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 "asn1.h"
  63 #include "asn1_mac.h"
  64 #include "conf.h"
  65 #include "x509v3.h"
  66
  67 /*
  68  * ASN1err(ASN1_F_GENERAL_NAME_NEW,ERR_R_MALLOC_FAILURE);
  69  * ASN1err(ASN1_F_D2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
  70  */
  71
  72 int i2d_GENERAL_NAME(GENERAL_NAME *a, unsigned char **pp)
  73 {
  74         unsigned char *p;
  75         int ret;
  76
  77         ret = 0;
  78
  79         /* Save the location of initial TAG */
  80         if(pp) p = *pp;
  81         else p = NULL;
  82
  83         /* GEN_DNAME needs special treatment because of EXPLICIT tag */
  84
  85         if(a->type == GEN_DIRNAME) {
  86                 int v = 0;
  87                 M_ASN1_I2D_len_EXP_opt(a->d.dirn, i2d_X509_NAME, 4, v);
  88                 if(!p) return ret;
  89                 M_ASN1_I2D_put_EXP_opt(a->d.dirn, i2d_X509_NAME, 4, v);
  90                 *pp = p;
  91                 return ret;
  92         }
  93
  94         switch(a->type) {
  95
  96                 case GEN_OTHERNAME:
  97                 case GEN_X400:
  98                 case GEN_EDIPARTY:
  99                 ret = i2d_ASN1_TYPE(a->d.other, pp);
 100                 break;
 101
 102                 case GEN_EMAIL:
 103                 case GEN_DNS:
 104                 case GEN_URI:
 105                 ret = i2d_ASN1_IA5STRING(a->d.ia5, pp);
 106                 break;
 107
 108                 case GEN_IPADD:
 109                 ret = i2d_ASN1_OCTET_STRING(a->d.ip, pp);
 110                 break;
 111
 112                 case GEN_RID:
 113                 ret = i2d_ASN1_OBJECT(a->d.rid, pp);
 114                 break;
 115         }
 116         /* Replace TAG with IMPLICIT value */
 117         if(p) *p = (*p & V_ASN1_CONSTRUCTED) | a->type;
 118         return ret;
 119 }
 120
 121 GENERAL_NAME *GENERAL_NAME_new(void)
 122 {
 123         GENERAL_NAME *ret=NULL;
 124         ASN1_CTX c;
 125         M_ASN1_New_Malloc(ret, GENERAL_NAME);
 126         ret->type = -1;
 127         ret->d.ptr = NULL;
 128         return (ret);
 129         M_ASN1_New_Error(ASN1_F_GENERAL_NAME_NEW);
 130 }
 131
 132 GENERAL_NAME *d2i_GENERAL_NAME(GENERAL_NAME **a, unsigned char **pp,
 133              long length)
 134 {
 135         unsigned char _tmp;
 136         M_ASN1_D2I_vars(a,GENERAL_NAME *,GENERAL_NAME_new);
 137         M_ASN1_D2I_Init();
 138         c.slen = length;
 139
 140         _tmp = M_ASN1_next;
 141         ret->type = _tmp & ~V_ASN1_CONSTRUCTED;
 142
 143         switch(ret->type) {
 144                 /* Just put these in a "blob" for now */
 145                 case GEN_OTHERNAME:
 146                 case GEN_X400:
 147                 case GEN_EDIPARTY:
 148                 M_ASN1_D2I_get_imp(ret->d.other, d2i_ASN1_TYPE,V_ASN1_SEQUENCE);
 149                 break;
 150
 151                 case GEN_EMAIL:
 152                 case GEN_DNS:
 153                 case GEN_URI:
 154                 M_ASN1_D2I_get_imp(ret->d.ia5, d2i_ASN1_IA5STRING,
 155                                                         V_ASN1_IA5STRING);
 156                 break;
 157
 158                 case GEN_DIRNAME:
 159                 M_ASN1_D2I_get_EXP_opt(ret->d.dirn, d2i_X509_NAME, 4);
 160                 break;
 161
 162                 case GEN_IPADD:
 163                 M_ASN1_D2I_get_imp(ret->d.ip, d2i_ASN1_OCTET_STRING,
 164                                                         V_ASN1_OCTET_STRING);
 165                 break;
 166
 167                 case GEN_RID:
 168                 M_ASN1_D2I_get_imp(ret->d.rid, d2i_ASN1_OBJECT,V_ASN1_OBJECT);
 169                 break;
 170
 171                 default:
 172                 c.error = ASN1_R_BAD_TAG;
 173                 goto err;
 174         }
 175
 176         c.slen = 0;
 177         M_ASN1_D2I_Finish(a, GENERAL_NAME_free, ASN1_F_D2I_GENERAL_NAME);
 178 }
 179
 180 void GENERAL_NAME_free(GENERAL_NAME *a)
 181 {
 182         if (a == NULL) return;
 183         switch(a->type) {
 184                 case GEN_OTHERNAME:
 185                 case GEN_X400:
 186                 case GEN_EDIPARTY:
 187                 ASN1_TYPE_free(a->d.other);
 188                 break;
 189
 190                 case GEN_EMAIL:
 191                 case GEN_DNS:
 192                 case GEN_URI:
 193
 194                 ASN1_IA5STRING_free(a->d.ia5);
 195                 break;
 196
 197                 case GEN_DIRNAME:
 198                 X509_NAME_free(a->d.dirn);
 199                 break;
 200
 201                 case GEN_IPADD:
 202                 ASN1_OCTET_STRING_free(a->d.ip);
 203                 break;
 204
 205                 case GEN_RID:
 206                 ASN1_OBJECT_free(a->d.rid);
 207                 break;
 208
 209         }
 210         Free ((char *)a);
 211 }
 212
 213 /* Now the GeneralNames versions: a SEQUENCE OF GeneralName These are needed as
 214  * an explicit functions.
 215  */
 216
 217 STACK *GENERAL_NAMES_new(void)
 218 {
 219         return sk_new(NULL);
 220 }
 221
 222 void GENERAL_NAMES_free(STACK *a)
 223 {
 224         sk_pop_free(a, GENERAL_NAME_free);
 225 }
 226
 227 STACK *d2i_GENERAL_NAMES(STACK **a, unsigned char **pp, long length)
 228 {
 229 return d2i_ASN1_SET(a, pp, length, (char *(*)())d2i_GENERAL_NAME,
 230                          GENERAL_NAME_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
 231 }
 232
 233 int i2d_GENERAL_NAMES(STACK *a, unsigned char **pp)
 234 {
 235 return i2d_ASN1_SET(a, pp, i2d_GENERAL_NAME, V_ASN1_SEQUENCE,
 236                                                  V_ASN1_UNIVERSAL, IS_SEQUENCE);
 237 }