1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2011 Alexander V. Chernikov
5 * Copyright (c) 2011 Christian S.J. Peron
6 * Copyright (c) 2011 Bjoern A. Zeeb
7 * All rights reserved.
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 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD$
31 */
32
33#include <sys/param.h>
34#include <sys/ioctl.h>
35#include <sys/socket.h>
36#include <sys/sockio.h>
37
38#include <net/if.h>
39#include <net/route.h>
40
41#include <stdio.h>
42#include <stdlib.h>
43#include <string.h>
44#include <err.h>
45
46#include "ifconfig.h"
47
48static void
49fib_status(int s)
50{
51	struct ifreq ifr;
52
53	memset(&ifr, 0, sizeof(ifr));
54	strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
55	if (ioctl(s, SIOCGIFFIB, (caddr_t)&ifr) == 0 &&
56	    ifr.ifr_fib != RT_DEFAULT_FIB)
57		printf("\tfib: %u\n", ifr.ifr_fib);
58
59	memset(&ifr, 0, sizeof(ifr));
60	strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
61	if (ioctl(s, SIOCGTUNFIB, (caddr_t)&ifr) == 0 &&
62	    ifr.ifr_fib != RT_DEFAULT_FIB)
63		printf("\ttunnelfib: %u\n", ifr.ifr_fib);
64}
65
66static void
67setiffib(const char *val, int dummy __unused, int s,
68    const struct afswtch *afp)
69{
70	unsigned long fib;
71	char *ep;
72
73	fib = strtoul(val, &ep, 0);
74	if (*ep != '\0' || fib > UINT_MAX) {
75		warn("fib %s not valid", val);
76		return;
77	}
78
79	strlcpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
80	ifr.ifr_fib = fib;
81	if (ioctl(s, SIOCSIFFIB, (caddr_t)&ifr) < 0)
82		warn("ioctl (SIOCSIFFIB)");
83}
84
85static void
86settunfib(const char *val, int dummy __unused, int s,
87    const struct afswtch *afp)
88{
89	unsigned long fib;
90	char *ep;
91
92	fib = strtoul(val, &ep, 0);
93	if (*ep != '\0' || fib > UINT_MAX) {
94		warn("fib %s not valid", val);
95		return;
96	}
97
98	strlcpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
99	ifr.ifr_fib = fib;
100	if (ioctl(s, SIOCSTUNFIB, (caddr_t)&ifr) < 0)
101		warn("ioctl (SIOCSTUNFIB)");
102}
103
104static struct cmd fib_cmds[] = {
105	DEF_CMD_ARG("fib", setiffib),
106	DEF_CMD_ARG("tunnelfib", settunfib),
107};
108
109static struct afswtch af_fib = {
110	.af_name	= "af_fib",
111	.af_af		= AF_UNSPEC,
112	.af_other_status = fib_status,
113};
114
115static __constructor void
116fib_ctor(void)
117{
118	size_t i;
119
120	for (i = 0; i < nitems(fib_cmds);  i++)
121		cmd_register(&fib_cmds[i]);
122	af_register(&af_fib);
123}
124