xref: /freebsd/lib/libc/posix1e/acl_get.c (revision 515d7c92d3d615e260c93049e2b046aee9be39e8)
1515d7c92SRobert Watson /*-
2515d7c92SRobert Watson  * Copyright (c) 1999 Robert N. M. Watson
3515d7c92SRobert Watson  * All rights reserved.
4515d7c92SRobert Watson  *
5515d7c92SRobert Watson  * Redistribution and use in source and binary forms, with or without
6515d7c92SRobert Watson  * modification, are permitted provided that the following conditions
7515d7c92SRobert Watson  * are met:
8515d7c92SRobert Watson  * 1. Redistributions of source code must retain the above copyright
9515d7c92SRobert Watson  *    notice, this list of conditions and the following disclaimer.
10515d7c92SRobert Watson  * 2. Redistributions in binary form must reproduce the above copyright
11515d7c92SRobert Watson  *    notice, this list of conditions and the following disclaimer in the
12515d7c92SRobert Watson  *    documentation and/or other materials provided with the distribution.
13515d7c92SRobert Watson  *
14515d7c92SRobert Watson  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15515d7c92SRobert Watson  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16515d7c92SRobert Watson  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17515d7c92SRobert Watson  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18515d7c92SRobert Watson  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19515d7c92SRobert Watson  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20515d7c92SRobert Watson  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21515d7c92SRobert Watson  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22515d7c92SRobert Watson  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23515d7c92SRobert Watson  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24515d7c92SRobert Watson  * SUCH DAMAGE.
25515d7c92SRobert Watson  *
26515d7c92SRobert Watson  *	$FreeBSD$
27515d7c92SRobert Watson  */
28515d7c92SRobert Watson /*
29515d7c92SRobert Watson  * acl_get_file - syscall wrapper for retrieving ACL by filename
30515d7c92SRobert Watson  */
31515d7c92SRobert Watson 
32515d7c92SRobert Watson #include <sys/types.h>
33515d7c92SRobert Watson #include <sys/acl.h>
34515d7c92SRobert Watson #include <sys/errno.h>
35515d7c92SRobert Watson #include <stdlib.h>
36515d7c92SRobert Watson 
37515d7c92SRobert Watson acl_t
38515d7c92SRobert Watson acl_get_file(const char *path_p, acl_type_t type)
39515d7c92SRobert Watson {
40515d7c92SRobert Watson 	struct acl	*aclp;
41515d7c92SRobert Watson 	int	error;
42515d7c92SRobert Watson 
43515d7c92SRobert Watson 	aclp = acl_init(MAX_ACL_ENTRIES);
44515d7c92SRobert Watson 	if (!aclp) {
45515d7c92SRobert Watson 		return (0);
46515d7c92SRobert Watson 	}
47515d7c92SRobert Watson 
48515d7c92SRobert Watson 	error = acl_syscall_get_file(path_p, type, aclp);
49515d7c92SRobert Watson 	if (error) {
50515d7c92SRobert Watson 		acl_free(aclp);
51515d7c92SRobert Watson 		return (0);
52515d7c92SRobert Watson 	}
53515d7c92SRobert Watson 
54515d7c92SRobert Watson 	return (aclp);
55515d7c92SRobert Watson }
56515d7c92SRobert Watson 
57515d7c92SRobert Watson 
58515d7c92SRobert Watson acl_t
59515d7c92SRobert Watson acl_get_fd(int fd, acl_type_t type)
60515d7c92SRobert Watson {
61515d7c92SRobert Watson 	struct acl	*aclp;
62515d7c92SRobert Watson 	int	error;
63515d7c92SRobert Watson 
64515d7c92SRobert Watson 	aclp = acl_init(MAX_ACL_ENTRIES);
65515d7c92SRobert Watson 	if (!aclp) {
66515d7c92SRobert Watson 		return (0);
67515d7c92SRobert Watson 	}
68515d7c92SRobert Watson 
69515d7c92SRobert Watson 	error = acl_syscall_get_fd(fd, type, aclp);
70515d7c92SRobert Watson 	if (error) {
71515d7c92SRobert Watson 		acl_free(aclp);
72515d7c92SRobert Watson 		return (0);
73515d7c92SRobert Watson 	}
74515d7c92SRobert Watson 
75515d7c92SRobert Watson 	return (aclp);
76515d7c92SRobert Watson }
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