v3_sxnet.c
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- /* v3_sxnet.c */
- /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 1999.
- */
- /* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
- #include <stdio.h>
- #include "cryptlib.h"
- #include <openssl/conf.h>
- #include <openssl/asn1.h>
- #include <openssl/asn1t.h>
- #include <openssl/x509v3.h>
- /* Support for Thawte strong extranet extension */
- #define SXNET_TEST
- static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out, int indent);
- #ifdef SXNET_TEST
- static SXNET * sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
- STACK_OF(CONF_VALUE) *nval);
- #endif
- X509V3_EXT_METHOD v3_sxnet = {
- NID_sxnet, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(SXNET),
- 0,0,0,0,
- 0,0,
- 0,
- #ifdef SXNET_TEST
- (X509V3_EXT_V2I)sxnet_v2i,
- #else
- 0,
- #endif
- (X509V3_EXT_I2R)sxnet_i2r,
- 0,
- NULL
- };
- ASN1_SEQUENCE(SXNETID) = {
- ASN1_SIMPLE(SXNETID, zone, ASN1_INTEGER),
- ASN1_SIMPLE(SXNETID, user, ASN1_OCTET_STRING)
- } ASN1_SEQUENCE_END(SXNETID)
- IMPLEMENT_ASN1_FUNCTIONS(SXNETID)
- ASN1_SEQUENCE(SXNET) = {
- ASN1_SIMPLE(SXNET, version, ASN1_INTEGER),
- ASN1_SEQUENCE_OF(SXNET, ids, SXNETID)
- } ASN1_SEQUENCE_END(SXNET)
- IMPLEMENT_ASN1_FUNCTIONS(SXNET)
- static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out,
- int indent)
- {
- long v;
- char *tmp;
- SXNETID *id;
- int i;
- v = ASN1_INTEGER_get(sx->version);
- BIO_printf(out, "%*sVersion: %ld (0x%lX)", indent, "", v + 1, v);
- for(i = 0; i < sk_SXNETID_num(sx->ids); i++) {
- id = sk_SXNETID_value(sx->ids, i);
- tmp = i2s_ASN1_INTEGER(NULL, id->zone);
- BIO_printf(out, "n%*sZone: %s, User: ", indent, "", tmp);
- OPENSSL_free(tmp);
- M_ASN1_OCTET_STRING_print(out, id->user);
- }
- return 1;
- }
- #ifdef SXNET_TEST
- /* NBB: this is used for testing only. It should *not* be used for anything
- * else because it will just take static IDs from the configuration file and
- * they should really be separate values for each user.
- */
- static SXNET * sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
- STACK_OF(CONF_VALUE) *nval)
- {
- CONF_VALUE *cnf;
- SXNET *sx = NULL;
- int i;
- for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
- cnf = sk_CONF_VALUE_value(nval, i);
- if(!SXNET_add_id_asc(&sx, cnf->name, cnf->value, -1))
- return NULL;
- }
- return sx;
- }
-
-
- #endif
- /* Strong Extranet utility functions */
- /* Add an id given the zone as an ASCII number */
- int SXNET_add_id_asc(SXNET **psx, char *zone, char *user,
- int userlen)
- {
- ASN1_INTEGER *izone = NULL;
- if(!(izone = s2i_ASN1_INTEGER(NULL, zone))) {
- X509V3err(X509V3_F_SXNET_ADD_ID_ASC,X509V3_R_ERROR_CONVERTING_ZONE);
- return 0;
- }
- return SXNET_add_id_INTEGER(psx, izone, user, userlen);
- }
- /* Add an id given the zone as an unsigned long */
- int SXNET_add_id_ulong(SXNET **psx, unsigned long lzone, char *user,
- int userlen)
- {
- ASN1_INTEGER *izone = NULL;
- if(!(izone = M_ASN1_INTEGER_new()) || !ASN1_INTEGER_set(izone, lzone)) {
- X509V3err(X509V3_F_SXNET_ADD_ID_ULONG,ERR_R_MALLOC_FAILURE);
- M_ASN1_INTEGER_free(izone);
- return 0;
- }
- return SXNET_add_id_INTEGER(psx, izone, user, userlen);
-
- }
- /* Add an id given the zone as an ASN1_INTEGER.
- * Note this version uses the passed integer and doesn't make a copy so don't
- * free it up afterwards.
- */
- int SXNET_add_id_INTEGER(SXNET **psx, ASN1_INTEGER *zone, char *user,
- int userlen)
- {
- SXNET *sx = NULL;
- SXNETID *id = NULL;
- if(!psx || !zone || !user) {
- X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,X509V3_R_INVALID_NULL_ARGUMENT);
- return 0;
- }
- if(userlen == -1) userlen = strlen(user);
- if(userlen > 64) {
- X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,X509V3_R_USER_TOO_LONG);
- return 0;
- }
- if(!*psx) {
- if(!(sx = SXNET_new())) goto err;
- if(!ASN1_INTEGER_set(sx->version, 0)) goto err;
- *psx = sx;
- } else sx = *psx;
- if(SXNET_get_id_INTEGER(sx, zone)) {
- X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,X509V3_R_DUPLICATE_ZONE_ID);
- return 0;
- }
- if(!(id = SXNETID_new())) goto err;
- if(userlen == -1) userlen = strlen(user);
-
- if(!M_ASN1_OCTET_STRING_set(id->user, user, userlen)) goto err;
- if(!sk_SXNETID_push(sx->ids, id)) goto err;
- id->zone = zone;
- return 1;
-
- err:
- X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,ERR_R_MALLOC_FAILURE);
- SXNETID_free(id);
- SXNET_free(sx);
- *psx = NULL;
- return 0;
- }
- ASN1_OCTET_STRING *SXNET_get_id_asc(SXNET *sx, char *zone)
- {
- ASN1_INTEGER *izone = NULL;
- ASN1_OCTET_STRING *oct;
- if(!(izone = s2i_ASN1_INTEGER(NULL, zone))) {
- X509V3err(X509V3_F_SXNET_GET_ID_ASC,X509V3_R_ERROR_CONVERTING_ZONE);
- return NULL;
- }
- oct = SXNET_get_id_INTEGER(sx, izone);
- M_ASN1_INTEGER_free(izone);
- return oct;
- }
- ASN1_OCTET_STRING *SXNET_get_id_ulong(SXNET *sx, unsigned long lzone)
- {
- ASN1_INTEGER *izone = NULL;
- ASN1_OCTET_STRING *oct;
- if(!(izone = M_ASN1_INTEGER_new()) || !ASN1_INTEGER_set(izone, lzone)) {
- X509V3err(X509V3_F_SXNET_GET_ID_ULONG,ERR_R_MALLOC_FAILURE);
- M_ASN1_INTEGER_free(izone);
- return NULL;
- }
- oct = SXNET_get_id_INTEGER(sx, izone);
- M_ASN1_INTEGER_free(izone);
- return oct;
- }
- ASN1_OCTET_STRING *SXNET_get_id_INTEGER(SXNET *sx, ASN1_INTEGER *zone)
- {
- SXNETID *id;
- int i;
- for(i = 0; i < sk_SXNETID_num(sx->ids); i++) {
- id = sk_SXNETID_value(sx->ids, i);
- if(!M_ASN1_INTEGER_cmp(id->zone, zone)) return id->user;
- }
- return NULL;
- }
- IMPLEMENT_STACK_OF(SXNETID)
- IMPLEMENT_ASN1_SET_OF(SXNETID)