iwla/plugins/pre_analysis/reverse_dns.py

80 lines
1.9 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright Grégory Soutadé 2015
# This file is part of iwla
# iwla 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 3 of the License, or
# (at your option) any later version.
#
# iwla 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 iwla. If not, see <http://www.gnu.org/licenses/>.
#
import socket
import re
from iwla import IWLA
from iplugin import IPlugin
"""
Pre analysis hook
Replace IP by reverse DNS names
Plugin requirements :
None
Conf values needed :
robot_domains*
Output files :
None
Statistics creation :
None
Statistics update :
valid_visitors:
remote_addr
dns_name_replaced
dns_analyzed
Statistics deletion :
None
"""
class IWLAPostAnalysisReverseDNS(IPlugin):
def load(self):
self.robot_domains_re = []
robot_domains = self.iwla.getConfValue('robot_domains', [])
for domain in robot_domains:
self.robot_domains_re.append(re.compile(domain))
return True
def hook(self):
hits = self.iwla.getCurrentVisits()
for (k, hit) in hits.items():
if hit.get('dns_analysed', False): continue
# Do reverse for feed parser even if they're not
# valid visitors
if hit.get('robot', False) and not hit.get('feed_parser', False):
continue
res = self.iwla.reverseDNS(hit)
for r in self.robot_domains_re:
if r.match(hit['remote_addr']):
hit['robot'] = True
break