1 /* a_x509a.c */ 2 /* Written by Dr Stephen N Henson (steve (at) openssl.org) for the OpenSSL 3 * project 1999. 4 */ 5 /* ==================================================================== 6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. All advertising materials mentioning features or use of this 21 * software must display the following acknowledgment: 22 * "This product includes software developed by the OpenSSL Project 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24 * 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26 * endorse or promote products derived from this software without 27 * prior written permission. For written permission, please contact 28 * licensing (at) OpenSSL.org. 29 * 30 * 5. Products derived from this software may not be called "OpenSSL" 31 * nor may "OpenSSL" appear in their names without prior written 32 * permission of the OpenSSL Project. 33 * 34 * 6. Redistributions of any form whatsoever must retain the following 35 * acknowledgment: 36 * "This product includes software developed by the OpenSSL Project 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38 * 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50 * OF THE POSSIBILITY OF SUCH DAMAGE. 51 * ==================================================================== 52 * 53 * This product includes cryptographic software written by Eric Young 54 * (eay (at) cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh (at) cryptsoft.com). 56 * 57 */ 58 59 #include <stdio.h> 60 #include "cryptlib.h" 61 #include <openssl/evp.h> 62 #include <openssl/asn1t.h> 63 #include <openssl/x509.h> 64 65 /* X509_CERT_AUX routines. These are used to encode additional 66 * user modifiable data about a certificate. This data is 67 * appended to the X509 encoding when the *_X509_AUX routines 68 * are used. This means that the "traditional" X509 routines 69 * will simply ignore the extra data. 70 */ 71 72 static X509_CERT_AUX *aux_get(X509 *x); 73 74 ASN1_SEQUENCE(X509_CERT_AUX) = { 75 ASN1_SEQUENCE_OF_OPT(X509_CERT_AUX, trust, ASN1_OBJECT), 76 ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, reject, ASN1_OBJECT, 0), 77 ASN1_OPT(X509_CERT_AUX, alias, ASN1_UTF8STRING), 78 ASN1_OPT(X509_CERT_AUX, keyid, ASN1_OCTET_STRING), 79 ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, other, X509_ALGOR, 1) 80 } ASN1_SEQUENCE_END(X509_CERT_AUX) 81 82 IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_AUX) 83 84 static X509_CERT_AUX *aux_get(X509 *x) 85 { 86 if(!x) return NULL; 87 if(!x->aux && !(x->aux = X509_CERT_AUX_new())) return NULL; 88 return x->aux; 89 } 90 91 int X509_alias_set1(X509 *x, unsigned char *name, int len) 92 { 93 X509_CERT_AUX *aux; 94 if (!name) 95 { 96 if (!x || !x->aux || !x->aux->alias) 97 return 1; 98 ASN1_UTF8STRING_free(x->aux->alias); 99 x->aux->alias = NULL; 100 return 1; 101 } 102 if(!(aux = aux_get(x))) return 0; 103 if(!aux->alias && !(aux->alias = ASN1_UTF8STRING_new())) return 0; 104 return ASN1_STRING_set(aux->alias, name, len); 105 } 106 107 int X509_keyid_set1(X509 *x, unsigned char *id, int len) 108 { 109 X509_CERT_AUX *aux; 110 if (!id) 111 { 112 if (!x || !x->aux || !x->aux->keyid) 113 return 1; 114 ASN1_OCTET_STRING_free(x->aux->keyid); 115 x->aux->keyid = NULL; 116 return 1; 117 } 118 if(!(aux = aux_get(x))) return 0; 119 if(!aux->keyid && !(aux->keyid = ASN1_OCTET_STRING_new())) return 0; 120 return ASN1_STRING_set(aux->keyid, id, len); 121 } 122 123 unsigned char *X509_alias_get0(X509 *x, int *len) 124 { 125 if(!x->aux || !x->aux->alias) return NULL; 126 if(len) *len = x->aux->alias->length; 127 return x->aux->alias->data; 128 } 129 130 unsigned char *X509_keyid_get0(X509 *x, int *len) 131 { 132 if(!x->aux || !x->aux->keyid) return NULL; 133 if(len) *len = x->aux->keyid->length; 134 return x->aux->keyid->data; 135 } 136 137 int X509_add1_trust_object(X509 *x, ASN1_OBJECT *obj) 138 { 139 X509_CERT_AUX *aux; 140 ASN1_OBJECT *objtmp; 141 if(!(objtmp = OBJ_dup(obj))) return 0; 142 if(!(aux = aux_get(x))) return 0; 143 if(!aux->trust 144 && !(aux->trust = sk_ASN1_OBJECT_new_null())) return 0; 145 return sk_ASN1_OBJECT_push(aux->trust, objtmp); 146 } 147 148 int X509_add1_reject_object(X509 *x, ASN1_OBJECT *obj) 149 { 150 X509_CERT_AUX *aux; 151 ASN1_OBJECT *objtmp; 152 if(!(objtmp = OBJ_dup(obj))) return 0; 153 if(!(aux = aux_get(x))) return 0; 154 if(!aux->reject 155 && !(aux->reject = sk_ASN1_OBJECT_new_null())) return 0; 156 return sk_ASN1_OBJECT_push(aux->reject, objtmp); 157 } 158 159 void X509_trust_clear(X509 *x) 160 { 161 if(x->aux && x->aux->trust) { 162 sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free); 163 x->aux->trust = NULL; 164 } 165 } 166 167 void X509_reject_clear(X509 *x) 168 { 169 if(x->aux && x->aux->reject) { 170 sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free); 171 x->aux->reject = NULL; 172 } 173 } 174 175 ASN1_SEQUENCE(X509_CERT_PAIR) = { 176 ASN1_EXP_OPT(X509_CERT_PAIR, forward, X509, 0), 177 ASN1_EXP_OPT(X509_CERT_PAIR, reverse, X509, 1) 178 } ASN1_SEQUENCE_END(X509_CERT_PAIR) 179 180 IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_PAIR) 181
