ff

-- storing argument present when program is launched
-- ( on / off )
local com = {...}
if #com ~= 1 then
    print( "usage: ff <on/off>" )
end
-- Opening the wireless modem
rednet.open( "top" )

-- determining if you entered "on"
if com[1] == "on" then

    -- telling other comp you want to turn on the forcefield
    rednet.send( 0, "FF on" )

    -- password input
    print( "Enter password:" )
    password = read( "*" )
    os.sleep( 0.5 )

    -- sending password to other comp
    rednet.send( 0, tostring( password ) )

    --[[waiting for other comp to confirm or deny password.
            this is handled by the other comp, so this just tells
            you if you entered the correct password or not so you
            know to try again.]]--
    wVer = false
    while not wVer do
        local network, passVer = rednet.receive()
        if passVer == "correct" then
            print( "Password accepted." )
            wVer = true
        elseif passVer == "incorrect" then
            print( "Password incorrect." )
            wVer = true
        end
    end

-- determining if you entered "off"
elseif com[1] == "off" then
    rednet.send( 0, "FF off" )

else
    print( "usage: ff <on/off>" )
end