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#!/usr/local/bin/php
<?php
/* $Id$ */
/*
firewall_rules.php
part of m0n0wall (http://m0n0.ch/wall)
Copyright (C) 2003-2005 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.
*/
$pgtitle = array("Firewall", "Rules");
require("guiconfig.inc");
if (!is_array($config['filter']['rule'])) {
$config['filter']['rule'] = array();
}
filter_rules_sort();
$a_filter = &$config['filter']['rule'];
$if = $_GET['if'];
if ($_POST['if'])
$if = $_POST['if'];
$iflist = array("lan" => "LAN", "wan" => "WAN");
if ($config['pptpd']['mode'] == "server")
$iflist['pptp'] = "PPTP VPN";
for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {
$iflist['opt' . $i] = $config['interfaces']['opt' . $i]['descr'];
}
if (!$if || !isset($iflist[$if]))
$if = "wan";
if ($_POST) {
$pconfig = $_POST;
if ($_POST['apply']) {
$retval = 0;
if (!file_exists($d_sysrebootreqd_path)) {
config_lock();
$retval = filter_configure();
config_unlock();
}
$savemsg = get_std_save_message($retval);
if ($retval == 0) {
if (file_exists($d_natconfdirty_path))
unlink($d_natconfdirty_path);
if (file_exists($d_filterconfdirty_path))
unlink($d_filterconfdirty_path);
}
}
}
if (isset($_POST['del_x'])) {
/* delete selected rules */
if (is_array($_POST['rule']) && count($_POST['rule'])) {
foreach ($_POST['rule'] as $rulei) {
unset($a_filter[$rulei]);
}
write_config();
touch($d_filterconfdirty_path);
header("Location: firewall_rules.php?if={$if}");
exit;
}
} else if ($_GET['act'] == "toggle") {
if ($a_filter[$_GET['id']]) {
if(isset($a_filter[$_GET['id']]['disabled']))
unset($a_filter[$_GET['id']]['disabled']);
else
$a_filter[$_GET['id']]['disabled'] = true;
write_config();
touch($d_filterconfdirty_path);
header("Location: firewall_rules.php?if={$if}");
exit;
}
} else {
/* yuck - IE won't send value attributes for image buttons, while Mozilla does -
so we use .x/.y to fine move button clicks instead... */
unset($movebtn);
foreach ($_POST as $pn => $pd) {
if (preg_match("/move_(\d+)_x/", $pn, $matches)) {
$movebtn = $matches[1];
break;
}
}
/* move selected rules before this rule */
if (isset($movebtn) && is_array($_POST['rule']) && count($_POST['rule'])) {
$a_filter_new = array();
/* copy all rules < $movebtn and not selected */
for ($i = 0; $i < $movebtn; $i++) {
if (!in_array($i, $_POST['rule']))
$a_filter_new[] = $a_filter[$i];
}
/* copy all selected rules */
for ($i = 0; $i < count($a_filter); $i++) {
if ($i == $movebtn)
continue;
if (in_array($i, $_POST['rule']))
$a_filter_new[] = $a_filter[$i];
}
/* copy $movebtn rule */
if ($movebtn < count($a_filter))
$a_filter_new[] = $a_filter[$movebtn];
/* copy all rules > $movebtn and not selected */
for ($i = $movebtn+1; $i < count($a_filter); $i++) {
if (!in_array($i, $_POST['rule']))
$a_filter_new[] = $a_filter[$i];
}
$a_filter = $a_filter_new;
write_config();
touch($d_filterconfdirty_path);
header("Location: firewall_rules.php?if={$if}");
exit;
}
}
$pgtitle = "Firewall: Rules";
include("head.inc");
?>
<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
<?php include("fbegin.inc"); ?>
<p class="pgtitle"><?=$pgtitle?></p>
<form action="firewall_rules.php" method="post">
<script type="text/javascript" language="javascript" src="row_toggle.js">
</script>
<?php if ($savemsg) print_info_box($savemsg); ?>
<?php if (file_exists($d_filterconfdirty_path)): ?><p>
<?php print_info_box_np("The firewall rule configuration has been changed.<br>You must apply the changes in order for them to take effect.");?><br>
<?php endif; ?>
<table width="100%" border="0" cellpadding="0" cellspacing="0">
<tr><td class="tabnavtbl">
<?php
/* active tabs */
$tab_array = array();
$tabscounter = 0; $i = 0; foreach ($iflist as $ifent => $ifname) {
if ($ifent == $if)
$active = true;
else
$active = false;
$tab_array[] = array($ifname, $active, "firewall_rules.php?if={$ifent}");
}
display_top_tabs($tab_array);
?>
</td></tr>
<tr>
<td>
<div id="mainarea">
<table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0">
<tr id="frheader">
<td width="3%" class="list"> </td>
<td width="5%" class="list"> </td>
<td width="10%" class="listhdrr">Proto</td>
<td width="15%" class="listhdrr">Source</td>
<td width="10%" class="listhdrr">Port</td>
<td width="15%" class="listhdrr">Destination</td>
<td width="10%" class="listhdrr">Port</td>
<td width="22%" class="listhdr">Description</td>
<td width="10%" class="list"></td>
</tr>
<?php $nrules = 0; for ($i = 0; isset($a_filter[$i]); $i++):
$filterent = $a_filter[$i];
if ($filterent['interface'] != $if)
continue;
?>
<tr valign="top" id="fr<?=$nrules;?>">
<td class="listt"><input type="checkbox" id="frc<?=$nrules;?>" name="rule[]" value="<?=$i;?>" onClick="fr_bgcolor('<?=$nrules;?>')" style="margin: 0; padding: 0; width: 15px; height: 15px;"></td>
<td class="listt" align="center">
<?php if ($filterent['type'] == "block")
$iconfn = "block";
else if ($filterent['type'] == "reject") {
if ($filterent['protocol'] == "tcp" || $filterent['protocol'] == "udp")
$iconfn = "reject";
else
$iconfn = "block";
} else
$iconfn = "pass";
if (isset($filterent['disabled'])) {
$textss = "<span class=\"gray\">";
$textse = "</span>";
$iconfn .= "_d";
} else {
$textss = $textse = "";
}
?>
<a href="?if=<?=$if;?>&act=toggle&id=<?=$i;?>"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_<?=$iconfn;?>.gif" width="11" height="11" border="0" title="click to toggle enabled/disabled status"></a>
<?php if (isset($filterent['log'])):
$iconfn = "log_s";
if (isset($filterent['disabled']))
$iconfn .= "_d";
?>
<br><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_<?=$iconfn;?>.gif" width="11" height="15" border="0">
<?php endif; ?>
</td>
<td class="listlr" onClick="fr_toggle(<?=$nrules;?>)" id="frd<?=$nrules;?>" ondblclick="document.location='firewall_rules_edit.php?id=<?=$i;?>';">
<?=$textss;?><?php if (isset($filterent['protocol'])) echo strtoupper($filterent['protocol']); else echo "*"; ?><?=$textse;?>
</td>
<td class="listr" onClick="fr_toggle(<?=$nrules;?>)" id="frd<?=$nrules;?>" ondblclick="document.location='firewall_rules_edit.php?id=<?=$i;?>';">
<?=$textss;?><?php echo htmlspecialchars(pprint_address($filterent['source'])); ?><?=$textse;?>
</td>
<td class="listr" onClick="fr_toggle(<?=$nrules;?>)" id="frd<?=$nrules;?>" ondblclick="document.location='firewall_rules_edit.php?id=<?=$i;?>';">
<?=$textss;?><?php echo htmlspecialchars(pprint_port($filterent['source']['port'])); ?><?=$textse;?>
</td>
<td class="listr" onClick="fr_toggle(<?=$nrules;?>)" id="frd<?=$nrules;?>" ondblclick="document.location='firewall_rules_edit.php?id=<?=$i;?>';">
<?=$textss;?><?php echo htmlspecialchars(pprint_address($filterent['destination'])); ?><?=$textse;?>
</td>
<td class="listr" onClick="fr_toggle(<?=$nrules;?>)" id="frd<?=$nrules;?>" ondblclick="document.location='firewall_rules_edit.php?id=<?=$i;?>';">
<?=$textss;?><?php echo htmlspecialchars(pprint_port($filterent['destination']['port'])); ?><?=$textse;?>
</td>
<td class="listbg" onClick="fr_toggle(<?=$nrules;?>)" ondblclick="document.location='firewall_rules_edit.php?id=<?=$i;?>';" bcolor="#990000"><font color="white">
<?=$textss;?><?=htmlspecialchars($filterent['descr']);?> <?=$textse;?>
</td>
<td valign="middle" nowrap class="list">
<table border="0" cellspacing="0" cellpadding="1">
<tr>
<td><input name="move_<?=$i;?>" type="image" src="./themes/<?= $g['theme']; ?>/images/icons/icon_left.gif" width="17" height="17" title="move selected rules before this rule" onMouseOver="fr_insline(<?=$nrules;?>, true)" onMouseOut="fr_insline(<?=$nrules;?>, false)"></td>
<td><a href="firewall_rules_edit.php?id=<?=$i;?>"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_e.gif" title="edit rule" width="17" height="17" border="0"></a></td>
</tr>
<tr>
<td align="center" valign="middle"></td>
<td><a href="firewall_rules_edit.php?dup=<?=$i;?>"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" title="add a new rule based on this one" width="17" height="17" border="0"></a></td>
</tr>
</table>
</td>
</tr>
<?php $nrules++; endfor; ?>
<?php if ($nrules == 0): ?>
<td class="listt"></td>
<td class="listt"></td>
<td class="listlr" colspan="6" align="center" valign="middle">
<span class="gray">
No rules are currently defined for this interface.<br>
All incoming connections on this interface will be blocked until you add pass rules.<br><br>
Click the <a href="firewall_rules_edit.php?if=<?=$if;?>"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" title="add new rule" border="0" width="17" height="17" align="absmiddle"></a> button to add a new rule.</span>
</td>
<?php endif; ?>
<tr id="fr<?=$nrules;?>">
<td class="list"></td>
<td class="list"></td>
<td class="list"> </td>
<td class="list"> </td>
<td class="list"> </td>
<td class="list"> </td>
<td class="list"> </td>
<td class="list"> </td>
<td class="list">
<table border="0" cellspacing="0" cellpadding="1">
<tr>
<td>
<?php if ($nrules == 0): ?><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_left_d.gif" width="17" height="17" title="move selected rules to end" border="0"><?php else: ?><input name="move_<?=$i;?>" type="image" src="./themes/<?= $g['theme']; ?>/images/icons/icon_left.gif" width="17" height="17" title="move selected rules to end" onMouseOver="fr_insline(<?=$nrules;?>, true)" onMouseOut="fr_insline(<?=$nrules;?>, false)"><?php endif; ?></td>
<td></td>
</tr>
<tr>
<td><?php if ($nrules == 0): ?><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_x_d.gif" width="17" height="17" title="delete selected rules" border="0"><?php else: ?><input name="del" type="image" src="./themes/<?= $g['theme']; ?>/images/icons/icon_x.gif" width="17" height="17" title="delete selected rules" onclick="return confirm('Do you really want to delete the selected rules?')"><?php endif; ?></td>
<td><a href="firewall_rules_edit.php?if=<?=$if;?>"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" title="add new rule" width="17" height="17" border="0"></a></td>
</tr>
</table>
</td>
</tr>
</table>
<table class="tabcont" width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="16"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_pass.gif" width="11" height="11"></td>
<td>pass</td>
<td width="14"></td>
<td width="16"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_block.gif" width="11" height="11"></td>
<td>block</td>
<td width="14"></td>
<td width="16"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_reject.gif" width="11" height="11"></td>
<td>reject</td>
<td width="14"></td>
<td width="16"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_log.gif" width="11" height="11"></td>
<td>log</td>
</tr>
<tr>
<td><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_pass_d.gif" width="11" height="11"></td>
<td nowrap>pass (disabled)</td>
<td> </td>
<td><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_block_d.gif" width="11" height="11"></td>
<td nowrap>block (disabled)</td>
<td> </td>
<td><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_reject_d.gif" width="11" height="11"></td>
<td nowrap>reject (disabled)</td>
<td> </td>
<td width="16"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_log_d.gif" width="11" height="11"></td>
<td nowrap>log (disabled)</td>
</tr>
<tr>
<td colspan="9">
<p>
<strong><span class="red">Hint:<br>
</span></strong>Rules are evaluated on a first-match basis (i.e.
the action of the first rule to match a packet will be executed).
This means that if you use block rules, you'll have to pay attention
to the rule order. Everything that isn't explicitly passed is blocked
by default.</p>
</td>
</tr>
</table>
</div>
</td>
</tr>
</table>
<input type="hidden" name="if" value="<?=$if;?>">
</form>
<?php include("fend.inc"); ?>
</body>
</html>
|
