import crypt
import optparse

def testPass(cryptPass, dname):
 salt = cryptPass[0:2]
 dictFile = open(dname, 'r')
 for word in dictFile.readlines():
  word = word.strip('\n')
  cryptWord = crypt.crypt(word,salt)
  if (cryptWord == cryptPass):
   print "[+] Found Password: "+word+"\n"
   return
 print "[-] Password Not Found. \n"
 return

def Main():
 parser = optparse.OptionParser("usage %prog "+"-f <passwordFile> -d <dictionary>")
 parser.add_option('-f', dest='pname', type='string', help='specify password file')
 parser.add_option('-d', dest='dname', type='string', help='specify dictionary file')
 (options, args) = parser.parse_args()
 if (options.pname == None or (options.dname == None)):
  print parser.usage
  exit(0);
 else:
  pname = options.pname
  dname = options.dname

 passFile = open(pname, 'r')
 for line in passFile.readlines():
  if ":" in line:
   user = line.split(":")[0]
   cryptPass = line.split(":")[1].strip(' ')
   print "[*] Cracking password for:"+user
   testPass(cryptPass, dname)

if __name__ == '__main__':
 Main()