1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2001 Networks Associates Technology, Inc.
5 * All rights reserved.
6 *
7 * This software was developed for the FreeBSD Project by NAI Labs, the
8 * Security Research Division of Network Associates, Inc. under
9 * DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA
10 * CHATS research program.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 * 3. The name of the author may not be used to endorse or promote
21 *    products derived from this software without specific prior written
22 *    permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * $FreeBSD$
37 */
38
39#include <sys/param.h>
40#include <sys/ioctl.h>
41#include <sys/mac.h>
42#include <sys/socket.h>
43#include <sys/sockio.h>
44
45#include <net/if.h>
46#include <net/route.h>
47
48#include <stdio.h>
49#include <stdlib.h>
50#include <string.h>
51
52#include "ifconfig.h"
53
54static void
55maclabel_status(int s)
56{
57	struct ifreq ifr;
58	mac_t label;
59	char *label_text;
60
61	memset(&ifr, 0, sizeof(ifr));
62	strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
63
64	if (mac_prepare_ifnet_label(&label) == -1)
65		return;
66	ifr.ifr_ifru.ifru_data = (void *)label;
67	if (ioctl(s, SIOCGIFMAC, &ifr) == -1)
68		goto mac_free;
69
70
71	if (mac_to_text(label, &label_text) == -1)
72		goto mac_free;
73
74	if (strlen(label_text) != 0)
75		printf("\tmaclabel %s\n", label_text);
76	free(label_text);
77
78mac_free:
79	mac_free(label);
80}
81
82static void
83setifmaclabel(const char *val, int d, int s, const struct afswtch *rafp)
84{
85	struct ifreq ifr;
86	mac_t label;
87	int error;
88
89	if (mac_from_text(&label, val) == -1) {
90		perror(val);
91		return;
92	}
93
94	memset(&ifr, 0, sizeof(ifr));
95	strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
96	ifr.ifr_ifru.ifru_data = (void *)label;
97
98	error = ioctl(s, SIOCSIFMAC, &ifr);
99	mac_free(label);
100	if (error == -1)
101		perror("setifmac");
102}
103
104static struct cmd mac_cmds[] = {
105	DEF_CMD_ARG("maclabel",	setifmaclabel),
106};
107static struct afswtch af_mac = {
108	.af_name	= "af_maclabel",
109	.af_af		= AF_UNSPEC,
110	.af_other_status = maclabel_status,
111};
112
113static __constructor void
114mac_ctor(void)
115{
116	size_t i;
117
118	for (i = 0; i < nitems(mac_cmds);  i++)
119		cmd_register(&mac_cmds[i]);
120	af_register(&af_mac);
121}
122