1c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* crypto/x509/x509_vfy.c */ 2c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * All rights reserved. 4c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 5c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * This package is an SSL implementation written 6c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * by Eric Young (eay@cryptsoft.com). 7c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * The implementation was written so as to conform with Netscapes SSL. 8c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 9c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * This library is free for commercial and non-commercial use as long as 10c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * the following conditions are aheared to. The following conditions 11c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * apply to all code found in this distribution, be it the RC4, RSA, 12c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * included with this distribution is covered by the same copyright terms 14c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 16c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Copyright remains Eric Young's, and as such any Copyright notices in 17c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * the code are not to be removed. 18c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * If this package is used in a product, Eric Young should be given attribution 19c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * as the author of the parts of the library used. 20c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * This can be in the form of a textual message at program startup or 21c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * in documentation (online or textual) provided with the package. 22c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 23c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Redistribution and use in source and binary forms, with or without 24c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * modification, are permitted provided that the following conditions 25c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * are met: 26c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 1. Redistributions of source code must retain the copyright 27c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * notice, this list of conditions and the following disclaimer. 28c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 2. Redistributions in binary form must reproduce the above copyright 29c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * notice, this list of conditions and the following disclaimer in the 30c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * documentation and/or other materials provided with the distribution. 31c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 3. All advertising materials mentioning features or use of this software 32c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * must display the following acknowledgement: 33c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * "This product includes cryptographic software written by 34c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Eric Young (eay@cryptsoft.com)" 35c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * The word 'cryptographic' can be left out if the rouines from the library 36c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * being used are not cryptographic related :-). 37c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 4. If you include any Windows specific code (or a derivative thereof) from 38c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * the apps directory (application code) you must include an acknowledgement: 39c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 41c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * SUCH DAMAGE. 52c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 53c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * The licence and distribution terms for any publically available version or 54c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * derivative of this code cannot be changed. i.e. this code cannot simply be 55c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * copied and put under another distribution licence 56c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * [including the GNU Public Licence.] 57c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 58c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 59c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <stdio.h> 60c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <time.h> 61c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <errno.h> 62c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 63c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include "cryptlib.h" 64c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/crypto.h> 65c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/lhash.h> 66c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/buffer.h> 67c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/evp.h> 68c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/asn1.h> 69c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/x509.h> 70c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/x509v3.h> 71c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/objects.h> 72c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 73480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* CRL score values */ 74480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 75480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* No unhandled critical extensions */ 76480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 77480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org#define CRL_SCORE_NOCRITICAL 0x100 78480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 79480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* certificate is within CRL scope */ 80480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 81480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org#define CRL_SCORE_SCOPE 0x080 82480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 83480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* CRL times valid */ 84480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 85480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org#define CRL_SCORE_TIME 0x040 86480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 87480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* Issuer name matches certificate */ 88480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 89480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org#define CRL_SCORE_ISSUER_NAME 0x020 90480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 91480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* If this score or above CRL is probably valid */ 92480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 93480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org#define CRL_SCORE_VALID (CRL_SCORE_NOCRITICAL|CRL_SCORE_TIME|CRL_SCORE_SCOPE) 94480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 95480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* CRL issuer is certificate issuer */ 96480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 97480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org#define CRL_SCORE_ISSUER_CERT 0x018 98480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 99480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* CRL issuer is on certificate path */ 100480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 101480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org#define CRL_SCORE_SAME_PATH 0x008 102480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 103480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* CRL issuer matches CRL AKID */ 104480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 105480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org#define CRL_SCORE_AKID 0x004 106480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 107480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* Have a delta CRL with valid times */ 108480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 109480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org#define CRL_SCORE_TIME_DELTA 0x002 110480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 111c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int null_callback(int ok,X509_STORE_CTX *e); 112c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_issued(X509_STORE_CTX *ctx, X509 *x, X509 *issuer); 113c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic X509 *find_issuer(X509_STORE_CTX *ctx, STACK_OF(X509) *sk, X509 *x); 114c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_chain_extensions(X509_STORE_CTX *ctx); 115480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int check_name_constraints(X509_STORE_CTX *ctx); 116c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_trust(X509_STORE_CTX *ctx); 117c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_revocation(X509_STORE_CTX *ctx); 118c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_cert(X509_STORE_CTX *ctx); 119c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_policy(X509_STORE_CTX *ctx); 120480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 121480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int get_crl_score(X509_STORE_CTX *ctx, X509 **pissuer, 122480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org unsigned int *preasons, 123480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL *crl, X509 *x); 124480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int get_crl_delta(X509_STORE_CTX *ctx, 125480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL **pcrl, X509_CRL **pdcrl, X509 *x); 126480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic void get_delta_sk(X509_STORE_CTX *ctx, X509_CRL **dcrl, int *pcrl_score, 127480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL *base, STACK_OF(X509_CRL) *crls); 128480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic void crl_akid_check(X509_STORE_CTX *ctx, X509_CRL *crl, 129480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509 **pissuer, int *pcrl_score); 130480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int crl_crldp_check(X509 *x, X509_CRL *crl, int crl_score, 131480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org unsigned int *preasons); 132480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int check_crl_path(X509_STORE_CTX *ctx, X509 *x); 133480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int check_crl_chain(X509_STORE_CTX *ctx, 134480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org STACK_OF(X509) *cert_path, 135480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org STACK_OF(X509) *crl_path); 136480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 137c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int internal_verify(X509_STORE_CTX *ctx); 138c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgconst char X509_version[]="X.509" OPENSSL_VERSION_PTEXT; 139c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 140c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 141c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int null_callback(int ok, X509_STORE_CTX *e) 142c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 143c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ok; 144c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 145c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 146c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#if 0 147c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int x509_subject_cmp(X509 **a, X509 **b) 148c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 149c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return X509_subject_name_cmp(*a,*b); 150c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 151c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 152c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 153c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_verify_cert(X509_STORE_CTX *ctx) 154c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 155c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509 *x,*xtmp,*chain_ss=NULL; 156c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int bad_chain = 0; 157c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_VERIFY_PARAM *param = ctx->param; 158c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int depth,i,ok=0; 159c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int num; 160c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int (*cb)(int xok,X509_STORE_CTX *xctx); 161c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org STACK_OF(X509) *sktmp=NULL; 162c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->cert == NULL) 163c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 164c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_X509_VERIFY_CERT,X509_R_NO_CERT_SET_FOR_US_TO_VERIFY); 165c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return -1; 166c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 167c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 168c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org cb=ctx->verify_cb; 169c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 170c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* first we make sure the chain we are going to build is 171c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * present and that the first entry is in place */ 172c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->chain == NULL) 173c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 174c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ( ((ctx->chain=sk_X509_new_null()) == NULL) || 175c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org (!sk_X509_push(ctx->chain,ctx->cert))) 176c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 177c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE); 178c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto end; 179c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 180c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org CRYPTO_add(&ctx->cert->references,1,CRYPTO_LOCK_X509); 181c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->last_untrusted=1; 182c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 183c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 184c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* We use a temporary STACK so we can chop and hack at it */ 185c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->untrusted != NULL 186c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org && (sktmp=sk_X509_dup(ctx->untrusted)) == NULL) 187c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 188c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE); 189c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto end; 190c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 191c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 192c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org num=sk_X509_num(ctx->chain); 193c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x=sk_X509_value(ctx->chain,num-1); 194c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org depth=param->depth; 195c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 196c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 197c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for (;;) 198c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 199c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* If we have enough, we break */ 200c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (depth < num) break; /* FIXME: If this happens, we should take 201c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * note of it and, if appropriate, use the 202c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * X509_V_ERR_CERT_CHAIN_TOO_LONG error 203c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * code later. 204c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 205c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 206c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* If we are self signed, we break */ 207c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->check_issued(ctx, x,x)) break; 208c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 209c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* If we were passed a cert chain, use it first */ 210c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->untrusted != NULL) 211c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 212c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org xtmp=find_issuer(ctx, sktmp,x); 213c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (xtmp != NULL) 214c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 215c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!sk_X509_push(ctx->chain,xtmp)) 216c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 217c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE); 218c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto end; 219c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 220c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org CRYPTO_add(&xtmp->references,1,CRYPTO_LOCK_X509); 221c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org (void)sk_X509_delete_ptr(sktmp,xtmp); 222c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->last_untrusted++; 223c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x=xtmp; 224c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org num++; 225c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* reparse the full chain for 226c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * the next one */ 227c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org continue; 228c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 229c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 230c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 231c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 232c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 233c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* at this point, chain should contain a list of untrusted 234c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * certificates. We now need to add at least one trusted one, 235c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * if possible, otherwise we complain. */ 236c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 237c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Examine last certificate in chain and see if it 238c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * is self signed. 239c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 240c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 241c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org i=sk_X509_num(ctx->chain); 242c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x=sk_X509_value(ctx->chain,i-1); 243c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->check_issued(ctx, x, x)) 244c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 245c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* we have a self signed certificate */ 246c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (sk_X509_num(ctx->chain) == 1) 247c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 248c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* We have a single self signed certificate: see if 249c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * we can find it in the store. We must have an exact 250c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * match to avoid possible impersonation. 251c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 252c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = ctx->get_issuer(&xtmp, ctx, x); 253c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((ok <= 0) || X509_cmp(x, xtmp)) 254c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 255c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT; 256c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert=x; 257c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error_depth=i-1; 258c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ok == 1) X509_free(xtmp); 259c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org bad_chain = 1; 260c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=cb(0,ctx); 261c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto end; 262c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 263c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 264c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 265c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* We have a match: replace certificate with store version 266c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * so we get any trust settings. 267c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 268c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_free(x); 269c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x = xtmp; 270c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org (void)sk_X509_set(ctx->chain, i - 1, x); 271c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->last_untrusted=0; 272c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 273c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 274c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 275c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 276c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* extract and save self signed certificate for later use */ 277c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org chain_ss=sk_X509_pop(ctx->chain); 278c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->last_untrusted--; 279c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org num--; 280c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x=sk_X509_value(ctx->chain,num-1); 281c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 282c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 283c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 284c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* We now lookup certs from the certificate store */ 285c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for (;;) 286c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 287c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* If we have enough, we break */ 288c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (depth < num) break; 289c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 290c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* If we are self signed, we break */ 291c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->check_issued(ctx,x,x)) break; 292c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 293c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = ctx->get_issuer(&xtmp, ctx, x); 294c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 295c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ok < 0) return ok; 296c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ok == 0) break; 297c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 298c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x = xtmp; 299c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!sk_X509_push(ctx->chain,x)) 300c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 301c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_free(xtmp); 302c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE); 303c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 304c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 305c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org num++; 306c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 307c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 308c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* we now have our chain, lets check it... */ 309c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 310c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Is last certificate looked up self signed? */ 311c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ctx->check_issued(ctx,x,x)) 312c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 313c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((chain_ss == NULL) || !ctx->check_issued(ctx, x, chain_ss)) 314c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 315c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->last_untrusted >= num) 316c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY; 317c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 318c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT; 319c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert=x; 320c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 321c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 322c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 323c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 324c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_X509_push(ctx->chain,chain_ss); 325c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org num++; 326c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->last_untrusted=num; 327c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert=chain_ss; 328c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN; 329c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org chain_ss=NULL; 330c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 331c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 332c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error_depth=num-1; 333c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org bad_chain = 1; 334c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=cb(0,ctx); 335c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto end; 336c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 337c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 338c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* We have the chain complete: now we need to check its purpose */ 339c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = check_chain_extensions(ctx); 340c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 341c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto end; 342c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 343480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Check name constraints */ 344480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 345480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = check_name_constraints(ctx); 346480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 347480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!ok) goto end; 348480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 349c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* The chain extensions are OK: check trust */ 350c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 351c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (param->trust > 0) ok = check_trust(ctx); 352c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 353c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto end; 354c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 355c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* We may as well copy down any DSA parameters that are required */ 356c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_get_pubkey_parameters(NULL,ctx->chain); 357c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 358c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Check revocation status: we do this after copying parameters 359c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * because they may be needed for CRL signature verification. 360c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 361c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 362c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = ctx->check_revocation(ctx); 363c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!ok) goto end; 364c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 365c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* At this point, we have a chain and need to verify it */ 366c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->verify != NULL) 367c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=ctx->verify(ctx); 368c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 369c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=internal_verify(ctx); 370c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!ok) goto end; 371c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 372c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifndef OPENSSL_NO_RFC3779 373c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* RFC 3779 path validation, now that CRL check has been done */ 374c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = v3_asid_validate_path(ctx); 375c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto end; 376c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = v3_addr_validate_path(ctx); 377c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto end; 378c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 379c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 380c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* If we get this far evaluate policies */ 381c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!bad_chain && (ctx->param->flags & X509_V_FLAG_POLICY_CHECK)) 382c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = ctx->check_policy(ctx); 383c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!ok) goto end; 384c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (0) 385c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 386c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgend: 387c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_get_pubkey_parameters(NULL,ctx->chain); 388c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 389c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (sktmp != NULL) sk_X509_free(sktmp); 390c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (chain_ss != NULL) X509_free(chain_ss); 391c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ok; 392c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 393c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 394c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 395c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Given a STACK_OF(X509) find the issuer of cert (if any) 396c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 397c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 398c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic X509 *find_issuer(X509_STORE_CTX *ctx, STACK_OF(X509) *sk, X509 *x) 399c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 400c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int i; 401c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509 *issuer; 402c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for (i = 0; i < sk_X509_num(sk); i++) 403c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 404c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org issuer = sk_X509_value(sk, i); 405c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->check_issued(ctx, x, issuer)) 406c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return issuer; 407c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 408c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 409c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 410c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 411c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Given a possible certificate and issuer check them */ 412c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 413c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_issued(X509_STORE_CTX *ctx, X509 *x, X509 *issuer) 414c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 415c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int ret; 416c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret = X509_check_issued(issuer, x); 417c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ret == X509_V_OK) 418c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 419c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* If we haven't asked for issuer errors don't set ctx */ 420c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!(ctx->param->flags & X509_V_FLAG_CB_ISSUER_CHECK)) 421c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 422c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 423c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = ret; 424c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert = x; 425c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_issuer = issuer; 426c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ctx->verify_cb(0, ctx); 427c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 428c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 429c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 430c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Alternative lookup method: look from a STACK stored in other_ctx */ 431c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 432c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int get_issuer_sk(X509 **issuer, X509_STORE_CTX *ctx, X509 *x) 433c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 434c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *issuer = find_issuer(ctx, ctx->other_ctx, x); 435c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (*issuer) 436c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 437c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org CRYPTO_add(&(*issuer)->references,1,CRYPTO_LOCK_X509); 438c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 439c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 440c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 441c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 442c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 443c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 444c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 445c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Check a certificate chains extensions for consistency 446c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * with the supplied purpose 447c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 448c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 449c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_chain_extensions(X509_STORE_CTX *ctx) 450c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 451c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifdef OPENSSL_NO_CHAIN_VERIFY 452c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 453c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#else 454c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int i, ok=0, must_be_ca, plen = 0; 455c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509 *x; 456c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int (*cb)(int xok,X509_STORE_CTX *xctx); 457c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int proxy_path_length = 0; 458480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int purpose; 459480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int allow_proxy_certs; 460c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org cb=ctx->verify_cb; 461c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 462c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* must_be_ca can have 1 of 3 values: 463c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org -1: we accept both CA and non-CA certificates, to allow direct 464c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org use of self-signed certificates (which are marked as CA). 465c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 0: we only accept non-CA certificates. This is currently not 466c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org used, but the possibility is present for future extensions. 467c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1: we only accept CA certificates. This is currently used for 468c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org all certificates in the chain except the leaf certificate. 469c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 470c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org must_be_ca = -1; 471c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 472480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* CRL path validation */ 473480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (ctx->parent) 474480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 475480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org allow_proxy_certs = 0; 476480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org purpose = X509_PURPOSE_CRL_SIGN; 477480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 478480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else 479480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 480480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org allow_proxy_certs = 481480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org !!(ctx->param->flags & X509_V_FLAG_ALLOW_PROXY_CERTS); 482480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* A hack to keep people who don't want to modify their 483480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org software happy */ 484480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (getenv("OPENSSL_ALLOW_PROXY_CERTS")) 485480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org allow_proxy_certs = 1; 486480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org purpose = ctx->param->purpose; 487480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 488c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 489c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Check all untrusted certificates */ 490c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for (i = 0; i < ctx->last_untrusted; i++) 491c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 492c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int ret; 493c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x = sk_X509_value(ctx->chain, i); 494c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!(ctx->param->flags & X509_V_FLAG_IGNORE_CRITICAL) 495c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org && (x->ex_flags & EXFLAG_CRITICAL)) 496c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 497c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION; 498c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error_depth = i; 499c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert = x; 500c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=cb(0,ctx); 501c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto end; 502c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 503c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!allow_proxy_certs && (x->ex_flags & EXFLAG_PROXY)) 504c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 505c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED; 506c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error_depth = i; 507c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert = x; 508c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=cb(0,ctx); 509c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto end; 510c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 511c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret = X509_check_ca(x); 512c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org switch(must_be_ca) 513c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 514c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case -1: 515c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((ctx->param->flags & X509_V_FLAG_X509_STRICT) 516c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org && (ret != 1) && (ret != 0)) 517c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 518c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret = 0; 519c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = X509_V_ERR_INVALID_CA; 520c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 521c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 522c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret = 1; 523c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 524c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case 0: 525c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ret != 0) 526c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 527c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret = 0; 528c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = X509_V_ERR_INVALID_NON_CA; 529c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 530c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 531c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret = 1; 532c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 533c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org default: 534c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((ret == 0) 535c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org || ((ctx->param->flags & X509_V_FLAG_X509_STRICT) 536c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org && (ret != 1))) 537c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 538c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret = 0; 539c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = X509_V_ERR_INVALID_CA; 540c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 541c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 542c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret = 1; 543c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 544c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 545c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ret == 0) 546c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 547c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error_depth = i; 548c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert = x; 549c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=cb(0,ctx); 550c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto end; 551c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 552c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->param->purpose > 0) 553c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 554480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ret = X509_check_purpose(x, purpose, must_be_ca > 0); 555c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((ret == 0) 556c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org || ((ctx->param->flags & X509_V_FLAG_X509_STRICT) 557c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org && (ret != 1))) 558c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 559c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = X509_V_ERR_INVALID_PURPOSE; 560c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error_depth = i; 561c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert = x; 562c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=cb(0,ctx); 563c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto end; 564c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 565c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 566c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Check pathlen if not self issued */ 567c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((i > 1) && !(x->ex_flags & EXFLAG_SI) 568c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org && (x->ex_pathlen != -1) 569c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org && (plen > (x->ex_pathlen + proxy_path_length + 1))) 570c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 571c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = X509_V_ERR_PATH_LENGTH_EXCEEDED; 572c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error_depth = i; 573c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert = x; 574c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=cb(0,ctx); 575c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto end; 576c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 577c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Increment path length if not self issued */ 578c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!(x->ex_flags & EXFLAG_SI)) 579c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org plen++; 580c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* If this certificate is a proxy certificate, the next 581c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org certificate must be another proxy certificate or a EE 582c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org certificate. If not, the next certificate must be a 583c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org CA certificate. */ 584c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (x->ex_flags & EXFLAG_PROXY) 585c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 586c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (x->ex_pcpathlen != -1 && i > x->ex_pcpathlen) 587c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 588c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = 589c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED; 590c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error_depth = i; 591c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert = x; 592c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=cb(0,ctx); 593c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto end; 594c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 595c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org proxy_path_length++; 596c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org must_be_ca = 0; 597c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 598c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 599c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org must_be_ca = 1; 600c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 601c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = 1; 602c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org end: 603c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ok; 604c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 605c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 606c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 607480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int check_name_constraints(X509_STORE_CTX *ctx) 608480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 609480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509 *x; 610480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int i, j, rv; 611480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Check name constraints for all certificates */ 612480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org for (i = sk_X509_num(ctx->chain) - 1; i >= 0; i--) 613480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 614480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org x = sk_X509_value(ctx->chain, i); 615480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Ignore self issued certs unless last in chain */ 616480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (i && (x->ex_flags & EXFLAG_SI)) 617480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org continue; 618480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Check against constraints for all certificates higher in 619480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * chain including trust anchor. Trust anchor not strictly 620480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * speaking needed but if it includes constraints it is to be 621480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * assumed it expects them to be obeyed. 622480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org */ 623480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org for (j = sk_X509_num(ctx->chain) - 1; j > i; j--) 624480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 625480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org NAME_CONSTRAINTS *nc = sk_X509_value(ctx->chain, j)->nc; 626480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (nc) 627480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 628480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org rv = NAME_CONSTRAINTS_check(x, nc); 629480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (rv != X509_V_OK) 630480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 631480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->error = rv; 632480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->error_depth = i; 633480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->current_cert = x; 634480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!ctx->verify_cb(0,ctx)) 635480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 636480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 637480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 638480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 639480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 640480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 641480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 642480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 643c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_trust(X509_STORE_CTX *ctx) 644c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 645c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifdef OPENSSL_NO_CHAIN_VERIFY 646c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 647c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#else 648c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int i, ok; 649c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509 *x; 650c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int (*cb)(int xok,X509_STORE_CTX *xctx); 651c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org cb=ctx->verify_cb; 652c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* For now just check the last certificate in the chain */ 653c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org i = sk_X509_num(ctx->chain) - 1; 654c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x = sk_X509_value(ctx->chain, i); 655c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = X509_check_trust(x, ctx->param->trust, 0); 656c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ok == X509_TRUST_TRUSTED) 657c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 658c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error_depth = i; 659c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert = x; 660c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ok == X509_TRUST_REJECTED) 661c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = X509_V_ERR_CERT_REJECTED; 662c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 663c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = X509_V_ERR_CERT_UNTRUSTED; 664c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = cb(0, ctx); 665c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ok; 666c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 667c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 668c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 669c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_revocation(X509_STORE_CTX *ctx) 670c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 671c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int i, last, ok; 672c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!(ctx->param->flags & X509_V_FLAG_CRL_CHECK)) 673c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 674c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->param->flags & X509_V_FLAG_CRL_CHECK_ALL) 675c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org last = sk_X509_num(ctx->chain) - 1; 676c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 677480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 678480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* If checking CRL paths this isn't the EE certificate */ 679480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (ctx->parent) 680480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 681c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org last = 0; 682480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 683c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for(i = 0; i <= last; i++) 684c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 685c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error_depth = i; 686c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = check_cert(ctx); 687c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) return ok; 688c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 689c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 690c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 691c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 692c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_cert(X509_STORE_CTX *ctx) 693c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 694480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL *crl = NULL, *dcrl = NULL; 695c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509 *x; 696c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int ok, cnum; 697c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org cnum = ctx->error_depth; 698c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x = sk_X509_value(ctx->chain, cnum); 699c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert = x; 700480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->current_issuer = NULL; 701480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->current_crl_score = 0; 702480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->current_reasons = 0; 703480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org while (ctx->current_reasons != CRLDP_ALL_REASONS) 704c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 705480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Try to retrieve relevant CRL */ 706480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (ctx->get_crl) 707480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = ctx->get_crl(ctx, &crl, x); 708480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else 709480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = get_crl_delta(ctx, &crl, &dcrl, x); 710480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* If error looking up CRL, nothing we can do except 711480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * notify callback 712480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org */ 713480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if(!ok) 714480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 715480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL; 716480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = ctx->verify_cb(0, ctx); 717480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org goto err; 718480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 719480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->current_crl = crl; 720480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = ctx->check_crl(ctx, crl); 721480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!ok) 722480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org goto err; 723480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 724480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (dcrl) 725480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 726480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = ctx->check_crl(ctx, dcrl); 727480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!ok) 728480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org goto err; 729480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = ctx->cert_crl(ctx, dcrl, x); 730480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!ok) 731480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org goto err; 732480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 733480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else 734480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = 1; 735480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 736480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Don't look in full CRL if delta reason is removefromCRL */ 737480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (ok != 2) 738480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 739480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = ctx->cert_crl(ctx, crl, x); 740480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!ok) 741480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org goto err; 742480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 743480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 744480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL_free(crl); 745480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL_free(dcrl); 746480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org crl = NULL; 747480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org dcrl = NULL; 748c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 749c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org err: 750c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_CRL_free(crl); 751480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL_free(dcrl); 752480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 753480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->current_crl = NULL; 754c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ok; 755c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 756c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 757c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 758c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Check CRL times against values in X509_STORE_CTX */ 759c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 760c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_crl_time(X509_STORE_CTX *ctx, X509_CRL *crl, int notify) 761c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 762c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org time_t *ptime; 763c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int i; 764480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (notify) 765480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->current_crl = crl; 766c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->param->flags & X509_V_FLAG_USE_CHECK_TIME) 767c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ptime = &ctx->param->check_time; 768c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 769c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ptime = NULL; 770c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 771c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org i=X509_cmp_time(X509_CRL_get_lastUpdate(crl), ptime); 772c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i == 0) 773c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 774480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!notify) 775480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 776c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD; 777480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!ctx->verify_cb(0, ctx)) 778c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 779c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 780c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 781c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i > 0) 782c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 783480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!notify) 784480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 785c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_CRL_NOT_YET_VALID; 786480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!ctx->verify_cb(0, ctx)) 787c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 788c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 789c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 790c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(X509_CRL_get_nextUpdate(crl)) 791c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 792c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org i=X509_cmp_time(X509_CRL_get_nextUpdate(crl), ptime); 793c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 794c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i == 0) 795c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 796480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!notify) 797480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 798c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD; 799480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!ctx->verify_cb(0, ctx)) 800c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 801c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 802480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Ignore expiry of base CRL is delta is valid */ 803480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if ((i < 0) && !(ctx->current_crl_score & CRL_SCORE_TIME_DELTA)) 804c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 805480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!notify) 806480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 807c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_CRL_HAS_EXPIRED; 808480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!ctx->verify_cb(0, ctx)) 809c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 810c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 811c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 812c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 813480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (notify) 814480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->current_crl = NULL; 815c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 816c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 817c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 818c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 819480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int get_crl_sk(X509_STORE_CTX *ctx, X509_CRL **pcrl, X509_CRL **pdcrl, 820480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509 **pissuer, int *pscore, unsigned int *preasons, 821480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org STACK_OF(X509_CRL) *crls) 822c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 823480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int i, crl_score, best_score = *pscore; 824480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org unsigned int reasons, best_reasons = 0; 825480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509 *x = ctx->current_cert; 826c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_CRL *crl, *best_crl = NULL; 827480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509 *crl_issuer = NULL, *best_crl_issuer = NULL; 828480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 829c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for (i = 0; i < sk_X509_CRL_num(crls); i++) 830c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 831c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org crl = sk_X509_CRL_value(crls, i); 832480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org reasons = *preasons; 833480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org crl_score = get_crl_score(ctx, &crl_issuer, &reasons, crl, x); 834480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 835480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (crl_score > best_score) 836c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 837480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org best_crl = crl; 838480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org best_crl_issuer = crl_issuer; 839480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org best_score = crl_score; 840480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org best_reasons = reasons; 841c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 842c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 843480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 844c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (best_crl) 845c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 846480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (*pcrl) 847480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL_free(*pcrl); 848c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *pcrl = best_crl; 849480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *pissuer = best_crl_issuer; 850480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *pscore = best_score; 851480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *preasons = best_reasons; 852480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org CRYPTO_add(&best_crl->references, 1, CRYPTO_LOCK_X509_CRL); 853480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (*pdcrl) 854480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 855480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL_free(*pdcrl); 856480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *pdcrl = NULL; 857480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 858480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org get_delta_sk(ctx, pdcrl, pscore, best_crl, crls); 859c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 860480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 861480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (best_score >= CRL_SCORE_VALID) 862480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 863480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 864c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 865c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 866c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 867480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* Compare two CRL extensions for delta checking purposes. They should be 868480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * both present or both absent. If both present all fields must be identical. 869c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 870480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 871480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int crl_extension_match(X509_CRL *a, X509_CRL *b, int nid) 872c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 873480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ASN1_OCTET_STRING *exta, *extb; 874480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int i; 8757453c6c0666947e06d87565404f4397a4b387f91digit@chromium.org i = X509_CRL_get_ext_by_NID(a, nid, -1); 876480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (i >= 0) 877c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 878480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Can't have multiple occurrences */ 879480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (X509_CRL_get_ext_by_NID(a, nid, i) != -1) 880480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 881480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org exta = X509_EXTENSION_get_data(X509_CRL_get_ext(a, i)); 882480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 883480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else 884480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org exta = NULL; 885480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 8867453c6c0666947e06d87565404f4397a4b387f91digit@chromium.org i = X509_CRL_get_ext_by_NID(b, nid, -1); 887480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 888480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (i >= 0) 889480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 890480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 891480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (X509_CRL_get_ext_by_NID(b, nid, i) != -1) 892480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 893480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org extb = X509_EXTENSION_get_data(X509_CRL_get_ext(b, i)); 894480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 895480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else 896480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org extb = NULL; 897480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 898480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!exta && !extb) 899c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 900480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 901480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!exta || !extb) 902480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 903480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 904480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 905480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (ASN1_OCTET_STRING_cmp(exta, extb)) 906480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 907480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 908480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 909480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 910480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 911480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* See if a base and delta are compatible */ 912480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 913480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int check_delta_base(X509_CRL *delta, X509_CRL *base) 914480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 915480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Delta CRL must be a delta */ 916480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!delta->base_crl_number) 917480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 918480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Base must have a CRL number */ 919480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!base->crl_number) 920480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 921480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Issuer names must match */ 922480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (X509_NAME_cmp(X509_CRL_get_issuer(base), 923480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL_get_issuer(delta))) 924480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 925480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* AKID and IDP must match */ 926480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!crl_extension_match(delta, base, NID_authority_key_identifier)) 927480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 928480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!crl_extension_match(delta, base, NID_issuing_distribution_point)) 929480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 930480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Delta CRL base number must not exceed Full CRL number. */ 931480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (ASN1_INTEGER_cmp(delta->base_crl_number, base->crl_number) > 0) 932480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 933480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Delta CRL number must exceed full CRL number */ 934480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (ASN1_INTEGER_cmp(delta->crl_number, base->crl_number) > 0) 935480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 936480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 937480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 938480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 939480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* For a given base CRL find a delta... maybe extend to delta scoring 940480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * or retrieve a chain of deltas... 941480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org */ 942480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 943480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic void get_delta_sk(X509_STORE_CTX *ctx, X509_CRL **dcrl, int *pscore, 944480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL *base, STACK_OF(X509_CRL) *crls) 945480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 946480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL *delta; 947480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int i; 948480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!(ctx->param->flags & X509_V_FLAG_USE_DELTAS)) 949480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return; 950480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!((ctx->current_cert->ex_flags | base->flags) & EXFLAG_FRESHEST)) 951480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return; 952480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org for (i = 0; i < sk_X509_CRL_num(crls); i++) 953480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 954480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org delta = sk_X509_CRL_value(crls, i); 955480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (check_delta_base(delta, base)) 956480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 957480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (check_crl_time(ctx, delta, 0)) 958480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *pscore |= CRL_SCORE_TIME_DELTA; 959480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org CRYPTO_add(&delta->references, 1, CRYPTO_LOCK_X509_CRL); 960480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *dcrl = delta; 961480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return; 962480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 963480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 964480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *dcrl = NULL; 965480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 966480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 967480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* For a given CRL return how suitable it is for the supplied certificate 'x'. 968480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * The return value is a mask of several criteria. 969480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * If the issuer is not the certificate issuer this is returned in *pissuer. 970480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * The reasons mask is also used to determine if the CRL is suitable: if 971480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * no new reasons the CRL is rejected, otherwise reasons is updated. 972480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org */ 973480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 974480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int get_crl_score(X509_STORE_CTX *ctx, X509 **pissuer, 975480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org unsigned int *preasons, 976480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL *crl, X509 *x) 977480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 978480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 979480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int crl_score = 0; 980480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org unsigned int tmp_reasons = *preasons, crl_reasons; 981480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 982480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* First see if we can reject CRL straight away */ 983480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 984480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Invalid IDP cannot be processed */ 985480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (crl->idp_flags & IDP_INVALID) 986480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 987480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Reason codes or indirect CRLs need extended CRL support */ 988480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!(ctx->param->flags & X509_V_FLAG_EXTENDED_CRL_SUPPORT)) 989480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 990480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (crl->idp_flags & (IDP_INDIRECT | IDP_REASONS)) 991480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 992480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 993480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else if (crl->idp_flags & IDP_REASONS) 994480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 995480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* If no new reasons reject */ 996480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!(crl->idp_reasons & ~tmp_reasons)) 997480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 998480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 999480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Don't process deltas at this stage */ 1000480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else if (crl->base_crl_number) 1001480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1002480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* If issuer name doesn't match certificate need indirect CRL */ 1003480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (X509_NAME_cmp(X509_get_issuer_name(x), X509_CRL_get_issuer(crl))) 1004480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1005480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!(crl->idp_flags & IDP_INDIRECT)) 1006480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1007480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1008480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else 1009480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org crl_score |= CRL_SCORE_ISSUER_NAME; 1010480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1011480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!(crl->flags & EXFLAG_CRITICAL)) 1012480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org crl_score |= CRL_SCORE_NOCRITICAL; 1013480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1014480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Check expiry */ 1015480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (check_crl_time(ctx, crl, 0)) 1016480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org crl_score |= CRL_SCORE_TIME; 1017480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1018480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Check authority key ID and locate certificate issuer */ 1019480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org crl_akid_check(ctx, crl, pissuer, &crl_score); 1020480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1021480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* If we can't locate certificate issuer at this point forget it */ 1022480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1023480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!(crl_score & CRL_SCORE_AKID)) 1024480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1025480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1026480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Check cert for matching CRL distribution points */ 1027480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1028480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (crl_crldp_check(x, crl, crl_score, &crl_reasons)) 1029480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1030480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* If no new reasons reject */ 1031480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!(crl_reasons & ~tmp_reasons)) 1032480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1033480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org tmp_reasons |= crl_reasons; 1034480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org crl_score |= CRL_SCORE_SCOPE; 1035c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1036c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1037480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *preasons = tmp_reasons; 1038480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1039480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return crl_score; 1040480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1041480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1042c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1043480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic void crl_akid_check(X509_STORE_CTX *ctx, X509_CRL *crl, 1044480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509 **pissuer, int *pcrl_score) 1045480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1046480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509 *crl_issuer = NULL; 1047480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_NAME *cnm = X509_CRL_get_issuer(crl); 1048480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int cidx = ctx->error_depth; 1049480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int i; 1050480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1051480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (cidx != sk_X509_num(ctx->chain) - 1) 1052480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org cidx++; 1053480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1054480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org crl_issuer = sk_X509_value(ctx->chain, cidx); 1055480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1056480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK) 1057c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1058480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (*pcrl_score & CRL_SCORE_ISSUER_NAME) 1059c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1060480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *pcrl_score |= CRL_SCORE_AKID|CRL_SCORE_ISSUER_CERT; 1061480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *pissuer = crl_issuer; 1062480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return; 1063480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1064480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1065480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1066480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org for (cidx++; cidx < sk_X509_num(ctx->chain); cidx++) 1067480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1068480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org crl_issuer = sk_X509_value(ctx->chain, cidx); 1069480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm)) 1070480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org continue; 1071480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK) 1072480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1073480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *pcrl_score |= CRL_SCORE_AKID|CRL_SCORE_SAME_PATH; 1074480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *pissuer = crl_issuer; 1075480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return; 1076480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1077480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1078480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1079480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Anything else needs extended CRL support */ 1080480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1081480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!(ctx->param->flags & X509_V_FLAG_EXTENDED_CRL_SUPPORT)) 1082480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return; 1083480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1084480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Otherwise the CRL issuer is not on the path. Look for it in the 1085480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * set of untrusted certificates. 1086480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org */ 1087480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org for (i = 0; i < sk_X509_num(ctx->untrusted); i++) 1088480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1089480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org crl_issuer = sk_X509_value(ctx->untrusted, i); 1090480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm)) 1091480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org continue; 1092480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK) 1093480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1094480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *pissuer = crl_issuer; 1095480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *pcrl_score |= CRL_SCORE_AKID; 1096480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return; 1097480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1098480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1099480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1100480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1101480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* Check the path of a CRL issuer certificate. This creates a new 1102480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * X509_STORE_CTX and populates it with most of the parameters from the 1103480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * parent. This could be optimised somewhat since a lot of path checking 1104480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * will be duplicated by the parent, but this will rarely be used in 1105480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * practice. 1106480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org */ 1107480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1108480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int check_crl_path(X509_STORE_CTX *ctx, X509 *x) 1109480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1110480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_STORE_CTX crl_ctx; 1111480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int ret; 1112480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Don't allow recursive CRL path validation */ 1113480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (ctx->parent) 1114480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1115480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!X509_STORE_CTX_init(&crl_ctx, ctx->ctx, x, ctx->untrusted)) 1116480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return -1; 1117480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1118480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org crl_ctx.crls = ctx->crls; 1119480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Copy verify params across */ 1120480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_STORE_CTX_set0_param(&crl_ctx, ctx->param); 1121480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1122480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org crl_ctx.parent = ctx; 1123480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org crl_ctx.verify_cb = ctx->verify_cb; 1124480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1125480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Verify CRL issuer */ 1126480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ret = X509_verify_cert(&crl_ctx); 1127480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1128480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (ret <= 0) 1129480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org goto err; 1130480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1131480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Check chain is acceptable */ 1132480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1133480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ret = check_crl_chain(ctx, ctx->chain, crl_ctx.chain); 1134480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org err: 1135480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_STORE_CTX_cleanup(&crl_ctx); 1136480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return ret; 1137480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1138480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1139480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* RFC3280 says nothing about the relationship between CRL path 1140480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * and certificate path, which could lead to situations where a 1141480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * certificate could be revoked or validated by a CA not authorised 1142480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * to do so. RFC5280 is more strict and states that the two paths must 1143480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * end in the same trust anchor, though some discussions remain... 1144480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * until this is resolved we use the RFC5280 version 1145480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org */ 1146480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1147480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int check_crl_chain(X509_STORE_CTX *ctx, 1148480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org STACK_OF(X509) *cert_path, 1149480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org STACK_OF(X509) *crl_path) 1150480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1151480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509 *cert_ta, *crl_ta; 1152480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org cert_ta = sk_X509_value(cert_path, sk_X509_num(cert_path) - 1); 1153480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org crl_ta = sk_X509_value(crl_path, sk_X509_num(crl_path) - 1); 1154480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!X509_cmp(cert_ta, crl_ta)) 1155480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 1156480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1157480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1158480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1159480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* Check for match between two dist point names: three separate cases. 1160480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * 1. Both are relative names and compare X509_NAME types. 1161480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * 2. One full, one relative. Compare X509_NAME to GENERAL_NAMES. 1162480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * 3. Both are full names and compare two GENERAL_NAMES. 1163480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * 4. One is NULL: automatic match. 1164480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org */ 1165480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1166480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1167480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int idp_check_dp(DIST_POINT_NAME *a, DIST_POINT_NAME *b) 1168480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1169480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_NAME *nm = NULL; 1170480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org GENERAL_NAMES *gens = NULL; 1171480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org GENERAL_NAME *gena, *genb; 1172480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int i, j; 1173480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!a || !b) 1174480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 1175480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (a->type == 1) 1176480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1177480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!a->dpname) 1178480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1179480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Case 1: two X509_NAME */ 1180480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (b->type == 1) 1181480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1182480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!b->dpname) 1183480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1184480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!X509_NAME_cmp(a->dpname, b->dpname)) 1185480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 1186480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else 1187480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1188480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1189480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Case 2: set name and GENERAL_NAMES appropriately */ 1190480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org nm = a->dpname; 1191480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org gens = b->name.fullname; 1192480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1193480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else if (b->type == 1) 1194480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1195480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!b->dpname) 1196480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1197480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Case 2: set name and GENERAL_NAMES appropriately */ 1198480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org gens = a->name.fullname; 1199480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org nm = b->dpname; 1200480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1201480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1202480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Handle case 2 with one GENERAL_NAMES and one X509_NAME */ 1203480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (nm) 1204480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1205480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) 1206480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1207480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org gena = sk_GENERAL_NAME_value(gens, i); 1208480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (gena->type != GEN_DIRNAME) 1209480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org continue; 1210480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!X509_NAME_cmp(nm, gena->d.directoryName)) 1211480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 1212c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1213c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 1214c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1215c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1216480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Else case 3: two GENERAL_NAMES */ 1217480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1218480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org for (i = 0; i < sk_GENERAL_NAME_num(a->name.fullname); i++) 1219480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1220480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org gena = sk_GENERAL_NAME_value(a->name.fullname, i); 1221480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org for (j = 0; j < sk_GENERAL_NAME_num(b->name.fullname); j++) 1222480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1223480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org genb = sk_GENERAL_NAME_value(b->name.fullname, j); 1224480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!GENERAL_NAME_cmp(gena, genb)) 1225480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 1226480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1227480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1228480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1229480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1230480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1231480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1232480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1233480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int crldp_check_crlissuer(DIST_POINT *dp, X509_CRL *crl, int crl_score) 1234480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1235480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int i; 1236480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_NAME *nm = X509_CRL_get_issuer(crl); 1237480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* If no CRLissuer return is successful iff don't need a match */ 1238480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!dp->CRLissuer) 1239480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return !!(crl_score & CRL_SCORE_ISSUER_NAME); 1240480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org for (i = 0; i < sk_GENERAL_NAME_num(dp->CRLissuer); i++) 1241480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1242480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org GENERAL_NAME *gen = sk_GENERAL_NAME_value(dp->CRLissuer, i); 1243480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (gen->type != GEN_DIRNAME) 1244480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org continue; 1245480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!X509_NAME_cmp(gen->d.directoryName, nm)) 1246480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 1247480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1248480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1249480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1250480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1251480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* Check CRLDP and IDP */ 1252480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1253480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int crl_crldp_check(X509 *x, X509_CRL *crl, int crl_score, 1254480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org unsigned int *preasons) 1255480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1256480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int i; 1257480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (crl->idp_flags & IDP_ONLYATTR) 1258480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1259480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (x->ex_flags & EXFLAG_CA) 1260480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1261480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (crl->idp_flags & IDP_ONLYUSER) 1262480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1263480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1264480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else 1265480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1266480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (crl->idp_flags & IDP_ONLYCA) 1267480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1268480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1269480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *preasons = crl->idp_reasons; 1270480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org for (i = 0; i < sk_DIST_POINT_num(x->crldp); i++) 1271480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1272480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org DIST_POINT *dp = sk_DIST_POINT_value(x->crldp, i); 1273480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (crldp_check_crlissuer(dp, crl, crl_score)) 1274480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1275480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!crl->idp || 1276480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org idp_check_dp(dp->distpoint, crl->idp->distpoint)) 1277480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1278480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *preasons &= dp->dp_reasons; 1279480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 1280480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1281480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1282480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1283480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if ((!crl->idp || !crl->idp->distpoint) && (crl_score & CRL_SCORE_ISSUER_NAME)) 1284480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 1285480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1286480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1287480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1288480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* Retrieve CRL corresponding to current certificate. 1289480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * If deltas enabled try to find a delta CRL too 1290480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org */ 1291480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1292480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int get_crl_delta(X509_STORE_CTX *ctx, 1293480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL **pcrl, X509_CRL **pdcrl, X509 *x) 1294480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1295480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int ok; 1296480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509 *issuer = NULL; 1297480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int crl_score = 0; 1298480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org unsigned int reasons; 1299480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_CRL *crl = NULL, *dcrl = NULL; 1300480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org STACK_OF(X509_CRL) *skcrl; 1301480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_NAME *nm = X509_get_issuer_name(x); 1302480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org reasons = ctx->current_reasons; 1303480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = get_crl_sk(ctx, &crl, &dcrl, 1304480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org &issuer, &crl_score, &reasons, ctx->crls); 1305480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1306480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (ok) 1307480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org goto done; 1308480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1309480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Lookup CRLs from store */ 1310480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1311480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org skcrl = ctx->lookup_crls(ctx, nm); 1312480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1313480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* If no CRLs found and a near match from get_crl_sk use that */ 1314480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!skcrl && crl) 1315480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org goto done; 1316480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1317480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org get_crl_sk(ctx, &crl, &dcrl, &issuer, &crl_score, &reasons, skcrl); 1318480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1319480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org sk_X509_CRL_pop_free(skcrl, X509_CRL_free); 1320480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1321480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org done: 1322480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1323480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* If we got any kind of CRL use it and return success */ 1324c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (crl) 1325480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1326480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->current_issuer = issuer; 1327480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->current_crl_score = crl_score; 1328480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->current_reasons = reasons; 1329480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *pcrl = crl; 1330480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org *pdcrl = dcrl; 1331480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 1332480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1333480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1334480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1335c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1336c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1337c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Check CRL validity */ 1338c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_crl(X509_STORE_CTX *ctx, X509_CRL *crl) 1339c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1340c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509 *issuer = NULL; 1341c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org EVP_PKEY *ikey = NULL; 1342c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int ok = 0, chnum, cnum; 1343c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org cnum = ctx->error_depth; 1344c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org chnum = sk_X509_num(ctx->chain) - 1; 1345480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* if we have an alternative CRL issuer cert use that */ 1346480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (ctx->current_issuer) 1347480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org issuer = ctx->current_issuer; 1348480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1349480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Else find CRL issuer: if not last certificate then issuer 1350c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * is next certificate in chain. 1351c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 1352480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else if (cnum < chnum) 1353c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org issuer = sk_X509_value(ctx->chain, cnum + 1); 1354c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 1355c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1356c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org issuer = sk_X509_value(ctx->chain, chnum); 1357c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* If not self signed, can't check signature */ 1358c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!ctx->check_issued(ctx, issuer, issuer)) 1359c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1360c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER; 1361c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = ctx->verify_cb(0, ctx); 1362c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!ok) goto err; 1363c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1364c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1365c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1366c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(issuer) 1367c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1368480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Skip most tests for deltas because they have already 1369480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * been done 1370480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org */ 1371480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!crl->base_crl_number) 1372c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1373480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Check for cRLSign bit if keyUsage present */ 1374480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if ((issuer->ex_flags & EXFLAG_KUSAGE) && 1375480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org !(issuer->ex_kusage & KU_CRL_SIGN)) 1376480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1377480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->error = X509_V_ERR_KEYUSAGE_NO_CRL_SIGN; 1378480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = ctx->verify_cb(0, ctx); 1379480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if(!ok) goto err; 1380480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1381480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1382480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!(ctx->current_crl_score & CRL_SCORE_SCOPE)) 1383480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1384480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->error = X509_V_ERR_DIFFERENT_CRL_SCOPE; 1385480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = ctx->verify_cb(0, ctx); 1386480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if(!ok) goto err; 1387480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1388480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1389480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!(ctx->current_crl_score & CRL_SCORE_SAME_PATH)) 1390480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1391480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (check_crl_path(ctx, ctx->current_issuer) <= 0) 1392480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1393480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->error = X509_V_ERR_CRL_PATH_VALIDATION_ERROR; 1394480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = ctx->verify_cb(0, ctx); 1395480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if(!ok) goto err; 1396480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1397480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1398480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1399480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (crl->idp_flags & IDP_INVALID) 1400480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1401480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->error = X509_V_ERR_INVALID_EXTENSION; 1402480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = ctx->verify_cb(0, ctx); 1403480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if(!ok) goto err; 1404480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1405480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1406480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1407480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1408480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1409480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!(ctx->current_crl_score & CRL_SCORE_TIME)) 1410480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1411480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = check_crl_time(ctx, crl, 1); 1412480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!ok) 1413480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org goto err; 1414c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1415c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1416c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Attempt to get issuer certificate public key */ 1417c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ikey = X509_get_pubkey(issuer); 1418c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1419c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!ikey) 1420c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1421c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY; 1422c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = ctx->verify_cb(0, ctx); 1423c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto err; 1424c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1425c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 1426c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1427c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Verify CRL signature */ 1428c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(X509_CRL_verify(crl, ikey) <= 0) 1429c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1430c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_CRL_SIGNATURE_FAILURE; 1431c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = ctx->verify_cb(0, ctx); 1432c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto err; 1433c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1434c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1435c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1436c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1437c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = 1; 1438c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1439c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org err: 1440c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org EVP_PKEY_free(ikey); 1441c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ok; 1442c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1443c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1444c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Check certificate against CRL */ 1445c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int cert_crl(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x) 1446c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1447480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int ok; 1448480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_REVOKED *rev; 1449480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* The rules changed for this... previously if a CRL contained 1450480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * unhandled critical extensions it could still be used to indicate 1451480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * a certificate was revoked. This has since been changed since 1452480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * critical extension can change the meaning of CRL entries. 1453480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org */ 1454480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (crl->flags & EXFLAG_CRITICAL) 1455c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1456480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (ctx->param->flags & X509_V_FLAG_IGNORE_CRITICAL) 1457480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 1458480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->error = X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION; 1459480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ok = ctx->verify_cb(0, ctx); 1460480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if(!ok) 1461480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1462c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1463480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Look for serial number of certificate in CRL 1464480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * If found make sure reason is not removeFromCRL. 1465c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 1466480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (X509_CRL_get0_by_cert(crl, &rev, x)) 1467c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1468480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (rev->reason == CRL_REASON_REMOVE_FROM_CRL) 1469480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 2; 1470c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = X509_V_ERR_CERT_REVOKED; 1471c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = ctx->verify_cb(0, ctx); 1472480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!ok) 1473480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1474c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1475c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1476c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 1477c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1478c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1479c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_policy(X509_STORE_CTX *ctx) 1480c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1481c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int ret; 1482480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (ctx->parent) 1483480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 1484c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret = X509_policy_check(&ctx->tree, &ctx->explicit_policy, ctx->chain, 1485c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->param->policies, ctx->param->flags); 1486c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ret == 0) 1487c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1488c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_CHECK_POLICY,ERR_R_MALLOC_FAILURE); 1489c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 1490c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1491c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Invalid or inconsistent extensions */ 1492c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ret == -1) 1493c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1494c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Locate certificates with bad extensions and notify 1495c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * callback. 1496c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 1497c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509 *x; 1498c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int i; 1499c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for (i = 1; i < sk_X509_num(ctx->chain); i++) 1500c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1501c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x = sk_X509_value(ctx->chain, i); 1502c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!(x->ex_flags & EXFLAG_INVALID_POLICY)) 1503c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org continue; 1504c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert = x; 1505c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = X509_V_ERR_INVALID_POLICY_EXTENSION; 1506480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if(!ctx->verify_cb(0, ctx)) 1507480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 1508c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1509c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 1510c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1511c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ret == -2) 1512c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1513c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert = NULL; 1514c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = X509_V_ERR_NO_EXPLICIT_POLICY; 1515c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ctx->verify_cb(0, ctx); 1516c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1517c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1518c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->param->flags & X509_V_FLAG_NOTIFY_POLICY) 1519c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1520c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert = NULL; 1521c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error = X509_V_OK; 1522c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ctx->verify_cb(2, ctx)) 1523c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 1524c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1525c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1526c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 1527c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1528c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1529c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int check_cert_time(X509_STORE_CTX *ctx, X509 *x) 1530c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1531c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org time_t *ptime; 1532c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int i; 1533c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1534c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->param->flags & X509_V_FLAG_USE_CHECK_TIME) 1535c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ptime = &ctx->param->check_time; 1536c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 1537c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ptime = NULL; 1538c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1539c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org i=X509_cmp_time(X509_get_notBefore(x), ptime); 1540c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i == 0) 1541c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1542c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD; 1543c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert=x; 1544c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ctx->verify_cb(0, ctx)) 1545c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 1546c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1547c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1548c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i > 0) 1549c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1550c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_CERT_NOT_YET_VALID; 1551c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert=x; 1552c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ctx->verify_cb(0, ctx)) 1553c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 1554c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1555c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1556c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org i=X509_cmp_time(X509_get_notAfter(x), ptime); 1557c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i == 0) 1558c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1559c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD; 1560c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert=x; 1561c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ctx->verify_cb(0, ctx)) 1562c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 1563c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1564c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1565c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i < 0) 1566c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1567c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_CERT_HAS_EXPIRED; 1568c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert=x; 1569c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ctx->verify_cb(0, ctx)) 1570c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 1571c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1572c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1573c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 1574c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1575c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1576c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int internal_verify(X509_STORE_CTX *ctx) 1577c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1578c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int ok=0,n; 1579c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509 *xs,*xi; 1580c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org EVP_PKEY *pkey=NULL; 1581c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int (*cb)(int xok,X509_STORE_CTX *xctx); 1582c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1583c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org cb=ctx->verify_cb; 1584c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1585c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org n=sk_X509_num(ctx->chain); 1586c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error_depth=n-1; 1587c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org n--; 1588c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org xi=sk_X509_value(ctx->chain,n); 1589c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1590c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->check_issued(ctx, xi, xi)) 1591c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org xs=xi; 1592c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 1593c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1594c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (n <= 0) 1595c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1596c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE; 1597c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert=xi; 1598c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=cb(0,ctx); 1599c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto end; 1600c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1601c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 1602c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1603c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org n--; 1604c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error_depth=n; 1605c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org xs=sk_X509_value(ctx->chain,n); 1606c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1607c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1608c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1609c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* ctx->error=0; not needed */ 1610c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org while (n >= 0) 1611c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1612c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error_depth=n; 1613c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1614c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Skip signature check for self signed certificates unless 1615c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * explicitly asked for. It doesn't add any security and 1616c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * just wastes time. 1617c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 1618c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!xs->valid && (xs != xi || (ctx->param->flags & X509_V_FLAG_CHECK_SS_SIGNATURE))) 1619c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1620c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((pkey=X509_get_pubkey(xi)) == NULL) 1621c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1622c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY; 1623c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert=xi; 1624c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=(*cb)(0,ctx); 1625c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto end; 1626c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1627c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else if (X509_verify(xs,pkey) <= 0) 1628c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1629c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=X509_V_ERR_CERT_SIGNATURE_FAILURE; 1630c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert=xs; 1631c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=(*cb)(0,ctx); 1632c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) 1633c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1634c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org EVP_PKEY_free(pkey); 1635c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto end; 1636c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1637c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1638c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org EVP_PKEY_free(pkey); 1639c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org pkey=NULL; 1640c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1641c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1642c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org xs->valid = 1; 1643c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1644c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok = check_cert_time(ctx, xs); 1645c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) 1646c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto end; 1647c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1648c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* The last error (if any) is still in the error value */ 1649c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_issuer=xi; 1650c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert=xs; 1651c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=(*cb)(1,ctx); 1652c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ok) goto end; 1653c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1654c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org n--; 1655c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (n >= 0) 1656c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1657c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org xi=xs; 1658c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org xs=sk_X509_value(ctx->chain,n); 1659c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1660c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1661c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ok=1; 1662c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgend: 1663c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ok; 1664c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1665c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1666480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgint X509_cmp_current_time(const ASN1_TIME *ctm) 1667c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 1668c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return X509_cmp_time(ctm, NULL); 1669c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 1670c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1671480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgint X509_cmp_time(const ASN1_TIME *ctm, time_t *cmp_time) 1672c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1673c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char *str; 1674c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_TIME atm; 1675c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org long offset; 1676c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char buff1[24],buff2[24],*p; 1677c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int i,j; 1678c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1679c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org p=buff1; 1680c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org i=ctm->length; 1681c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org str=(char *)ctm->data; 1682c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctm->type == V_ASN1_UTCTIME) 1683c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1684c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((i < 11) || (i > 17)) return 0; 1685c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org memcpy(p,str,10); 1686c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org p+=10; 1687c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org str+=10; 1688c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1689c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 1690c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1691c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i < 13) return 0; 1692c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org memcpy(p,str,12); 1693c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org p+=12; 1694c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org str+=12; 1695c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1696c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1697c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((*str == 'Z') || (*str == '-') || (*str == '+')) 1698c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { *(p++)='0'; *(p++)='0'; } 1699c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 1700c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1701c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *(p++)= *(str++); 1702c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *(p++)= *(str++); 1703c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Skip any fractional seconds... */ 1704c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (*str == '.') 1705c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1706c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org str++; 1707c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org while ((*str >= '0') && (*str <= '9')) str++; 1708c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1709c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1710c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1711c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *(p++)='Z'; 1712c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *(p++)='\0'; 1713c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1714c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (*str == 'Z') 1715c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org offset=0; 1716c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 1717c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1718c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((*str != '+') && (*str != '-')) 1719c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 1720c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org offset=((str[1]-'0')*10+(str[2]-'0'))*60; 1721c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org offset+=(str[3]-'0')*10+(str[4]-'0'); 1722c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (*str == '-') 1723c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org offset= -offset; 1724c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1725c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org atm.type=ctm->type; 1726480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org atm.flags = 0; 1727c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org atm.length=sizeof(buff2); 1728c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org atm.data=(unsigned char *)buff2; 1729c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1730480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (X509_time_adj(&atm, offset*60, cmp_time) == NULL) 1731c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 1732c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1733c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctm->type == V_ASN1_UTCTIME) 1734c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1735c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org i=(buff1[0]-'0')*10+(buff1[1]-'0'); 1736c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i < 50) i+=100; /* cf. RFC 2459 */ 1737c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org j=(buff2[0]-'0')*10+(buff2[1]-'0'); 1738c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (j < 50) j+=100; 1739c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1740c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i < j) return -1; 1741c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i > j) return 1; 1742c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1743c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org i=strcmp(buff1,buff2); 1744c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i == 0) /* wait a second then return younger :-) */ 1745c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return -1; 1746c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 1747c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return i; 1748c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1749c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1750c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgASN1_TIME *X509_gmtime_adj(ASN1_TIME *s, long adj) 1751c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 1752c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return X509_time_adj(s, adj, NULL); 1753c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 1754c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1755480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgASN1_TIME *X509_time_adj(ASN1_TIME *s, long offset_sec, time_t *in_tm) 1756480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1757480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return X509_time_adj_ex(s, 0, offset_sec, in_tm); 1758480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1759480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1760480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgASN1_TIME *X509_time_adj_ex(ASN1_TIME *s, 1761480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int offset_day, long offset_sec, time_t *in_tm) 1762c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1763c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org time_t t; 1764c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1765c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (in_tm) t = *in_tm; 1766c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else time(&t); 1767c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1768480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (s && !(s->flags & ASN1_STRING_FLAG_MSTRING)) 1769480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1770480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (s->type == V_ASN1_UTCTIME) 1771480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return ASN1_UTCTIME_adj(s,t, offset_day, offset_sec); 1772480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (s->type == V_ASN1_GENERALIZEDTIME) 1773480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return ASN1_GENERALIZEDTIME_adj(s, t, offset_day, 1774480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org offset_sec); 1775480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1776480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return ASN1_TIME_adj(s, t, offset_day, offset_sec); 1777c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1778c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1779c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_get_pubkey_parameters(EVP_PKEY *pkey, STACK_OF(X509) *chain) 1780c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1781c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org EVP_PKEY *ktmp=NULL,*ktmp2; 1782c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int i,j; 1783c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1784c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((pkey != NULL) && !EVP_PKEY_missing_parameters(pkey)) return 1; 1785c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1786c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for (i=0; i<sk_X509_num(chain); i++) 1787c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1788c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ktmp=X509_get_pubkey(sk_X509_value(chain,i)); 1789c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ktmp == NULL) 1790c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1791c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_X509_GET_PUBKEY_PARAMETERS,X509_R_UNABLE_TO_GET_CERTS_PUBLIC_KEY); 1792c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 1793c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1794c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!EVP_PKEY_missing_parameters(ktmp)) 1795c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 1796c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 1797c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1798c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org EVP_PKEY_free(ktmp); 1799c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ktmp=NULL; 1800c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1801c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1802c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ktmp == NULL) 1803c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1804c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_X509_GET_PUBKEY_PARAMETERS,X509_R_UNABLE_TO_FIND_PARAMETERS_IN_CHAIN); 1805c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 1806c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1807c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1808c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* first, populate the other certs */ 1809c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for (j=i-1; j >= 0; j--) 1810c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1811c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ktmp2=X509_get_pubkey(sk_X509_value(chain,j)); 1812c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org EVP_PKEY_copy_parameters(ktmp2,ktmp); 1813c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org EVP_PKEY_free(ktmp2); 1814c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1815c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1816c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (pkey != NULL) EVP_PKEY_copy_parameters(pkey,ktmp); 1817c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org EVP_PKEY_free(ktmp); 1818c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 1819c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1820c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1821c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_STORE_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, 1822c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) 1823c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1824c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* This function is (usually) called only once, by 1825c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * SSL_get_ex_data_X509_STORE_CTX_idx (ssl/ssl_cert.c). */ 1826c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509_STORE_CTX, argl, argp, 1827c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org new_func, dup_func, free_func); 1828c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1829c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1830c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx, int idx, void *data) 1831c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1832c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return CRYPTO_set_ex_data(&ctx->ex_data,idx,data); 1833c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1834c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1835c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid *X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx, int idx) 1836c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1837c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return CRYPTO_get_ex_data(&ctx->ex_data,idx); 1838c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1839c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1840c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_STORE_CTX_get_error(X509_STORE_CTX *ctx) 1841c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1842c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ctx->error; 1843c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1844c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1845c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid X509_STORE_CTX_set_error(X509_STORE_CTX *ctx, int err) 1846c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1847c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=err; 1848c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1849c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1850c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx) 1851c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1852c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ctx->error_depth; 1853c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1854c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1855c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgX509 *X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx) 1856c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1857c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ctx->current_cert; 1858c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1859c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1860c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgSTACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx) 1861c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1862c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ctx->chain; 1863c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1864c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1865c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgSTACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx) 1866c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1867c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int i; 1868c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509 *x; 1869c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org STACK_OF(X509) *chain; 1870c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ctx->chain || !(chain = sk_X509_dup(ctx->chain))) return NULL; 1871c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for (i = 0; i < sk_X509_num(chain); i++) 1872c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1873c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x = sk_X509_value(chain, i); 1874c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509); 1875c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1876c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return chain; 1877c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1878c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1879480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgX509 *X509_STORE_CTX_get0_current_issuer(X509_STORE_CTX *ctx) 1880480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1881480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return ctx->current_issuer; 1882480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1883480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1884480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgX509_CRL *X509_STORE_CTX_get0_current_crl(X509_STORE_CTX *ctx) 1885480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1886480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return ctx->current_crl; 1887480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1888480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1889480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgX509_STORE_CTX *X509_STORE_CTX_get0_parent_ctx(X509_STORE_CTX *ctx) 1890480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 1891480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return ctx->parent; 1892480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 1893480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 1894c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid X509_STORE_CTX_set_cert(X509_STORE_CTX *ctx, X509 *x) 1895c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1896c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->cert=x; 1897c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1898c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1899c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid X509_STORE_CTX_set_chain(X509_STORE_CTX *ctx, STACK_OF(X509) *sk) 1900c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1901c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->untrusted=sk; 1902c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1903c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1904c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid X509_STORE_CTX_set0_crls(X509_STORE_CTX *ctx, STACK_OF(X509_CRL) *sk) 1905c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1906c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->crls=sk; 1907c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1908c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1909c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose) 1910c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1911c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return X509_STORE_CTX_purpose_inherit(ctx, 0, purpose, 0); 1912c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1913c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1914c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust) 1915c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1916c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return X509_STORE_CTX_purpose_inherit(ctx, 0, 0, trust); 1917c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1918c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1919c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* This function is used to set the X509_STORE_CTX purpose and trust 1920c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * values. This is intended to be used when another structure has its 1921c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * own trust and purpose values which (if set) will be inherited by 1922c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * the ctx. If they aren't set then we will usually have a default 1923c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * purpose in mind which should then be used to set the trust value. 1924c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * An example of this is SSL use: an SSL structure will have its own 1925c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * purpose and trust settings which the application can set: if they 1926c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * aren't set then we use the default of SSL client/server. 1927c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 1928c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1929c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose, 1930c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int purpose, int trust) 1931c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 1932c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int idx; 1933c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* If purpose not set use default */ 1934c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!purpose) purpose = def_purpose; 1935c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* If we have a purpose then check it is valid */ 1936c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (purpose) 1937c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1938c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_PURPOSE *ptmp; 1939c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org idx = X509_PURPOSE_get_by_id(purpose); 1940c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (idx == -1) 1941c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1942c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT, 1943c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_R_UNKNOWN_PURPOSE_ID); 1944c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 1945c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1946c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ptmp = X509_PURPOSE_get0(idx); 1947c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ptmp->trust == X509_TRUST_DEFAULT) 1948c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1949c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org idx = X509_PURPOSE_get_by_id(def_purpose); 1950c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (idx == -1) 1951c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1952c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT, 1953c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_R_UNKNOWN_PURPOSE_ID); 1954c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 1955c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1956c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ptmp = X509_PURPOSE_get0(idx); 1957c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1958c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* If trust not set then get from purpose default */ 1959c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!trust) trust = ptmp->trust; 1960c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1961c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (trust) 1962c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1963c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org idx = X509_TRUST_get_by_id(trust); 1964c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (idx == -1) 1965c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1966c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT, 1967c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_R_UNKNOWN_TRUST_ID); 1968c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 1969c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1970c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1971c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1972c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (purpose && !ctx->param->purpose) ctx->param->purpose = purpose; 1973c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (trust && !ctx->param->trust) ctx->param->trust = trust; 1974c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 1975c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 1976c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1977c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgX509_STORE_CTX *X509_STORE_CTX_new(void) 1978c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 1979c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_STORE_CTX *ctx; 1980c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx = (X509_STORE_CTX *)OPENSSL_malloc(sizeof(X509_STORE_CTX)); 1981c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ctx) 1982c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1983c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_X509_STORE_CTX_NEW,ERR_R_MALLOC_FAILURE); 1984c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 1985c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 1986c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org memset(ctx, 0, sizeof(X509_STORE_CTX)); 1987c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ctx; 1988c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 1989c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1990c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid X509_STORE_CTX_free(X509_STORE_CTX *ctx) 1991c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 1992c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_STORE_CTX_cleanup(ctx); 1993c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org OPENSSL_free(ctx); 1994c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 1995c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 1996c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store, X509 *x509, 1997c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org STACK_OF(X509) *chain) 1998c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 1999c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int ret = 1; 2000c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->ctx=store; 2001c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_method=0; 2002c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->cert=x509; 2003c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->untrusted=chain; 2004c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->crls = NULL; 2005c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->last_untrusted=0; 2006c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->other_ctx=NULL; 2007c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->valid=0; 2008c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->chain=NULL; 2009c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error=0; 2010c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->explicit_policy=0; 2011c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->error_depth=0; 2012c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_cert=NULL; 2013c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->current_issuer=NULL; 2014480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->current_crl=NULL; 2015480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->current_crl_score=0; 2016480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->current_reasons=0; 2017c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->tree = NULL; 2018480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->parent = NULL; 2019c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2020c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->param = X509_VERIFY_PARAM_new(); 2021c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2022c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!ctx->param) 2023c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2024c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_X509_STORE_CTX_INIT,ERR_R_MALLOC_FAILURE); 2025c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 2026c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2027c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2028c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Inherit callbacks and flags from X509_STORE if not set 2029c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * use defaults. 2030c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 2031c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2032c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2033c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (store) 2034c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret = X509_VERIFY_PARAM_inherit(ctx->param, store->param); 2035c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 2036480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->param->inh_flags |= X509_VP_FLAG_DEFAULT|X509_VP_FLAG_ONCE; 2037c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2038c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (store) 2039c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2040c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->verify_cb = store->verify_cb; 2041c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->cleanup = store->cleanup; 2042c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2043c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 2044c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->cleanup = 0; 2045c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2046c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ret) 2047c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret = X509_VERIFY_PARAM_inherit(ctx->param, 2048c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_VERIFY_PARAM_lookup("default")); 2049c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2050c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ret == 0) 2051c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2052c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_X509_STORE_CTX_INIT,ERR_R_MALLOC_FAILURE); 2053c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 2054c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2055c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2056c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (store && store->check_issued) 2057c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->check_issued = store->check_issued; 2058c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 2059c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->check_issued = check_issued; 2060c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2061c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (store && store->get_issuer) 2062c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->get_issuer = store->get_issuer; 2063c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 2064c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->get_issuer = X509_STORE_CTX_get1_issuer; 2065c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2066c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (store && store->verify_cb) 2067c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->verify_cb = store->verify_cb; 2068c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 2069c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->verify_cb = null_callback; 2070c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2071c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (store && store->verify) 2072c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->verify = store->verify; 2073c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 2074c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->verify = internal_verify; 2075c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2076c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (store && store->check_revocation) 2077c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->check_revocation = store->check_revocation; 2078c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 2079c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->check_revocation = check_revocation; 2080c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2081c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (store && store->get_crl) 2082c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->get_crl = store->get_crl; 2083c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 2084480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->get_crl = NULL; 2085c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2086c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (store && store->check_crl) 2087c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->check_crl = store->check_crl; 2088c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 2089c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->check_crl = check_crl; 2090c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2091c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (store && store->cert_crl) 2092c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->cert_crl = store->cert_crl; 2093c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 2094c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->cert_crl = cert_crl; 2095c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2096480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (store && store->lookup_certs) 2097480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->lookup_certs = store->lookup_certs; 2098480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else 2099480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->lookup_certs = X509_STORE_get1_certs; 2100480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 2101480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (store && store->lookup_crls) 2102480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->lookup_crls = store->lookup_crls; 2103480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else 2104480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ctx->lookup_crls = X509_STORE_get1_crls; 2105480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 2106c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->check_policy = check_policy; 2107c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2108c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2109c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* This memset() can't make any sense anyway, so it's removed. As 2110c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * X509_STORE_CTX_cleanup does a proper "free" on the ex_data, we put a 2111c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * corresponding "new" here and remove this bogus initialisation. */ 2112c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* memset(&(ctx->ex_data),0,sizeof(CRYPTO_EX_DATA)); */ 2113c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE_CTX, ctx, 2114c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org &(ctx->ex_data))) 2115c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2116c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org OPENSSL_free(ctx); 2117c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509err(X509_F_X509_STORE_CTX_INIT,ERR_R_MALLOC_FAILURE); 2118c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 2119c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2120c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 2121c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2122c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2123c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Set alternative lookup method: just a STACK of trusted certificates. 2124c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * This avoids X509_STORE nastiness where it isn't needed. 2125c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 2126c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2127c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid X509_STORE_CTX_trusted_stack(X509_STORE_CTX *ctx, STACK_OF(X509) *sk) 2128c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 2129c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->other_ctx = sk; 2130c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->get_issuer = get_issuer_sk; 2131c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 2132c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2133c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx) 2134c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2135c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->cleanup) ctx->cleanup(ctx); 2136c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->param != NULL) 2137c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2138480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (ctx->parent == NULL) 2139480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org X509_VERIFY_PARAM_free(ctx->param); 2140c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->param=NULL; 2141c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2142c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->tree != NULL) 2143c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2144c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_policy_tree_free(ctx->tree); 2145c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->tree=NULL; 2146c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2147c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->chain != NULL) 2148c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2149c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_X509_pop_free(ctx->chain,X509_free); 2150c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->chain=NULL; 2151c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2152c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE_CTX, ctx, &(ctx->ex_data)); 2153c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org memset(&ctx->ex_data,0,sizeof(CRYPTO_EX_DATA)); 2154c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2155c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2156c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid X509_STORE_CTX_set_depth(X509_STORE_CTX *ctx, int depth) 2157c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2158c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_VERIFY_PARAM_set_depth(ctx->param, depth); 2159c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2160c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2161c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx, unsigned long flags) 2162c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2163c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_VERIFY_PARAM_set_flags(ctx->param, flags); 2164c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2165c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2166c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid X509_STORE_CTX_set_time(X509_STORE_CTX *ctx, unsigned long flags, time_t t) 2167c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2168c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_VERIFY_PARAM_set_time(ctx->param, t); 2169c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2170c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2171c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx, 2172c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int (*verify_cb)(int, X509_STORE_CTX *)) 2173c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2174c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->verify_cb=verify_cb; 2175c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2176c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2177c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgX509_POLICY_TREE *X509_STORE_CTX_get0_policy_tree(X509_STORE_CTX *ctx) 2178c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2179c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ctx->tree; 2180c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2181c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2182c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_STORE_CTX_get_explicit_policy(X509_STORE_CTX *ctx) 2183c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2184c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ctx->explicit_policy; 2185c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2186c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2187c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_STORE_CTX_set_default(X509_STORE_CTX *ctx, const char *name) 2188c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2189c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org const X509_VERIFY_PARAM *param; 2190c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org param = X509_VERIFY_PARAM_lookup(name); 2191c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!param) 2192c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 2193c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return X509_VERIFY_PARAM_inherit(ctx->param, param); 2194c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2195c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2196c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgX509_VERIFY_PARAM *X509_STORE_CTX_get0_param(X509_STORE_CTX *ctx) 2197c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2198c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ctx->param; 2199c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2200c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2201c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid X509_STORE_CTX_set0_param(X509_STORE_CTX *ctx, X509_VERIFY_PARAM *param) 2202c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 2203c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctx->param) 2204c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_VERIFY_PARAM_free(ctx->param); 2205c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ctx->param = param; 2206c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 2207c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2208c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgIMPLEMENT_STACK_OF(X509) 2209c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgIMPLEMENT_ASN1_SET_OF(X509) 2210c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2211c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgIMPLEMENT_STACK_OF(X509_NAME) 2212c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 2213c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgIMPLEMENT_STACK_OF(X509_ATTRIBUTE) 2214c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgIMPLEMENT_ASN1_SET_OF(X509_ATTRIBUTE) 2215