1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
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
31#include <sys/param.h>
32#include <sys/ioctl.h>
33#include <sys/socket.h>
34#include <sys/sockio.h>
35
36#include <net/if.h>
37#include <net/route.h>
38
39#include <stdio.h>
40#include <stdlib.h>
41#include <string.h>
42#include <err.h>
43
44#include "ifconfig.h"
45
46static void
47fib_status(if_ctx *ctx)
48{
49	struct ifreq ifr;
50
51	memset(&ifr, 0, sizeof(ifr));
52	strlcpy(ifr.ifr_name, ctx->ifname, sizeof(ifr.ifr_name));
53	if (ioctl_ctx(ctx, SIOCGIFFIB, (caddr_t)&ifr) == 0 &&
54	    ifr.ifr_fib != RT_DEFAULT_FIB)
55		printf("\tfib: %u\n", ifr.ifr_fib);
56
57	memset(&ifr, 0, sizeof(ifr));
58	strlcpy(ifr.ifr_name, ctx->ifname, sizeof(ifr.ifr_name));
59	if (ioctl_ctx(ctx, SIOCGTUNFIB, (caddr_t)&ifr) == 0 &&
60	    ifr.ifr_fib != RT_DEFAULT_FIB)
61		printf("\ttunnelfib: %u\n", ifr.ifr_fib);
62}
63
64static void
65setiffib(if_ctx *ctx, const char *val, int dummy __unused)
66{
67	struct ifreq ifr = {};
68	unsigned long fib;
69	char *ep;
70
71	fib = strtoul(val, &ep, 0);
72	if (*ep != '\0' || fib > UINT_MAX) {
73		warn("fib %s not valid", val);
74		return;
75	}
76
77	ifr.ifr_fib = fib;
78	if (ioctl_ctx_ifr(ctx, SIOCSIFFIB, &ifr) < 0)
79		warn("ioctl (SIOCSIFFIB)");
80}
81
82static void
83settunfib(if_ctx *ctx, const char *val, int dummy __unused)
84{
85	struct ifreq ifr = {};
86	unsigned long fib;
87	char *ep;
88
89	fib = strtoul(val, &ep, 0);
90	if (*ep != '\0' || fib > UINT_MAX) {
91		warn("fib %s not valid", val);
92		return;
93	}
94
95	ifr.ifr_fib = fib;
96	if (ioctl_ctx_ifr(ctx, SIOCSTUNFIB, &ifr) < 0)
97		warn("ioctl (SIOCSTUNFIB)");
98}
99
100static struct cmd fib_cmds[] = {
101	DEF_CMD_ARG("fib", setiffib),
102	DEF_CMD_ARG("tunnelfib", settunfib),
103};
104
105static struct afswtch af_fib = {
106	.af_name	= "af_fib",
107	.af_af		= AF_UNSPEC,
108	.af_other_status = fib_status,
109};
110
111static __constructor void
112fib_ctor(void)
113{
114	size_t i;
115
116	for (i = 0; i < nitems(fib_cmds);  i++)
117		cmd_register(&fib_cmds[i]);
118	af_register(&af_fib);
119}
120