.
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");
require("/usr/local/pkg/snort/snort_gui.inc");
include_once("/usr/local/pkg/snort/snort.inc");
$id = $_GET['id'];
if (isset($_POST['id']))
$id = $_POST['id'];
if (!is_array($config['installedpackages']['snortglobal']['rule']))
$config['installedpackages']['snortglobal']['rule'] = array();
$a_nat = &$config['installedpackages']['snortglobal']['rule'];
/* if a custom message has been passed along, lets process it */
if ($_GET['savemsg'])
$savemsg = $_GET['savemsg'];
if ($_POST) {
$pconfig = $_POST;
if ($_POST['apply']) {
write_config();
$retval = 0;
if(stristr($retval, "error") <> true)
$savemsg = get_std_save_message($retval);
else
$savemsg = $retval;
unlink_if_exists("/tmp/config.cache");
$retval |= filter_configure();
if ($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) {
/* convert fake interfaces to real */
$if_real = convert_friendly_interface_to_real_interface_name($a_nat[$rulei]['interface']);
$snort_pid = exec("/bin/ps -auwx | grep -v grep | grep \"$if_real -c\" | awk '{print $2;}'");
if ($snort_pid != "")
{
$start_up_pre = exec("/bin/cat /var/run/snort_{$if_real}{$rulei}{$if_real}.pid");
$start_up_s = exec("/usr/bin/top -U snort -u | grep snort | grep {$start_up_pre} | awk '{ print $1; }'");
$start_up_r = exec("/usr/bin/top -U root -u | grep snort | grep {$start_up_pre} | awk '{ print $1; }'");
$start2_upb_pre = exec("/bin/cat /var/run/barnyard2_{$rulei}{$if_real}.pid");
$start2_upb_s = exec("/usr/bin/top -U snort -u | grep barnyard2 | grep {$start2_upb_pre} | awk '{ print $1; }'");
$start2_upb_r = exec("/usr/bin/top -U root -u | grep barnyard2 | grep {$start2_upb_pre} | awk '{ print $1; }'");
if ($start_up_s != "" || $start_up_r != "" || $start2_upb_s != "" || $start2_upb_r != "")
{
/* dont flood the syslog code */
exec("/bin/cp /var/log/system.log /var/log/system.log.bk");
sleep(3);
/* remove only running instances */
if ($start_up_s != "")
{
exec("/bin/kill {$start_up_s}");
exec("/bin/rm /var/run/snort_$if_real$rulei$if_real*");
}
if ($start2_upb_s != "")
{
exec("/bin/kill {$start2_upb_s}");
exec("/bin/rm /var/run/barnyard2_$rulei$if_real*");
}
if ($start_up_r != "")
{
exec("/bin/kill {$start_up_r}");
exec("/bin/rm /var/run/snort_$if_real$rulei$if_real*");
}
if ($start2_upb_r != "")
{
exec("/bin/kill {$start2_upb_r}");
exec("/bin/rm /var/run/barnyard2_$rulei$if_real*");
}
/* stop syslog flood code */
$if_real_wan_rulei = $a_nat[$rulei]['interface'];
$if_real_wan_rulei2 = convert_friendly_interface_to_real_interface_name2($if_real_wan_rulei);
exec("/sbin/ifconfig $if_real_wan_rulei2 -promisc");
exec("/bin/cp /var/log/system.log /var/log/snort/snort_sys_$rulei$if_real.log");
exec("/usr/bin/killall syslogd");
exec("/usr/sbin/clog -i -s 262144 /var/log/system.log");
exec("/usr/sbin/syslogd -c -ss -f /var/etc/syslog.conf");
sleep(2);
exec("/bin/cp /var/log/system.log.bk /var/log/system.log");
$after_mem = exec("/usr/bin/top | /usr/bin/grep Wired | /usr/bin/awk '{ print $2 }'");
exec("/usr/bin/logger -p daemon.info -i -t SnortStartup 'MEM after {$rulei}{$if_real} STOP {$after_mem}'");
exec("/usr/bin/logger -p daemon.info -i -t SnortStartup 'Interface Rule removed for {$rulei}{$if_real}...'");
}
}
unset($a_nat[$rulei]);
}
conf_mount_rw();
exec("/bin/rm -r /usr/local/etc/snort/snort_$rulei$if_real");
exec("/bin/rm /usr/local/etc/rc.d/snort_$rulei$if_real.sh");
exec("/bin/rm /var/log/snort/snort.u2_$rulei$if_real*");
conf_mount_ro();
write_config();
// touch($d_natconfdirty_path);
header("Location: /snort/snort_interfaces.php");
exit;
}
} else {
/* yuck - IE won't send value attributes for image buttons, while Mozilla does - so we use .x/.y to find move button clicks instead... */
unset($movebtn);
foreach ($_POST as $pn => $pd) {
if (preg_match("/move_(\d+)_x/", $pn, $matches)) {
$movebtn = $matches[1];
break;
}
}
/* move selected rules before this rule */
if (isset($movebtn) && is_array($_POST['rule']) && count($_POST['rule'])) {
$a_nat_new = array();
/* copy all rules < $movebtn and not selected */
for ($i = 0; $i < $movebtn; $i++) {
if (!in_array($i, $_POST['rule']))
$a_nat_new[] = $a_nat[$i];
}
/* copy all selected rules */
for ($i = 0; $i < count($a_nat); $i++) {
if ($i == $movebtn)
continue;
if (in_array($i, $_POST['rule']))
$a_nat_new[] = $a_nat[$i];
}
/* copy $movebtn rule */
if ($movebtn < count($a_nat))
$a_nat_new[] = $a_nat[$movebtn];
/* copy all rules > $movebtn and not selected */
for ($i = $movebtn+1; $i < count($a_nat); $i++) {
if (!in_array($i, $_POST['rule']))
$a_nat_new[] = $a_nat[$i];
}
$a_nat = $a_nat_new;
write_config();
touch($d_natconfdirty_path);
header("Location: snort_interfaces.php");
exit;
}
}
/* start/stop snort */
if ($_GET['act'] == "toggle" && $_GET['id'] != "")
{
$if_real2 = convert_friendly_interface_to_real_interface_name($a_nat[$id]['interface']);
$start_up_pre = exec("/bin/cat /var/run/snort_{$if_real2}{$id}{$if_real2}.pid");
$start_up_s = exec("/usr/bin/top -U snort -u | grep snort | grep {$start_up_pre} | awk '{ print $1; }'");
$start_up_r = exec("/usr/bin/top -U root -u | grep snort | grep {$start_up_pre} | awk '{ print $1; }'");
$start2_upb_pre = exec("/bin/cat /var/run/barnyard2_{$id}{$if_real2}.pid");
$start2_upb_s = exec("/usr/bin/top -U snort -u | grep barnyard2 | grep {$start2_upb_pre} | awk '{ print $1; }'");
$start2_upb_r = exec("/usr/bin/top -U root -u | grep barnyard2 | grep {$start2_upb_pre} | awk '{ print $1; }'");
if ($start_up_s != "" || $start_up_r != "" || $start2_upb_s != "" || $start2_upb_r != "")
{
/* stop syslog flood code */
exec("/bin/cp /var/log/system.log /var/log/system.log.bk");
sleep(3);
if ($start_up_s != "")
{
exec("/bin/kill {$start_up_s}");
exec("/bin/rm /var/run/snort_$if_real2$id$if_real2*");
}
if ($start2_upb_s != "")
{
exec("/bin/kill {$start2_upb_s}");
exec("/bin/rm /var/run/barnyard2_$id$if_real2*");
}
if ($start_up_r != "")
{
exec("/bin/kill {$start_up_r}");
exec("/bin/rm /var/run/snort_$if_real2$id$if_real2*");
}
if ($start2_upb_r != "")
{
exec("/bin/kill {$start2_upb_r}");
exec("/bin/rm /var/run/barnyard2_$id$if_real2*");
}
/* stop syslog flood code */
$if_real_wan_id = $a_nat[$id]['interface'];
$if_real_wan_id2 = convert_friendly_interface_to_real_interface_name2($if_real_wan_id);
exec("/sbin/ifconfig $if_real_wan_id2 -promisc");
exec("/bin/cp /var/log/system.log /var/log/snort/snort_sys_$id$if_real2.log");
exec("/usr/bin/killall syslogd");
exec("/usr/sbin/clog -i -s 262144 /var/log/system.log");
exec("/usr/sbin/syslogd -c -ss -f /var/etc/syslog.conf");
sleep(2);
exec("/bin/cp /var/log/system.log.bk /var/log/system.log");
$after_mem2 = exec("/usr/bin/top | /usr/bin/grep Wired | /usr/bin/awk '{ print $2 }'");
exec("/usr/bin/logger -p daemon.info -i -t SnortStartup 'MEM after {$id}{$if_real2} STOP {$after_mem2}'");
exec("/usr/bin/logger -p daemon.info -i -t SnortStartup 'Interface Rule STOP for {$id}{$if_real2}...'");
header("Location: snort_interfaces.php");
}else{
sync_package_snort();
exec("/bin/sh /usr/local/etc/rc.d/snort_{$id}{$if_real2}.sh start");
header("Location: snort_interfaces.php");
}
}
$pgtitle = "Services: Snort 2.8.4.1_7 pkg v. 1.8 RC4";
include("head.inc");
?>
