1 /* SPDX-License-Identifier: GPL-2.0-only */ 1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* 2 /*
3 * Landlock LSM - Limits for different compone 3 * Landlock LSM - Limits for different components
4 * 4 *
5 * Copyright © 2016-2020 Mickaël Salaün <mi 5 * Copyright © 2016-2020 Mickaël Salaün <mic@digikod.net>
6 * Copyright © 2018-2020 ANSSI 6 * Copyright © 2018-2020 ANSSI
7 */ 7 */
8 8
9 #ifndef _SECURITY_LANDLOCK_LIMITS_H 9 #ifndef _SECURITY_LANDLOCK_LIMITS_H
10 #define _SECURITY_LANDLOCK_LIMITS_H 10 #define _SECURITY_LANDLOCK_LIMITS_H
11 11
12 #include <linux/bitops.h> 12 #include <linux/bitops.h>
13 #include <linux/limits.h> 13 #include <linux/limits.h>
14 #include <uapi/linux/landlock.h> 14 #include <uapi/linux/landlock.h>
15 15
16 /* clang-format off */ 16 /* clang-format off */
17 17
18 #define LANDLOCK_MAX_NUM_LAYERS 16 18 #define LANDLOCK_MAX_NUM_LAYERS 16
19 #define LANDLOCK_MAX_NUM_RULES U32_MA 19 #define LANDLOCK_MAX_NUM_RULES U32_MAX
20 20
21 #define LANDLOCK_LAST_ACCESS_FS LANDLO !! 21 #define LANDLOCK_LAST_ACCESS_FS LANDLOCK_ACCESS_FS_TRUNCATE
22 #define LANDLOCK_MASK_ACCESS_FS ((LAND 22 #define LANDLOCK_MASK_ACCESS_FS ((LANDLOCK_LAST_ACCESS_FS << 1) - 1)
23 #define LANDLOCK_NUM_ACCESS_FS __cons 23 #define LANDLOCK_NUM_ACCESS_FS __const_hweight64(LANDLOCK_MASK_ACCESS_FS)
>> 24 #define LANDLOCK_SHIFT_ACCESS_FS 0
24 25
25 #define LANDLOCK_LAST_ACCESS_NET LANDLO 26 #define LANDLOCK_LAST_ACCESS_NET LANDLOCK_ACCESS_NET_CONNECT_TCP
26 #define LANDLOCK_MASK_ACCESS_NET ((LAND 27 #define LANDLOCK_MASK_ACCESS_NET ((LANDLOCK_LAST_ACCESS_NET << 1) - 1)
27 #define LANDLOCK_NUM_ACCESS_NET __cons 28 #define LANDLOCK_NUM_ACCESS_NET __const_hweight64(LANDLOCK_MASK_ACCESS_NET)
>> 29 #define LANDLOCK_SHIFT_ACCESS_NET LANDLOCK_NUM_ACCESS_FS
28 30
29 #define LANDLOCK_LAST_SCOPE LANDLO <<
30 #define LANDLOCK_MASK_SCOPE ((LAND <<
31 #define LANDLOCK_NUM_SCOPE __cons <<
32 /* clang-format on */ 31 /* clang-format on */
33 32
34 #endif /* _SECURITY_LANDLOCK_LIMITS_H */ 33 #endif /* _SECURITY_LANDLOCK_LIMITS_H */
35 34
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