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Luacontroller: Revert function stripping from digiline messages
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@ -151,24 +151,6 @@ function mesecon.tablecopy(table) -- deep table copy
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return newtable
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return newtable
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end
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end
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function mesecon.tablecopy_stripfunctions(table) -- deep table copy, but remove all functions
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if type(table) == "function" then return nil end -- functions become nil
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if type(table) ~= "table" then return table end -- no need to copy
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local newtable = {}
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for idx, item in pairs(table) do
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if type(idx) ~= "function" then
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if type(item) == "table" then
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newtable[idx] = mesecon.tablecopy_stripfunctions(item)
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elseif type(item) ~= "function" then
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newtable[idx] = item
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end
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end
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end
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return newtable
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end
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function mesecon.cmpAny(t1, t2)
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function mesecon.cmpAny(t1, t2)
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if type(t1) ~= type(t2) then return false end
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if type(t1) ~= type(t2) then return false end
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if type(t1) ~= "table" and type(t2) ~= "table" then return t1 == t2 end
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if type(t1) ~= "table" and type(t2) ~= "table" then return t1 == t2 end
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@ -278,9 +278,11 @@ local function get_digiline_send(pos)
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return false
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return false
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end
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end
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-- No sending functions over the wire and make sure serialized version
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-- It is technically possible to send functions over the wire since
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-- of the data is not insanely long to prevent DoS-like attacks
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-- the high performance impact of stripping those from the data has
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msg = mesecon.tablecopy_stripfunctions(msg)
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-- been decided to not be worth the added realism.
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-- Make sure serialized version of the data is not insanely long to
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-- prevent DoS-like attacks
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local msg_ser = minetest.serialize(msg)
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local msg_ser = minetest.serialize(msg)
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if #msg_ser > mesecon.setting("luacontroller_digiline_maxlen", 50000) then
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if #msg_ser > mesecon.setting("luacontroller_digiline_maxlen", 50000) then
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return false
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return false
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