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#!/usr/local/bin/php
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<?php
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/*
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vpn_pppoe.php
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part of pfSense
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Copyright (C) 2005 Scott Ullrich (sullrich@gmail.com)
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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($config['pppoe']['radius'])) {
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$config['pppoe']['radius'] = array();
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}
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$pppoecfg = &$config['pppoe'];
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$pconfig['remoteip'] = $pppoecfg['remoteip'];
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$pconfig['localip'] = $pppoecfg['localip'];
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$pconfig['mode'] = $pppoecfg['mode'];
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$pconfig['interface'] = $pppoecfg['interface'];
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$pconfig['radiusenable'] = isset($pppoecfg['radius']['enable']);
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$pconfig['radacct_enable'] = isset($pppoecfg['radius']['accounting']);
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$pconfig['radiusserver'] = $pppoecfg['radius']['server'];
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$pconfig['radiussecret'] = $pppoecfg['radius']['secret'];
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$pconfig['n_pppoe_units'] = $pppoecfg['n_pppoe_units'];
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if ($_POST) {
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unset($input_errors);
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$pconfig = $_POST;
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/* input validation */
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if ($_POST['mode'] == "server") {
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$reqdfields = explode(" ", "localip remoteip");
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$reqdfieldsn = explode(",", "Server address,Remote start address");
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if ($_POST['radiusenable']) {
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$reqdfields = array_merge($reqdfields, explode(" ", "radiusserver radiussecret"));
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$reqdfieldsn = array_merge($reqdfieldsn,
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explode(",", "RADIUS server address,RADIUS shared secret"));
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}
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do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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if (($_POST['localip'] && !is_ipaddr($_POST['localip']))) {
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$input_errors[] = "A valid server address must be specified.";
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}
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if (($_POST['subnet'] && !is_ipaddr($_POST['remoteip']))) {
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$input_errors[] = "A valid remote start address must be specified.";
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}
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if (($_POST['radiusserver'] && !is_ipaddr($_POST['radiusserver']))) {
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$input_errors[] = "A valid RADIUS server address must be specified.";
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}
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if (!$input_errors) {
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$_POST['remoteip'] = $pconfig['remoteip'] = gen_subnet($_POST['remoteip'], $g['pppoe_subnet']);
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$subnet_start = ip2long($_POST['remoteip']);
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$subnet_end = ip2long($_POST['remoteip']) + $g['n_pppoe_units'] - 1;
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if ((ip2long($_POST['localip']) >= $subnet_start) &&
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(ip2long($_POST['localip']) <= $subnet_end)) {
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$input_errors[] = "The specified server address lies in the remote subnet.";
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}
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if ($_POST['localip'] == $config['interfaces']['lan']['ipaddr']) {
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$input_errors[] = "The specified server address is equal to the LAN interface address.";
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}
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}
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}
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if (!$input_errors) {
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$pppoecfg['remoteip'] = $_POST['remoteip'];
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$pppoecfg['localip'] = $_POST['localip'];
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$pppoecfg['mode'] = $_POST['mode'];
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$pppoecfg['interface'] = $_POST['interface'];
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$pppoecfg['n_pppoe_units'] = $_POST['n_pppoe_units'];
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$pppoecfg['radius']['enable'] = $_POST['radiusenable'] ? true : false;
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$pppoecfg['radius']['accounting'] = $_POST['radacct_enable'] ? true : false;
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$pppoecfg['radius']['server'] = $_POST['radiusserver'];
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$pppoecfg['radius']['secret'] = $_POST['radiussecret'];
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write_config();
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$retval = 0;
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config_lock();
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$retval = vpn_pppoe_configure();
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config_unlock();
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$savemsg = get_std_save_message($retval);
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}
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}
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$pgtitle = "VPN: PPPoE";
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include("head.inc");
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?>
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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"><?=$pgtitle?></p>
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<script language="JavaScript">
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<!--
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function get_radio_value(obj)
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{
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for (i = 0; i < obj.length; i++) {
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if (obj[i].checked)
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return obj[i].value;
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}
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return null;
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}
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function enable_change(enable_over) {
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if ((get_radio_value(document.iform.mode) == "server") || enable_over) {
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document.iform.remoteip.disabled = 0;
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document.iform.localip.disabled = 0;
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document.iform.radiusenable.disabled = 0;
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if (document.iform.radiusenable.checked || enable_over) {
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document.iform.radacct_enable.disabled = 0;
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document.iform.radiusserver.disabled = 0;
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document.iform.radiussecret.disabled = 0;
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} else {
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document.iform.radacct_enable.disabled = 1;
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document.iform.radiusserver.disabled = 1;
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document.iform.radiussecret.disabled = 1;
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}
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} else {
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document.iform.remoteip.disabled = 1;
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document.iform.localip.disabled = 1;
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document.iform.radiusenable.disabled = 1;
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document.iform.radacct_enable.disabled = 1;
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document.iform.radiusserver.disabled = 1;
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document.iform.radiussecret.disabled = 1;
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}
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}
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//-->
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</script>
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<form action="vpn_pppoe.php" method="post" name="iform" id="iform">
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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<?php if ($savemsg) print_info_box($savemsg); ?>
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr><td class="tabnavtbl">
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<?php
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$tab_array = array();
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$tab_array[0] = array("Configuration", true, "vpn_pppoe.php");
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$tab_array[1] = array("Users", false, "vpn_pppoe_users.php");
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display_top_tabs($tab_array);
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?>
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</td></tr>
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<tr>
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<td>
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<div id="mainarea">
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<table class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0">
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<tr>
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<td width="22%" valign="top" class="vtable"> </td>
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<td width="78%" class="vtable">
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<input name="mode" type="radio" onclick="enable_change(false)" value="off"
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<?php if (($pconfig['mode'] != "server") && ($pconfig['mode'] != "redir")) echo "checked";?>>
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Off</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vtable"> </td>
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<td width="78%" class="vtable">
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<input type="radio" name="mode" value="server" onclick="enable_change(false)" <?php if ($pconfig['mode'] == "server") echo "checked"; ?>>
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Enable PPPoE server</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncell"><b>Interface</b></td>
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<td width="78%" valign="top" class="vtable">
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<select name="interface" class="formfld" id="interface">
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<?php
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$interfaces = array('lan' => 'LAN', 'wan' => 'WAN');
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for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {
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if (isset($config['interfaces']['opt' . $i]['enable']))
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$interfaces['opt' . $i] = $config['interfaces']['opt' . $i]['descr'];
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}
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foreach ($interfaces as $iface => $ifacename):
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?>
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<option value="<?=$iface;?>" <?php if ($iface == $pconfig['interface']) echo "selected"; ?>>
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<?=htmlspecialchars($ifacename);?>
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</option>
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<?php endforeach; ?>
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</select> <br>
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</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Subnet netmask</td>
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<td width="78%" class="vtable">
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<select id="n_pppoe_units" name="n_pppoe_units">
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<?php
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for($x=0; $x<33; $x++) {
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if($x == $pconfig['n_pppoe_units'])
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$SELECTED = " SELECTED";
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else
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$SELECTED = "";
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echo "<option value=\"{$x}\"{$SELECTED}>{$x}</option>\n";
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}
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?>
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</select>
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<br>Hint: 24 is 255.255.255.0
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</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Server address</td>
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<td width="78%" class="vtable">
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<?=$mandfldhtml;?><input name="localip" type="text" class="formfld" id="localip" size="20" value="<?=htmlspecialchars($pconfig['localip']);?>">
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<br>
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Enter the IP address the PPPoE server should use on its side
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for all clients.</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Remote address range</td>
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<td width="78%" class="vtable">
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<?=$mandfldhtml;?><input name="remoteip" type="text" class="formfld" id="remoteip" size="20" value="<?=htmlspecialchars($pconfig['remoteip']);?>">
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/
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<?=$g['pppoe_subnet'];?>
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<br>
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Specify the starting address for the client IP address subnet.<br>
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The PPPoE server will assign
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<?=$g['n_pppoe_units'];?>
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addresses, starting at the address entered above, to clients.</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncell">RADIUS</td>
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<td width="78%" class="vtable">
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<input name="radiusenable" type="checkbox" id="radiusenable" onclick="enable_change(false)" value="yes" <?php if ($pconfig['radiusenable']) echo "checked"; ?>>
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<strong>Use a RADIUS server for authentication<br>
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</strong>When set, all users will be authenticated using
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the RADIUS server specified below. The local user database
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will not be used.<br>
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<br>
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<input name="radacct_enable" type="checkbox" id="radacct_enable" onclick="enable_change(false)" value="yes" <?php if ($pconfig['radacct_enable']) echo "checked"; ?>>
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<strong>Enable RADIUS accounting <br>
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</strong>Sends accounting packets to the RADIUS server.</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncell">RADIUS server </td>
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<td width="78%" class="vtable">
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<input name="radiusserver" type="text" class="formfld" id="radiusserver" size="20" value="<?=htmlspecialchars($pconfig['radiusserver']);?>">
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<br>
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Enter the IP address of the RADIUS server.</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncell">RADIUS shared secret</td>
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<td width="78%" valign="top" class="vtable">
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<input name="radiussecret" type="password" class="formfld" id="radiussecret" size="20" value="<?=htmlspecialchars($pconfig['radiussecret']);?>">
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<br>
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Enter the shared secret that will be used to authenticate
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to the RADIUS server.</td>
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</tr>
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<tr>
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<td height="16" colspan="2" valign="top"></td>
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</tr>
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<tr>
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<td width="22%" valign="top"> </td>
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<td width="78%">
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<input name="Submit" type="submit" class="formbtn" value="Save" onclick="enable_change(true)">
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</td>
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</tr>
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<tr>
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<td width="22%" valign="top"> </td>
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<td width="78%"><span class="vexpl"><span class="red"><strong>Note:<br>
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</strong></span>don't forget to add a firewall rule to permit
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traffic from PPPoE clients!</span></td>
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</tr>
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</table>
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</div>
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</td>
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</tr>
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</table>
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</form>
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<script language="JavaScript">
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<!--
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enable_change(false);
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//-->
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</script>
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<?php include("fend.inc"); ?>
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</body>
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</html>
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