1c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* a_x509a.c */ 2c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 3c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * project 1999. 4c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 5c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* ==================================================================== 6c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 7c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 8c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Redistribution and use in source and binary forms, with or without 9c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * modification, are permitted provided that the following conditions 10c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * are met: 11c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 12c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 1. Redistributions of source code must retain the above copyright 13c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * notice, this list of conditions and the following disclaimer. 14c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 15c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 2. Redistributions in binary form must reproduce the above copyright 16c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * notice, this list of conditions and the following disclaimer in 17c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * the documentation and/or other materials provided with the 18c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * distribution. 19c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 20c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 3. All advertising materials mentioning features or use of this 21c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * software must display the following acknowledgment: 22c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * "This product includes software developed by the OpenSSL Project 23c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 25c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * endorse or promote products derived from this software without 27c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * prior written permission. For written permission, please contact 28c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * licensing@OpenSSL.org. 29c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 30c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 5. Products derived from this software may not be called "OpenSSL" 31c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * nor may "OpenSSL" appear in their names without prior written 32c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * permission of the OpenSSL Project. 33c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 34c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 6. Redistributions of any form whatsoever must retain the following 35c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * acknowledgment: 36c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * "This product includes software developed by the OpenSSL Project 37c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 39c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * OF THE POSSIBILITY OF SUCH DAMAGE. 51c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ==================================================================== 52c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 53c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * This product includes cryptographic software written by Eric Young 54c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * (eay@cryptsoft.com). This product includes software written by Tim 55c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Hudson (tjh@cryptsoft.com). 56c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 57c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 58c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 59c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <stdio.h> 60c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include "cryptlib.h" 61c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/evp.h> 62c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/asn1t.h> 63c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/x509.h> 64c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 65c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* X509_CERT_AUX routines. These are used to encode additional 66c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * user modifiable data about a certificate. This data is 67c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * appended to the X509 encoding when the *_X509_AUX routines 68c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * are used. This means that the "traditional" X509 routines 69c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * will simply ignore the extra data. 70c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 71c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 72c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic X509_CERT_AUX *aux_get(X509 *x); 73c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 74c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgASN1_SEQUENCE(X509_CERT_AUX) = { 75c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_SEQUENCE_OF_OPT(X509_CERT_AUX, trust, ASN1_OBJECT), 76c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, reject, ASN1_OBJECT, 0), 77c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_OPT(X509_CERT_AUX, alias, ASN1_UTF8STRING), 78c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_OPT(X509_CERT_AUX, keyid, ASN1_OCTET_STRING), 79c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, other, X509_ALGOR, 1) 80c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} ASN1_SEQUENCE_END(X509_CERT_AUX) 81c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 82c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgIMPLEMENT_ASN1_FUNCTIONS(X509_CERT_AUX) 83c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 84c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic X509_CERT_AUX *aux_get(X509 *x) 85c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 86c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!x) return NULL; 87c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!x->aux && !(x->aux = X509_CERT_AUX_new())) return NULL; 88c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return x->aux; 89c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 90c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 91c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_alias_set1(X509 *x, unsigned char *name, int len) 92c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 93c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_CERT_AUX *aux; 94c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!name) 95c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 96c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!x || !x->aux || !x->aux->alias) 97c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 98c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_UTF8STRING_free(x->aux->alias); 99c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x->aux->alias = NULL; 100c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 101c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 102c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(aux = aux_get(x))) return 0; 103c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!aux->alias && !(aux->alias = ASN1_UTF8STRING_new())) return 0; 104c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ASN1_STRING_set(aux->alias, name, len); 105c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 106c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 107c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_keyid_set1(X509 *x, unsigned char *id, int len) 108c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 109c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_CERT_AUX *aux; 110c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!id) 111c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 112c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!x || !x->aux || !x->aux->keyid) 113c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 114c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_OCTET_STRING_free(x->aux->keyid); 115c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x->aux->keyid = NULL; 116c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 117c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 118c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(aux = aux_get(x))) return 0; 119c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!aux->keyid && !(aux->keyid = ASN1_OCTET_STRING_new())) return 0; 120c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return ASN1_STRING_set(aux->keyid, id, len); 121c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 122c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 123c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgunsigned char *X509_alias_get0(X509 *x, int *len) 124c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 125c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!x->aux || !x->aux->alias) return NULL; 126c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(len) *len = x->aux->alias->length; 127c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return x->aux->alias->data; 128c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 129c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 130c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgunsigned char *X509_keyid_get0(X509 *x, int *len) 131c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 132c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!x->aux || !x->aux->keyid) return NULL; 133c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(len) *len = x->aux->keyid->length; 134c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return x->aux->keyid->data; 135c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 136c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 137c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_add1_trust_object(X509 *x, ASN1_OBJECT *obj) 138c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 139c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_CERT_AUX *aux; 140c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_OBJECT *objtmp; 141c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(objtmp = OBJ_dup(obj))) return 0; 142c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(aux = aux_get(x))) return 0; 143c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!aux->trust 144c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org && !(aux->trust = sk_ASN1_OBJECT_new_null())) return 0; 145c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return sk_ASN1_OBJECT_push(aux->trust, objtmp); 146c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 147c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 148c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint X509_add1_reject_object(X509 *x, ASN1_OBJECT *obj) 149c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 150c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org X509_CERT_AUX *aux; 151c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_OBJECT *objtmp; 152c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(objtmp = OBJ_dup(obj))) return 0; 153c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(aux = aux_get(x))) return 0; 154c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!aux->reject 155c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org && !(aux->reject = sk_ASN1_OBJECT_new_null())) return 0; 156c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return sk_ASN1_OBJECT_push(aux->reject, objtmp); 157c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 158c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 159c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid X509_trust_clear(X509 *x) 160c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 161c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(x->aux && x->aux->trust) { 162c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free); 163c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x->aux->trust = NULL; 164c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 165c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 166c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 167c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgvoid X509_reject_clear(X509 *x) 168c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 169c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(x->aux && x->aux->reject) { 170c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free); 171c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org x->aux->reject = NULL; 172c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 173c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 174c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 175c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgASN1_SEQUENCE(X509_CERT_PAIR) = { 176c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_EXP_OPT(X509_CERT_PAIR, forward, X509, 0), 177c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_EXP_OPT(X509_CERT_PAIR, reverse, X509, 1) 178c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} ASN1_SEQUENCE_END(X509_CERT_PAIR) 179c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 180c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgIMPLEMENT_ASN1_FUNCTIONS(X509_CERT_PAIR) 181