Example #1
0
    def ParseLine(self, parser_context):
        """Return an event object extracted from the current line.

    Args:
      parser_context: A parser context object (instance of ParserContext).

    Returns:
      An event object (instance of TextEvent).
    """
        if not self.attributes['time']:
            raise errors.TimestampNotCorrectlyFormed(
                u'Unable to parse timestamp, time not set.')

        if not self.attributes['iyear']:
            raise errors.TimestampNotCorrectlyFormed(
                u'Unable to parse timestamp, year not set.')

        times = self.attributes['time'].split(':')
        if self.local_zone:
            timezone = parser_context.timezone
        else:
            timezone = pytz.UTC

        if len(times) < 3:
            raise errors.TimestampNotCorrectlyFormed(
                (u'Unable to parse timestamp, not of the format HH:MM:SS '
                 u'[{0:s}]').format(self.PrintLine()))
        try:
            secs = times[2].split('.')
            if len(secs) == 2:
                sec, us = secs
            else:
                sec = times[2]
                us = 0

            timestamp = timelib.Timestamp.FromTimeParts(
                int(self.attributes['iyear']),
                self.attributes['imonth'],
                self.attributes['iday'],
                int(times[0]),
                int(times[1]),
                int(sec),
                microseconds=int(us),
                timezone=timezone)

        except ValueError as exception:
            raise errors.TimestampNotCorrectlyFormed(
                u'Unable to parse: {0:s} with error: {1:s}'.format(
                    self.PrintLine(), exception))

        return self.CreateEvent(timestamp, getattr(self, 'entry_offset', 0),
                                self.attributes)
Example #2
0
    def ParseLine(self, parser_mediator):
        """Parse a single line from the SELinux audit file.

    This method extends the one from TextParser slightly, creating a
    SELinux event with the timestamp (UTC) taken from log entries.

    Args:
      parser_mediator: A parser mediator object (instance of ParserMediator).
    """
        if not self.timestamp:
            raise errors.TimestampNotCorrectlyFormed(
                u'Unable to parse entry, timestamp not defined.')

        offset = getattr(self, u'entry_offset', 0)
        event_object = SELinuxLineEvent(self.timestamp, offset,
                                        self.attributes)
        parser_mediator.ProduceEvent(event_object)
        self.timestamp = 0
Example #3
0
    def ParseLine(self, parser_context):
        """Parse a single line from the SELinux audit file.

    This method extends the one from TextParser slightly, creating a
    SELinux event with the timestamp (UTC) taken from log entries.

    Args:
      parser_context: A parser context object (instance of ParserContext).

    Returns:
      An event object (instance of EventObject) that is constructed
      from the selinux entry.
    """
        if not self.timestamp:
            raise errors.TimestampNotCorrectlyFormed(
                u'Unable to parse entry, timestamp not defined.')
        offset = getattr(self, 'entry_offset', 0)
        event_object = SELinuxLineEvent(self.timestamp, offset,
                                        self.attributes)
        self.timestamp = 0
        return event_object