Password Door

password = "23"
guesses = 0
greeting = "2323"
lockTime = 30
timeLeft = lockTime

GUESS_LIMIT = 3

local oldEvent = os.pullEvent
os.pullEvent = os.pullEventRaw

while guesses < GUESS_LIMIT do
    term.clear()
    term.setCursorPos(1,1)
    write(greeting.."\n\n")
    write(GUESS_LIMIT - guesses.." attempts remaining\n\n")
    write("Please enter password: ")

    guess = read("*")

    if guess == password then

        rs.setOutput("bottom", true)
        sleep(5)
        rs.setOutput("bottom", false)
        os.reboot()
    else

        guesses = guesses + 1
        term.clear()
        term.setCursorPos(1,1)
        write("Password Incorrect")
    end
end

while timeLeft > 0 do
    term.clear()
    term.setCursorPos(1,1)
    write("Number of permitted guesses exceeded.\n\nLocking Terminal for "..timeLeft.." seconds.")
    timeLeft = timeLeft - 1
    sleep(1)
end
os.reboot()