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<?php
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/*
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vpn_ipsec_mobile.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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require("guiconfig.inc");
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if (!is_array($config['ipsec']['mobileclients'])) {
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$config['ipsec']['mobileclients'] = array();
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}
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$a_ipsec = &$config['ipsec']['mobileclients'];
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if (count($a_ipsec) == 0) {
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/* defaults */
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$pconfig['p1mode'] = "aggressive";
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$pconfig['p1myidentt'] = "myaddress";
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$pconfig['p1ealgo'] = "3des";
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$pconfig['p1halgo'] = "sha1";
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$pconfig['p1dhgroup'] = "2";
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$pconfig['p1authentication_method'] = "pre_shared_key";
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$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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$pconfig['p2pfsgroup'] = "0";
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} else {
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$pconfig['enable'] = isset($a_ipsec['enable']);
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$pconfig['natt'] = isset($a_ipsec['natt']);
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$pconfig['p1mode'] = $a_ipsec['p1']['mode'];
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if (isset($a_ipsec['p1']['myident']['myaddress']))
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$pconfig['p1myidentt'] = 'myaddress';
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else if (isset($a_ipsec['p1']['myident']['address'])) {
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$pconfig['p1myidentt'] = 'address';
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$pconfig['p1myident'] = $a_ipsec['p1']['myident']['address'];
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} else if (isset($a_ipsec['p1']['myident']['fqdn'])) {
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$pconfig['p1myidentt'] = 'fqdn';
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$pconfig['p1myident'] = $a_ipsec['p1']['myident']['fqdn'];
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} else if (isset($a_ipsec['p1']['myident']['ufqdn'])) {
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$pconfig['p1myidentt'] = 'user_fqdn';
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$pconfig['p1myident'] = $a_ipsec['p1']['myident']['ufqdn'];
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}
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$pconfig['p1ealgo'] = $a_ipsec['p1']['encryption-algorithm'];
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$pconfig['p1halgo'] = $a_ipsec['p1']['hash-algorithm'];
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$pconfig['p1dhgroup'] = $a_ipsec['p1']['dhgroup'];
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$pconfig['p1lifetime'] = $a_ipsec['p1']['lifetime'];
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$pconfig['p1authentication_method'] = $a_ipsec['p1']['authentication_method'];
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$pconfig['p1cert'] = base64_decode($a_ipsec['p1']['cert']);
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$pconfig['p1privatekey'] = base64_decode($a_ipsec['p1']['private-key']);
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$pconfig['p2proto'] = $a_ipsec['p2']['protocol'];
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$pconfig['p2ealgos'] = $a_ipsec['p2']['encryption-algorithm-option'];
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$pconfig['p2halgos'] = $a_ipsec['p2']['hash-algorithm-option'];
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$pconfig['p2pfsgroup'] = $a_ipsec['p2']['pfsgroup'];
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$pconfig['p2lifetime'] = $a_ipsec['p2']['lifetime'];
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}
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if ($_POST) {
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unset($input_errors);
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$pconfig = $_POST;
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/* input validation */
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$reqdfields = explode(" ", "p2ealgos p2halgos");
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$reqdfieldsn = explode(",", "P2 Encryption Algorithms,P2 Hash Algorithms");
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do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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if ($_POST['p1authentication_method']== "rsasig") {
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if (!strstr($_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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$input_errors[] = "This key does not appear to be valid.";
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}
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if (($_POST['p1lifetime'] && !is_numeric($_POST['p1lifetime']))) {
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$input_errors[] = "The P1 lifetime must be an integer.";
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}
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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['p1myidentt'] == "address") && !is_ipaddr($_POST['p1myident']))) {
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$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']);
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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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if ($_POST['p1myidentt'] == "myaddress")
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$_POST['p1myident'] = "";
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if (!$input_errors) {
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$ipsecent = array();
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$ipsecent['enable'] = $_POST['enable'] ? true : false;
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$ipsecent['p1']['mode'] = $_POST['p1mode'];
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$ipsecent['natt'] = $_POST['natt'] ? true : false;
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$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']['private-key'] = base64_encode($_POST['p1privatekey']);
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$ipsecent['p1']['cert'] = base64_encode($_POST['p1cert']);
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$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'] = $_POST['p2lifetime'];
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$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_mobile.php");
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exit;
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}
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}
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$pgtitle = array("VPN","IPsec","Mobile");
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include("head.inc");
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?>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<script language="JavaScript">
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<!--
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function methodsel_change() {
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switch (document.iform.p1authentication_method.selectedIndex) {
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case 1: /* rsa */
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document.iform.p1privatekey.disabled = 0;
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document.iform.p1cert.disabled = 0;
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break;
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default: /* pre-shared */
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document.iform.p1privatekey.disabled = 1;
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document.iform.p1cert.disabled = 1;
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break;
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}
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}
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//-->
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</script>
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<form action="vpn_ipsec.php" method="post">
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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<?php if (file_exists($d_ipsecconfdirty_path)): ?><p>
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<?php print_info_box_np("The IPsec tunnel configuration has been changed.<br>You must apply the changes in order for them to take effect.");?><br>
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<?php endif; ?>
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</form>
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<form action="vpn_ipsec_mobile.php" method="post" name="iform" id="iform">
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr><td class="tabnavtbl">
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<?php
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$tab_array = array();
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$tab_array[0] = array("Tunnels", false, "vpn_ipsec.php");
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$tab_array[1] = array("Mobile clients", true, "vpn_ipsec_mobile.php");
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$tab_array[2] = array("CAs", false, "vpn_ipsec_ca.php");
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display_top_tabs($tab_array);
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?>
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</td></tr>
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<tr>
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<td>
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<div id="mainarea">
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<table class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0">
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<tr>
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<td width="22%" valign="top"> </td>
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<td width="78%">
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<input name="enable" type="checkbox" id="enable" value="yes" <?php if ($pconfig['enable']) echo "checked"; ?>>
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<strong>Allow mobile clients</strong></td>
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</tr>
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<tr>
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<td width="22%" valign="top"> </td>
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<td width="78%">
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<input name="natt" type="checkbox" id="natt" value="yes" <?php if ($pconfig['natt']) echo "checked"; ?>>
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<strong>Enable NAT Traversal (NAT-T)</strong><br>
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<span class="vexpl">Set this option to enable the use of NAT-T (i.e. the encapsulation of ESP in UDP packets) if needed,
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which can help with clients that are behind restrictive firewalls.</span></td>
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</tr>
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<tr>
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<td colspan="2" valign="top" class="listtopic">Phase 1 proposal
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(Authentication)</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Negotiation mode</td>
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<td width="78%" class="vtable">
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<select name="p1mode" class="formselect">
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<?php $modes = explode(" ", "main aggressive"); foreach ($modes as $mode): ?>
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<option value="<?=$mode;?>" <?php if ($mode == $pconfig['p1mode']) echo "selected"; ?>>
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<?=htmlspecialchars($mode);?>
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</option>
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<?php endforeach; ?>
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</select> <br> <span class="vexpl">Aggressive is faster, but
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less secure.</span></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">My identifier</td>
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<td width="78%" class="vtable">
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<select name="p1myidentt" class="formselect">
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<?php foreach ($my_identifier_list as $mode => $modename): ?>
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<option value="<?=$mode;?>" <?php if ($mode == $pconfig['p1myidentt']) echo "selected"; ?>>
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<?=htmlspecialchars($modename);?>
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</option>
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<?php endforeach; ?>
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</select> <input name="p1myident" type="text" class="formfld unknown" id="p1myident" size="30" value="<?=$pconfig['p1myident'];?>">
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</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Encryption algorithm</td>
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<td width="78%" class="vtable">
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<select name="p1ealgo" class="formselect">
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<?php foreach ($p1_ealgos as $algo => $algoname): ?>
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<option value="<?=$algo;?>" <?php if ($algo == $pconfig['p1ealgo']) echo "selected"; ?>>
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<?=htmlspecialchars($algoname);?>
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</option>
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<?php endforeach; ?>
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</select> <br> <span class="vexpl">Must match the setting
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chosen on the remote side. </span></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Hash algorithm</td>
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<td width="78%" class="vtable">
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<select name="p1halgo" class="formselect">
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<?php foreach ($p1_halgos as $algo => $algoname): ?>
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<option value="<?=$algo;?>" <?php if ($algo == $pconfig['p1halgo']) echo "selected"; ?>>
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<?=htmlspecialchars($algoname);?>
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</option>
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<?php endforeach; ?>
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</select> <br> <span class="vexpl">Must match the setting
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chosen on the remote side. </span></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">DH key group</td>
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<td width="78%" class="vtable">
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<select name="p1dhgroup" class="formselect">
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<?php $keygroups = explode(" ", "1 2 5"); foreach ($keygroups as $keygroup): ?>
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<option value="<?=$keygroup;?>" <?php if ($keygroup == $pconfig['p1dhgroup']) echo "selected"; ?>>
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<?=htmlspecialchars($keygroup);?>
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</option>
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<?php endforeach; ?>
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</select> <br> <span class="vexpl"><em>1 = 768 bit, 2 = 1024
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bit, 5 = 1536 bit</em><br>
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Must match the setting chosen on the remote side. </span></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncell">Lifetime</td>
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<td width="78%" class="vtable">
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<input name="p1lifetime" type="text" class="formfld unknown" id="p1lifetime" size="20" value="<?=$pconfig['p1lifetime'];?>">
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seconds</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Authentication method</td>
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<td width="78%" class="vtable">
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<select name="p1authentication_method" class="formselect" onChange="methodsel_change()">
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<?php foreach ($p1_authentication_methods as $method => $methodname): ?>
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<option value="<?=$method;?>" <?php if ($method == $pconfig['p1authentication_method']) echo "selected"; ?>>
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<?=htmlspecialchars($methodname);?>
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</option>
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<?php endforeach; ?>
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</select> <br> <span class="vexpl">Must match the setting
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chosen on the remote side. </span></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Certificate</td>
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<td width="78%" class="vtable">
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308
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<textarea name="p1cert" cols="65" rows="7" id="p1cert" class="formpre"><?=htmlspecialchars($pconfig['p1cert']);?></textarea>
|
|
309
|
<br>
|
|
310
|
Paste a certificate in X.509 PEM format here.</td>
|
|
311
|
</tr>
|
|
312
|
<tr>
|
|
313
|
<td width="22%" valign="top" class="vncellreq">Key</td>
|
|
314
|
<td width="78%" class="vtable">
|
|
315
|
<textarea name="p1privatekey" cols="65" rows="7" id="p1privatekey" class="formpre"><?=htmlspecialchars($pconfig['p1privatekey']);?></textarea>
|
|
316
|
<br>
|
|
317
|
Paste an RSA private key in PEM format here.</td>
|
|
318
|
</tr>
|
|
319
|
<tr>
|
|
320
|
<td colspan="2" class="list" height="12"></td>
|
|
321
|
</tr>
|
|
322
|
<tr>
|
|
323
|
<td colspan="2" valign="top" class="listtopic">Phase 2 proposal
|
|
324
|
(SA/Key Exchange)</td>
|
|
325
|
</tr>
|
|
326
|
<tr>
|
|
327
|
<td width="22%" valign="top" class="vncellreq">Protocol</td>
|
|
328
|
<td width="78%" class="vtable">
|
|
329
|
<select name="p2proto" class="formselect">
|
|
330
|
<?php foreach ($p2_protos as $proto => $protoname): ?>
|
|
331
|
<option value="<?=$proto;?>" <?php if ($proto == $pconfig['p2proto']) echo "selected"; ?>>
|
|
332
|
<?=htmlspecialchars($protoname);?>
|
|
333
|
</option>
|
|
334
|
<?php endforeach; ?>
|
|
335
|
</select> <br> <span class="vexpl">ESP is encryption, AH is
|
|
336
|
authentication only </span></td>
|
|
337
|
</tr>
|
|
338
|
<tr>
|
|
339
|
<td width="22%" valign="top" class="vncellreq">Encryption algorithms</td>
|
|
340
|
<td width="78%" class="vtable">
|
|
341
|
<?php foreach ($p2_ealgos as $algo => $algoname): ?>
|
|
342
|
<input type="checkbox" name="p2ealgos[]" value="<?=$algo;?>" <?php if (in_array($algo, $pconfig['p2ealgos'])) echo "checked"; ?>>
|
|
343
|
<?=htmlspecialchars($algoname);?>
|
|
344
|
<br>
|
|
345
|
<?php endforeach; ?>
|
|
346
|
<br>
|
|
347
|
Hint: use 3DES for best compatibility or if you have a hardware
|
|
348
|
crypto accelerator card. Blowfish is usually the fastest in
|
|
349
|
software encryption. </td>
|
|
350
|
</tr>
|
|
351
|
<tr>
|
|
352
|
<td width="22%" valign="top" class="vncellreq">Hash algorithms</td>
|
|
353
|
<td width="78%" class="vtable">
|
|
354
|
<?php foreach ($p2_halgos as $algo => $algoname): ?>
|
|
355
|
<input type="checkbox" name="p2halgos[]" value="<?=$algo;?>" <?php if (in_array($algo, $pconfig['p2halgos'])) echo "checked"; ?>>
|
|
356
|
<?=htmlspecialchars($algoname);?>
|
|
357
|
<br>
|
|
358
|
<?php endforeach; ?>
|
|
359
|
</td>
|
|
360
|
</tr>
|
|
361
|
<tr>
|
|
362
|
<td width="22%" valign="top" class="vncellreq">PFS key group</td>
|
|
363
|
<td width="78%" class="vtable">
|
|
364
|
<select name="p2pfsgroup" class="formselect">
|
|
365
|
<?php foreach ($p2_pfskeygroups as $keygroup => $keygroupname): ?>
|
|
366
|
<option value="<?=$keygroup;?>" <?php if ($keygroup == $pconfig['p2pfsgroup']) echo "selected"; ?>>
|
|
367
|
<?=htmlspecialchars($keygroupname);?>
|
|
368
|
</option>
|
|
369
|
<?php endforeach; ?>
|
|
370
|
</select> <br> <span class="vexpl"><em>1 = 768 bit, 2 = 1024
|
|
371
|
bit, 5 = 1536 bit</em></span></td>
|
|
372
|
</tr>
|
|
373
|
<tr>
|
|
374
|
<td width="22%" valign="top" class="vncell">Lifetime</td>
|
|
375
|
<td width="78%" class="vtable">
|
|
376
|
<input name="p2lifetime" type="text" class="formfld unknown" id="p2lifetime" size="20" value="<?=$pconfig['p2lifetime'];?>">
|
|
377
|
seconds</td>
|
|
378
|
</tr>
|
|
379
|
<tr>
|
|
380
|
<td width="22%" valign="top"> </td>
|
|
381
|
<td width="78%">
|
|
382
|
<input name="Submit" type="submit" class="formbtn" value="Save">
|
|
383
|
</td>
|
|
384
|
</tr>
|
|
385
|
</table>
|
|
386
|
</div>
|
|
387
|
</td>
|
|
388
|
</tr>
|
|
389
|
</table>
|
|
390
|
</form>
|
|
391
|
<script language="JavaScript">
|
|
392
|
<!--
|
|
393
|
methodsel_change();
|
|
394
|
//-->
|
|
395
|
</script>
|
|
396
|
<?php include("fend.inc"); ?>
|
|
397
|
</body>
|
|
398
|
</html>
|