SU

open = fs.open
--Checks for program in ./su
function chkSU(progname)
fs.open = open
  if fs.exists("/.su") then
SU = fs.open("/.su","r")
Cont = SU.readAll()
SU.close()
    if fs.exists(progname) then
      if string.find(Cont,progname) then
        return true
      else
        return false
      end
    else
      print("Program Not Found In System")
    end
  end
end
--Adds Program to .su
local function addRoot(progname)
SU = fs.open("/.su","a")
SU.write(progname)
SU.close()
end
--Adds Program to .tempSU
function tempSU()

end
--Prompts the user for input on whether
--or not to run root functions
function PromptUser(progname)
term.setBackgroundColor(colors.white)
term.setTextColor(colors.black)
term.clear()
term.setCursorPos(1,1)
print(progname.."is trying to use root functions.")
print("Allow "..progname.." root access?")
local evnt, key, held = os.pullEvent("key")
  if key == 21 then
  --ALLOW ROOT ACCESS PERMANANTLY
  addRoot(progname)
  elseif key == 49 then
  --DENY ROOT ACCESS UNTIL REQUESTED AGAIN
  elseif key == 20 then
  --GIVE ROOT ACCESS FOR THIS BOOT
  else
  print("exiting root manager")
  sleep(1)
  term.setBackgroundColor(colors.black)
  term.setTextColor(colors.white)
  term.clear()
  term.setCursorPos(1,1)
  end
 sleep(0)
end
--Requests SU on program 'A'
function SUReq(A)
  if chkSU(A) == true then
    return "Root Already Gained"
  else
    PromptUser(A)
  end
end