/* v3_crld.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).

 *

 */

/*

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

 */

#include <stdio.h>

#include "cryptlib.h"

#include <openssl/conf.h>

#include <openssl/asn1.h>

#include <openssl/asn1t.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_crld(X509V3_EXT_METHOD *method,

		STACK_OF(DIST_POINT) *crld, STACK_OF(CONF_VALUE) *extlist);

static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,

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

#ifndef EMULATOR

X509V3_EXT_METHOD v3_crld = {

NID_crl_distribution_points, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(CRL_DIST_POINTS),

0,0,0,0,

0,0,

(X509V3_EXT_I2V)i2v_crld,

(X509V3_EXT_V2I)v2i_crld,

0,0,

NULL

};

#else

const X509V3_EXT_METHOD v3_crld = {

NID_crl_distribution_points, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(CRL_DIST_POINTS),

0,0,0,0,

0,0,

(X509V3_EXT_I2V)i2v_crld,

(X509V3_EXT_V2I)v2i_crld,

0,0,

NULL

};

#endif

static STACK_OF(CONF_VALUE) *i2v_crld(X509V3_EXT_METHOD *method,

			STACK_OF(DIST_POINT) *crld, STACK_OF(CONF_VALUE) *exts)

{

	DIST_POINT *point;

	int i;

	for(i = 0; i < sk_DIST_POINT_num(crld); i++) {

		point = sk_DIST_POINT_value(crld, i);

		if(point->distpoint) {

			if(point->distpoint->type == 0)

				exts = i2v_GENERAL_NAMES(NULL,

					 point->distpoint->name.fullname, exts);

		        else X509V3_add_value("RelativeName","<UNSUPPORTED>", &exts);

		}

		if(point->reasons) 

			X509V3_add_value("reasons","<UNSUPPORTED>", &exts);

		if(point->CRLissuer)

			X509V3_add_value("CRLissuer","<UNSUPPORTED>", &exts);

	}

	return exts;

}

static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,

				X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)

{

	STACK_OF(DIST_POINT) *crld = NULL;

	GENERAL_NAMES *gens = NULL;

	GENERAL_NAME *gen = NULL;

	CONF_VALUE *cnf;

	int i;

	if(!(crld = sk_DIST_POINT_new_null())) goto merr;

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

		DIST_POINT *point;

		cnf = sk_CONF_VALUE_value(nval, i);

		if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err; 

		if(!(gens = GENERAL_NAMES_new())) goto merr;

		if(!sk_GENERAL_NAME_push(gens, gen)) goto merr;

		gen = NULL;

		if(!(point = DIST_POINT_new())) goto merr;

		if(!sk_DIST_POINT_push(crld, point)) {

			DIST_POINT_free(point);

			goto merr;

		}

		if(!(point->distpoint = DIST_POINT_NAME_new())) goto merr;

		point->distpoint->name.fullname = gens;

		point->distpoint->type = 0;

		gens = NULL;

	}

	return crld;

	merr:

	X509V3err(X509V3_F_V2I_CRLD,ERR_R_MALLOC_FAILURE);

	err:

	GENERAL_NAME_free(gen);

	GENERAL_NAMES_free(gens);

	sk_DIST_POINT_pop_free(crld, DIST_POINT_free);

	return NULL;

}

IMPLEMENT_STACK_OF(DIST_POINT)

IMPLEMENT_ASN1_SET_OF(DIST_POINT)

ASN1_CHOICE(DIST_POINT_NAME) = {

	ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME, name.fullname, GENERAL_NAME, 0),

	ASN1_IMP_SET_OF(DIST_POINT_NAME, name.relativename, X509_NAME_ENTRY, 1)

} ASN1_CHOICE_END(DIST_POINT_NAME)

IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME)

ASN1_SEQUENCE(DIST_POINT) = {

	ASN1_EXP_OPT(DIST_POINT, distpoint, DIST_POINT_NAME, 0),

	ASN1_IMP_OPT(DIST_POINT, reasons, ASN1_BIT_STRING, 1),

	ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT, CRLissuer, GENERAL_NAME, 2)

} ASN1_SEQUENCE_END(DIST_POINT)

IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT)

ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS) = 

	ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CRLDistributionPoints, DIST_POINT)

ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS)

IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS)