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 1.2 2003/06/17 04:28:53 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>
48 #include <net/route.h>
50 #include <netipx/ipx.h>
51 #include <netipx/ipx_if.h>
52 #include <netipx/ipx_var.h>
54 struct ipx_ifaddr *ipx_ifaddr;
56 static void ipx_ifscrub(struct ifnet *ifp, struct ipx_ifaddr *ia);
57 static int ipx_ifinit(struct ifnet *ifp, struct ipx_ifaddr *ia,
58 struct sockaddr_ipx *sipx, int scrub);
61 * Generic internet control operations (ioctl's).
64 ipx_control(so, cmd, data, ifp, p)
68 register struct ifnet *ifp;
71 register struct ifreq *ifr = (struct ifreq *)data;
72 register struct ipx_aliasreq *ifra = (struct ipx_aliasreq *)data;
73 register struct ipx_ifaddr *ia;
75 struct ipx_ifaddr *oia;
76 int dstIsNew, hostIsNew;
80 * Find address for this interface, if it exists.
83 return (EADDRNOTAVAIL);
84 for (ia = ipx_ifaddr; ia != NULL; ia = ia->ia_next)
85 if (ia->ia_ifp == ifp)
92 return (EADDRNOTAVAIL);
93 *(struct sockaddr_ipx *)&ifr->ifr_addr = ia->ia_addr;
98 return (EADDRNOTAVAIL);
99 if ((ifp->if_flags & IFF_BROADCAST) == 0)
101 *(struct sockaddr_ipx *)&ifr->ifr_dstaddr = ia->ia_broadaddr;
106 return (EADDRNOTAVAIL);
107 if ((ifp->if_flags & IFF_POINTOPOINT) == 0)
109 *(struct sockaddr_ipx *)&ifr->ifr_dstaddr = ia->ia_dstaddr;
113 if (p && (error = suser(p)) != 0)
119 if (ifra->ifra_addr.sipx_family == AF_IPX)
120 for (oia = ia; ia != NULL; ia = ia->ia_next) {
121 if (ia->ia_ifp == ifp &&
122 ipx_neteq(ia->ia_addr.sipx_addr,
123 ifra->ifra_addr.sipx_addr))
126 if (cmd == SIOCDIFADDR && ia == NULL)
127 return (EADDRNOTAVAIL);
133 oia = (struct ipx_ifaddr *)
134 malloc(sizeof(*ia), M_IFADDR,
138 if ((ia = ipx_ifaddr) != NULL) {
139 for ( ; ia->ia_next != NULL; ia = ia->ia_next)
145 ifa = (struct ifaddr *)ia;
146 TAILQ_INSERT_TAIL(&ifp->if_addrhead, ifa, ifa_link);
148 ifa->ifa_addr = (struct sockaddr *)&ia->ia_addr;
150 ifa->ifa_netmask = (struct sockaddr *)&ipx_netmask;
152 ifa->ifa_dstaddr = (struct sockaddr *)&ia->ia_dstaddr;
153 if (ifp->if_flags & IFF_BROADCAST) {
154 ia->ia_broadaddr.sipx_family = AF_IPX;
155 ia->ia_broadaddr.sipx_len = sizeof(ia->ia_addr);
156 ia->ia_broadaddr.sipx_addr.x_host = ipx_broadhost;
164 if ((ifp->if_flags & IFF_POINTOPOINT) == 0)
166 if (ia->ia_flags & IFA_ROUTE) {
167 rtinit(&(ia->ia_ifa), (int)RTM_DELETE, RTF_HOST);
168 ia->ia_flags &= ~IFA_ROUTE;
171 error = (*ifp->if_ioctl)(ifp, SIOCSIFDSTADDR, (void *)ia);
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 return ((*ifp->if_ioctl)(ifp, cmd, data));
232 * Delete any previous route for an old address.
236 register struct ifnet *ifp;
237 register struct ipx_ifaddr *ia;
239 if (ia->ia_flags & IFA_ROUTE) {
240 if (ifp->if_flags & IFF_POINTOPOINT) {
241 rtinit(&(ia->ia_ifa), (int)RTM_DELETE, RTF_HOST);
243 rtinit(&(ia->ia_ifa), (int)RTM_DELETE, 0);
244 ia->ia_flags &= ~IFA_ROUTE;
248 * Initialize an interface's internet address
249 * and routing table entry.
252 ipx_ifinit(ifp, ia, sipx, scrub)
253 register struct ifnet *ifp;
254 register struct ipx_ifaddr *ia;
255 register struct sockaddr_ipx *sipx;
258 struct sockaddr_ipx oldaddr;
259 int s = splimp(), error;
262 * Set up new addresses.
264 oldaddr = ia->ia_addr;
268 * The convention we shall adopt for naming is that
269 * a supplied address of zero means that "we don't care".
270 * Use the MAC address of the interface. If it is an
271 * interface without a MAC address, like a serial line, the
272 * address must be supplied.
274 * Give the interface a chance to initialize
275 * if this is its first address,
276 * and to validate the address if necessary.
278 if (ifp->if_ioctl != NULL &&
279 (error = (*ifp->if_ioctl)(ifp, SIOCSIFADDR, (void *)ia))) {
280 ia->ia_addr = oldaddr;
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.
309 register struct ipx_addr *dst;
311 register struct ipx_ifaddr *ia;
312 register struct ipx_addr *compare;
313 register struct ifnet *ifp;
314 struct ipx_ifaddr *ia_maybe = NULL;
315 union ipx_net net = dst->x_net;
317 for (ia = ipx_ifaddr; ia != NULL; ia = ia->ia_next) {
318 if ((ifp = ia->ia_ifp) != NULL) {
319 if (ifp->if_flags & IFF_POINTOPOINT) {
320 compare = &satoipx_addr(ia->ia_dstaddr);
321 if (ipx_hosteq(*dst, *compare))
323 if (ipx_neteqnn(net, ia->ia_addr.sipx_addr.x_net))
326 if (ipx_neteqnn(net, ia->ia_addr.sipx_addr.x_net))
337 register struct ipx_addr *addr;
340 struct ipx_addr work = *addr;
341 register char *p; register u_char *q;
342 register char *net = "", *host = "";
343 char cport[10], chost[15], cnet[15];
345 port = ntohs(work.x_port);
347 if (ipx_nullnet(work) && ipx_nullhost(work)) {
350 printf("*.%x", port);
357 if (ipx_wildnet(work))
359 else if (ipx_nullnet(work))
362 q = work.x_net.c_net;
363 snprintf(cnet, sizeof(cnet), "%x%x%x%x",
364 q[0], q[1], q[2], q[3]);
365 for (p = cnet; *p == '0' && p < cnet + 8; p++)
370 if (ipx_wildhost(work))
372 else if (ipx_nullhost(work))
375 q = work.x_host.c_host;
376 snprintf(chost, sizeof(chost), "%x%x%x%x%x%x",
377 q[0], q[1], q[2], q[3], q[4], q[5]);
378 for (p = chost; *p == '0' && p < chost + 12; p++)
384 if (strcmp(host, "*") == 0) {
386 snprintf(cport, sizeof(cport), "%x", port);
388 snprintf(cport, sizeof(cport), ".%x", port);
392 printf("%s.%s%s", net, host, cport);