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663996b3 MS |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
663996b3 MS |
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 | ||
60f067b4 JS |
22 | #include <unistd.h> |
23 | ||
24 | #include "ima-util.h" | |
25 | ||
26 | static int use_ima_cached = -1; | |
663996b3 | 27 | |
60f067b4 | 28 | bool use_ima(void) { |
663996b3 | 29 | |
60f067b4 JS |
30 | if (use_ima_cached < 0) |
31 | use_ima_cached = access("/sys/kernel/security/ima/", F_OK) >= 0; | |
663996b3 | 32 | |
60f067b4 JS |
33 | return use_ima_cached; |
34 | } |