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<?php
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/*
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	diag_ndp.php
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*/
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/* ====================================================================
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 *  Copyright (c)  2004-2015  Electric Sheep Fencing, LLC. All rights reserved.
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 *	Copyright (c) 2011 Seth Mos <seth.mos@dds.nl>
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 *
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 *  Some or all of this file is based on the m0n0wall project which is
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 *  Copyright (c)  2004 Manuel Kasper (BSD 2 clause)
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 *
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 *  Redistribution and use in source and binary forms, with or without modification,
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 *  are permitted provided that the following conditions are met:
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 *
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 *  1. Redistributions of source code must retain the above copyright notice,
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 *      this list of conditions and the following disclaimer.
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 *
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 *  2. Redistributions in binary form must reproduce the above copyright
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 *      notice, this list of conditions and the following disclaimer in
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 *      the documentation and/or other materials provided with the
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 *      distribution.
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 *
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 *  3. All advertising materials mentioning features or use of this software
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 *      must display the following acknowledgment:
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 *      "This product includes software developed by the pfSense Project
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 *       for use in the pfSense software distribution. (http://www.pfsense.org/).
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 *
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 *  4. The names "pfSense" and "pfSense Project" must not be used to
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 *       endorse or promote products derived from this software without
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 *       prior written permission. For written permission, please contact
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 *       coreteam@pfsense.org.
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 *
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 *  5. Products derived from this software may not be called "pfSense"
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 *      nor may "pfSense" appear in their names without prior written
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 *      permission of the Electric Sheep Fencing, LLC.
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 *
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 *  6. Redistributions of any form whatsoever must retain the following
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 *      acknowledgment:
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 *
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 *  "This product includes software developed by the pfSense Project
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 *  for use in the pfSense software distribution (http://www.pfsense.org/).
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 *
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 *  THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY
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 *  EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 *  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE pfSense PROJECT OR
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 *  ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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 *  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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 *  OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 *  ====================================================================
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 *
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 */
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##|+PRIV
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##|*IDENT=page-diagnostics-ndptable
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##|*NAME=Diagnostics: NDP Table
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##|*DESCR=Allow access to the 'Diagnostics: NDP Table' page.
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##|*MATCH=diag_ndp.php*
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##|-PRIV
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@ini_set('zlib.output_compression', 0);
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@ini_set('implicit_flush', 1);
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require("guiconfig.inc");
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exec("/usr/sbin/ndp -na", $rawdata);
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$i = 0;
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/* if list */
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$ifdescrs = get_configured_interface_with_descr();
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foreach ($ifdescrs as $key =>$interface) {
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	$hwif[$config['interfaces'][$key]['if']] = $interface;
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}
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/* Array ( [0] => Neighbor [1] => Linklayer [2] => Address
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[3] => Netif [4] => Expire [5] => S
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[6] => Flags ) */
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$data = array();
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array_shift($rawdata);
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foreach ($rawdata as $line) {
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	$elements = preg_split('/[ ]+/', $line);
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	$ndpent = array();
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	$ndpent['ipv6'] = trim($elements[0]);
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	$ndpent['mac'] = trim($elements[1]);
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	$ndpent['interface'] = trim($elements[2]);
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	$data[] = $ndpent;
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}
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/* FIXME: Not ipv6 compatible dns resolving. PHP needs fixing */
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function _getHostName($mac, $ip) {
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	if (is_ipaddr($ip)) {
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		list($ip, $scope) = explode("%", $ip);
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		if (gethostbyaddr($ip) <> "" and gethostbyaddr($ip) <> $ip) {
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			return gethostbyaddr($ip);
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		} else {
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			return "";
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		}
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	}
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}
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// Resolve hostnames and replace Z_ with "".  The intention
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// is to sort the list by hostnames, alpha and then the non
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// resolvable addresses will appear last in the list.
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foreach ($data as &$entry) {
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	$dns = trim(_getHostName($entry['mac'], $entry['ipv6']));
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	if (trim($dns)) {
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		$entry['dnsresolve'] = "$dns";
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	} else {
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		$entry['dnsresolve'] = "Z_ ";
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	}
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}
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// Sort the data alpha first
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$data = msort($data, "dnsresolve");
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// Load MAC-Manufacturer table
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$mac_man = load_mac_manufacturer_table();
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$pgtitle = array(gettext("Diagnostics"), gettext("NDP Table"));
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include("head.inc");
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?>
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<div class="panel panel-default">
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	<div class="panel-heading"><h2 class="panel-title"><?=gettext('NDP Table')?></h2></div>
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	<div class="panel-body">
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<div class="table-responsive">
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	<table class="table table-striped table-condensed table-hover sortable-theme-bootstrap" data-sortable>
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		<thead>
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			<tr>
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				<th><?= gettext("IPv6 address"); ?></th>
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				<th><?= gettext("MAC address"); ?></th>
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				<th><?= gettext("Hostname"); ?></th>
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				<th><?= gettext("Interface"); ?></th>
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			</tr>
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	</thead>
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	<tbody>
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			<?php foreach ($data as $entry): ?>
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				<tr>
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					<td><?=$entry['ipv6']?></td>
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					<td>
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						<?php
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						$mac=trim($entry['mac']);
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						$mac_hi = strtoupper($mac[0] . $mac[1] . $mac[3] . $mac[4] . $mac[6] . $mac[7]);
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						?>
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						<?=$mac?>
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						<?php if (isset($mac_man[$mac_hi])):?>
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							(<?=$mac_man[$mac_hi]?>)
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						<?php endif; ?>
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					</td>
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					<td>
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						<?=htmlspecialchars(str_replace("Z_ ", "", $entry['dnsresolve']))?>
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					</td>
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					<td>
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						<?php
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						if (isset($hwif[$entry['interface']])) {
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							echo $hwif[$entry['interface']];
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						} else {
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							echo $entry['interface'];
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						}
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						?>
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					</td>
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				</tr>
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			<?php endforeach; ?>
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	</tbody>
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	</table>
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</div>
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	</div>
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</div>
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<?php include("foot.inc");
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