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authorErmal Luçi <eri@pfsense.org>2009-02-01 17:13:15 +0000
committerErmal Luçi <eri@pfsense.org>2009-02-01 17:13:15 +0000
commit5656fe23b408cc8e515f9a599f043674de826747 (patch)
tree40034f081c792e98e65a782a43c5e25e5ba4fab3 /usr/local/www/vpn_l2tp.php
parent617f8d25420ae4fc99283d57ce466142255a78c5 (diff)
downloadpfsense-5656fe23b408cc8e515f9a599f043674de826747.zip
pfsense-5656fe23b408cc8e515f9a599f043674de826747.tar.gz
Add more L2TP backend code.
Diffstat (limited to 'usr/local/www/vpn_l2tp.php')
-rw-r--r--usr/local/www/vpn_l2tp.php386
1 files changed, 386 insertions, 0 deletions
diff --git a/usr/local/www/vpn_l2tp.php b/usr/local/www/vpn_l2tp.php
new file mode 100644
index 0000000..231eef1
--- /dev/null
+++ b/usr/local/www/vpn_l2tp.php
@@ -0,0 +1,386 @@
+<?php
+/*
+ vpn_l2tp.php
+ part of pfSense
+
+ Copyright (C) 2005 Scott Ullrich (sullrich@gmail.com)
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+*/
+
+$pgtitle = array(gettext("VPN"), gettext("L2TP"), gettext("L2TP"));
+
+require("guiconfig.inc");
+
+if (!is_array($config['l2tp']['radius'])) {
+ $config['l2tp']['radius'] = array();
+}
+$l2tpcfg = &$config['l2tp'];
+
+$pconfig['remoteip'] = $l2tpcfg['remoteip'];
+$pconfig['localip'] = $l2tpcfg['localip'];
+$pconfig['mode'] = $l2tpcfg['mode'];
+$pconfig['interface'] = $l2tpcfg['interface'];
+$pconfig['radiusenable'] = isset($l2tpcfg['radius']['enable']);
+$pconfig['radacct_enable'] = isset($l2tpcfg['radius']['accounting']);
+$pconfig['radiusserver'] = $l2tpcfg['radius']['server'];
+$pconfig['radiussecret'] = $l2tpcfg['radius']['secret'];
+$pconfig['radiusissueips'] = $l2tpcfg['radius']['radiusissueips'];
+$pconfig['n_l2tp_units'] = $l2tpcfg['n_l2tp_units'];
+$pconfig['paporchap'] = $l2tpcfg['paporchap'];
+
+if ($_POST) {
+
+ unset($input_errors);
+ $pconfig = $_POST;
+
+ /* input validation */
+ if ($_POST['mode'] == "server") {
+ $reqdfields = explode(" ", "localip remoteip");
+ $reqdfieldsn = explode(",", "Server address,Remote start address");
+
+ if ($_POST['radiusenable']) {
+ $reqdfields = array_merge($reqdfields, explode(" ", "radiusserver radiussecret"));
+ $reqdfieldsn = array_merge($reqdfieldsn,
+ explode(",", "RADIUS server address,RADIUS shared secret"));
+ }
+
+ do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
+
+ if (($_POST['localip'] && !is_ipaddr($_POST['localip']))) {
+ $input_errors[] = gettext("A valid server address must be specified.");
+ }
+ if (($_POST['subnet'] && !is_ipaddr($_POST['remoteip']))) {
+ $input_errors[] = gettext("A valid remote start address must be specified.");
+ }
+ if (($_POST['radiusserver'] && !is_ipaddr($_POST['radiusserver']))) {
+ $input_errors[] = gettext("A valid RADIUS server address must be specified.");
+ }
+
+ /* if this is an AJAX caller then handle via JSON */
+ if(isAjax() && is_array($input_errors)) {
+ input_errors2Ajax($input_errors);
+ exit;
+ }
+
+ if (!$input_errors) {
+ $_POST['remoteip'] = $pconfig['remoteip'] = gen_subnet($_POST['remoteip'], $g['l2tp_subnet']);
+ $subnet_start = ip2long($_POST['remoteip']);
+ $subnet_end = ip2long($_POST['remoteip']) + $g['n_l2tp_units'] - 1;
+
+ if ((ip2long($_POST['localip']) >= $subnet_start) &&
+ (ip2long($_POST['localip']) <= $subnet_end)) {
+ $input_errors[] = gettext("The specified server address lies in the remote subnet.");
+ }
+ if ($_POST['localip'] == $config['interfaces']['lan']['ipaddr']) {
+ $input_errors[] = gettext("The specified server address is equal to the LAN interface address.");
+ }
+ }
+ }
+
+ /* if this is an AJAX caller then handle via JSON */
+ if(isAjax() && is_array($input_errors)) {
+ input_errors2Ajax($input_errors);
+ exit;
+ }
+
+ if (!$input_errors) {
+ $l2tpcfg['remoteip'] = $_POST['remoteip'];
+ $l2tpcfg['localip'] = $_POST['localip'];
+ $l2tpcfg['mode'] = $_POST['mode'];
+ $l2tpcfg['interface'] = $_POST['interface'];
+ $l2tpcfg['n_l2tp_units'] = $_POST['n_l2tp_units'];
+
+ $l2tpcfg['radius']['server'] = $_POST['radiusserver'];
+ $l2tpcfg['radius']['secret'] = $_POST['radiussecret'];
+
+ $l2tpcfg['paporchap'] = $_POST['paporchap'];
+
+ if($_POST['radiusenable'] == "yes")
+ $l2tpcfg['radius']['enable'] = true;
+ else
+ unset($l2tpcfg['radius']['enable']);
+
+ if($_POST['radacct_enable'] == "yes")
+ $l2tpcfg['radius']['accounting'] = true;
+ else
+ unset($l2tpcfg['radius']['accounting']);
+
+ if($_POST['radiusissueips'] == "yes")
+ $l2tpcfg['radius']['radiusissueips'] = true;
+ else
+ unset($l2tpcfg['radius']['radiusissueips']);
+
+ write_config();
+
+ $retval = 0;
+
+ config_lock();
+ $retval = vpn_l2tp_configure();
+ config_unlock();
+
+ $savemsg = get_std_save_message($retval);
+
+ /* if ajax is calling, give them an update message */
+ if(isAjax())
+ print_info_box_np($savemsg);
+ }
+}
+
+include("head.inc");
+?>
+
+<body link="#0000CC" vlink="#0000CC" alink="#0000CC" onload="<?= $jsevents["body"]["onload"] ?>">
+<?php include("fbegin.inc"); ?>
+
+<script type="text/javascript">
+<!--
+function get_radio_value(obj)
+{
+ for (i = 0; i < obj.length; i++) {
+ if (obj[i].checked)
+ return obj[i].value;
+ }
+ return null;
+}
+
+function enable_change(enable_over) {
+ if ((get_radio_value(document.iform.mode) == "server") || enable_over) {
+ document.iform.remoteip.disabled = 0;
+ document.iform.localip.disabled = 0;
+ document.iform.radiusenable.disabled = 0;
+ document.iform.radiusissueips.disabled = 0;
+ document.iform.paporchap.disabled = 0;
+ document.iform.interface.disabled = 0;
+ document.iform.n_l2tp_units.disabled = 0;
+ /* fix colors */
+ document.iform.remoteip.style.backgroundColor = '#FFFFFF';
+ document.iform.localip.style.backgroundColor = '#FFFFFF';
+ document.iform.radiusenable.style.backgroundColor = '#FFFFFF';
+ document.iform.radiusissueips.style.backgroundColor = '#FFFFFF';
+ document.iform.paporchap.style.backgroundColor = '#FFFFFF';
+ document.iform.interface.style.backgroundColor = '#FFFFFF';
+ document.iform.n_l2tp_units.style.backgroundColor = '#FFFFFF';
+ if (document.iform.radiusenable.checked || enable_over) {
+ document.iform.radacct_enable.disabled = 0;
+ document.iform.radiusserver.disabled = 0;
+ document.iform.radiussecret.disabled = 0;
+ document.iform.radiusissueips.disabled = 0;
+ /* fix colors */
+ document.iform.radacct_enable.style.backgroundColor = '#FFFFFF';
+ document.iform.radiusserver.style.backgroundColor = '#FFFFFF';
+ document.iform.radiussecret.style.backgroundColor = '#FFFFFF';
+ document.iform.radiusissueips.style.backgroundColor = '#FFFFFF';
+ } else {
+ document.iform.radacct_enable.disabled = 1;
+ document.iform.radiusserver.disabled = 1;
+ document.iform.radiussecret.disabled = 1;
+ document.iform.radiusissueips.disabled = 1;
+ /* fix colors */
+ document.iform.radacct_enable.style.backgroundColor = '#D4D0C8';
+ document.iform.radiusserver.style.backgroundColor = '#D4D0C8';
+ document.iform.radiussecret.style.backgroundColor = '#D4D0C8';
+ document.iform.radiusissueips.style.backgroundColor = '#D4D0C8';
+ }
+ } else {
+ document.iform.interface.disabled = 1;
+ document.iform.n_l2tp_units.disabled = 1;
+ document.iform.paporchap.disabled = 1;
+ document.iform.remoteip.disabled = 1;
+ document.iform.localip.disabled = 1;
+ document.iform.radiusenable.disabled = 1;
+ document.iform.radacct_enable.disabled = 1;
+ document.iform.radiusserver.disabled = 1;
+ document.iform.radiussecret.disabled = 1;
+ document.iform.radiusissueips.disabled = 1;
+ /* fix colors */
+ document.iform.interface.style.backgroundColor = '#D4D0C8';
+ document.iform.n_l2tp_units.style.backgroundColor = '#D4D0C8';
+ document.iform.paporchap.style.backgroundColor = '#D4D0C8';
+ document.iform.remoteip.style.backgroundColor = '#D4D0C8';
+ document.iform.localip.style.backgroundColor = '#D4D0C8';
+ document.iform.radiusenable.style.backgroundColor = '#D4D0C8';
+ document.iform.radacct_enable.style.backgroundColor = '#D4D0C8';
+ document.iform.radiusserver.style.backgroundColor = '#D4D0C8';
+ document.iform.radiussecret.style.backgroundColor = '#D4D0C8';
+ document.iform.radiusissueips.style.backgroundColor = '#D4D0C8';
+ }
+}
+//-->
+</script>
+<form action="vpn_l2tp.php" method="post" name="iform" id="iform">
+<?php if ($input_errors) print_input_errors($input_errors); ?>
+<?php if ($savemsg) print_info_box($savemsg); ?>
+<div id="inputerrors"></div>
+<table width="100%" border="0" cellpadding="0" cellspacing="0">
+ <tr><td class="tabnavtbl">
+<?php
+ $tab_array = array();
+ $tab_array[0] = array(gettext("Configuration"), true, "vpn_l2tp.php");
+ $tab_array[1] = array(gettext("Users"), false, "vpn_l2tp_users.php");
+ display_top_tabs($tab_array);
+?>
+ </td></tr>
+ <tr>
+ <td>
+ <div id="mainarea">
+ <table class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0">
+ <tr>
+ <td width="22%" valign="top" class="vtable">&nbsp;</td>
+ <td width="78%" class="vtable">
+ <input name="mode" type="radio" onclick="enable_change(false)" value="off"
+ <?php if (($pconfig['mode'] != "server") && ($pconfig['mode'] != "redir")) echo "checked=\"checked\"";?> />
+ Off</td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vtable">&nbsp;</td>
+ <td width="78%" class="vtable">
+ <input type="radio" name="mode" value="server" onclick="enable_change(false)" <?php if ($pconfig['mode'] == "server") echo "checked=\"checked\""; ?> />
+ Enable l2tp server</td>
+ </tr>
+
+ <tr>
+ <td width="22%" valign="top" class="vncell"><b><?=gettext("Interface");?></b></td>
+ <td width="78%" valign="top" class="vtable">
+
+ <select name="interface" class="formselect" id="interface">
+ <?php
+ $interfaces = array('lan' => 'LAN', 'wan' => 'WAN');
+ for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {
+ if (isset($config['interfaces']['opt' . $i]['enable']))
+ $interfaces['opt' . $i] = $config['interfaces']['opt' . $i]['descr'];
+ }
+ foreach ($interfaces as $iface => $ifacename):
+ ?>
+ <option value="<?=$iface;?>" <?php if ($iface == $pconfig['interface']) echo "selected"; ?>>
+ <?=htmlspecialchars($ifacename);?>
+ </option>
+ <?php endforeach; ?>
+ </select> <br />
+
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncellreq"><?=gettext("Server address");?></td>
+ <td width="78%" class="vtable">
+ <?=$mandfldhtml;?><input name="localip" type="text" class="formfld unknown" id="localip" size="20" value="<?=htmlspecialchars($pconfig['localip']);?>" />
+ <br />
+ <?=gettext("Enter the IP address the l2tp server should use on its side for all clients.");?></td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncellreq"><?=gettext("Remote address range");?></td>
+ <td width="78%" class="vtable">
+ <?=$mandfldhtml;?><input name="remoteip" type="text" class="formfld unknown" id="remoteip" size="20" value="<?=htmlspecialchars($pconfig['remoteip']);?>" />
+ <br />
+ <?=gettext("Specify the starting address for the client IP address subnet.");?><br />
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncellreq">No. L2TP users</td>
+ <td width="78%" class="vtable">
+ <select id="n_l2tp_units" name="n_l2tp_units">
+ <?php
+ for($x=0; $x<255; $x++) {
+ if($x == $pconfig['n_l2tp_units'])
+ $SELECTED = " SELECTED";
+ else
+ $SELECTED = "";
+ echo "<option value=\"{$x}\"{$SELECTED}>{$x}</option>\n";
+ }
+ ?>
+ </select>
+ <br>Hint: 10 is TEN l2tp clients
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncellreq"><?=gettext("Encyrption type");?></td>
+ <td width="78%" class="vtable">
+ <?=$mandfldhtml;?><select name="paporchap" id="paporchap">
+ <option value='chap'<?php if($pconfig['paporchap'] == "chap") echo " SELECTED"; ?>>CHAP</option>
+ <option value='pap'<?php if($pconfig['paporchap'] == "pap") echo " SELECTED"; ?>>PAP</option>
+ </select>
+ <br />
+ <?=gettext("Specifies which protocol to use for authentication.");?><br />
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell">RADIUS</td>
+ <td width="78%" class="vtable">
+ <input name="radiusenable" type="checkbox" id="radiusenable" onclick="enable_change(false)" value="yes" <?php if ($pconfig['radiusenable']) echo "checked=\"checked\""; ?> />
+ <strong> <?=gettext("Use a RADIUS server for authentication");?><br /></strong>
+ <?=gettext("When set, all users will be authenticated using the RADIUS server specified below. The local user database will not be used.");?><br />
+ <br />
+ <input name="radacct_enable" type="checkbox" id="radacct_enable" onclick="enable_change(false)" value="yes" <?php if ($pconfig['radacct_enable']) echo "checked=\"checked\""; ?> />
+ <strong><?=gettext("Enable RADIUS accounting");?></strong><br />
+ <?=gettext("Sends accounting packets to the RADIUS server.");?></td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell"><?=gettext("RADIUS server");?></td>
+ <td width="78%" class="vtable">
+ <input name="radiusserver" type="text" class="formfld unknown" id="radiusserver" size="20" value="<?=htmlspecialchars($pconfig['radiusserver']);?>" />
+ <br />
+ <?=gettext("Enter the IP address of the RADIUS server.");?></td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell"><?=gettext("RADIUS shared secret");?></td>
+ <td width="78%" valign="top" class="vtable">
+ <input name="radiussecret" type="password" class="formfld pwd" id="radiussecret" size="20" value="<?=htmlspecialchars($pconfig['radiussecret']);?>" />
+ <br />
+ <?=gettext("Enter the shared secret that will be used to authenticate to the RADIUS server.");?></td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell"><?=gettext("RADIUS issued IP's");?></td>
+ <td width="78%" valign="top" class="vtable">
+ <input name="radiusissueips" value="yes" type="checkbox" class="formfld" id="radiusissueips"<?php if(isset($pconfig['radiusissueips'])) echo " checked=\"checked\""; ?> />
+ <br />
+ <?=gettext("Issue IP Addresses via RADIUS server.");?>
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top">&nbsp;</td>
+ <td width="78%">
+ <input id="submit" name="Submit" type="submit" class="formbtn" value="Save" onclick="enable_change(true)" />
+ </td>
+ </tr>
+ <tr>
+ <td colspan="2">
+ <span class="vexpl">
+ <strong class="red"><?=gettext("Note");?>:</strong><br />
+ <?=gettext("Don't forget to add a firewall rule to permit traffic from L2TP clients!");?>
+ </span>
+ </td>
+ </tr>
+ </table>
+ </div>
+ </td>
+ </tr>
+</table>
+</form>
+
+<script type="text/javascript">
+ enable_change(false);
+</script>
+
+<?php include("fend.inc"); ?>
+</body>
+</html>
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