fail2ban/client/filterreader.py

# emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: t -*-
# vi: set ft=python sts=4 ts=4 sw=4 noet :

# 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

# Author: Cyril Jaquier
#

__author__ = "Cyril Jaquier"
__copyright__ = "Copyright (c) 2004 Cyril Jaquier"
__license__ = "GPL"

import logging
from configreader import ConfigReader

# Gets the instance of the logger.
logSys = logging.getLogger("fail2ban.client.config")

class FilterReader(ConfigReader):

	def __init__(self, fileName, name, **kwargs):
		ConfigReader.__init__(self, **kwargs)
		self.__file = fileName
		self.__name = name

	def setFile(self, fileName):
		self.__file = fileName

	def getFile(self):
		return self.__file

	def setName(self, name):
		self.__name = name

	def getName(self):
		return self.__name

	def read(self):
		return ConfigReader.read(self, "filter.d/" + self.__file)

	def getOptions(self, pOpts):
		opts = [["string", "ignoreregex", ""],
				["string", "failregex", ""],
				["string", "ignorecommand", ""]
				]
		self.__opts = ConfigReader.getOptions(self, "Definition", opts, pOpts)

	def convert(self):
		stream = list()
		for opt in self.__opts:
			if opt == "failregex":
				for regex in self.__opts[opt].split('\n'):
					# Do not send a command if the rule is empty.
					if regex != '':
						stream.append(["set", self.__name, "addfailregex", regex])
			elif opt == "ignoreregex":
				for regex in self.__opts[opt].split('\n'):
					# Do not send a command if the rule is empty.
					if regex != '':
						stream.append(["set", self.__name, "addignoreregex", regex])
		return stream