crypto/x509v3/v3_alt.c

   1 /* v3_alt.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 <stdlib.h>
  61 #include <pem.h>
  62 #include <asn1_mac.h>
  63 #include <err.h>
  64 #include <objects.h>
  65 #include <conf.h>
  66 #include "x509v3.h"
  67
  68 X509V3_EXT_METHOD v3_alt[] = {
  69 { NID_subject_alt_name, 0,
  70 (X509V3_EXT_NEW)GENERAL_NAMES_new,
  71 GENERAL_NAMES_free,
  72 (X509V3_EXT_D2I)d2i_GENERAL_NAMES,
  73 i2d_GENERAL_NAMES,
  74 NULL, NULL,
  75 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
  76 (X509V3_EXT_V2I)v2i_GENERAL_NAMES,
  77 NULL, NULL},
  78 { NID_issuer_alt_name, 0,
  79 (X509V3_EXT_NEW)GENERAL_NAMES_new,
  80 GENERAL_NAMES_free,
  81 (X509V3_EXT_D2I)d2i_GENERAL_NAMES,
  82 i2d_GENERAL_NAMES,
  83 NULL, NULL,
  84 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
  85 (X509V3_EXT_V2I)v2i_GENERAL_NAMES,
  86 NULL, NULL},
  87 EXT_END
  88 };
  89
  90 STACK *i2v_GENERAL_NAMES(method, gens, ret)
  91 X509V3_EXT_METHOD *method;
  92 STACK *gens;
  93 STACK *ret;
  94 {
  95         int i;
  96         GENERAL_NAME *gen;
  97         for(i = 0; i < sk_num(gens); i++) {
  98                 gen = (GENERAL_NAME *)sk_value(gens, i);
  99                 ret = i2v_GENERAL_NAME(method, gen, ret);
 100         }
 101         return ret;
 102 }
 103
 104 STACK *i2v_GENERAL_NAME(method, gen, ret)
 105 X509V3_EXT_METHOD *method;
 106 GENERAL_NAME *gen;
 107 STACK *ret;
 108 {
 109         char oline[256];
 110         unsigned char *p;
 111         switch (gen->type)
 112         {
 113                 case GEN_OTHERNAME:
 114                 X509V3_add_value("othername","<unsupported>", &ret);
 115                 break;
 116
 117                 case GEN_X400:
 118                 X509V3_add_value("X400Name","<unsupported>", &ret);
 119                 break;
 120
 121                 case GEN_EDIPARTY:
 122                 X509V3_add_value("EdiPartyName","<unsupported>", &ret);
 123                 break;
 124
 125                 case GEN_EMAIL:
 126                 X509V3_add_value("email",gen->d.ia5->data, &ret);
 127                 break;
 128
 129                 case GEN_DNS:
 130                 X509V3_add_value("DNS",gen->d.ia5->data, &ret);
 131                 break;
 132
 133                 case GEN_URI:
 134                 X509V3_add_value("URI",gen->d.ia5->data, &ret);
 135                 break;
 136
 137                 case GEN_DIRNAME:
 138                 X509_NAME_oneline(gen->d.dirn, oline, 256);
 139                 X509V3_add_value("DirName",oline, &ret);
 140                 break;
 141
 142                 case GEN_IPADD:
 143                 p = gen->d.ip->data;
 144                 /* BUG: doesn't support IPV6 */
 145                 if(gen->d.ip->length != 4) {
 146                         X509V3_add_value("IP Address","<invalid>", &ret);
 147                         break;
 148                 }
 149                 sprintf(oline, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
 150                 X509V3_add_value("IP Address",oline, &ret);
 151                 break;
 152
 153                 case GEN_RID:
 154                 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
 155                 X509V3_add_value("Registered ID",oline, &ret);
 156                 break;
 157         }
 158         return ret;
 159 }
 160
 161 STACK *v2i_GENERAL_NAMES(method, ctx, nval)
 162 X509V3_EXT_METHOD *method;
 163 X509V3_CTX *ctx;
 164 STACK *nval;
 165 {
 166         GENERAL_NAME *gen;
 167         STACK *gens = NULL;
 168         CONF_VALUE *cnf;
 169         int i;
 170         if(!(gens = sk_new(NULL))) {
 171                 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
 172                 return NULL;
 173         }
 174         for(i = 0; i < sk_num(nval); i++) {
 175                 cnf = (CONF_VALUE *)sk_value(nval, i);
 176                 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
 177                 sk_push(gens, (char *)gen);
 178         }
 179         return gens;
 180         err:
 181         sk_pop_free(gens, GENERAL_NAME_free);
 182         return NULL;
 183 }
 184
 185 GENERAL_NAME *v2i_GENERAL_NAME(method, ctx, cnf)
 186 X509V3_EXT_METHOD *method;
 187 X509V3_CTX *ctx;
 188 CONF_VALUE *cnf;
 189 {
 190 char is_string = 0;
 191 int type;
 192 GENERAL_NAME *gen = NULL;
 193
 194 char *name, *value;
 195
 196 name = cnf->name;
 197 value = cnf->value;
 198
 199 if(!(gen = GENERAL_NAME_new())) {
 200         X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
 201         return NULL;
 202 }
 203
 204 if(!name_cmp(name, "email")) {
 205         is_string = 1;
 206         type = GEN_EMAIL;
 207 } else if(!name_cmp(name, "URI")) {
 208         is_string = 1;
 209         type = GEN_URI;
 210 } else if(!name_cmp(name, "DNS")) {
 211         is_string = 1;
 212         type = GEN_DNS;
 213 } else if(!name_cmp(name, "RID")) {
 214         ASN1_OBJECT *obj;
 215         if(!(obj = OBJ_txt2obj(value,0))) {
 216                 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_OBJECT);
 217                 ERR_add_error_data(2, "value=", value);
 218                 goto err;
 219         }
 220         gen->d.rid = obj;
 221         type = GEN_RID;
 222 } else if(!name_cmp(name, "IP")) {
 223         int i1,i2,i3,i4;
 224         unsigned char ip[4];
 225         if((sscanf(value, "%d.%d.%d.%d",&i1,&i2,&i3,&i4) != 4) ||
 226             (i1 < 0) || (i1 > 255) || (i2 < 0) || (i2 > 255) ||
 227             (i3 < 0) || (i3 > 255) || (i4 < 0) || (i4 > 255) ) {
 228                 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_IP_ADDRESS);
 229                 ERR_add_error_data(2, "value=", value);
 230                 goto err;
 231         }
 232         ip[0] = i1; ip[1] = i2 ; ip[2] = i3 ; ip[3] = i4;
 233         if(!(gen->d.ip = ASN1_OCTET_STRING_new()) ||
 234                 !ASN1_STRING_set(gen->d.ip, ip, 4)) {
 235                         X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
 236                         goto err;
 237         }
 238         type = GEN_IPADD;
 239 } else {
 240         X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_UNSUPPORTED_OPTION);
 241         ERR_add_error_data(2, "name=", name);
 242         goto err;
 243 }
 244
 245 if(is_string) {
 246         if(!(gen->d.ia5 = ASN1_IA5STRING_new()) ||
 247                       !ASN1_STRING_set(gen->d.ia5, value, strlen(value))) {
 248                 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
 249                 goto err;
 250         }
 251 }
 252
 253 gen->type = type;
 254
 255 return gen;
 256
 257 err:
 258 GENERAL_NAME_free(gen);
 259 return NULL;
 260 }