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configreader.py

# 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: 1.6 $

__author__ = "Cyril Jaquier"
__version__ = "$Revision: 1.6 $"
__date__ = "$Date: 2005/11/20 17:07:47 $"
__copyright__ = "Copyright (c) 2004 Cyril Jaquier"
__license__ = "GPL"

import logging

from ConfigParser import *

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

00034 class ConfigReader:
      """ This class allow the handling of the configuration options.
            The DEFAULT section contains the global information about
            Fail2Ban. Each other section is for a different log file.
      """

      def __init__(self, confPath):
            self.confPath = confPath
            self.configParser = SafeConfigParser()
            
00044       def openConf(self):
            """ Opens the configuration file.
            """
            self.configParser.read(self.confPath)
      
00049       def getSections(self):
            """ Returns all the sections present in the configuration
                  file except the DEFAULT and MAIL sections.
            """
            sections = self.configParser.sections()
            sections.remove("MAIL")
            logSys.debug("Found sections: " + `sections`)
            return sections
      
      # Each optionValues entry is composed of an array with:
      # 0 -> the type of the option
      # 1 -> the name of the option
      # 2 -> the default value for the option
00062       def getLogOptions(self, sec, options):
            """ Gets all the options of a given section. The options
                  are defined in the optionValues list.
            """
            values = dict()
            for option in options:
                  try:
                        if option[0] == "bool":
                              v = self.configParser.getboolean(sec, option[1])
                        elif option[0] == "int":
                              v = self.configParser.getint(sec, option[1])
                        else:
                              v = self.configParser.get(sec, option[1])
                        
                        values[option[1]] = v
                  except NoOptionError:
                        logSys.warn("No '" + option[1] + "' defined in '" + sec + "'")
                        values[option[1]] = option[2]
                  except ValueError:
                        logSys.warn("Wrong value for '" + option[1] + "' in '" + sec +
                                          "'. Using default one: '" + `option[2]` + "'")
                        values[option[1]] = option[2]
            return values
            

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