1 /* Include and determine availability of smack routines
2 Copyright (C) 2013-2023 Free Software Foundation, Inc.
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
16
17 /* Here we replace or wrap the most common smack functions used by coreutils.
18 Others will need to be protected by HAVE_SMACK. */
19
20 #ifdef HAVE_SMACK
21 # include <sys/smack.h>
22 #else
23 static inline ssize_t
smack_new_label_from_self(char ** label)24 smack_new_label_from_self (char **label)
25 {
26 return -1;
27 }
28
29 static inline int
smack_set_label_for_self(char const * label)30 smack_set_label_for_self (char const *label)
31 {
32 return -1;
33 }
34 #endif
35
36 static inline bool
is_smack_enabled(void)37 is_smack_enabled (void)
38 {
39 #ifdef HAVE_SMACK
40 return smack_smackfs_path () != nullptr;
41 #else
42 return false;
43 #endif
44 }
45