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<?php
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/*
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vpn_ipsec_phase2.php
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part of m0n0wall (http://m0n0.ch/wall)
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Copyright (C) 2008 Shrew Soft Inc
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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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require("guiconfig.inc");
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if (!is_array($config['ipsec']['phase2']))
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$config['ipsec']['phase2'] = array();
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$a_phase2 = &$config['ipsec']['phase2'];
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if($config['interfaces']['lan'])
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$specialsrcdst = explode(" ", "lan");
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$p2index = $_GET['p2index'];
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if (isset($_POST['p2index']))
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$p2index = $_POST['p2index'];
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if (isset($_GET['dup']))
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$p2index = $_GET['dup'];
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if (isset($p2index) && $a_phase2[$p2index])
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{
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$pconfig['ikeid'] = $a_phase2[$p2index]['ikeid'];
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$pconfig['disabled'] = isset($a_phase2[$p2index]['disabled']);
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$pconfig['descr'] = $a_phase2[$p2index]['descr'];
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idinfo_to_pconfig("local",$a_phase2[$p2index]['localid'],$pconfig);
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idinfo_to_pconfig("remote",$a_phase2[$p2index]['remoteid'],$pconfig);
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$pconfig['proto'] = $a_phase2[$p2index]['protocol'];
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ealgos_to_pconfig($a_phase2[$p2index]['encryption-algorithm-option'],$pconfig);
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$pconfig['halgos'] = $a_phase2[$p2index]['hash-algorithm-option'];
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$pconfig['pfsgroup'] = $a_phase2[$p2index]['pfsgroup'];
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$pconfig['lifetime'] = $a_phase2[$p2index]['lifetime'];
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}
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else
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{
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$pconfig['ikeid'] = $_GET['ikeid'];
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/* defaults */
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$pconfig['localid_type'] = "lan";
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$pconfig['remoteid_type'] = "network";
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$pconfig['proto'] = "esp";
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$pconfig['ealgos'] = explode(",", "3des,blowfish,cast128,aes");
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$pconfig['halgos'] = explode(",", "hmac_sha1,hmac_md5");
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$pconfig['pfsgroup'] = "0";
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$pconfig['lifetime'] = "3600";
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}
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if (isset($_GET['dup']))
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unset($p2index);
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if ($_POST) {
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unset($input_errors);
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$pconfig = $_POST;
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$ealgos = pconfig_to_ealgos($pconfig);
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$localid = pconfig_to_idinfo("local",$pconfig);
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$remoteid = pconfig_to_idinfo("remote",$pconfig);
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if (!isset( $_POST['ikeid']))
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$input_errors[] = "A valid ikeid must be specified.";
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/* input validation */
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$reqdfields = explode(" ", "localid_type remoteid_type halgos");
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$reqdfieldsn = explode(",", "Local network type,Remote network type,P2 Hash Algorithms");
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do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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switch ($_POST['localid_type']) {
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case "network":
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if (!$_POST['localid_netbits'] || !is_numeric($_POST['localid_netbits']))
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$input_errors[] = "A valid local network bit count must be specified..";
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case "address":
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if (!$_POST['localid_address'] || !is_ipaddr($_POST['localid_address']))
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$input_errors[] = "A valid local network IP address must be specified.";
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break;
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}
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switch ($_POST['remoteid_type']) {
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case "network":
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if (!$_POST['remoteid_netbits'] || !is_numeric($_POST['remoteid_netbits']))
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$input_errors[] = "A valid remote network bit count must be specified..";
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case "address":
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if (!$_POST['remoteid_address'] || !is_ipaddr($_POST['remoteid_address']))
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$input_errors[] = "A valid remote network IP address must be specified.";
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break;
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}
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/* TODO : Validate enabled phase2's are not duplicates */
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if (!count($ealgos)) {
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$input_errors[] = "At least one encryption algorithm must be selected.";
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}
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if (($_POST['lifetime'] && !is_numeric($_POST['lifetime']))) {
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$input_errors[] = "The P2 lifetime must be an integer.";
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}
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if (!$input_errors) {
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$ph2ent['ikeid'] = $_POST['ikeid'];
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$ph2ent['disabled'] = $_POST['disabled'] ? true : false;
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$ph2ent['localid'] = $localid;
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$ph2ent['remoteid'] = $remoteid;
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$ph2ent['protocol'] = $_POST['proto'];
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$ph2ent['encryption-algorithm-option'] = $ealgos;
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$ph2ent['hash-algorithm-option'] = $_POST['halgos'];
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$ph2ent['pfsgroup'] = $_POST['pfsgroup'];
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$ph2ent['lifetime'] = $_POST['lifetime'];
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$ph2ent['descr'] = $_POST['descr'];
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if (isset($p2index) && $a_phase2[$p2index])
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$a_phase2[$p2index] = $ph2ent;
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else
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$a_phase2[] = $ph2ent;
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write_config();
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touch($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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$pgtitle = array("VPN","IPsec","Edit Phase 2");
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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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<script language="JavaScript">
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<!--
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function typesel_change_local(bits) {
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if (!bits)
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bits = 24;
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switch (document.iform.localid_type.selectedIndex) {
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case 0: /* single */
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document.iform.localid_address.disabled = 0;
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document.iform.localid_netbits.value = 0;
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document.iform.localid_netbits.disabled = 1;
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break;
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case 1: /* network */
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document.iform.localid_address.disabled = 0;
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document.iform.localid_netbits.value = bits;
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document.iform.localid_netbits.disabled = 0;
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break;
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default:
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document.iform.localid_address.value = "";
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document.iform.localid_address.disabled = 1;
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document.iform.localid_netbits.value = 0;
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document.iform.localid_netbits.disabled = 1;
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break;
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}
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}
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function typesel_change_remote(bits) {
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if (!bits)
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bits = 24;
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switch (document.iform.remoteid_type.selectedIndex) {
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case 0: /* single */
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document.iform.remoteid_address.disabled = 0;
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document.iform.remoteid_netbits.value = 0;
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document.iform.remoteid_netbits.disabled = 1;
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break;
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case 1: /* network */
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document.iform.remoteid_address.disabled = 0;
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document.iform.remoteid_netbits.value = bits;
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document.iform.remoteid_netbits.disabled = 0;
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break;
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default:
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document.iform.remoteid_address.value = "";
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document.iform.remoteid_address.disabled = 1;
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document.iform.remoteid_netbits.value = 0;
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document.iform.remoteid_netbits.disabled = 1;
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break;
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}
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}
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//-->
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</script>
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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<form action="vpn_ipsec_phase2.php" method="post" name="iform" id="iform">
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<table width="100%" border="0" cellpadding="6" cellspacing="0">
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<tr>
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<td width="22%" valign="top" class="vncellreq">Mode</td>
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<td width="78%" class="vtable"> Tunnel</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Disabled</td>
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<td width="78%" class="vtable">
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<input name="disabled" type="checkbox" id="disabled" value="yes" <?php if ($pconfig['disabled']) echo "checked"; ?>>
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<strong>Disable this phase2 entry</strong><br>
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<span class="vexpl">Set this option to disable this phase2 entry without
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removing it from the list.
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</span>
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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">Local Network</td>
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<td width="78%" class="vtable">
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<table border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td>Type: </td>
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<td></td>
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<td>
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<select name="localid_type" class="formselect" onChange="typesel_change_local()">
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<option value="address" <?php if ($pconfig['localid_type'] == "address") echo "selected";?>>Address</option>
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<option value="network" <?php if ($pconfig['localid_type'] == "network") echo "selected";?>>Network</option>
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<option value="lan" <?php if ($pconfig['localid_type'] == "lan" ) echo "selected";?>>LAN subnet</option>
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</select>
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</td>
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</tr>
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<tr>
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<td>Address: </td>
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<td><?=$mandfldhtmlspc;?></td>
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<td>
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<input name="localid_address" type="text" class="formfld unknown" id="localid_address" size="20" value="<?=$pconfig['localid_address'];?>">
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/
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<select name="localid_netbits" class="formselect" id="localid_netbits">
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<?php for ($i = 32; $i >= 0; $i--): ?>
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<option value="<?=$i;?>" <?php if ($i == $pconfig['localid_netbits']) echo "selected"; ?>>
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<?=$i;?>
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</option>
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<?php endfor; ?>
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</select>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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<td width="22%" valign="top" class="vncellreq">Remote Network</td>
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<td width="78%" class="vtable">
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<table border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td>Type: </td>
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<td></td>
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<td>
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<select name="remoteid_type" class="formselect" onChange="typesel_change_remote()">
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<option value="address" <?php if ($pconfig['remoteid_type'] == "address") echo "selected"; ?>>Address</option>
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<option value="network" <?php if ($pconfig['remoteid_type'] == "network") echo "selected"; ?>>Network</option>
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</select>
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</td>
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</tr>
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<tr>
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<td>Address: </td>
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<td><?=$mandfldhtmlspc;?></td>
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<td>
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<input name="remoteid_address" type="text" class="formfld unknown" id="remoteid_address" size="20" value="<?=$pconfig['remoteid_address'];?>">
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/
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<select name="remoteid_netbits" class="formselect" id="remoteid_netbits">
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<?php for ($i = 32; $i >= 0; $i--): ?>
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<option value="<?=$i;?>" <?php if ($i == $pconfig['remoteid_netbits']) echo "selected"; ?>>
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<?=$i;?>
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</option>
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<?php endfor; ?>
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</select>
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</td>
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</tr>
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</table>
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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="vncell">Description</td>
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<td width="78%" class="vtable">
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<input name="descr" type="text" class="formfld unknown" id="descr" size="40" value="<?=htmlspecialchars($pconfig['descr']);?>">
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<br> <span class="vexpl">You may enter a description here
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for your reference (not parsed).</span>
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</td>
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</tr>
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<tr>
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<td colspan="2" class="list" height="12"></td>
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</tr>
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<tr>
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<td colspan="2" valign="top" class="listtopic">Phase 2 proposal
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(SA/Key Exchange)
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</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Protocol</td>
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<td width="78%" class="vtable">
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<select name="proto" class="formselect">
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314
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<?php foreach ($p2_protos as $proto => $protoname): ?>
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<option value="<?=$proto;?>" <?php if ($proto == $pconfig['proto']) echo "selected"; ?>>
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<?=htmlspecialchars($protoname);?>
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</option>
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<?php endforeach; ?>
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</select>
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<br>
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<span class="vexpl">ESP is encryption, AH is authentication only </span>
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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">Encryption algorithms</td>
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<td width="78%" class="vtable">
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327
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<table border="0" cellspacing="0" cellpadding="0">
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<?php
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329
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foreach ($p2_ealgos as $algo => $algodata):
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$checked = '';
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331
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if (in_array($algo,$pconfig['ealgos']))
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$checked = " checked";
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333
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?>
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334
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<tr>
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335
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<td>
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336
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<input type="checkbox" name="ealgos[]?>" value="<?=$algo;?>"<?=$checked?>>
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337
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</td>
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<td>
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339
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<?=htmlspecialchars($algodata['name']);?>
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</td>
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<td>
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342
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<?php if(is_array($algodata['keysel'])): ?>
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343
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344
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<select name="keylen_<?=$algo;?>" class="formselect">
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345
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<option value="auto">auto</option>
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|
346
|
<?php
|
|
347
|
$key_hi = $algodata['keysel']['hi'];
|
|
348
|
$key_lo = $algodata['keysel']['lo'];
|
|
349
|
$key_step = $algodata['keysel']['step'];
|
|
350
|
for ($keylen = $key_hi; $keylen >= $key_lo; $keylen -= $key_step):
|
|
351
|
$selected = '';
|
|
352
|
// if ($checked && in_array("keylen_".$algo,$pconfig))
|
|
353
|
if ($keylen == $pconfig["keylen_".$algo])
|
|
354
|
$selected = " selected";
|
|
355
|
?>
|
|
356
|
<option value="<?=$keylen;?>"<?=$selected;?>><?=$keylen;?> bits</option>
|
|
357
|
<?php endfor; ?>
|
|
358
|
</select>
|
|
359
|
<?php endif; ?>
|
|
360
|
</td>
|
|
361
|
</tr>
|
|
362
|
<?php endforeach; ?>
|
|
363
|
</table>
|
|
364
|
<br>
|
|
365
|
Hint: use 3DES for best compatibility or if you have a hardware
|
|
366
|
crypto accelerator card. Blowfish is usually the fastest in
|
|
367
|
software encryption.
|
|
368
|
</td>
|
|
369
|
</tr>
|
|
370
|
<tr>
|
|
371
|
<td width="22%" valign="top" class="vncellreq">Hash algorithms</td>
|
|
372
|
<td width="78%" class="vtable">
|
|
373
|
<?php foreach ($p2_halgos as $algo => $algoname): ?>
|
|
374
|
<input type="checkbox" name="halgos[]" value="<?=$algo;?>" <?php if (in_array($algo, $pconfig['halgos'])) echo "checked"; ?>>
|
|
375
|
<?=htmlspecialchars($algoname);?>
|
|
376
|
<br>
|
|
377
|
<?php endforeach; ?>
|
|
378
|
</td>
|
|
379
|
</tr>
|
|
380
|
<tr>
|
|
381
|
<td width="22%" valign="top" class="vncellreq">PFS key group</td>
|
|
382
|
<td width="78%" class="vtable">
|
|
383
|
<select name="pfsgroup" class="formselect">
|
|
384
|
<?php foreach ($p2_pfskeygroups as $keygroup => $keygroupname): ?>
|
|
385
|
<option value="<?=$keygroup;?>" <?php if ($keygroup == $pconfig['pfsgroup']) echo "selected"; ?>>
|
|
386
|
<?=htmlspecialchars($keygroupname);?>
|
|
387
|
</option>
|
|
388
|
<?php endforeach; ?>
|
|
389
|
</select>
|
|
390
|
<br>
|
|
391
|
<span class="vexpl"><em>1 = 768 bit, 2 = 1024 bit, 5 = 1536 bit</em></span>
|
|
392
|
</td>
|
|
393
|
</tr>
|
|
394
|
<tr>
|
|
395
|
<td width="22%" valign="top" class="vncell">Lifetime</td>
|
|
396
|
<td width="78%" class="vtable">
|
|
397
|
<input name="lifetime" type="text" class="formfld unknown" id="lifetime" size="20" value="<?=$pconfig['lifetime'];?>">
|
|
398
|
seconds
|
|
399
|
</td>
|
|
400
|
</tr>
|
|
401
|
<tr>
|
|
402
|
<td width="22%" valign="top"> </td>
|
|
403
|
<td width="78%">
|
|
404
|
<input name="Submit" type="submit" class="formbtn" value="Save">
|
|
405
|
<input name="ikeid" type="hidden" value="<?=$pconfig['ikeid'];?>">
|
|
406
|
<?php if (isset($p2index) && $a_phase2[$p2index]): ?>
|
|
407
|
<input name="p2index" type="hidden" value="<?=$p2index;?>">
|
|
408
|
<?php endif; ?>
|
|
409
|
</td>
|
|
410
|
</tr>
|
|
411
|
</table>
|
|
412
|
</form>
|
|
413
|
<script lannguage="JavaScript">
|
|
414
|
<!--
|
|
415
|
typesel_change_local(<?=$pconfig['localid_netbits']?>);
|
|
416
|
typesel_change_remote(<?=$pconfig['remoteid_netbits']?>);
|
|
417
|
//-->
|
|
418
|
</script>
|
|
419
|
<?php include("fend.inc"); ?>
|
|
420
|
|
|
421
|
<?php
|
|
422
|
|
|
423
|
function pconfig_to_ealgos(& $pconfig) {
|
|
424
|
|
|
425
|
global $p2_ealgos;
|
|
426
|
|
|
427
|
$ealgos = array();
|
|
428
|
foreach ($p2_ealgos as $algo_name => $algo_data) {
|
|
429
|
if (in_array($algo_name,$pconfig['ealgos'])) {
|
|
430
|
$ealg = array();
|
|
431
|
$ealg['name'] = $algo_name;
|
|
432
|
if (is_array($algo_data['keysel']))
|
|
433
|
$ealg['keylen'] = $_POST["keylen_".$algo_name];
|
|
434
|
$ealgos[] = $ealg;
|
|
435
|
}
|
|
436
|
}
|
|
437
|
|
|
438
|
return $ealgos;
|
|
439
|
}
|
|
440
|
|
|
441
|
function ealgos_to_pconfig(& $ealgos,& $pconfig) {
|
|
442
|
|
|
443
|
$pconfig['ealgos'] = array();
|
|
444
|
foreach ($ealgos as $algo_data) {
|
|
445
|
$pconfig['ealgos'][] = $algo_data['name'];
|
|
446
|
if (isset($algo_data['keylen']))
|
|
447
|
$pconfig["keylen_".$algo_data['name']] = $algo_data['keylen'];
|
|
448
|
}
|
|
449
|
|
|
450
|
return $ealgos;
|
|
451
|
}
|
|
452
|
|
|
453
|
function pconfig_to_idinfo($prefix,& $pconfig) {
|
|
454
|
|
|
455
|
$type = $pconfig[$prefix."id_type"];
|
|
456
|
$address = $pconfig[$prefix."id_address"];
|
|
457
|
$netbits = $pconfig[$prefix."id_netbits"];
|
|
458
|
|
|
459
|
switch( $type )
|
|
460
|
{
|
|
461
|
case "address":
|
|
462
|
return array('type' => $type, 'address' => $address);
|
|
463
|
case "network":
|
|
464
|
return array('type' => $type, 'address' => $address, 'netbits' => $netbits);
|
|
465
|
default:
|
|
466
|
return array('type' => $type );
|
|
467
|
}
|
|
468
|
}
|
|
469
|
|
|
470
|
function idinfo_to_pconfig($prefix,& $idinfo,& $pconfig) {
|
|
471
|
|
|
472
|
switch( $idinfo['type'] )
|
|
473
|
{
|
|
474
|
case "address":
|
|
475
|
$pconfig[$prefix."id_type"] = $idinfo['type'];
|
|
476
|
$pconfig[$prefix."id_address"] = $idinfo['address'];
|
|
477
|
break;
|
|
478
|
case "network":
|
|
479
|
$pconfig[$prefix."id_type"] = $idinfo['type'];
|
|
480
|
$pconfig[$prefix."id_address"] = $idinfo['address'];
|
|
481
|
$pconfig[$prefix."id_netbits"] = $idinfo['netbits'];
|
|
482
|
break;
|
|
483
|
default:
|
|
484
|
$pconfig[$prefix."id_type"] = $idinfo['type'];
|
|
485
|
break;
|
|
486
|
}
|
|
487
|
}
|
|
488
|
|
|
489
|
?>
|