Line data    Source code

       1             : /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
       2             : 
       3             : /***
       4             :   This file is part of systemd.
       5             : 
       6             :   Copyright 2013 Lennart Poettering
       7             : 
       8             :   systemd is free software; you can redistribute it and/or modify it
       9             :   under the terms of the GNU Lesser General Public License as published by
      10             :   the Free Software Foundation; either version 2.1 of the License, or
      11             :   (at your option) any later version.
      12             : 
      13             :   systemd is distributed in the hope that it will be useful, but
      14             :   WITHOUT ANY WARRANTY; without even the implied warranty of
      15             :   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
      16             :   Lesser General Public License for more details.
      17             : 
      18             :   You should have received a copy of the GNU Lesser General Public License
      19             :   along with systemd; If not, see <http://www.gnu.org/licenses/>.
      20             : ***/
      21             : 
      22             : 
      23             : #include "util.h"
      24             : #include "fileio.h"
      25             : #include "apparmor-util.h"
      26             : 
      27           2 : bool mac_apparmor_use(void) {
      28             :         static int cached_use = -1;
      29             : 
      30           2 :         if (cached_use < 0) {
      31           2 :                 _cleanup_free_ char *p = NULL;
      32             : 
      33           1 :                 cached_use =
      34           1 :                         read_one_line_file("/sys/module/apparmor/parameters/enabled", &p) >= 0 &&
      35           0 :                         parse_boolean(p) > 0;
      36             :         }
      37             : 
      38           2 :         return cached_use;
      39             : }