blob: 8f529c23db53ae3765e78dd7e1434c8aa647b8e0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
#!/usr/bin/perl #
# Module:ConntrackUtil.pm
#
# **** License ****
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# This code was originally developed by Vyatta, Inc.
# Portions created by Vyatta are Copyright (C) 2010 Vyatta, Inc.
# All Rights Reserved.
#
# Author: Gaurav Sinha
# Date: Dec 2011
# Description: Utility scripts for Vyatta conntrack
#
#
# **** End License ****
#
package Vyatta::Conntrack::ConntrackUtil;
use base qw(Exporter);
our @EXPORT = qw(check_for_conntrack_hooks);
#function to find if connection tracking is enabled.
#looks in the iptables to see if any of the features introduced
#its chain in the hooks.
#
#returns one if any hook is present
sub check_for_conntrack_hooks {
my @output = `sudo iptables -L -t raw`;
foreach(@output) {
if (($_ =~ m/WEBPROXY_CONNTRACK/)) {
return 1;
}
if (($_ =~ m/NAT_CONNTRACK/)) {
return 1;
}
if (($_ =~ m/FW_CONNTRACK/)) {
return 1;
}
}
}
1;
# end of file
|
