From 86c083837bbc3825fa63fbe5cfe3fe0c451193cb Mon Sep 17 00:00:00 2001
From: Mark Vejvoda <mark_vejvoda@hotmail.com>
Date: Fri, 12 Oct 2012 14:10:19 +0000
Subject: [PATCH] - add lua's io package to unsafe list

---
 source/shared_lib/sources/lua/lua_script.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/source/shared_lib/sources/lua/lua_script.cpp b/source/shared_lib/sources/lua/lua_script.cpp
index ab5e44a29..8d2747337 100644
--- a/source/shared_lib/sources/lua/lua_script.cpp
+++ b/source/shared_lib/sources/lua/lua_script.cpp
@@ -75,6 +75,18 @@ LuaScript::LuaScript() {
 		lua_pushnil(luaState);
 		lua_setfield(luaState, -2, "exit");
 
+		lua_getglobal(luaState, "io");
+		lua_pushnil(luaState);
+		lua_setfield(luaState, -2, "open");
+		lua_pushnil(luaState);
+		lua_setfield(luaState, -2, "close");
+		lua_pushnil(luaState);
+		lua_setfield(luaState, -2, "write");
+		lua_pushnil(luaState);
+		lua_setfield(luaState, -2, "read");
+		lua_pushnil(luaState);
+		lua_setfield(luaState, -2, "flush");
+
 		lua_pushnil(luaState);
 		lua_setglobal(luaState, "loadfile");
 		lua_pushnil(luaState);