crypto/openssl-0.9.7d/crypto/x509v3/v3_sxnet.c

   1 /* v3_sxnet.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 "cryptlib.h"
  61 #include <openssl/conf.h>
  62 #include <openssl/asn1.h>
  63 #include <openssl/asn1t.h>
  64 #include <openssl/x509v3.h>
  65
  66 /* Support for Thawte strong extranet extension */
  67
  68 #define SXNET_TEST
  69
  70 static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out, int indent);
  71 #ifdef SXNET_TEST
  72 static SXNET * sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
  73                                                 STACK_OF(CONF_VALUE) *nval);
  74 #endif
  75 X509V3_EXT_METHOD v3_sxnet = {
  76 NID_sxnet, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(SXNET),
  77 0,0,0,0,
  78 0,0,
  79 0,
  80 #ifdef SXNET_TEST
  81 (X509V3_EXT_V2I)sxnet_v2i,
  82 #else
  83 0,
  84 #endif
  85 (X509V3_EXT_I2R)sxnet_i2r,
  86 0,
  87 NULL
  88 };
  89
  90 ASN1_SEQUENCE(SXNETID) = {
  91         ASN1_SIMPLE(SXNETID, zone, ASN1_INTEGER),
  92         ASN1_SIMPLE(SXNETID, user, ASN1_OCTET_STRING)
  93 } ASN1_SEQUENCE_END(SXNETID)
  94
  95 IMPLEMENT_ASN1_FUNCTIONS(SXNETID)
  96
  97 ASN1_SEQUENCE(SXNET) = {
  98         ASN1_SIMPLE(SXNET, version, ASN1_INTEGER),
  99         ASN1_SEQUENCE_OF(SXNET, ids, SXNETID)
 100 } ASN1_SEQUENCE_END(SXNET)
 101
 102 IMPLEMENT_ASN1_FUNCTIONS(SXNET)
 103
 104 static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out,
 105              int indent)
 106 {
 107         long v;
 108         char *tmp;
 109         SXNETID *id;
 110         int i;
 111         v = ASN1_INTEGER_get(sx->version);
 112         BIO_printf(out, "%*sVersion: %d (0x%X)", indent, "", v + 1, v);
 113         for(i = 0; i < sk_SXNETID_num(sx->ids); i++) {
 114                 id = sk_SXNETID_value(sx->ids, i);
 115                 tmp = i2s_ASN1_INTEGER(NULL, id->zone);
 116                 BIO_printf(out, "\n%*sZone: %s, User: ", indent, "", tmp);
 117                 OPENSSL_free(tmp);
 118                 M_ASN1_OCTET_STRING_print(out, id->user);
 119         }
 120         return 1;
 121 }
 122
 123 #ifdef SXNET_TEST
 124
 125 /* NBB: this is used for testing only. It should *not* be used for anything
 126  * else because it will just take static IDs from the configuration file and
 127  * they should really be separate values for each user.
 128  */
 129
 130
 131 static SXNET * sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
 132              STACK_OF(CONF_VALUE) *nval)
 133 {
 134         CONF_VALUE *cnf;
 135         SXNET *sx = NULL;
 136         int i;
 137         for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
 138                 cnf = sk_CONF_VALUE_value(nval, i);
 139                 if(!SXNET_add_id_asc(&sx, cnf->name, cnf->value, -1))
 140                                                                  return NULL;
 141         }
 142         return sx;
 143 }
 144
 145
 146 #endif
 147
 148 /* Strong Extranet utility functions */
 149
 150 /* Add an id given the zone as an ASCII number */
 151
 152 int SXNET_add_id_asc(SXNET **psx, char *zone, char *user,
 153              int userlen)
 154 {
 155         ASN1_INTEGER *izone = NULL;
 156         if(!(izone = s2i_ASN1_INTEGER(NULL, zone))) {
 157                 X509V3err(X509V3_F_SXNET_ADD_ASC,X509V3_R_ERROR_CONVERTING_ZONE);
 158                 return 0;
 159         }
 160         return SXNET_add_id_INTEGER(psx, izone, user, userlen);
 161 }
 162
 163 /* Add an id given the zone as an unsigned long */
 164
 165 int SXNET_add_id_ulong(SXNET **psx, unsigned long lzone, char *user,
 166              int userlen)
 167 {
 168         ASN1_INTEGER *izone = NULL;
 169         if(!(izone = M_ASN1_INTEGER_new()) || !ASN1_INTEGER_set(izone, lzone)) {
 170                 X509V3err(X509V3_F_SXNET_ADD_ID_ULONG,ERR_R_MALLOC_FAILURE);
 171                 M_ASN1_INTEGER_free(izone);
 172                 return 0;
 173         }
 174         return SXNET_add_id_INTEGER(psx, izone, user, userlen);
 175
 176 }
 177
 178 /* Add an id given the zone as an ASN1_INTEGER.
 179  * Note this version uses the passed integer and doesn't make a copy so don't
 180  * free it up afterwards.
 181  */
 182
 183 int SXNET_add_id_INTEGER(SXNET **psx, ASN1_INTEGER *zone, char *user,
 184              int userlen)
 185 {
 186         SXNET *sx = NULL;
 187         SXNETID *id = NULL;
 188         if(!psx || !zone || !user) {
 189                 X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,X509V3_R_INVALID_NULL_ARGUMENT);
 190                 return 0;
 191         }
 192         if(userlen == -1) userlen = strlen(user);
 193         if(userlen > 64) {
 194                 X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,X509V3_R_USER_TOO_LONG);
 195                 return 0;
 196         }
 197         if(!*psx) {
 198                 if(!(sx = SXNET_new())) goto err;
 199                 if(!ASN1_INTEGER_set(sx->version, 0)) goto err;
 200                 *psx = sx;
 201         } else sx = *psx;
 202         if(SXNET_get_id_INTEGER(sx, zone)) {
 203                 X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,X509V3_R_DUPLICATE_ZONE_ID);
 204                 return 0;
 205         }
 206
 207         if(!(id = SXNETID_new())) goto err;
 208         if(userlen == -1) userlen = strlen(user);
 209
 210         if(!M_ASN1_OCTET_STRING_set(id->user, user, userlen)) goto err;
 211         if(!sk_SXNETID_push(sx->ids, id)) goto err;
 212         id->zone = zone;
 213         return 1;
 214
 215         err:
 216         X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,ERR_R_MALLOC_FAILURE);
 217         SXNETID_free(id);
 218         SXNET_free(sx);
 219         *psx = NULL;
 220         return 0;
 221 }
 222
 223 ASN1_OCTET_STRING *SXNET_get_id_asc(SXNET *sx, char *zone)
 224 {
 225         ASN1_INTEGER *izone = NULL;
 226         ASN1_OCTET_STRING *oct;
 227         if(!(izone = s2i_ASN1_INTEGER(NULL, zone))) {
 228                 X509V3err(X509V3_F_SXNET_GET_ID_ASC,X509V3_R_ERROR_CONVERTING_ZONE);
 229                 return NULL;
 230         }
 231         oct = SXNET_get_id_INTEGER(sx, izone);
 232         M_ASN1_INTEGER_free(izone);
 233         return oct;
 234 }
 235
 236 ASN1_OCTET_STRING *SXNET_get_id_ulong(SXNET *sx, unsigned long lzone)
 237 {
 238         ASN1_INTEGER *izone = NULL;
 239         ASN1_OCTET_STRING *oct;
 240         if(!(izone = M_ASN1_INTEGER_new()) || !ASN1_INTEGER_set(izone, lzone)) {
 241                 X509V3err(X509V3_F_SXNET_GET_ID_ULONG,ERR_R_MALLOC_FAILURE);
 242                 M_ASN1_INTEGER_free(izone);
 243                 return NULL;
 244         }
 245         oct = SXNET_get_id_INTEGER(sx, izone);
 246         M_ASN1_INTEGER_free(izone);
 247         return oct;
 248 }
 249
 250 ASN1_OCTET_STRING *SXNET_get_id_INTEGER(SXNET *sx, ASN1_INTEGER *zone)
 251 {
 252         SXNETID *id;
 253         int i;
 254         for(i = 0; i < sk_SXNETID_num(sx->ids); i++) {
 255                 id = sk_SXNETID_value(sx->ids, i);
 256                 if(!M_ASN1_INTEGER_cmp(id->zone, zone)) return id->user;
 257         }
 258         return NULL;
 259 }
 260
 261 IMPLEMENT_STACK_OF(SXNETID)
 262 IMPLEMENT_ASN1_SET_OF(SXNETID)