/* v3_sxnet.c */
/*
* Written by Dr Stephen N Henson (steve@openssl.org) 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 <string.h>
#include <openssl/asn1.h>
#include <openssl/asn1t.h>
#include <openssl/conf.h>
#include <openssl/err.h>
#include <openssl/mem.h>
#include <openssl/obj.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
const 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;
size_t 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;
size_t 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))) {
OPENSSL_PUT_ERROR(X509V3, 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)) {
OPENSSL_PUT_ERROR(X509V3, 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) {
OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_NULL_ARGUMENT);
return 0;
}
if (userlen == -1)
userlen = strlen(user);
if (userlen > 64) {
OPENSSL_PUT_ERROR(X509V3, 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)) {
OPENSSL_PUT_ERROR(X509V3, 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:
OPENSSL_PUT_ERROR(X509V3, 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))) {
OPENSSL_PUT_ERROR(X509V3, 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)) {
OPENSSL_PUT_ERROR(X509V3, 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;
size_t 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_ASN1_SET_OF(SXNETID)