projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| 7b718769 NS |
2 | * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. |
| 3 | * All Rights Reserved. | |
| 1da177e4 | 4 | * |
| 7b718769 NS |
5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as | |
| 1da177e4 LT |
7 | * published by the Free Software Foundation. |
| 8 | * | |
| 7b718769 NS |
9 | * This program is distributed in the hope that it would be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | * GNU General Public License for more details. | |
| 1da177e4 | 13 | * |
| 7b718769 NS |
14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write the Free Software Foundation, | |
| 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 1da177e4 LT |
17 | */ |
| 18 | #ifndef __XFS_CAP_H__ | |
| 19 | #define __XFS_CAP_H__ | |
| 20 | ||
| 21 | /* | |
| 22 | * Capabilities | |
| 23 | */ | |
| 24 | typedef __uint64_t xfs_cap_value_t; | |
| 25 | ||
| 26 | typedef struct xfs_cap_set { | |
| 27 | xfs_cap_value_t cap_effective; /* use in capability checks */ | |
| 28 | xfs_cap_value_t cap_permitted; /* combined with file attrs */ | |
| 29 | xfs_cap_value_t cap_inheritable;/* pass through exec */ | |
| 30 | } xfs_cap_set_t; | |
| 31 | ||
| 32 | /* On-disk XFS extended attribute names */ | |
| 33 | #define SGI_CAP_FILE "SGI_CAP_FILE" | |
| 34 | #define SGI_CAP_FILE_SIZE (sizeof(SGI_CAP_FILE)-1) | |
| 35 | #define SGI_CAP_LINUX "SGI_CAP_LINUX" | |
| 36 | #define SGI_CAP_LINUX_SIZE (sizeof(SGI_CAP_LINUX)-1) | |
| 37 | ||
| 38 | /* | |
| 39 | * For Linux, we take the bitfields directly from capability.h | |
| 40 | * and no longer attempt to keep this attribute ondisk compatible | |
| 41 | * with IRIX. Since this attribute is only set on exectuables, | |
| 42 | * it just doesn't make much sense to try. We do use a different | |
| 43 | * named attribute though, to avoid confusion. | |
| 44 | */ | |
| 45 | ||
| 46 | #ifdef __KERNEL__ | |
| 47 | ||
| 48 | #ifdef CONFIG_FS_POSIX_CAP | |
| 49 | ||
| 50 | #include <linux/posix_cap_xattr.h> | |
| 51 | ||
| 52 | struct vnode; | |
| 53 | ||
| 54 | extern int xfs_cap_vhascap(struct vnode *); | |
| 55 | extern int xfs_cap_vset(struct vnode *, void *, size_t); | |
| 56 | extern int xfs_cap_vget(struct vnode *, void *, size_t); | |
| 57 | extern int xfs_cap_vremove(struct vnode *vp); | |
| 58 | ||
| 59 | #define _CAP_EXISTS xfs_cap_vhascap | |
| 60 | ||
| 61 | #else | |
| 62 | #define xfs_cap_vset(v,p,sz) (-EOPNOTSUPP) | |
| 63 | #define xfs_cap_vget(v,p,sz) (-EOPNOTSUPP) | |
| 64 | #define xfs_cap_vremove(v) (-EOPNOTSUPP) | |
| 65 | #define _CAP_EXISTS (NULL) | |
| 66 | #endif | |
| 67 | ||
| 68 | #endif /* __KERNEL__ */ | |
| 69 | ||
| 70 | #endif /* __XFS_CAP_H__ */ |