freebsd-skq/sys/sys/extattr.h
trasz 0ad8692247 Introduce accmode_t. This is required for NFSv4 ACLs - it will be neccessary
to add more V* constants, and the variables changed by this patch were often
being assigned to mode_t variables, which is 16 bit.

Approved by:	rwatson (mentor)
2008-10-28 13:44:11 +00:00

105 lines
4.0 KiB
C

/*-
* 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.
*
* $FreeBSD$
*/
/*
* Developed by the TrustedBSD Project.
* Support for extended filesystem attributes.
*/
#ifndef _SYS_EXTATTR_H_
#define _SYS_EXTATTR_H_
/*
* Defined name spaces for extended attributes. Numeric constants are passed
* via system calls, but a user-friendly string is also defined.
*/
#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 }
#ifdef _KERNEL
#include <sys/types.h>
#define EXTATTR_MAXNAMELEN NAME_MAX
struct thread;
struct ucred;
struct vnode;
int extattr_check_cred(struct vnode *vp, int attrnamespace,
struct ucred *cred, struct thread *td, accmode_t accmode);
#else
#include <sys/cdefs.h>
struct iovec;
__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);
__END_DECLS
#endif /* !_KERNEL */
#endif /* !_SYS_EXTATTR_H_ */