os.pullEvent = os.pullEventRaw
local locker = true
local failed = true
local attempted_login = true
local password_server = 0
rednet.open("left")
while locker do
  attempted_login = false
  term.clear()
  term.setCursorPos(1,1)
  print("Andy's Network : Client PC")
  print("[1] Login (*)")
  print("[2] Shutdown")
  write("> ")
  local input = read()
  if input == "2" then
    os.shutdown()
   elseif input == "1" then
    attempted_login = true
    print("Please login...")
    write("login as: ")
    local username = read()
    write("password: ")
    local password = read("*")
    rednet.send(password_server, username, true)
    senderId, message, distance = rednet.receive(5)
    if password == message then
      failed = false
      locker = false
      term.clear()
      term.setCursorPos(1,1)
      print("Logged in as ", username)
    else
      print("Invalid Username or Password.")
      sleep(3)
    end
  else
    print("Wrong command")
    sleep(2)
  end
end