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knockknock-genprofile.py
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knockknock-genprofile.py
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#!/usr/bin/env python
__author__ = "Moxie Marlinspike"
__email__ = "moxie@thoughtcrime.org"
__license__= """
Copyright (c) 2009 Moxie Marlinspike <moxie@thoughtcrime.org>
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
"""
import os, sys
from knockknock.Profiles import Profiles
from knockknock.Profile import Profile
DAEMON_DIR = '/etc/knockknock.d/'
PROFILES_DIR = DAEMON_DIR + 'profiles/'
def usage():
print "knockknock-genprofile <profileName> <knockPort>"
sys.exit(3)
def checkProfile(profileName):
if (os.path.isdir(PROFILES_DIR + profileName)):
print "Profile already exists. First rm " + PROFILES_DIR + profileName + "/"
sys.exit(0)
def checkPortConflict(knockPort):
if (not os.path.isdir(PROFILES_DIR)):
return
profiles = Profiles(PROFILES_DIR)
matchingProfile = profiles.getProfileForPort(knockPort)
if (matchingProfile != None):
print "A profile already exists for knock port: " + str(knockPort) + " at this location: " + matchingProfile.getDirectory()
def createDirectory(profileName):
if not os.path.isdir(DAEMON_DIR):
os.mkdir(DAEMON_DIR)
if not os.path.isdir(PROFILES_DIR):
os.mkdir(PROFILES_DIR)
if not os.path.isdir(PROFILES_DIR + profileName):
os.mkdir(PROFILES_DIR + profileName)
def main(argv):
if len(argv) != 2:
usage()
profileName = argv[0]
knockPort = argv[1]
checkProfile(profileName)
checkPortConflict(knockPort)
createDirectory(profileName)
random = open('/dev/urandom', 'rb')
cipherKey = random.read(16)
macKey = random.read(16)
counter = 0
profile = Profile(PROFILES_DIR + profileName, cipherKey, macKey, counter, knockPort)
profile.serialize()
random.close()
print "Keys successfully generated in " + PROFILES_DIR + profileName
if __name__ == '__main__':
main(sys.argv[1:])