1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Landlock LSM - Limits for different components |
4 | * |
5 | * Copyright © 2016-2020 Mickaël Salaün <mic@digikod.net> |
6 | * Copyright © 2018-2020 ANSSI |
7 | */ |
8 | |
9 | #ifndef _SECURITY_LANDLOCK_LIMITS_H |
10 | #define _SECURITY_LANDLOCK_LIMITS_H |
11 | |
12 | #include <linux/bitops.h> |
13 | #include <linux/limits.h> |
14 | #include <uapi/linux/landlock.h> |
15 | |
16 | /* clang-format off */ |
17 | |
18 | #define LANDLOCK_MAX_NUM_LAYERS 16 |
19 | #define LANDLOCK_MAX_NUM_RULES U32_MAX |
20 | |
21 | #define LANDLOCK_LAST_ACCESS_FS LANDLOCK_ACCESS_FS_TRUNCATE |
22 | #define LANDLOCK_MASK_ACCESS_FS ((LANDLOCK_LAST_ACCESS_FS << 1) - 1) |
23 | #define LANDLOCK_NUM_ACCESS_FS __const_hweight64(LANDLOCK_MASK_ACCESS_FS) |
24 | #define LANDLOCK_SHIFT_ACCESS_FS 0 |
25 | |
26 | #define LANDLOCK_LAST_ACCESS_NET LANDLOCK_ACCESS_NET_CONNECT_TCP |
27 | #define LANDLOCK_MASK_ACCESS_NET ((LANDLOCK_LAST_ACCESS_NET << 1) - 1) |
28 | #define LANDLOCK_NUM_ACCESS_NET __const_hweight64(LANDLOCK_MASK_ACCESS_NET) |
29 | #define LANDLOCK_SHIFT_ACCESS_NET LANDLOCK_NUM_ACCESS_FS |
30 | |
31 | /* clang-format on */ |
32 | |
33 | #endif /* _SECURITY_LANDLOCK_LIMITS_H */ |
34 | |