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 1.11 2006/09/05 00:55:49 dillon Exp $
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/malloc.h>
43 #include <sys/sockio.h>
45 #include <sys/socket.h>
46 #include <sys/thread2.h>
49 #include <net/route.h>
55 struct ipx_ifaddr *ipx_ifaddr;
57 static void ipx_ifscrub(struct ifnet *ifp, struct ipx_ifaddr *ia);
58 static int ipx_ifinit(struct ifnet *ifp, struct ipx_ifaddr *ia,
59 struct sockaddr_ipx *sipx, int scrub);
62 * Generic internet control operations (ioctl's).
65 ipx_control(struct socket *so, u_long cmd, caddr_t data,
66 struct ifnet *ifp, struct thread *td)
68 struct ifreq *ifr = (struct ifreq *)data;
69 struct ipx_aliasreq *ifra = (struct ipx_aliasreq *)data;
70 struct ipx_ifaddr *ia;
72 struct ipx_ifaddr *oia;
73 int dstIsNew, hostIsNew;
77 * Find address for this interface, if it exists.
80 return (EADDRNOTAVAIL);
81 for (ia = ipx_ifaddr; ia != NULL; ia = ia->ia_next)
82 if (ia->ia_ifp == ifp)
89 return (EADDRNOTAVAIL);
90 *(struct sockaddr_ipx *)&ifr->ifr_addr = ia->ia_addr;
95 return (EADDRNOTAVAIL);
96 if ((ifp->if_flags & IFF_BROADCAST) == 0)
98 *(struct sockaddr_ipx *)&ifr->ifr_dstaddr = ia->ia_broadaddr;
103 return (EADDRNOTAVAIL);
104 if ((ifp->if_flags & IFF_POINTOPOINT) == 0)
106 *(struct sockaddr_ipx *)&ifr->ifr_dstaddr = ia->ia_dstaddr;
110 if ((error = suser(td)) != 0)
116 if (ifra->ifra_addr.sipx_family == AF_IPX)
117 for (oia = ia; ia != NULL; ia = ia->ia_next) {
118 if (ia->ia_ifp == ifp &&
119 ipx_neteq(ia->ia_addr.sipx_addr,
120 ifra->ifra_addr.sipx_addr))
123 if (cmd == SIOCDIFADDR && ia == NULL)
124 return (EADDRNOTAVAIL);
130 oia = (struct ipx_ifaddr *)
131 kmalloc(sizeof(*ia), M_IFADDR,
135 if ((ia = ipx_ifaddr) != NULL) {
136 for ( ; ia->ia_next != NULL; ia = ia->ia_next)
142 ifa = (struct ifaddr *)ia;
143 TAILQ_INSERT_TAIL(&ifp->if_addrhead, ifa, ifa_link);
145 ifa->ifa_addr = (struct sockaddr *)&ia->ia_addr;
147 ifa->ifa_netmask = (struct sockaddr *)&ipx_netmask;
149 ifa->ifa_dstaddr = (struct sockaddr *)&ia->ia_dstaddr;
150 if (ifp->if_flags & IFF_BROADCAST) {
151 ia->ia_broadaddr.sipx_family = AF_IPX;
152 ia->ia_broadaddr.sipx_len = sizeof(ia->ia_addr);
153 ia->ia_broadaddr.sipx_addr.x_host = ipx_broadhost;
161 if ((ifp->if_flags & IFF_POINTOPOINT) == 0)
163 if (ia->ia_flags & IFA_ROUTE) {
164 rtinit(&(ia->ia_ifa), (int)RTM_DELETE, RTF_HOST);
165 ia->ia_flags &= ~IFA_ROUTE;
168 lwkt_serialize_enter(ifp->if_serializer);
169 error = ifp->if_ioctl(ifp, SIOCSIFDSTADDR,
170 (void *)ia, td->td_proc->p_ucred);
171 lwkt_serialize_exit(ifp->if_serializer);
175 *(struct sockaddr *)&ia->ia_dstaddr = ifr->ifr_dstaddr;
179 return (ipx_ifinit(ifp, ia,
180 (struct sockaddr_ipx *)&ifr->ifr_addr, 1));
183 ipx_ifscrub(ifp, ia);
184 ifa = (struct ifaddr *)ia;
185 TAILQ_REMOVE(&ifp->if_addrhead, ifa, ifa_link);
187 if (oia == (ia = ipx_ifaddr)) {
188 ipx_ifaddr = ia->ia_next;
190 while (ia->ia_next && (ia->ia_next != oia)) {
194 ia->ia_next = oia->ia_next;
196 printf("Didn't unlink ipxifadr from list\n");
198 IFAFREE((&oia->ia_ifa));
204 if (ia->ia_addr.sipx_family == AF_IPX) {
205 if (ifra->ifra_addr.sipx_len == 0) {
206 ifra->ifra_addr = ia->ia_addr;
208 } else if (ipx_neteq(ifra->ifra_addr.sipx_addr,
209 ia->ia_addr.sipx_addr))
212 if ((ifp->if_flags & IFF_POINTOPOINT) &&
213 (ifra->ifra_dstaddr.sipx_family == AF_IPX)) {
215 ipx_ifscrub(ifp, ia);
216 ia->ia_dstaddr = ifra->ifra_dstaddr;
219 if (ifra->ifra_addr.sipx_family == AF_IPX &&
220 (hostIsNew || dstIsNew))
221 error = ipx_ifinit(ifp, ia, &ifra->ifra_addr, 0);
225 if (ifp->if_ioctl == NULL)
227 lwkt_serialize_enter(ifp->if_serializer);
228 error = ifp->if_ioctl(ifp, cmd, data, td->td_proc->p_ucred);
229 lwkt_serialize_exit(ifp->if_serializer);
235 * Delete any previous route for an old address.
238 ipx_ifscrub(struct ifnet *ifp, struct ipx_ifaddr *ia)
240 if (ia->ia_flags & IFA_ROUTE) {
241 if (ifp->if_flags & IFF_POINTOPOINT) {
242 rtinit(&(ia->ia_ifa), (int)RTM_DELETE, RTF_HOST);
244 rtinit(&(ia->ia_ifa), (int)RTM_DELETE, 0);
245 ia->ia_flags &= ~IFA_ROUTE;
249 * Initialize an interface's internet address
250 * and routing table entry.
253 ipx_ifinit(struct ifnet *ifp, struct ipx_ifaddr *ia,
254 struct sockaddr_ipx *sipx, int scrub)
256 struct sockaddr_ipx oldaddr;
260 * Set up new addresses.
262 oldaddr = ia->ia_addr;
266 * The convention we shall adopt for naming is that
267 * a supplied address of zero means that "we don't care".
268 * Use the MAC address of the interface. If it is an
269 * interface without a MAC address, like a serial line, the
270 * address must be supplied.
272 * Give the interface a chance to initialize
273 * if this is its first address,
274 * and to validate the address if necessary.
276 lwkt_serialize_enter(ifp->if_serializer);
277 if (ifp->if_ioctl != NULL &&
278 (error = ifp->if_ioctl(ifp, SIOCSIFADDR, (void *)ia,
279 (struct ucred *)NULL))) {
280 ia->ia_addr = oldaddr;
281 lwkt_serialize_exit(ifp->if_serializer);
284 lwkt_serialize_exit(ifp->if_serializer);
285 ia->ia_ifa.ifa_metric = ifp->if_metric;
287 * Add route for the network.
290 ia->ia_ifa.ifa_addr = (struct sockaddr *)&oldaddr;
291 ipx_ifscrub(ifp, ia);
292 ia->ia_ifa.ifa_addr = (struct sockaddr *)&ia->ia_addr;
294 if (ifp->if_flags & IFF_POINTOPOINT)
295 rtinit(&(ia->ia_ifa), (int)RTM_ADD, RTF_HOST|RTF_UP);
297 ia->ia_broadaddr.sipx_addr.x_net = ia->ia_addr.sipx_addr.x_net;
298 rtinit(&(ia->ia_ifa), (int)RTM_ADD, RTF_UP);
300 ia->ia_flags |= IFA_ROUTE;
305 * Return address info for specified internet network.
308 ipx_iaonnetof(struct ipx_addr *dst)
310 struct ipx_ifaddr *ia;
311 struct ipx_addr *compare;
313 struct ipx_ifaddr *ia_maybe = NULL;
314 union ipx_net net = dst->x_net;
316 for (ia = ipx_ifaddr; ia != NULL; ia = ia->ia_next) {
317 if ((ifp = ia->ia_ifp) != NULL) {
318 if (ifp->if_flags & IFF_POINTOPOINT) {
319 compare = &satoipx_addr(ia->ia_dstaddr);
320 if (ipx_hosteq(*dst, *compare))
322 if (ipx_neteqnn(net, ia->ia_addr.sipx_addr.x_net))
325 if (ipx_neteqnn(net, ia->ia_addr.sipx_addr.x_net))
335 ipx_printhost(struct ipx_addr *addr)
338 struct ipx_addr work = *addr;
340 char *net = "", *host = "";
341 char cport[10], chost[15], cnet[15];
343 port = ntohs(work.x_port);
345 if (ipx_nullnet(work) && ipx_nullhost(work)) {
348 printf("*.%x", port);
355 if (ipx_wildnet(work))
357 else if (ipx_nullnet(work))
360 q = work.x_net.c_net;
361 snprintf(cnet, sizeof(cnet), "%x%x%x%x",
362 q[0], q[1], q[2], q[3]);
363 for (p = cnet; *p == '0' && p < cnet + 8; p++)
368 if (ipx_wildhost(work))
370 else if (ipx_nullhost(work))
373 q = work.x_host.c_host;
374 snprintf(chost, sizeof(chost), "%x%x%x%x%x%x",
375 q[0], q[1], q[2], q[3], q[4], q[5]);
376 for (p = chost; *p == '0' && p < chost + 12; p++)
382 if (strcmp(host, "*") == 0) {
384 snprintf(cport, sizeof(cport), "%x", port);
386 snprintf(cport, sizeof(cport), ".%x", port);
390 printf("%s.%s%s", net, host, cport);