xref: /freebsd/lib/libc/posix1e/acl_support.h (revision 57718be8fa0bd5edc11ab9a72e68cc71982939a6)
1 /*-
2  * Copyright (c) 1999, 2000, 2001 Robert N. M. Watson
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 /*
29  * Support functionality for the POSIX.1e ACL interface
30  * These calls are intended only to be called within the library.
31  */
32 #ifndef _ACL_SUPPORT_H
33 #define _ACL_SUPPORT_H
34 
35 #define _POSIX1E_ACL_STRING_PERM_MAXSIZE 3       /* read, write, exec */
36 #define _ACL_T_ALIGNMENT_BITS		13
37 
38 int	_acl_type_unold(acl_type_t type);
39 int	_acl_differs(const acl_t a, const acl_t b);
40 int	_acl_type_not_valid_for_acl(const acl_t acl, acl_type_t type);
41 void	_acl_brand_from_type(acl_t acl, acl_type_t type);
42 int	_acl_brand(const acl_t acl);
43 int	_entry_brand(const acl_entry_t entry);
44 int	_acl_brand_may_be(const acl_t acl, int brand);
45 int	_entry_brand_may_be(const acl_entry_t entry, int brand);
46 void	_acl_brand_as(acl_t acl, int brand);
47 void	_entry_brand_as(const acl_entry_t entry, int brand);
48 int	_nfs4_format_flags(char *str, size_t size, acl_flag_t var, int verbose);
49 int	_nfs4_format_access_mask(char *str, size_t size, acl_perm_t var, int verbose);
50 int	_nfs4_parse_flags(const char *str, acl_flag_t *var);
51 int	_nfs4_parse_access_mask(const char *str, acl_perm_t *var);
52 int	_posix1e_acl_check(acl_t acl);
53 void	_posix1e_acl_sort(acl_t acl);
54 int	_posix1e_acl(acl_t acl, acl_type_t type);
55 int	_posix1e_acl_id_to_name(acl_tag_t tag, uid_t id, ssize_t buf_len,
56 	    char *buf, int flags);
57 int	_posix1e_acl_perm_to_string(acl_perm_t perm, ssize_t buf_len,
58 	    char *buf);
59 int	_posix1e_acl_string_to_perm(char *string, acl_perm_t *perm);
60 int	_posix1e_acl_add_entry(acl_t acl, acl_tag_t tag, uid_t id,
61 	    acl_perm_t perm);
62 char	*string_skip_whitespace(char *string);
63 void	string_trim_trailing_whitespace(char *string);
64 int	_acl_name_to_id(acl_tag_t tag, char *name, uid_t *id);
65 
66 #endif
67