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1 files changed, 527 insertions, 0 deletions

diff --git a/usr/local/www/vpn_ipsec_edit.php b/usr/local/www/vpn_ipsec_edit.php
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+++ b/usr/local/www/vpn_ipsec_edit.php
@@ -0,0 +1,527 @@
+#!/usr/local/bin/php
+<?php
+/*
+	vpn_ipsec_edit.php
+	part of m0n0wall (http://m0n0.ch/wall)
+	
+	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
+	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.
+*/
+
+require("guiconfig.inc");
+
+if (!is_array($config['ipsec']['tunnel'])) {
+	$config['ipsec']['tunnel'] = array();
+}
+$a_ipsec = &$config['ipsec']['tunnel'];
+
+$specialsrcdst = explode(" ", "lan");
+
+$id = $_GET['id'];
+if (isset($_POST['id']))
+	$id = $_POST['id'];
+	
+function is_specialnet($net) {
+	global $specialsrcdst;
+	
+	if (in_array($net, $specialsrcdst))
+		return true;
+	else
+		return false;
+}
+
+function address_to_pconfig($adr, &$padr, &$pmask) {
+		
+	if ($adr['network'])
+		$padr = $adr['network'];
+	else if ($adr['address']) {
+		list($padr, $pmask) = explode("/", $adr['address']);
+		if (is_null($pmask))
+			$pmask = 32;
+	}
+}
+
+function pconfig_to_address(&$adr, $padr, $pmask) {
+	
+	$adr = array();
+	
+	if (is_specialnet($padr))
+		$adr['network'] = $padr;
+	else {
+		$adr['address'] = $padr;
+		if ($pmask != 32)
+			$adr['address'] .= "/" . $pmask;
+	}
+}
+
+if (isset($id) && $a_ipsec[$id]) {
+	$pconfig['disabled'] = isset($a_ipsec[$id]['disabled']);
+	$pconfig['auto'] = isset($a_ipsec[$id]['auto']);
+
+	if (!isset($a_ipsec[$id]['local-subnet']))
+		$pconfig['localnet'] = "lan";
+	else
+		address_to_pconfig($a_ipsec[$id]['local-subnet'], $pconfig['localnet'], $pconfig['localnetmask']);
+		
+	if ($a_ipsec[$id]['interface'])
+		$pconfig['interface'] = $a_ipsec[$id]['interface'];
+	else
+		$pconfig['interface'] = "wan";
+		
+	list($pconfig['remotenet'],$pconfig['remotebits']) = explode("/", $a_ipsec[$id]['remote-subnet']);
+	$pconfig['remotegw'] = $a_ipsec[$id]['remote-gateway'];
+	$pconfig['p1mode'] = $a_ipsec[$id]['p1']['mode'];
+	
+	if (isset($a_ipsec[$id]['p1']['myident']['myaddress']))
+		$pconfig['p1myidentt'] = 'myaddress';
+	else if (isset($a_ipsec[$id]['p1']['myident']['address'])) {
+		$pconfig['p1myidentt'] = 'address';
+		$pconfig['p1myident'] = $a_ipsec[$id]['p1']['myident']['address'];
+	} else if (isset($a_ipsec[$id]['p1']['myident']['fqdn'])) {
+		$pconfig['p1myidentt'] = 'fqdn';
+		$pconfig['p1myident'] = $a_ipsec[$id]['p1']['myident']['fqdn'];
+	} else if (isset($a_ipsec[$id]['p1']['myident']['ufqdn'])) {
+		$pconfig['p1myidentt'] = 'user_fqdn';
+		$pconfig['p1myident'] = $a_ipsec[$id]['p1']['myident']['ufqdn'];
+ 	}
+	
+	$pconfig['p1ealgo'] = $a_ipsec[$id]['p1']['encryption-algorithm'];
+	$pconfig['p1halgo'] = $a_ipsec[$id]['p1']['hash-algorithm'];
+	$pconfig['p1dhgroup'] = $a_ipsec[$id]['p1']['dhgroup'];
+	$pconfig['p1lifetime'] = $a_ipsec[$id]['p1']['lifetime'];
+	$pconfig['p1pskey'] = $a_ipsec[$id]['p1']['pre-shared-key'];
+	$pconfig['p2proto'] = $a_ipsec[$id]['p2']['protocol'];
+	$pconfig['p2ealgos'] = $a_ipsec[$id]['p2']['encryption-algorithm-option'];
+	$pconfig['p2halgos'] = $a_ipsec[$id]['p2']['hash-algorithm-option'];
+	$pconfig['p2pfsgroup'] = $a_ipsec[$id]['p2']['pfsgroup'];
+	$pconfig['p2lifetime'] = $a_ipsec[$id]['p2']['lifetime'];
+	$pconfig['descr'] = $a_ipsec[$id]['descr'];
+	
+} else {
+	/* defaults */
+	$pconfig['interface'] = "wan";
+	$pconfig['localnet'] = "lan";
+	$pconfig['p1mode'] = "aggressive";
+	$pconfig['p1myidentt'] = "myaddress";
+	$pconfig['p1ealgo'] = "3des";
+	$pconfig['p1halgo'] = "sha1";
+	$pconfig['p1dhgroup'] = "2";
+	$pconfig['p2proto'] = "esp";
+	$pconfig['p2ealgos'] = explode(",", "3des,blowfish,cast128,rijndael");
+	$pconfig['p2halgos'] = explode(",", "hmac_sha1,hmac_md5");
+	$pconfig['p2pfsgroup'] = "0";
+}
+
+if ($_POST) {
+	if (is_specialnet($_POST['localnettype'])) {
+		$_POST['localnet'] = $_POST['localnettype'];
+		$_POST['localnetmask'] = 0;
+	} else if ($_POST['localnettype'] == "single") {
+		$_POST['localnetmask'] = 32;
+	}
+	
+	unset($input_errors);
+	$pconfig = $_POST;
+
+	/* input validation */
+	$reqdfields = explode(" ", "localnet remotenet remotebits remotegw p1pskey p2ealgos p2halgos");
+	$reqdfieldsn = explode(",", "Local network,Remote network,Remote network bits,Remote gateway,Pre-Shared Key,P2 Encryption Algorithms,P2 Hash Algorithms");
+	
+	do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
+	
+	if (!is_specialnet($_POST['localnettype'])) {
+		if (($_POST['localnet'] && !is_ipaddr($_POST['localnet']))) {
+			$input_errors[] = "A valid local network IP address must be specified.";
+		}
+		if (($_POST['localnetmask'] && !is_numeric($_POST['localnetmask']))) {
+			$input_errors[] = "A valid local network bit count must be specified.";
+		}
+	}
+	if (($_POST['p1lifetime'] && !is_numeric($_POST['p1lifetime']))) {
+		$input_errors[] = "The P1 lifetime must be an integer.";
+	}
+	if (($_POST['p2lifetime'] && !is_numeric($_POST['p2lifetime']))) {
+		$input_errors[] = "The P2 lifetime must be an integer.";
+	}
+	if ($_POST['remotebits'] && (!is_numeric($_POST['remotebits']) || ($_POST['remotebits'] <= 0) || ($_POST['remotebits'] > 32))) {
+		$input_errors[] = "The remote network bits are invalid.";
+	}
+	if (($_POST['remotenet'] && !is_ipaddr($_POST['remotenet']))) {
+		$input_errors[] = "A valid remote network address must be specified.";
+	}
+	if (($_POST['remotegw'] && !is_ipaddr($_POST['remotegw']))) {
+		$input_errors[] = "A valid remote gateway address must be specified.";
+	}
+	if ((($_POST['p1myidentt'] == "address") && !is_ipaddr($_POST['p1myident']))) {
+		$input_errors[] = "A valid IP address for 'My identifier' must be specified.";
+	}
+	if ((($_POST['p1myidentt'] == "fqdn") && !is_domain($_POST['p1myident']))) {
+		$input_errors[] = "A valid domain name for 'My identifier' must be specified.";
+	}
+	if ($_POST['p1myidentt'] == "user_fqdn") {
+		$ufqdn = explode("@",$_POST['p1myident']);
+		if (!is_domain($ufqdn[1])) 
+			$input_errors[] = "A valid User FQDN in the form of user@my.domain.com for 'My identifier' must be specified.";
+	}
+	
+	if ($_POST['p1myidentt'] == "myaddress")
+		$_POST['p1myident'] = "";
+
+	if (!$input_errors) {
+		$ipsecent['disabled'] = $_POST['disabled'] ? true : false;
+		$ipsecent['auto'] = $_POST['auto'] ? true : false;
+		$ipsecent['interface'] = $pconfig['interface'];
+		pconfig_to_address($ipsecent['local-subnet'], $_POST['localnet'], $_POST['localnetmask']);
+		$ipsecent['remote-subnet'] = $_POST['remotenet'] . "/" . $_POST['remotebits'];
+		$ipsecent['remote-gateway'] = $_POST['remotegw'];
+		$ipsecent['p1']['mode'] = $_POST['p1mode'];
+		
+		$ipsecent['p1']['myident'] = array();
+		switch ($_POST['p1myidentt']) {
+			case 'myaddress':
+				$ipsecent['p1']['myident']['myaddress'] = true;
+				break;
+			case 'address':
+				$ipsecent['p1']['myident']['address'] = $_POST['p1myident'];
+				break;
+			case 'fqdn':
+				$ipsecent['p1']['myident']['fqdn'] = $_POST['p1myident'];
+				break;
+			case 'user_fqdn':
+				$ipsecent['p1']['myident']['ufqdn'] = $_POST['p1myident'];
+				break;
+		}
+		
+		$ipsecent['p1']['encryption-algorithm'] = $_POST['p1ealgo'];
+		$ipsecent['p1']['hash-algorithm'] = $_POST['p1halgo'];
+		$ipsecent['p1']['dhgroup'] = $_POST['p1dhgroup'];
+		$ipsecent['p1']['lifetime'] = $_POST['p1lifetime'];
+		$ipsecent['p1']['pre-shared-key'] = $_POST['p1pskey'];
+		$ipsecent['p2']['protocol'] = $_POST['p2proto'];
+		$ipsecent['p2']['encryption-algorithm-option'] = $_POST['p2ealgos'];
+		$ipsecent['p2']['hash-algorithm-option'] = $_POST['p2halgos'];
+		$ipsecent['p2']['pfsgroup'] = $_POST['p2pfsgroup'];
+		$ipsecent['p2']['lifetime'] = $_POST['p2lifetime'];
+		$ipsecent['descr'] = $_POST['descr'];
+		
+		if (isset($id) && $a_ipsec[$id])
+			$a_ipsec[$id] = $ipsecent;
+		else
+			$a_ipsec[] = $ipsecent;
+		
+		write_config();
+		touch($d_ipsecconfdirty_path);
+		
+		header("Location: vpn_ipsec.php");
+		exit;
+	}
+}
+?>
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html>
+<head>
+<title><?=gentitle("VPN: IPsec: Edit tunnel");?></title>
+<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
+<link href="gui.css" rel="stylesheet" type="text/css">
+<script language="JavaScript">
+<!--
+function typesel_change() {
+	switch (document.iform.localnettype.selectedIndex) {
+		case 0:	/* single */
+			document.iform.localnet.disabled = 0;
+			document.iform.localnetmask.value = "";
+			document.iform.localnetmask.disabled = 1;
+			break;
+		case 1:	/* network */
+			document.iform.localnet.disabled = 0;
+			document.iform.localnetmask.disabled = 0;
+			break;
+		default:
+			document.iform.localnet.value = "";
+			document.iform.localnet.disabled = 1;
+			document.iform.localnetmask.value = "";
+			document.iform.localnetmask.disabled = 1;
+			break;
+	}
+}
+//-->
+</script>
+</head>
+
+<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
+<?php include("fbegin.inc"); ?>
+<p class="pgtitle">VPN: IPsec: Edit tunnel</p>
+<?php if ($input_errors) print_input_errors($input_errors); ?>
+            <form action="vpn_ipsec_edit.php" method="post" name="iform" id="iform">
+              <table width="100%" border="0" cellpadding="6" cellspacing="0">
+                <tr> 
+                  <td width="22%" valign="top" class="vncellreq">Mode</td>
+                  <td width="78%" class="vtable"> Tunnel</td>
+                </tr>
+				<tr> 
+                  <td width="22%" valign="top" class="vncellreq">Disabled</td>
+                  <td width="78%" class="vtable"> 
+                    <input name="disabled" type="checkbox" id="disabled" value="yes" <?php if ($pconfig['disabled']) echo "checked"; ?>>
+                    <strong>Disable this tunnel</strong><br>
+                    <span class="vexpl">Set this option to disable this tunnel without
+					removing it from the list.</span></td>
+                </tr>
+				<tr> 
+				  <td width="22%" valign="top" class="vncellreq">Auto-establish</td>
+				  <td width="78%" class="vtable"> 
+					<input name="auto" type="checkbox" id="auto" value="yes" <?php if ($pconfig['auto']) echo "checked"; ?>>
+					<strong>Automatically establish this tunnel</strong><br>
+					<span class="vexpl">Set this option to automatically re-establish this tunnel after reboots/reconfigures. If this is not set, the tunnel is established on demand.</span></td>
+				</tr>
+				<tr> 
+                  <td width="22%" valign="top" class="vncellreq">Interface</td>
+                  <td width="78%" class="vtable"> <select name="interface" class="formfld">
+                      <?php $interfaces = array('wan' => 'WAN', 'lan' => 'LAN');
+					  for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {
+					  	$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>
+                    <span class="vexpl">Select the interface for the local endpoint of this tunnel.</span></td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncellreq">Local subnet</td>
+                  <td width="78%" class="vtable"> 
+                    <table border="0" cellspacing="0" cellpadding="0">
+                      <tr> 
+                        <td>Type:&nbsp;&nbsp;</td>
+                        <td><select name="localnettype" class="formfld" onChange="typesel_change()">
+                            <?php $sel = is_specialnet($pconfig['localnet']); ?>
+                            <option value="single" <?php if (($pconfig['localnetmask'] == 32) && !$sel) { echo "selected"; $sel = 1; } ?>> 
+                            Single host</option>
+                            <option value="network" <?php if (!$sel) echo "selected"; ?>> 
+                            Network</option>
+                            <option value="lan" <?php if ($pconfig['localnet'] == "lan") { echo "selected"; } ?>> 
+                            LAN subnet</option>
+                          </select></td>
+                      </tr>
+                      <tr> 
+                        <td>Address:&nbsp;&nbsp;</td>
+                        <td><input name="localnet" type="text" class="formfld" id="localnet" size="20" value="<?php if (!is_specialnet($pconfig['localnet'])) echo htmlspecialchars($pconfig['localnet']);?>">
+                          / 
+                          <select name="localnetmask" class="formfld" id="localnetmask">
+                            <?php for ($i = 31; $i >= 0; $i--): ?>
+                            <option value="<?=$i;?>" <?php if ($i == $pconfig['localnetmask']) echo "selected"; ?>>
+                            <?=$i;?>
+                            </option>
+                            <?php endfor; ?>
+                          </select> </td>
+                      </tr>
+                    </table></td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncellreq">Remote subnet</td>
+                  <td width="78%" class="vtable"> 
+                    <input name="remotenet" type="text" class="formfld" id="remotenet" size="20" value="<?=$pconfig['remotenet'];?>">
+                    / 
+                    <select name="remotebits" class="formfld" id="remotebits">
+                      <?php for ($i = 32; $i > 0; $i--): ?>
+                      <option value="<?=$i;?>" <?php if ($i == $pconfig['remotebits']) echo "selected"; ?>> 
+                      <?=$i;?>
+                      </option>
+                      <?php endfor; ?>
+                    </select></td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncellreq">Remote gateway</td>
+                  <td width="78%" class="vtable"> 
+                    <input name="remotegw" type="text" class="formfld" id="remotegw" size="20" value="<?=$pconfig['remotegw'];?>"> 
+                    <br>
+                    Enter the public IP address of the remote gateway</td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncell">Description</td>
+                  <td width="78%" class="vtable"> 
+                    <input name="descr" type="text" class="formfld" id="descr" size="40" value="<?=htmlspecialchars($pconfig['descr']);?>"> 
+                    <br> <span class="vexpl">You may enter a description here 
+                    for your reference (not parsed).</span></td>
+                </tr>
+                <tr> 
+                  <td colspan="2" class="list" height="12"></td>
+                </tr>
+                <tr> 
+                  <td colspan="2" valign="top" class="listtopic">Phase 1 proposal 
+                    (Authentication)</td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncellreq">Negotiation mode</td>
+                  <td width="78%" class="vtable">
+<select name="p1mode" class="formfld">
+                      <?php $modes = explode(" ", "main aggressive"); foreach ($modes as $mode): ?>
+                      <option value="<?=$mode;?>" <?php if ($mode == $pconfig['p1mode']) echo "selected"; ?>> 
+                      <?=htmlspecialchars($mode);?>
+                      </option>
+                      <?php endforeach; ?>
+                    </select> <br> <span class="vexpl">Aggressive is faster, but 
+                    less secure.</span></td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncellreq">My identifier</td>
+                  <td width="78%" class="vtable">
+<select name="p1myidentt" class="formfld">
+                      <?php foreach ($my_identifier_list as $mode => $modename): ?>
+                      <option value="<?=$mode;?>" <?php if ($mode == $pconfig['p1myidentt']) echo "selected"; ?>> 
+                      <?=htmlspecialchars($modename);?>
+                      </option>
+                      <?php endforeach; ?>
+                    </select> <input name="p1myident" type="text" class="formfld" id="p1myident" size="30" value="<?=$pconfig['p1myident'];?>"> 
+                  </td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncellreq">Encryption algorithm</td>
+                  <td width="78%" class="vtable">
+<select name="p1ealgo" class="formfld">
+                      <?php foreach ($p1_ealgos as $algo => $algoname): ?>
+                      <option value="<?=$algo;?>" <?php if ($algo == $pconfig['p1ealgo']) echo "selected"; ?>> 
+                      <?=htmlspecialchars($algoname);?>
+                      </option>
+                      <?php endforeach; ?>
+                    </select> <br> <span class="vexpl">Must match the setting 
+                    chosen on the remote side. </span></td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncellreq">Hash algorithm</td>
+                  <td width="78%" class="vtable">
+<select name="p1halgo" class="formfld">
+                      <?php foreach ($p1_halgos as $algo => $algoname): ?>
+                      <option value="<?=$algo;?>" <?php if ($algo == $pconfig['p1halgo']) echo "selected"; ?>> 
+                      <?=htmlspecialchars($algoname);?>
+                      </option>
+                      <?php endforeach; ?>
+                    </select> <br> <span class="vexpl">Must match the setting 
+                    chosen on the remote side. </span></td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncellreq">DH key group</td>
+                  <td width="78%" class="vtable">
+<select name="p1dhgroup" class="formfld">
+                      <?php $keygroups = explode(" ", "1 2 5"); foreach ($keygroups as $keygroup): ?>
+                      <option value="<?=$keygroup;?>" <?php if ($keygroup == $pconfig['p1dhgroup']) echo "selected"; ?>> 
+                      <?=htmlspecialchars($keygroup);?>
+                      </option>
+                      <?php endforeach; ?>
+                    </select> <br> <span class="vexpl"><em>1 = 768 bit, 2 = 1024 
+                    bit, 5 = 1536 bit</em><br>
+                    Must match the setting chosen on the remote side. </span></td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncell">Lifetime</td>
+                  <td width="78%" class="vtable"> 
+                    <input name="p1lifetime" type="text" class="formfld" id="p1lifetime" size="20" value="<?=$pconfig['p1lifetime'];?>">
+                    seconds</td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncellreq">Pre-Shared Key</td>
+                  <td width="78%" class="vtable"> 
+                    <input name="p1pskey" type="text" class="formfld" id="p1pskey" size="40" value="<?=htmlspecialchars($pconfig['p1pskey']);?>"> 
+                  </td>
+                </tr>
+                <tr> 
+                  <td colspan="2" class="list" height="12"></td>
+                </tr>
+                <tr> 
+                  <td colspan="2" valign="top" class="listtopic">Phase 2 proposal 
+                    (SA/Key Exchange)</td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncellreq">Protocol</td>
+                  <td width="78%" class="vtable">
+<select name="p2proto" class="formfld">
+                      <?php foreach ($p2_protos as $proto => $protoname): ?>
+                      <option value="<?=$proto;?>" <?php if ($proto == $pconfig['p2proto']) echo "selected"; ?>> 
+                      <?=htmlspecialchars($protoname);?>
+                      </option>
+                      <?php endforeach; ?>
+                    </select> <br> <span class="vexpl">ESP is encryption, AH is 
+                    authentication only </span></td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncellreq">Encryption algorithms</td>
+                  <td width="78%" class="vtable"> 
+                    <?php foreach ($p2_ealgos as $algo => $algoname): ?>
+                    <input type="checkbox" name="p2ealgos[]" value="<?=$algo;?>" <?php if (in_array($algo, $pconfig['p2ealgos'])) echo "checked"; ?>> 
+                    <?=htmlspecialchars($algoname);?>
+                    <br> 
+                    <?php endforeach; ?>
+                    <br>
+                    Hint: use 3DES for best compatibility or if you have a hardware 
+                    crypto accelerator card. Blowfish is usually the fastest in 
+                    software encryption. </td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncellreq">Hash algorithms</td>
+                  <td width="78%" class="vtable"> 
+                    <?php foreach ($p2_halgos as $algo => $algoname): ?>
+                    <input type="checkbox" name="p2halgos[]" value="<?=$algo;?>" <?php if (in_array($algo, $pconfig['p2halgos'])) echo "checked"; ?>> 
+                    <?=htmlspecialchars($algoname);?>
+                    <br> 
+                    <?php endforeach; ?>
+				  </td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncellreq">PFS key group</td>
+                  <td width="78%" class="vtable">
+<select name="p2pfsgroup" class="formfld">
+                      <?php foreach ($p2_pfskeygroups as $keygroup => $keygroupname): ?>
+                      <option value="<?=$keygroup;?>" <?php if ($keygroup == $pconfig['p2pfsgroup']) echo "selected"; ?>> 
+                      <?=htmlspecialchars($keygroupname);?>
+                      </option>
+                      <?php endforeach; ?>
+                    </select> <br> <span class="vexpl"><em>1 = 768 bit, 2 = 1024 
+                    bit, 5 = 1536 bit</em></span></td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top" class="vncell">Lifetime</td>
+                  <td width="78%" class="vtable"> 
+                    <input name="p2lifetime" type="text" class="formfld" id="p2lifetime" size="20" value="<?=$pconfig['p2lifetime'];?>">
+                    seconds</td>
+                </tr>
+                <tr> 
+                  <td width="22%" valign="top">&nbsp;</td>
+                  <td width="78%"> 
+                    <input name="Submit" type="submit" class="formbtn" value="Save"> 
+                    <?php if (isset($id) && $a_ipsec[$id]): ?>
+                    <input name="id" type="hidden" value="<?=$id;?>"> 
+                    <?php endif; ?>
+                  </td>
+                </tr>
+              </table>
+</form>
+<script language="JavaScript">
+<!--
+typesel_change();
+//-->
+</script>
+<?php include("fend.inc"); ?>
+</body>
+</html>