1 /* v3_sxnet.c */ 2 /* Written by Dr Stephen N Henson (steve (at) openssl.org) 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 (at) 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 (at) cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh (at) 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 const 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: %ld (0x%lX)", 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_ID_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) 263
