src/shared/ima-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2013 Lennart Poettering
   6 ***/
   7
   8 #include <unistd.h>
   9
  10 #include "ima-util.h"
  11
  12 static int use_ima_cached = -1;
  13
  14 bool use_ima(void) {
  15
  16         if (use_ima_cached < 0)
  17                 use_ima_cached = access("/sys/kernel/security/ima/", F_OK) >= 0;
  18
  19         return use_ima_cached;
  20 }