<?php 
/*
	vpn_openvpn_export.php

	Copyright (C) 2008 Shrew Soft Inc.
	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.

	DISABLE_PHP_LINT_CHECKING
*/

require("globals.inc");
require("guiconfig.inc");
require("openvpn-client-export.inc");

$pgtitle = array("OpenVPN", "Client Export Utility");

if (!is_array($config['openvpn']['openvpn-server']))
    $config['openvpn']['openvpn-server'] = array();

$a_server = $config['openvpn']['openvpn-server'];

if (!is_array($config['system']['user']))
    $config['system']['user'] = array();

$a_user = $config['system']['user'];

$ras_server = array();
foreach($a_server as $sindex => & $server) {
	$ras_user = array();
	if (stripos($server['mode'], "server") === false)
		continue;
	foreach($a_user as $uindex => & $user) {
		if (!is_array($user['cert']))
			continue;
		foreach($user['cert'] as $cindex => & $cert) {
			if ($cert['caref'] != $server['caref'])
				continue;
			$ras_userent = array();
			$ras_userent['uindex'] = $uindex;
			$ras_userent['cindex'] = $cindex;
			$ras_userent['name'] = $user['name'];
			$ras_userent['certname'] = $cert['name'];
			$ras_user[] = $ras_userent;
		}
	}
	if (!count($ras_user))
		continue;
	$ras_serverent = array();
	$prot = $server['protocol'];
	$port = $server['local_port'];
	if ($server['description'])
		$name = "{$server['description']} {$prot}:{$port}";
	else
		$name = "Server {$prot}:{$port}";
	$ras_serverent['index'] = $sindex;
	$ras_serverent['name'] = $name;
	$ras_serverent['users'] = $ras_user;
	$ras_server[] = $ras_serverent;
}

$id = $_GET['id'];
if (isset($_POST['id']))
	$id = $_POST['id'];

$act = $_GET['act'];
if (isset($_POST['act']))
	$act = $_POST['act'];

if($act == "conf") {
	$srvid = $_GET['srvid'];
	$usrid = $_GET['usrid'];
	$crtid = $_GET['crtid'];
	if (($srvid === false) || ($usrid === false) || ($crtid === false)) {
		pfSenseHeader("vpn_openvpn_export.php");
		exit;
	}
	$useaddr = $_GET['useaddr'];
	$usetoken = $_GET['usetoken'];

	$exp_name = openvpn_client_export_prefix($srvid);
	$exp_name = urlencode($exp_name."-config.ovpn");
	$exp_data = openvpn_client_export_config($srvid, $usrid, $crtid, $useaddr, $usetoken);
	if (!$exp_data)
		$input_errors[] = "Failed to export config files!";
	else {
		$exp_size = strlen($exp_data);

		header("Content-Type: application/octet-stream");
		header("Content-Disposition: attachment; filename={$exp_name}");
		header("Content-Length: $exp_size");
		echo $exp_data;
		exit;
	}
}

if($act == "visc") {
	$srvid = $_GET['srvid'];
	$usrid = $_GET['usrid'];
	$crtid = $_GET['crtid'];
	if (($srvid === false) || ($usrid === false) || ($crtid === false)) {
		pfSenseHeader("vpn_openvpn_export.php");
		exit;
	}
	$useaddr = $_GET['useaddr'];
	$usetoken = $_GET['usetoken'];
	$password = "";
	if ($_GET['password'])
		$password = $_GET['password']; ;

	$exp_name = openvpn_client_export_prefix($srvid);
	$exp_name = urlencode($exp_name."-Viscosity.visc.zip");
	$exp_path = viscosity_openvpn_client_config_exporter($srvid, $usrid, $crtid, $useaddr, $usetoken, $password);
	if (!$exp_path)
		$input_errors[] = "Failed to export config files!";
	else {
		$exp_size = filesize($exp_path);

		header("Content-Type: application/octet-stream");
		header("Content-Disposition: attachment; filename={$exp_name}");
		header("Content-Length: $exp_size");
		readfile($exp_path);
		//unlink($exp_path);
		exit;
	}
}

if($act == "inst") {
	$srvid = $_GET['srvid'];
	$usrid = $_GET['usrid'];
	$crtid = $_GET['crtid'];
	if (($srvid === false) || ($usrid === false) || ($crtid === false)) {
		pfSenseHeader("vpn_openvpn_export.php");
		exit;
	}
	$useaddr = $_GET['useaddr'];
	$usetoken = $_GET['usetoken'];
	$password = "";
	if ($_GET['password'])
		$password = $_GET['password']; ;

	$exp_name = openvpn_client_export_prefix($srvid);
	$exp_name = urlencode($exp_name."-install.exe");
	$exp_path = openvpn_client_export_installer($srvid, $usrid, $crtid, $useaddr, $usetoken, $password);
	if (!$exp_path)
		$input_errors[] = "Failed to export config files!";
	else {
		$exp_size = filesize($exp_path);

		header("Content-Type: application/octet-stream");
		header("Content-Disposition: attachment; filename={$exp_name}");
		header("Content-Length: $exp_size");
		readfile($exp_path);
		unlink($exp_path);
		exit;
	}
}

include("head.inc");

?>

<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
<?php include("fbegin.inc"); ?>
<script language="JavaScript">
	var viscosityAvailable = false;
<!--

var servers = new Array();
<?php foreach ($ras_server as $sindex => & $server): ?>
servers[<?=$sindex;?>] = new Array();
servers[<?=$sindex;?>][0] = '<?=$server['index'];?>';
servers[<?=$sindex;?>][1] = new Array();
<?php 	foreach ($server['users'] as $uindex => & $user): ?>
servers[<?=$sindex;?>][1][<?=$uindex;?>] = new Array();
servers[<?=$sindex;?>][1][<?=$uindex;?>][0] = '<?=$user['uindex'];?>';
servers[<?=$sindex;?>][1][<?=$uindex;?>][1] = '<?=$user['cindex'];?>';
servers[<?=$sindex;?>][1][<?=$uindex;?>][2] = '<?=$user['name'];?>';
servers[<?=$sindex;?>][1][<?=$uindex;?>][3] = '<?=$user['certname'];?>';
<?		endforeach; ?>
<?	endforeach; ?>

function download_begin(act, i) {

	var index = document.getElementById("server").selectedIndex;
	var users = servers[index][1];

	var useaddr = 0;
	if (document.getElementById("useaddr").checked)
		useaddr = 1;
	var usetoken = 0;
	if (document.getElementById("usetoken").checked)
		usetoken = 1;
	var usepass = 0;
	if (document.getElementById("usepass").checked)
		usepass = 1;

	var pass = document.getElementById("pass").value;
	var conf = document.getElementById("conf").value;
	if (usepass && (act == "inst")) {
		if (!pass || !conf) {
			alert("The password or confirm field is empty");
			return;
		}
		if (pass != conf) {
			alert("The password and confirm fields must match");
			return;
		}
	}

	var dlurl;
	dlurl  = "/vpn_openvpn_export.php?act=" + act;
	dlurl += "&srvid=" + servers[index][0];
	dlurl += "&usrid=" + users[i][0];
	dlurl += "&crtid=" + users[i][1];
	dlurl += "&useaddr=" + useaddr;
	dlurl += "&usetoken=" + usetoken;
	if (usepass)
		dlurl += "&password=" + pass;

	window.open(dlurl,"_self");
}

function server_changed() {

	var table = document.getElementById("users");
	while (table.rows.length > 1 )
		table.deleteRow(1);

	var index = document.getElementById("server").selectedIndex;
	var users = servers[index][1];
	for (i=0; i < users.length; i++) {
		var row = table.insertRow(table.rows.length);
		var cell0 = row.insertCell(0);
		var cell1 = row.insertCell(1);
		var cell2 = row.insertCell(2);
		cell0.className = "listlr";
		cell0.innerHTML = users[i][2];
		cell1.className = "listr";
		cell1.innerHTML = users[i][3];
		cell2.className = "listr";
		cell2.innerHTML  = "<a href='javascript:download_begin(\"conf\"," + i + ")'>Configuration</a>";
		cell2.innerHTML += "&nbsp;/&nbsp;";
		cell2.innerHTML += "<a href='javascript:download_begin(\"inst\"," + i + ")'>Windows Installer</a>";
		cell2.innerHTML += "&nbsp;/&nbsp;";
		cell2.innerHTML += "<a href='javascript:download_begin(\"visc\"," + i + ")'>Viscosity Bundle</a>";
	}
}

function usepass_changed() {

	if (document.getElementById("usepass").checked)
		document.getElementById("usepass_opts").style.display = "";
	else
		document.getElementById("usepass_opts").style.display = "none";
}

//-->
</script>
<?php
	if ($input_errors)
		print_input_errors($input_errors);
	if ($savemsg)
		print_info_box($savemsg);
?>
<table width="100%" border="0" cellpadding="0" cellspacing="0">
 	<tr>
		<td>
			<?php 
				$tab_array = array();
				$tab_array[] = array(gettext("Server"), false, "vpn_openvpn_server.php");
				$tab_array[] = array(gettext("Client"), false, "vpn_openvpn_client.php");
				$tab_array[] = array(gettext("Client Specific Overrides"), false, "vpn_openvpn_csc.php");
				$tab_array[] = array(gettext("Client Export"), true, "vpn_openvpn_export.php");
				display_top_tabs($tab_array);
			?>
		</td>
	</tr>
	<tr>
		<td id="mainarea">
			<div class="tabcont">
				<table width="100%" border="0" cellpadding="6" cellspacing="0">
					<tr>
						<td width="22%" valign="top" class="vncellreq">Remote Access Server</td>
						<td width="78%" class="vtable">
							<select name="server" id="server" class="formselect" onChange="server_changed()">
								<?php foreach($ras_server as & $server): ?>
								<option value="<?=$server['sindex'];?>"><?=$server['name'];?></option>
								<?php endforeach; ?>
							</select>
						</td>
					</tr>
					<tr>
						<td width="22%" valign="top" class="vncell">Host Name Resolution</td>
						<td width="78%" class="vtable">
							<table border="0" cellpadding="2" cellspacing="0">
								<tr>
									<td>
										<input name="useaddr" id="useaddr" type="checkbox" value="yes">
									</td>
									<td>
										<span class="vexpl">
											Use the server IP address instead of the hostname.
										</span>
									</td>
								</tr>
							</table>
						</td>
					</tr>
					<tr>
						<td width="22%" valign="top" class="vncell">Certificate Export Options</td>
						<td width="78%" class="vtable">
							<table border="0" cellpadding="2" cellspacing="0">
								<tr>
									<td>
										<input name="usetoken" id="usetoken" type="checkbox" value="yes">
									</td>
									<td>
										<span class="vexpl">
											 Use Microsoft Certificate Storage instead of local files.
										</span>
									</td>
								</tr>
							</table>
							<table border="0" cellpadding="2" cellspacing="0">
								<tr>
									<td>
										<input name="usepass" id="usepass" type="checkbox" value="yes" onClick="usepass_changed()">
									</td>
									<td>
										<span class="vexpl">
											Use a password to protect the pkcs12 file contents.
										</span>
									</td>
								</tr>
							</table>
							<table border="0" cellpadding="2" cellspacing="0" id="usepass_opts">
								<tr>
									<td align="right">
										<span class="vexpl">
											 &nbsp;Password :&nbsp;
										</span>
									</td>
									<td>
										<input name="pass" id="pass" type="password" class="formfld pwd" size="20" value="" />
									</td>
								</tr>
								<tr>
									<td align="right">
										<span class="vexpl">
											 &nbsp;Confirm :&nbsp;
										</span>
									</td>
									<td>
										<input name="conf" id="conf" type="password" class="formfld pwd" size="20" value="" />
									</td>
								</tr>
							</table>
						</td>
					</tr>
					<tr>
						<td colspan="2" class="list" height="12">&nbsp;</td>
					</tr>
					<tr>
						<td colspan="2" valign="top" class="listtopic">Client Install Packages</td>
					</tr>
				</table>
				<table width="100%" id="users" width="100%" border="0" cellpadding="0" cellspacing="0">
					<tr>
						<td width="25%" class="listhdrr"><?=gettext("User");?></td>
						<td width="50%" class="listhdrr"><?=gettext("Certificate Name");?></td>
						<td width="25%" class="listhdrr"><?=gettext("Export");?></td>
					</tr>
				</table>
			</div>
		</td>
	</tr>
</table>
<script language="JavaScript">
<!--
server_changed();
//-->
</script>
</body>
<?php include("fend.inc"); ?>