usr.sbin/rarpd/rarpd.c

224 	struct if_info *ii, *ii2;
249 	for (ii = iflist; ii != NULL; ii = ii->ii_next)
250 		if (strcmp(ifa->ifa_name, ii->ii_ifname) == 0)
253 	if (pass1 && ii != NULL)
258 	if (ii == NULL) {
259 		ii = (struct if_info *)malloc(sizeof(*ii));
260 		if (ii == NULL) {
265 		bzero(ii, sizeof(*ii));
266 		ii->ii_fd = -1;
267 		strlcpy(ii->ii_ifname, ifa->ifa_name, sizeof(ii->ii_ifname));
268 		ii->ii_next = iflist;
269 		iflist = ii;
270 	} else if (!pass1 && ii->ii_ipaddr != 0) {
283 		memcpy(ii2, ii, sizeof(*ii2));
288 		ii = ii2;
293 		ii->ii_ipaddr = SATOSIN(ifa->ifa_addr)->sin_addr.s_addr;
294 		ii->ii_netmask = SATOSIN(ifa->ifa_netmask)->sin_addr.s_addr;
295 		if (ii->ii_netmask == 0)
296 			ii->ii_netmask = ipaddrtonetmask(ii->ii_ipaddr);
297 		if (ii->ii_fd < 0)
298 			ii->ii_fd = rarp_open(ii->ii_ifname);
306 			bcopy(LLADDR(ll), ii->ii_eaddr, 6);
320 	struct if_info *ii, *nii, *lii;
346 	for (ii = iflist; ii != NULL; ii = nii) {
347 		nii = ii->ii_next;
348 		if (ii->ii_ipaddr == 0 ||
349 		    bcmp(ii->ii_eaddr, zero, 6) == 0) {
354 			if (ii->ii_fd >= 0)
355 				close(ii->ii_fd);
356 			free(ii);
359 		lii = ii;
364 		for (ii = iflist; ii != NULL; ii = ii->ii_next)
366 			    ii->ii_ifname, intoa(ntohl(ii->ii_ipaddr)),
367 			    (in_addr_t)ntohl(ii->ii_netmask), eatoa(ii->ii_eaddr));
517 	struct if_info *ii;
539 		for (ii = iflist; ii != NULL; ii = ii->ii_next) {
540 			FD_SET(ii->ii_fd, &fds);
541 			if (ii->ii_fd > maxfd)
542 				maxfd = ii->ii_fd;
552 		for (ii = iflist; ii != NULL; ii = ii->ii_next) {
553 			fd = ii->ii_fd;
572 					rarp_process(ii, bp + hdrlen, caplen);
643  * Answer the RARP request in 'pkt', on the interface 'ii'.  'pkt' has
647 rarp_process(struct if_info *ii, u_char *pkt, u_int len)
676 				      ii->ii_ipaddr & ii->ii_netmask,
677 				      ii->ii_netmask);
680 		       ename, intoa(ntohl(ii->ii_ipaddr & ii->ii_netmask)));
684 		rarp_reply(ii, ep, target_ipaddr, len);
687 		    ii->ii_ifname,
848 rarp_reply(struct if_info *ii, struct ether_header *ep, in_addr_t ipaddr,
865 	bcopy((char *)ii->ii_eaddr, (char *)&ep->ether_shost, 6);
866 	bcopy((char *)ii->ii_eaddr, (char *)&ap->arp_sha, 6);
870 	bcopy((char *)&ii->ii_ipaddr, (char *)ap->arp_spa, 4);
875 	n = write(ii->ii_fd, (char *)ep, len);
879 		logmsg(LOG_INFO, "%s %s at %s REPLIED", ii->ii_ifname,