154803Srwatson/*- 285845Srwatson * Copyright (c) 1999-2001 Robert N. M. Watson 354803Srwatson * All rights reserved. 454803Srwatson * 585845Srwatson * This software was developed by Robert Watson for the TrustedBSD Project. 685845Srwatson * 754803Srwatson * Redistribution and use in source and binary forms, with or without 854803Srwatson * modification, are permitted provided that the following conditions 954803Srwatson * are met: 1054803Srwatson * 1. Redistributions of source code must retain the above copyright 1154803Srwatson * notice, this list of conditions and the following disclaimer. 1254803Srwatson * 2. Redistributions in binary form must reproduce the above copyright 1354803Srwatson * notice, this list of conditions and the following disclaimer in the 1454803Srwatson * documentation and/or other materials provided with the distribution. 1554803Srwatson * 1654803Srwatson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1754803Srwatson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1854803Srwatson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1954803Srwatson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2054803Srwatson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2154803Srwatson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2254803Srwatson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2354803Srwatson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2454803Srwatson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2554803Srwatson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2654803Srwatson * SUCH DAMAGE. 2754803Srwatson * 2854803Srwatson * $FreeBSD$ 2954803Srwatson */ 3054803Srwatson/* 3185845Srwatson * Developed by the TrustedBSD Project. 3296755Strhodes * Support for extended filesystem attributes. 3354803Srwatson */ 3454803Srwatson 3554803Srwatson#ifndef _SYS_EXTATTR_H_ 3656272Srwatson#define _SYS_EXTATTR_H_ 3774273Srwatson 38160596Srwatson/* 39160596Srwatson * Defined name spaces for extended attributes. Numeric constants are passed 40160596Srwatson * via system calls, but a user-friendly string is also defined. 41160596Srwatson */ 42167010Smckusick#define EXTATTR_NAMESPACE_EMPTY 0x00000000 43167010Smckusick#define EXTATTR_NAMESPACE_EMPTY_STRING "empty" 4474273Srwatson#define EXTATTR_NAMESPACE_USER 0x00000001 4574273Srwatson#define EXTATTR_NAMESPACE_USER_STRING "user" 4674273Srwatson#define EXTATTR_NAMESPACE_SYSTEM 0x00000002 4774273Srwatson#define EXTATTR_NAMESPACE_SYSTEM_STRING "system" 4874273Srwatson 49167010Smckusick/* 50167650Srwatson * The following macro is designed to initialize an array that maps 51167650Srwatson * extended-attribute namespace values to their names, e.g.: 52167650Srwatson * 53167650Srwatson * char *extattr_namespace_names[] = EXTATTR_NAMESPACE_NAMES; 54167010Smckusick */ 55167010Smckusick#define EXTATTR_NAMESPACE_NAMES { \ 56167010Smckusick EXTATTR_NAMESPACE_EMPTY_STRING, \ 57167010Smckusick EXTATTR_NAMESPACE_USER_STRING, \ 58167010Smckusick EXTATTR_NAMESPACE_SYSTEM_STRING } 59167010Smckusick 6056272Srwatson#ifdef _KERNEL 61184413Strasz#include <sys/types.h> 6254803Srwatson 6356272Srwatson#define EXTATTR_MAXNAMELEN NAME_MAX 64102987Sphkstruct thread; 65102987Sphkstruct ucred; 66102987Sphkstruct vnode; 67102987Sphkint extattr_check_cred(struct vnode *vp, int attrnamespace, 68184413Strasz struct ucred *cred, struct thread *td, accmode_t accmode); 6954803Srwatson 7056272Srwatson#else 7156272Srwatson#include <sys/cdefs.h> 7254803Srwatson 7356272Srwatsonstruct iovec; 7454803Srwatson 7556272Srwatson__BEGIN_DECLS 7675038Srwatsonint extattrctl(const char *_path, int _cmd, const char *_filename, 7775038Srwatson int _attrnamespace, const char *_attrname); 7875038Srwatsonint extattr_delete_fd(int _fd, int _attrnamespace, const char *_attrname); 7975038Srwatsonint extattr_delete_file(const char *_path, int _attrnamespace, 8075038Srwatson const char *_attrname); 81104733Srwatsonint extattr_delete_link(const char *_path, int _attrnamespace, 82104733Srwatson const char *_attrname); 8390448Srwatsonssize_t extattr_get_fd(int _fd, int _attrnamespace, const char *_attrname, 8490448Srwatson void *_data, size_t _nbytes); 8590448Srwatsonssize_t extattr_get_file(const char *_path, int _attrnamespace, 8690448Srwatson const char *_attrname, void *_data, size_t _nbytes); 87104733Srwatsonssize_t extattr_get_link(const char *_path, int _attrnamespace, 88104733Srwatson const char *_attrname, void *_data, size_t _nbytes); 89115805Srwatsonssize_t extattr_list_fd(int _fd, int _attrnamespace, void *_data, 90115805Srwatson size_t _nbytes); 91115805Srwatsonssize_t extattr_list_file(const char *_path, int _attrnamespace, void *_data, 92115805Srwatson size_t _nbytes); 93115805Srwatsonssize_t extattr_list_link(const char *_path, int _attrnamespace, void *_data, 94115805Srwatson size_t _nbytes); 95248995Smdfssize_t extattr_set_fd(int _fd, int _attrnamespace, const char *_attrname, 9690448Srwatson const void *_data, size_t _nbytes); 97248995Smdfssize_t extattr_set_file(const char *_path, int _attrnamespace, 9890448Srwatson const char *_attrname, const void *_data, size_t _nbytes); 99248995Smdfssize_t extattr_set_link(const char *_path, int _attrnamespace, 100104733Srwatson const char *_attrname, const void *_data, size_t _nbytes); 10156272Srwatson__END_DECLS 10256272Srwatson 10356272Srwatson#endif /* !_KERNEL */ 10456272Srwatson#endif /* !_SYS_EXTATTR_H_ */ 105