crypto/asn1/x_x509a.c

   1 /* a_x509a.c */
   2 /*
   3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
   4  * 1999.
   5  */
   6 /* ====================================================================
   7  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in
  18  *    the documentation and/or other materials provided with the
  19  *    distribution.
  20  *
  21  * 3. All advertising materials mentioning features or use of this
  22  *    software must display the following acknowledgment:
  23  *    "This product includes software developed by the OpenSSL Project
  24  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  25  *
  26  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  27  *    endorse or promote products derived from this software without
  28  *    prior written permission. For written permission, please contact
  29  *    licensing@OpenSSL.org.
  30  *
  31  * 5. Products derived from this software may not be called "OpenSSL"
  32  *    nor may "OpenSSL" appear in their names without prior written
  33  *    permission of the OpenSSL Project.
  34  *
  35  * 6. Redistributions of any form whatsoever must retain the following
  36  *    acknowledgment:
  37  *    "This product includes software developed by the OpenSSL Project
  38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  51  * OF THE POSSIBILITY OF SUCH DAMAGE.
  52  * ====================================================================
  53  *
  54  * This product includes cryptographic software written by Eric Young
  55  * (eay@cryptsoft.com).  This product includes software written by Tim
  56  * Hudson (tjh@cryptsoft.com).
  57  *
  58  */
  59
  60 #include <stdio.h>
  61 #include "cryptlib.h"
  62 #include <openssl/evp.h>
  63 #include <openssl/asn1t.h>
  64 #include <openssl/x509.h>
  65
  66 /*
  67  * X509_CERT_AUX routines. These are used to encode additional user
  68  * modifiable data about a certificate. This data is appended to the X509
  69  * encoding when the *_X509_AUX routines are used. This means that the
  70  * "traditional" X509 routines will simply ignore the extra data.
  71  */
  72
  73 static X509_CERT_AUX *aux_get(X509 *x);
  74
  75 ASN1_SEQUENCE(X509_CERT_AUX) = {
  76         ASN1_SEQUENCE_OF_OPT(X509_CERT_AUX, trust, ASN1_OBJECT),
  77         ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, reject, ASN1_OBJECT, 0),
  78         ASN1_OPT(X509_CERT_AUX, alias, ASN1_UTF8STRING),
  79         ASN1_OPT(X509_CERT_AUX, keyid, ASN1_OCTET_STRING),
  80         ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, other, X509_ALGOR, 1)
  81 } ASN1_SEQUENCE_END(X509_CERT_AUX)
  82
  83 IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_AUX)
  84
  85 static X509_CERT_AUX *aux_get(X509 *x)
  86 {
  87     if (!x)
  88         return NULL;
  89     if (!x->aux && !(x->aux = X509_CERT_AUX_new()))
  90         return NULL;
  91     return x->aux;
  92 }
  93
  94 int X509_alias_set1(X509 *x, unsigned char *name, int len)
  95 {
  96     X509_CERT_AUX *aux;
  97     if (!name) {
  98         if (!x || !x->aux || !x->aux->alias)
  99             return 1;
 100         ASN1_UTF8STRING_free(x->aux->alias);
 101         x->aux->alias = NULL;
 102         return 1;
 103     }
 104     if (!(aux = aux_get(x)))
 105         return 0;
 106     if (!aux->alias && !(aux->alias = ASN1_UTF8STRING_new()))
 107         return 0;
 108     return ASN1_STRING_set(aux->alias, name, len);
 109 }
 110
 111 int X509_keyid_set1(X509 *x, unsigned char *id, int len)
 112 {
 113     X509_CERT_AUX *aux;
 114     if (!id) {
 115         if (!x || !x->aux || !x->aux->keyid)
 116             return 1;
 117         ASN1_OCTET_STRING_free(x->aux->keyid);
 118         x->aux->keyid = NULL;
 119         return 1;
 120     }
 121     if (!(aux = aux_get(x)))
 122         return 0;
 123     if (!aux->keyid && !(aux->keyid = ASN1_OCTET_STRING_new()))
 124         return 0;
 125     return ASN1_STRING_set(aux->keyid, id, len);
 126 }
 127
 128 unsigned char *X509_alias_get0(X509 *x, int *len)
 129 {
 130     if (!x->aux || !x->aux->alias)
 131         return NULL;
 132     if (len)
 133         *len = x->aux->alias->length;
 134     return x->aux->alias->data;
 135 }
 136
 137 unsigned char *X509_keyid_get0(X509 *x, int *len)
 138 {
 139     if (!x->aux || !x->aux->keyid)
 140         return NULL;
 141     if (len)
 142         *len = x->aux->keyid->length;
 143     return x->aux->keyid->data;
 144 }
 145
 146 int X509_add1_trust_object(X509 *x, ASN1_OBJECT *obj)
 147 {
 148     X509_CERT_AUX *aux;
 149     ASN1_OBJECT *objtmp;
 150     if (!(objtmp = OBJ_dup(obj)))
 151         return 0;
 152     if (!(aux = aux_get(x)))
 153         return 0;
 154     if (!aux->trust && !(aux->trust = sk_ASN1_OBJECT_new_null()))
 155         return 0;
 156     return sk_ASN1_OBJECT_push(aux->trust, objtmp);
 157 }
 158
 159 int X509_add1_reject_object(X509 *x, ASN1_OBJECT *obj)
 160 {
 161     X509_CERT_AUX *aux;
 162     ASN1_OBJECT *objtmp;
 163     if (!(objtmp = OBJ_dup(obj)))
 164         return 0;
 165     if (!(aux = aux_get(x)))
 166         return 0;
 167     if (!aux->reject && !(aux->reject = sk_ASN1_OBJECT_new_null()))
 168         return 0;
 169     return sk_ASN1_OBJECT_push(aux->reject, objtmp);
 170 }
 171
 172 void X509_trust_clear(X509 *x)
 173 {
 174     if (x->aux && x->aux->trust) {
 175         sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free);
 176         x->aux->trust = NULL;
 177     }
 178 }
 179
 180 void X509_reject_clear(X509 *x)
 181 {
 182     if (x->aux && x->aux->reject) {
 183         sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free);
 184         x->aux->reject = NULL;
 185     }
 186 }
 187
 188 ASN1_SEQUENCE(X509_CERT_PAIR) = {
 189         ASN1_EXP_OPT(X509_CERT_PAIR, forward, X509, 0),
 190         ASN1_EXP_OPT(X509_CERT_PAIR, reverse, X509, 1)
 191 } ASN1_SEQUENCE_END(X509_CERT_PAIR)
 192
 193 IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_PAIR)