1 files changed, 39 insertions, 0 deletions
diff --git a/src/libshared/apparmor-util.c b/src/libshared/apparmor-util.c
new file mode 100644
index 0000000000..edd695fd23
--- /dev/null
+++ b/src/libshared/apparmor-util.c
@@ -0,0 +1,39 @@
+/***
+  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;
+}