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/usr/share/perl5/EBox/FirewallLogHelper.pm is in zentyal-firewall 2.3.9+quantal1.

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# Copyright (C) 2008-2012 eBox Technologies S.L.
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

package EBox::FirewallLogHelper;

use base 'EBox::LogHelper';

use strict;
use warnings;

use EBox;
use EBox::Config;
use EBox::Gettext;

use constant FIREWALL_LOGFILE => '/var/log/syslog';

sub new
{
        my $class = shift;
        my $self = {};
        bless($self, $class);
        return $self;
}

# Method: logFiles
#
#	This function must return the file or files to be read from.
#
# Returns:
#
#	array ref - containing the whole paths
#
sub logFiles
{
	return [FIREWALL_LOGFILE];
}

# Method: processLine
#
#	This fucntion will be run every time a new line is recieved in
#	the associated file. You must parse the line, and generate
#	the messages which will be logged to ebox through an object
#	implementing EBox::AbstractLogger interface.
#
# Parameters:
#
#	file - file name
#	line - string containing the log line
#	dbengine- An instance of class implemeting AbstractDBEngineinterface
#
sub processLine # (file, line, logger)
{
	my ($self, $file, $line, $dbengine) = @_;

	unless ($line =~ /^(\w+\s+\d+ \d\d:\d\d:\d\d) .*: \[.*\] ebox-firewall (\w+) (.+)/) {
	    return;
	}
	my $date = $1 . ' ' . (${[localtime(time)]}[5] + 1900);
	my $type = $2;
	my $rule = $3;

	my @pairs = grep (/=./, split(' ', $rule));
	my %fields = map { split('='); } @pairs;

	my %dataToInsert;
	my $timestamp = $self->_convertTimestamp('%b %e %H:%M:%S %Y', $date);
	$dataToInsert{timestamp} = $timestamp;
	$dataToInsert{event} = $type;

	my @fieldNames = qw(in out src dst proto spt dpt);
	for my $name (@fieldNames) {
		my $uName = uc ($name);
		if (exists $fields{$uName}) {
			$dataToInsert{'fw_' . $name} = $fields{$uName};
		} else {
			$dataToInsert{'fw_' . $name} = undef;
		}
	}

	$dbengine->insert('firewall', \%dataToInsert);
}

1;