2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson
7 * This software was developed by Robert Watson for the TrustedBSD Project.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
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.
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
31 * acl_set_file -- set a file/directory ACL by name
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
37 #include <sys/types.h>
38 #include "namespace.h"
40 #include "un-namespace.h"
47 #include "acl_support.h"
50 * For POSIX.1e-semantic ACLs, do a presort so the kernel doesn't have to
51 * (the POSIX.1e semantic code will reject unsorted ACL submission). If it's
52 * not a semantic that the library knows about, just submit it flat and
53 * assume the caller knows what they're up to.
56 acl_set_file(const char *path_p, acl_type_t type, acl_t acl)
59 if (acl == NULL || path_p == NULL) {
63 type = _acl_type_unold(type);
64 if (_acl_type_not_valid_for_acl(acl, type)) {
68 if (_posix1e_acl(acl, type))
69 _posix1e_acl_sort(acl);
71 acl->ats_cur_entry = 0;
73 return (__acl_set_file(path_p, type, &acl->ats_acl));
77 acl_set_link_np(const char *path_p, acl_type_t type, acl_t acl)
80 if (acl == NULL || path_p == NULL) {
84 type = _acl_type_unold(type);
85 if (_acl_type_not_valid_for_acl(acl, type)) {
89 if (_posix1e_acl(acl, type))
90 _posix1e_acl_sort(acl);
92 acl->ats_cur_entry = 0;
94 return (__acl_set_link(path_p, type, &acl->ats_acl));
98 acl_set_fd(int fd, acl_t acl)
101 if (fpathconf(fd, _PC_ACL_NFS4) == 1)
102 return (acl_set_fd_np(fd, acl, ACL_TYPE_NFS4));
104 return (acl_set_fd_np(fd, acl, ACL_TYPE_ACCESS));
108 acl_set_fd_np(int fd, acl_t acl, acl_type_t type)
115 type = _acl_type_unold(type);
116 if (_acl_type_not_valid_for_acl(acl, type)) {
120 if (_posix1e_acl(acl, type))
121 _posix1e_acl_sort(acl);
123 acl->ats_cur_entry = 0;
125 return (___acl_set_fd(fd, type, &acl->ats_acl));
129 * acl_set_permset() (23.4.23): sets the permissions of ACL entry entry_d
130 * with the permissions in permset_d
133 acl_set_permset(acl_entry_t entry_d, acl_permset_t permset_d)
141 if ((*permset_d & ACL_POSIX1E_BITS) != *permset_d) {
142 if ((*permset_d & ACL_NFS4_PERM_BITS) != *permset_d) {
146 if (!_entry_brand_may_be(entry_d, ACL_BRAND_NFS4)) {
150 _entry_brand_as(entry_d, ACL_BRAND_NFS4);
153 entry_d->ae_perm = *permset_d;
159 * acl_set_qualifier() sets the qualifier (ae_id) of the tag for
160 * ACL entry entry_d to the value referred to by tag_qualifier_p
163 acl_set_qualifier(acl_entry_t entry_d, const void *tag_qualifier_p)
166 if (!entry_d || !tag_qualifier_p) {
170 switch(entry_d->ae_tag) {
173 entry_d->ae_id = *(uid_t *)tag_qualifier_p;
184 * acl_set_tag_type() sets the tag type for ACL entry entry_d to the
188 acl_set_tag_type(acl_entry_t entry_d, acl_tag_t tag_type)
191 if (entry_d == NULL) {
199 if (!_entry_brand_may_be(entry_d, ACL_BRAND_POSIX)) {
203 _entry_brand_as(entry_d, ACL_BRAND_POSIX);
206 if (!_entry_brand_may_be(entry_d, ACL_BRAND_NFS4)) {
210 _entry_brand_as(entry_d, ACL_BRAND_NFS4);
222 entry_d->ae_tag = tag_type;
231 acl_set_entry_type_np(acl_entry_t entry_d, acl_entry_type_t entry_type)
234 if (entry_d == NULL) {
238 if (!_entry_brand_may_be(entry_d, ACL_BRAND_NFS4)) {
242 _entry_brand_as(entry_d, ACL_BRAND_NFS4);
244 switch (entry_type) {
245 case ACL_ENTRY_TYPE_ALLOW:
246 case ACL_ENTRY_TYPE_DENY:
247 case ACL_ENTRY_TYPE_AUDIT:
248 case ACL_ENTRY_TYPE_ALARM:
249 entry_d->ae_entry_type = entry_type;