Remove lua_atc from advtrains main mod.
orwell96
parent
1648de4114
commit
3ca1115142
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@ -96,7 +96,6 @@ else
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advtrains.wagon_save = tbl.wagon_save
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advtrains.ndb.load_data(tbl.ndb)
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advtrains.atc.load_data(tbl.atc)
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--advtrains.latc.load_data(tbl.latc)
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else
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--oh no, its the old one...
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advtrains.trains=tbl
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@ -165,7 +164,6 @@ advtrains.save = function()
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trains = advtrains.trains,
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wagon_save = advtrains.wagon_save,
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atc = advtrains.atc.save_data(),
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--latc = advtrains.latc.save_data(),
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ndb = advtrains.ndb.save_data(),
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version = 1,
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}
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@ -1,166 +0,0 @@
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-------------
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--LUA ATC controllers
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local latc={}
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function latc.load_data(data)
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end
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function latc.save_data()
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return stuff
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end
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latc.data
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latc.env_cdata
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latc.init_code=""
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latc.step_code=""
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advtrains.fpath_latc=minetest.get_worldpath().."/advtrains_latc"
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local file, err = io.open(advtrains.fpath_atc, "r")
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if not file then
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local er=err or "Unknown Error"
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atprint("Failed loading advtrains latc save file "..er)
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else
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local tbl = minetest.deserialize(file:read("*a"))
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if type(tbl) == "table" then
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atc.controllers=tbl.controllers
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end
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file:close()
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end
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function latc.save()
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local datastr = minetest.serialize({controllers = atc.controllers})
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if not datastr then
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minetest.log("error", " Failed to serialize latc data!")
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return
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end
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local file, err = io.open(advtrains.fpath_atc, "w")
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if err then
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return err
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end
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file:write(datastr)
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file:close()
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end
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--Privilege
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--Only trusted players should be enabled to build stuff which can break the server.
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--If I later decide to have multiple environments ('data' tables), I better store an owner for every controller for future reference.
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minetest.register_privilege("advtrains_lua_atc", { description = "Player can place and modify LUA ATC components. Grant with care! Allows to execute bad LUA code.", give_to_singleplayer = false, default= false })
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--Environment
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--Code from mesecons_luacontroller (credit goes to Jeija and mesecons contributors)
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local safe_globals = {
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"assert", "error", "ipairs", "next", "pairs", "select",
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"tonumber", "tostring", "type", "unpack", "_VERSION"
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}
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local function safe_print(param)
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print(dump(param))
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end
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local function safe_date()
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return(os.date("*t",os.time()))
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end
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-- string.rep(str, n) with a high value for n can be used to DoS
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-- the server. Therefore, limit max. length of generated string.
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local function safe_string_rep(str, n)
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if #str * n > mesecon.setting("luacontroller_string_rep_max", 64000) then
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debug.sethook() -- Clear hook
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error("string.rep: string length overflow", 2)
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end
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return string.rep(str, n)
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end
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-- string.find with a pattern can be used to DoS the server.
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-- Therefore, limit string.find to patternless matching.
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local function safe_string_find(...)
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if (select(4, ...)) ~= true then
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debug.sethook() -- Clear hook
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error("string.find: 'plain' (fourth parameter) must always be true in a LuaController")
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end
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return string.find(...)
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end
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latc.static_env = {
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print = safe_print,
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string = {
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byte = string.byte,
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char = string.char,
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format = string.format,
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len = string.len,
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lower = string.lower,
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upper = string.upper,
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rep = safe_string_rep,
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reverse = string.reverse,
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sub = string.sub,
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find = safe_string_find,
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},
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math = {
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abs = math.abs,
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acos = math.acos,
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asin = math.asin,
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atan = math.atan,
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atan2 = math.atan2,
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ceil = math.ceil,
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cos = math.cos,
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cosh = math.cosh,
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deg = math.deg,
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exp = math.exp,
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floor = math.floor,
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fmod = math.fmod,
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frexp = math.frexp,
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huge = math.huge,
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ldexp = math.ldexp,
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log = math.log,
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log10 = math.log10,
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max = math.max,
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min = math.min,
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modf = math.modf,
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pi = math.pi,
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pow = math.pow,
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rad = math.rad,
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random = math.random,
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sin = math.sin,
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sinh = math.sinh,
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sqrt = math.sqrt,
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tan = math.tan,
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tanh = math.tanh,
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},
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table = {
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concat = table.concat,
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insert = table.insert,
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maxn = table.maxn,
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remove = table.remove,
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sort = table.sort,
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},
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os = {
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clock = os.clock,
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difftime = os.difftime,
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time = os.time,
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datetable = safe_date,
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},
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}
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latc.static_env._G = env
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for _, name in pairs(safe_globals) do
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latc.static_env[name] = _G[name]
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end
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--The environment all code calls get is a proxy table with a metatable.
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--When an index is read:
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-- Look in static_env
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-- Look in volatile_env (user_written functions and userdata)
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-- Look in saved_env (everything that's not a function or userdata)
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--when an index is written:
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-- If in static_env, do not allow
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-- if function or userdata, volatile_env
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-- if table, see below
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-- else, save in saved_env
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advtrains.latc=latc
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