<?php
/*
	Copyright (C) 2014-2015 Deciso B.V.
	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
	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.
*/

require("guiconfig.inc");
require_once("functions.inc");
require_once("filter.inc");
require_once("shaper.inc");

if (!is_array($config['staticroutes']['route']))
	$config['staticroutes']['route'] = array();

$a_routes = &$config['staticroutes']['route'];
$a_gateways = return_gateways_array(true, true, true);
$changedesc_prefix = gettext("Static Routes") . ": ";

if ($_POST) {

	$pconfig = $_POST;

	if ($_POST['apply']) {

		$retval = 0;

		if (file_exists("{$g['tmp_path']}/.system_routes.apply")) {
			$toapplylist = unserialize(file_get_contents("{$g['tmp_path']}/.system_routes.apply"));
			foreach ($toapplylist as $toapply)
				mwexec("{$toapply}");

			@unlink("{$g['tmp_path']}/.system_routes.apply");
		}

		$retval = system_routing_configure();
		$retval |= filter_configure();
		/* reconfigure our gateway monitor */
		setup_gateways_monitor();

		$savemsg = get_std_save_message($retval);
		if ($retval == 0)
			clear_subsystem_dirty('staticroutes');
	}
}

function delete_static_route($id) {
	global $config, $a_routes, $changedesc_prefix;

	if (!isset($a_routes[$id]))
		return;

	$targets = array();
	if (is_alias($a_routes[$id]['network'])) {
		foreach (filter_expand_alias_array($a_routes[$id]['network']) as $tgt) {
			if (is_ipaddrv4($tgt))
				$tgt .= "/32";
			else if (is_ipaddrv6($tgt))
				$tgt .= "/128";
			if (!is_subnet($tgt))
				continue;
			$targets[] = $tgt;
		}
	} else {
		$targets[] = $a_routes[$id]['network'];
	}

	foreach ($targets as $tgt) {
		$family = (is_subnetv6($tgt) ? "-inet6" : "-inet");
		mwexec("/sbin/route delete {$family} " . escapeshellarg($tgt));
	}

	unset($targets);
}

if ($_GET['act'] == "del") {
	if ($a_routes[$_GET['id']]) {
		$changedesc = $changedesc_prefix . gettext("removed route to") . " " . $a_routes[$_GET['id']]['network'];
		delete_static_route($_GET['id']);
		unset($a_routes[$_GET['id']]);
		write_config($changedesc);
		header("Location: system_routes.php");
		exit;
	}
}

if (isset($_POST['del_x'])) {
	/* delete selected routes */
	if (is_array($_POST['route']) && count($_POST['route'])) {
		$changedesc = $changedesc_prefix . gettext("removed route to");
		foreach ($_POST['route'] as $routei) {
			$changedesc .= " " . $a_routes[$routei]['network'];
			delete_static_route($routei);
			unset($a_routes[$routei]);
		}
		write_config($changedesc);
		header("Location: system_routes.php");
		exit;
	}

} else if ($_GET['act'] == "toggle") {
	if ($a_routes[$_GET['id']]) {
		if(isset($a_routes[$_GET['id']]['disabled'])) {
			unset($a_routes[$_GET['id']]['disabled']);
			$changedesc = $changedesc_prefix . gettext("enabled route to") . " " . $a_routes[$id]['network'];
		} else {
			delete_static_route($_GET['id']);
			$a_routes[$_GET['id']]['disabled'] = true;
			$changedesc = $changedesc_prefix . gettext("disabled route to") . " " . $a_routes[$id]['network'];
		}

		if (write_config($changedesc))
			mark_subsystem_dirty('staticroutes');
		header("Location: system_routes.php");
		exit;
	}
} else {
	/* yuck - IE won't send value attributes for image buttons, while Mozilla does - so we use .x/.y to find move button clicks instead... */
	unset($movebtn);
	foreach ($_POST as $pn => $pd) {
		if (preg_match("/move_(\d+)_x/", $pn, $matches)) {
			$movebtn = $matches[1];
			break;
		}
	}
	/* move selected routes before this route */
	if (isset($movebtn) && is_array($_POST['route']) && count($_POST['route'])) {
		$a_routes_new = array();

		/* copy all routes < $movebtn and not selected */
		for ($i = 0; $i < $movebtn; $i++) {
			if (!in_array($i, $_POST['route']))
				$a_routes_new[] = $a_routes[$i];
		}

		/* copy all selected routes */
		for ($i = 0; $i < count($a_routes); $i++) {
			if ($i == $movebtn)
				continue;
			if (in_array($i, $_POST['route']))
				$a_routes_new[] = $a_routes[$i];
		}

		/* copy $movebtn route */
		if ($movebtn < count($a_routes))
			$a_routes_new[] = $a_routes[$movebtn];

		/* copy all routes > $movebtn and not selected */
		for ($i = $movebtn+1; $i < count($a_routes); $i++) {
			if (!in_array($i, $_POST['route']))
				$a_routes_new[] = $a_routes[$i];
		}
		if (count($a_routes_new) > 0)
			$a_routes = $a_routes_new;

		if (write_config())
			mark_subsystem_dirty('staticroutes');
		header("Location: system_routes.php");
		exit;
	}
}

$pgtitle = array(gettext("System"),gettext("Static Routes"));
$shortcut_section = "routing";

include("head.inc");

$main_buttons = array(
	array('label'=>'Add', 'href'=>'system_routes_edit.php'),
);


?>


<body>
	<?php include("fbegin.inc"); ?>
	<script type="text/javascript" src="/javascript/row_toggle.js"></script>

	<section class="page-content-main">
		<div class="container-fluid">
			<div class="row">

				<?php if ($savemsg) print_info_box($savemsg); ?>
				<?php if (is_subsystem_dirty('staticroutes')): ?><p>
				<?php print_info_box_np(sprintf(gettext("The static route configuration has been changed.%sYou must apply the changes in order for them to take effect."), "<br />"));?><br /></p>
				<?php endif; ?>

			    <section class="col-xs-12">


					<?php
						$tab_array = array();
						$tab_array[0] = array(gettext("Gateways"), false, "system_gateways.php");
						$tab_array[1] = array(gettext("Routes"), true, "system_routes.php");
						$tab_array[2] = array(gettext("Groups"), false, "system_gateway_groups.php");
						display_top_tabs($tab_array);
					?>

					<div class="tab-content content-box col-xs-12">

				    <div class="container-fluid">

	                        <form action="system_routes.php" method="post" name="iform" id="iform">


	                        <div class="table-responsive">
		                        <table class="table table-striped table-sort">

									<tr id="frheader">
										<td width="2%" class="list">&nbsp;</td>
										<td width="2%" class="list">&nbsp;</td>
										<td width="22%" class="listhdrr"><?=gettext("Network");?></td>
										<td width="20%" class="listhdrr"><?=gettext("Gateway");?></td>
										<td width="15%" class="listhdrr"><?=gettext("Interface");?></td>
										<td width="29%" class="listhdr"><?=gettext("Description");?></td>
										<td width="10%" class="list">

										</td>
									</tr>
									<?php $i = 0; foreach ($a_routes as $route): ?>
									<tr valign="top" id="fr<?=$i;?>">
									<?php
										$iconfn = "glyphicon glyphicon-play text-success";
										if (isset($route['disabled'])) {
											$textss = "<span class=\"gray\">";
											$textse = "</span>";
											$iconfn .= "glyphicon glyphicon-play text-muted";
										} else
											$textss = $textse = "";
									?>
										<td class="listt">
											<input type="checkbox" id="frc<?=$i;?>" name="route[]" value="<?=$i;?>" onclick="fr_bgcolor('<?=$i;?>')" />
										</td>
										<td class="listt" align="center">
											<a href="?act=toggle&amp;id=<?=$i;?>">
												<span class="<?=$iconfn;?>" title="<?=gettext("click to toggle enabled/disabled status");?>" alt="icon"></span>
											</a>
										</td>
										<td class="listlr" onclick="fr_toggle(<?=$i;?>)" id="frd<?=$i;?>" ondblclick="document.location='system_routes_edit.php?id=<?=$i;?>';">
											<?=$textss;?><?=strtolower($route['network']);?><?=$textse;?>
										</td>
										<td class="listr" onclick="fr_toggle(<?=$i;?>)" id="frd<?=$i;?>" ondblclick="document.location='system_routes_edit.php?id=<?=$i;?>';">
											<?=$textss;?>
											<?php
												echo htmlentities($a_gateways[$route['gateway']]['name']) . " - " . htmlentities($a_gateways[$route['gateway']]['gateway']);
											?>
											<?=$textse;?>
										</td>
										<td class="listr" onclick="fr_toggle(<?=$i;?>)" id="frd<?=$i;?>" ondblclick="document.location='system_routes_edit.php?id=<?=$i;?>';">
											<?=$textss;?>
											<?php
												echo convert_friendly_interface_to_friendly_descr($a_gateways[$route['gateway']]['friendlyiface']) . " ";
											?>
											<?=$textse;?>
										</td>
										<td class="listbg" onclick="fr_toggle(<?=$i;?>)" ondblclick="document.location='system_routes_edit.php?id=<?=$i;?>';">
											<?=$textss;?><?=htmlspecialchars($route['descr']);?>&nbsp;<?=$textse;?>
										</td>
										<td class="list nowrap" valign="middle">
											<table border="0" cellspacing="0" cellpadding="1" summary="move">
												<tr>
													<td align="center" valign="middle">
														<button onmouseover="fr_insline(<?=$i;?>, true)" onmouseout="fr_insline(<?=$i;?>, false)" name="move_<?=$i;?>"
															class="btn btn-default btn-xs"
															title="<?=gettext("move selected rules before this rule");?>"
															type="submit"><span class="glyphicon glyphicon-arrow-left"></span></button>
													</td>
													<td>
														<a class="btn btn-default btn-xs" href="system_routes_edit.php?id=<?=$i;?>">
															<span class="glyphicon glyphicon-pencil" title="<?=gettext("edit rule");?>" alt="edit"></span>
														</a>
													</td>
												</tr>
												<tr>
													<td align="center" valign="middle">
														<a class="btn btn-default btn-xs" href="system_routes.php?act=del&amp;id=<?=$i;?>" onclick="return confirm('<?=gettext("Do you really want to delete this rule?");?>')">
															<span class="glyphicon glyphicon-remove" title="<?=gettext("delete rule");?>" alt="delete"></span>
														</a>
													</td>
													<td>
														<a class="btn btn-default btn-xs" href="system_routes_edit.php?dup=<?=$i;?>">
															<span class="glyphicon glyphicon-plus" title="<?=gettext("add a new rule based on this one");?>" alt="duplicate"></span>
														</a>
													</td>
												</tr>
											</table>
										</td>
									</tr>
									<?php $i++; endforeach; ?>
									<tr>
										<td class="list" colspan="6"></td>
										<td class="list nowrap" valign="middle">
											<table border="0" cellspacing="0" cellpadding="1" summary="edit">
												<tr>
													<td>
				<?php
													if ($i == 0):
				?>
														<span class="glyphicon glyphicon-arrow-left text-muted"
															title="<?=gettext("move selected routes to end");?>" alt="move" />
				<?php
													else:
				?>
														<button name="move_<?=$i;?>" type="submit" class="btn btn-default btn-xs"
															title="<?=gettext("move selected routes to end");?>"><span class="glyphicon glyphicon-arrow-left"></span></button>
				<?php
													endif;
				?>
													</td>
													<td>
														<a href="system_routes_edit.php" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-plus"></span></a>
													</td>
												</tr>
												<tr>
													<td>
				<?php
													if ($i == 0):
				?>
														<span class="btn btn-default btn-xs">
															<span class="glyphicon glyphicon-remove text-muted"></span>
														</span>

				<?php
													else:
				?>
														<button name="del_x" type="submit" title="<?=gettext("delete selected routes");?>"
															onclick="return confirm('<?=gettext("Do you really want to delete the selected routes?");?>')" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-remove"></span></button>
				<?php
													endif;
				?>
													</td>
												</tr>
											</table>
										</td>
									</tr>
								</table>
	                        </div>
	                        <p><b><?=gettext("Note:");?></b>  <?=gettext("Do not enter static routes for networks assigned on any interface of this firewall.  Static routes are only used for networks reachable via a different router, and not reachable via your default gateway.");?></p>

	                        </form>
				    </div>
					</div>
			    </section>
			</div>
		</div>
	</section>


<?php include("foot.inc"); ?>
