include/uapi/linux/xattr.h

   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
  25 struct xattr_args {
  26         __aligned_u64 __user 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_POSIX_ACL_ACCESS  "posix_acl_access"
  87 #define XATTR_NAME_POSIX_ACL_ACCESS XATTR_SYSTEM_PREFIX XATTR_POSIX_ACL_ACCESS
  88 #define XATTR_POSIX_ACL_DEFAULT  "posix_acl_default"
  89 #define XATTR_NAME_POSIX_ACL_DEFAULT XATTR_SYSTEM_PREFIX XATTR_POSIX_ACL_DEFAULT
  90
  91
  92 #endif /* _UAPI_LINUX_XATTR_H */