1/* $NetBSD: extattr.h,v 1.9 2012/03/13 18:41:02 elad Exp $ */
2
3/*-
4 * Copyright (c) 1999-2001 Robert N. M. Watson
5 * All rights reserved.
6 *
7 * This software was developed by Robert Watson for the TrustedBSD Project.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * FreeBSD: src/sys/sys/extattr.h,v 1.12 2003/06/04 04:04:24 rwatson Exp
31 */
32
33/*
34 * Support for file system extended attributes. Originally developed by
35 * the TrustedBSD Project. For a Linux-compatible interface to the same
36 * subsystem, see <sys/xattr.h>.
37 */
38
39#ifndef _SYS_EXTATTR_H_
40#define _SYS_EXTATTR_H_
41
42#include <sys/types.h>
43
44#define EXTATTR_NAMESPACE_USER 0x00000001
45#define EXTATTR_NAMESPACE_USER_STRING "user"
46#define EXTATTR_NAMESPACE_SYSTEM 0x00000002
47#define EXTATTR_NAMESPACE_SYSTEM_STRING "system"
48
49/* for sys_extattrctl */
50#define EXTATTR_CMD_START 0x00000001
51#define EXTATTR_CMD_STOP 0x00000002
52
53#ifdef _KERNEL
54
55#include <sys/param.h>
56
57/* VOP_LISTEXTATTR flags */
58#define EXTATTR_LIST_LENPREFIX 1 /* names with length prefix */
59
60#define EXTATTR_MAXNAMELEN KERNEL_NAME_MAX
61struct lwp;
62struct vnode;
63int extattr_check_cred(struct vnode *, const char *, kauth_cred_t, int);
64
65#else
66
67#include <sys/cdefs.h>
68__BEGIN_DECLS
69int extattrctl(const char *_path, int _cmd, const char *_filename,
70 int _attrnamespace, const char *_attrname);
71
72int extattr_delete_fd(int _fd, int _attrnamespace, const char *_attrname);
73int extattr_delete_file(const char *_path, int _attrnamespace,
74 const char *_attrname);
75int extattr_delete_link(const char *_path, int _attrnamespace,
76 const char *_attrname);
77ssize_t extattr_get_fd(int _fd, int _attrnamespace, const char *_attrname,
78 void *_data, size_t _nbytes);
79ssize_t extattr_get_file(const char *_path, int _attrnamespace,
80 const char *_attrname, void *_data, size_t _nbytes);
81ssize_t extattr_get_link(const char *_path, int _attrnamespace,
82 const char *_attrname, void *_data, size_t _nbytes);
83ssize_t extattr_list_fd(int _fd, int _attrnamespace, void *_data,
84 size_t _nbytes);
85ssize_t extattr_list_file(const char *_path, int _attrnamespace, void *_data,
86 size_t _nbytes);
87ssize_t extattr_list_link(const char *_path, int _attrnamespace, void *_data,
88 size_t _nbytes);
89int extattr_set_fd(int _fd, int _attrnamespace, const char *_attrname,
90 const void *_data, size_t _nbytes);
91int extattr_set_file(const char *_path, int _attrnamespace,
92 const char *_attrname, const void *_data, size_t _nbytes);
93int extattr_set_link(const char *_path, int _attrnamespace,
94 const char *_attrname, const void *_data, size_t _nbytes);
95
96extern const int extattr_namespaces[];
97
98int extattr_namespace_to_string(int, char **);
99int extattr_string_to_namespace(const char *, int *);
100int extattr_copy_fd(int _from_fd, int _to_fd, int _namespace);
101int extattr_copy_file(const char *_from, const char *_to, int _namespace);
102int extattr_copy_link(const char *_from, const char *_to, int _namespace);
103
104int fcpxattr(int _from_fd, int _to_fd);
105int cpxattr(const char *_from, const char *_to);
106int lcpxattr(const char *_from, const char *_to);
107__END_DECLS
108
109#endif /* !_KERNEL */
110#endif /* !_SYS_EXTATTR_H_ */
111