| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms of version 2 of the GNU General Public License as |
| 6 | * published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it would be useful, but |
| 9 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| 11 | * |
| 12 | * Further, this software is distributed without any warranty that it is |
| 13 | * free of the rightful claim of any third person regarding infringement |
| 14 | * or the like. Any license provided herein, whether implied or |
| 15 | * otherwise, applies only to this software file. Patent licenses, if |
| 16 | * any, provided herein do not apply to combinations of this program with |
| 17 | * other software, or any other product whatsoever. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License along |
| 20 | * with this program; if not, write the Free Software Foundation, Inc., 59 |
| 21 | * Temple Place - Suite 330, Boston MA 02111-1307, USA. |
| 22 | * |
| 23 | * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, |
| 24 | * Mountain View, CA 94043, or: |
| 25 | * |
| 26 | * http://www.sgi.com |
| 27 | * |
| 28 | * For further information regarding this notice, see: |
| 29 | * |
| 30 | * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ |
| 31 | */ |
| 32 | #ifndef __XFS_CAP_H__ |
| 33 | #define __XFS_CAP_H__ |
| 34 | |
| 35 | /* |
| 36 | * Capabilities |
| 37 | */ |
| 38 | typedef __uint64_t xfs_cap_value_t; |
| 39 | |
| 40 | typedef struct xfs_cap_set { |
| 41 | xfs_cap_value_t cap_effective; /* use in capability checks */ |
| 42 | xfs_cap_value_t cap_permitted; /* combined with file attrs */ |
| 43 | xfs_cap_value_t cap_inheritable;/* pass through exec */ |
| 44 | } xfs_cap_set_t; |
| 45 | |
| 46 | /* On-disk XFS extended attribute names */ |
| 47 | #define SGI_CAP_FILE "SGI_CAP_FILE" |
| 48 | #define SGI_CAP_FILE_SIZE (sizeof(SGI_CAP_FILE)-1) |
| 49 | #define SGI_CAP_LINUX "SGI_CAP_LINUX" |
| 50 | #define SGI_CAP_LINUX_SIZE (sizeof(SGI_CAP_LINUX)-1) |
| 51 | |
| 52 | /* |
| 53 | * For Linux, we take the bitfields directly from capability.h |
| 54 | * and no longer attempt to keep this attribute ondisk compatible |
| 55 | * with IRIX. Since this attribute is only set on exectuables, |
| 56 | * it just doesn't make much sense to try. We do use a different |
| 57 | * named attribute though, to avoid confusion. |
| 58 | */ |
| 59 | |
| 60 | #ifdef __KERNEL__ |
| 61 | |
| 62 | #ifdef CONFIG_FS_POSIX_CAP |
| 63 | |
| 64 | #include <linux/posix_cap_xattr.h> |
| 65 | |
| 66 | struct vnode; |
| 67 | |
| 68 | extern int xfs_cap_vhascap(struct vnode *); |
| 69 | extern int xfs_cap_vset(struct vnode *, void *, size_t); |
| 70 | extern int xfs_cap_vget(struct vnode *, void *, size_t); |
| 71 | extern int xfs_cap_vremove(struct vnode *vp); |
| 72 | |
| 73 | #define _CAP_EXISTS xfs_cap_vhascap |
| 74 | |
| 75 | #else |
| 76 | #define xfs_cap_vset(v,p,sz) (-EOPNOTSUPP) |
| 77 | #define xfs_cap_vget(v,p,sz) (-EOPNOTSUPP) |
| 78 | #define xfs_cap_vremove(v) (-EOPNOTSUPP) |
| 79 | #define _CAP_EXISTS (NULL) |
| 80 | #endif |
| 81 | |
| 82 | #endif /* __KERNEL__ */ |
| 83 | |
| 84 | #endif /* __XFS_CAP_H__ */ |