<?php
/*
 * openvpn.widget.php
 *
 * part of pfSense (https://www.pfsense.org)
 * Copyright (c) 2004-2016 Electric Sheep Fencing, LLC
 * 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.
 *
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgment:
 *    "This product includes software developed by the pfSense Project
 *    for use in the pfSense® software distribution. (http://www.pfsense.org/).
 *
 * 4. The names "pfSense" and "pfSense Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    coreteam@pfsense.org.
 *
 * 5. Products derived from this software may not be called "pfSense"
 *    nor may "pfSense" appear in their names without prior written
 *    permission of the Electric Sheep Fencing, LLC.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *
 * "This product includes software developed by the pfSense Project
 * for use in the pfSense software distribution (http://www.pfsense.org/).
 *
 * THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY
 * EXPRESSED 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 pfSense PROJECT OR
 * ITS 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.
 */

$nocsrf = true;

require_once("guiconfig.inc");
require_once("openvpn.inc");

/* Handle AJAX */
if ($_GET['action']) {
	if ($_GET['action'] == "kill") {
		$port = $_GET['port'];
		$remipp = $_GET['remipp'];
		if (!empty($port) and !empty($remipp)) {
			$retval = openvpn_kill_client($port, $remipp);
			echo htmlentities("|{$port}|{$remipp}|{$retval}|");
		} else {
			echo gettext("invalid input");
		}
		exit;
	}
}

$servers = openvpn_get_active_servers();
$sk_servers = openvpn_get_active_servers("p2p");
$clients = openvpn_get_active_clients();
?>

<script type="text/javascript">
//<![CDATA[
	function killClient(mport, remipp) {

		$.ajax(
			"widgets/widgets/openvpn.widget.php" +
				"?action=kill&port=" + mport + "&remipp=" + remipp,
			{ type: "get", complete: killComplete }
		);
	}

	function killComplete(req) {
		var values = req.responseText.split("|");
		if (values[3] != "0") {
			alert('<?=gettext("An error occurred.");?>' + ' (' + values[3] + ')');
			return;
		}

		$('tr[name="r:' + values[1] + ":" + values[2] + '"]').each(
			function(index,row) { $(row).fadeOut(1000); }
		);
	}
//]]>
</script>
<div class="content">
<?php foreach ($servers as $server): ?>

<div class="widget panel panel-default">
	<div class="panel-heading"><h2 class="panel-title"><?=htmlspecialchars($server['name']);?></h2></div>
	<div class="table-responsive">
		<table class="table table-striped table-hover table-condensed sortable-theme-bootstrap" data-sortable>
			<thead>
				<tr>
					<th><?=gettext('Name/Time')?></th>
					<th><?=gettext('Real/Virtual IP')?></th>
					<th></th>
				</tr>
			</thead>
			<tbody>
<?php
			$rowIndex = 0;
			foreach ($server['conns'] as $conn):
				$evenRowClass = $rowIndex % 2 ? " listMReven" : " listMRodd";
				$rowIndex++;
?>
				<tr name="<?php echo "r:{$server['mgmt']}:{$conn['remote_host']}"; ?>" class="<?=$evenRowClass?>">
					<td>
						<?=$conn['common_name'];?>
					</td>
					<td>
						<?=$conn['remote_host'];?>
					</td>
					<td>
						<i class="fa fa-times-circle"
							onclick="killClient('<?=$server['mgmt']; ?>', '<?=$conn['remote_host']; ?>');"
							style="cursor:pointer;"
							name="<?php echo "i:{$server['mgmt']}:{$conn['remote_host']}"; ?>"
							title=<?=sprintf(gettext('Kill client connection from %s'), $conn['remote_host']);?>>
						</i>
					</td>
				</tr>
				<tr name="<?php echo "r:{$server['mgmt']}:{$conn['remote_host']}"; ?>" class="<?=$evenRowClass?>">
					<td>
						<?=$conn['connect_time'];?>
					</td>
					<td>
						<?=$conn['virtual_addr'];?>
					</td>
					<td></td>
				</tr>
<?php
			endforeach;
?>
			</tbody>
		</table>
	</div>
</div>

<?php
endforeach;

if (!empty($sk_servers)):
?>
<div class="widget panel panel-default">
	<div class="panel-heading"><h2 class="panel-title"><?=gettext("Peer to Peer Server Instance Statistics");?></h2></div>
	<div class="table-responsive">
		<table class="table table-striped table-hover table-condensed sortable-theme-bootstrap" data-sortable>
			<thead>
				<tr>
					<th><?=gettext('Name/Time')?></th>
					<th><?=gettext('Remote/Virtual IP')?></th>
					<th></th>
				</tr>
			</thead>
			<tbody>
<?php
			foreach ($sk_servers as $sk_server):
?>
				<tr name='<?php echo "r:{$sk_server['port']}:{$sk_server['remote_host']}"; ?>'>
					<td>
						<?=$sk_server['name'];?>
					</td>
					<td>
						<?=$sk_server['remote_host'];?>
					</td>
					<td>
<?php
				if ($sk_server['status'] == "up") {
					/* tunnel is up */
					echo '<i class="fa fa-arrow-up text-success"></i>';
				} else {
					/* tunnel is down */
					echo '<i class="fa fa-arrow-down text-danger"></i>';
				}
?>
					</td>
				</tr>
				<tr name="<?php echo "r:{$sk_server['port']}:{$sk_server['remote_host']}"; ?>">
					<td>
						<?=$sk_server['connect_time'];?>
					</td>
					<td>
						<?=$sk_server['virtual_addr'];?>
					</td>
					<td></td>
				</tr>
<?php
			endforeach;
?>
			</tbody>
		</table>
	</div>
</div>

<?php
endif;

if (!empty($clients)):
?>
<div class="widget panel panel-default">
	<div class="panel-heading"><h2 class="panel-title"><?=gettext("Client Instance Statistics");?></h2></div>
	<div class="table-responsive">
		<table class="table table-striped table-hover table-condensed sortable-theme-bootstrap" data-sortable>
			<thead>
				<tr>
					<th><?=gettext('Name/Time')?></th>
					<th><?=gettext('Remote/Virtual IP')?></th>
					<th></th>
				</tr>
			</thead>
			<tbody>
<?php
			foreach ($clients as $client):
?>
				<tr name="<?php echo "r:{$client['port']}:{$client['remote_host']}"; ?>">
					<td>
						<?=$client['name'];?>
					</td>
					<td>
					<?=$client['remote_host'];?>
					</td>
					<td>
<?php
				if ($client['status'] == "up") {
					/* tunnel is up */
					echo '<i class="fa fa-arrow-up text-success"></i>';
				} else {
					/* tunnel is down */
					echo '<i class="fa fa-arrow-down text-danger"></i>';
				}
?>
					</td>
				</tr>
				<tr name="<?php echo "r:{$client['port']}:{$client['remote_host']}"; ?>">
					<td>
						<?=$client['connect_time'];?>
					</td>
					<td>
						<?=$client['virtual_addr'];?>
					</td>
					<td></td>
				</tr>
<?php
			endforeach;
?>
			</tbody>
		</table>
	</div>
</div>

<?php
endif;

if ((empty($clients)) && (empty($servers)) && (empty($sk_servers))) {
	echo gettext("No OpenVPN instances defined");
}
?>
</div>
