remove unsafe functions by default (#741)

d2c75412 · Chen Bill · GitHub · e7995cbe · d2c75412
Commit d2c75412 authored Mar 23, 2025 by Chen Bill Committed by GitHub Mar 23, 2025
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interpreter.cpp interpreter.cpp +9 -0

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--- a/interpreter.cpp
+++ b/interpreter.cpp
@@ -32,6 +32,15 @@ interpreter::interpreter(duel* pd): coroutines(256) {
 	lua_pop(lua_state, 1);
 	luaL_requiref(lua_state, "math", luaopen_math, 1);
 	lua_pop(lua_state, 1);
+	auto nil_out = [&](const char* name) {
+		lua_pushnil(lua_state);
+		lua_setglobal(lua_state, name);
+	};
+	nil_out("collectgarbage");
+#ifndef ENABLE_UNSAFE_LIBRARIES
+	nil_out("dofile");
+	nil_out("loadfile");
+#endif // ENABLE_UNSAFE_LIBRARIES
 	//open all libs
 	scriptlib::open_cardlib(lua_state);
 	scriptlib::open_effectlib(lua_state);