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
34 #include <sys/param.h>
35 #include <sys/ioctl.h>
36 #include <sys/socket.h>
37 #include <sys/sysctl.h>
41 #include <net/if_var.h>
42 #include <net/if_dl.h>
43 #include <net/if_types.h>
44 #include <net/route.h>
47 #include <netipx/ipx.h>
48 #include <netipx/ipx_if.h>
59 #include <netncp/ncp_lib.h>
61 #define IPX_NODE_LEN 6
63 typedef u_long IPXNet;
64 typedef u_short IPXPort;
65 typedef union ipx_host IPXNode;
69 ipx_fprint_node(FILE * file, IPXNode node){
70 fprintf(file, "%02X%02X%02X%02X%02X%02X",
71 (unsigned char) node.c_host[0],
72 (unsigned char) node.c_host[1],
73 (unsigned char) node.c_host[2],
74 (unsigned char) node.c_host[3],
75 (unsigned char) node.c_host[4],
76 (unsigned char) node.c_host[5]
81 ipx_fprint_network(FILE * file, const IPXNet net){
82 fprintf(file, "%08X", (u_int32_t)ntohl(net));
86 ipx_fprint_port(FILE * file, IPXPort port)
88 fprintf(file, "%04X", ntohs(port));
92 ipx_fprint_addr(FILE * file, struct ipx_addr *ipx)
94 ipx_fprint_network(file, ipx_netlong(*ipx));
96 ipx_fprint_node(file, ipx->x_host);
98 ipx_fprint_port(file, ipx->x_port);
102 ipx_print_node(IPXNode node)
104 ipx_fprint_node(stdout, node);
108 ipx_print_network(IPXNet net)
110 ipx_fprint_network(stdout, net);
114 ipx_print_port(IPXPort port)
116 ipx_fprint_port(stdout, port);
120 ipx_print_addr(struct ipx_addr *ipx)
122 ipx_fprint_addr(stdout, ipx);
126 ipx_sscanf_node(char *buf, unsigned char node[6])
131 if ((i = sscanf(buf, "%2x%2x%2x%2x%2x%2x",
132 &(n[0]), &(n[1]), &(n[2]),
133 &(n[3]), &(n[4]), &(n[5]))) != 6)
137 for (i = 0; i < 6; i++)
145 ipx_sscanf_saddr(char *buf, struct sockaddr_ipx *target)
148 struct sockaddr_ipx addr;
149 unsigned long sipx_net;
151 addr.sipx_family = AF_IPX;
152 /*!! addr.sipx_type = NCP_PTYPE;*/
154 if (sscanf(buf, "%lx", &sipx_net) != 1)
158 ((union ipx_net_u*)(&addr.sipx_addr.x_net))->long_e = htonl(sipx_net);
159 if ((p = strchr(buf, ':')) == NULL){
163 if (ipx_sscanf_node(p, addr.sipx_node) != 6)
167 if ((p = strchr(p, ':')) == NULL)
172 if (sscanf(p, "%hx", &addr.sipx_port) != 1)
176 addr.sipx_port = htons(addr.sipx_port);
182 void ipx_assign_node(IPXNode *dest, IPXNode *src) {
183 memcpy(dest, src, IPX_NODE_LEN);
187 static void rt_xaddrs __P((caddr_t, caddr_t, struct rt_addrinfo *));
188 static int if_ipxscan __P((int addrcount, struct sockaddr_dl *sdl, struct if_msghdr *ifm,
189 struct ifa_msghdr *ifam,struct ipx_addr *addr));
192 * Find an IPX interface.
193 * ifname specifies interface name, if NULL search for all interfaces
194 * if ifname[0]='0', also all interfaces, but return its name
195 * addr on input preferred net address can be specified or 0 for any,
196 * on return contains full address (except port)
197 * returns 0 if interface was found
200 ipx_iffind(char *ifname,struct ipx_addr *addr){
202 int all=0, flags, foundit = 0, addrcount;
203 struct if_msghdr *ifm, *nextifm;
204 struct ifa_msghdr *ifam;
205 struct sockaddr_dl *sdl;
206 char *buf, *lim, *next;
211 strncpy(name,ifname,sizeof(name)-1);
221 mib[4] = NET_RT_IFLIST;
224 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
226 if ((buf = malloc(needed)) == NULL)
228 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
236 ifm = (struct if_msghdr *)next;
237 if (ifm->ifm_type == RTM_IFINFO) {
238 sdl = (struct sockaddr_dl *)(ifm + 1);
239 flags = ifm->ifm_flags;
241 fprintf(stderr, "if_ipxfind: out of sync parsing NET_RT_IFLIST\n");
242 fprintf(stderr, "expected %d, got %d\n", RTM_IFINFO, ifm->ifm_type);
243 fprintf(stderr, "msglen = %d\n", ifm->ifm_msglen);
244 fprintf(stderr, "buf:%p, next:%p, lim:%p\n", buf, next, lim);
249 next += ifm->ifm_msglen;
253 nextifm = (struct if_msghdr *)next;
254 if (nextifm->ifm_type != RTM_NEWADDR)
257 ifam = (struct ifa_msghdr *)nextifm;
259 next += nextifm->ifm_msglen;
263 if ((flags & IFF_UP) == 0)
264 continue; /* not up */
265 strncpy(name, sdl->sdl_data, sdl->sdl_nlen);
266 name[sdl->sdl_nlen] = '\0';
268 if (strlen(name) != sdl->sdl_nlen)
269 continue; /* not same len */
270 if (strncmp(name, sdl->sdl_data, sdl->sdl_nlen) != 0)
271 continue; /* not same name */
274 foundit=if_ipxscan(addrcount, sdl, ifm, ifam, addr);
276 if( ifname!=NULL && ifname[0]==0) {
277 strncpy(ifname,sdl->sdl_data, sdl->sdl_nlen);
278 ifname[sdl->sdl_nlen]=0;
285 return foundit ? 0:1;
290 if_ipxscan(addrcount, sdl, ifm, ifam, addr)
292 struct sockaddr_dl *sdl;
293 struct if_msghdr *ifm;
294 struct ifa_msghdr *ifam;
295 struct ipx_addr *addr;
297 struct rt_addrinfo info;
298 struct sockaddr_ipx *sipx;
301 if ((s = socket(AF_IPX, SOCK_DGRAM, 0)) < 0) {
302 perror("ifconfig: socket");
306 while (addrcount > 0) {
307 info.rti_addrs = ifam->ifam_addrs;
308 /* Expand the compacted addresses */
309 rt_xaddrs((char *)(ifam + 1), ifam->ifam_msglen + (char *)ifam, &info);
311 ifam = (struct ifa_msghdr *)((char *)ifam + ifam->ifam_msglen);
312 if (info.rti_info[RTAX_IFA]->sa_family == AF_IPX) {
313 sipx = (struct sockaddr_ipx *)info.rti_info[RTAX_IFA];
314 if( ipx_nullnet(sipx->sipx_addr) ) continue;
315 if( ipx_nullnet(*addr) ||
316 ipx_neteq(sipx->sipx_addr,*addr) ) {
317 *addr=sipx->sipx_addr;
327 * Expand the compacted form of addresses as returned via the
328 * configuration read via sysctl().
332 ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
333 #define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
336 rt_xaddrs(cp, cplim, rtinfo)
338 struct rt_addrinfo *rtinfo;
343 memset(rtinfo->rti_info, 0, sizeof(rtinfo->rti_info));
344 for (i = 0; (i < RTAX_MAX) && (cp < cplim); i++) {
345 if ((rtinfo->rti_addrs & (1 << i)) == 0)
347 rtinfo->rti_info[i] = sa = (struct sockaddr *)cp;