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(a,pp)
  73 GENERAL_NAME *a;
  74 unsigned char **pp;
  75 {
  76         unsigned char *p;
  77         int ret;
  78
  79         ret = 0;
  80
  81         /* Save the location of initial TAG */
  82         if(pp) p = *pp;
  83         else p = NULL;
  84
  85         /* GEN_DNAME needs special treatment because of EXPLICIT tag */
  86
  87         if(a->type == GEN_DIRNAME) {
  88                 int v = 0;
  89                 M_ASN1_I2D_len_EXP_opt(a->d.dirn, i2d_X509_NAME, 4, v);
  90                 if(!p) return ret;
  91                 M_ASN1_I2D_put_EXP_opt(a->d.dirn, i2d_X509_NAME, 4, v);
  92                 *pp = p;
  93                 return ret;
  94         }
  95
  96         switch(a->type) {
  97
  98                 case GEN_OTHERNAME:
  99                 case GEN_X400:
 100                 case GEN_EDIPARTY:
 101                 ret = i2d_ASN1_TYPE(a->d.other, pp);
 102                 break;
 103
 104                 case GEN_EMAIL:
 105                 case GEN_DNS:
 106                 case GEN_URI:
 107                 ret = i2d_ASN1_IA5STRING(a->d.ia5, pp);
 108                 break;
 109
 110                 case GEN_IPADD:
 111                 ret = i2d_ASN1_OCTET_STRING(a->d.ip, pp);
 112                 break;
 113
 114                 case GEN_RID:
 115                 ret = i2d_ASN1_OBJECT(a->d.rid, pp);
 116                 break;
 117         }
 118         /* Replace TAG with IMPLICIT value */
 119         if(p) *p = (*p & V_ASN1_CONSTRUCTED) | a->type;
 120         return ret;
 121 }
 122
 123 GENERAL_NAME *GENERAL_NAME_new()
 124 {
 125         GENERAL_NAME *ret=NULL;
 126         ASN1_CTX c;
 127         M_ASN1_New_Malloc(ret, GENERAL_NAME);
 128         ret->type = -1;
 129         ret->d.ptr = NULL;
 130         return (ret);
 131         M_ASN1_New_Error(ASN1_F_GENERAL_NAME_NEW);
 132 }
 133
 134 GENERAL_NAME *d2i_GENERAL_NAME(a,pp,length)
 135 GENERAL_NAME **a;
 136 unsigned char **pp;
 137 long length;
 138 {
 139         unsigned char _tmp;
 140         M_ASN1_D2I_vars(a,GENERAL_NAME *,GENERAL_NAME_new);
 141         M_ASN1_D2I_Init();
 142         c.slen = length;
 143
 144         _tmp = M_ASN1_next;
 145         ret->type = _tmp & ~V_ASN1_CONSTRUCTED;
 146
 147         switch(ret->type) {
 148                 /* Just put these in a "blob" for now */
 149                 case GEN_OTHERNAME:
 150                 case GEN_X400:
 151                 case GEN_EDIPARTY:
 152                 M_ASN1_D2I_get_imp(ret->d.other, d2i_ASN1_TYPE,V_ASN1_SEQUENCE);
 153                 break;
 154
 155                 case GEN_EMAIL:
 156                 case GEN_DNS:
 157                 case GEN_URI:
 158                 M_ASN1_D2I_get_imp(ret->d.ia5, d2i_ASN1_IA5STRING,
 159                                                         V_ASN1_IA5STRING);
 160                 break;
 161
 162                 case GEN_DIRNAME:
 163                 M_ASN1_D2I_get_EXP_opt(ret->d.dirn, d2i_X509_NAME, 4);
 164                 break;
 165
 166                 case GEN_IPADD:
 167                 M_ASN1_D2I_get_imp(ret->d.ip, d2i_ASN1_OCTET_STRING,
 168                                                         V_ASN1_OCTET_STRING);
 169                 break;
 170
 171                 case GEN_RID:
 172                 M_ASN1_D2I_get_imp(ret->d.rid, d2i_ASN1_OBJECT,V_ASN1_OBJECT);
 173                 break;
 174
 175                 default:
 176                 c.error = ASN1_R_BAD_TAG;
 177                 goto err;
 178         }
 179
 180         c.slen = 0;
 181         M_ASN1_D2I_Finish(a, GENERAL_NAME_free, ASN1_F_D2I_GENERAL_NAME);
 182 }
 183
 184 void GENERAL_NAME_free(a)
 185 GENERAL_NAME *a;
 186 {
 187         if (a == NULL) return;
 188         switch(a->type) {
 189                 case GEN_OTHERNAME:
 190                 case GEN_X400:
 191                 case GEN_EDIPARTY:
 192                 ASN1_TYPE_free(a->d.other);
 193                 break;
 194
 195                 case GEN_EMAIL:
 196                 case GEN_DNS:
 197                 case GEN_URI:
 198
 199                 ASN1_IA5STRING_free(a->d.ia5);
 200                 break;
 201
 202                 case GEN_DIRNAME:
 203                 X509_NAME_free(a->d.dirn);
 204                 break;
 205
 206                 case GEN_IPADD:
 207                 ASN1_OCTET_STRING_free(a->d.ip);
 208                 break;
 209
 210                 case GEN_RID:
 211                 ASN1_OBJECT_free(a->d.rid);
 212                 break;
 213
 214         }
 215         Free ((char *)a);
 216 }
 217
 218 /* Now the GeneralNames versions: a SEQUENCE OF GeneralName These are needed as
 219  * an explicit functions.
 220  */
 221
 222 STACK *GENERAL_NAMES_new()
 223 {
 224         return sk_new(NULL);
 225 }
 226
 227 void GENERAL_NAMES_free(a)
 228 STACK *a;
 229 {
 230         sk_pop_free(a, GENERAL_NAME_free);
 231 }
 232
 233 STACK *d2i_GENERAL_NAMES(a,pp,length)
 234 STACK **a;
 235 unsigned char **pp;
 236 long length;
 237 {
 238 return d2i_ASN1_SET(a, pp, length, (char *(*)())d2i_GENERAL_NAME,
 239                          GENERAL_NAME_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
 240 }
 241
 242 int i2d_GENERAL_NAMES(a,pp)
 243 STACK *a;
 244 unsigned char **pp;
 245 {
 246 return i2d_ASN1_SET(a, pp, i2d_GENERAL_NAME, V_ASN1_SEQUENCE,
 247                                                  V_ASN1_UNIVERSAL, IS_SEQUENCE);
 248 }