crypto/x509v3/v3_genn.c

   1 /* v3_genn.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
  60 #include <stdio.h>
  61 #include "cryptlib.h"
  62 #include <openssl/asn1.h>
  63 #include <openssl/asn1_mac.h>
  64 #include <openssl/conf.h>
  65 #include <openssl/x509v3.h>
  66
  67 int i2d_GENERAL_NAME(GENERAL_NAME *a, unsigned char **pp)
  68 {
  69         unsigned char *p;
  70         int ret;
  71
  72         ret = 0;
  73
  74         /* Save the location of initial TAG */
  75         if(pp) p = *pp;
  76         else p = NULL;
  77
  78         /* GEN_DNAME needs special treatment because of EXPLICIT tag */
  79
  80         if(a->type == GEN_DIRNAME) {
  81                 int v = 0;
  82                 M_ASN1_I2D_len_EXP_opt(a->d.dirn, i2d_X509_NAME, 4, v);
  83                 if(!p) return ret;
  84                 M_ASN1_I2D_put_EXP_opt(a->d.dirn, i2d_X509_NAME, 4, v);
  85                 *pp = p;
  86                 return ret;
  87         }
  88
  89         switch(a->type) {
  90
  91                 case GEN_OTHERNAME:
  92                 case GEN_X400:
  93                 case GEN_EDIPARTY:
  94                 ret = i2d_ASN1_TYPE(a->d.other, pp);
  95                 break;
  96
  97                 case GEN_EMAIL:
  98                 case GEN_DNS:
  99                 case GEN_URI:
 100                 ret = i2d_ASN1_IA5STRING(a->d.ia5, pp);
 101                 break;
 102
 103                 case GEN_IPADD:
 104                 ret = i2d_ASN1_OCTET_STRING(a->d.ip, pp);
 105                 break;
 106
 107                 case GEN_RID:
 108                 ret = i2d_ASN1_OBJECT(a->d.rid, pp);
 109                 break;
 110         }
 111         /* Replace TAG with IMPLICIT value */
 112         if(p) *p = (*p & V_ASN1_CONSTRUCTED) | a->type;
 113         return ret;
 114 }
 115
 116 GENERAL_NAME *GENERAL_NAME_new()
 117 {
 118         GENERAL_NAME *ret=NULL;
 119         ASN1_CTX c;
 120         M_ASN1_New_Malloc(ret, GENERAL_NAME);
 121         ret->type = -1;
 122         ret->d.ptr = NULL;
 123         return (ret);
 124         M_ASN1_New_Error(ASN1_F_GENERAL_NAME_NEW);
 125 }
 126
 127 GENERAL_NAME *d2i_GENERAL_NAME(GENERAL_NAME **a, unsigned char **pp,
 128                                                                  long length)
 129 {
 130         unsigned char _tmp;
 131         M_ASN1_D2I_vars(a,GENERAL_NAME *,GENERAL_NAME_new);
 132         M_ASN1_D2I_Init();
 133         c.slen = length;
 134
 135         _tmp = M_ASN1_next;
 136         ret->type = _tmp & ~V_ASN1_CONSTRUCTED;
 137
 138         switch(ret->type) {
 139                 /* Just put these in a "blob" for now */
 140                 case GEN_OTHERNAME:
 141                 case GEN_X400:
 142                 case GEN_EDIPARTY:
 143                 M_ASN1_D2I_get_imp(ret->d.other, d2i_ASN1_TYPE,V_ASN1_SEQUENCE);
 144                 break;
 145
 146                 case GEN_EMAIL:
 147                 case GEN_DNS:
 148                 case GEN_URI:
 149                 M_ASN1_D2I_get_imp(ret->d.ia5, d2i_ASN1_IA5STRING,
 150                                                         V_ASN1_IA5STRING);
 151                 break;
 152
 153                 case GEN_DIRNAME:
 154                 M_ASN1_D2I_get_EXP_opt(ret->d.dirn, d2i_X509_NAME, 4);
 155                 break;
 156
 157                 case GEN_IPADD:
 158                 M_ASN1_D2I_get_imp(ret->d.ip, d2i_ASN1_OCTET_STRING,
 159                                                         V_ASN1_OCTET_STRING);
 160                 break;
 161
 162                 case GEN_RID:
 163                 M_ASN1_D2I_get_imp(ret->d.rid, d2i_ASN1_OBJECT,V_ASN1_OBJECT);
 164                 break;
 165
 166                 default:
 167                 c.error = ASN1_R_BAD_TAG;
 168                 goto err;
 169         }
 170
 171         c.slen = 0;
 172         M_ASN1_D2I_Finish(a, GENERAL_NAME_free, ASN1_F_D2I_GENERAL_NAME);
 173 }
 174
 175 void GENERAL_NAME_free(GENERAL_NAME *a)
 176 {
 177         if (a == NULL) return;
 178         switch(a->type) {
 179                 case GEN_OTHERNAME:
 180                 case GEN_X400:
 181                 case GEN_EDIPARTY:
 182                 ASN1_TYPE_free(a->d.other);
 183                 break;
 184
 185                 case GEN_EMAIL:
 186                 case GEN_DNS:
 187                 case GEN_URI:
 188
 189                 ASN1_IA5STRING_free(a->d.ia5);
 190                 break;
 191
 192                 case GEN_DIRNAME:
 193                 X509_NAME_free(a->d.dirn);
 194                 break;
 195
 196                 case GEN_IPADD:
 197                 ASN1_OCTET_STRING_free(a->d.ip);
 198                 break;
 199
 200                 case GEN_RID:
 201                 ASN1_OBJECT_free(a->d.rid);
 202                 break;
 203
 204         }
 205         Free ((char *)a);
 206 }
 207
 208 /* Now the GeneralNames versions: a SEQUENCE OF GeneralName These are needed as
 209  * an explicit functions.
 210  */
 211
 212 STACK_OF(GENERAL_NAME) *GENERAL_NAMES_new()
 213 {
 214         return sk_GENERAL_NAME_new(NULL);
 215 }
 216
 217 void GENERAL_NAMES_free(STACK_OF(GENERAL_NAME) *a)
 218 {
 219         sk_GENERAL_NAME_pop_free(a, GENERAL_NAME_free);
 220 }
 221
 222 STACK_OF(GENERAL_NAME) *d2i_GENERAL_NAMES(STACK_OF(GENERAL_NAME) **a,
 223                                          unsigned char **pp, long length)
 224 {
 225 return d2i_ASN1_SET_OF_GENERAL_NAME(a, pp, length, d2i_GENERAL_NAME,
 226                          GENERAL_NAME_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
 227 }
 228
 229 int i2d_GENERAL_NAMES(STACK_OF(GENERAL_NAME) *a, unsigned char **pp)
 230 {
 231 return i2d_ASN1_SET_OF_GENERAL_NAME(a, pp, i2d_GENERAL_NAME, V_ASN1_SEQUENCE,
 232                                                  V_ASN1_UNIVERSAL, IS_SEQUENCE);
 233 }
 234
 235 IMPLEMENT_STACK_OF(GENERAL_NAME)
 236 IMPLEMENT_ASN1_SET_OF(GENERAL_NAME)
 237