Exemple #1
0
int ScriptApiSecurity::sl_io_open(lua_State *L)
{
	bool with_mode = lua_gettop(L) > 1;

	luaL_checktype(L, 1, LUA_TSTRING);
	const char *path = lua_tostring(L, 1);

	bool write_requested = false;
	if (with_mode) {
		luaL_checktype(L, 2, LUA_TSTRING);
		const char *mode = lua_tostring(L, 2);
		write_requested = strchr(mode, 'w') != NULL ||
			strchr(mode, '+') != NULL ||
			strchr(mode, 'a') != NULL;
	}
	CHECK_SECURE_PATH_INTERNAL(L, path, write_requested, NULL);

	push_original(L, "io", "open");
	lua_pushvalue(L, 1);
	if (with_mode) {
		lua_pushvalue(L, 2);
	}

	lua_call(L, with_mode ? 2 : 1, 2);
	return 2;
}
Exemple #2
0
int ScriptApiSecurity::sl_os_remove(lua_State *L)
{
	luaL_checktype(L, 1, LUA_TSTRING);
	const char *path = lua_tostring(L, 1);
	CHECK_SECURE_PATH(L, path);

	push_original(L, "os", "remove");
	lua_pushvalue(L, 1);
	lua_call(L, 1, 2);
	return 2;
}
Exemple #3
0
int ScriptApiSecurity::sl_io_output(lua_State *L)
{
	if (lua_isstring(L, 1)) {
		const char *path = lua_tostring(L, 1);
		CHECK_SECURE_PATH(L, path);
	}

	push_original(L, "io", "output");
	lua_pushvalue(L, 1);
	lua_call(L, 1, 1);
	return 1;
}
Exemple #4
0
int ScriptApiSecurity::sl_io_input(lua_State *L)
{
	if (lua_isstring(L, 1)) {
		const char *path = lua_tostring(L, 1);
		CHECK_SECURE_PATH_INTERNAL(L, path, false, NULL);
	}

	push_original(L, "io", "input");
	lua_pushvalue(L, 1);
	lua_call(L, 1, 1);
	return 1;
}
Exemple #5
0
int ScriptApiSecurity::sl_io_lines(lua_State *L)
{
	if (lua_isstring(L, 1)) {
		const char *path = lua_tostring(L, 1);
		CHECK_SECURE_PATH(L, path);
	}

	push_original(L, "io", "lines");
	lua_pushvalue(L, 1);
	int top_precall = lua_gettop(L);
	lua_call(L, 1, LUA_MULTRET);
	// Return number of arguments returned by the function,
	// adjusting for the function being poped.
	return lua_gettop(L) - (top_precall - 1);
}
Exemple #6
0
int ScriptApiSecurity::sl_os_rename(lua_State *L)
{
	luaL_checktype(L, 1, LUA_TSTRING);
	const char *path1 = lua_tostring(L, 1);
	CHECK_SECURE_PATH_INTERNAL(L, path1, true, NULL);

	luaL_checktype(L, 2, LUA_TSTRING);
	const char *path2 = lua_tostring(L, 2);
	CHECK_SECURE_PATH_INTERNAL(L, path2, true, NULL);

	push_original(L, "os", "rename");
	lua_pushvalue(L, 1);
	lua_pushvalue(L, 2);
	lua_call(L, 2, 2);
	return 2;
}