diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Vyatta/ConntrackUtil.pm | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/lib/Vyatta/ConntrackUtil.pm b/lib/Vyatta/ConntrackUtil.pm new file mode 100644 index 0000000..b290486 --- /dev/null +++ b/lib/Vyatta/ConntrackUtil.pm @@ -0,0 +1,51 @@ +#!/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::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 |