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