acl_get.c revision 71142 
1/*-
2 * Copyright (c) 1999 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: head/lib/libc/posix1e/acl_get.c 71142 2001-01-17 02:40:39Z rwatson $
27 */
28/*
29 * acl_get_file - syscall wrapper for retrieving ACL by filename
30 * acl_get_fd - syscall wrapper for retrieving access ACL by fd
31 * acl_get_fd_np - syscall wrapper for retrieving ACL by fd (non-POSIX)
32 */
33
34#include <sys/types.h>
35#include <sys/acl.h>
36#include <sys/errno.h>
37#include <stdlib.h>
38
39acl_t
40acl_get_file(const char *path_p, acl_type_t type)
41{
42	struct acl	*aclp;
43	int	error;
44
45	aclp = acl_init(ACL_MAX_ENTRIES);
46	if (!aclp) {
47		return (NULL);
48	}
49
50	error = __acl_get_file(path_p, type, aclp);
51	if (error) {
52		acl_free(aclp);
53		return (NULL);
54	}
55
56	return (aclp);
57}
58
59acl_t
60acl_get_fd(int fd)
61{
62	struct acl	*aclp;
63	int	error;
64
65	aclp = acl_init(ACL_MAX_ENTRIES);
66	if (!aclp) {
67		return (NULL);
68	}
69
70	error = __acl_get_fd(fd, ACL_TYPE_ACCESS, aclp);
71	if (error) {
72		acl_free(aclp);
73		return (NULL);
74	}
75
76	return (aclp);
77}
78
79acl_t
80acl_get_fd_np(int fd, acl_type_t type)
81{
82	struct acl	*aclp;
83	int	error;
84
85	aclp = acl_init(ACL_MAX_ENTRIES);
86	if (!aclp) {
87		return (NULL);
88	}
89
90	error = __acl_get_fd(fd, type, aclp);
91	if (error) {
92		acl_free(aclp);
93		return (NULL);
94	}
95
96	return (aclp);
97}
98