1 /* crypto/x509/x509_vfy.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.]
64 #include <openssl/crypto.h>
65 #include <openssl/lhash.h>
66 #include <openssl/buffer.h>
67 #include <openssl/evp.h>
68 #include <openssl/asn1.h>
69 #include <openssl/x509.h>
70 #include <openssl/x509v3.h>
71 #include <openssl/objects.h>
73 static int null_callback(int ok
,X509_STORE_CTX
*e
);
74 static int check_issued(X509_STORE_CTX
*ctx
, X509
*x
, X509
*issuer
);
75 static X509
*find_issuer(X509_STORE_CTX
*ctx
, STACK_OF(X509
) *sk
, X509
*x
);
76 static int check_chain_purpose(X509_STORE_CTX
*ctx
);
77 static int check_trust(X509_STORE_CTX
*ctx
);
78 static int internal_verify(X509_STORE_CTX
*ctx
);
79 const char *X509_version
="X.509" OPENSSL_VERSION_PTEXT
;
81 static STACK_OF(CRYPTO_EX_DATA_FUNCS
) *x509_store_ctx_method
=NULL
;
82 static int x509_store_ctx_num
=0;
85 static int null_callback(int ok
, X509_STORE_CTX
*e
)
91 static int x509_subject_cmp(X509
**a
, X509
**b
)
93 return X509_subject_name_cmp(*a
,*b
);
97 int X509_verify_cert(X509_STORE_CTX
*ctx
)
99 X509
*x
,*xtmp
,*chain_ss
=NULL
;
104 STACK_OF(X509
) *sktmp
=NULL
;
106 if (ctx
->cert
== NULL
)
108 X509err(X509_F_X509_VERIFY_CERT
,X509_R_NO_CERT_SET_FOR_US_TO_VERIFY
);
113 if (cb
== NULL
) cb
=null_callback
;
115 /* first we make sure the chain we are going to build is
116 * present and that the first entry is in place */
117 if (ctx
->chain
== NULL
)
119 if ( ((ctx
->chain
=sk_X509_new_null()) == NULL
) ||
120 (!sk_X509_push(ctx
->chain
,ctx
->cert
)))
122 X509err(X509_F_X509_VERIFY_CERT
,ERR_R_MALLOC_FAILURE
);
125 CRYPTO_add(&ctx
->cert
->references
,1,CRYPTO_LOCK_X509
);
126 ctx
->last_untrusted
=1;
129 /* We use a temporary STACK so we can chop and hack at it */
130 if (ctx
->untrusted
!= NULL
131 && (sktmp
=sk_X509_dup(ctx
->untrusted
)) == NULL
)
133 X509err(X509_F_X509_VERIFY_CERT
,ERR_R_MALLOC_FAILURE
);
137 num
=sk_X509_num(ctx
->chain
);
138 x
=sk_X509_value(ctx
->chain
,num
-1);
144 /* If we have enough, we break */
145 if (depth
< num
) break; /* FIXME: If this happens, we should take
146 * note of it and, if appropriate, use the
147 * X509_V_ERR_CERT_CHAIN_TOO_LONG error
151 /* If we are self signed, we break */
152 xn
=X509_get_issuer_name(x
);
153 if (ctx
->check_issued(ctx
, x
,x
)) break;
155 /* If we were passed a cert chain, use it first */
156 if (ctx
->untrusted
!= NULL
)
158 xtmp
=find_issuer(ctx
, sktmp
,x
);
161 if (!sk_X509_push(ctx
->chain
,xtmp
))
163 X509err(X509_F_X509_VERIFY_CERT
,ERR_R_MALLOC_FAILURE
);
166 CRYPTO_add(&xtmp
->references
,1,CRYPTO_LOCK_X509
);
167 sk_X509_delete_ptr(sktmp
,xtmp
);
168 ctx
->last_untrusted
++;
171 /* reparse the full chain for
179 /* at this point, chain should contain a list of untrusted
180 * certificates. We now need to add at least one trusted one,
181 * if possible, otherwise we complain. */
183 /* Examine last certificate in chain and see if it
187 i
=sk_X509_num(ctx
->chain
);
188 x
=sk_X509_value(ctx
->chain
,i
-1);
189 xn
= X509_get_subject_name(x
);
190 if (ctx
->check_issued(ctx
, x
, x
))
192 /* we have a self signed certificate */
193 if (sk_X509_num(ctx
->chain
) == 1)
195 /* We have a single self signed certificate: see if
196 * we can find it in the store. We must have an exact
197 * match to avoid possible impersonation.
199 ok
= ctx
->get_issuer(&xtmp
, ctx
, x
);
200 if ((ok
<= 0) || X509_cmp(x
, xtmp
))
202 ctx
->error
=X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT
;
204 ctx
->error_depth
=i
-1;
205 if (ok
== 1) X509_free(xtmp
);
211 /* We have a match: replace certificate with store version
212 * so we get any trust settings.
216 sk_X509_set(ctx
->chain
, i
- 1, x
);
217 ctx
->last_untrusted
=0;
222 /* extract and save self signed certificate for later use */
223 chain_ss
=sk_X509_pop(ctx
->chain
);
224 ctx
->last_untrusted
--;
226 x
=sk_X509_value(ctx
->chain
,num
-1);
230 /* We now lookup certs from the certificate store */
233 /* If we have enough, we break */
234 if (depth
< num
) break;
236 /* If we are self signed, we break */
237 xn
=X509_get_issuer_name(x
);
238 if (ctx
->check_issued(ctx
,x
,x
)) break;
240 ok
= ctx
->get_issuer(&xtmp
, ctx
, x
);
242 if (ok
< 0) return ok
;
246 if (!sk_X509_push(ctx
->chain
,x
))
249 X509err(X509_F_X509_VERIFY_CERT
,ERR_R_MALLOC_FAILURE
);
255 /* we now have our chain, lets check it... */
256 xn
=X509_get_issuer_name(x
);
258 /* Is last certificate looked up self signed? */
259 if (!ctx
->check_issued(ctx
,x
,x
))
261 if ((chain_ss
== NULL
) || !ctx
->check_issued(ctx
, x
, chain_ss
))
263 if (ctx
->last_untrusted
>= num
)
264 ctx
->error
=X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY
;
266 ctx
->error
=X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
;
272 sk_X509_push(ctx
->chain
,chain_ss
);
274 ctx
->last_untrusted
=num
;
275 ctx
->current_cert
=chain_ss
;
276 ctx
->error
=X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN
;
280 ctx
->error_depth
=num
-1;
285 /* We have the chain complete: now we need to check its purpose */
286 if (ctx
->purpose
> 0) ok
= check_chain_purpose(ctx
);
290 /* The chain extensions are OK: check trust */
292 if (ctx
->trust
> 0) ok
= check_trust(ctx
);
296 /* We may as well copy down any DSA parameters that are required */
297 X509_get_pubkey_parameters(NULL
,ctx
->chain
);
299 /* At this point, we have a chain and just need to verify it */
300 if (ctx
->verify
!= NULL
)
303 ok
=internal_verify(ctx
);
307 X509_get_pubkey_parameters(NULL
,ctx
->chain
);
309 if (sktmp
!= NULL
) sk_X509_free(sktmp
);
310 if (chain_ss
!= NULL
) X509_free(chain_ss
);
315 /* Given a STACK_OF(X509) find the issuer of cert (if any)
318 static X509
*find_issuer(X509_STORE_CTX
*ctx
, STACK_OF(X509
) *sk
, X509
*x
)
322 for (i
= 0; i
< sk_X509_num(sk
); i
++)
324 issuer
= sk_X509_value(sk
, i
);
325 if (ctx
->check_issued(ctx
, x
, issuer
))
331 /* Given a possible certificate and issuer check them */
333 static int check_issued(X509_STORE_CTX
*ctx
, X509
*x
, X509
*issuer
)
336 ret
= X509_check_issued(issuer
, x
);
337 if (ret
== X509_V_OK
)
339 /* If we haven't asked for issuer errors don't set ctx */
340 if (!(ctx
->flags
& X509_V_FLAG_CB_ISSUER_CHECK
))
344 ctx
->current_cert
= x
;
345 ctx
->current_issuer
= issuer
;
347 return ctx
->verify_cb(0, ctx
);
351 /* Alternative lookup method: look from a STACK stored in other_ctx */
353 static int get_issuer_sk(X509
**issuer
, X509_STORE_CTX
*ctx
, X509
*x
)
355 *issuer
= find_issuer(ctx
, ctx
->other_ctx
, x
);
358 CRYPTO_add(&(*issuer
)->references
,1,CRYPTO_LOCK_X509
);
366 /* Check a certificate chains extensions for consistency
367 * with the supplied purpose
370 static int check_chain_purpose(X509_STORE_CTX
*ctx
)
372 #ifdef OPENSSL_NO_CHAIN_VERIFY
379 if (cb
== NULL
) cb
=null_callback
;
380 /* Check all untrusted certificates */
381 for (i
= 0; i
< ctx
->last_untrusted
; i
++)
383 x
= sk_X509_value(ctx
->chain
, i
);
384 if (!X509_check_purpose(x
, ctx
->purpose
, i
))
387 ctx
->error
= X509_V_ERR_INVALID_CA
;
389 ctx
->error
= X509_V_ERR_INVALID_PURPOSE
;
390 ctx
->error_depth
= i
;
391 ctx
->current_cert
= x
;
396 if ((i
> 1) && (x
->ex_pathlen
!= -1)
397 && (i
> (x
->ex_pathlen
+ 1)))
399 ctx
->error
= X509_V_ERR_PATH_LENGTH_EXCEEDED
;
400 ctx
->error_depth
= i
;
401 ctx
->current_cert
= x
;
412 static int check_trust(X509_STORE_CTX
*ctx
)
414 #ifdef OPENSSL_NO_CHAIN_VERIFY
421 if (cb
== NULL
) cb
=null_callback
;
422 /* For now just check the last certificate in the chain */
423 i
= sk_X509_num(ctx
->chain
) - 1;
424 x
= sk_X509_value(ctx
->chain
, i
);
425 ok
= X509_check_trust(x
, ctx
->trust
, 0);
426 if (ok
== X509_TRUST_TRUSTED
)
428 ctx
->error_depth
= sk_X509_num(ctx
->chain
) - 1;
429 ctx
->current_cert
= x
;
430 if (ok
== X509_TRUST_REJECTED
)
431 ctx
->error
= X509_V_ERR_CERT_REJECTED
;
433 ctx
->error
= X509_V_ERR_CERT_UNTRUSTED
;
439 static int internal_verify(X509_STORE_CTX
*ctx
)
448 if (cb
== NULL
) cb
=null_callback
;
450 n
=sk_X509_num(ctx
->chain
);
451 ctx
->error_depth
=n
-1;
453 xi
=sk_X509_value(ctx
->chain
,n
);
454 if (ctx
->flags
& X509_V_FLAG_USE_CHECK_TIME
)
455 ptime
= &ctx
->check_time
;
458 if (ctx
->check_issued(ctx
, xi
, xi
))
464 ctx
->error
=X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE
;
465 ctx
->current_cert
=xi
;
473 xs
=sk_X509_value(ctx
->chain
,n
);
477 /* ctx->error=0; not needed */
483 if ((pkey
=X509_get_pubkey(xi
)) == NULL
)
485 ctx
->error
=X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY
;
486 ctx
->current_cert
=xi
;
490 if (X509_verify(xs
,pkey
) <= 0)
491 /* XXX For the final trusted self-signed cert,
492 * this is a waste of time. That check should
493 * optional so that e.g. 'openssl x509' can be
494 * used to detect invalid self-signatures, but
495 * we don't verify again and again in SSL
496 * handshakes and the like once the cert has
497 * been declared trusted. */
499 ctx
->error
=X509_V_ERR_CERT_SIGNATURE_FAILURE
;
500 ctx
->current_cert
=xs
;
511 i
=X509_cmp_time(X509_get_notBefore(xs
), ptime
);
514 ctx
->error
=X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD
;
515 ctx
->current_cert
=xs
;
521 ctx
->error
=X509_V_ERR_CERT_NOT_YET_VALID
;
522 ctx
->current_cert
=xs
;
529 i
=X509_cmp_time(X509_get_notAfter(xs
), ptime
);
532 ctx
->error
=X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD
;
533 ctx
->current_cert
=xs
;
540 ctx
->error
=X509_V_ERR_CERT_HAS_EXPIRED
;
541 ctx
->current_cert
=xs
;
548 /* The last error (if any) is still in the error value */
549 ctx
->current_cert
=xs
;
557 xs
=sk_X509_value(ctx
->chain
,n
);
565 int X509_cmp_current_time(ASN1_TIME
*ctm
)
567 return X509_cmp_time(ctm
, NULL
);
570 int X509_cmp_time(ASN1_TIME
*ctm
, time_t *cmp_time
)
575 char buff1
[24],buff2
[24],*p
;
580 str
=(char *)ctm
->data
;
581 if (ctm
->type
== V_ASN1_UTCTIME
)
583 if ((i
< 11) || (i
> 17)) return 0;
590 if (i
< 13) return 0;
596 if ((*str
== 'Z') || (*str
== '-') || (*str
== '+'))
597 { *(p
++)='0'; *(p
++)='0'; }
602 /* Skip any fractional seconds... */
606 while ((*str
>= '0') && (*str
<= '9')) str
++;
617 if ((*str
!= '+') && (str
[5] != '-'))
619 offset
=((str
[1]-'0')*10+(str
[2]-'0'))*60;
620 offset
+=(str
[3]-'0')*10+(str
[4]-'0');
625 atm
.length
=sizeof(buff2
);
626 atm
.data
=(unsigned char *)buff2
;
628 X509_time_adj(&atm
,-offset
*60, cmp_time
);
630 if (ctm
->type
== V_ASN1_UTCTIME
)
632 i
=(buff1
[0]-'0')*10+(buff1
[1]-'0');
633 if (i
< 50) i
+=100; /* cf. RFC 2459 */
634 j
=(buff2
[0]-'0')*10+(buff2
[1]-'0');
637 if (i
< j
) return -1;
640 i
=strcmp(buff1
,buff2
);
641 if (i
== 0) /* wait a second then return younger :-) */
647 ASN1_TIME
*X509_gmtime_adj(ASN1_TIME
*s
, long adj
)
649 return X509_time_adj(s
, adj
, NULL
);
652 ASN1_TIME
*X509_time_adj(ASN1_TIME
*s
, long adj
, time_t *in_tm
)
657 if (in_tm
) t
= *in_tm
;
661 if (s
) type
= s
->type
;
662 if (type
== V_ASN1_UTCTIME
) return ASN1_UTCTIME_set(s
,t
);
663 if (type
== V_ASN1_GENERALIZEDTIME
) return ASN1_GENERALIZEDTIME_set(s
, t
);
664 return ASN1_TIME_set(s
, t
);
667 int X509_get_pubkey_parameters(EVP_PKEY
*pkey
, STACK_OF(X509
) *chain
)
669 EVP_PKEY
*ktmp
=NULL
,*ktmp2
;
672 if ((pkey
!= NULL
) && !EVP_PKEY_missing_parameters(pkey
)) return 1;
674 for (i
=0; i
<sk_X509_num(chain
); i
++)
676 ktmp
=X509_get_pubkey(sk_X509_value(chain
,i
));
679 X509err(X509_F_X509_GET_PUBKEY_PARAMETERS
,X509_R_UNABLE_TO_GET_CERTS_PUBLIC_KEY
);
682 if (!EVP_PKEY_missing_parameters(ktmp
))
692 X509err(X509_F_X509_GET_PUBKEY_PARAMETERS
,X509_R_UNABLE_TO_FIND_PARAMETERS_IN_CHAIN
);
696 /* first, populate the other certs */
697 for (j
=i
-1; j
>= 0; j
--)
699 ktmp2
=X509_get_pubkey(sk_X509_value(chain
,j
));
700 EVP_PKEY_copy_parameters(ktmp2
,ktmp
);
701 EVP_PKEY_free(ktmp2
);
704 if (pkey
!= NULL
) EVP_PKEY_copy_parameters(pkey
,ktmp
);
709 int X509_STORE_CTX_get_ex_new_index(long argl
, void *argp
, CRYPTO_EX_new
*new_func
,
710 CRYPTO_EX_dup
*dup_func
, CRYPTO_EX_free
*free_func
)
712 /* This function is (usually) called only once, by
713 * SSL_get_ex_data_X509_STORE_CTX_idx (ssl/ssl_cert.c).
714 * That function uses locking, so we don't (usually)
715 * have to worry about locking here. For the whole cruel
716 * truth, see crypto/ex_data.c */
717 x509_store_ctx_num
++;
718 return CRYPTO_get_ex_new_index(x509_store_ctx_num
-1,
719 &x509_store_ctx_method
,
720 argl
,argp
,new_func
,dup_func
,free_func
);
723 int X509_STORE_CTX_set_ex_data(X509_STORE_CTX
*ctx
, int idx
, void *data
)
725 return CRYPTO_set_ex_data(&ctx
->ex_data
,idx
,data
);
728 void *X509_STORE_CTX_get_ex_data(X509_STORE_CTX
*ctx
, int idx
)
730 return CRYPTO_get_ex_data(&ctx
->ex_data
,idx
);
733 int X509_STORE_CTX_get_error(X509_STORE_CTX
*ctx
)
738 void X509_STORE_CTX_set_error(X509_STORE_CTX
*ctx
, int err
)
743 int X509_STORE_CTX_get_error_depth(X509_STORE_CTX
*ctx
)
745 return ctx
->error_depth
;
748 X509
*X509_STORE_CTX_get_current_cert(X509_STORE_CTX
*ctx
)
750 return ctx
->current_cert
;
753 STACK_OF(X509
) *X509_STORE_CTX_get_chain(X509_STORE_CTX
*ctx
)
758 STACK_OF(X509
) *X509_STORE_CTX_get1_chain(X509_STORE_CTX
*ctx
)
762 STACK_OF(X509
) *chain
;
763 if (!ctx
->chain
|| !(chain
= sk_X509_dup(ctx
->chain
))) return NULL
;
764 for (i
= 0; i
< sk_X509_num(chain
); i
++)
766 x
= sk_X509_value(chain
, i
);
767 CRYPTO_add(&x
->references
, 1, CRYPTO_LOCK_X509
);
772 void X509_STORE_CTX_set_cert(X509_STORE_CTX
*ctx
, X509
*x
)
777 void X509_STORE_CTX_set_chain(X509_STORE_CTX
*ctx
, STACK_OF(X509
) *sk
)
782 int X509_STORE_CTX_set_purpose(X509_STORE_CTX
*ctx
, int purpose
)
784 return X509_STORE_CTX_purpose_inherit(ctx
, 0, purpose
, 0);
787 int X509_STORE_CTX_set_trust(X509_STORE_CTX
*ctx
, int trust
)
789 return X509_STORE_CTX_purpose_inherit(ctx
, 0, 0, trust
);
792 /* This function is used to set the X509_STORE_CTX purpose and trust
793 * values. This is intended to be used when another structure has its
794 * own trust and purpose values which (if set) will be inherited by
795 * the ctx. If they aren't set then we will usually have a default
796 * purpose in mind which should then be used to set the trust value.
797 * An example of this is SSL use: an SSL structure will have its own
798 * purpose and trust settings which the application can set: if they
799 * aren't set then we use the default of SSL client/server.
802 int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX
*ctx
, int def_purpose
,
803 int purpose
, int trust
)
806 /* If purpose not set use default */
807 if (!purpose
) purpose
= def_purpose
;
808 /* If we have a purpose then check it is valid */
812 idx
= X509_PURPOSE_get_by_id(purpose
);
815 X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT
,
816 X509_R_UNKNOWN_PURPOSE_ID
);
819 ptmp
= X509_PURPOSE_get0(idx
);
820 if (ptmp
->trust
== X509_TRUST_DEFAULT
)
822 idx
= X509_PURPOSE_get_by_id(def_purpose
);
825 X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT
,
826 X509_R_UNKNOWN_PURPOSE_ID
);
829 ptmp
= X509_PURPOSE_get0(idx
);
831 /* If trust not set then get from purpose default */
832 if (!trust
) trust
= ptmp
->trust
;
836 idx
= X509_TRUST_get_by_id(trust
);
839 X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT
,
840 X509_R_UNKNOWN_TRUST_ID
);
845 if (purpose
) ctx
->purpose
= purpose
;
846 if (trust
) ctx
->trust
= trust
;
850 X509_STORE_CTX
*X509_STORE_CTX_new(void)
853 ctx
= (X509_STORE_CTX
*)OPENSSL_malloc(sizeof(X509_STORE_CTX
));
854 if (ctx
) memset(ctx
, 0, sizeof(X509_STORE_CTX
));
858 void X509_STORE_CTX_free(X509_STORE_CTX
*ctx
)
860 X509_STORE_CTX_cleanup(ctx
);
864 void X509_STORE_CTX_init(X509_STORE_CTX
*ctx
, X509_STORE
*store
, X509
*x509
,
865 STACK_OF(X509
) *chain
)
868 ctx
->current_method
=0;
870 ctx
->untrusted
=chain
;
871 ctx
->last_untrusted
=0;
882 ctx
->current_cert
=NULL
;
883 ctx
->current_issuer
=NULL
;
884 ctx
->check_issued
= check_issued
;
885 ctx
->get_issuer
= X509_STORE_CTX_get1_issuer
;
886 ctx
->verify_cb
= store
->verify_cb
;
887 ctx
->verify
= store
->verify
;
889 memset(&(ctx
->ex_data
),0,sizeof(CRYPTO_EX_DATA
));
892 /* Set alternative lookup method: just a STACK of trusted certificates.
893 * This avoids X509_STORE nastiness where it isn't needed.
896 void X509_STORE_CTX_trusted_stack(X509_STORE_CTX
*ctx
, STACK_OF(X509
) *sk
)
899 ctx
->get_issuer
= get_issuer_sk
;
902 void X509_STORE_CTX_cleanup(X509_STORE_CTX
*ctx
)
904 if (ctx
->cleanup
) ctx
->cleanup(ctx
);
905 if (ctx
->chain
!= NULL
)
907 sk_X509_pop_free(ctx
->chain
,X509_free
);
910 CRYPTO_free_ex_data(x509_store_ctx_method
,ctx
,&(ctx
->ex_data
));
911 memset(&ctx
->ex_data
,0,sizeof(CRYPTO_EX_DATA
));
914 void X509_STORE_CTX_set_flags(X509_STORE_CTX
*ctx
, long flags
)
919 void X509_STORE_CTX_set_time(X509_STORE_CTX
*ctx
, long flags
, time_t t
)
922 ctx
->flags
|= X509_V_FLAG_USE_CHECK_TIME
;
925 IMPLEMENT_STACK_OF(X509
)
926 IMPLEMENT_ASN1_SET_OF(X509
)
928 IMPLEMENT_STACK_OF(X509_NAME
)
930 IMPLEMENT_STACK_OF(X509_ATTRIBUTE
)
931 IMPLEMENT_ASN1_SET_OF(X509_ATTRIBUTE
)