xref: /freebsd/lib/libc/posix1e/acl_set.c (revision 2de14c39b5bb20fc70ea555ac36fbe165857ac91)
1 /*-
2  * Copyright (c) 1999, 2000, 2001 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  * $FreeBSD$
27  */
28 /*
29  * acl_set_file -- set a file/directory ACL by name
30  */
31 
32 #include <sys/types.h>
33 #include <sys/acl.h>
34 #include <errno.h>
35 
36 #include "acl_support.h"
37 
38 /*
39  * For POSIX.1e-semantic ACLs, do a presort so the kernel doesn't have to
40  * (the POSIX.1e semantic code will reject unsorted ACL submission).  If it's
41  * not a semantic that the library knows about, just submit it flat and
42  * assume the caller knows what they're up to.
43  */
44 int
45 acl_set_file(const char *path_p, acl_type_t type, acl_t acl)
46 {
47 	int	error;
48 
49 	if (_posix1e_acl(acl, type)) {
50 		error = _posix1e_acl_sort(acl);
51 		if (error) {
52 			errno = error;
53 			return (-1);
54 		}
55 	}
56 
57 	return (__acl_set_file(path_p, type, acl));
58 }
59 
60 int
61 acl_set_fd(int fd, acl_t acl)
62 {
63 	int	error;
64 
65 	error = _posix1e_acl_sort(acl);
66 	if (error) {
67 		errno = error;
68 		return(-1);
69 	}
70 
71 	return (__acl_set_fd(fd, ACL_TYPE_ACCESS, acl));
72 }
73 
74 int
75 acl_set_fd_np(int fd, acl_t acl, acl_type_t type)
76 {
77 	int	error;
78 
79 	if (_posix1e_acl(acl, type)) {
80 		error = _posix1e_acl_sort(acl);
81 		if (error) {
82 			errno = error;
83 			return (-1);
84 		}
85 	}
86 
87 	return (__acl_set_fd(fd, type, acl));
88 }
89