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#!/usr/local/bin/php
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<?php
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/*
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firewall_shaper.php
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Copyright (C) 2004, 2005 Scott Ullrich
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All rights reserved.
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Originally part of m0n0wall (http://m0n0.ch/wall)
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Copyright (C) 2003-2004 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($config['shaper']['rule'])) {
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$config['shaper']['rule'] = array();
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}
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if (!is_array($config['shaper']['queue'])) {
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$config['shaper']['queue'] = array();
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}
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$a_shaper = &$config['shaper']['rule'];
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$a_queue = &$config['shaper']['queue'];
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$pconfig['enable'] = isset($config['shaper']['enable']);
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if ($_POST) {
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if ($_POST['submit']) {
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$pconfig = $_POST;
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$config['shaper']['enable'] = $_POST['enable'] ? true : false;
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write_config();
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}
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if ($_POST['apply'] || $_POST['submit']) {
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$config['shaper']['enable'] = $_POST['enable'] ? true : false;
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write_config();
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$retval = 0;
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$savemsg = get_std_save_message($retval);
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/* Setup pf rules since the user may have changed the optimization value */
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config_lock();
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$retval = filter_configure();
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config_unlock();
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if(stristr($retval, "error") <> true)
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$savemsg = get_std_save_message($retval);
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else
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$savemsg = $retval;
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if(file_exists($d_shaperconfdirty_path))
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unlink($d_shaperconfdirty_path);
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}
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}
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if ($_GET['act'] == "del") {
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if ($a_shaper[$_GET['id']]) {
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unset($a_shaper[$_GET['id']]);
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write_config();
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touch($d_shaperconfdirty_path);
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header("Location: firewall_shaper.php");
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exit;
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}
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} else if ($_GET['act'] == "down") {
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if ($a_shaper[$_GET['id']] && $a_shaper[$_GET['id']+1]) {
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$tmp = $a_shaper[$_GET['id']+1];
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$a_shaper[$_GET['id']+1] = $a_shaper[$_GET['id']];
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$a_shaper[$_GET['id']] = $tmp;
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write_config();
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touch($d_shaperconfdirty_path);
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header("Location: firewall_shaper.php");
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exit;
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}
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} else if ($_GET['act'] == "up") {
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if (($_GET['id'] > 0) && $a_shaper[$_GET['id']]) {
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$tmp = $a_shaper[$_GET['id']-1];
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$a_shaper[$_GET['id']-1] = $a_shaper[$_GET['id']];
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$a_shaper[$_GET['id']] = $tmp;
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write_config();
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touch($d_shaperconfdirty_path);
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header("Location: firewall_shaper.php");
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exit;
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}
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} else if ($_GET['act'] == "toggle") {
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if ($a_shaper[$_GET['id']]) {
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$a_shaper[$_GET['id']]['disabled'] = !isset($a_shaper[$_GET['id']]['disabled']);
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write_config();
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touch($d_shaperconfdirty_path);
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header("Location: firewall_shaper.php");
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exit;
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}
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} else {
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/* yuck - IE won't send value attributes for image buttons, while Mozilla does -
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so we use .x/.y to fine move button clicks instead... */
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unset($movebtn);
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foreach ($_POST as $pn => $pd) {
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if (preg_match("/move_(\d+)_x/", $pn, $matches)) {
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$movebtn = $matches[1];
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break;
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}
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}
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/* move selected rules before this rule */
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if (isset($movebtn) && is_array($_POST['rule']) && count($_POST['rule'])) {
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$a_shaper_new = array();
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/* copy all rules < $movebtn and not selected */
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for ($i = 0; $i < $movebtn; $i++) {
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if (!in_array($i, $_POST['rule']))
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$a_shaper_new[] = $a_shaper[$i];
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}
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/* copy all selected rules */
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for ($i = 0; $i < count($a_shaper); $i++) {
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if ($i == $movebtn)
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continue;
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if (in_array($i, $_POST['rule']))
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$a_shaper_new[] = $a_shaper[$i];
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}
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/* copy $movebtn rule */
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if ($movebtn < count($a_shaper))
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$a_shaper_new[] = $a_shaper[$movebtn];
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/* copy all rules > $movebtn and not selected */
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for ($i = $movebtn+1; $i < count($a_shaper); $i++) {
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if (!in_array($i, $_POST['rule']))
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$a_shaper_new[] = $a_shaper[$i];
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}
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$a_shaper = $a_shaper_new;
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write_config();
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touch($d_shaperconfdirty_path);
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header("Location: firewall_shaper.php");
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exit;
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}
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}
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?>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title><?=gentitle("Firewall: Traffic shaper: Rules");?></title>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<link href="gui.css" rel="stylesheet" type="text/css">
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</head>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<p class="pgtitle">Firewall: Traffic shaper: Rules</p>
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<form action="firewall_shaper.php" method="post" name="iform">
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<script type="text/javascript" language="javascript" src="row_toggle.js">
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</script>
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<?php if ($savemsg) print_info_box($savemsg); ?>
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<?php if (file_exists($d_shaperconfdirty_path)): ?><p>
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<?php print_info_box_np("The traffic shaper configuration has been changed.<br>You must apply the changes in order for them to take effect.");?><br>
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<input name="apply" type="submit" class="formbtn" id="apply" value="Apply changes"></p>
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<?php endif; ?>
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr><td>
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<ul id="tabnav">
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<li class="tabact">Rules</li>
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<li class="tabinact"><a href="firewall_shaper_queues.php">Queues</a></li>
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<li class="tabinact"><a href="firewall_shaper_magic.php">Magic shaper wizard</a></li>
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</ul>
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</td></tr>
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<tr>
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<td class="tabcont">
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<table width="100%" border="0" cellpadding="6" cellspacing="0">
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<tr>
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<td class="vtable"><p>
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<input name="enable" type="checkbox" id="enable" value="yes" <?php if ($pconfig['enable'] == "yes") echo "checked";?>>
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<strong>Enable traffic shaper<br>
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</strong></p></td>
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</tr>
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<tr>
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<td> <input name="submit" type="submit" class="formbtn" value="Save">
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</td>
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</tr>
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</table>
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<br>
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr id="frheader">
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<td width="3%" class="list"> </td>
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<td width="3%" class="list"> </td>
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<td width="5%" class="listhdrrns">If</td>
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<td width="5%" class="listhdrrns">Proto</td>
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<td width="20%" class="listhdrr">Source</td>
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<td width="20%" class="listhdrr">Destination</td>
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<td width="15%" class="listhdrrns">Target</td>
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<td width="25%" class="listhdr">Description</td>
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<td width="10%" class="list"></td>
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</tr>
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<?php $nrules = $i = 0; foreach ($a_shaper as $shaperent): ?>
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<tr valign="top" id="fr<?=$nrules;?>">
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<td class="listt"><input type="checkbox" id="frc<?=$nrules;?>" name="rule[]" value="<?=$i;?>" onClick="fr_bgcolor('<?=$nrules;?>')" style="margin: 0; padding: 0; width: 15px; height: 15px;"></td>
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<td class="listt" align="center"></td>
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<td class="listlr" onClick="fr_toggle(<?=$nrules;?>)" id="frd<?=$nrules;?>">
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<?php
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$dis = "";
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if (isset($shaperent['disabled'])) {
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$dis = "_d";
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$textss = "<span class=\"gray\">";
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$textse = "</span>";
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} else {
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$textss = $textse = "";
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}
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$iflabels = array('lan' => 'LAN', 'wan' => 'WAN', 'pptp' => 'PPTP');
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for ($j = 1; isset($config['interfaces']['opt' . $j]); $j++)
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$iflabels['opt' . $j] = $config['interfaces']['opt' . $j]['descr'];
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echo $textss . htmlspecialchars($iflabels[$shaperent['interface']]);
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echo "<br>";
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echo "<a href=\"?act=toggle&id={$i}\">";
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if ($shaperent['direction'] != "in")
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echo "<img src=\"out{$dis}.gif\" width=\"11\" height=\"11\" border=\"0\" style=\"margin-top: 5px\" title=\"click to toggle enabled/disabled status\">";
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if ($shaperent['direction'] != "out")
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echo "<img src=\"in{$dis}.gif\" width=\"11\" height=\"11\" border=\"0\" style=\"margin-top: 5px\" title=\"click to toggle enabled/disabled status\">";
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echo "</a>" . $textse;;
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?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nrules;?>)" id="frd<?=$nrules;?>">
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<?=$textss;?><?php if (isset($shaperent['protocol'])) echo strtoupper($shaperent['protocol']); else echo "*"; ?><?=$textse;?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nrules;?>)" id="frd<?=$nrules;?>"><?=$textss;?><?php echo htmlspecialchars(pprint_address($shaperent['source'])); ?>
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<?php if ($shaperent['source']['port']): ?><br>
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Port: <?=htmlspecialchars(pprint_port($shaperent['source']['port'])); ?>
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<?php endif; ?><?=$textse;?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nrules;?>)" id="frd<?=$nrules;?>"><?=$textss;?><?php echo htmlspecialchars(pprint_address($shaperent['destination'])); ?>
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<?php if ($shaperent['destination']['port']): ?><br>
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Port: <?=htmlspecialchars(pprint_port($shaperent['destination']['port'])); ?>
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<?php endif; ?><?=$textse;?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nrules;?>)" id="frd<?=$nrules;?>"><?=$textss;?>
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<?php
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if (isset($shaperent['targetqueue'])) {
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$desc = htmlspecialchars($shaperent['targetqueue']);
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echo "<a href=\"firewall_shaper_queues_edit.php?id={$shaperent['targetqueue']}\">{$desc}</a>";
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}
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?><?=$textse;?>
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</td>
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<td class="listbg"><font color="white">
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<?=$textss;?><?=htmlspecialchars($shaperent['descr']);?><?=$textse;?>
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</td>
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<td valign="middle" nowrap class="list"> <a href="firewall_shaper_edit.php?id=<?=$i;?>"><img src="e.gif" title="edit rule" width="17" height="17" border="0"></a>
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<?php if ($i > 0): ?>
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<a href="firewall_shaper.php?act=up&id=<?=$i;?>"><img src="up.gif" title="move up" width="17" height="17" border="0"></a>
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<?php else: ?>
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<img src="up_d.gif" width="17" height="17" border="0">
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<?php endif; ?>
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<input name="move_<?=$i;?>" type="image" src="left.gif" width="17" height="17" title="move selected rules before this rule" onMouseOver="fr_insline(<?=$nrules;?>, true)" onMouseOut="fr_insline(<?=$nrules;?>, false)"><br>
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<a href="firewall_shaper.php?act=del&id=<?=$i;?>" onclick="return confirm('Do you really want to delete this rule?')"><img src="x.gif" title="delete rule" width="17" height="17" border="0"></a>
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<?php if (isset($a_shaper[$i+1])): ?>
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<a href="firewall_shaper.php?act=down&id=<?=$i;?>"><img src="down.gif" title="move down" width="17" height="17" border="0"></a>
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<?php else: ?>
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<img src="down_d.gif" width="17" height="17" border="0">
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<?php endif; ?>
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<a href="firewall_shaper_edit.php?dup=<?=$i;?>"><img src="plus.gif" title="add a new rule based on this one" width="17" height="17" border="0"></a>
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</td>
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</tr>
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<?php $nrules++; $i++; endforeach; ?>
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<tr>
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<td class="list" colspan="8"></td>
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<td class="list"> <a href="firewall_shaper_edit.php"><img src="plus.gif" width="17" height="17" border="0"></a></td>
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</tr>
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</table>
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<table border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td width="16"><img src="in.gif" width="11" height="11"></td>
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<td>incoming (as seen by firewall)</td>
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<td width="14"></td>
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<td width="16"><img src="out.gif" width="11" height="11"></td>
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<td>outgoing (as seen by firewall)</td>
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</tr>
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<tr>
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<td colspan="5" height="4"></td>
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</tr>
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<tr>
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<td><img src="in_d.gif" width="11" height="11"></td>
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<td>incoming (disabled)</td>
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<td width="14"></td>
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<td><img src="out_d.gif" width="11" height="11"></td>
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<td>outgoing (disabled)</td>
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</tr>
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</table>
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<p><span class="red"><strong>Note:</strong></span><strong><br>
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</strong>the first rule that matches a packet will be executed.<br>
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The following match patterns are not shown in the list above:
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IP packet length, TCP flags.</td>
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</tr>
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</table>
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</form>
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<?php include("fend.inc"); ?>
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</body>
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</html>
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