pfSense

<?php

/*

 * diag_ping.php

 *

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

 * Copyright (c) 2004-2013 BSD Perimeter

 * Copyright (c) 2013-2016 Electric Sheep Fencing

 * Copyright (c) 2014-2019 Rubicon Communications, LLC (Netgate)

 * Copyright (c) 2003-2005 Bob Zoller (bob@kludgebox.com)

 * All rights reserved.

 *

 * originally based on m0n0wall (http://m0n0.ch/wall)

 * Copyright (c) 2003-2004 Manuel Kasper <mk@neon1.net>.

 * 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-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;

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[] = sprintf(gettext('Host "%s" did not respond or could not be resolved.'), $host);

	}

}

include('head.inc');

if ($input_errors) {

	print_input_errors($input_errors);

}

$form = new Form(false);

$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,

	array('' => gettext('Automatically selected (default)')) + get_possible_traffic_source_addresses(true)

))->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);

$form->addGlobal(new Form_Button(

	'Submit',

	'Ping',

	null,

	'fa-rss'

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

print $form;

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

?>

	<div class="panel panel-default">

		<div class="panel-heading">

			<h2 class="panel-title"><?=gettext('Results')?></h2>

		</div>

		<div class="panel-body">

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

		</div>

	</div>

<?php

}

include('foot.inc');