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60 lines
1.7 KiB
60 lines
1.7 KiB
# This file is part of Fail2Ban.
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#
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# Fail2Ban is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# Fail2Ban is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Fail2Ban; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# Author: Cyril Jaquier
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#
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# $Revision$
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__author__ = "Cyril Jaquier"
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__version__ = "$Revision$"
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__date__ = "$Date$"
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__copyright__ = "Copyright (c) 2004 Cyril Jaquier"
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__license__ = "GPL"
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import os
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from firewall import Firewall
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class Ipfw(Firewall):
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""" This class contains specific methods and variables for the
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iptables firewall. Must implements the 'abstracts' methods
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banIP(ip) and unBanIP(ip).
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Must adds abstract methods definition:
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http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/266468
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"""
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def banIP(self, ip):
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""" Returns query to ban IP.
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"""
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query = "ipfw -q add deny ip from "+ip+" to any"
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return query
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def unBanIP(self, ip):
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""" Returns query to unban IP.
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"""
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ruleNbr = str(self.__findRuleNumber(ip))
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query = "ipfw -q delete "+ruleNbr
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return query
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def __findRuleNumber(self, ip):
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""" Uses shell commands in order to find the rule
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number we want to delete.
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"""
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output = os.popen("ipfw list|grep \"from "+ip+" to\"|awk '{print $1}'",
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"r");
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return output.read()
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