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How can I limit lua possibilities (calling OS functions, modules, etc.)
How can I create a secure Lua sandbox?
luaL_openlibs(m_pState);
I use this function to load all the libs.I would like to skip all the dangerous libs like IO but I just cant find any documentation on how to disable a lib.
How do I disable certain libs? Are there more dangerous libs that can gain the script access to the system?
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LuaSandbox is an extension for PHP 7 and PHP 8 to allow safely running untrusted Lua 5.1 code from within PHP, which will generally be faster than shelling out to a Lua binary and using inter-process communication.
This means that all values can be stored in variables, passed as arguments to other functions, and returned as results. There are eight basic types in Lua: nil, boolean, number, string, function, userdata, thread, and table.
The lua_State is basically a way to access what's going on in the Lua "box" during execution of your program and allows you to glue the two languages together.
Add a copy of linit.c to your project and remove any libraries that you deem dangerous. To remove individual functions, set them to nil. See also the source of the Lua demo.
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