pfSense

<?php

/*

	diag_ping.php

*/

/* ====================================================================

 *	Copyright (c)  2004-2015  Electric Sheep Fencing, LLC. All rights reserved.

 *	Copyright (c)  2003-2005 Bob Zoller (bob@kludgebox.com) and Manuel Kasper <mk@neon1.net>

 *

 *  Some or all of this file is based on the m0n0wall project which is

 *  Copyright (c)  2004 Manuel Kasper (BSD 2 clause)

 *

 *	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.

 *

 *	====================================================================

 *

 */

##|+PRIV

##|*IDENT=page-diagnostics-ping

##|*NAME=Diagnostics: Ping

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

##|*MATCH=diag_ping.php*

##|-PRIV

$allowautocomplete = true;

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

require_once("guiconfig.inc");

define('MAX_COUNT', 10);

define('DEFAULT_COUNT', 3);

$do_ping = false;

$host = '';

$count = DEFAULT_COUNT;

function create_sourceaddresslist() {

	$sourceips = get_possible_traffic_source_addresses(true);

	$list = array("" => 'Default');

	foreach ($sourceips as $sipvalue => $sipname) {

		$list[$sipvalue] = $sipname;

	}

	return $list;

}

if ($_POST || $_REQUEST['host']) {

	unset($input_errors);

	unset($do_ping);

	/* input validation */

	$reqdfields = explode(" ", "host count");

	$reqdfieldsn = array(gettext("Host"), gettext("Count"));

	do_input_validation($_REQUEST, $reqdfields, $reqdfieldsn, $input_errors);

	if (($_REQUEST['count'] < 1) || ($_REQUEST['count'] > MAX_COUNT)) {

		$input_errors[] = sprintf(gettext("Count must be between 1 and %s"), MAX_COUNT);

	}

	$host = trim($_REQUEST['host']);

	$ipproto = $_REQUEST['ipproto'];

	if (($ipproto == "ipv4") && is_ipaddrv6($host)) {

		$input_errors[] = gettext("When using IPv4, the target host must be an IPv4 address or hostname.");

	}

	if (($ipproto == "ipv6") && is_ipaddrv4($host)) {

		$input_errors[] = gettext("When using IPv6, the target host must be an IPv6 address or hostname.");

	}

	if (!$input_errors) {

		if ($_POST) {

			$do_ping = true;

		}

		if (isset($_REQUEST['sourceip'])) {

			$sourceip = $_REQUEST['sourceip'];

		}

		$count = $_REQUEST['count'];

		if (preg_match('/[^0-9]/', $count)) {

			$count = DEFAULT_COUNT;

		}

	}

}

if ($do_ping) {

?>

	<script type="text/javascript">

	//<![CDATA[

	window.onload=function() {

		document.getElementById("pingCaptured").wrap='off';

	}

	//]]>

	</script>

<?php

	$ifscope = '';

	$command = "/sbin/ping";

	if ($ipproto == "ipv6") {

		$command .= "6";

		$ifaddr = is_ipaddr($sourceip) ? $sourceip : get_interface_ipv6($sourceip);

		if (is_linklocal($ifaddr)) {

			$ifscope = get_ll_scope($ifaddr);

		}

	} else {

		$ifaddr = is_ipaddr($sourceip) ? $sourceip : get_interface_ip($sourceip);

	}

	if ($ifaddr && (is_ipaddr($host) || is_hostname($host))) {

		$srcip = "-S" . escapeshellarg($ifaddr);

		if (is_linklocal($host) && !strstr($host, "%") && !empty($ifscope)) {

			$host .= "%{$ifscope}";

		}

	}

	$cmd = "{$command} {$srcip} -c" . escapeshellarg($count) . " " . escapeshellarg($host);

	//echo "Ping command: {$cmd}\n";

	$result = shell_exec($cmd);

	if (empty($result)) {

		$input_errors[] = "Host \"" . $host . "\" did not respond or could not be resolved.";

	}

}

include('head.inc');

if ($input_errors) {

	print_input_errors($input_errors);

}

$form = new Form('Ping');

$section = new Form_Section('Ping');

$section->addInput(new Form_Input(

	'host',

	'Hostname',

	'text',

	$host,

	['placeholder' => 'Hostname to ping']

));

$section->addInput(new Form_Select(

	'ipproto',

	'IP Protocol',

	$ipproto,

	['ipv4' => 'IPv4', 'ipv6' => 'IPv6']

));

$section->addInput(new Form_Select(

	'sourceip',

	'Source address',

	$sourceip,

	create_sourceaddresslist()

))->setHelp('Select source address for the ping');

$section->addInput(new Form_Select(

	'count',

	'Maximum number of pings',

	$count,

	array_combine(range(1, MAX_COUNT), range(1, MAX_COUNT))

))->setHelp('Select the maximum number of pings');

$form->add($section);

print $form;

if ($do_ping && !empty($result) && !$input_errors) {

?>

	<div class="panel panel-default">

		<div class="panel-heading">

			<h2 class="panel-title">Results</h2>

		</div>

		<div class="panel-body">

			<pre><?= $result ?></pre>

		</div>

	</div>

<?php

}

include('foot.inc');