2 * Copyright (c) 2001-2002 Chris D. Faulhaber
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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 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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/types.h>
31 #include "namespace.h"
33 #include "un-namespace.h"
39 _perm_is_invalid(acl_perm_t perm)
42 /* Check if more than a single bit is set. */
43 if ((perm & -perm) == perm &&
44 (perm & (ACL_POSIX1E_BITS | ACL_NFS4_PERM_BITS)) == perm)
53 * acl_add_perm() (23.4.1): add the permission contained in perm to the
54 * permission set permset_d
57 acl_add_perm(acl_permset_t permset_d, acl_perm_t perm)
60 if (permset_d == NULL) {
65 if (_perm_is_invalid(perm))
74 * acl_clear_perms() (23.4.3): clear all permisions from the permission
78 acl_clear_perms(acl_permset_t permset_d)
81 if (permset_d == NULL) {
86 *permset_d = ACL_PERM_NONE;
92 * acl_delete_perm() (23.4.10): remove the permission in perm from the
93 * permission set permset_d
96 acl_delete_perm(acl_permset_t permset_d, acl_perm_t perm)
99 if (permset_d == NULL) {
104 if (_perm_is_invalid(perm))
113 acl_get_perm_np(acl_permset_t permset_d, acl_perm_t perm)
116 if (permset_d == NULL) {
121 if (_perm_is_invalid(perm))
124 if (*permset_d & perm)