# This file is part of Fail2Ban.
#
# Fail2Ban is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# Fail2Ban 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 Fail2Ban; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

# Author: Cyril Jaquier
# 
# $Revision$

__author__ = "Cyril Jaquier"
__version__ = "$Revision$"
__date__ = "$Date$"
__copyright__ = "Copyright (c) 2004 Cyril Jaquier"
__license__ = "GPL"

from firewall import Firewall

class Iptables(Firewall):
	""" This class contains specific methods and variables for the
		iptables firewall. Must implements the 'abstracts' methods
		banIP(ip) and unBanIP(ip).
		
		Must adds abstract methods definition:
		http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/266468
	"""
	
	def banIP(self, ip):
		""" Returns query to ban IP.
		"""
		query = "iptables -I INPUT 1 -i "+self.interface+" -s "+ip+" -j DROP"
		return query
	
	def unBanIP(self, ip):
		""" Returns query to unban IP.
		"""
		query = "iptables -D INPUT -i "+self.interface+" -s "+ip+" -j DROP"
		return query