pfSense

<?php

/*

 * diag_tables.php

 *

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

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

 * 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-tables

##|*NAME=Diagnostics: pf Table IP addresses

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

##|*MATCH=diag_tables.php*

##|-PRIV

$pgtitle = array(gettext("Diagnostics"), gettext("Tables"));

$shortcut_section = "aliases";

require_once("guiconfig.inc");

exec("/sbin/pfctl -sT", $tables);

// Set default table

$tablename = "sshguard";

if ($_REQUEST['type'] && in_array($_REQUEST['type'], $tables)) {

	$tablename = $_REQUEST['type'];

} else {

	/* Invalid 'type' passed, do not take any actions that use the 'type' field. */

	unset($_REQUEST['type']);

	$_REQUEST['delete'];

}

// Gather selected alias metadata.

if (isset($config['aliases']['alias'])) {

	foreach ($config['aliases']['alias'] as $alias) {

		if ( $alias['name'] == $tablename ) {

			$tmp = array();

			$tmp['type'] = $alias['type'];

			$tmp['name'] = $alias['name'];

			$tmp['url']  = $alias['url'];

			$tmp['freq'] = $alias['updatefreq'];

			break;

		}

	}

}

# Determine if selected alias is either a bogons or URL table.

if (($tablename == "bogons") || ($tablename == "bogonsv6")) {

	$bogons = true;

} else if (preg_match('/urltable/i', $tmp['type'])) {

	$urltable = true;

} else {

	$bogons = $urltable = false;

}

if ($_REQUEST['delete']) {

	if (is_ipaddr($_REQUEST['delete']) || is_subnet($_REQUEST['delete'])) {

		exec("/sbin/pfctl -t " . escapeshellarg($_REQUEST['type']) . " -T delete " . escapeshellarg($_REQUEST['delete']), $delete);

		echo htmlentities($_REQUEST['delete']);

	}

	exit;

}

if ($_POST['clearall']) {

	$entries = array();

	exec("/sbin/pfctl -t " . escapeshellarg($tablename) . " -T show", $entries);

	if (is_array($entries)) {

		foreach ($entries as $entryA) {

			$entry = trim($entryA);

			exec("/sbin/pfctl -t " . escapeshellarg($tablename) . " -T delete " . escapeshellarg($entry), $delete);

		}

	}

	unset($entries);

}

if ($_POST['Download'] && ($bogons || $urltable)) {

	if ($bogons) {				// If selected table is either bogons or bogonsv6.

		$mwexec_bg_cmd = '/etc/rc.update_bogons.sh now';

		$table_type = 'bogons';

		$db_name = 'bogons';

	} else if ($urltable) {		//  If selected table is a URL table alias.

		$mwexec_bg_cmd = '/etc/rc.update_urltables now forceupdate ' . $tablename;

		$table_type = 'urltables';

		$db_name = $tablename;

	}

	mwexec_bg($mwexec_bg_cmd);

	$maxtimetowait = 0;

	$loading = true;

	while ($loading == true) {

		$isrunning = `/bin/ps awwwux | /usr/bin/grep -v grep | /usr/bin/grep $table_type`;

		if ($isrunning == "") {

			$loading = false;

		}

		$maxtimetowait++;

		if ($maxtimetowait > 89) {

			$loading = false;

		}

		sleep(1);

	}

	if ($maxtimetowait < 90) {

		$savemsg = sprintf(gettext("The %s file contents have been updated."), $db_name);

	}

}

$entries = array();

exec("/sbin/pfctl -t " . escapeshellarg($tablename) . " -T show", $entries);

include("head.inc");

if ($savemsg) {

	print_info_box($savemsg, 'success');

}

if ($tablename == "sshguard") {

	$displayname = gettext("SSH and GUI Lockout Table");

} else {

	$displayname = sprintf(gettext("%s Table"), ucfirst($tablename));

}

$form = new Form(false);

$section = new Form_Section('Table to Display');

$group = new Form_Group("Table");

$group->add(new Form_Select(

	'type',

	null,

	$tablename,

	array_combine($tables, $tables)

))->setHelp('Select a user-defined alias name or system table name to view its contents. %s' .

	'Aliases become Tables when loaded into the active firewall ruleset. ' .

	'The contents displayed on this page reflect the current addresses inside tables used by the firewall.', '<br/><br/>');

if ($bogons || $urltable || !empty($entries)) {

	if ($bogons || $urltable) {

		$group->add(new Form_Button(

			'Download',

			'Update',

			null,

			'fa-refresh'

		))->addClass('btn-success btn-sm');

	} elseif (!empty($entries)) {

		$group->add(new Form_Button(

			'clearall',

			'Empty Table',

			null,

			'fa-trash'

		))->addClass('btn-danger btn-sm');

	}

}

$section->add($group);

$form->add($section);

print $form;

if ($bogons || $urltable || !empty($entries)) {

?>

<div>

	<div class="infoblock blockopen">

<?php

	if ($bogons) {

		$table_file = '/etc/' . escapeshellarg($tablename);

	} else if ($urltable) {

		$table_file = '/var/db/aliastables/' . escapeshellarg($tablename) . '.txt';

	} else {

		$table_file = '';

	}

	$datestrregex = '(Mon|Tue|Wed|Thu|Fri|Sat|Sun).* GMT';

	$datelineregex = 'last.*' . $datestrregex;

	$last_updated = exec('/usr/bin/grep -i -m 1 -E "^# ' . $datelineregex . '" ' . $table_file . '|/usr/bin/grep -i -m 1 -E -o "' . $datestrregex . '"');

	if ($last_updated != "") {

		$last_update_msg = sprintf(gettext("Table last updated on %s."), $last_updated);

	} else {

		$last_update_msg = gettext("Date of last update of table is unknown.");

	}

	$records_count_msg = sprintf(gettext("%s records."), number_format(count($entries), 0, gettext("."), gettext(",")));

	# Display up to 10 comment lines (lines that begin with '#').

	unset($comment_lines);

	$res = exec('/usr/bin/grep -i -m 10 -E "^#" ' . $table_file, $comment_lines);

	foreach ($comment_lines as $comment_line) {

		$table_comments .= "$comment_line" . "<br />";

	}

	if ($table_comments) {

		print_info_box($last_update_msg . " &nbsp; &nbsp; " . $records_count_msg . "<br />" .

		'<span style="display:none" class="infoblock">' . ' ' . gettext("Hide table comments.") . '<br />' . $table_comments . '</span>' .

		'<span style="display:none"   id="showtblcom">' . ' ' . gettext("Show table comments.") . '</span>' .

		'' , 'info', false);

	} else {

		print_info_box($last_update_msg . "    " . $records_count_msg, 'info', false);

	}

?>

	</div>

</div>

<?php

}

?>

<script type="text/javascript">

//<![CDATA[

events.push(function() {

	$('#showtblcom').show();

	$('[id^="showinfo1"]').click(function() {

			$('#showtblcom').toggle();

	});

	$('a[data-entry]').on('click', function() {

		var el = $(this);

		$.ajax(

			'/diag_tables.php',

			{

				type: 'post',

				data: {

					type: '<?=htmlspecialchars(addslashes($tablename))?>',

					delete: $(this).data('entry')

				},

				success: function() {

					el.parents('tr').remove();

				},

		});

	});

	// Auto-submit the form on table selector change

	$('#type').on('change', function() {

        $('form').submit();

    });

});

//]]>

</script>

<?php

if (empty($entries)) {

	print_info_box(gettext("No entries exist in this table."), 'warning', false);

} else {

?>

<div class="panel panel-default">

	<div class="panel-heading"><h2 class="panel-title"><?=$displayname?></h2></div>

	<div class="panel-body">

		<div class="table-responsive">

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

				<thead>

					<tr>

						<th><?=gettext("IP Address")?></th>

						<th></th>

					</tr>

				</thead>

				<tbody>

<?php

		// This is a band-aid for a yet to be root caused performance issue with large tables.  Suspected is css and/or sorting.

 		if (count($entries) > 3000) {

			print "<tr><td colspan='2'><pre>";

			foreach ($entries as $entry) {

				$entry = trim($entry);

					print $entry . "\n";

			}

			print "</pre></td></tr>";

		} else {

?>

<?php

		foreach ($entries as $entry):

			$entry = trim($entry);

?>

					<tr>

						<td>

							<?=$entry?>

						</td>

						<td>

							<?php if (!$bogons && !$urltable): ?>

								<a style="cursor: pointer;" data-entry="<?=htmlspecialchars($entry)?>">

									<i class="fa fa-trash" title="<?= gettext("Remove this entry") ?>"></i>

								</a>

							<?php endif ?>

						</td>

					</tr>

<?php endforeach ?>

<?php } ?>

				</tbody>

			</table>

		</div>

	</div>

</div>

<?php

}

include("foot.inc");