
,xname_cmp
);
926 in
=BIO_new(BIO_s_file_internal());
930 SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK
,ERR_R_MALLOC_FAILURE
);
934 if (!BIO_read_filename(in
,file
))
939 if (PEM_read_bio_X509(in
,&x
,NULL
,NULL
) == NULL
)
941 if ((xn
=X509_get_subject_name(x
)) == NULL
) goto err
;
942 xn
=X509_NAME_dup(xn
);
943 if (xn
== NULL
) goto err
;
944 if (sk_X509_NAME_find(stack
,xn
) >= 0)
947 sk_X509_NAME_push(stack
,xn
);
962 (void)sk_X509_NAME_set_cmp_func(stack
,oldcmp
);
968 * Add a directory of certs to a stack.
969 * \param stack the stack to append to.
970 * \param dir the directory to append from. All files in this directory will be
971 * examined as potential certs. Any that are acceptable to
972 * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be
974 * \return 1 for success, 0 for failure. Note that in the case of failure some
975 * certs may have been added to \c stack.
978 int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME
) *stack
,
981 OPENSSL_DIR_CTX
*d
= NULL
;
982 const char *filename
;
985 CRYPTO_w_lock(CRYPTO_LOCK_READDIR
);
987 /* Note that a side effect is that the CAs will be sorted by name */
989 while((filename
= OPENSSL_DIR_read(&d
, dir
)))
994 if(strlen(dir
)+strlen(filename
)+2 > sizeof buf
)
996 SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK
,SSL_R_PATH_TOO_LONG
);
1000 #ifdef OPENSSL_SYS_VMS
1001 r
= BIO_snprintf(buf
,sizeof buf
,"%s%s",dir
,filename
);
1003 r
= BIO_snprintf(buf
,sizeof buf
,"%s/%s",dir
,filename
);
1005 if (r
<= 0 || r
>= (int)sizeof(buf
))
1007 if(!SSL_add_file_cert_subjects_to_stack(stack
,buf
))
1013 SYSerr(SYS_F_OPENDIR
, get_last_sys_error());
1014 ERR_add_error_data(3, "OPENSSL_DIR_read(&ctx, '", dir
, "')");
1015 SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK
, ERR_R_SYS_LIB
);
1022 if (d
) OPENSSL_DIR_end(&d
);
1023 CRYPTO_w_unlock(CRYPTO_LOCK_READDIR
);
1027 /* Add a certificate to a BUF_MEM structure */
1029 static int ssl_add_cert_to_buf(BUF_MEM
*buf
, unsigned long *l
, X509
*x
)
1035 if (!BUF_MEM_grow_clean(buf
,(int)(n
+(*l
)+3)))
1037 SSLerr(SSL_F_SSL_ADD_CERT_TO_BUF
,ERR_R_BUF_LIB
);
1040 p
=(unsigned char *)&(buf
->data
[*l
]);
1048 /* Add certificate chain to internal SSL BUF_MEM strcuture */
1049 int ssl_add_cert_chain(SSL
*s
, CERT_PKEY
*cpk
, unsigned long *l
)
1051 BUF_MEM
*buf
= s
->init_buf
;
1056 STACK_OF(X509
) *extra_certs
;
1057 X509_STORE
*chain_store
;
1064 if (s
->cert
->chain_store
)
1065 chain_store
= s
->cert
->chain_store
;
1067 chain_store
= s
->ctx
->cert_store
;
1069 /* If we have a certificate specific chain use it, else use
1072 if (cpk
&& cpk
->chain
)
1073 extra_certs
= cpk
->chain
;
1075 extra_certs
= s
->ctx
->extra_certs
;
1077 if ((s
->mode
& SSL_MODE_NO_AUTO_CHAIN
) || extra_certs
)
1082 /* TLSv1 sends a chain with nothing in it, instead of an alert */
1083 if (!BUF_MEM_grow_clean(buf
,10))
1085 SSLerr(SSL_F_SSL_ADD_CERT_CHAIN
,ERR_R_BUF_LIB
);
1092 if (!ssl_add_cert_to_buf(buf
, l
, x
))
1097 X509_STORE_CTX xs_ctx
;
1099 if (!X509_STORE_CTX_init(&xs_ctx
,chain_store
,x
,NULL
))
1101 SSLerr(SSL_F_SSL_ADD_CERT_CHAIN
,ERR_R_X509_LIB
);
1104 X509_verify_cert(&xs_ctx
);
1105 /* Don't leave errors in the queue */
1107 for (i
=0; i
< sk_X509_num(xs_ctx
.chain
); i
++)
1109 x
= sk_X509_value(xs_ctx
.chain
, i
);
1111 if (!ssl_add_cert_to_buf(buf
, l
, x
))
1113 X509_STORE_CTX_cleanup(&xs_ctx
);
1117 X509_STORE_CTX_cleanup(&xs_ctx
);
1120 for (i
=0; i
<sk_X509_num(extra_certs
); i
++)
1122 x
=sk_X509_value(extra_certs
,i
);
1123 if (!ssl_add_cert_to_buf(buf
, l
, x
))
1130 /* Build a certificate chain for current certificate */
1131 int ssl_build_cert_chain(CERT
*c
, X509_STORE
*chain_store
, int flags
)
1133 CERT_PKEY
*cpk
= c
->key
;
1134 X509_STORE_CTX xs_ctx
;
1135 STACK_OF(X509
) *chain
= NULL
, *untrusted
= NULL
;
1141 SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN
, SSL_R_NO_CERTIFICATE_SET
);
1146 chain_store
= c
->chain_store
;
1148 if (flags
& SSL_BUILD_CHAIN_FLAG_UNTRUSTED
)
1149 untrusted
= cpk
->chain
;
1151 if (!X509_STORE_CTX_init(&xs_ctx
, chain_store
, cpk
->x509
, untrusted
))
1153 SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN
, ERR_R_X509_LIB
);
1156 /* Set suite B flags if needed */
1157 X509_STORE_CTX_set_flags(&xs_ctx
, c
->cert_flags
& SSL_CERT_FLAG_SUITEB_128_LOS
);
1159 i
= X509_verify_cert(&xs_ctx
);
1161 chain
= X509_STORE_CTX_get1_chain(&xs_ctx
);
1162 X509_STORE_CTX_cleanup(&xs_ctx
);
1165 SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN
, SSL_R_CERTIFICATE_VERIFY_FAILED
);
1169 sk_X509_pop_free(cpk
->chain
, X509_free
);
1170 /* Remove EE certificate from chain */
1171 x
= sk_X509_shift(chain
);
1173 if (flags
& SSL_BUILD_CHAIN_FLAG_NO_ROOT
)
1175 x
= sk_X509_pop(chain
);
1183 int ssl_cert_set_cert_store(CERT
*c
, X509_STORE
*store
, int chain
, int ref
)
1185 X509_STORE
**pstore
;
1187 pstore
= &c
->chain_store
;
1189 pstore
= &c
->verify_store
;
1191 X509_STORE_free(*pstore
);
1194 CRYPTO_add(&store
->references
, 1, CRYPTO_LOCK_X509_STORE
);