pfSense

 * diag_dns.php

 * Copyright (c) 2004-2013 BSD Perimeter

 * Copyright (c) 2014-2022 Rubicon Communications, LLC (Netgate)

 * All rights reserved.

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

 *

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

 *

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

 */

##|+PRIV

##|*NAME=Diagnostics: DNS Lookup

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

$pgtitle = array(gettext("Diagnostics"), gettext("DNS Lookup"));

require_once("guiconfig.inc");

require_once("pfsense-utils.inc");

$host = idn_to_ascii(trim($_REQUEST['host'], " \t\n\r\0\x0B[];\"'"));

init_config_arr(array('aliases', 'alias'));

$a_aliases = &$config['aliases']['alias'];

$aliasname = substr(str_replace(array(".", "-"), "_", $host), 0, 31);

$alias_exists = false;

$counter = 0;

foreach ($a_aliases as $a) {

		$alias_exists = true;

		$id = $counter;

	}

if (isAllowedPage('firewall_aliases_edit.php') && isset($_POST['create_alias']) && (is_hostname($host) || is_ipaddr($host))) {

	$resolved = gethostbyname($host);

	$type = "hostname";

	if ($resolved) {

		$resolved = resolve_host_addresses($host);

		$isfirst = true;

		$addresses = "";

		foreach ($resolved as $re) {

			if ($re['data'] != "") {

				if (!$isfirst) {

					$addresses .= " ";

				}

				$re = rtrim($re['data']);

				if (is_ipaddr($re)) {

				$addresses .= $re . $sn;

				$isfirst = false;

		}

		if ($addresses == "") {

		} else {

			$newalias = array();

		}

	} else {

	}

if ($_POST) {

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

	if (!is_hostname(rtrim($host, '.')) && !is_ipaddr($host)) {

		$input_errors[] = gettext("Host must be a valid hostname or IP address.");

	} else {

		$dns_speeds = array();

		$dns_servers = get_dns_nameservers(false, true);

		foreach ($dns_servers as $dns_server) {

			$query_time = exec("/usr/bin/drill " . escapeshellarg($host) . " " . escapeshellarg("@" . trim($dns_server)) . " | /usr/bin/grep Query | /usr/bin/cut -d':' -f2");

			if ($query_time == "") {

				$query_time = gettext("No response");

			}

			$new_qt = array();

			$new_qt['query_time'] = $query_time;

			$dns_speeds[] = $new_qt;

	}

	$type = "unknown";

	$resolved = array();

	$ipaddr = "";

	if (!$input_errors) {

			$resolvedptr = gethostbyaddr($host);

			$ipaddr = $host;

			if ($host != $resolvedptr) {

			}

		} elseif (is_hostname(rtrim($host, '.'))) {

			$type = "hostname";

			$ipaddr = gethostbyname($host);

		}

if ($_POST['host'] && $_POST['dialog_output']) {

	exit;

function display_host_results ($address, $hostname, $dns_speeds) {

	$map_lengths = function($element) { return strlen($element[0]); };

	echo gettext("IP Address") . ": " . htmlspecialchars($address) . " \n";

	echo "\n";

	$text_table = array();

		}

	}

	$col0_padlength = max(array_map($map_lengths, $text_table)) + 4;

	foreach ($text_table as $text_row) {

		echo str_pad($text_row[0], $col0_padlength) . $text_row[1] . "\n";

	}

}

include("head.inc");

/* Display any error messages resulting from user input */

if ($input_errors) {

	print_input_errors($input_errors);

} else if (!$resolved && $type) {

	print_info_box(sprintf(gettext('Host "%s" could not be resolved.'), idn_to_utf8($host)), 'warning', false);

}

if ($createdalias) {

	if ($alias_exists) {

}

if ($couldnotcreatealias) {

$form = new Form(false);

$section = new Form_Section('DNS Lookup');

	'*Hostname',

	'text',

	idn_to_utf8($host),

	['placeholder' => 'Hostname to look up.']

$form->add($section);

if (!empty($resolved) && isAllowedPage('firewall_aliases_edit.php')) {

	$form->addGlobal(new Form_Button(

		'create_alias',

		($alias_exists) ? gettext("Update Alias") : gettext("Add Alias"),

		null,

		($alias_exists) ? 'fa-refresh' : 'fa-plus'

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

if (!$input_errors && $type) {

	if ($resolved):

?>

<div class="panel panel-default">

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

	<div class="panel-body">

		<table class="table">

			<td><?=htmlspecialchars($hostitem['data'])?></td><td><?=htmlspecialchars($hostitem['type'])?></td>

		</tr>

	</div>

<?php endif; ?>

	<div class="panel-heading"><h2 class="panel-title"><?=gettext('Timings')?></h2></div>

	<div class="panel-body">

				<th><?=gettext('Name server')?></th>

			</tr>

<?php foreach ((array)$dns_speeds as $qt):?>

		<tr>

			<td><?=htmlspecialchars($qt['dns_server'])?></td><td><?=htmlspecialchars($qt['query_time'])?></td>

		</tr>

<?php endforeach; ?>

		</tbody>

	<div class="panel-heading"><h2 class="panel-title"><?=gettext('More Information')?></h2></div>

	<div class="panel-body">

			<li class="list-group-item"><a href="/diag_ping.php?host=<?=htmlspecialchars($host)?>&amp;count=3"><?=gettext("Ping")?></a></li>

			<li class="list-group-item"><a href="/diag_traceroute.php?host=<?=htmlspecialchars($host)?>&amp;ttl=18"><?=gettext("Traceroute")?></a></li>

}

if (!$input_errors):

?>

	var original_host = <?=json_encode($host);?>;

endif;

include("foot.inc");