RadiusWPE2John

#!/usr/bin/python

###############################################################################
# Free Radius WPE log file convertor to John The Ripper formatted file for
# password cracking.  Use the following format for John:
# ./john --format=NETNTLM freeradius.john
#
# 12/19/2011 - Josh Kelley
###############################################################################

import sys

if len(sys.argv) < 2:
    print "Please feed me the path to the Free Radius WPE log file"
    exit()

fileIn = open(sys.argv[1],'r')
fileOut = open('freeradius.john','w')

i = 0
for line in fileIn:
    lineClean = line.strip()
    lineSplit = lineClean.split(':')
    if lineSplit[0] == "mschap":
        i = i + 1
    if lineSplit[0] == "username":
        username = lineSplit[1].strip()
        i = i + 1
    if lineSplit[0] == "challenge":
        challenge = ""
        for x in lineSplit[1:]:
            challenge = challenge + x
        challenge = challenge.strip()
        i = i + 1
    if lineSplit[0] == "response":
        response = ""
        for x in lineSplit[1:]:
            response = response + x
        response = response.strip()
        i = i + 1
    if i == 4:
        lineNew = "%s:$NETNTLM$%s$%s" % (username, challenge, response)
        fileOut.write("%s\n" % lineNew.strip('\n'))
        i = 0
fileIn.close()
fileOut.close()