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Version bump
Minor code optimizations
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byt3bl33d3r
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commit
9086525c90
44 changed files with 913 additions and 490 deletions
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# 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 re, os
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import logging
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class URLMonitor:
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'''
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The URL monitor maintains a set of (client, url) tuples that correspond to requests which the
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server is expecting over SSL. It also keeps track of secure favicon urls.
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'''
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# Start the arms race, and end up here...
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javascriptTrickery = [re.compile("http://.+\.etrade\.com/javascript/omntr/tc_targeting\.html")]
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_instance = None
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sustitucion = {} # LEO: diccionario host / sustitucion
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real = {} # LEO: diccionario host / real
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patchDict = {
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'https:\/\/fbstatic-a.akamaihd.net':'http:\/\/webfbstatic-a.akamaihd.net',
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'https:\/\/www.facebook.com':'http:\/\/social.facebook.com',
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'return"https:"':'return"http:"'
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}
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def __init__(self):
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self.strippedURLs = set()
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self.strippedURLPorts = {}
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self.redirects = []
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self.faviconReplacement = False
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self.hsts = False
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self.hsts_config = None
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def isSecureLink(self, client, url):
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for expression in URLMonitor.javascriptTrickery:
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if (re.match(expression, url)):
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return True
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return (client,url) in self.strippedURLs
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def getSecurePort(self, client, url):
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if (client,url) in self.strippedURLs:
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return self.strippedURLPorts[(client,url)]
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else:
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return 443
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def addRedirection(self, from_url, to_url):
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for s in self.redirects:
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if from_url in s:
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s.add(to_url)
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return
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url_set = set([from_url, to_url])
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logging.debug("[URLMonitor] Set redirection: %s" % url_set)
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self.redirects.append(url_set)
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def getRedirectionSet(self, url):
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for s in self.redirects:
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if url in s:
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return s
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return set([url])
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def addSecureLink(self, client, url):
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methodIndex = url.find("//") + 2
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method = url[0:methodIndex]
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pathIndex = url.find("/", methodIndex)
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if pathIndex is -1:
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pathIndex = len(url)
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url += "/"
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host = url[methodIndex:pathIndex].lower()
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path = url[pathIndex:]
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port = 443
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portIndex = host.find(":")
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if (portIndex != -1):
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host = host[0:portIndex]
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port = host[portIndex+1:]
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if len(port) == 0:
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port = 443
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if self.hsts:
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if not self.sustitucion.has_key(host):
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lhost = host[:4]
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if lhost=="www.":
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self.sustitucion[host] = "w"+host
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self.real["w"+host] = host
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else:
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self.sustitucion[host] = "web"+host
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self.real["web"+host] = host
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logging.debug("[URLMonitor][HSTS] SSL host (%s) tokenized (%s)" % (host,self.sustitucion[host]) )
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url = 'http://' + host + path
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#logging.debug("HSTS stripped URL: %s %s"%(client, url))
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self.strippedURLs.add((client, url))
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self.strippedURLPorts[(client, url)] = int(port)
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return 'http://'+ self.sustitucion[host] + path
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else:
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url = method + host + path
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self.strippedURLs.add((client, url))
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self.strippedURLPorts[(client, url)] = int(port)
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def setFaviconSpoofing(self, faviconSpoofing):
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self.faviconSpoofing = faviconSpoofing
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def setHstsBypass(self, hstsconfig):
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if hstsconfig:
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self.hsts = True
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self.hsts_config = hstsconfig
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for k,v in self.hsts_config.items():
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self.sustitucion[k] = v
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self.real[v] = k
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def setClientLogging(self, clientLogging):
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self.clientLogging = clientLogging
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def isFaviconSpoofing(self):
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return self.faviconSpoofing
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def isClientLogging(self):
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return self.clientLogging
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def isHstsBypass(self):
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return self.hsts
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def isSecureFavicon(self, client, url):
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return ((self.faviconSpoofing == True) and (url.find("favicon-x-favicon-x.ico") != -1))
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def URLgetRealHost(self,host):
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logging.debug("[URLMonitor][HSTS]Parsing host: %s"%host)
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if self.real.has_key(host):
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logging.debug("[URLMonitor][HSTS]New host: %s"%self.real[host])
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return (self.real[host], True)
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else:
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logging.debug("[URLMonitor][HSTS]New host: %s"%host)
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return (host, False)
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def getInstance():
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if URLMonitor._instance == None:
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URLMonitor._instance = URLMonitor()
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return URLMonitor._instance
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getInstance = staticmethod(getInstance)
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