CC Pass client V2

    oldpull = os.pullEvent
    os.pullEvent = os.pullEventRaw -- remove the CTRL + T escape

    -- Local variables

    local cmpid = os.getComputerID()
    local locker = true  -- Technically I no longer use this varible. it used to define the loop for my login.
    local failed = true
    local attempted_login = true
    local password_server = 10 -- change to the ID of your password server computer
    local moside = "top"  -- This is your modem location :- top, bottom, left, right, back or front

    print("Computer ID : ".. cmpid)
    rednet.open(moside)  -- open the Rednet modem.


    while true do  -- infinite loop
     attempted_login = false  -- reset the varible
     term.clear()
     term.setCursorPos(1,1)
     print("Welcome to a Client PC")
     print("What would you like to do?")
     print("[1] Login (*)")
     print("[2] Shutdown")

     -- end of the menu

     write("> ")
     local input = read()

     if input == "2" then  -- reverse order shall we shut down ?
      os.shutdown()

     elseif input == "1" then -- if not then lets do something maybe ?
      attempted_login = true
      print("Please login...")

      -- Username

      write("Username: ")
      local username = read()  -- Get input of Username

      -- Password

      write("Password: ")
      local password = read("*") -- Get masked input of Password

      local testmessage = username .. " " .. password  -- make our rednet message with seperator

      if debug then print(testmessage);sleep(5); end  -- Debug testing to check the message

      rednet.send(password_server, testmessage, true)
      senderId, message, distance = rednet.receive(5)
      if message == "valid" then  -- did the server send the message "valid" ?
       failed = false

       --[[
       locker = false  -- here is the non used Locker again, at this point it would unlock us from the loop.
       -- the while true do makes that line obsolete.
       --]]

       term.clear()
       term.setCursorPos(1,1)
       print("Welcome ", username) -- Welcome the user.
       printError("Command restored")
       os.pullEvent = oldpull
       error()

       --[[ This next section is my door opening server. Send the open and close commands
       -- to the door server, plus the wait time of 6 seconds to get out the terminal and through the door
        rednet.send(17, "open")
            sleep(6)
            rednet.send(17, "close")
            --]]

      else  -- The server sent a non valid respone.
       print("Invalid Username or Password.")
       sleep(3)
      end

      -- If you did not type 1 or 2... I have no idea...

     else
      print("Command not recognised...")
      sleep(2)
     end
    end