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/* SPDX-License-Identifier: LGPL-2.1+ */
/***
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 <stddef.h>
#include "alloc-util.h"
#include "apparmor-util.h"
#include "fileio.h"
#include "parse-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;
}
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