2 * Copyright (c) 1999, Boris Popov
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include <sys/param.h>
37 #include <sys/ioctl.h>
38 #include <sys/socket.h>
39 #include <sys/sysctl.h>
42 #include <arpa/inet.h>
44 #include <net/if_var.h>
45 #include <net/if_dl.h>
46 #include <net/if_types.h>
47 #include <net/route.h>
50 #include <netipx/ipx.h>
51 #include <netipx/ipx_if.h>
62 #include <netncp/ncp_lib.h>
64 #define IPX_NODE_LEN 6
66 typedef u_long IPXNet;
67 typedef u_short IPXPort;
68 typedef union ipx_host IPXNode;
72 ipx_fprint_node(FILE * file, IPXNode node){
73 fprintf(file, "%02X%02X%02X%02X%02X%02X",
74 (unsigned char) node.c_host[0],
75 (unsigned char) node.c_host[1],
76 (unsigned char) node.c_host[2],
77 (unsigned char) node.c_host[3],
78 (unsigned char) node.c_host[4],
79 (unsigned char) node.c_host[5]
84 ipx_fprint_network(FILE * file, const IPXNet net){
85 fprintf(file, "%08X", (u_int32_t)ntohl(net));
89 ipx_fprint_port(FILE * file, IPXPort port)
91 fprintf(file, "%04X", ntohs(port));
95 ipx_fprint_addr(FILE * file, struct ipx_addr *ipx)
97 ipx_fprint_network(file, ipx_netlong(*ipx));
99 ipx_fprint_node(file, ipx->x_host);
101 ipx_fprint_port(file, ipx->x_port);
105 ipx_print_node(IPXNode node)
107 ipx_fprint_node(stdout, node);
111 ipx_print_network(IPXNet net)
113 ipx_fprint_network(stdout, net);
117 ipx_print_port(IPXPort port)
119 ipx_fprint_port(stdout, port);
123 ipx_print_addr(struct ipx_addr *ipx)
125 ipx_fprint_addr(stdout, ipx);
129 ipx_sscanf_node(char *buf, unsigned char node[6])
134 if ((i = sscanf(buf, "%2x%2x%2x%2x%2x%2x",
135 &(n[0]), &(n[1]), &(n[2]),
136 &(n[3]), &(n[4]), &(n[5]))) != 6)
140 for (i = 0; i < 6; i++)
148 ipx_sscanf_saddr(char *buf, struct sockaddr_ipx *target)
151 struct sockaddr_ipx addr;
152 unsigned long sipx_net;
154 addr.sipx_family = AF_IPX;
155 /*!! addr.sipx_type = NCP_PTYPE;*/
157 if (sscanf(buf, "%lx", &sipx_net) != 1)
161 ((union ipx_net_u*)(&addr.sipx_addr.x_net))->long_e = htonl(sipx_net);
162 if ((p = strchr(buf, ':')) == NULL){
166 if (ipx_sscanf_node(p, addr.sipx_node) != 6)
170 if ((p = strchr(p, ':')) == NULL)
175 if (sscanf(p, "%hx", &addr.sipx_port) != 1)
179 addr.sipx_port = htons(addr.sipx_port);
185 void ipx_assign_node(IPXNode *dest, IPXNode *src) {
186 memcpy(dest, src, IPX_NODE_LEN);
190 static void rt_xaddrs(caddr_t, caddr_t, struct rt_addrinfo *);
191 static int if_ipxscan(int addrcount, struct sockaddr_dl *sdl,
192 struct if_msghdr *ifm, struct ifa_msghdr *ifam,
193 struct ipx_addr *addr);
196 * Find an IPX interface.
197 * ifname specifies interface name, if NULL search for all interfaces
198 * if ifname[0]='0', also all interfaces, but return its name
199 * addr on input preferred net address can be specified or 0 for any,
200 * on return contains full address (except port)
201 * returns 0 if interface was found
204 ipx_iffind(char *ifname,struct ipx_addr *addr){
206 int all=0, flags, foundit = 0, addrcount;
207 struct if_msghdr *ifm, *nextifm;
208 struct ifa_msghdr *ifam;
209 struct sockaddr_dl *sdl;
210 char *buf, *lim, *next;
215 strncpy(name,ifname,sizeof(name)-1);
225 mib[4] = NET_RT_IFLIST;
228 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
230 if ((buf = malloc(needed)) == NULL)
232 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
240 ifm = (struct if_msghdr *)next;
241 if (ifm->ifm_type == RTM_IFINFO) {
242 sdl = (struct sockaddr_dl *)(ifm + 1);
243 flags = ifm->ifm_flags;
245 fprintf(stderr, "if_ipxfind: out of sync parsing NET_RT_IFLIST\n");
246 fprintf(stderr, "expected %d, got %d\n", RTM_IFINFO, ifm->ifm_type);
247 fprintf(stderr, "msglen = %d\n", ifm->ifm_msglen);
248 fprintf(stderr, "buf:%p, next:%p, lim:%p\n", buf, next, lim);
253 next += ifm->ifm_msglen;
257 nextifm = (struct if_msghdr *)next;
258 if (nextifm->ifm_type != RTM_NEWADDR)
261 ifam = (struct ifa_msghdr *)nextifm;
263 next += nextifm->ifm_msglen;
267 if ((flags & IFF_UP) == 0)
268 continue; /* not up */
269 strncpy(name, sdl->sdl_data, sdl->sdl_nlen);
270 name[sdl->sdl_nlen] = '\0';
272 if (strlen(name) != sdl->sdl_nlen)
273 continue; /* not same len */
274 if (strncmp(name, sdl->sdl_data, sdl->sdl_nlen) != 0)
275 continue; /* not same name */
278 foundit=if_ipxscan(addrcount, sdl, ifm, ifam, addr);
280 if( ifname!=NULL && ifname[0]==0) {
281 strncpy(ifname,sdl->sdl_data, sdl->sdl_nlen);
282 ifname[sdl->sdl_nlen]=0;
289 return foundit ? 0:1;
294 if_ipxscan(addrcount, sdl, ifm, ifam, addr)
296 struct sockaddr_dl *sdl;
297 struct if_msghdr *ifm;
298 struct ifa_msghdr *ifam;
299 struct ipx_addr *addr;
301 struct rt_addrinfo info;
302 struct sockaddr_ipx *sipx;
305 if ((s = socket(AF_IPX, SOCK_DGRAM, 0)) < 0) {
306 perror("ifconfig: socket");
310 while (addrcount > 0) {
311 info.rti_addrs = ifam->ifam_addrs;
312 /* Expand the compacted addresses */
313 rt_xaddrs((char *)(ifam + 1), ifam->ifam_msglen + (char *)ifam, &info);
315 ifam = (struct ifa_msghdr *)((char *)ifam + ifam->ifam_msglen);
316 if (info.rti_info[RTAX_IFA]->sa_family == AF_IPX) {
317 sipx = (struct sockaddr_ipx *)info.rti_info[RTAX_IFA];
318 if( ipx_nullnet(sipx->sipx_addr) ) continue;
319 if( ipx_nullnet(*addr) ||
320 ipx_neteq(sipx->sipx_addr,*addr) ) {
321 *addr=sipx->sipx_addr;
331 * Expand the compacted form of addresses as returned via the
332 * configuration read via sysctl().
336 ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
337 #define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
340 rt_xaddrs(cp, cplim, rtinfo)
342 struct rt_addrinfo *rtinfo;
347 memset(rtinfo->rti_info, 0, sizeof(rtinfo->rti_info));
348 for (i = 0; (i < RTAX_MAX) && (cp < cplim); i++) {
349 if ((rtinfo->rti_addrs & (1 << i)) == 0)
351 rtinfo->rti_info[i] = sa = (struct sockaddr *)cp;