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_seq_opt_type(ASN1_OBJECT, ret->trust,
  82                                         d2i_ASN1_OBJECT, ASN1_OBJECT_free);
  83         M_ASN1_D2I_get_IMP_set_opt_type(ASN1_OBJECT, ret->reject,
  84                                         d2i_ASN1_OBJECT, ASN1_OBJECT_free, 0);
  85         M_ASN1_D2I_get_opt(ret->alias, d2i_ASN1_UTF8STRING, V_ASN1_UTF8STRING);
  86         M_ASN1_D2I_get_opt(ret->keyid, d2i_ASN1_OCTET_STRING, V_ASN1_OCTET_STRING);
  87         M_ASN1_D2I_get_opt(ret->other, d2i_ASN1_TYPE, V_ASN1_SEQUENCE);
  88
  89         M_ASN1_D2I_Finish(a, X509_CERT_AUX_free, ASN1_F_D2I_X509_CERT_AUX);
  90 }
  91
  92 X509_CERT_AUX *X509_CERT_AUX_new()
  93 {
  94         X509_CERT_AUX *ret = NULL;
  95         ASN1_CTX c;
  96         M_ASN1_New_Malloc(ret, X509_CERT_AUX);
  97         ret->trust = NULL;
  98         ret->reject = NULL;
  99         ret->alias = NULL;
 100         ret->keyid = NULL;
 101         ret->other = NULL;
 102         return(ret);
 103         M_ASN1_New_Error(ASN1_F_X509_CERT_AUX_NEW);
 104 }
 105
 106 void X509_CERT_AUX_free(X509_CERT_AUX *a)
 107 {
 108         if(a == NULL) return;
 109         sk_ASN1_OBJECT_pop_free(a->trust, ASN1_OBJECT_free);
 110         sk_ASN1_OBJECT_pop_free(a->reject, ASN1_OBJECT_free);
 111         ASN1_UTF8STRING_free(a->alias);
 112         ASN1_OCTET_STRING_free(a->keyid);
 113         ASN1_TYPE_free(a->other);
 114         Free(a);
 115 }
 116
 117 int i2d_X509_CERT_AUX(X509_CERT_AUX *a, unsigned char **pp)
 118 {
 119         M_ASN1_I2D_vars(a);
 120
 121         M_ASN1_I2D_len_SEQUENCE_opt_type(ASN1_OBJECT, a->trust, i2d_ASN1_OBJECT);
 122         M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(ASN1_OBJECT, a->reject, i2d_ASN1_OBJECT, 0);
 123
 124         M_ASN1_I2D_len(a->alias, i2d_ASN1_UTF8STRING);
 125         M_ASN1_I2D_len(a->keyid, i2d_ASN1_OCTET_STRING);
 126         M_ASN1_I2D_len(a->other, i2d_ASN1_TYPE);
 127
 128         M_ASN1_I2D_seq_total();
 129
 130         M_ASN1_I2D_put_SEQUENCE_opt_type(ASN1_OBJECT, a->trust, i2d_ASN1_OBJECT);
 131         M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(ASN1_OBJECT, a->reject, i2d_ASN1_OBJECT, 0);
 132
 133         M_ASN1_I2D_put(a->alias, i2d_ASN1_UTF8STRING);
 134         M_ASN1_I2D_put(a->keyid, i2d_ASN1_OCTET_STRING);
 135         M_ASN1_I2D_put(a->other, i2d_ASN1_TYPE);
 136
 137         M_ASN1_I2D_finish();
 138 }
 139
 140 static X509_CERT_AUX *aux_get(X509 *x)
 141 {
 142         if(!x) return NULL;
 143         if(!x->aux && !(x->aux = X509_CERT_AUX_new())) return NULL;
 144         return x->aux;
 145 }
 146
 147 int X509_alias_rset(X509 *x, unsigned char *name, int len)
 148 {
 149         X509_CERT_AUX *aux;
 150         if(!(aux = aux_get(x))) return 0;
 151         if(!aux->alias && !(aux->alias = ASN1_UTF8STRING_new())) return 0;
 152         return ASN1_STRING_set(aux->alias, name, len);
 153 }
 154
 155 unsigned char *X509_alias_iget(X509 *x, int *len)
 156 {
 157         if(!x->aux || !x->aux->alias) return NULL;
 158         if(len) *len = x->aux->alias->length;
 159         return x->aux->alias->data;
 160 }
 161
 162 int X509_radd_trust_object(X509 *x, ASN1_OBJECT *obj)
 163 {
 164         X509_CERT_AUX *aux;
 165         ASN1_OBJECT *objtmp;
 166         if(!(objtmp = OBJ_dup(obj))) return 0;
 167         if(!(aux = aux_get(x))) return 0;
 168         if(!aux->trust
 169                 && !(aux->trust = sk_ASN1_OBJECT_new_null())) return 0;
 170         return sk_ASN1_OBJECT_push(aux->trust, objtmp);
 171 }
 172
 173 int X509_radd_reject_object(X509 *x, ASN1_OBJECT *obj)
 174 {
 175         X509_CERT_AUX *aux;
 176         ASN1_OBJECT *objtmp;
 177         if(!(objtmp = OBJ_dup(obj))) return 0;
 178         if(!(aux = aux_get(x))) return 0;
 179         if(!aux->reject
 180                 && !(aux->reject = sk_ASN1_OBJECT_new_null())) return 0;
 181         return sk_ASN1_OBJECT_push(aux->reject, objtmp);
 182 }
 183
 184 void X509_trust_clear(X509 *x)
 185 {
 186         if(x->aux && x->aux->trust) {
 187                 sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free);
 188                 x->aux->trust = NULL;
 189         }
 190 }
 191
 192 void X509_reject_clear(X509 *x)
 193 {
 194         if(x->aux && x->aux->reject) {
 195                 sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free);
 196                 x->aux->reject = NULL;
 197         }
 198 }
 199