af_ipx.c revision 166956 
1/*
2 * Copyright (c) 1983, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#ifndef lint
31static const char rcsid[] =
32  "$FreeBSD: head/sbin/ifconfig/af_ipx.c 166956 2007-02-24 23:55:46Z sam $";
33#endif /* not lint */
34
35#include <sys/types.h>
36#include <sys/ioctl.h>
37#include <sys/socket.h>
38#include <net/if.h>
39
40#include <err.h>
41#include <stdio.h>
42#include <stdlib.h>
43#include <string.h>
44#include <ifaddrs.h>
45
46#include <net/if_var.h>
47#define	IPXIP
48#define IPTUNNEL
49#include <netipx/ipx.h>
50#include <netipx/ipx_if.h>
51
52#include "ifconfig.h"
53
54static struct ifaliasreq ipx_addreq;
55static struct ifreq ipx_ridreq;
56
57static void
58ipx_status(int s __unused, const struct ifaddrs *ifa)
59{
60	struct sockaddr_ipx *sipx, null_sipx;
61
62	sipx = (struct sockaddr_ipx *)ifa->ifa_addr;
63	if (sipx == NULL)
64		return;
65
66	printf("\tipx %s ", ipx_ntoa(sipx->sipx_addr));
67
68	if (ifa->ifa_flags & IFF_POINTOPOINT) {
69		sipx = (struct sockaddr_ipx *)ifa->ifa_broadaddr;
70		if (sipx == NULL) {
71			memset(&null_sipx, 0, sizeof(null_sipx));
72			sipx = &null_sipx;
73		}
74		printf("--> %s ", ipx_ntoa(sipx->sipx_addr));
75	}
76	putchar('\n');
77}
78
79#define SIPX(x) ((struct sockaddr_ipx *) &(x))
80struct sockaddr_ipx *sipxtab[] = {
81	SIPX(ipx_ridreq.ifr_addr), SIPX(ipx_addreq.ifra_addr),
82	SIPX(ipx_addreq.ifra_mask), SIPX(ipx_addreq.ifra_broadaddr)
83};
84
85static void
86ipx_getaddr(const char *addr, int which)
87{
88	struct sockaddr_ipx *sipx = sipxtab[which];
89
90	sipx->sipx_family = AF_IPX;
91	sipx->sipx_len = sizeof(*sipx);
92	sipx->sipx_addr = ipx_addr(addr);
93	if (which == MASK)
94		printf("Attempt to set IPX netmask will be ineffectual\n");
95}
96
97static void
98ipx_postproc(int s, const struct afswtch *afp)
99{
100	if (setipdst) {
101		struct ipxip_req rq;
102		int size = sizeof(rq);
103
104		rq.rq_ipx = ipx_addreq.ifra_addr;
105		rq.rq_ip = ipx_addreq.ifra_dstaddr;
106
107		if (setsockopt(s, 0, SO_IPXIP_ROUTE, &rq, size) < 0)
108			Perror("Encapsulation Routing");
109	}
110}
111
112static struct afswtch af_ipx = {
113	.af_name	= "ipx",
114	.af_af		= AF_IPX,
115	.af_status	= ipx_status,
116	.af_getaddr	= ipx_getaddr,
117	.af_postproc	= ipx_postproc,
118	.af_difaddr	= SIOCDIFADDR,
119	.af_aifaddr	= SIOCAIFADDR,
120	.af_ridreq	= &ipx_ridreq,
121	.af_addreq	= &ipx_addreq,
122};
123
124static __constructor void
125ipx_ctor(void)
126{
127	af_register(&af_ipx);
128}
129