1 | /* User and group IDs. |
2 | Copyright (C) 1993-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #ifndef _HURD_ID_H |
20 | |
21 | #define _HURD_ID_H 1 |
22 | #include <features.h> |
23 | #include <hurd/hurd_types.h> |
24 | #include <errno.h> |
25 | #include <bits/types/error_t.h> |
26 | |
27 | #include <lock-intern.h> /* For `struct mutex'. */ |
28 | |
29 | /* Structure describing authorization data for the process. */ |
30 | |
31 | struct hurd_id_data |
32 | { |
33 | struct mutex lock; |
34 | |
35 | int valid; /* If following data are up to date. */ |
36 | |
37 | struct |
38 | { |
39 | uid_t *uids; |
40 | gid_t *gids; |
41 | mach_msg_type_number_t nuids, ngids; |
42 | } gen, aux; |
43 | |
44 | auth_t rid_auth; /* Cache used by access. */ |
45 | }; |
46 | |
47 | /* Current data. */ |
48 | |
49 | extern struct hurd_id_data _hurd_id; |
50 | |
51 | |
52 | /* Update _hurd_id (caller should be holding the lock). */ |
53 | |
54 | extern error_t _hurd_check_ids (void); |
55 | |
56 | |
57 | #endif /* hurd/id.h */ |
58 | |