Sender #1 - Gate controller for Jman

-- * configuration
rednet.open("MODEM_SIDE_HERE")
local receiverID = 0

local password = ""
local waitForClose = false
while true do
    local eventData = {os.pullEvent()}
    if eventData[1] == "rednet_message" and eventData[2] == receiverID then
        waitForClose = (eventData[3] == "closeinterface")
    elseif eventData[1] == "key" and eventData[2] == 28 then
        if waitForClose then
            rednet.send(receiverID, "close")
        else
            rednet.send(receiverID, password)
            password = ""
        end
    end
    if not waitForClose then
        if eventData[1] == "char" then
            password = password .. eventData[2]
        elseif eventData[1] == "key" and eventData[2] == 14 then
            password = string.sub(password, 1, #password - 1)
        end
    end
end