crypto/asn1/x_x509a.c

   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/asn1_mac.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 X509_CERT_AUX *d2i_X509_CERT_AUX(X509_CERT_AUX **a, unsigned char **pp, long length)
  75 {
  76         M_ASN1_D2I_vars(a, X509_CERT_AUX *, X509_CERT_AUX_new);
  77
  78         M_ASN1_D2I_Init();
  79         M_ASN1_D2I_start_sequence();
  80
  81         M_ASN1_D2I_get_opt(ret->trust, d2i_ASN1_BIT_STRING,
  82                                                         V_ASN1_BIT_STRING);
  83         M_ASN1_D2I_get_IMP_opt(ret->notrust, d2i_ASN1_BIT_STRING,0,
  84                                                         V_ASN1_BIT_STRING);
  85
  86         M_ASN1_D2I_get_seq_opt_type(ASN1_OBJECT, ret->othertrust,
  87                                         d2i_ASN1_OBJECT, ASN1_OBJECT_free);
  88         M_ASN1_D2I_get_IMP_set_opt_type(ASN1_OBJECT, ret->othernotrust,
  89                                         d2i_ASN1_OBJECT, ASN1_OBJECT_free, 1);
  90         M_ASN1_D2I_get_opt(ret->alias, d2i_ASN1_UTF8STRING, V_ASN1_UTF8STRING);
  91         M_ASN1_D2I_get_opt(ret->other, d2i_ASN1_TYPE, V_ASN1_SEQUENCE);
  92
  93         M_ASN1_D2I_Finish(a, X509_CERT_AUX_free, ASN1_F_D2I_X509_CERT_AUX);
  94 }
  95
  96 X509_CERT_AUX *X509_CERT_AUX_new()
  97 {
  98         X509_CERT_AUX *ret = NULL;
  99         ASN1_CTX c;
 100         M_ASN1_New_Malloc(ret, X509_CERT_AUX);
 101         ret->trust = NULL;
 102         ret->notrust = NULL;
 103         ret->othertrust = NULL;
 104         ret->othernotrust = NULL;
 105         ret->alias = NULL;
 106         ret->other = NULL;
 107         return(ret);
 108         M_ASN1_New_Error(ASN1_F_X509_CERT_AUX_NEW);
 109 }
 110
 111 void X509_CERT_AUX_free(X509_CERT_AUX *a)
 112 {
 113         if(a == NULL) return;
 114         ASN1_BIT_STRING_free(a->trust);
 115         ASN1_BIT_STRING_free(a->notrust);
 116         sk_ASN1_OBJECT_pop_free(a->othertrust, ASN1_OBJECT_free);
 117         sk_ASN1_OBJECT_pop_free(a->othernotrust, ASN1_OBJECT_free);
 118         ASN1_UTF8STRING_free(a->alias);
 119         ASN1_TYPE_free(a->other);
 120 }
 121
 122 int i2d_X509_CERT_AUX(X509_CERT_AUX *a, unsigned char **pp)
 123 {
 124         M_ASN1_I2D_vars(a);
 125
 126         M_ASN1_I2D_len(a->trust, i2d_ASN1_BIT_STRING);
 127         M_ASN1_I2D_len_IMP_opt(a->notrust, i2d_ASN1_BIT_STRING);
 128
 129         M_ASN1_I2D_len_SEQUENCE_opt_type(ASN1_OBJECT, a->othertrust, i2d_ASN1_OBJECT);
 130         M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(ASN1_OBJECT, a->othernotrust, i2d_ASN1_OBJECT, 1);
 131
 132         M_ASN1_I2D_len(a->alias, i2d_ASN1_UTF8STRING);
 133         M_ASN1_I2D_len(a->other, i2d_ASN1_TYPE);
 134
 135         M_ASN1_I2D_seq_total();
 136
 137         M_ASN1_I2D_put(a->trust, i2d_ASN1_BIT_STRING);
 138         M_ASN1_I2D_put_IMP_opt(a->notrust, i2d_ASN1_BIT_STRING, 0);
 139
 140         M_ASN1_I2D_put_SEQUENCE_opt_type(ASN1_OBJECT, a->othertrust, i2d_ASN1_OBJECT);
 141         M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(ASN1_OBJECT, a->othernotrust, i2d_ASN1_OBJECT, 1);
 142
 143         M_ASN1_I2D_put(a->alias, i2d_ASN1_UTF8STRING);
 144         M_ASN1_I2D_put(a->other, i2d_ASN1_TYPE);
 145
 146         M_ASN1_I2D_finish();
 147 }
 148
 149 static X509_CERT_AUX *aux_get(X509 *x)
 150 {
 151         if(!x) return NULL;
 152         if(!x->aux && !(x->aux = X509_CERT_AUX_new())) return NULL;
 153         return x->aux;
 154 }
 155
 156 int X509_alias_set(X509 *x, unsigned char *name, int len)
 157 {
 158         X509_CERT_AUX *aux;
 159         if(!(aux = aux_get(x))) return 0;
 160         if(!aux->alias && !(aux->alias = ASN1_UTF8STRING_new())) return 0;
 161         return ASN1_STRING_set(aux->alias, name, len);
 162 }
 163
 164 unsigned char *X509_alias_get(X509 *x, int *len)
 165 {
 166         if(!x->aux || !x->aux->alias) return NULL;
 167         if(len) *len = x->aux->alias->length;
 168         return x->aux->alias->data;
 169 }
 170
 171 int X509_trust_set_bit(X509 *x, int bit, int value)
 172 {
 173         X509_CERT_AUX *aux;
 174         if(bit == -1) {
 175                 if(x->aux && x->aux->trust) {
 176                         ASN1_BIT_STRING_free(x->aux->trust);
 177                         x->aux->trust = NULL;
 178                 }
 179                 return 1;
 180         }
 181         if(!(aux = aux_get(x))) return 0;
 182         if(!aux->trust && !(aux->trust = ASN1_BIT_STRING_new())) return 0;
 183         return ASN1_BIT_STRING_set_bit(aux->trust, bit, value);
 184 }
 185
 186 int X509_notrust_set_bit(X509 *x, int bit, int value)
 187 {
 188         X509_CERT_AUX *aux;
 189         if(bit == -1) {
 190                 if(x->aux && x->aux->notrust) {
 191                         ASN1_BIT_STRING_free(x->aux->notrust);
 192                         x->aux->notrust = NULL;
 193                 }
 194                 return 1;
 195         }
 196         if(!(aux = aux_get(x))) return 0;
 197         if(!aux->notrust && !(aux->notrust = ASN1_BIT_STRING_new())) return 0;
 198         return ASN1_BIT_STRING_set_bit(aux->notrust, bit, value);
 199 }
 200
 201 int X509_add_trust_object(X509 *x, ASN1_OBJECT *obj)
 202 {
 203         X509_CERT_AUX *aux;
 204         if(!(aux = aux_get(x))) return 0;
 205         if(!aux->othertrust
 206                 && !(aux->othertrust = sk_ASN1_OBJECT_new_null())) return 0;
 207         return sk_ASN1_OBJECT_push(aux->othertrust, obj);
 208 }
 209
 210 int X509_add_notrust_object(X509 *x, ASN1_OBJECT *obj)
 211 {
 212         X509_CERT_AUX *aux;
 213         if(!(aux = aux_get(x))) return 0;
 214         if(!aux->othernotrust
 215                 && !(aux->othernotrust = sk_ASN1_OBJECT_new_null())) return 0;
 216         return sk_ASN1_OBJECT_push(aux->othernotrust, obj);
 217 }
 218