pfSense

<?php

/*

 * diag_confbak.php

 *

 * part of pfSense (https://www.pfsense.org)

 * Copyright (c) 2004-2019 Rubicon Communications, LLC (Netgate)

 * Copyright (c) 2005 Colin Smith

 * All rights reserved.

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

##|+PRIV

##|*IDENT=page-diagnostics-configurationhistory

##|*NAME=Diagnostics: Configuration History

##|*DESCR=Allow access to the 'Diagnostics: Configuration History' page.

##|*MATCH=diag_confbak.php*

##|-PRIV

require_once("guiconfig.inc");

if (isset($_POST['backupcount'])) {

	if (!empty($_POST['backupcount']) && (!is_numericint($_POST['backupcount']) || ($_POST['backupcount'] < 0))) {

		$input_errors[] = gettext("Invalid Backup Count specified");

	}

	if (!$input_errors) {

		if (is_numericint($_POST['backupcount'])) {

			$config['system']['backupcount'] = $_POST['backupcount'];

			$changedescr = $config['system']['backupcount'];

		} elseif (empty($_POST['backupcount'])) {

			unset($config['system']['backupcount']);

			$changedescr = gettext("(platform default)");

		}

		write_config(sprintf(gettext("Changed backup revision count to %s"), $changedescr));

	}

}

$confvers = unserialize(file_get_contents($g['cf_conf_path'] . '/backup/backup.cache'));

if ($_POST['newver'] != "") {

	if (config_restore($g['conf_path'] . '/backup/config-' . $_POST['newver'] . '.xml') == 0) {

		$savemsg = sprintf(gettext('Successfully reverted to timestamp %1$s with description "%2$s".'), date(gettext("n/j/y H:i:s"), $_POST['newver']), htmlspecialchars($confvers[$_POST['newver']]['description']));

	} else {

		$savemsg = gettext("Unable to revert to the selected configuration.");

	}

}

if ($_POST['rmver'] != "") {

	unlink_if_exists($g['conf_path'] . '/backup/config-' . $_POST['rmver'] . '.xml');

	$savemsg = sprintf(gettext('Deleted backup with timestamp %1$s and description "%2$s".'), date(gettext("n/j/y H:i:s"), $_POST['rmver']), htmlspecialchars($confvers[$_POST['rmver']]['description']));

}

if ($_REQUEST['getcfg'] != "") {

	$_REQUEST['getcfg'] = basename($_REQUEST['getcfg']);

	$file = $g['conf_path'] . '/backup/config-' . $_REQUEST['getcfg'] . '.xml';

	$exp_name = urlencode("config-{$config['system']['hostname']}.{$config['system']['domain']}-{$_REQUEST['getcfg']}.xml");

	$exp_data = file_get_contents($file);

	$exp_size = strlen($exp_data);

	header("Content-Type: application/octet-stream");

	header("Content-Disposition: attachment; filename={$exp_name}");

	header("Content-Length: $exp_size");

	echo $exp_data;

	exit;

}

if (($_REQUEST['diff'] == 'Diff') && isset($_REQUEST['oldtime']) && isset($_REQUEST['newtime']) &&

    (is_numeric($_REQUEST['oldtime'])) &&

    (is_numeric($_REQUEST['newtime']) || ($_REQUEST['newtime'] == 'current'))) {

	$diff = "";

	$oldfile = $g['conf_path'] . '/backup/config-' . $_REQUEST['oldtime'] . '.xml';

	$oldtime = $_REQUEST['oldtime'];

	if ($_REQUEST['newtime'] == 'current') {

		$newfile = $g['conf_path'] . '/config.xml';

		$newtime = $config['revision']['time'];

	} else {

		$newfile = $g['conf_path'] . '/backup/config-' . $_REQUEST['newtime'] . '.xml';

		$newtime = $_REQUEST['newtime'];

	}

	if (file_exists($oldfile) && file_exists($newfile)) {

		exec("/usr/bin/diff -u " . escapeshellarg($oldfile) . " " . escapeshellarg($newfile), $diff);

	}

}

cleanup_backupcache(false);

$confvers = get_backups();

unset($confvers['versions']);

$pgtitle = array(gettext("Diagnostics"), htmlspecialchars(gettext("Backup & Restore")), gettext("Config History"));

$pglinks = array("", "diag_backup.php", "@self");

include("head.inc");

if ($input_errors) {

	print_input_errors($input_errors);

}

if ($savemsg) {

	print_info_box($savemsg, 'success');

}

$tab_array = array();

$tab_array[] = array(htmlspecialchars(gettext("Backup & Restore")), false, "diag_backup.php");

$tab_array[] = array(gettext("Config History"), true, "diag_confbak.php");

display_top_tabs($tab_array);

if ($diff) {

?>

<div class="panel panel-default">

	<div class="panel-heading">

		<h2 class="panel-title">

			<?=sprintf(gettext('Configuration Diff from %1$s to %2$s'), date(gettext("n/j/y H:i:s"), $oldtime), date(gettext("n/j/y H:i:s"), $newtime))?>

		</h2>

	</div>

	<div class="panel-body table-responsive">

	<!-- This table is left un-bootstrapped to maintain the original diff format output -->

		<table style="padding-top: 4px; padding-bottom: 4px; vertical-align:middle;">

<?php

	foreach ($diff as $line) {

		switch (substr($line, 0, 1)) {

			case "+":

				$color = "#caffd3";

				break;

			case "-":

				$color = "#ffe8e8";

				break;

			case "@":

				$color = "#a0a0a0";

				break;

			default:

				$color = "#ffffff";

		}

?>

			<tr>

				<td class="diff-text" style="vertical-align:middle; background-color:<?=$color;?>; white-space:pre-wrap;"><?=htmlentities($line)?></td>

			</tr>

<?php

	}

?>

		</table>

	</div>

</div>

<?php

}

$form = new Form(false);

$section = new Form_Section('Configuration Backup Cache Settings', 'configsettings', COLLAPSIBLE|SEC_CLOSED);

$section->addInput(new Form_Input(

	'backupcount',

	'Backup Count',

	'number',

	$config['system']['backupcount'],

	['min' => '0']

))->setHelp('Maximum number of old configurations to keep in the cache, 0 for no backups, or leave blank for the default value (%s for the current platform).', $g['default_config_backup_count']);

$space = exec("/usr/bin/du -sh /conf/backup | /usr/bin/awk '{print $1;}'");

$section->addInput(new Form_StaticText(

	'Current space used by backups',

	$space

));

$section->addInput(new Form_Button(

	'Submit',

	gettext("Save"),

	null,

	'fa-save'

))->addClass('btn-primary');

$form->add($section);

print($form);

if (is_array($confvers)) {

?>

<div>

	<div class="infoblock blockopen">

		<?php print_info_box(

			gettext(

				'To view the differences between an older configuration and a newer configuration, ' .

				'select the older configuration using the left column of radio options and select the newer configuration in the right column, ' .

				'then press the "Diff" button.'),

			'info', false); ?>

	</div>

</div>

<?php

}

?>

<form action="diag_confbak.php" method="get">

	<div class="table-responsive">

		<table class="table table-striped table-hover table-condensed">

<?php

if (is_array($confvers)):

?>

			<thead>

				<tr>

					<th colspan="2">

						<button type="submit" name="diff" class="btn btn-info btn-xs" value="Diff">

							<i class="fa fa-exchange icon-embed-btn"></i>

							<?=gettext("Diff"); ?>

						</button>

					</th>

					<th><?=gettext("Date")?></th>

					<th><?=gettext("Version")?></th>

					<th><?=gettext("Size")?></th>

					<th><?=gettext("Configuration Change")?></th>

					<th><?=gettext("Actions")?></th>

				</tr>

			</thead>

			<tbody>

				<!-- First row is the current configuration -->

				<tr style="vertical-align:top;">

					<td></td>

					<td>

						<input type="radio" name="newtime" value="current" />

					</td>

					<td><?= date(gettext("n/j/y H:i:s"), $config['revision']['time']) ?></td>

					<td><?= $config['version'] ?></td>

					<td><?= format_bytes(filesize("/conf/config.xml")) ?></td>

					<td><?= htmlspecialchars($config['revision']['description']) ?></td>

					<td><?=gettext("Current configuration")?></td>

				</tr>

<?php

	// And now for the table of prior backups

	$c = 0;

	foreach ($confvers as $version):

		if ($version['time'] != 0) {

			$date = date(gettext("n/j/y H:i:s"), $version['time']);

		} else {

			$date = gettext("Unknown");

		}

?>

				<tr>

					<td>

						<input type="radio" name="oldtime" value="<?=$version['time']?>" />

					</td>

					<td>

<?php

		if ($c < (count($confvers) - 1)) {

?>

								<input type="radio" name="newtime" value="<?=$version['time']?>" />

<?php

		}

		$c++;

?>

					</td>

					<td><?= $date ?></td>

					<td><?= $version['version'] ?></td>

					<td><?= format_bytes($version['filesize']) ?></td>

					<td><?= htmlspecialchars($version['description']) ?></td>

					<td>

						<a class="fa fa-undo"		title="<?=gettext('Revert config')?>"	href="diag_confbak.php?newver=<?=$version['time']?>" onclick="return confirm('<?=gettext("Confirmation Required to replace the current configuration with this backup.")?>')" usepost></a>

						<a class="fa fa-download"	title="<?=gettext('Download config')?>"	href="diag_confbak.php?getcfg=<?=$version['time']?>"></a>

						<a class="fa fa-trash"		title="<?=gettext('Delete config')?>"	href="diag_confbak.php?rmver=<?=$version['time']?>" usepost></a>

					</td>

				</tr>

<?php

	endforeach;

?>

				<tr>

					<td colspan="2">

						<button type="submit" name="diff" class="btn btn-info btn-xs" value="Diff">

							<i class="fa fa-exchange icon-embed-btn"></i>

							<?=gettext("Diff"); ?>

						</button>

					</td>

					<td colspan="5"></td>

				</tr>

<?php

else:

	print_info_box(gettext("No backups found."), 'danger');

endif;

?>

			</tbody>

		</table>

	</div>

</form>

<?php include("foot.inc");