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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 File: linux/xattr.h
4
5 Extended attributes handling.
6
7 Copyright (C) 2001 by Andreas Gruenbacher <a.gruenbacher@computer.org>
8 Copyright (c) 2001-2002 Silicon Graphics, Inc. All Rights Reserved.
9 Copyright (c) 2004 Red Hat, Inc., James Morris <jmorris@redhat.com>
10 Copyright (c) 2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
11*/
12
13#include <linux/libc-compat.h>
14#include <linux/types.h>
15
16#ifndef _UAPI_LINUX_XATTR_H
17#define _UAPI_LINUX_XATTR_H
18
19#if __UAPI_DEF_XATTR
20#define __USE_KERNEL_XATTR_DEFS
21
22#define XATTR_CREATE 0x1 /* set value, fail if attr already exists */
23#define XATTR_REPLACE 0x2 /* set value, fail if attr does not exist */
24
25struct xattr_args {
26 __aligned_u64 value;
27 __u32 size;
28 __u32 flags;
29};
30#endif
31
32/* Namespaces */
33#define XATTR_OS2_PREFIX "os2."
34#define XATTR_OS2_PREFIX_LEN (sizeof(XATTR_OS2_PREFIX) - 1)
35
36#define XATTR_MAC_OSX_PREFIX "osx."
37#define XATTR_MAC_OSX_PREFIX_LEN (sizeof(XATTR_MAC_OSX_PREFIX) - 1)
38
39#define XATTR_BTRFS_PREFIX "btrfs."
40#define XATTR_BTRFS_PREFIX_LEN (sizeof(XATTR_BTRFS_PREFIX) - 1)
41
42#define XATTR_HURD_PREFIX "gnu."
43#define XATTR_HURD_PREFIX_LEN (sizeof(XATTR_HURD_PREFIX) - 1)
44
45#define XATTR_SECURITY_PREFIX "security."
46#define XATTR_SECURITY_PREFIX_LEN (sizeof(XATTR_SECURITY_PREFIX) - 1)
47
48#define XATTR_SYSTEM_PREFIX "system."
49#define XATTR_SYSTEM_PREFIX_LEN (sizeof(XATTR_SYSTEM_PREFIX) - 1)
50
51#define XATTR_TRUSTED_PREFIX "trusted."
52#define XATTR_TRUSTED_PREFIX_LEN (sizeof(XATTR_TRUSTED_PREFIX) - 1)
53
54#define XATTR_USER_PREFIX "user."
55#define XATTR_USER_PREFIX_LEN (sizeof(XATTR_USER_PREFIX) - 1)
56
57/* Security namespace */
58#define XATTR_EVM_SUFFIX "evm"
59#define XATTR_NAME_EVM XATTR_SECURITY_PREFIX XATTR_EVM_SUFFIX
60
61#define XATTR_IMA_SUFFIX "ima"
62#define XATTR_NAME_IMA XATTR_SECURITY_PREFIX XATTR_IMA_SUFFIX
63
64#define XATTR_SELINUX_SUFFIX "selinux"
65#define XATTR_NAME_SELINUX XATTR_SECURITY_PREFIX XATTR_SELINUX_SUFFIX
66
67#define XATTR_SMACK_SUFFIX "SMACK64"
68#define XATTR_SMACK_IPIN "SMACK64IPIN"
69#define XATTR_SMACK_IPOUT "SMACK64IPOUT"
70#define XATTR_SMACK_EXEC "SMACK64EXEC"
71#define XATTR_SMACK_TRANSMUTE "SMACK64TRANSMUTE"
72#define XATTR_SMACK_MMAP "SMACK64MMAP"
73#define XATTR_NAME_SMACK XATTR_SECURITY_PREFIX XATTR_SMACK_SUFFIX
74#define XATTR_NAME_SMACKIPIN XATTR_SECURITY_PREFIX XATTR_SMACK_IPIN
75#define XATTR_NAME_SMACKIPOUT XATTR_SECURITY_PREFIX XATTR_SMACK_IPOUT
76#define XATTR_NAME_SMACKEXEC XATTR_SECURITY_PREFIX XATTR_SMACK_EXEC
77#define XATTR_NAME_SMACKTRANSMUTE XATTR_SECURITY_PREFIX XATTR_SMACK_TRANSMUTE
78#define XATTR_NAME_SMACKMMAP XATTR_SECURITY_PREFIX XATTR_SMACK_MMAP
79
80#define XATTR_APPARMOR_SUFFIX "apparmor"
81#define XATTR_NAME_APPARMOR XATTR_SECURITY_PREFIX XATTR_APPARMOR_SUFFIX
82
83#define XATTR_CAPS_SUFFIX "capability"
84#define XATTR_NAME_CAPS XATTR_SECURITY_PREFIX XATTR_CAPS_SUFFIX
85
86#define XATTR_BPF_LSM_SUFFIX "bpf."
87#define XATTR_NAME_BPF_LSM (XATTR_SECURITY_PREFIX XATTR_BPF_LSM_SUFFIX)
88#define XATTR_NAME_BPF_LSM_LEN (sizeof(XATTR_NAME_BPF_LSM) - 1)
89
90#define XATTR_POSIX_ACL_ACCESS "posix_acl_access"
91#define XATTR_NAME_POSIX_ACL_ACCESS XATTR_SYSTEM_PREFIX XATTR_POSIX_ACL_ACCESS
92#define XATTR_POSIX_ACL_DEFAULT "posix_acl_default"
93#define XATTR_NAME_POSIX_ACL_DEFAULT XATTR_SYSTEM_PREFIX XATTR_POSIX_ACL_DEFAULT
94
95
96#endif /* _UAPI_LINUX_XATTR_H */