client

local oldPull = os.pullEvent
os.pullEvent = os.pullEventRaw

local serverId = 45

function listenToInput()
  term.setTextColor(colors.yellow)
  write("> ")
  term.setTextColor(colors.white)
  local input = read()
  local lInput = string.lower(input)
  if lInput == "edit startup" then
    term.setTextColor(colors.red)
    print("edit:9: Access Denied.")
    listenToInput()
  elseif lInput == "startup" then
    term.setTextColor(colors.red)
    print("No such program")
    listenToInput()
  elseif string.find(lInput, "cp") and string.find(lInput, "startup") then
    term.setTextColor(colors.red)
    print("copy:9: Access Denied.")
    listenToInput()
  elseif string.find(lInput, "delete") and string.find(lInput, "startup") then
    term.setTextColor(colors.red)
    print("delete:9: Access Denied.")
    listenToInput()
  else
    shell.run(input)
    listenToInput()
  end
end

term.clear()
term.setCursorPos(1, 1)
term.setTextColor(colors.purple)
rednet.open("top")
print("Started RedNet.")
print("Pinging Server... This may take 10 seconds.")
rednet.send(serverId, "RequestStatus")
local id2 = rednet.receive(10)
if id2 == nil then
  term.setTextColor(colors.red)
  print("Could not reach Server. Rebooting.")
  sleep(2)
  os.reboot()
end
term.setTextColor(colors.red)
print(" ")
print("Please Login to use this Computer.")
print("Accounts are saved on the Server.")
print(" ")
term.setTextColor(colors.orange)
write("Username: ")
term.setTextColor(colors.cyan)
local username = read()
term.setTextColor(colors.orange)
write("Password: ")
term.setTextColor(colors.cyan)
local password = read("*")
rednet.send(serverId, username, password)
term.setTextColor(colors.green)
print("Please wait 30 seconds that the Server can respond.")
while true do
id,success = rednet.receive(30)
if success == nil then
  success = false
end
if id == serverId then
  if success == true then
    term.setTextColor(colors.green)
    print("Access Granted.")
    term.setTextColor(colors.yellow)
    print(os.version())
    os.pullEvent = oldPull
    listenToInput()
  else
    term.setTextColor(colors.red)
    print("Access Denied or Server offline. Rebooting Computer.")
    sleep(3)
    os.reboot()
  end
else
  term.setTextColor(colors.red)
  print("Invalid RedNet ID. Rebooting Computer.")
  sleep(3)
  os.reboot()
end
end