#!/usr/bin/python

 import ConfigParser

 import sys

 import logging

 import os

 import errno

 import time

 import pyclamav

 class ClamAVScanner:

     # User the existing logger  instance

     __LOG = logging.getLogger("IkarusScanner")

     __MINOPTS = { "Main" : ["Nothing"]}

     __CONFIG_NOT_READABLE = "Configfile is not readable"

     __CONFIG_WRONG = "Something is wrong with the config"

     __CONFIG_MISSING = "Section: \"%s\" Option: \"%s\" in configfile is missing"

     def __init__ (self, scanner_config_path):

         config = self.loadConfig (scanner_config_path)

     def checkMinimumOptions (self, config):

         for section, options in self.__MINOPTS.iteritems ():

             for option in options:

                 if (config.has_option(section, option) == False):

                     self.__LOG.error (self.__CONFIG_MISSING % (section, option))

                     exit (129)

     def loadConfig (self, scanner_config_path):

         configfile = scanner_config_path

         config = ConfigParser.SafeConfigParser ()

         if ((os.path.exists (scanner_config_path) == False) or (os.path.isfile (scanner_config_path) == False) or (os.access (scanner_config_path, os.R_OK) == False)):

             self.__LOG.error(self.__CONFIG_NOT_READABLE);

             raise SystemError(self.__CONFIG_NOT_READABLE)

         try:

             config.read (scanner_config_path)

         except Exception, e:

             self.__LOG.error("Error: %s" % (e));

             raise SystemError("Error: %s" % (e))

         self.checkMinimumOptions (config)

         return config

     def scanFile (self, path, fileobject):

         return self.scanFileClamAV (path)

     def scanFileClamAV (self, path):        

         retval = { "infected" : False, "virusname" : "Unknown" }

         self.__LOG.debug ("Scan File: %s" % (path))

         result = pyclamav.scanfile (path)

         self.__LOG.debug ("Result of file \"%s\": %s" % (path, result))

         if (result[0] != 0):

             retval["infected"] = True

             retval["virusname"] = result[1]

         if (retval["infected"] == True):

             self.__LOG.error ("Virus found, deny Access %s" % (result,))

         return retval