iwla/plugins/post_analysis/reverse_dns.py

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import socket
from iwla import IWLA
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from iplugin import IPlugin
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class IWLAPostAnalysisReverseDNS(IPlugin):
DEFAULT_DNS_TIMEOUT = 0.5
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def __init__(self, iwla):
super(IWLAPostAnalysisReverseDNS, self).__init__(iwla)
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self.API_VERSION = 1
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def load(self):
timeout = self.iwla.getConfValue('reverse_dns_timeout',
IWLAPostAnalysisReverseDNS.DEFAULT_DNS_TIMEOUT)
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socket.setdefaulttimeout(timeout)
return True
def hook(self):
hits = self.iwla.getValidVisitors()
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for (k, hit) in hits.items():
if hit.get('dns_analysed', False): continue
try:
name, _, _ = socket.gethostbyaddr(k)
hit['remote_addr'] = name
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hit['dns_name_replaced'] = True
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except:
pass
finally:
hit['dns_analysed'] = True