2 * Copyright (c) 1995, Mike Mitchell
3 * Copyright (c) 1984, 1985, 1986, 1987, 1993
4 * The Regents of the University of California. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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
36 * $FreeBSD: src/sys/netipx/ipx.c,v 1.17.2.3 2003/04/04 09:35:43 tjr Exp $
37 * $DragonFly: src/sys/netproto/ipx/ipx.c,v 1.15 2008/03/07 11:34:21 sephe Exp $
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/malloc.h>
43 #include <sys/sockio.h>
46 #include <sys/socket.h>
47 #include <sys/thread2.h>
50 #include <net/route.h>
56 struct ipx_ifaddr *ipx_ifaddr;
58 static void ipx_ifscrub(struct ifnet *ifp, struct ipx_ifaddr *ia);
59 static int ipx_ifinit(struct ifnet *ifp, struct ipx_ifaddr *ia,
60 struct sockaddr_ipx *sipx, int scrub);
63 * Generic internet control operations (ioctl's).
66 ipx_control(struct socket *so, u_long cmd, caddr_t data,
67 struct ifnet *ifp, struct thread *td)
69 struct ifreq *ifr = (struct ifreq *)data;
70 struct ipx_aliasreq *ifra = (struct ipx_aliasreq *)data;
71 struct ipx_ifaddr *ia;
73 struct ipx_ifaddr *oia;
74 int dstIsNew, hostIsNew;
78 * Find address for this interface, if it exists.
81 return (EADDRNOTAVAIL);
82 for (ia = ipx_ifaddr; ia != NULL; ia = ia->ia_next)
83 if (ia->ia_ifp == ifp)
90 return (EADDRNOTAVAIL);
91 *(struct sockaddr_ipx *)&ifr->ifr_addr = ia->ia_addr;
96 return (EADDRNOTAVAIL);
97 if ((ifp->if_flags & IFF_BROADCAST) == 0)
99 *(struct sockaddr_ipx *)&ifr->ifr_dstaddr = ia->ia_broadaddr;
104 return (EADDRNOTAVAIL);
105 if ((ifp->if_flags & IFF_POINTOPOINT) == 0)
107 *(struct sockaddr_ipx *)&ifr->ifr_dstaddr = ia->ia_dstaddr;
111 if ((error = priv_check(td, PRIV_ROOT)) != 0)
117 if (ifra->ifra_addr.sipx_family == AF_IPX)
118 for (oia = ia; ia != NULL; ia = ia->ia_next) {
119 if (ia->ia_ifp == ifp &&
120 ipx_neteq(ia->ia_addr.sipx_addr,
121 ifra->ifra_addr.sipx_addr))
124 if (cmd == SIOCDIFADDR && ia == NULL)
125 return (EADDRNOTAVAIL);
131 oia = ifa_create(sizeof(*ia), M_WAITOK);
132 if ((ia = ipx_ifaddr) != NULL) {
133 for ( ; ia->ia_next != NULL; ia = ia->ia_next)
139 ifa = (struct ifaddr *)ia;
140 ifa_iflink(ifa, ifp, 1);
142 ifa->ifa_addr = (struct sockaddr *)&ia->ia_addr;
144 ifa->ifa_netmask = (struct sockaddr *)&ipx_netmask;
146 ifa->ifa_dstaddr = (struct sockaddr *)&ia->ia_dstaddr;
147 if (ifp->if_flags & IFF_BROADCAST) {
148 ia->ia_broadaddr.sipx_family = AF_IPX;
149 ia->ia_broadaddr.sipx_len = sizeof(ia->ia_addr);
150 ia->ia_broadaddr.sipx_addr.x_host = ipx_broadhost;
158 if ((ifp->if_flags & IFF_POINTOPOINT) == 0)
160 if (ia->ia_flags & IFA_ROUTE) {
161 rtinit(&(ia->ia_ifa), (int)RTM_DELETE, RTF_HOST);
162 ia->ia_flags &= ~IFA_ROUTE;
165 ifnet_serialize_all(ifp);
166 error = ifp->if_ioctl(ifp, SIOCSIFDSTADDR,
167 (void *)ia, td->td_proc->p_ucred);
168 ifnet_deserialize_all(ifp);
172 *(struct sockaddr *)&ia->ia_dstaddr = ifr->ifr_dstaddr;
176 return (ipx_ifinit(ifp, ia,
177 (struct sockaddr_ipx *)&ifr->ifr_addr, 1));
180 ipx_ifscrub(ifp, ia);
181 ifa = (struct ifaddr *)ia;
182 ifa_ifunlink(ifa, ifp);
184 if (oia == (ia = ipx_ifaddr)) {
185 ipx_ifaddr = ia->ia_next;
187 while (ia->ia_next && (ia->ia_next != oia)) {
191 ia->ia_next = oia->ia_next;
193 kprintf("Didn't unlink ipxifadr from list\n");
195 ifa_destroy(&oia->ia_ifa);
201 if (ia->ia_addr.sipx_family == AF_IPX) {
202 if (ifra->ifra_addr.sipx_len == 0) {
203 ifra->ifra_addr = ia->ia_addr;
205 } else if (ipx_neteq(ifra->ifra_addr.sipx_addr,
206 ia->ia_addr.sipx_addr))
209 if ((ifp->if_flags & IFF_POINTOPOINT) &&
210 (ifra->ifra_dstaddr.sipx_family == AF_IPX)) {
212 ipx_ifscrub(ifp, ia);
213 ia->ia_dstaddr = ifra->ifra_dstaddr;
216 if (ifra->ifra_addr.sipx_family == AF_IPX &&
217 (hostIsNew || dstIsNew))
218 error = ipx_ifinit(ifp, ia, &ifra->ifra_addr, 0);
222 if (ifp->if_ioctl == NULL)
224 ifnet_serialize_all(ifp);
225 error = ifp->if_ioctl(ifp, cmd, data, td->td_proc->p_ucred);
226 ifnet_deserialize_all(ifp);
232 * Delete any previous route for an old address.
235 ipx_ifscrub(struct ifnet *ifp, struct ipx_ifaddr *ia)
237 if (ia->ia_flags & IFA_ROUTE) {
238 if (ifp->if_flags & IFF_POINTOPOINT) {
239 rtinit(&(ia->ia_ifa), (int)RTM_DELETE, RTF_HOST);
241 rtinit(&(ia->ia_ifa), (int)RTM_DELETE, 0);
242 ia->ia_flags &= ~IFA_ROUTE;
246 * Initialize an interface's internet address
247 * and routing table entry.
250 ipx_ifinit(struct ifnet *ifp, struct ipx_ifaddr *ia,
251 struct sockaddr_ipx *sipx, int scrub)
253 struct sockaddr_ipx oldaddr;
257 * Set up new addresses.
259 oldaddr = ia->ia_addr;
263 * The convention we shall adopt for naming is that
264 * a supplied address of zero means that "we don't care".
265 * Use the MAC address of the interface. If it is an
266 * interface without a MAC address, like a serial line, the
267 * address must be supplied.
269 * Give the interface a chance to initialize
270 * if this is its first address,
271 * and to validate the address if necessary.
273 ifnet_serialize_all(ifp);
274 if (ifp->if_ioctl != NULL &&
275 (error = ifp->if_ioctl(ifp, SIOCSIFADDR, (void *)ia, NULL))) {
276 ia->ia_addr = oldaddr;
277 ifnet_deserialize_all(ifp);
280 ifnet_deserialize_all(ifp);
281 ia->ia_ifa.ifa_metric = ifp->if_metric;
283 * Add route for the network.
286 ia->ia_ifa.ifa_addr = (struct sockaddr *)&oldaddr;
287 ipx_ifscrub(ifp, ia);
288 ia->ia_ifa.ifa_addr = (struct sockaddr *)&ia->ia_addr;
290 if (ifp->if_flags & IFF_POINTOPOINT)
291 rtinit(&(ia->ia_ifa), (int)RTM_ADD, RTF_HOST|RTF_UP);
293 ia->ia_broadaddr.sipx_addr.x_net = ia->ia_addr.sipx_addr.x_net;
294 rtinit(&(ia->ia_ifa), (int)RTM_ADD, RTF_UP);
296 ia->ia_flags |= IFA_ROUTE;
301 * Return address info for specified internet network.
304 ipx_iaonnetof(struct ipx_addr *dst)
306 struct ipx_ifaddr *ia;
307 struct ipx_addr *compare;
309 struct ipx_ifaddr *ia_maybe = NULL;
310 union ipx_net net = dst->x_net;
312 for (ia = ipx_ifaddr; ia != NULL; ia = ia->ia_next) {
313 if ((ifp = ia->ia_ifp) != NULL) {
314 if (ifp->if_flags & IFF_POINTOPOINT) {
315 compare = &satoipx_addr(ia->ia_dstaddr);
316 if (ipx_hosteq(*dst, *compare))
318 if (ipx_neteqnn(net, ia->ia_addr.sipx_addr.x_net))
321 if (ipx_neteqnn(net, ia->ia_addr.sipx_addr.x_net))
331 ipx_printhost(struct ipx_addr *addr)
334 struct ipx_addr work = *addr;
336 char *net = "", *host = "";
337 char cport[10], chost[15], cnet[15];
339 port = ntohs(work.x_port);
341 if (ipx_nullnet(work) && ipx_nullhost(work)) {
344 kprintf("*.%x", port);
351 if (ipx_wildnet(work))
353 else if (ipx_nullnet(work))
356 q = work.x_net.c_net;
357 ksnprintf(cnet, sizeof(cnet), "%x%x%x%x",
358 q[0], q[1], q[2], q[3]);
359 for (p = cnet; *p == '0' && p < cnet + 8; p++)
364 if (ipx_wildhost(work))
366 else if (ipx_nullhost(work))
369 q = work.x_host.c_host;
370 ksnprintf(chost, sizeof(chost), "%x%x%x%x%x%x",
371 q[0], q[1], q[2], q[3], q[4], q[5]);
372 for (p = chost; *p == '0' && p < chost + 12; p++)
378 if (strcmp(host, "*") == 0) {
380 ksnprintf(cport, sizeof(cport), "%x", port);
382 ksnprintf(cport, sizeof(cport), ".%x", port);
386 kprintf("%s.%s%s", net, host, cport);