diff -r ea743486ba6f -r 590b9e4d837d librazor/lua.c
--- a/librazor/lua.c	Wed Jun 03 08:26:09 2009 +0100
+++ b/librazor/lua.c	Thu Jul 09 00:01:18 2009 +0100
@@ -368,7 +368,7 @@
 }
 
 int run_lua_script(const char *root, const char *name, const char *body,
-		   ssize_t len)
+		   ssize_t len, int arg1)
 {
 	int i, n;
 	lua_State *L;
@@ -428,6 +428,20 @@
 		return -1;
 	}
 
+	lua_newtable(L);
+	lua_pushvalue(L, LUA_GLOBALSINDEX);
+	lua_pushliteral(L, "arg");
+	lua_pushvalue(L, -3);
+	lua_rawset(L, -3);
+	lua_pop(L, 1);
+	lua_pushliteral(L, "<lua>");
+	lua_rawseti(L, -2, 1);
+	if (arg1 >= 0) {
+		lua_pushinteger(L, arg1);
+		lua_rawseti(L, -2, 2);
+	}
+	lua_pop(L, 1);
+
 	if (lua_pcall(L, 0, 0, 0)) {
 		fprintf(stderr, "lua script failed: %s\n", lua_tostring(L, -1));
 		lua_pop(L, 1);