startup

conSide = "back"
icbmSide = "bottom"
protocol = "iTnP"
  computerId = os.getComputerID()

rednet.open(conSide)

term.clear()
term.setCursorPos(1, 1)

if not rednet.isOpen(conSide) then
  print("Erro ao estabelecer conexao a rede Skynet.")
  sleep(3)
  os.reboot()
end

print("Conexao com Sistemas Skynet .. OK")
print("Aguardando log in.")
sleep(2)

term.clear()
x,y = term.getSize()
term.setCursorPos(x/2 - 17, y/2 - 1)
print("Username: ")
term.setCursorPos(x/2 - 15, y/2)
user = read()
term.setCursorPos(x/2 - 17, y/2 + 1)
print("Password: ")
term.setCursorPos(x/2 - 15, y/2 + 2)
pass = read("*")
authString = "R.Check." .. user .. "." .. pass
term.clear()
term.setCursorPos(1, 1)

function menu()
  term.clear()
  x,y = term.getSize()
  term.setCursorPos(x/2 - 20, y/2)
  print("[1] Lancar [2] Sair")
  term.setCursorPos(x/2 - 10, y/2 + 1)
  c = read()
  if c == "1" then
    term.clear()
    term.setCursorPos(x/2 - 10, y/2)
    sleep(20)
    print("A Lancar Missil...")
    redstone.setOutput(icbmSide, true)
    term.setCursorPos(x/2 - 10, y/2 + 1)
    print("Missil Lancado.....")
    sleep(5)
    redstone.setOutput(icbmSide, false)
    menu()
    return
  elseif c == "2" then
    os.reboot()
  end
end

while true do

  rednet.broadcast("R.Id", protocol)
  i1,m1,p1 = rednet.receive()
  if i1 == m1 and p1 == protocol then
    rednet.send(i1, authString, protocol)
    i2,m2,p2 = rednet.receive()
    if i2 == i1 and p2 == protocol then
      if m2 == "Resp.True" then
        menu()
        break
      else
        print("Dados Invalidos.")
        sleep(2)
        os.reboot()
      end
    else
      os.reboot()
    end
  else
    os.reboot()
  end

end