/* v3_pcons.c */

/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL

 * project.

 */

/* ====================================================================

 * Copyright (c) 2003 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).

 *

 */

 /*

 © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

 */

#include <stdio.h>

#include "cryptlib.h"

#include <openssl/asn1.h>

#include <openssl/asn1t.h>

#include <openssl/conf.h>

#include <openssl/x509v3.h>

#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))

#include "libcrypto_wsd_macros.h"

#include "libcrypto_wsd.h"

#endif

static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method,

				void *bcons, STACK_OF(CONF_VALUE) *extlist);

static void *v2i_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method,

				X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values);

#ifndef EMULATOR

X509V3_EXT_METHOD v3_policy_constraints = {

NID_policy_constraints, 0,

ASN1_ITEM_ref(POLICY_CONSTRAINTS),

0,0,0,0,

0,0,

i2v_POLICY_CONSTRAINTS,

v2i_POLICY_CONSTRAINTS,

NULL,NULL,

NULL

};

#else

X509V3_EXT_METHOD v3_policy_constraints = {

NID_policy_constraints, 0,

ASN1_ITEM_ref(POLICY_CONSTRAINTS),

0,0,0,0,

0,0,

i2v_POLICY_CONSTRAINTS,

v2i_POLICY_CONSTRAINTS,

NULL,NULL,

NULL

};

#endif

ASN1_SEQUENCE(POLICY_CONSTRAINTS) = {

	ASN1_IMP_OPT(POLICY_CONSTRAINTS, requireExplicitPolicy, ASN1_INTEGER,0),

	ASN1_IMP_OPT(POLICY_CONSTRAINTS, inhibitPolicyMapping, ASN1_INTEGER,1)

} ASN1_SEQUENCE_END(POLICY_CONSTRAINTS)

IMPLEMENT_ASN1_ALLOC_FUNCTIONS(POLICY_CONSTRAINTS)

static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method,

	     void *a, STACK_OF(CONF_VALUE) *extlist)

{

	POLICY_CONSTRAINTS *pcons = a;

	X509V3_add_value_int("Require Explicit Policy",

			pcons->requireExplicitPolicy, &extlist);

	X509V3_add_value_int("Inhibit Policy Mapping",

			pcons->inhibitPolicyMapping, &extlist);

	return extlist;

}

static void *v2i_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method,

	     X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values)

{

	POLICY_CONSTRAINTS *pcons=NULL;

	CONF_VALUE *val;

	int i;

	if(!(pcons = POLICY_CONSTRAINTS_new())) {

		X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, ERR_R_MALLOC_FAILURE);

		return NULL;

	}

	for(i = 0; i < sk_CONF_VALUE_num(values); i++) {

		val = sk_CONF_VALUE_value(values, i);

		if(!strcmp(val->name, "requireExplicitPolicy")) {

			if(!X509V3_get_value_int(val,

				&pcons->requireExplicitPolicy)) goto err;

		} else if(!strcmp(val->name, "inhibitPolicyMapping")) {

			if(!X509V3_get_value_int(val,

				&pcons->inhibitPolicyMapping)) goto err;

		} else {

			X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, X509V3_R_INVALID_NAME);

			X509V3_conf_err(val);

			goto err;

		}

	}

	if (!pcons->inhibitPolicyMapping && !pcons->requireExplicitPolicy) {

		X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, X509V3_R_ILLEGAL_EMPTY_EXTENSION);

		goto err;

	}

	return pcons;

	err:

	POLICY_CONSTRAINTS_free(pcons);

	return NULL;

}