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_X400:
  92                 case GEN_EDIPARTY:
  93                 ret = i2d_ASN1_TYPE(a->d.other, pp);
  94                 break;
  95
  96                 case GEN_OTHERNAME:
  97                 ret = i2d_OTHERNAME(a->d.otherName, pp);
  98                 break;
  99
 100                 case GEN_EMAIL:
 101                 case GEN_DNS:
 102                 case GEN_URI:
 103                 ret = i2d_ASN1_IA5STRING(a->d.ia5, pp);
 104                 break;
 105
 106                 case GEN_IPADD:
 107                 ret = i2d_ASN1_OCTET_STRING(a->d.ip, pp);
 108                 break;
 109
 110                 case GEN_RID:
 111                 ret = i2d_ASN1_OBJECT(a->d.rid, pp);
 112                 break;
 113         }
 114         /* Replace TAG with IMPLICIT value */
 115         if(p) *p = (*p & V_ASN1_CONSTRUCTED) | a->type;
 116         return ret;
 117 }
 118
 119 GENERAL_NAME *GENERAL_NAME_new()
 120 {
 121         GENERAL_NAME *ret=NULL;
 122         ASN1_CTX c;
 123         M_ASN1_New_Malloc(ret, GENERAL_NAME);
 124         ret->type = -1;
 125         ret->d.ptr = NULL;
 126         return (ret);
 127         M_ASN1_New_Error(ASN1_F_GENERAL_NAME_NEW);
 128 }
 129
 130 GENERAL_NAME *d2i_GENERAL_NAME(GENERAL_NAME **a, unsigned char **pp,
 131                                                                  long length)
 132 {
 133         unsigned char _tmp;
 134         M_ASN1_D2I_vars(a,GENERAL_NAME *,GENERAL_NAME_new);
 135         M_ASN1_D2I_Init();
 136         c.slen = length;
 137
 138         _tmp = M_ASN1_next;
 139         ret->type = _tmp & ~V_ASN1_CONSTRUCTED;
 140
 141         switch(ret->type) {
 142                 /* Just put these in a "blob" for now */
 143                 case GEN_X400:
 144                 case GEN_EDIPARTY:
 145                 M_ASN1_D2I_get_imp(ret->d.other, d2i_ASN1_TYPE,V_ASN1_SEQUENCE);
 146                 break;
 147
 148                 case GEN_OTHERNAME:
 149                 M_ASN1_D2I_get_imp(ret->d.otherName, d2i_OTHERNAME,V_ASN1_SEQUENCE);
 150                 break;
 151
 152                 case GEN_EMAIL:
 153                 case GEN_DNS:
 154                 case GEN_URI:
 155                 M_ASN1_D2I_get_imp(ret->d.ia5, d2i_ASN1_IA5STRING,
 156                                                         V_ASN1_IA5STRING);
 157                 break;
 158
 159                 case GEN_DIRNAME:
 160                 M_ASN1_D2I_get_EXP_opt(ret->d.dirn, d2i_X509_NAME, 4);
 161                 break;
 162
 163                 case GEN_IPADD:
 164                 M_ASN1_D2I_get_imp(ret->d.ip, d2i_ASN1_OCTET_STRING,
 165                                                         V_ASN1_OCTET_STRING);
 166                 break;
 167
 168                 case GEN_RID:
 169                 M_ASN1_D2I_get_imp(ret->d.rid, d2i_ASN1_OBJECT,V_ASN1_OBJECT);
 170                 break;
 171
 172                 default:
 173                 c.error = ASN1_R_BAD_TAG;
 174                 goto err;
 175         }
 176
 177         c.slen = 0;
 178         M_ASN1_D2I_Finish(a, GENERAL_NAME_free, ASN1_F_D2I_GENERAL_NAME);
 179 }
 180
 181 void GENERAL_NAME_free(GENERAL_NAME *a)
 182 {
 183         if (a == NULL) return;
 184         switch(a->type) {
 185                 case GEN_X400:
 186                 case GEN_EDIPARTY:
 187                 ASN1_TYPE_free(a->d.other);
 188                 break;
 189
 190                 case GEN_OTHERNAME:
 191                 OTHERNAME_free(a->d.otherName);
 192                 break;
 193
 194                 case GEN_EMAIL:
 195                 case GEN_DNS:
 196                 case GEN_URI:
 197
 198                 M_ASN1_IA5STRING_free(a->d.ia5);
 199                 break;
 200
 201                 case GEN_DIRNAME:
 202                 X509_NAME_free(a->d.dirn);
 203                 break;
 204
 205                 case GEN_IPADD:
 206                 M_ASN1_OCTET_STRING_free(a->d.ip);
 207                 break;
 208
 209                 case GEN_RID:
 210                 ASN1_OBJECT_free(a->d.rid);
 211                 break;
 212
 213         }
 214         OPENSSL_free (a);
 215 }
 216
 217 /* Now the GeneralNames versions: a SEQUENCE OF GeneralName. These are needed as
 218  * explicit functions.
 219  */
 220
 221 STACK_OF(GENERAL_NAME) *GENERAL_NAMES_new()
 222 {
 223         return sk_GENERAL_NAME_new(NULL);
 224 }
 225
 226 void GENERAL_NAMES_free(STACK_OF(GENERAL_NAME) *a)
 227 {
 228         sk_GENERAL_NAME_pop_free(a, GENERAL_NAME_free);
 229 }
 230
 231 STACK_OF(GENERAL_NAME) *d2i_GENERAL_NAMES(STACK_OF(GENERAL_NAME) **a,
 232                                          unsigned char **pp, long length)
 233 {
 234 return d2i_ASN1_SET_OF_GENERAL_NAME(a, pp, length, d2i_GENERAL_NAME,
 235                          GENERAL_NAME_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
 236 }
 237
 238 int i2d_GENERAL_NAMES(STACK_OF(GENERAL_NAME) *a, unsigned char **pp)
 239 {
 240 return i2d_ASN1_SET_OF_GENERAL_NAME(a, pp, i2d_GENERAL_NAME, V_ASN1_SEQUENCE,
 241                                                  V_ASN1_UNIVERSAL, IS_SEQUENCE);
 242 }
 243
 244 IMPLEMENT_STACK_OF(GENERAL_NAME)
 245 IMPLEMENT_ASN1_SET_OF(GENERAL_NAME)
 246
 247 int i2d_OTHERNAME(OTHERNAME *a, unsigned char **pp)
 248 {
 249         int v = 0;
 250         M_ASN1_I2D_vars(a);
 251
 252         M_ASN1_I2D_len(a->type_id, i2d_ASN1_OBJECT);
 253         M_ASN1_I2D_len_EXP_opt(a->value, i2d_ASN1_TYPE, 0, v);
 254
 255         M_ASN1_I2D_seq_total();
 256
 257         M_ASN1_I2D_put(a->type_id, i2d_ASN1_OBJECT);
 258         M_ASN1_I2D_put_EXP_opt(a->value, i2d_ASN1_TYPE, 0, v);
 259
 260         M_ASN1_I2D_finish();
 261 }
 262
 263 OTHERNAME *OTHERNAME_new(void)
 264 {
 265         OTHERNAME *ret=NULL;
 266         ASN1_CTX c;
 267         M_ASN1_New_Malloc(ret, OTHERNAME);
 268         ret->type_id = OBJ_nid2obj(NID_undef);
 269         M_ASN1_New(ret->value, ASN1_TYPE_new);
 270         return (ret);
 271         M_ASN1_New_Error(ASN1_F_OTHERNAME_NEW);
 272 }
 273
 274 OTHERNAME *d2i_OTHERNAME(OTHERNAME **a, unsigned char **pp, long length)
 275 {
 276         M_ASN1_D2I_vars(a,OTHERNAME *,OTHERNAME_new);
 277         M_ASN1_D2I_Init();
 278         M_ASN1_D2I_start_sequence();
 279         M_ASN1_D2I_get(ret->type_id, d2i_ASN1_OBJECT);
 280         M_ASN1_D2I_get_EXP_opt(ret->value, d2i_ASN1_TYPE, 0);
 281         M_ASN1_D2I_Finish(a, OTHERNAME_free, ASN1_F_D2I_OTHERNAME);
 282 }
 283
 284 void OTHERNAME_free(OTHERNAME *a)
 285 {
 286         if (a == NULL) return;
 287         ASN1_OBJECT_free(a->type_id);
 288         ASN1_TYPE_free(a->value);
 289         OPENSSL_free (a);
 290 }
 291