1 /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
3 * wrapper/user_namespace.h
5 * Copyright (C) 2019 Michael Jeanson <mjeanson@efficios.com>
9 #ifndef _LTTNG_WRAPPER_USER_NAMESPACE_H
10 #define _LTTNG_WRAPPER_USER_NAMESPACE_H
12 #include <linux/version.h>
13 #include <linux/user_namespace.h>
16 #define lttng_current_xxuid(xxx) \
17 (from_kuid_munged(&init_user_ns, current_##xxx()))
19 #define lttng_current_vxxuid(xxx) \
20 (from_kuid_munged(current_user_ns(), current_##xxx()))
22 #define lttng_current_xxgid(xxx) \
23 (from_kgid_munged(&init_user_ns, current_##xxx()))
25 #define lttng_current_vxxgid(xxx) \
26 (from_kgid_munged(current_user_ns(), current_##xxx()))
29 uid_t
lttng_task_vuid(struct task_struct
*p
, struct user_namespace
*ns
)
34 kuid
= task_cred_xxx(p
, uid
);
35 uid
= from_kuid_munged(ns
, kuid
);
41 gid_t
lttng_task_vgid(struct task_struct
*p
, struct user_namespace
*ns
)
46 kgid
= task_cred_xxx(p
, gid
);
47 gid
= from_kgid_munged(ns
, kgid
);
52 #define lttng_current_uid() (lttng_current_xxuid(uid))
53 #define lttng_current_euid() (lttng_current_xxuid(euid))
54 #define lttng_current_suid() (lttng_current_xxuid(suid))
55 #define lttng_current_fsuid() (lttng_current_xxuid(fsuid))
56 #define lttng_current_gid() (lttng_current_xxgid(gid))
57 #define lttng_current_egid() (lttng_current_xxgid(egid))
58 #define lttng_current_sgid() (lttng_current_xxgid(sgid))
59 #define lttng_current_fsgid() (lttng_current_xxgid(fsgid))
61 #define lttng_current_vuid() (lttng_current_vxxuid(uid))
62 #define lttng_current_veuid() (lttng_current_vxxuid(euid))
63 #define lttng_current_vsuid() (lttng_current_vxxuid(suid))
64 #define lttng_current_vfsuid() (lttng_current_vxxuid(fsuid))
65 #define lttng_current_vgid() (lttng_current_vxxgid(gid))
66 #define lttng_current_vegid() (lttng_current_vxxgid(egid))
67 #define lttng_current_vsgid() (lttng_current_vxxgid(sgid))
68 #define lttng_current_vfsgid() (lttng_current_vxxgid(fsgid))
70 #endif /* _LTTNG_WRAPPER_USER_NAMESPACE_H */
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