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#!/usr/local/bin/php
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<?php
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/* $Id$ */
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/*
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services_proxyarp.php
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part of pfSense
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Copyright (C) 2004 Scott Ullrich
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originally part of m0n0wall (http://m0n0.ch/wall)
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Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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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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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, 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 OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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require("guiconfig.inc");
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if (!is_array($config['proxyarp']['proxyarpnet'])) {
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$config['proxyarp']['proxyarpnet'] = array();
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}
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proxyarp_sort();
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$a_proxyarp = &$config['proxyarp']['proxyarpnet'];
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if ($_POST) {
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$pconfig = $_POST;
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$retval = 0;
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if (!file_exists($d_sysrebootreqd_path)) {
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config_lock();
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$retval = services_proxyarp_configure();
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config_unlock();
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}
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$savemsg = get_std_save_message($retval);
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if ($retval == 0) {
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if (file_exists($d_proxyarpdirty_path))
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unlink($d_proxyarpdirty_path);
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}
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}
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if ($_GET['act'] == "del") {
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if ($a_proxyarp[$_GET['id']]) {
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unset($a_proxyarp[$_GET['id']]);
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write_config();
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touch($d_proxyarpdirty_path);
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header("Location: services_proxyarp.php");
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exit;
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}
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}
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?>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title><?=gentitle("Services: Proxy ARP");?></title>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<link href="gui.css" rel="stylesheet" type="text/css">
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</head>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<p class="pgtitle">Services: Proxy ARP</p>
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<form action="services_proxyarp.php" method="post">
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<?php if ($savemsg) print_info_box($savemsg); ?>
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<?php if (file_exists($d_proxyarpdirty_path)): ?><p>
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<?php print_info_box_np("The proxy ARP configuration has been changed.<br>You must apply the changes in order for them to take effect.");?><br>
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<input name="apply" type="submit" class="formbtn" id="apply" value="Apply changes"></p>
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<?php endif; ?>
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr>
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<td width="20%" class="listhdrr">Interface</td>
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<td width="30%" class="listhdrr">Network</td>
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<td width="40%" class="listhdr">Description</td>
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<td width="10%" class="list"></td>
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</tr>
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<?php $i = 0; foreach ($a_proxyarp as $arpent): ?>
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<tr>
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<td class="listlr" ondblclick="document.location='services_proxyarp_edit.php?id=<?=$i;?>';">
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<?php
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if ($arpent['interface']) {
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$iflabels = array('lan' => 'LAN', 'wan' => 'WAN');
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for ($j = 1; isset($config['interfaces']['opt' . $j]); $j++)
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$iflabels['opt' . $j] = $config['interfaces']['opt' . $j]['descr'];
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echo htmlspecialchars($iflabels[$arpent['interface']]);
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} else {
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echo "WAN";
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}
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?>
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</td>
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<td class="listr" ondblclick="document.location='services_proxyarp_edit.php?id=<?=$i;?>';">
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<?php if (isset($arpent['network'])) {
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list($sa,$sn) = explode("/", $arpent['network']);
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if ($sn == 32)
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echo $sa;
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else
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echo $arpent['network'];
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} else if (isset($arpent['range']))
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echo $arpent['range']['from'] . "-" . $arpent['range']['to'];
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?>
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</td>
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<td class="listbg" ondblclick="document.location='services_proxyarp_edit.php?id=<?=$i;?>';"><font color="white">
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<?=htmlspecialchars($arpent['descr']);?>
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</td>
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<td valign="middle" nowrap class="list">
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<table border="0" cellspacing="0" cellpadding="1">
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<tr>
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<td valign="middle"><a href="services_proxyarp_edit.php?id=<?=$i;?>"><img src="e.gif" width="17" height="17" border="0"></a></td>
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<td valign="middle"><a href="services_proxyarp.php?act=del&id=<?=$i;?>" onclick="return confirm('Do you really want to delete this network?')"><img src="x.gif" width="17" height="17" border="0"></a></td>
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</tr>
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</table>
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</td>
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</tr>
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<?php $i++; endforeach; ?>
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<tr>
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<td class="list" colspan="3"></td>
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<td class="list">
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<table border="0" cellspacing="0" cellpadding="1">
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<tr>
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<td valign="middle"><a href="services_proxyarp_edit.php"><img src="plus.gif" width="17" height="17" border="0"></a></td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</form>
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<p class="vexpl"><span class="red"><strong>Notes:<br>
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</strong></span>
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*Proxy ARP can be used if you need pfSense to send ARP replies on an interface for other IP addresses than its own (e.g. for 1:1, advanced outbound or server NAT). It is not necessary on the WAN interface if you have a subnet routed to you or if you use PPPoE/PPTP, and it only works on the WAN interface if it's configured with a static IP address or DHCP.</p>
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<br>
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*CARP can be a great replacement for proxyarp.
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<?php include("fend.inc"); ?>
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</body>
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</html>
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