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-rw-r--r--src/libshared/ima-util.c32
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diff --git a/src/libshared/ima-util.c b/src/libshared/ima-util.c
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+++ b/src/libshared/ima-util.c
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+/***
+ 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 "ima-util.h"
+
+static int use_ima_cached = -1;
+
+bool use_ima(void) {
+
+ if (use_ima_cached < 0)
+ use_ima_cached = access("/sys/kernel/security/ima/", F_OK) >= 0;
+
+ return use_ima_cached;
+}