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https://github.com/byt3bl33d3r/MITMf.git
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60 lines
1.6 KiB
Python
60 lines
1.6 KiB
Python
# Copyright (c) 2014-2016 Moxie Marlinspike, Marcello Salvati
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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# USA
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#
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import logging
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log = logging.getLogger('mitmf')
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class DnsCache:
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'''
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The DnsCache maintains a cache of DNS lookups, mirroring the browser experience.
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'''
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_instance = None
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def __init__(self):
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self.customAddress = None
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self.cache = {}
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@staticmethod
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def getInstance():
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if DnsCache._instance == None:
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DnsCache._instance = DnsCache()
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return DnsCache._instance
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def cacheResolution(self, host, address):
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self.cache[host] = address
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def getCachedAddress(self, host):
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if host in self.cache:
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return self.cache[host]
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return None
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def setCustomRes(self, host, ip_address=None):
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if ip_address is not None:
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self.cache[host] = ip_address
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log.debug("[DNSCache] DNS entry set: %s -> %s" %(host, ip_address))
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else:
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if self.customAddress is not None:
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self.cache[host] = self.customAddress
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def setCustomAddress(self, ip_address):
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self.customAddress = ip_address
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