release/src/router/openssl/crypto/asn1/x_x509a.c

   1 /* a_x509a.c */
   2 /* Written by Dr Stephen N Henson (steve@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@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 (!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)