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<?php
/* $Id$ */
/*
	system_firmware_restorefullbackup.php
	Copyright (C) 2011 Scott Ullrich
	Copyright (C) 2013-2015 Electric Sheep Fencing, LP
	All rights reserved.

	originally part of m0n0wall (http://m0n0.ch/wall)
	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
	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.

	THIS SOFTWARE IS PROVIDED ``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 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.
*/

/*
	pfSense_BUILDER_BINARIES:	/etc/rc.restore_full_backup
	pfSense_MODULE:	backup
*/

##|+PRIV
##|*IDENT=page-diagnostics-restore-full-backup
##|*NAME=Diagnostics: Restore full backup
##|*DESCR=Allow access to the 'Diagnostics: Restore Full Backup' page.
##|*MATCH=system_firmware_restorefullbackup.php
##|-PRIV

/* Allow additional execution time 0 = no limit. */
ini_set('max_execution_time', '0');
ini_set('max_input_time', '0');

require_once("functions.inc");
require("guiconfig.inc");
require_once("filter.inc");
require_once("shaper.inc");

if($_POST['overwriteconfigxml'])
	touch("/tmp/do_not_restore_config.xml");

if($_GET['backupnow'])
	mwexec_bg("/etc/rc.create_full_backup");

if($_GET['downloadbackup']) {
	$filename = basename($_GET['downloadbackup']);
	$path = "/root/{$filename}";
	if(file_exists($path)) {
		session_write_close();
		ob_end_clean();
		session_cache_limiter('public');
		//$fd = fopen("/root/{$filename}", "rb");
		$filesize = filesize("/root/{$filename}");
		header("Cache-Control: ");
		header("Pragma: ");
		header("Content-Type: application/octet-stream");
		header("Content-Length: " .(string)(filesize($path)) );
		header('Content-Disposition: attachment; filename="'.$filename.'"');
		header("Content-Transfer-Encoding: binary\n");
		if($file = fopen("/root/{$filename}", 'rb')){
			while( (!feof($file)) && (connection_status()==0) ){
				print(fread($file, 1024*8));
				flush();
			}
			fclose($file);
		}

		exit;
	}
}

if ($_GET['deletefile']) {
	$filename = basename($_GET['deletefile']);
	if(file_exists("/root/{$filename}") && (preg_match("/pfSense-full-backup-\d+-\d+\.tgz/", $filename) == 1)) {
		unlink("/root/" . $filename);
		$savemsg = htmlspecialchars($filename) . " " . gettext("has been deleted.");
	} else {
		$savemsg = htmlspecialchars($filename) . " " . gettext("has not been been deleted (invalid backup file or file does not exist).");
	}
}

if ($_POST['restorefile']) {
	$filename = basename($_POST['restorefile']);
	if(file_exists("/root/{$filename}") && (preg_match("/pfSense-full-backup-\d+-\d+\.tgz/", $filename) == 1)) {
		mwexec_bg("/etc/rc.restore_full_backup /root/" . escapeshellcmd($filename));
		$savemsg = gettext("The firewall is currently restoring") . " " . htmlspecialchars($filename);
	} else {
		$savemsg = htmlspecialchars($filename) . " " . gettext("has not been been restored (invalid backup file or file does not exist).");
	}
}

$pgtitle = array(gettext("Diagnostics"),gettext("Restore full backup"));
include("head.inc");

?>

<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
<?php include("fbegin.inc"); ?>
<?php if ($input_errors) print_input_errors($input_errors); ?>
<?php if ($savemsg) print_info_box($savemsg); ?>
<?php if (is_subsystem_dirty('restore')): ?><p>
<form action="reboot.php" method="post">
<input name="Submit" type="hidden" value="Yes" />
<?php print_info_box(gettext("The firewall configuration has been changed.") . "<br />" . gettext("The firewall is now rebooting."));?><br />
</form>
<?php endif; ?>
<form action="system_firmware_restorefullbackup.php" method="post">
<table width="100%" border="0" cellspacing="0" cellpadding="0" summary="restore full backup">
	<tr>
		<td>
<?php
	$tab_array = array();
	$tab_array[] = array(gettext("Manual Update"), false, "system_firmware.php");
	$tab_array[] = array(gettext("Auto Update"), false, "system_firmware_check.php");
	$tab_array[] = array(gettext("Updater Settings"), false, "system_firmware_settings.php");
	if($g['hidedownloadbackup'] == false)
		$tab_array[] = array(gettext("Restore Full Backup"), true, "system_firmware_restorefullbackup.php");
	display_top_tabs($tab_array);
?>
		</td>
	</tr>
	<tr>
		<td>
			<div id="mainarea">
			<table class="tabcont" align="center" width="100%" border="0" cellpadding="6" cellspacing="0" summary="main area">
				<tr>
					<td colspan="1" class="listtopic"><?=gettext("Filename"); ?></td>
					<td colspan="1" class="listtopic"><?=gettext("Date"); ?></td>
					<td colspan="1" class="listtopic"><?=gettext("Size"); ?></td>
					<td colspan="1" class="listtopic"></td>
				</tr>
<?php
				chdir("/root");
				$available_restore_files = glob("pfSense-full-backup-*");
				$counter = 0;
				foreach($available_restore_files as $arf) {
					$counter++;
					$size = exec("gzip -l /root/$arf | grep -v compressed | awk '{ print $2 }'");
					echo "<tr>";
					echo "<td  class='listlr' width='50%' colspan='1'>";
					echo "<input type='radio' name='restorefile' value='$arf' /> $arf";
					echo "</td>";
					echo "<td  class='listr' width='30%' colspan='1'>";
					echo date ("F d Y H:i:s", filemtime($arf));
					echo "</td>";
					echo "<td  class='listr' width='40%' colspan='1'>";
					echo format_bytes($size);
					echo "</td>";
					echo "<td  class='listr nowrap' width='20%' colspan='1'>";
					echo "<a onclick=\"return confirm('" . gettext("Do you really want to delete this backup?") . "')\" href='system_firmware_restorefullbackup.php?deletefile=" . htmlspecialchars($arf) . "'>";
					echo gettext("Delete");
					echo "</a> | ";
					echo "<a href='system_firmware_restorefullbackup.php?downloadbackup=" . htmlspecialchars($arf) . "'>";
					echo gettext("Download");
					echo "</a>";
					echo "</td>";
					echo "</tr>";
				}
				if($counter == 0) {
					echo "<tr>";
					echo "<td  class='listlr' width='100%' colspan='4' align='center'>";
					echo gettext("Could not locate any previous backups.");
					echo "</td>";
					echo "</tr>";
				}
?>
				<tr>
					<td width="78%" colspan="3">
						&nbsp;<br />
						<input type="checkbox" name="overwriteconfigxml" id="overwriteconfigxml" checked="checked" /> <?=gettext("do not restore config.xml."); ?>
						<br />
						<input name="Restore" type="submit" class="formbtn" id="restore" value="<?=gettext("Restore"); ?>" />
					</td>
				</tr>
			</table>
			</div>
		</td>
	</tr>
</table>
</form>

<script type="text/javascript">
//<![CDATA[
encrypt_change();
decrypt_change();
//]]>
</script>

<?php include("fend.inc"); ?>
</body>
</html>
<?php

if (is_subsystem_dirty('restore'))
	system_reboot();

?>
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