/* 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;

 }