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/*
* Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __XFS_CAP_H__
#define __XFS_CAP_H__
/*
* Capabilities
*/
typedef __uint64_t xfs_cap_value_t;
typedef struct xfs_cap_set {
xfs_cap_value_t cap_effective; /* use in capability checks */
xfs_cap_value_t cap_permitted; /* combined with file attrs */
xfs_cap_value_t cap_inheritable;/* pass through exec */
} xfs_cap_set_t;
/* On-disk XFS extended attribute names */
#define SGI_CAP_FILE "SGI_CAP_FILE"
#define SGI_CAP_FILE_SIZE (sizeof(SGI_CAP_FILE)-1)
#define SGI_CAP_LINUX "SGI_CAP_LINUX"
#define SGI_CAP_LINUX_SIZE (sizeof(SGI_CAP_LINUX)-1)
/*
* For Linux, we take the bitfields directly from capability.h
* and no longer attempt to keep this attribute ondisk compatible
* with IRIX. Since this attribute is only set on executables,
* it just doesn't make much sense to try. We do use a different
* named attribute though, to avoid confusion.
*/
#ifdef __KERNEL__
#ifdef CONFIG_FS_POSIX_CAP
#include <linux/posix_cap_xattr.h>
struct xfs_vnode;
extern int xfs_cap_vhascap(struct xfs_vnode *);
extern int xfs_cap_vset(struct xfs_vnode *, void *, size_t);
extern int xfs_cap_vget(struct xfs_vnode *, void *, size_t);
extern int xfs_cap_vremove(struct xfs_vnode *vp);
#define _CAP_EXISTS xfs_cap_vhascap
#else
#define xfs_cap_vset(v,p,sz) (-EOPNOTSUPP)
#define xfs_cap_vget(v,p,sz) (-EOPNOTSUPP)
#define xfs_cap_vremove(v) (-EOPNOTSUPP)
#define _CAP_EXISTS (NULL)
#endif
#endif /* __KERNEL__ */
#endif /* __XFS_CAP_H__ */