xref: /freebsd/lib/libc/posix1e/mac_get.c (revision b0d29bc47dba79f6f38e67eabadfb4b32ffd9390)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson
5  * All rights reserved.
6  *
7  * This software was developed by Robert Watson for the TrustedBSD Project.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
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.
17  * 3. The names of the authors may not be used to endorse or promote
18  *    products derived from this software without specific prior written
19  *    permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
36 
37 #include <sys/types.h>
38 #include <sys/mac.h>
39 #include <sys/socket.h>
40 
41 extern int __mac_get_fd(int fd, struct mac *mac_p);
42 extern int __mac_get_file(const char *path_p, struct mac *mac_p);
43 extern int __mac_get_link(const char *path_p, struct mac *mac_p);
44 extern int __mac_get_pid(pid_t pid, struct mac *mac_p);
45 extern int __mac_get_proc(struct mac *mac_p);
46 
47 int
48 mac_get_fd(int fd, struct mac *label)
49 {
50 
51 	return (__mac_get_fd(fd, label));
52 }
53 
54 int
55 mac_get_file(const char *path, struct mac *label)
56 {
57 
58 	return (__mac_get_file(path, label));
59 }
60 
61 int
62 mac_get_link(const char *path, struct mac *label)
63 {
64 
65 	return (__mac_get_link(path, label));
66 }
67 
68 int
69 mac_get_peer(int fd, struct mac *label)
70 {
71 	socklen_t len;
72 
73 	len = sizeof(*label);
74 	return (getsockopt(fd, SOL_SOCKET, SO_PEERLABEL, label, &len));
75 }
76 
77 int
78 mac_get_pid(pid_t pid, struct mac *label)
79 {
80 
81 	return (__mac_get_pid(pid, label));
82 }
83 
84 int
85 mac_get_proc(struct mac *label)
86 {
87 
88 	return (__mac_get_proc(label));
89 }
90