.
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.
*/
/* TODO: redo check if snort is up */
require_once("guiconfig.inc");
require_once("/usr/local/pkg/snort/snort_gui.inc");
require_once("/usr/local/pkg/snort/snort.inc");
global $g;
$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 (isset($config['installedpackages']['snortglobal']['rule'])) {
$id_gen = count($config['installedpackages']['snortglobal']['rule']);
}else{
$id_gen = '0';
}
/* alert file */
$d_snortconfdirty_path_ls = exec('/bin/ls /var/run/snort_conf_*.dirty');
/* this will exec when alert says apply */
if ($_POST['apply']) {
if ($d_snortconfdirty_path_ls != '') {
write_config();
sync_snort_package_empty();
sync_snort_package();
exec('/bin/rm /var/run/snort_conf_*.dirty');
header( 'Expires: Sat, 26 Jul 1997 05:00:00 GMT' );
header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
header( 'Cache-Control: no-store, no-cache, must-revalidate' );
header( 'Cache-Control: post-check=0, pre-check=0', false );
header( 'Pragma: no-cache' );
sleep(2);
header("Location: /snort/snort_interfaces.php");
exit;
}
}
if (isset($_POST['del_x'])) {
/* delete selected rules */
if (is_array($_POST['rule']) && count($_POST['rule'])) {
foreach ($_POST['rule'] as $rulei) {
/* convert fake interfaces to real */
$if_real = convert_friendly_interface_to_real_interface_name2($a_nat[$rulei]['interface']);
$snort_uuid = $a_nat[$rulei]['uuid'];
/* cool code to check if any snort is up */
$snort_up_ck = exec("/bin/ps -auwx | /usr/bin/grep -v grep | /usr/bin/grep snort | /usr/bin/awk '{print \$2;}' | sed 1q");
if ($snort_up_ck != "")
{
$start_up_pre = exec("/usr/bin/top -a -U snort -u | grep -v grep | grep \"R {$snort_uuid}{$if_real}\" | awk '{print \$1;}'");
$start_up_s = exec("/usr/bin/top -U snort -u | grep snort | grep {$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; }'");
$start2_upb_pre = exec("/bin/cat /var/run/barnyard2_{$snort_uuid}_{$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 {$start_up_s}");
exec("/bin/rm /var/run/snort_{$snort_uuid}_{$if_real}*");
}
if ($start2_upb_s != "")
{
exec("/bin/kill {$start2_upb_s}");
exec("/bin/rm /var/run/barnyard2_{$snort_uuid}_{$if_real}*");
}
if ($start_up_r != "")
{
exec("/bin/kill {$start_up_r}");
exec("/bin/rm /var/run/snort_{$snort_uuid}_{$if_real}*");
}
if ($start2_upb_r != "")
{
exec("/bin/kill {$start2_upb_r}");
exec("/bin/rm /var/run/barnyard2_{$snort_uuid}_{$if_real}*");
}
/* stop syslog flood code */
//$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}...'");
}
}
/* for every iface do these steps */
conf_mount_rw();
exec("/bin/rm /var/log/snort/snort.u2_{$snort_uuid}_{$if_real}*");
exec("/bin/rm -r /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}");
conf_mount_ro();
unset($a_nat[$rulei]);
}
write_config();
sleep(2);
/* if there are no ifaces do not create snort.sh */
if (isset($config['installedpackages']['snortglobal']['rule'][0]['enable'])) {
create_snort_sh();
}else{
conf_mount_rw();
exec('/bin/rm /usr/local/etc/rc.d/snort.sh');
conf_mount_ro();
}
//touch("/var/run/snort_conf_delete.dirty");
header( 'Expires: Sat, 26 Jul 1997 05:00:00 GMT' );
header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
header( 'Cache-Control: no-store, no-cache, must-revalidate' );
header( 'Cache-Control: post-check=0, pre-check=0', false );
header( 'Pragma: no-cache' );
sleep(2);
header("Location: /snort/snort_interfaces.php");
//exit;
}
}
/* start/stop snort */
if ($_GET['act'] == 'toggle' && $_GET['id'] != '')
{
$if_real = convert_friendly_interface_to_real_interface_name2($config['installedpackages']['snortglobal']['rule'][$id]['interface']);
$snort_uuid = $config['installedpackages']['snortglobal']['rule'][$id]['uuid'];
/* Log Iface stop */
exec("/usr/bin/logger -p daemon.info -i -t SnortStartup 'Toggle for {$snort_uuid}_{$if_real}...'");
$tester2 = Running_Ck($snort_uuid, $if_real, $id);
if ($tester2 == 'yes') {
/* Log Iface stop */
exec("/usr/bin/logger -p daemon.info -i -t SnortStartup '{$tester2} yn for {$snort_uuid}_{$if_real}...'");
Running_Stop($snort_uuid, $if_real, $id);
header( 'Expires: Sat, 26 Jul 1997 05:00:00 GMT' );
header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
header( 'Cache-Control: no-store, no-cache, must-revalidate' );
header( 'Cache-Control: post-check=0, pre-check=0', false );
header( 'Pragma: no-cache' );
sleep(2);
header("Location: /snort/snort_interfaces.php");
}else{
sync_snort_package_all($id, $if_real, $snort_uuid);
sync_snort_package();
Running_Start($snort_uuid, $if_real, $id);
header( 'Expires: Sat, 26 Jul 1997 05:00:00 GMT' );
header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
header( 'Cache-Control: no-store, no-cache, must-revalidate' );
header( 'Cache-Control: post-check=0, pre-check=0', false );
header( 'Pragma: no-cache' );
sleep(2);
header("Location: /snort/snort_interfaces.php");
}
}
$pgtitle = "Services: $snort_package_version";
include_once("/usr/local/pkg/snort/snort_head.inc");
?>
' . $pgtitle . '';}?>
