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#!/usr/local/bin/php
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<?php
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/*
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	vpn_ipsec_edit.php
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	part of m0n0wall (http://m0n0.ch/wall)
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	Copyright (C) 2003-2005 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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$pgtitle = "VPN: IPsec: Edit tunnel";
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require("guiconfig.inc");
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if (!is_array($config['ipsec']['tunnel'])) {
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	$config['ipsec']['tunnel'] = array();
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}
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$a_ipsec = &$config['ipsec']['tunnel'];
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$specialsrcdst = explode(" ", "lan");
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$id = $_GET['id'];
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if (isset($_POST['id']))
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	$id = $_POST['id'];
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if (isset($id) && $a_ipsec[$id]) {
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	$pconfig['disabled'] = isset($a_ipsec[$id]['disabled']);
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	//$pconfig['auto'] = isset($a_ipsec[$id]['auto']);
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	if (!isset($a_ipsec[$id]['local-subnet']))
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		$pconfig['localnet'] = "lan";
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	else
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		address_to_pconfig_vpn($a_ipsec[$id]['local-subnet'], $pconfig['localnet'], $pconfig['localnetmask']);
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	if ($a_ipsec[$id]['interface'])
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		$pconfig['interface'] = $a_ipsec[$id]['interface'];
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	else
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		$pconfig['interface'] = "wan";
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	list($pconfig['remotenet'],$pconfig['remotebits']) = explode("/", $a_ipsec[$id]['remote-subnet']);
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	$pconfig['remotegw'] = $a_ipsec[$id]['remote-gateway'];
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	$pconfig['p1mode'] = $a_ipsec[$id]['p1']['mode'];
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	if (isset($a_ipsec[$id]['p1']['myident']['myaddress']))
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		$pconfig['p1myidentt'] = 'myaddress';
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	else if (isset($a_ipsec[$id]['p1']['myident']['address'])) {
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		$pconfig['p1myidentt'] = 'address';
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		$pconfig['p1myident'] = $a_ipsec[$id]['p1']['myident']['address'];
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	} else if (isset($a_ipsec[$id]['p1']['myident']['fqdn'])) {
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		$pconfig['p1myidentt'] = 'fqdn';
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		$pconfig['p1myident'] = $a_ipsec[$id]['p1']['myident']['fqdn'];
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	} else if (isset($a_ipsec[$id]['p1']['myident']['ufqdn'])) {
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		$pconfig['p1myidentt'] = 'user_fqdn';
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		$pconfig['p1myident'] = $a_ipsec[$id]['p1']['myident']['ufqdn'];
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 	}
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	$pconfig['p1ealgo'] = $a_ipsec[$id]['p1']['encryption-algorithm'];
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	$pconfig['p1halgo'] = $a_ipsec[$id]['p1']['hash-algorithm'];
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	$pconfig['p1dhgroup'] = $a_ipsec[$id]['p1']['dhgroup'];
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	$pconfig['p1lifetime'] = $a_ipsec[$id]['p1']['lifetime'];
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	$pconfig['p1authentication_method'] = $a_ipsec[$id]['p1']['authentication_method'];
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	$pconfig['p1pskey'] = $a_ipsec[$id]['p1']['pre-shared-key'];
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	$pconfig['p1cert'] = base64_decode($a_ipsec[$id]['p1']['cert']);
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	$pconfig['p1peercert'] = base64_decode($a_ipsec[$id]['p1']['peercert']);
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	$pconfig['p1privatekey'] = base64_decode($a_ipsec[$id]['p1']['private-key']);
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	$pconfig['p2proto'] = $a_ipsec[$id]['p2']['protocol'];
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	$pconfig['p2ealgos'] = $a_ipsec[$id]['p2']['encryption-algorithm-option'];
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	$pconfig['p2halgos'] = $a_ipsec[$id]['p2']['hash-algorithm-option'];
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	$pconfig['p2pfsgroup'] = $a_ipsec[$id]['p2']['pfsgroup'];
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	$pconfig['p2lifetime'] = $a_ipsec[$id]['p2']['lifetime'];
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	$pconfig['descr'] = $a_ipsec[$id]['descr'];
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} else {
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	/* defaults */
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	$pconfig['interface'] = "wan";
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	$pconfig['localnet'] = "lan";
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	$pconfig['p1mode'] = "aggressive";
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	$pconfig['p1myidentt'] = "myaddress";
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	$pconfig['p1authentication_method'] = "pre_shared_key";
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	$pconfig['p1ealgo'] = "3des";
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	$pconfig['p1halgo'] = "sha1";
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	$pconfig['p1dhgroup'] = "2";
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	$pconfig['p2proto'] = "esp";
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	$pconfig['p2ealgos'] = explode(",", "3des,blowfish,cast128,rijndael");
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	$pconfig['p2halgos'] = explode(",", "hmac_sha1,hmac_md5");
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	$pconfig['p2pfsgroup'] = "0";
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	$pconfig['remotebits'] = 32;
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}
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110
if ($_POST) {
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	if (is_specialnet($_POST['localnettype'])) {
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		$_POST['localnet'] = $_POST['localnettype'];
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		$_POST['localnetmask'] = 0;
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	} else if ($_POST['localnettype'] == "single") {
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		$_POST['localnetmask'] = 32;
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	}
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118
	unset($input_errors);
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	$pconfig = $_POST;
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121
	/* input validation */
122
	if ($_POST['p1authentication_method'] == "pre_shared_key") {
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		$reqdfields = explode(" ", "localnet remotenet remotebits remotegw p1pskey p2ealgos p2halgos");
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		$reqdfieldsn = explode(",", "Local network,Remote network,Remote network bits,Remote gateway,Pre-Shared Key,P2 Encryption Algorithms,P2 Hash Algorithms");
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	}
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	else {
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		$reqdfields = explode(" ", "localnet remotenet remotebits remotegw p2ealgos p2halgos");
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		$reqdfieldsn = explode(",", "Local network,Remote network,Remote network bits,Remote gateway,P2 Encryption Algorithms,P2 Hash Algorithms");	
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		if (!strstr($_POST['p1cert'], "BEGIN CERTIFICATE") || !strstr($_POST['p1cert'], "END CERTIFICATE"))
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			$input_errors[] = "This certificate does not appear to be valid.";
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		if (!strstr($_POST['p1privatekey'], "BEGIN RSA PRIVATE KEY") || !strstr($_POST['p1privatekey'], "END RSA PRIVATE KEY"))
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			$input_errors[] = "This key does not appear to be valid.";	
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		if ($_POST['p1peercert']!="" && (!strstr($_POST['p1peercert'], "BEGIN CERTIFICATE") || !strstr($_POST['p1peercert'], "END CERTIFICATE")))
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			$input_errors[] = "This peer certificate does not appear to be valid.";	
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	}
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137
	do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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139
	if (!is_specialnet($_POST['localnettype'])) {
140
		if (($_POST['localnet'] && !is_ipaddr($_POST['localnet']))) {
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			$input_errors[] = "A valid local network IP address must be specified.";
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		}
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		if (($_POST['localnetmask'] && !is_numeric($_POST['localnetmask']))) {
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			$input_errors[] = "A valid local network bit count must be specified.";
145
		}
146
	}
147
	if (($_POST['p1lifetime'] && !is_numeric($_POST['p1lifetime']))) {
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		$input_errors[] = "The P1 lifetime must be an integer.";
149
	}
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	if (($_POST['p2lifetime'] && !is_numeric($_POST['p2lifetime']))) {
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		$input_errors[] = "The P2 lifetime must be an integer.";
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	}
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	if ($_POST['remotebits'] && (!is_numeric($_POST['remotebits']) || ($_POST['remotebits'] < 0) || ($_POST['remotebits'] > 32))) {
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		$input_errors[] = "The remote network bits are invalid.";
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	}
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	if (($_POST['remotenet'] && !is_ipaddr($_POST['remotenet']))) {
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		$input_errors[] = "A valid remote network address must be specified.";
158
	}
159
	if (($_POST['remotegw'] && !is_ipaddr($_POST['remotegw']))) {
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		$input_errors[] = "A valid remote gateway address must be specified.";
161
	}
162
	if ((($_POST['p1myidentt'] == "address") && !is_ipaddr($_POST['p1myident']))) {
163
		$input_errors[] = "A valid IP address for 'My identifier' must be specified.";
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	}
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	if ((($_POST['p1myidentt'] == "fqdn") && !is_domain($_POST['p1myident']))) {
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		$input_errors[] = "A valid domain name for 'My identifier' must be specified.";
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	}
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	if ($_POST['p1myidentt'] == "user_fqdn") {
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		$ufqdn = explode("@",$_POST['p1myident']);
170
		if (!is_domain($ufqdn[1])) 
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			$input_errors[] = "A valid User FQDN in the form of user@my.domain.com for 'My identifier' must be specified.";
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	}
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174
	if ($_POST['p1myidentt'] == "myaddress")
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		$_POST['p1myident'] = "";
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177
	if (!$input_errors) {
178
		$ipsecent['disabled'] = $_POST['disabled'] ? true : false;
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		//$ipsecent['auto'] = $_POST['auto'] ? true : false;
180
		$ipsecent['interface'] = $pconfig['interface'];
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		pconfig_to_address($ipsecent['local-subnet'], $_POST['localnet'], $_POST['localnetmask']);
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		$ipsecent['remote-subnet'] = $_POST['remotenet'] . "/" . $_POST['remotebits'];
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		$ipsecent['remote-gateway'] = $_POST['remotegw'];
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		$ipsecent['p1']['mode'] = $_POST['p1mode'];
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		$ipsecent['p1']['myident'] = array();
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		switch ($_POST['p1myidentt']) {
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			case 'myaddress':
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				$ipsecent['p1']['myident']['myaddress'] = true;
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				break;
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			case 'address':
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				$ipsecent['p1']['myident']['address'] = $_POST['p1myident'];
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				break;
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			case 'fqdn':
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				$ipsecent['p1']['myident']['fqdn'] = $_POST['p1myident'];
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				break;
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			case 'user_fqdn':
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				$ipsecent['p1']['myident']['ufqdn'] = $_POST['p1myident'];
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				break;
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		}
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		$ipsecent['p1']['encryption-algorithm'] = $_POST['p1ealgo'];
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		$ipsecent['p1']['hash-algorithm'] = $_POST['p1halgo'];
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		$ipsecent['p1']['dhgroup'] = $_POST['p1dhgroup'];
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		$ipsecent['p1']['lifetime'] = $_POST['p1lifetime'];
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		$ipsecent['p1']['pre-shared-key'] = $_POST['p1pskey'];
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		$ipsecent['p1']['private-key'] = base64_encode($_POST['p1privatekey']);
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		$ipsecent['p1']['cert'] = base64_encode($_POST['p1cert']);
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		$ipsecent['p1']['peercert'] = base64_encode($_POST['p1peercert']);
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		$ipsecent['p1']['authentication_method'] = $_POST['p1authentication_method'];
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		$ipsecent['p2']['protocol'] = $_POST['p2proto'];
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		$ipsecent['p2']['encryption-algorithm-option'] = $_POST['p2ealgos'];
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		$ipsecent['p2']['hash-algorithm-option'] = $_POST['p2halgos'];
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		$ipsecent['p2']['pfsgroup'] = $_POST['p2pfsgroup'];
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		$ipsecent['p2']['lifetime'] = $_POST['p2lifetime'];
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		$ipsecent['descr'] = $_POST['descr'];
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		if (isset($id) && $a_ipsec[$id])
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			$a_ipsec[$id] = $ipsecent;
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		else
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			$a_ipsec[] = $ipsecent;
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		write_config();
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		touch($d_ipsecconfdirty_path);
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		header("Location: vpn_ipsec.php");
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		exit;
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	}
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}
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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"><?php echo $pgtitle; ?></p>
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<script language="JavaScript">
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<!--
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function typesel_change() {
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	switch (document.iform.localnettype.selectedIndex) {
242
		case 0:	/* single */
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			document.iform.localnet.disabled = 0;
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			document.iform.localnetmask.value = "";
245
			document.iform.localnetmask.disabled = 1;
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			break;
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		case 1:	/* network */
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			document.iform.localnet.disabled = 0;
249
			document.iform.localnetmask.disabled = 0;
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			break;
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		default:
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			document.iform.localnet.value = "";
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			document.iform.localnet.disabled = 1;
254
			document.iform.localnetmask.value = "";
255
			document.iform.localnetmask.disabled = 1;
256
			break;
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	}
258
}
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function methodsel_change() {
260
	switch (document.iform.p1authentication_method.selectedIndex) {
261
		case 1:	/* rsa */
262
			document.iform.p1pskey.disabled = 1;
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			document.iform.p1privatekey.disabled = 0;
264
			document.iform.p1cert.disabled = 0;
265
			document.iform.p1peercert.disabled = 0;
266
			break;
267
		default: /* pre-shared */
268
			document.iform.p1pskey.disabled = 0;
269
			document.iform.p1privatekey.disabled = 1;
270
			document.iform.p1cert.disabled = 1;
271
			document.iform.p1peercert.disabled = 1;
272
			break;
273
	}
274
}
275
//-->
276
</script>
277
<?php if ($input_errors) print_input_errors($input_errors); ?>
278
            <form action="vpn_ipsec_edit.php" method="post" name="iform" id="iform">
279
              <table width="100%" border="0" cellpadding="6" cellspacing="0">
280
                <tr> 
281
                  <td width="22%" valign="top" class="vncellreq">Mode</td>
282
                  <td width="78%" class="vtable"> Tunnel</td>
283
                </tr>
284
				<tr> 
285
                  <td width="22%" valign="top" class="vncellreq">Disabled</td>
286
                  <td width="78%" class="vtable"> 
287
                    <input name="disabled" type="checkbox" id="disabled" value="yes" <?php if ($pconfig['disabled']) echo "checked"; ?>>
288
                    <strong>Disable this tunnel</strong><br>
289
                    <span class="vexpl">Set this option to disable this tunnel without
290
					removing it from the list.</span></td>
291
                </tr>
292
				<!-- <tr> 
293
				  <td width="22%" valign="top" class="vncellreq">Auto-establish</td>
294
				  <td width="78%" class="vtable"> 
295
					<input name="auto" type="checkbox" id="auto" value="yes" <?php if ($pconfig['auto']) echo "checked"; ?>>
296
					<strong>Automatically establish this tunnel</strong><br>
297
					<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>
298
				</tr> -->
299
				<tr> 
300
                  <td width="22%" valign="top" class="vncellreq">Interface</td>
301
                  <td width="78%" class="vtable"><select name="interface" class="formfld">
302
                      <?php $interfaces = array('wan' => 'WAN', 'lan' => 'LAN');
303
					  for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {
304
					  	$interfaces['opt' . $i] = $config['interfaces']['opt' . $i]['descr'];
305
					  }
306
					  foreach ($interfaces as $iface => $ifacename): ?>
307
                      <option value="<?=$iface;?>" <?php if ($iface == $pconfig['interface']) echo "selected"; ?>> 
308
                      <?=htmlspecialchars($ifacename);?>
309
                      </option>
310
                      <?php endforeach; ?>
311
                    </select> <br>
312
                    <span class="vexpl">Select the interface for the local endpoint of this tunnel.</span></td>
313
                </tr>
314
                <tr> 
315
                  <td width="22%" valign="top" class="vncellreq">Local subnet</td>
316
                  <td width="78%" class="vtable"> 
317
                    <table border="0" cellspacing="0" cellpadding="0">
318
                      <tr> 
319
                        <td>Type:&nbsp;&nbsp;</td>
320
						<td></td>
321
                        <td><select name="localnettype" class="formfld" onChange="typesel_change()">
322
                            <?php $sel = is_specialnet($pconfig['localnet']); ?>
323
                            <option value="single" <?php if (($pconfig['localnetmask'] == 32) && !$sel) { echo "selected"; $sel = 1; } ?>> 
324
                            Single host</option>
325
                            <option value="network" <?php if (!$sel) echo "selected"; ?>> 
326
                            Network</option>
327
                            <option value="lan" <?php if ($pconfig['localnet'] == "lan") { echo "selected"; } ?>> 
328
                            LAN subnet</option>
329
                          </select></td>
330
                      </tr>
331
                      <tr> 
332
                        <td>Address:&nbsp;&nbsp;</td>
333
						<td><?=$mandfldhtmlspc;?></td>
334
                        <td><input name="localnet" type="text" class="formfld" id="localnet" size="20" value="<?php if (!is_specialnet($pconfig['localnet'])) echo htmlspecialchars($pconfig['localnet']);?>">
335
                          / 
336
                          <select name="localnetmask" class="formfld" id="localnetmask">
337
                            <?php for ($i = 31; $i >= 0; $i--): ?>
338
                            <option value="<?=$i;?>" <?php if ($i == $pconfig['localnetmask']) echo "selected"; ?>>
339
                            <?=$i;?>
340
                            </option>
341
                            <?php endfor; ?>
342
                          </select> </td>
343
                      </tr>
344
                    </table></td>
345
                </tr>
346
                <tr> 
347
                  <td width="22%" valign="top" class="vncellreq">Remote subnet</td>
348
                  <td width="78%" class="vtable"> 
349
                    <?=$mandfldhtml;?><input name="remotenet" type="text" class="formfld" id="remotenet" size="20" value="<?=$pconfig['remotenet'];?>">
350
                    / 
351
                    <select name="remotebits" class="formfld" id="remotebits">
352
                      <?php for ($i = 32; $i >= 0; $i--): ?>
353
                      <option value="<?=$i;?>" <?php if ($i == $pconfig['remotebits']) echo "selected"; ?>> 
354
                      <?=$i;?>
355
                      </option>
356
                      <?php endfor; ?>
357
                    </select></td>
358
                </tr>
359
                <tr> 
360
                  <td width="22%" valign="top" class="vncellreq">Remote gateway</td>
361
                  <td width="78%" class="vtable"> 
362
                    <?=$mandfldhtml;?><input name="remotegw" type="text" class="formfld" id="remotegw" size="20" value="<?=$pconfig['remotegw'];?>"> 
363
                    <br>
364
                    Enter the public IP address of the remote gateway</td>
365
                </tr>
366
                <tr> 
367
                  <td width="22%" valign="top" class="vncell">Description</td>
368
                  <td width="78%" class="vtable"> 
369
                    <input name="descr" type="text" class="formfld" id="descr" size="40" value="<?=htmlspecialchars($pconfig['descr']);?>"> 
370
                    <br> <span class="vexpl">You may enter a description here 
371
                    for your reference (not parsed).</span></td>
372
                </tr>
373
                <tr> 
374
                  <td colspan="2" class="list" height="12"></td>
375
                </tr>
376
                <tr> 
377
                  <td colspan="2" valign="top" class="listtopic">Phase 1 proposal 
378
                    (Authentication)</td>
379
                </tr>
380
                <tr> 
381
                  <td width="22%" valign="top" class="vncellreq">Negotiation mode</td>
382
                  <td width="78%" class="vtable">
383
					<select name="p1mode" class="formfld">
384
                      <?php $modes = explode(" ", "main aggressive"); foreach ($modes as $mode): ?>
385
                      <option value="<?=$mode;?>" <?php if ($mode == $pconfig['p1mode']) echo "selected"; ?>> 
386
                      <?=htmlspecialchars($mode);?>
387
                      </option>
388
                      <?php endforeach; ?>
389
                    </select> <br> <span class="vexpl">Aggressive is faster, but 
390
                    less secure.</span></td>
391
                </tr>
392
                <tr> 
393
                  <td width="22%" valign="top" class="vncellreq">My identifier</td>
394
                  <td width="78%" class="vtable">
395
					<select name="p1myidentt" class="formfld">
396
                      <?php foreach ($my_identifier_list as $mode => $modename): ?>
397
                      <option value="<?=$mode;?>" <?php if ($mode == $pconfig['p1myidentt']) echo "selected"; ?>> 
398
                      <?=htmlspecialchars($modename);?>
399
                      </option>
400
                      <?php endforeach; ?>
401
                    </select> <input name="p1myident" type="text" class="formfld" id="p1myident" size="30" value="<?=$pconfig['p1myident'];?>"> 
402
                  </td>
403
                </tr>
404
                <tr> 
405
                  <td width="22%" valign="top" class="vncellreq">Encryption algorithm</td>
406
                  <td width="78%" class="vtable">
407
					<select name="p1ealgo" class="formfld">
408
                      <?php foreach ($p1_ealgos as $algo => $algoname): ?>
409
                      <option value="<?=$algo;?>" <?php if ($algo == $pconfig['p1ealgo']) echo "selected"; ?>> 
410
                      <?=htmlspecialchars($algoname);?>
411
                      </option>
412
                      <?php endforeach; ?>
413
                    </select> <br> <span class="vexpl">Must match the setting 
414
                    chosen on the remote side. </span></td>
415
                </tr>
416
                <tr> 
417
                  <td width="22%" valign="top" class="vncellreq">Hash algorithm</td>
418
                  <td width="78%" class="vtable">
419
					<select name="p1halgo" class="formfld">
420
                      <?php foreach ($p1_halgos as $algo => $algoname): ?>
421
                      <option value="<?=$algo;?>" <?php if ($algo == $pconfig['p1halgo']) echo "selected"; ?>> 
422
                      <?=htmlspecialchars($algoname);?>
423
                      </option>
424
                      <?php endforeach; ?>
425
                    </select> <br> <span class="vexpl">Must match the setting 
426
                    chosen on the remote side. </span></td>
427
                </tr>
428
                <tr> 
429
                  <td width="22%" valign="top" class="vncellreq">DH key group</td>
430
                  <td width="78%" class="vtable">
431
					<select name="p1dhgroup" class="formfld">
432
                      <?php $keygroups = explode(" ", "1 2 5"); foreach ($keygroups as $keygroup): ?>
433
                      <option value="<?=$keygroup;?>" <?php if ($keygroup == $pconfig['p1dhgroup']) echo "selected"; ?>> 
434
                      <?=htmlspecialchars($keygroup);?>
435
                      </option>
436
                      <?php endforeach; ?>
437
                    </select> <br> <span class="vexpl"><em>1 = 768 bit, 2 = 1024 
438
                    bit, 5 = 1536 bit</em><br>
439
                    Must match the setting chosen on the remote side. </span></td>
440
                </tr>
441
                <tr> 
442
                  <td width="22%" valign="top" class="vncell">Lifetime</td>
443
                  <td width="78%" class="vtable"> 
444
                    <input name="p1lifetime" type="text" class="formfld" id="p1lifetime" size="20" value="<?=$pconfig['p1lifetime'];?>">
445
                    seconds</td>
446
                </tr>
447
                <tr> 
448
                  <td width="22%" valign="top" class="vncellreq">Authentication method</td>
449
                  <td width="78%" class="vtable">
450
					<select name="p1authentication_method" class="formfld" onChange="methodsel_change()">
451
                      <?php foreach ($p1_authentication_methods as $method => $methodname): ?>
452
                      <option value="<?=$method;?>" <?php if ($method == $pconfig['p1authentication_method']) echo "selected"; ?>> 
453
                      <?=htmlspecialchars($methodname);?>
454
                      </option>
455
                      <?php endforeach; ?>
456
                    </select> <br> <span class="vexpl">Must match the setting 
457
                    chosen on the remote side.</span></td>
458
                </tr>
459
                <tr> 
460
                  <td width="22%" valign="top" class="vncellreq">Pre-Shared Key</td>
461
                  <td width="78%" class="vtable"> 
462
                    <?=$mandfldhtml;?><input name="p1pskey" type="text" class="formfld" id="p1pskey" size="40" value="<?=htmlspecialchars($pconfig['p1pskey']);?>"> 
463
                  </td>
464
                </tr>
465
                <tr> 
466
                  <td width="22%" valign="top" class="vncellreq">Certificate</td>
467
                  <td width="78%" class="vtable"> 
468
                    <textarea name="p1cert" cols="65" rows="7" id="p1cert" class="formpre"><?=htmlspecialchars($pconfig['p1cert']);?></textarea>
469
                    <br> 
470
                    Paste a certificate in X.509 PEM format here.</td>
471
                </tr>
472
                <tr> 
473
                  <td width="22%" valign="top" class="vncellreq">Key</td>
474
                  <td width="78%" class="vtable"> 
475
                    <textarea name="p1privatekey" cols="65" rows="7" id="p1privatekey" class="formpre"><?=htmlspecialchars($pconfig['p1privatekey']);?></textarea>
476
                    <br> 
477
                    Paste an RSA private key in PEM format here.</td>
478
                </tr>
479
                <tr> 
480
                  <td width="22%" valign="top" class="vncell">Peer certificate</td>
481
                  <td width="78%" class="vtable"> 
482
                    <textarea name="p1peercert" cols="65" rows="7" id="p1peercert" class="formpre"><?=htmlspecialchars($pconfig['p1peercert']);?></textarea>
483
                    <br> 
484
                    Paste the peer X.509 certificate in PEM format here.<br>
485
                    Leave this blank if you want to use a CA certificate for identity validation.</td>
486
                </tr>
487
                <tr> 
488
                  <td colspan="2" class="list" height="12"></td>
489
                </tr>
490
                <tr> 
491
                  <td colspan="2" valign="top" class="listtopic">Phase 2 proposal 
492
                    (SA/Key Exchange)</td>
493
                </tr>
494
                <tr> 
495
                  <td width="22%" valign="top" class="vncellreq">Protocol</td>
496
                  <td width="78%" class="vtable">
497
					<select name="p2proto" class="formfld">
498
                      <?php foreach ($p2_protos as $proto => $protoname): ?>
499
                      <option value="<?=$proto;?>" <?php if ($proto == $pconfig['p2proto']) echo "selected"; ?>> 
500
                      <?=htmlspecialchars($protoname);?>
501
                      </option>
502
                      <?php endforeach; ?>
503
                    </select> <br> <span class="vexpl">ESP is encryption, AH is 
504
                    authentication only </span></td>
505
                </tr>
506
                <tr> 
507
                  <td width="22%" valign="top" class="vncellreq">Encryption algorithms</td>
508
                  <td width="78%" class="vtable"> 
509
                    <?php foreach ($p2_ealgos as $algo => $algoname): ?>
510
                    <input type="checkbox" name="p2ealgos[]" value="<?=$algo;?>" <?php if (in_array($algo, $pconfig['p2ealgos'])) echo "checked"; ?>> 
511
                    <?=htmlspecialchars($algoname);?>
512
                    <br> 
513
                    <?php endforeach; ?>
514
                    <br>
515
                    Hint: use 3DES for best compatibility or if you have a hardware 
516
                    crypto accelerator card. Blowfish is usually the fastest in 
517
                    software encryption. </td>
518
                </tr>
519
                <tr> 
520
                  <td width="22%" valign="top" class="vncellreq">Hash algorithms</td>
521
                  <td width="78%" class="vtable"> 
522
                    <?php foreach ($p2_halgos as $algo => $algoname): ?>
523
                    <input type="checkbox" name="p2halgos[]" value="<?=$algo;?>" <?php if (in_array($algo, $pconfig['p2halgos'])) echo "checked"; ?>> 
524
                    <?=htmlspecialchars($algoname);?>
525
                    <br> 
526
                    <?php endforeach; ?>
527
				  </td>
528
                </tr>
529
                <tr> 
530
                  <td width="22%" valign="top" class="vncellreq">PFS key group</td>
531
                  <td width="78%" class="vtable">
532
					<select name="p2pfsgroup" class="formfld">
533
                      <?php foreach ($p2_pfskeygroups as $keygroup => $keygroupname): ?>
534
                      <option value="<?=$keygroup;?>" <?php if ($keygroup == $pconfig['p2pfsgroup']) echo "selected"; ?>> 
535
                      <?=htmlspecialchars($keygroupname);?>
536
                      </option>
537
                      <?php endforeach; ?>
538
                    </select> <br> <span class="vexpl"><em>1 = 768 bit, 2 = 1024 
539
                    bit, 5 = 1536 bit</em></span></td>
540
                </tr>
541
                <tr> 
542
                  <td width="22%" valign="top" class="vncell">Lifetime</td>
543
                  <td width="78%" class="vtable"> 
544
                    <input name="p2lifetime" type="text" class="formfld" id="p2lifetime" size="20" value="<?=$pconfig['p2lifetime'];?>">
545
                    seconds</td>
546
                </tr>
547
                <tr> 
548
                  <td width="22%" valign="top">&nbsp;</td>
549
                  <td width="78%"> 
550
                    <input name="Submit" type="submit" class="formbtn" value="Save"> 
551
                    <?php if (isset($id) && $a_ipsec[$id]): ?>
552
                    <input name="id" type="hidden" value="<?=$id;?>"> 
553
                    <?php endif; ?>
554
                  </td>
555
                </tr>
556
              </table>
557
</form>
558
<script language="JavaScript">
559
<!--
560
typesel_change();
561
methodsel_change();
562
//-->
563
</script>
564
<?php include("fend.inc"); ?>
565

    
566

    
567
<?php
568

    
569
function address_to_pconfig_vpn($adr, &$padr, &$pmask) {
570

    
571
        if ($adr['network'])
572
                $padr = $adr['network'];
573
        else if ($adr['address']) {
574
                list($padr, $pmask) = explode("/", $adr['address']);
575
                if (is_null($pmask))
576
                        $pmask = 32;
577
        }
578
}
579

    
580
?>
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