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      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 
     40 int	_acl_type_unold(acl_type_t type);
     41 int	_acl_differs(const acl_t a, const acl_t b);
     42 int	_acl_type_not_valid_for_acl(const acl_t acl, acl_type_t type);
     43 void	_acl_brand_from_type(acl_t acl, acl_type_t type);
     44 int	_acl_brand(const acl_t acl);
     45 int	_entry_brand(const acl_entry_t entry);
     46 int	_acl_brand_may_be(const acl_t acl, int brand);
     47 int	_entry_brand_may_be(const acl_entry_t entry, int brand);
     48 void	_acl_brand_as(acl_t acl, int brand);
     49 void	_entry_brand_as(const acl_entry_t entry, int brand);
     50 int	_nfs4_acl_entry_from_text(acl_t, char *);
     51 char	*_nfs4_acl_to_text_np(const acl_t, ssize_t *, int);
     52 int	_nfs4_format_flags(char *str, size_t size, acl_flag_t var, int verbose);
     53 int	_nfs4_format_access_mask(char *str, size_t size, acl_perm_t var, int verbose);
     54 int	_nfs4_parse_flags(const char *str, acl_flag_t *var);
     55 int	_nfs4_parse_access_mask(const char *str, acl_perm_t *var);
     56 int	_posix1e_acl_check(acl_t acl);
     57 void	_posix1e_acl_sort(acl_t acl);
     58 int	_posix1e_acl(acl_t acl, acl_type_t type);
     59 int	_posix1e_acl_id_to_name(acl_tag_t tag, uid_t id, ssize_t buf_len,
     60 	    char *buf, int flags);
     61 int	_posix1e_acl_perm_to_string(acl_perm_t perm, ssize_t buf_len,
     62 	    char *buf);
     63 int	_posix1e_acl_string_to_perm(char *string, acl_perm_t *perm);
     64 int	_posix1e_acl_add_entry(acl_t acl, acl_tag_t tag, uid_t id,
     65 	    acl_perm_t perm);
     66 char	*string_skip_whitespace(char *string);
     67 void	string_trim_trailing_whitespace(char *string);
     68 int	_acl_name_to_id(acl_tag_t tag, char *name, uid_t *id);
     69 int	_text_could_be_nfs4_acl(const char *entry);
     70 
     71 #endif
     72