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<?php
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/* $Id$ */
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/*
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diag_ipsec.php
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Copyright (C) 2007 Scott Ullrich
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All rights reserved.
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Parts of this code was originally based on vpn_ipsec_sad.php
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Copyright (C) 2003-2004 Manuel Kasper
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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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$pgtitle = "Diagnostics: IPSec";
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require("guiconfig.inc");
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include("head.inc");
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?>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC" onload="<?= $jsevents["body"]["onload"] ?>">
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<?php include("fbegin.inc"); ?>
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<p class="pgtitle"><?=$pgtitle?></p>
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<div id="inputerrors"></div>
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr>
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<td>
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<?php
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$tab_array = array();
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$tab_array[0] = array("Overview", true, "diag_ipsec_sad.php");
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$tab_array[1] = array("SAD", false, "diag_ipsec_sad.php");
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$tab_array[2] = array("SPD", false, "diag_ipsec_spd.php");
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display_top_tabs($tab_array);
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?>
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</td>
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</tr>
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<tr>
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<td>
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<?php
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/* query SAD */
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$fd = @popen("/sbin/setkey -D", "r");
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$sad = array();
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if ($fd) {
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while (!feof($fd)) {
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$line = chop(fgets($fd));
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if (!$line)
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continue;
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if ($line == "No SAD entries.")
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break;
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if ($line[0] != "\t") {
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if (is_array($cursa))
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$sad[] = $cursa;
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$cursa = array();
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list($cursa['src'],$cursa['dst']) = explode(" ", $line);
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$i = 0;
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} else {
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$linea = explode(" ", trim($line));
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if ($i == 1) {
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$cursa['proto'] = $linea[0];
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$cursa['spi'] = substr($linea[2], strpos($linea[2], "x")+1, -1);
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} else if ($i == 2) {
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$cursa['ealgo'] = $linea[1];
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} else if ($i == 3) {
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$cursa['aalgo'] = $linea[1];
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}
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}
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$i++;
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}
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if (is_array($cursa) && count($cursa))
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$sad[] = $cursa;
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pclose($fd);
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}
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?>
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<div id="mainarea">
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<table class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0">
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<?php if (count($sad)): ?>
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<tr>
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<td nowrap class="listhdrr">Source</td>
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<td nowrap class="listhdrr">Destination</a></td>
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<td nowrap class="listhdrr">Description</a></td>
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<td nowrap class="listhdrr">Status</td>
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</tr>
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<?php
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foreach ($config['ipsec']['tunnel'] as $ipsec): ?>
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<tr>
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<td class="listlr"><?=htmlspecialchars(get_ipsec_tunnel_src($ipsec));?>
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<br/>
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<?php if ($ipsec['local-subnet']['network'])
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echo strtoupper($ipsecent['local-subnet']['network']);
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else
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echo $ipsec['local-subnet']['address'];
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?>
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</td>
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<td class="listr"><?=htmlspecialchars($ipsec['remote-gateway']);?>
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<br/>
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<?=$ipsec['remote-subnet'];?>
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</td>
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<td class="listr"><?=htmlspecialchars($ipsec['descr']);?></td>
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<td class="listr"><?php echo output_ipsec_tunnel_status($ipsec); ?></td>
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</tr>
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<?php endforeach; ?>
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<?php else: ?>
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<tr>
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<td>
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<p>
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<strong>No IPsec security associations.</strong>
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</p>
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</td>
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</tr>
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<?php endif; ?>
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<tr>
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<td colspan="4">
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<p>
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<span class="vexpl">
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<span class="red">
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<strong>
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Note:<br />
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</strong>
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</span>
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You can configure your IPSEC
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<a href="vpn_ipsec.php">here</a>.
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</span>
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</p>
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</td>
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</tr>
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</table>
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</div>
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</td></tr>
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</table>
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<?php include("fend.inc"); ?>
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</body>
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</html>
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<?php
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function get_ipsec_tunnel_src($tunnel) {
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global $g, $config, $sad;
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$if = "WAN";
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if ($tunnel['interface']) {
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$iflabels = array('lan' => 'LAN', 'wan' => 'WAN');
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$carpips = find_number_of_needed_carp_interfaces();
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for($j=0; $j<$carpips; $j++) {
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$interfaceip = find_interface_ip("carp" . $j);
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$iflabels['carp' . $j] = $interfaceip;
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}
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for ($j = 1; isset($config['interfaces']['opt' . $j]); $j++) {
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$realinterface = convert_friendly_interface_to_real_interface_name('opt' . $j);
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$iflabels['opt' . $j] = find_interface_ip($realinterface);
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}
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$interfaceip = $iflabels[$tunnel['interface']];
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} else {
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$realinterface = convert_friendly_interface_to_real_interface_name($if);
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$interfaceip = find_interface_ip($realinterface);
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}
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return $interfaceip;
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}
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function output_ipsec_tunnel_status($tunnel) {
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global $g, $config, $sad;
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$if = "WAN";
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$interfaceip = get_ipsec_tunnel_src($tunnel);
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$foundsrc = false;
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$founddst = false;
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foreach($sad as $sa) {
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if($sa['src'] == $interfaceip)
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$foundsrc = true;
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if($sa['dst'] == $tunnel['remote-gateway'])
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$founddst = true;
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}
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if($foundsrc && $founddst) {
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/* tunnel is up */
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$iconfn = "pass";
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} else {
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/* tunnel is down */
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$iconfn = "reject";
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}
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echo "<img src ='/themes/{$g['theme']}/images/icons/icon_{$iconfn}.gif'>";
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}
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?>
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