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1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2013 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
20 | #include <unistd.h> | |
21 | ||
5a045dad | 22 | #include "ima-util.h" |
d682b3a7 LP |
23 | |
24 | static int use_ima_cached = -1; | |
25 | ||
26 | bool use_ima(void) { | |
27 | ||
28 | if (use_ima_cached < 0) | |
29 | use_ima_cached = access("/sys/kernel/security/ima/", F_OK) >= 0; | |
30 | ||
31 | return use_ima_cached; | |
32 | } |