1 /* a_x509a.c */ 2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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@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@cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh@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(!(aux = aux_get(x))) return 0; 95 if(!aux->alias && !(aux->alias = ASN1_UTF8STRING_new())) return 0; 96 return ASN1_STRING_set(aux->alias, name, len); 97 } 98 99 int X509_keyid_set1(X509 *x, unsigned char *id, int len) 100 { 101 X509_CERT_AUX *aux; 102 if(!(aux = aux_get(x))) return 0; 103 if(!aux->keyid && !(aux->keyid = ASN1_OCTET_STRING_new())) return 0; 104 return ASN1_STRING_set(aux->keyid, id, len); 105 } 106 107 unsigned char *X509_alias_get0(X509 *x, int *len) 108 { 109 if(!x->aux || !x->aux->alias) return NULL; 110 if(len) *len = x->aux->alias->length; 111 return x->aux->alias->data; 112 } 113 114 int X509_add1_trust_object(X509 *x, ASN1_OBJECT *obj) 115 { 116 X509_CERT_AUX *aux; 117 ASN1_OBJECT *objtmp; 118 if(!(objtmp = OBJ_dup(obj))) return 0; 119 if(!(aux = aux_get(x))) return 0; 120 if(!aux->trust 121 && !(aux->trust = sk_ASN1_OBJECT_new_null())) return 0; 122 return sk_ASN1_OBJECT_push(aux->trust, objtmp); 123 } 124 125 int X509_add1_reject_object(X509 *x, ASN1_OBJECT *obj) 126 { 127 X509_CERT_AUX *aux; 128 ASN1_OBJECT *objtmp; 129 if(!(objtmp = OBJ_dup(obj))) return 0; 130 if(!(aux = aux_get(x))) return 0; 131 if(!aux->reject 132 && !(aux->reject = sk_ASN1_OBJECT_new_null())) return 0; 133 return sk_ASN1_OBJECT_push(aux->reject, objtmp); 134 } 135 136 void X509_trust_clear(X509 *x) 137 { 138 if(x->aux && x->aux->trust) { 139 sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free); 140 x->aux->trust = NULL; 141 } 142 } 143 144 void X509_reject_clear(X509 *x) 145 { 146 if(x->aux && x->aux->reject) { 147 sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free); 148 x->aux->reject = NULL; 149 } 150 } 151 152