1 /***
2 This file is part of eudev, forked from systemd.
3
4 Copyright 2010 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 "label.h"
21 #include "util.h"
22
label_fix(const char * path,bool ignore_enoent,bool ignore_erofs)23 int label_fix(const char *path, bool ignore_enoent, bool ignore_erofs) {
24 int r, q;
25
26 r = mac_selinux_fix(path, ignore_enoent, ignore_erofs);
27 q = mac_smack_fix(path, ignore_enoent, ignore_erofs);
28
29 if (r < 0)
30 return r;
31 if (q < 0)
32 return q;
33
34 return 0;
35 }
36
mkdir_label(const char * path,mode_t mode)37 int mkdir_label(const char *path, mode_t mode) {
38 int r;
39
40 assert(path);
41
42 r = mac_selinux_create_file_prepare(path, S_IFDIR);
43 if (r < 0)
44 return r;
45
46 if (mkdir(path, mode) < 0)
47 r = -errno;
48
49 mac_selinux_create_file_clear();
50
51 if (r < 0)
52 return r;
53
54 return mac_smack_fix(path, false, false);
55 }
56
symlink_label(const char * old_path,const char * new_path)57 int symlink_label(const char *old_path, const char *new_path) {
58 int r;
59
60 assert(old_path);
61 assert(new_path);
62
63 r = mac_selinux_create_file_prepare(new_path, S_IFLNK);
64 if (r < 0)
65 return r;
66
67 if (symlink(old_path, new_path) < 0)
68 r = -errno;
69
70 mac_selinux_create_file_clear();
71
72 if (r < 0)
73 return r;
74
75 return mac_smack_fix(new_path, false, false);
76 }
77