diff options
Diffstat (limited to 'src/usr/local/www/vpn_l2tp.php')
| -rw-r--r-- | src/usr/local/www/vpn_l2tp.php | 493 |
1 files changed, 493 insertions, 0 deletions
diff --git a/src/usr/local/www/vpn_l2tp.php b/src/usr/local/www/vpn_l2tp.php new file mode 100644 index 0000000..88f4eae --- /dev/null +++ b/src/usr/local/www/vpn_l2tp.php @@ -0,0 +1,493 @@ +<?php +/* + vpn_l2tp.php + part of pfSense + + Copyright (C) 2005 Scott Ullrich (sullrich@gmail.com) + Copyright (C) 2013-2015 Electric Sheep Fencing, LP + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +##|+PRIV +##|*IDENT=page-vpn-vpnl2tp +##|*NAME=VPN: VPN L2TP page +##|*DESCR=Allow access to the 'VPN: VPN L2TP' page. +##|*MATCH=vpn_l2tp.php* +##|-PRIV + +$pgtitle = array(gettext("VPN"), gettext("L2TP"), gettext("L2TP")); +$shortcut_section = "l2tps"; + +require("guiconfig.inc"); +require_once("vpn.inc"); + +if (!is_array($config['l2tp']['radius'])) { + $config['l2tp']['radius'] = array(); +} +$l2tpcfg = &$config['l2tp']; + +$pconfig['remoteip'] = $l2tpcfg['remoteip']; +$pconfig['localip'] = $l2tpcfg['localip']; +$pconfig['l2tp_subnet'] = $l2tpcfg['l2tp_subnet']; +$pconfig['mode'] = $l2tpcfg['mode']; +$pconfig['interface'] = $l2tpcfg['interface']; +$pconfig['l2tp_dns1'] = $l2tpcfg['dns1']; +$pconfig['l2tp_dns2'] = $l2tpcfg['dns2']; +$pconfig['wins'] = $l2tpcfg['wins']; +$pconfig['radiusenable'] = isset($l2tpcfg['radius']['enable']); +$pconfig['radacct_enable'] = isset($l2tpcfg['radius']['accounting']); +$pconfig['radiusserver'] = $l2tpcfg['radius']['server']; +$pconfig['radiussecret'] = $l2tpcfg['radius']['secret']; +$pconfig['radiusissueips'] = $l2tpcfg['radius']['radiusissueips']; +$pconfig['n_l2tp_units'] = $l2tpcfg['n_l2tp_units']; +$pconfig['paporchap'] = $l2tpcfg['paporchap']; +$pconfig['secret'] = $l2tpcfg['secret']; + +if ($_POST) { + + unset($input_errors); + $pconfig = $_POST; + + /* input validation */ + if ($_POST['mode'] == "server") { + $reqdfields = explode(" ", "localip remoteip"); + $reqdfieldsn = array(gettext("Server address"), gettext("Remote start address")); + + if ($_POST['radiusenable']) { + $reqdfields = array_merge($reqdfields, explode(" ", "radiusserver radiussecret")); + $reqdfieldsn = array_merge($reqdfieldsn, + array(gettext("RADIUS server address"), gettext("RADIUS shared secret"))); + } + + do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors); + + if (($_POST['localip'] && !is_ipaddr($_POST['localip']))) { + $input_errors[] = gettext("A valid server address must be specified."); + } + if (is_ipaddr_configured($_POST['localip'])) { + $input_errors[] = gettext("'Server address' parameter should NOT be set to any IP address currently in use on this firewall."); + } + if (($_POST['l2tp_subnet'] && !is_ipaddr($_POST['remoteip']))) { + $input_errors[] = gettext("A valid remote start address must be specified."); + } + if (($_POST['radiusserver'] && !is_ipaddr($_POST['radiusserver']))) { + $input_errors[] = gettext("A valid RADIUS server address must be specified."); + } + + /* if this is an AJAX caller then handle via JSON */ + if (isAjax() && is_array($input_errors)) { + input_errors2Ajax($input_errors); + exit; + } + + if (!$input_errors) { + $_POST['remoteip'] = $pconfig['remoteip'] = gen_subnet($_POST['remoteip'], $_POST['l2tp_subnet']); + $subnet_start = ip2ulong($_POST['remoteip']); + $subnet_end = ip2ulong($_POST['remoteip']) + $_POST['n_l2tp_units'] - 1; + + if ((ip2ulong($_POST['localip']) >= $subnet_start) && + (ip2ulong($_POST['localip']) <= $subnet_end)) { + $input_errors[] = gettext("The specified server address lies in the remote subnet."); + } + if ($_POST['localip'] == get_interface_ip("lan")) { + $input_errors[] = gettext("The specified server address is equal to the LAN interface address."); + } + } + } + + /* if this is an AJAX caller then handle via JSON */ + if (isAjax() && is_array($input_errors)) { + input_errors2Ajax($input_errors); + exit; + } + + if (!$input_errors) { + $l2tpcfg['remoteip'] = $_POST['remoteip']; + $l2tpcfg['localip'] = $_POST['localip']; + $l2tpcfg['l2tp_subnet'] = $_POST['l2tp_subnet']; + $l2tpcfg['mode'] = $_POST['mode']; + $l2tpcfg['interface'] = $_POST['interface']; + $l2tpcfg['n_l2tp_units'] = $_POST['n_l2tp_units']; + + $l2tpcfg['radius']['server'] = $_POST['radiusserver']; + $l2tpcfg['radius']['secret'] = $_POST['radiussecret']; + $l2tpcfg['secret'] = $_POST['secret']; + + if ($_POST['wins']) { + $l2tpcfg['wins'] = $_POST['wins']; + } else { + unset($l2tpcfg['wins']); + } + + $l2tpcfg['paporchap'] = $_POST['paporchap']; + + + if ($_POST['l2tp_dns1'] == "") { + if (isset($l2tpcfg['dns1'])) { + unset($l2tpcfg['dns1']); + } + } else { + $l2tpcfg['dns1'] = $_POST['l2tp_dns1']; + } + + if ($_POST['l2tp_dns2'] == "") { + if (isset($l2tpcfg['dns2'])) { + unset($l2tpcfg['dns2']); + } + } else { + $l2tpcfg['dns2'] = $_POST['l2tp_dns2']; + } + + if ($_POST['radiusenable'] == "yes") { + $l2tpcfg['radius']['enable'] = true; + } else { + unset($l2tpcfg['radius']['enable']); + } + + if ($_POST['radacct_enable'] == "yes") { + $l2tpcfg['radius']['accounting'] = true; + } else { + unset($l2tpcfg['radius']['accounting']); + } + + if ($_POST['radiusissueips'] == "yes") { + $l2tpcfg['radius']['radiusissueips'] = true; + } else { + unset($l2tpcfg['radius']['radiusissueips']); + } + + write_config(); + + $retval = 0; + $retval = vpn_l2tp_configure(); + $savemsg = get_std_save_message($retval); + + /* if ajax is calling, give them an update message */ + if (isAjax()) { + print_info_box_np($savemsg); + } + } +} + +include("head.inc"); +?> + +<body link="#0000CC" vlink="#0000CC" alink="#0000CC" onload="<?= $jsevents["body"]["onload"] ?>"> +<?php include("fbegin.inc"); ?> + +<script type="text/javascript"> +//<![CDATA[ +function get_radio_value(obj) { + for (i = 0; i < obj.length; i++) { + if (obj[i].checked) { + return obj[i].value; + } + } + return null; +} + +function enable_change(enable_over) { + if ((get_radio_value(document.iform.mode) == "server") || enable_over) { + document.iform.remoteip.disabled = 0; + document.iform.localip.disabled = 0; + document.iform.l2tp_subnet.disabled = 0; + document.iform.radiusenable.disabled = 0; + document.iform.radiusissueips.disabled = 0; + document.iform.paporchap.disabled = 0; + document.iform.interface.disabled = 0; + document.iform.n_l2tp_units.disabled = 0; + document.iform.secret.disabled = 0; + document.iform.l2tp_dns1.disabled = 0; + document.iform.l2tp_dns2.disabled = 0; + /* fix colors */ + document.iform.remoteip.style.backgroundColor = '#FFFFFF'; + document.iform.localip.style.backgroundColor = '#FFFFFF'; + document.iform.l2tp_subnet.style.backgroundColor = '#FFFFFF'; + document.iform.radiusenable.style.backgroundColor = '#FFFFFF'; + document.iform.radiusissueips.style.backgroundColor = '#FFFFFF'; + document.iform.paporchap.style.backgroundColor = '#FFFFFF'; + document.iform.interface.style.backgroundColor = '#FFFFFF'; + document.iform.n_l2tp_units.style.backgroundColor = '#FFFFFF'; + document.iform.secret.style.backgroundColor = '#FFFFFF'; + if (document.iform.radiusenable.checked || enable_over) { + document.iform.radacct_enable.disabled = 0; + document.iform.radiusserver.disabled = 0; + document.iform.radiussecret.disabled = 0; + document.iform.radiusissueips.disabled = 0; + /* fix colors */ + document.iform.radacct_enable.style.backgroundColor = '#FFFFFF'; + document.iform.radiusserver.style.backgroundColor = '#FFFFFF'; + document.iform.radiussecret.style.backgroundColor = '#FFFFFF'; + document.iform.radiusissueips.style.backgroundColor = '#FFFFFF'; + } else { + document.iform.radacct_enable.disabled = 1; + document.iform.radiusserver.disabled = 1; + document.iform.radiussecret.disabled = 1; + document.iform.radiusissueips.disabled = 1; + /* fix colors */ + document.iform.radacct_enable.style.backgroundColor = '#D4D0C8'; + document.iform.radiusserver.style.backgroundColor = '#D4D0C8'; + document.iform.radiussecret.style.backgroundColor = '#D4D0C8'; + document.iform.radiusissueips.style.backgroundColor = '#D4D0C8'; + } + } else { + document.iform.interface.disabled = 1; + document.iform.n_l2tp_units.disabled = 1; + document.iform.l2tp_subnet.disabled = 1; + document.iform.l2tp_dns1.disabled = 1; + document.iform.l2tp_dns2.disabled = 1; + document.iform.paporchap.disabled = 1; + document.iform.remoteip.disabled = 1; + document.iform.localip.disabled = 1; + document.iform.radiusenable.disabled = 1; + document.iform.radacct_enable.disabled = 1; + document.iform.radiusserver.disabled = 1; + document.iform.radiussecret.disabled = 1; + document.iform.radiusissueips.disabled = 1; + document.iform.secret.disabled = 1; + /* fix colors */ + document.iform.interface.style.backgroundColor = '#D4D0C8'; + document.iform.n_l2tp_units.style.backgroundColor = '#D4D0C8'; + document.iform.l2tp_subnet.style.backgroundColor = '#D4D0C8'; + document.iform.paporchap.style.backgroundColor = '#D4D0C8'; + document.iform.remoteip.style.backgroundColor = '#D4D0C8'; + document.iform.localip.style.backgroundColor = '#D4D0C8'; + document.iform.radiusenable.style.backgroundColor = '#D4D0C8'; + document.iform.radacct_enable.style.backgroundColor = '#D4D0C8'; + document.iform.radiusserver.style.backgroundColor = '#D4D0C8'; + document.iform.radiussecret.style.backgroundColor = '#D4D0C8'; + document.iform.radiusissueips.style.backgroundColor = '#D4D0C8'; + document.iform.secret.style.backgroundColor = '#D4D0C8'; + } +} +//]]> +</script> +<form action="vpn_l2tp.php" method="post" name="iform" id="iform"> +<?php if ($input_errors) print_input_errors($input_errors); ?> +<?php if ($savemsg) print_info_box($savemsg); ?> +<div id="inputerrors"></div> +<table width="100%" border="0" cellpadding="0" cellspacing="0" summary="vpn l2tp"> + <tr><td class="tabnavtbl"> +<?php + $tab_array = array(); + $tab_array[0] = array(gettext("Configuration"), true, "vpn_l2tp.php"); + $tab_array[1] = array(gettext("Users"), false, "vpn_l2tp_users.php"); + display_top_tabs($tab_array); +?> + </td></tr> + <tr> + <td> + <div id="mainarea"> + <table class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0" summary="main area"> + <tr> + <td width="22%" valign="top" class="vtable"> </td> + <td width="78%" class="vtable"> + <input name="mode" type="radio" onclick="enable_change(false)" value="off" + <?php if (($pconfig['mode'] != "server") && ($pconfig['mode'] != "redir")) echo "checked=\"checked\"";?> /> + <?=gettext("Off"); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vtable"> </td> + <td width="78%" class="vtable"> + <input type="radio" name="mode" value="server" onclick="enable_change(false)" <?php if ($pconfig['mode'] == "server") echo "checked=\"checked\""; ?> /> + <?=gettext("Enable L2TP server"); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><b><?=gettext("Interface");?></b></td> + <td width="78%" valign="top" class="vtable"> + <select name="interface" class="formselect" id="interface"> + <?php + $interfaces = get_configured_interface_with_descr(); + foreach ($interfaces as $iface => $ifacename): + ?> + <option value="<?=$iface;?>" <?php if ($iface == $pconfig['interface']) echo "selected=\"selected\""; ?>> + <?=htmlspecialchars($ifacename);?> + </option> + <?php endforeach; ?> + </select> + <br /> + + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncellreq"><?=gettext("Server Address");?></td> + <td width="78%" class="vtable"> + <?=$mandfldhtml;?><input name="localip" type="text" class="formfld unknown" id="localip" size="20" value="<?=htmlspecialchars($pconfig['localip']);?>" /> + <br /> + <?=gettext("Enter the IP address the L2TP server should give to clients for use as their \"gateway\""); ?>. + <br /> + <?=gettext("Typically this is set to an unused IP just outside of the client range"); ?>. + <br /> + <br /> + <?=gettext("NOTE: This should NOT be set to any IP address currently in use on this firewall"); ?>. + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncellreq"><?=gettext("Remote Address Range");?></td> + <td width="78%" class="vtable"> + <?=$mandfldhtml;?><input name="remoteip" type="text" class="formfld unknown" id="remoteip" size="20" value="<?=htmlspecialchars($pconfig['remoteip']);?>" /> + <br /> + <?=gettext("Specify the starting address for the client IP address subnet.");?><br /> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncellreq"><?=gettext("Subnet Mask"); ?></td> + <td width="78%" class="vtable"> + <select id="l2tp_subnet" name="l2tp_subnet"> + <?php + for ($x = 0; $x < 33; $x++) { + if ($x == $pconfig['l2tp_subnet']) { + $SELECTED = " selected=\"selected\""; + } else { + $SELECTED = ""; + } + echo "<option value=\"{$x}\"{$SELECTED}>{$x}</option>\n"; + } + ?> + </select> + <br /><?=gettext("Hint:"); ?> 24 <?=gettext("is"); ?> 255.255.255.0 + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncellreq"><?=gettext("Number of L2TP users"); ?></td> + <td width="78%" class="vtable"> + <select id="n_l2tp_units" name="n_l2tp_units"> + <?php + for ($x = 0; $x < 255; $x++) { + if ($x == $pconfig['n_l2tp_units']) { + $SELECTED = " selected=\"selected\""; + } else { + $SELECTED = ""; + } + echo "<option value=\"{$x}\"{$SELECTED}>{$x}</option>\n"; + } + ?> + </select> + <br /><?=gettext("Hint:"); ?> 10 <?=gettext("is ten L2TP clients"); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?=gettext("Secret");?></td> + <td width="78%" class="vtable"> + <input type="password" name="secret" id="secret" class="formfld pwd" value="<?php echo htmlspecialchars($pconfig['secret']); ?>" /> + <br /> + <?=gettext("Specify optional secret shared between peers. Required on some devices/setups.");?><br /> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncellreq"><?=gettext("Authentication Type");?></td> + <td width="78%" class="vtable"> + <?=$mandfldhtml;?> + <select name="paporchap" id="paporchap"> + <option value='chap'<?php if ($pconfig['paporchap'] == "chap") echo " selected=\"selected\""; ?>><?=gettext("CHAP"); ?></option> + <option value='pap'<?php if ($pconfig['paporchap'] == "pap") echo " selected=\"selected\""; ?>><?=gettext("PAP"); ?></option> + </select> + <br /> + <?=gettext("Specifies which protocol to use for authentication.");?><br /> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?=gettext("L2TP DNS Servers"); ?></td> + <td width="78%" class="vtable"> + <?=$mandfldhtml;?><input name="l2tp_dns1" type="text" class="formfld unknown" id="l2tp_dns1" size="20" value="<?=htmlspecialchars($pconfig['l2tp_dns1']);?>" /> + <br /> + <input name="l2tp_dns2" type="text" class="formfld unknown" id="l2tp_dns2" size="20" value="<?=htmlspecialchars($pconfig['l2tp_dns2']);?>" /> + <br /> + <?=gettext("primary and secondary DNS servers assigned to L2TP clients"); ?><br /> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?=gettext("WINS Server"); ?></td> + <td width="78%" valign="top" class="vtable"> + <input name="wins" class="formfld unknown" id="wins" size="20" value="<?=htmlspecialchars($pconfig['wins']);?>" /> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?=gettext("RADIUS"); ?></td> + <td width="78%" class="vtable"> + <input name="radiusenable" type="checkbox" id="radiusenable" onclick="enable_change(false)" value="yes" <?php if ($pconfig['radiusenable']) echo "checked=\"checked\""; ?> /> + <strong> <?=gettext("Use a RADIUS server for authentication");?><br /></strong> + <?=gettext("When set, all users will be authenticated using the RADIUS server specified below. The local user database will not be used.");?><br /> + <br /> + <input name="radacct_enable" type="checkbox" id="radacct_enable" onclick="enable_change(false)" value="yes" <?php if ($pconfig['radacct_enable']) echo "checked=\"checked\""; ?> /> + <strong><?=gettext("Enable RADIUS accounting");?></strong><br /> + <?=gettext("Sends accounting packets to the RADIUS server.");?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?=gettext("RADIUS Server");?></td> + <td width="78%" class="vtable"> + <input name="radiusserver" type="text" class="formfld unknown" id="radiusserver" size="20" value="<?=htmlspecialchars($pconfig['radiusserver']);?>" /> + <br /> + <?=gettext("Enter the IP address of the RADIUS server.");?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?=gettext("RADIUS Shared Secret");?></td> + <td width="78%" valign="top" class="vtable"> + <input name="radiussecret" type="password" class="formfld pwd" id="radiussecret" size="20" value="<?=htmlspecialchars($pconfig['radiussecret']);?>" /> + <br /> + <?=gettext("Enter the shared secret that will be used to authenticate to the RADIUS server.");?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?=gettext("RADIUS Issued IP's");?></td> + <td width="78%" valign="top" class="vtable"> + <input name="radiusissueips" value="yes" type="checkbox" class="formfld" id="radiusissueips"<?php if (isset($pconfig['radiusissueips'])) echo " checked=\"checked\""; ?> /> + <br /> + <?=gettext("Issue IP Addresses via RADIUS server.");?> + </td> + </tr> + <tr> + <td width="22%" valign="top"> </td> + <td width="78%"> + <input id="submit" name="Submit" type="submit" class="formbtn" value="<?=gettext("Save"); ?>" onclick="enable_change(true)" /> + </td> + </tr> + <tr> + <td colspan="2"> + <span class="vexpl"> + <strong class="red"><?=gettext("Note:");?></strong><br /> + <?=gettext("Don't forget to add a firewall rule to permit traffic from L2TP clients!");?> + </span> + </td> + </tr> + </table> + </div> + </td> + </tr> +</table> +</form> + +<script type="text/javascript"> +//<![CDATA[ + enable_change(false); +//]]> +</script> + +<?php include("fend.inc"); ?> +</body> +</html> |
