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minetest.deserialize: Throw error when argument not string (#5738)

This commit is contained in:
SmallJoker 2017-05-09 23:11:20 +02:00 committed by Loïc Blot
parent 34c52d0ad7
commit 6945f807ab
1 changed files with 4 additions and 0 deletions
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4
builtin/common/serialize.lua
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@ -186,6 +186,10 @@ local safe_env = {
}
function core.deserialize(str, safe)
if type(str) ~= "string" then
return nil, "Cannot deserialize type '"..type(str)
.."'. Argument must be a string."
end
if str:byte(1) == 0x1B then
return nil, "Bytecode prohibited"
end