/* crypto/asn1/x_x509.c */

/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)

 * All rights reserved.

 *

 * This package is an SSL implementation written

 * by Eric Young (eay@cryptsoft.com).

 * The implementation was written so as to conform with Netscapes SSL.

 * 

 * This library is free for commercial and non-commercial use as long as

 * the following conditions are aheared to.  The following conditions

 * apply to all code found in this distribution, be it the RC4, RSA,

 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation

 * included with this distribution is covered by the same copyright terms

 * except that the holder is Tim Hudson (tjh@cryptsoft.com).

 * 

 * Copyright remains Eric Young's, and as such any Copyright notices in

 * the code are not to be removed.

 * If this package is used in a product, Eric Young should be given attribution

 * as the author of the parts of the library used.

 * This can be in the form of a textual message at program startup or

 * in documentation (online or textual) provided with the package.

 * 

 * 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 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 acknowledgement:

 *    "This product includes cryptographic software written by

 *     Eric Young (eay@cryptsoft.com)"

 *    The word 'cryptographic' can be left out if the rouines from the library

 *    being used are not cryptographic related :-).

 * 4. If you include any Windows specific code (or a derivative thereof) from 

 *    the apps directory (application code) you must include an acknowledgement:

 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"

 * 

 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND

 * ANY EXPRESS 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 AUTHOR OR 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.

 * 

 * The licence and distribution terms for any publically available version or

 * derivative of this code cannot be changed.  i.e. this code cannot simply be

 * copied and put under another distribution licence

 * [including the GNU Public Licence.]

 */

/*

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

 */

#include <stdio.h>

#include "cryptlib.h"

#include <openssl/evp.h>

#include <openssl/asn1t.h>

#include <openssl/x509.h>

#include <openssl/x509v3.h>

#include "pcy_int.h"

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

#include "libcrypto_wsd_macros.h"

#include "libcrypto_wsd.h"

#endif

ASN1_SEQUENCE(X509_CINF) = {

	ASN1_EXP_OPT(X509_CINF, version, ASN1_INTEGER, 0),

	ASN1_SIMPLE(X509_CINF, serialNumber, ASN1_INTEGER),

	ASN1_SIMPLE(X509_CINF, signature, X509_ALGOR),

	ASN1_SIMPLE(X509_CINF, issuer, X509_NAME),

	ASN1_SIMPLE(X509_CINF, validity, X509_VAL),

	ASN1_SIMPLE(X509_CINF, subject, X509_NAME),

	ASN1_SIMPLE(X509_CINF, key, X509_PUBKEY),

	ASN1_IMP_OPT(X509_CINF, issuerUID, ASN1_BIT_STRING, 1),

	ASN1_IMP_OPT(X509_CINF, subjectUID, ASN1_BIT_STRING, 2),

	ASN1_EXP_SEQUENCE_OF_OPT(X509_CINF, extensions, X509_EXTENSION, 3)

} ASN1_SEQUENCE_END(X509_CINF)

IMPLEMENT_ASN1_FUNCTIONS(X509_CINF)

/* X509 top level structure needs a bit of customisation */

//extern void policy_cache_free(X509_POLICY_CACHE *cache);

static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)

{

	X509 *ret = (X509 *)*pval;

	switch(operation) {

		case ASN1_OP_NEW_POST:

		ret->valid=0;

		ret->name = NULL;

		ret->ex_flags = 0;

		ret->ex_pathlen = -1;

		ret->skid = NULL;

		ret->akid = NULL;

		ret->aux = NULL;

		CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);

		break;

		case ASN1_OP_D2I_POST:

		if (ret->name != NULL) OPENSSL_free(ret->name);

		ret->name=X509_NAME_oneline(ret->cert_info->subject,NULL,0);

		break;

		case ASN1_OP_FREE_POST:

		CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);

		X509_CERT_AUX_free(ret->aux);

		ASN1_OCTET_STRING_free(ret->skid);

		AUTHORITY_KEYID_free(ret->akid);

		policy_cache_free(ret->policy_cache);

		if (ret->name != NULL) OPENSSL_free(ret->name);

		break;

	}

	return 1;

}

ASN1_SEQUENCE_ref(X509, x509_cb, CRYPTO_LOCK_X509) = {

	ASN1_SIMPLE(X509, cert_info, X509_CINF),

	ASN1_SIMPLE(X509, sig_alg, X509_ALGOR),

	ASN1_SIMPLE(X509, signature, ASN1_BIT_STRING)

} ASN1_SEQUENCE_END_ref(X509, X509)

IMPLEMENT_ASN1_FUNCTIONS(X509)

IMPLEMENT_ASN1_DUP_FUNCTION(X509)

#ifndef EMULATOR

static ASN1_METHOD meth=

    {

    (I2D_OF(void))  i2d_X509,

    (D2I_OF(void)) d2i_X509,

    (void *(*)(void))X509_new,

    (void (*)(void *)) X509_free

    };

#else

GET_STATIC_VAR_FROM_TLS(meth,x_x509,ASN1_METHOD)

#define meth (*GET_WSD_VAR_NAME(meth,x_x509, s)())

const ASN1_METHOD temp_s_meth=

    {

    (I2D_OF(void))  i2d_X509,

    (D2I_OF(void)) d2i_X509,

    (void *(*)(void))X509_new,

    (void (*)(void *)) X509_free

    };

#endif

EXPORT_C ASN1_METHOD *X509_asn1_meth(void)

	{

	return(&meth);

	}

EXPORT_C int X509_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,

	     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)

        {

	return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509, argl, argp,

				new_func, dup_func, free_func);

        }

EXPORT_C int X509_set_ex_data(X509 *r, int idx, void *arg)

	{

	return(CRYPTO_set_ex_data(&r->ex_data,idx,arg));

	}

EXPORT_C void *X509_get_ex_data(X509 *r, int idx)

	{

	return(CRYPTO_get_ex_data(&r->ex_data,idx));

	}

/* X509_AUX ASN1 routines. X509_AUX is the name given to

 * a certificate with extra info tagged on the end. Since these

 * functions set how a certificate is trusted they should only

 * be used when the certificate comes from a reliable source

 * such as local storage.

 *

 */

EXPORT_C X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length)

{

	const unsigned char *q;

	X509 *ret;

	/* Save start position */

	q = *pp;

	ret = d2i_X509(a, pp, length);

	/* If certificate unreadable then forget it */

	if(!ret) return NULL;

	/* update length */

	length -= *pp - q;

	if(!length) return ret;

	if(!d2i_X509_CERT_AUX(&ret->aux, pp, length)) goto err;

	return ret;

	err:

	X509_free(ret);

	return NULL;

}

EXPORT_C int i2d_X509_AUX(X509 *a, unsigned char **pp)

{

	int length;

	length = i2d_X509(a, pp);

	if(a) length += i2d_X509_CERT_AUX(a->aux, pp);

	return length;

}