.
Copyright (C) 2008-2009 Robert Zelaya.
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");
include_once("/usr/local/pkg/snort/snort.inc");
if (!is_array($config['installedpackages']['snortglobal']['rule'])) {
$config['installedpackages']['snortglobal']['rule'] = array();
}
//nat_rules_sort();
$a_nat = &$config['installedpackages']['snortglobal']['rule'];
$id = $_GET['id'];
if (isset($_POST['id']))
$id = $_POST['id'];
if (isset($_GET['dup'])) {
$id = $_GET['dup'];
$after = $_GET['dup'];
}
if (isset($id) && $a_nat[$id]) {
$pconfig['enable'] = $a_nat[$id]['enable'];
$pconfig['interface'] = $a_nat[$id]['interface'];
$pconfig['descr'] = $a_nat[$id]['descr'];
$pconfig['performance'] = $a_nat[$id]['performance'];
$pconfig['blockoffenders7'] = $a_nat[$id]['blockoffenders7'];
$pconfig['snortalertlogtype'] = $a_nat[$id]['snortalertlogtype'];
$pconfig['alertsystemlog'] = $a_nat[$id]['alertsystemlog'];
$pconfig['tcpdumplog'] = $a_nat[$id]['tcpdumplog'];
$pconfig['snortunifiedlog'] = $a_nat[$id]['snortunifiedlog'];
$pconfig['flow_depth'] = $a_nat[$id]['flow_depth'];
$pconfig['barnyard_enable'] = $a_nat[$id]['barnyard_enable'];
$pconfig['barnyard_mysql'] = $a_nat[$id]['barnyard_mysql'];
if (!$pconfig['interface'])
$pconfig['interface'] = "wan";
} else {
$pconfig['interface'] = "wan";
}
if (isset($_GET['dup']))
unset($id);
/* convert fake interfaces to real */
$if_real = convert_friendly_interface_to_real_interface_name($pconfig['interface']);
if ($_POST["Submit"]) {
/* input validation */
// if(strtoupper($_POST['proto']) == "TCP" or strtoupper($_POST['proto']) == "UDP" or strtoupper($_POST['proto']) == "TCP/UDP") {
// $reqdfields = explode(" ", "interface proto beginport endport localip localbeginport");
// $reqdfieldsn = explode(",", "Interface,Protocol,External port from,External port to,NAT IP,Local port");
// } else {
// $reqdfields = explode(" ", "interface proto localip");
// $reqdfieldsn = explode(",", "Interface,Protocol,NAT IP");
// }
// do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
// if (($_POST['localip'] && !is_ipaddroralias($_POST['localip']))) {
// $input_errors[] = "\"{$_POST['localip']}\" is not valid NAT IP address or host alias.";
// }
/* only validate the ports if the protocol is TCP, UDP or TCP/UDP */
// if(strtoupper($_POST['proto']) == "TCP" or strtoupper($_POST['proto']) == "UDP" or strtoupper($_POST['proto']) == "TCP/UDP") {
// if (($_POST['beginport'] && !is_ipaddroralias($_POST['beginport']) && !is_port($_POST['beginport']))) {
// $input_errors[] = "The start port must be an integer between 1 and 65535.";
// }
// if (($_POST['endport'] && !is_ipaddroralias($_POST['endport']) && !is_port($_POST['endport']))) {
// $input_errors[] = "The end port must be an integer between 1 and 65535.";
// }
// if (($_POST['localbeginport'] && !is_ipaddroralias($_POST['localbeginport']) && !is_port($_POST['localbeginport']))) {
// $input_errors[] = "The local port must be an integer between 1 and 65535.";
// }
// if ($_POST['beginport'] > $_POST['endport']) {
/* swap */
// $tmp = $_POST['endport'];
// $_POST['endport'] = $_POST['beginport'];
// $_POST['beginport'] = $tmp;
// }
// if (!$input_errors) {
// if (($_POST['endport'] - $_POST['beginport'] + $_POST['localbeginport']) > 65535)
// $input_errors[] = "The target port range must be an integer between 1 and 65535.";
// }
if ($_POST['interface'] == $pconfig['interface']) {
$input_errors[] = "The {$pconfig['interface']} interface is in use. Please select another interface.";
}
if ($pconfig['descr'] == "") {
$input_errors[] = "Please enter a description for your reference.";
}
/* check for overlaps */
foreach ($a_nat as $natent) {
if (isset($id) && ($a_nat[$id]) && ($a_nat[$id] === $natent))
continue;
if ($natent['interface'] != $_POST['interface'])
continue;
}
/* if no errors write to conf */
if (!$input_errors) {
$natent = array();
/* write to conf for 1st time or rewrite the answer */
$natent['interface'] = $_POST['interface'] ? $_POST['interface'] : $pconfig['interface'];
/* if post write to conf or rewite the answer */
$natent['enable'] = $_POST['enable'] ? on : off;
$natent['descr'] = $_POST['descr'] ? $_POST['descr'] : $pconfig['descr'];
$natent['performance'] = $_POST['performance'] ? $_POST['performance'] : $pconfig['performance'];
/* if post = on use on off or rewrite the conf */
if ($_POST['blockoffenders7'] == "on") { $natent['blockoffenders7'] = on; }else{ $natent['blockoffenders7'] = off; } if ($_POST['enable'] == "") { $natent['blockoffenders7'] = $pconfig['blockoffenders7']; }
$natent['snortalertlogtype'] = $_POST['snortalertlogtype'] ? $_POST['snortalertlogtype'] : $pconfig['snortalertlogtype'];
if ($_POST['alertsystemlog'] == "on") { $natent['alertsystemlog'] = on; }else{ $natent['alertsystemlog'] = off; } if ($_POST['enable'] == "") { $natent['alertsystemlog'] = $pconfig['alertsystemlog']; }
if ($_POST['tcpdumplog'] == "on") { $natent['tcpdumplog'] = on; }else{ $natent['tcpdumplog'] = off; } if ($_POST['enable'] == "") { $natent['tcpdumplog'] = $pconfig['tcpdumplog']; }
if ($_POST['snortunifiedlog'] == "on") { $natent['snortunifiedlog'] = on; }else{ $natent['snortunifiedlog'] = off; } if ($_POST['enable'] == "") { $natent['snortunifiedlog'] = $pconfig['snortunifiedlog']; }
/* if optiion = 0 then the old descr way will not work */
if ($_POST['flow_depth'] != "") { $natent['flow_depth'] = $_POST['flow_depth']; }else{ $natent['flow_depth'] = $pconfig['flow_depth']; }
/* rewrite the options that are not in post */
$natent['barnyard_enable'] = $pconfig['barnyard_enable'];
$natent['barnyard_mysql'] = $pconfig['barnyard_mysql'];
if (isset($id) && $a_nat[$id])
$a_nat[$id] = $natent;
else {
if (is_numeric($after))
array_splice($a_nat, $after+1, 0, array($natent));
else
$a_nat[] = $natent;
}
write_config();
// stop_service("snort");
//create_snort_conf();
//create_barnyard2_conf();
if ($pconfig['interface'] != "") {
sync_package_snort();
}
if ($pconfig['interface'] != "") {
header("Location: /snort/snort_interfaces_edit.php?id=$id");
}else{
touch($d_natconfdirty_path);
header("Location: /snort/snort_interfaces.php");
}
exit;
}
}
if ($_POST["Submit2"]) {
sync_package_snort();
sleep(1);
exec("/bin/sh /usr/local/etc/rc.d/snort_{$id}{$if_real}.sh restart");
header("Location: /snort/snort_interfaces_edit.php?id=$id");
exit;
}
$pgtitle = "Snort: Interface: $id$if_real Settings Edit";
include("head.inc");
?>
