/* crypto/x509/by_file.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 <time.h>

#include <errno.h>

#include "cryptlib.h"

#include <openssl/lhash.h>

#include <openssl/buffer.h>

#include <openssl/x509.h>

#include <openssl/pem.h>

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

#include "libcrypto_wsd_macros.h"

#include "libcrypto_wsd.h"

#endif

#include "certretriever.h"

#ifndef OPENSSL_NO_STDIO

static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,

	long argl, char **ret);

#ifndef EMULATOR	

X509_LOOKUP_METHOD x509_file_lookup=

	{

	"Load file into cache",

	NULL,		/* new */

	NULL,		/* free */

	NULL, 		/* init */

	NULL,		/* shutdown */

	by_file_ctrl,	/* ctrl */

	NULL,		/* get_by_subject */

	NULL,		/* get_by_issuer_serial */

	NULL,		/* get_by_fingerprint */

	NULL,		/* get_by_alias */

	};

#else

GET_GLOBAL_VAR_FROM_TLS(x509_file_lookup,by_file,X509_LOOKUP_METHOD)

#define x509_file_lookup (*GET_WSD_VAR_NAME(x509_file_lookup,by_file, g)())

const X509_LOOKUP_METHOD temp_g_x509_file_lookup=

	{

	"Load file into cache",

	NULL,		/* new */

	NULL,		/* free */

	NULL, 		/* init */

	NULL,		/* shutdown */

	by_file_ctrl,	/* ctrl */

	NULL,		/* get_by_subject */

	NULL,		/* get_by_issuer_serial */

	NULL,		/* get_by_fingerprint */

	NULL,		/* get_by_alias */

	};

#endif

EXPORT_C X509_LOOKUP_METHOD *X509_LOOKUP_file(void)

	{

	return(&x509_file_lookup);

	}

static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,

	     char **ret)

	{

	int ok=0;

	#ifndef SYMBIAN

	char *file;

	#endif

	switch (cmd)

		{

	case X509_L_FILE_LOAD:

		if (argl == X509_FILETYPE_DEFAULT)

			{

			#ifdef SYMBIAN

				ok = X509_add_symbian_certs(ctx->store_ctx);

			#else

				file = (char *)Getenv(X509_get_default_cert_file_env());

				if (file)

					ok = (X509_load_cert_crl_file(ctx,file,

						      X509_FILETYPE_PEM) != 0);

				else

					ok = (X509_load_cert_crl_file(ctx,X509_get_default_cert_file(),

						      X509_FILETYPE_PEM) != 0);

			#endif

			if (!ok)

				{

				X509err(X509_F_BY_FILE_CTRL,X509_R_LOADING_DEFAULTS);

				}

			}

		else

			{

			if(argl == X509_FILETYPE_PEM)

				ok = (X509_load_cert_crl_file(ctx,argp,

					X509_FILETYPE_PEM) != 0);

			else

				ok = (X509_load_cert_file(ctx,argp,(int)argl) != 0);

			}

		break;

		}

	return(ok);

	}

EXPORT_C int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type)

	{

	int ret=0;

	BIO *in=NULL;

	int i,count=0;

	X509 *x=NULL;

	if (file == NULL) return(1);

	in=BIO_new(BIO_s_file_internal());

	if ((in == NULL) || (BIO_read_filename(in,file) <= 0))

		{

		X509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_SYS_LIB);

		goto err;

		}

	if (type == X509_FILETYPE_PEM)

		{

		for (;;)

			{

			x=PEM_read_bio_X509_AUX(in,NULL,NULL,NULL);

			if (x == NULL)

				{

				if ((ERR_GET_REASON(ERR_peek_last_error()) ==

					PEM_R_NO_START_LINE) && (count > 0))

					{

					ERR_clear_error();

					break;

					}

				else

					{

					X509err(X509_F_X509_LOAD_CERT_FILE,

						ERR_R_PEM_LIB);

					goto err;

					}

				}

			i=X509_STORE_add_cert(ctx->store_ctx,x);

			if (!i) goto err;

			count++;

			X509_free(x);

			x=NULL;

			}

		ret=count;

		}

	else if (type == X509_FILETYPE_ASN1)

		{

		x=d2i_X509_bio(in,NULL);

		if (x == NULL)

			{

			X509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_ASN1_LIB);

			goto err;

			}

		i=X509_STORE_add_cert(ctx->store_ctx,x);

		if (!i) goto err;

		ret=i;

		}

	else

		{

		X509err(X509_F_X509_LOAD_CERT_FILE,X509_R_BAD_X509_FILETYPE);

		goto err;

		}

err:

	if (x != NULL) X509_free(x);

	if (in != NULL) BIO_free(in);

	return(ret);

	}

EXPORT_C int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type)

	{

	int ret=0;

	BIO *in=NULL;

	int i,count=0;

	X509_CRL *x=NULL;

	if (file == NULL) return(1);

	in=BIO_new(BIO_s_file_internal());

	if ((in == NULL) || (BIO_read_filename(in,file) <= 0))

		{

		X509err(X509_F_X509_LOAD_CRL_FILE,ERR_R_SYS_LIB);

		goto err;

		}

	if (type == X509_FILETYPE_PEM)

		{

		for (;;)

			{

			x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL);

			if (x == NULL)

				{

				if ((ERR_GET_REASON(ERR_peek_last_error()) ==

					PEM_R_NO_START_LINE) && (count > 0))

					{

					ERR_clear_error();

					break;

					}

				else

					{

					X509err(X509_F_X509_LOAD_CRL_FILE,

						ERR_R_PEM_LIB);

					goto err;

					}

				}

			i=X509_STORE_add_crl(ctx->store_ctx,x);

			if (!i) goto err;

			count++;

			X509_CRL_free(x);

			x=NULL;

			}

		ret=count;

		}

	else if (type == X509_FILETYPE_ASN1)

		{

		x=d2i_X509_CRL_bio(in,NULL);

		if (x == NULL)

			{

			X509err(X509_F_X509_LOAD_CRL_FILE,ERR_R_ASN1_LIB);

			goto err;

			}

		i=X509_STORE_add_crl(ctx->store_ctx,x);

		if (!i) goto err;

		ret=i;

		}

	else

		{

		X509err(X509_F_X509_LOAD_CRL_FILE,X509_R_BAD_X509_FILETYPE);

		goto err;

		}

err:

	if (x != NULL) X509_CRL_free(x);

	if (in != NULL) BIO_free(in);

	return(ret);

	}

EXPORT_C int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type)

{

	STACK_OF(X509_INFO) *inf;

	X509_INFO *itmp;

	BIO *in;

	int i, count = 0;

	if(type != X509_FILETYPE_PEM)

		return X509_load_cert_file(ctx, file, type);

	in = BIO_new_file(file, "r");

	if(!in) {

		X509err(X509_F_X509_LOAD_CERT_CRL_FILE,ERR_R_SYS_LIB);

		return 0;

	}

	inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);

	BIO_free(in);

	if(!inf) {

		X509err(X509_F_X509_LOAD_CERT_CRL_FILE,ERR_R_PEM_LIB);

		return 0;

	}

	for(i = 0; i < sk_X509_INFO_num(inf); i++) {

		itmp = sk_X509_INFO_value(inf, i);

		if(itmp->x509) {

			X509_STORE_add_cert(ctx->store_ctx, itmp->x509);

			count++;

		}

		if(itmp->crl) {

			X509_STORE_add_crl(ctx->store_ctx, itmp->crl);

			count++;

		}

	}

	sk_X509_INFO_pop_free(inf, X509_INFO_free);

	return count;

}

#endif /* OPENSSL_NO_STDIO */