pfSense

<?php

/*

* diag_arp.php

*

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

* Copyright (c) 2004-2013 BSD Perimeter

* Copyright (c) 2013-2016 Electric Sheep Fencing

* Copyright (c) 2014-2023 Rubicon Communications, LLC (Netgate)

* 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-arptable

##|*NAME=Diagnostics: ARP Table

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

##|*MATCH=diag_arp.php*

##|-PRIV

@ini_set('zlib.output_compression', 0);

@ini_set('implicit_flush', 1);

require_once('guiconfig.inc');

require_once('diag_arp.inc');

define('ARP_BIN', '/usr/sbin/arp');

/* delete ARP cache entry */

if (isset($_POST['deleteentry'])) {

	$ip = $_POST['deleteentry'];

	$rc = 0;

	$savemsg = sprintf(gettext('The ARP cache entry for %s as been deleted.'), $ip);

	$savemsgtype = 'success';

	if (is_ipaddrv4($ip)) {

		exec(implode(' ', [ARP_BIN, '-d', escapeshellarg($ip)]), $out, $rc);

		if ($rc !== 0) {

			$savemsg = sprintf(gettext('%s could not be deleted.'), $ip);

			$savemsgtype = 'alert-warning';

		}

	} else {

		$savemsg = sprintf(gettext('%s is not a valid IPv4 address.'), $ip);

		$savemsgtype = 'alert-warning';

	}

}

/* clear ARP table */

if (isset($_POST['cleararptable'])) {

	$rc = 0;

	$savemsg = gettext('ARP table has been cleared.');

	$savemsgtype = 'success';

	exec(implode(' ', [ARP_BIN, '-d', '-a']), $out, $rc);

	if ($rc !== 0) {

		$savemsg = gettext('Unable to clear ARP table.');

		$savemsgtype = 'alert-warning';

	}

}

$arp_table = prepare_ARP_table();

$pgtitle = [gettext('Diagnostics'), gettext('ARP Table')];

include('head.inc');

// Handle save msg if defined

if ($savemsg) {

	print_info_box(htmlentities($savemsg), $savemsgtype);

}

?>

<div class="panel panel-default" id="search-panel">

<div class="panel-heading">

	<h2 class="panel-title">

		<?=gettext('Search')?>

		<span class="widget-heading-icon pull-right">

			<a data-toggle="collapse" href="#search-panel_panel-body">

				<i class="fa-solid fa-plus-circle"></i>

			</a>

		</span>

	</h2>

</div>

<div id="search-panel_panel-body" class="panel-body collapse in">

	<div class="form-group">

		<label class="col-sm-2 control-label">

			<?=gettext('Search Term')?>

		</label>

		<div class="col-sm-5"><input class="form-control" name="searchstr" id="searchstr" type="text"/></div>

		<div class="col-sm-2">

			<select id="where" class="form-control">

				<option value="1" selected><?=gettext('All');?></option>

				<option value="2"><?=gettext('Interface')?></option>

				<option value="3"><?=gettext('IP Address')?></option>

				<option value="4"><?=gettext('MAC Address')?></option>

				<option value="5"><?=gettext('Hostname')?></option>

				<option value="6"><?=gettext('Status')?></option>

				<option value="7"><?=gettext('Link Type')?></option>

			</select>

		</div>

		<div class="col-sm-3">

			<a id="btnsearch" title="<?=gettext("Search")?>" class="btn btn-primary btn-sm"><i class="fa-solid fa-search icon-embed-btn"></i><?=gettext("Search")?></a>

			<a id="btnclear" title="<?=gettext("Clear")?>" class="btn btn-info btn-sm"><i class="fa-solid fa-undo icon-embed-btn"></i><?=gettext("Clear")?></a>

		</div>

		<div class="col-sm-10 col-sm-offset-2">

			<span class="help-block"><?=gettext('Enter a search string or *nix regular expression to filter entries.')?></span>

		</div>

	</div>

</div>

</div>

<div class="panel panel-default">

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

	<div class="panel-body">

		<div class="table-responsive">

			<table class="sortable-theme-bootstrap table table-striped table-hover" data-sortable>

				<thead>

					<tr>

						<th><?= gettext("Interface")?></th>

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

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

						<th><?= gettext("Hostname")?></th>

						<th><?= gettext("Status")?></th>

						<th><?= gettext("Link Type")?></th>

						<th style="white-space:nowrap;" data-sortable="false"><?=gettext("Actions")?></th>

					</tr>

				</thead>

				<tbody>

<?php

	foreach ($arp_table as $entry): ?>

				<tr>

					<td><?=$entry['interface']?></td>

					<td><?=$entry['ip-address']?></td>

					<td><?=$entry['mac-address']?></td>

					<td><?=$entry['dnsresolve']?></td>

					<td><?=$entry['expires']?></td>

					<td><?=$entry['type']?></td>

					<td>

<?php if ($entry['assigned']): /* only useful for assigned interfaces */ ?>

						<a class="fa-solid fa-plus-square" title="<?=gettext('Add WOL mapping')?>" href="services_wol_edit.php?if=<?=htmlspecialchars($entry['if'])?>&amp;mac=<?=htmlspecialchars($entry['mac-address'])?>&amp;descr=<?=htmlspecialchars($entry['dnsresolve'])?>"></a>

						<a class="fa-solid fa-power-off" title="<?=gettext('Send WOL packet')?>" href="services_wol.php?if=<?=htmlspecialchars($entry['if'])?>&amp;mac=<?=htmlspecialchars($entry['mac-address'])?>" usepost></a>

<?php endif; ?>

						<a class="fa-solid fa-trash-can" title="<?=gettext('Delete ARP cache entry')?>" href="diag_arp.php?deleteentry=<?=$entry['ip-address']?>" usepost></a>

					</td>

				</tr>

<?php

	endforeach;

?>

				</tbody>

			</table>

		</div>

	</div>

</div>

<nav class="action-buttons">

	<button id="cleararp" class="btn btn-danger no-confirm">

		<i class="fa-solid fa-trash-can icon-embed-btn"></i>

		<?=gettext("Clear ARP Table")?>

	</button>

</nav>

<script type="text/javascript">

//<![CDATA[

// Clear the "loading" div once the page has loaded"

events.push(function() {

	$('#loading').empty();

	// Make these controls plain buttons

	$("#btnsearch").prop('type', 'button');

	$("#btnclear").prop('type', 'button');

	// Search for a term in the entry name and/or dn

	$("#btnsearch").click(function() {

		var searchstr = $('#searchstr').val().toLowerCase();

		var table = $("table tbody");

		var where = $('#where').val();

		table.find('tr').each(function (i) {

			var $tds = $(this).find('td'),

				iface    = $tds.eq(0).text().trim().toLowerCase(),

				ipaddr   = $tds.eq(1).text().trim().toLowerCase();

				macaddr  = $tds.eq(2).text().trim().toLowerCase();

				hostname = $tds.eq(3).text().trim().toLowerCase();

				stat     = $tds.eq(4).text().trim().toLowerCase();

				linktype = $tds.eq(5).text().trim().toLowerCase();

			regexp = new RegExp(searchstr);

			if (searchstr.length > 0) {

				if (!(regexp.test(iface)    && ((where == 2) || (where == 1))) &&

				    !(regexp.test(ipaddr)   && ((where == 3) || (where == 1))) &&

				    !(regexp.test(macaddr)  && ((where == 4) || (where == 1))) &&

				    !(regexp.test(hostname) && ((where == 5) || (where == 1))) &&

				    !(regexp.test(stat)     && ((where == 6) || (where == 1))) &&

				    !(regexp.test(linktype) && ((where == 7) || (where == 1)))

				    ) {

					$(this).hide();

				} else {

					$(this).show();

				}

			} else {

				$(this).show();	// A blank search string shows all

			}

		});

	});

	// Clear the search term and unhide all rows (that were hidden during a previous search)

	$("#btnclear").click(function() {

		var table = $("table tbody");

		$('#searchstr').val("");

		$('#where option[value="1"]').prop('selected', true);

		table.find('tr').each(function (i) {

			$(this).show();

		});

	});

	// Hitting the enter key will do the same as clicking the search button

	$("#searchstr").on("keyup", function (event) {

		if (event.keyCode == 13) {

			$("#btnsearch").get(0).click();

		}

	});

	$('#cleararp').click(function() {

		if (confirm("<?=gettext('Are you sure you wish to clear ARP table?')?>")) {

			postSubmit({cleararptable: 'true'}, 'diag_arp.php');

		}

	});

});

//]]>

</script>

<div class="infoblock blockopen">

<?php

print_info_box(sprintf(gettext('Local IPv6 peers use %1$sNDP%2$s instead of ARP.'), '<a href="diag_ndp.php">', '</a>') . '<br />' .

   '<br />' . gettext('Permanent ARP entries are shown for local interfaces or static ARP entries.') .

   '<br />' . gettext('Normal dynamic ARP entries show a countdown timer until they will expire and then be re-checked.') .

   '<br />' . gettext('Incomplete ARP entries indicate that the target host has not yet replied to an ARP request.'), 'info', false);

?>

</div>

<?php

include('foot.inc');