1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1999, 2000, 2001 Robert N. M. Watson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: head/lib/libc/posix1e/acl_support.h 326193 2017-11-25 17:12:48Z pfg $
29 */
30/*
31 * Support functionality for the POSIX.1e ACL interface
32 * These calls are intended only to be called within the library.
33 */
34#ifndef _ACL_SUPPORT_H
35#define _ACL_SUPPORT_H
36
37#define _POSIX1E_ACL_STRING_PERM_MAXSIZE 3       /* read, write, exec */
38#define _ACL_T_ALIGNMENT_BITS		13
39
40int	_acl_type_unold(acl_type_t type);
41int	_acl_differs(const acl_t a, const acl_t b);
42int	_acl_type_not_valid_for_acl(const acl_t acl, acl_type_t type);
43void	_acl_brand_from_type(acl_t acl, acl_type_t type);
44int	_acl_brand(const acl_t acl);
45int	_entry_brand(const acl_entry_t entry);
46int	_acl_brand_may_be(const acl_t acl, int brand);
47int	_entry_brand_may_be(const acl_entry_t entry, int brand);
48void	_acl_brand_as(acl_t acl, int brand);
49void	_entry_brand_as(const acl_entry_t entry, int brand);
50int	_nfs4_acl_entry_from_text(acl_t, char *);
51char	*_nfs4_acl_to_text_np(const acl_t, ssize_t *, int);
52int	_nfs4_format_flags(char *str, size_t size, acl_flag_t var, int verbose);
53int	_nfs4_format_access_mask(char *str, size_t size, acl_perm_t var, int verbose);
54int	_nfs4_parse_flags(const char *str, acl_flag_t *var);
55int	_nfs4_parse_access_mask(const char *str, acl_perm_t *var);
56int	_posix1e_acl_check(acl_t acl);
57void	_posix1e_acl_sort(acl_t acl);
58int	_posix1e_acl(acl_t acl, acl_type_t type);
59int	_posix1e_acl_id_to_name(acl_tag_t tag, uid_t id, ssize_t buf_len,
60	    char *buf, int flags);
61int	_posix1e_acl_perm_to_string(acl_perm_t perm, ssize_t buf_len,
62	    char *buf);
63int	_posix1e_acl_string_to_perm(char *string, acl_perm_t *perm);
64int	_posix1e_acl_add_entry(acl_t acl, acl_tag_t tag, uid_t id,
65	    acl_perm_t perm);
66char	*string_skip_whitespace(char *string);
67void	string_trim_trailing_whitespace(char *string);
68int	_acl_name_to_id(acl_tag_t tag, char *name, uid_t *id);
69int	_text_could_be_nfs4_acl(const char *entry);
70
71#endif
72