1 /* Written by Dr Stephen N Henson (steve (at) openssl.org) for the OpenSSL 2 * project 1999. */ 3 /* ==================================================================== 4 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * 3. All advertising materials mentioning features or use of this 19 * software must display the following acknowledgment: 20 * "This product includes software developed by the OpenSSL Project 21 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 22 * 23 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 24 * endorse or promote products derived from this software without 25 * prior written permission. For written permission, please contact 26 * licensing (at) OpenSSL.org. 27 * 28 * 5. Products derived from this software may not be called "OpenSSL" 29 * nor may "OpenSSL" appear in their names without prior written 30 * permission of the OpenSSL Project. 31 * 32 * 6. Redistributions of any form whatsoever must retain the following 33 * acknowledgment: 34 * "This product includes software developed by the OpenSSL Project 35 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 36 * 37 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 38 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 39 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 40 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 43 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 44 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 45 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 46 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 47 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 48 * OF THE POSSIBILITY OF SUCH DAMAGE. 49 * ==================================================================== 50 * 51 * This product includes cryptographic software written by Eric Young 52 * (eay (at) cryptsoft.com). This product includes software written by Tim 53 * Hudson (tjh (at) cryptsoft.com). */ 54 55 #include <stdio.h> 56 57 #include <openssl/asn1t.h> 58 #include <openssl/evp.h> 59 #include <openssl/obj.h> 60 #include <openssl/x509.h> 61 62 63 /* X509_CERT_AUX routines. These are used to encode additional 64 * user modifiable data about a certificate. This data is 65 * appended to the X509 encoding when the *_X509_AUX routines 66 * are used. This means that the "traditional" X509 routines 67 * will simply ignore the extra data. */ 68 69 static X509_CERT_AUX *aux_get(X509 *x); 70 71 ASN1_SEQUENCE(X509_CERT_AUX) = { 72 ASN1_SEQUENCE_OF_OPT(X509_CERT_AUX, trust, ASN1_OBJECT), 73 ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, reject, ASN1_OBJECT, 0), 74 ASN1_OPT(X509_CERT_AUX, alias, ASN1_UTF8STRING), 75 ASN1_OPT(X509_CERT_AUX, keyid, ASN1_OCTET_STRING), 76 ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, other, X509_ALGOR, 1) 77 } ASN1_SEQUENCE_END(X509_CERT_AUX) 78 79 IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_AUX) 80 81 static X509_CERT_AUX *aux_get(X509 *x) 82 { 83 if(!x) return NULL; 84 if(!x->aux && !(x->aux = X509_CERT_AUX_new())) return NULL; 85 return x->aux; 86 } 87 88 int X509_alias_set1(X509 *x, unsigned char *name, int len) 89 { 90 X509_CERT_AUX *aux; 91 if (!name) 92 { 93 if (!x || !x->aux || !x->aux->alias) 94 return 1; 95 ASN1_UTF8STRING_free(x->aux->alias); 96 x->aux->alias = NULL; 97 return 1; 98 } 99 if(!(aux = aux_get(x))) return 0; 100 if(!aux->alias && !(aux->alias = ASN1_UTF8STRING_new())) return 0; 101 return ASN1_STRING_set(aux->alias, name, len); 102 } 103 104 int X509_keyid_set1(X509 *x, unsigned char *id, int len) 105 { 106 X509_CERT_AUX *aux; 107 if (!id) 108 { 109 if (!x || !x->aux || !x->aux->keyid) 110 return 1; 111 ASN1_OCTET_STRING_free(x->aux->keyid); 112 x->aux->keyid = NULL; 113 return 1; 114 } 115 if(!(aux = aux_get(x))) return 0; 116 if(!aux->keyid && !(aux->keyid = ASN1_OCTET_STRING_new())) return 0; 117 return ASN1_STRING_set(aux->keyid, id, len); 118 } 119 120 unsigned char *X509_alias_get0(X509 *x, int *len) 121 { 122 if(!x->aux || !x->aux->alias) return NULL; 123 if(len) *len = x->aux->alias->length; 124 return x->aux->alias->data; 125 } 126 127 unsigned char *X509_keyid_get0(X509 *x, int *len) 128 { 129 if(!x->aux || !x->aux->keyid) return NULL; 130 if(len) *len = x->aux->keyid->length; 131 return x->aux->keyid->data; 132 } 133 134 int X509_add1_trust_object(X509 *x, ASN1_OBJECT *obj) 135 { 136 ASN1_OBJECT *objtmp = OBJ_dup(obj); 137 if (objtmp == NULL) 138 goto err; 139 X509_CERT_AUX *aux = aux_get(x); 140 if (aux->trust == NULL) 141 { 142 aux->trust = sk_ASN1_OBJECT_new_null(); 143 if (aux->trust == NULL) 144 goto err; 145 } 146 if (!sk_ASN1_OBJECT_push(aux->trust, objtmp)) 147 goto err; 148 return 1; 149 150 err: 151 ASN1_OBJECT_free(objtmp); 152 return 0; 153 } 154 155 int X509_add1_reject_object(X509 *x, ASN1_OBJECT *obj) 156 { 157 ASN1_OBJECT *objtmp = OBJ_dup(obj); 158 if (objtmp == NULL) 159 goto err; 160 X509_CERT_AUX *aux = aux_get(x); 161 if (aux->reject == NULL) 162 { 163 aux->reject = sk_ASN1_OBJECT_new_null(); 164 if (aux->reject == NULL) 165 goto err; 166 } 167 if (!sk_ASN1_OBJECT_push(aux->reject, objtmp)) 168 goto err; 169 return 1; 170 171 err: 172 ASN1_OBJECT_free(objtmp); 173 return 0; 174 } 175 176 void X509_trust_clear(X509 *x) 177 { 178 if(x->aux && x->aux->trust) { 179 sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free); 180 x->aux->trust = NULL; 181 } 182 } 183 184 void X509_reject_clear(X509 *x) 185 { 186 if(x->aux && x->aux->reject) { 187 sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free); 188 x->aux->reject = NULL; 189 } 190 } 191 192 ASN1_SEQUENCE(X509_CERT_PAIR) = { 193 ASN1_EXP_OPT(X509_CERT_PAIR, forward, X509, 0), 194 ASN1_EXP_OPT(X509_CERT_PAIR, reverse, X509, 1) 195 } ASN1_SEQUENCE_END(X509_CERT_PAIR) 196 197 IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_PAIR) 198
