/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2013 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <unistd.h> #include "util.h" #include "fileio.h" #include "apparmor-util.h" bool mac_apparmor_use(void) { static int cached_use = -1; if (cached_use < 0) { _cleanup_free_ char *p = NULL; cached_use = read_one_line_file("/sys/module/apparmor/parameters/enabled", &p) >= 0 && parse_boolean(p) > 0; } return cached_use; }