85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
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/*
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* Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*
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* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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* Mountain View, CA 94043, or:
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*
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* http://www.sgi.com
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*
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* For further information regarding this notice, see:
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*
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* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
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*/
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#ifndef __XFS_CAP_H__
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#define __XFS_CAP_H__
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/*
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* Capabilities
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*/
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typedef __uint64_t xfs_cap_value_t;
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typedef struct xfs_cap_set {
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xfs_cap_value_t cap_effective; /* use in capability checks */
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xfs_cap_value_t cap_permitted; /* combined with file attrs */
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xfs_cap_value_t cap_inheritable;/* pass through exec */
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} xfs_cap_set_t;
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/* On-disk XFS extended attribute names */
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#define SGI_CAP_FILE "SGI_CAP_FILE"
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#define SGI_CAP_FILE_SIZE (sizeof(SGI_CAP_FILE)-1)
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#define SGI_CAP_LINUX "SGI_CAP_LINUX"
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#define SGI_CAP_LINUX_SIZE (sizeof(SGI_CAP_LINUX)-1)
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/*
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* For Linux, we take the bitfields directly from capability.h
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* and no longer attempt to keep this attribute ondisk compatible
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* with IRIX. Since this attribute is only set on exectuables,
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* it just doesn't make much sense to try. We do use a different
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* named attribute though, to avoid confusion.
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*/
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#ifdef __KERNEL__
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#ifdef CONFIG_FS_POSIX_CAP
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#include <linux/posix_cap_xattr.h>
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struct xfs_vnode;
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extern int xfs_cap_vhascap(struct xfs_vnode *);
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extern int xfs_cap_vset(struct xfs_vnode *, void *, size_t);
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extern int xfs_cap_vget(struct xfs_vnode *, void *, size_t);
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extern int xfs_cap_vremove(struct xfs_vnode *vp);
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#define _CAP_EXISTS xfs_cap_vhascap
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#else
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#define xfs_cap_vset(v,p,sz) (-EOPNOTSUPP)
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#define xfs_cap_vget(v,p,sz) (-EOPNOTSUPP)
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#define xfs_cap_vremove(v) (-EOPNOTSUPP)
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#define _CAP_EXISTS (NULL)
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#endif
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#endif /* __KERNEL__ */
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#endif /* __XFS_CAP_H__ */
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