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/* $NetBSD: extattr.h,v 1.11 2021/06/19 13:56:34 christos Exp $ */
/*-
* Copyright (c) 1999-2001 Robert N. M. Watson
* All rights reserved.
*
* This software was developed by Robert Watson for the TrustedBSD Project.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* FreeBSD: src/sys/sys/extattr.h,v 1.12 2003/06/04 04:04:24 rwatson Exp
*/
/*
* Support for file system extended attributes. Originally developed by
* the TrustedBSD Project. For a Linux-compatible interface to the same
* subsystem, see <sys/xattr.h>.
*/
#ifndef _SYS_EXTATTR_H_
#define _SYS_EXTATTR_H_
#include <sys/types.h>
#define EXTATTR_NAMESPACE_EMPTY 0x00000000
#define EXTATTR_NAMESPACE_EMPTY_STRING "empty"
#define EXTATTR_NAMESPACE_USER 0x00000001
#define EXTATTR_NAMESPACE_USER_STRING "user"
#define EXTATTR_NAMESPACE_SYSTEM 0x00000002
#define EXTATTR_NAMESPACE_SYSTEM_STRING "system"
/*
* The following macro is designed to initialize an array that maps
* extended-attribute namespace values to their names, e.g.:
*
* char *extattr_namespace_names[] = EXTATTR_NAMESPACE_NAMES;
*/
#define EXTATTR_NAMESPACE_NAMES { \
EXTATTR_NAMESPACE_EMPTY_STRING, \
EXTATTR_NAMESPACE_USER_STRING, \
EXTATTR_NAMESPACE_SYSTEM_STRING, \
}
#define EXTATTR_MAXNAMELEN KERNEL_NAME_MAX
/* for sys_extattrctl */
#define EXTATTR_CMD_START 0x00000001
#define EXTATTR_CMD_STOP 0x00000002
#ifdef _KERNEL
#include <sys/param.h>
/* VOP_LISTEXTATTR flags */
#define EXTATTR_LIST_LENPREFIX 1 /* names with length prefix */
struct lwp;
struct vnode;
int extattr_check_cred(struct vnode *, int, kauth_cred_t, int);
#else
#include <sys/cdefs.h>
__BEGIN_DECLS
int extattrctl(const char *_path, int _cmd, const char *_filename,
int _attrnamespace, const char *_attrname);
int extattr_delete_fd(int _fd, int _attrnamespace, const char *_attrname);
int extattr_delete_file(const char *_path, int _attrnamespace,
const char *_attrname);
int extattr_delete_link(const char *_path, int _attrnamespace,
const char *_attrname);
ssize_t extattr_get_fd(int _fd, int _attrnamespace, const char *_attrname,
void *_data, size_t _nbytes);
ssize_t extattr_get_file(const char *_path, int _attrnamespace,
const char *_attrname, void *_data, size_t _nbytes);
ssize_t extattr_get_link(const char *_path, int _attrnamespace,
const char *_attrname, void *_data, size_t _nbytes);
ssize_t extattr_list_fd(int _fd, int _attrnamespace, void *_data,
size_t _nbytes);
ssize_t extattr_list_file(const char *_path, int _attrnamespace, void *_data,
size_t _nbytes);
ssize_t extattr_list_link(const char *_path, int _attrnamespace, void *_data,
size_t _nbytes);
int extattr_set_fd(int _fd, int _attrnamespace, const char *_attrname,
const void *_data, size_t _nbytes);
int extattr_set_file(const char *_path, int _attrnamespace,
const char *_attrname, const void *_data, size_t _nbytes);
int extattr_set_link(const char *_path, int _attrnamespace,
const char *_attrname, const void *_data, size_t _nbytes);
extern const int extattr_namespaces[];
int extattr_namespace_to_string(int, char **);
int extattr_string_to_namespace(const char *, int *);
int extattr_copy_fd(int _from_fd, int _to_fd, int _namespace);
int extattr_copy_file(const char *_from, const char *_to, int _namespace);
int extattr_copy_link(const char *_from, const char *_to, int _namespace);
int fcpxattr(int _from_fd, int _to_fd);
int cpxattr(const char *_from, const char *_to);
int lcpxattr(const char *_from, const char *_to);
__END_DECLS
#endif /* !_KERNEL */
#endif /* !_SYS_EXTATTR_H_ */
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