105 lines
4.0 KiB
C
105 lines
4.0 KiB
C
/*-
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* Copyright (c) 1999-2001 Robert N. M. Watson
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* All rights reserved.
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*
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* This software was developed by Robert Watson for the TrustedBSD Project.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Developed by the TrustedBSD Project.
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* Support for extended filesystem attributes.
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*/
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#ifndef _SYS_EXTATTR_H_
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#define _SYS_EXTATTR_H_
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/*
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* Defined name spaces for extended attributes. Numeric constants are passed
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* via system calls, but a user-friendly string is also defined.
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*/
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#define EXTATTR_NAMESPACE_EMPTY 0x00000000
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#define EXTATTR_NAMESPACE_EMPTY_STRING "empty"
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#define EXTATTR_NAMESPACE_USER 0x00000001
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#define EXTATTR_NAMESPACE_USER_STRING "user"
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#define EXTATTR_NAMESPACE_SYSTEM 0x00000002
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#define EXTATTR_NAMESPACE_SYSTEM_STRING "system"
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/*
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* The following macro is designed to initialize an array that maps
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* extended-attribute namespace values to their names, e.g.:
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*
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* char *extattr_namespace_names[] = EXTATTR_NAMESPACE_NAMES;
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*/
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#define EXTATTR_NAMESPACE_NAMES { \
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EXTATTR_NAMESPACE_EMPTY_STRING, \
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EXTATTR_NAMESPACE_USER_STRING, \
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EXTATTR_NAMESPACE_SYSTEM_STRING }
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#ifdef _KERNEL
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#include <sys/types.h>
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#define EXTATTR_MAXNAMELEN NAME_MAX
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struct thread;
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struct ucred;
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struct vnode;
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int extattr_check_cred(struct vnode *vp, int attrnamespace,
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struct ucred *cred, struct thread *td, accmode_t accmode);
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#else
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#include <sys/cdefs.h>
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struct iovec;
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__BEGIN_DECLS
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int extattrctl(const char *_path, int _cmd, const char *_filename,
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int _attrnamespace, const char *_attrname);
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int extattr_delete_fd(int _fd, int _attrnamespace, const char *_attrname);
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int extattr_delete_file(const char *_path, int _attrnamespace,
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const char *_attrname);
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int extattr_delete_link(const char *_path, int _attrnamespace,
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const char *_attrname);
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ssize_t extattr_get_fd(int _fd, int _attrnamespace, const char *_attrname,
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void *_data, size_t _nbytes);
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ssize_t extattr_get_file(const char *_path, int _attrnamespace,
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const char *_attrname, void *_data, size_t _nbytes);
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ssize_t extattr_get_link(const char *_path, int _attrnamespace,
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const char *_attrname, void *_data, size_t _nbytes);
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ssize_t extattr_list_fd(int _fd, int _attrnamespace, void *_data,
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size_t _nbytes);
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ssize_t extattr_list_file(const char *_path, int _attrnamespace, void *_data,
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size_t _nbytes);
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ssize_t extattr_list_link(const char *_path, int _attrnamespace, void *_data,
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size_t _nbytes);
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ssize_t extattr_set_fd(int _fd, int _attrnamespace, const char *_attrname,
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const void *_data, size_t _nbytes);
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ssize_t extattr_set_file(const char *_path, int _attrnamespace,
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const char *_attrname, const void *_data, size_t _nbytes);
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ssize_t extattr_set_link(const char *_path, int _attrnamespace,
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const char *_attrname, const void *_data, size_t _nbytes);
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__END_DECLS
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#endif /* !_KERNEL */
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#endif /* !_SYS_EXTATTR_H_ */
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