ft@0: #!/usr/bin/python
ft@0: 
ft@0: import ConfigParser
ft@0: 
ft@0: import sys
ft@0: 
ft@0: import logging
ft@0: import os
ft@0: import errno
ft@0: import time
ft@0: 
ft@0: import pyclamav
ft@0: 
ft@0: 
ft@0: class ClamAVScanner:
ft@0:     
ft@0:     # User the existing logger  instance
ft@0:     __LOG = logging.getLogger("IkarusScanner")
ft@0:     
ft@0:     __MINOPTS = { "Main" : ["Nothing"]}
ft@0:     __CONFIG_NOT_READABLE = "Configfile is not readable"
ft@0:     __CONFIG_WRONG = "Something is wrong with the config"
ft@0:     __CONFIG_MISSING = "Section: \"%s\" Option: \"%s\" in configfile is missing"
ft@0:     
ft@0: 
ft@0:     
ft@0:     def __init__ (self, scanner_config_path):
ft@0:         config = self.loadConfig (scanner_config_path)
ft@0: 
ft@0:     
ft@0: 
ft@0:     def checkMinimumOptions (self, config):
ft@0:         for section, options in self.__MINOPTS.iteritems ():
ft@0:             for option in options:
ft@0:                 if (config.has_option(section, option) == False):
ft@0:                     self.__LOG.error (self.__CONFIG_MISSING % (section, option))
ft@0:                     exit (129)
ft@0: 
ft@0:     def loadConfig (self, scanner_config_path):
ft@0: 
ft@0:         configfile = scanner_config_path
ft@0:         config = ConfigParser.SafeConfigParser ()
ft@0:     
ft@0:         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)):
ft@0:             self.__LOG.error(self.__CONFIG_NOT_READABLE);
ft@0:             raise SystemError(self.__CONFIG_NOT_READABLE)
ft@0:     
ft@0:         try:
ft@0:             config.read (scanner_config_path)
ft@0:         except Exception, e:
ft@0:             self.__LOG.error("Error: %s" % (e));
ft@0:             raise SystemError("Error: %s" % (e))
ft@0: 
ft@0:         self.checkMinimumOptions (config)
ft@0:     
ft@0:         return config
ft@0: 
ft@0:     
ft@0:     def scanFile (self, path, fileobject):
ft@0:         return self.scanFileClamAV (path)
ft@0:     
ft@0:     def scanFileClamAV (self, path):        
ft@0:         retval = { "infected" : False, "virusname" : "Unknown" }
ft@0:     
ft@0:         self.__LOG.debug ("Scan File: %s" % (path))
ft@0:     
ft@0:         result = pyclamav.scanfile (path)
ft@0:         self.__LOG.debug ("Result of file \"%s\": %s" % (path, result))
ft@0:         if (result[0] != 0):
ft@0:             retval["infected"] = True
ft@0:             retval["virusname"] = result[1]
ft@0:     
ft@0:         if (retval["infected"] == True):
ft@0:             self.__LOG.error ("Virus found, deny Access %s" % (result,))
ft@0:     
ft@0:         return retval
ft@0: