200 if (kget(rnh, head) != 0)
201 continue;
202 if (i == AF_UNSPEC) {
203 if (Aflag && af == 0) {
204 printf("Netmasks:\n");
205 p_tree(head.rnh_treetop);
206 }
207 } else if (af == AF_UNSPEC || af == i) {
208 size_cols(i, head.rnh_treetop);
209 pr_family(i);
210 do_rtent = 1;
211 pr_rthdr(i);
212 p_tree(head.rnh_treetop);
213 }
214 }
215 }
216}
217
218/*
219 * Print address family header before a section of the routing table.
220 */
221void
222pr_family(int af1)
223{
224 const char *afname;
225
226 switch (af1) {
227 case AF_INET:
228 afname = "Internet";
229 break;
230#ifdef INET6
231 case AF_INET6:
232 afname = "Internet6";
233 break;
234#endif /*INET6*/
235 case AF_IPX:
236 afname = "IPX";
237 break;
238 case AF_ISO:
239 afname = "ISO";
240 break;
241 case AF_APPLETALK:
242 afname = "AppleTalk";
243 break;
244 case AF_CCITT:
245 afname = "X.25";
246 break;
247 case AF_NETGRAPH:
248 afname = "Netgraph";
249 break;
250 default:
251 afname = NULL;
252 break;
253 }
254 if (afname)
255 printf("\n%s:\n", afname);
256 else
257 printf("\nProtocol Family %d:\n", af1);
258}
259
260/* column widths; each followed by one space */
261#ifndef INET6
262#define WID_DST_DEFAULT(af) 18 /* width of destination column */
263#define WID_GW_DEFAULT(af) 18 /* width of gateway column */
264#define WID_IF_DEFAULT(af) (Wflag ? 8 : 6) /* width of netif column */
265#else
266#define WID_DST_DEFAULT(af) \
267 ((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18)
268#define WID_GW_DEFAULT(af) \
269 ((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18)
270#define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : (Wflag ? 8 : 6))
271#endif /*INET6*/
272
273static int wid_dst;
274static int wid_gw;
275static int wid_flags;
276static int wid_refs;
277static int wid_use;
278static int wid_mtu;
279static int wid_if;
280static int wid_expire;
281
282static void
283size_cols(int ef __unused, struct radix_node *rn)
284{
285 wid_dst = WID_DST_DEFAULT(ef);
286 wid_gw = WID_GW_DEFAULT(ef);
287 wid_flags = 6;
288 wid_refs = 6;
289 wid_use = 8;
290 wid_mtu = 6;
291 wid_if = WID_IF_DEFAULT(ef);
292 wid_expire = 6;
293
294 if (Wflag)
295 size_cols_tree(rn);
296}
297
298static void
299size_cols_tree(struct radix_node *rn)
300{
301again:
302 if (kget(rn, rnode) != 0)
303 return;
304 if (!(rnode.rn_flags & RNF_ACTIVE))
305 return;
306 if (rnode.rn_bit < 0) {
307 if ((rnode.rn_flags & RNF_ROOT) == 0) {
308 if (kget(rn, rtentry) != 0)
309 return;
310 size_cols_rtentry(&rtentry);
311 }
312 if ((rn = rnode.rn_dupedkey))
313 goto again;
314 } else {
315 rn = rnode.rn_right;
316 size_cols_tree(rnode.rn_left);
317 size_cols_tree(rn);
318 }
319}
320
321static void
322size_cols_rtentry(struct rtentry *rt)
323{
324 static struct ifnet ifnet, *lastif;
325 static char buffer[100];
326 const char *bp;
327 struct sockaddr *sa;
328 sa_u addr, mask;
329 int len;
330
331 bzero(&addr, sizeof(addr));
332 if ((sa = kgetsa(rt_key(rt))))
333 bcopy(sa, &addr, sa->sa_len);
334 bzero(&mask, sizeof(mask));
335 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
336 bcopy(sa, &mask, sa->sa_len);
337 bp = fmt_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags);
338 len = strlen(bp);
339 wid_dst = MAX(len, wid_dst);
340
341 bp = fmt_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST);
342 len = strlen(bp);
343 wid_gw = MAX(len, wid_gw);
344
345 bp = fmt_flags(rt->rt_flags);
346 len = strlen(bp);
347 wid_flags = MAX(len, wid_flags);
348
349 if (addr.u_sa.sa_family == AF_INET || Wflag) {
350 len = snprintf(buffer, sizeof(buffer), "%d", rt->rt_refcnt);
351 wid_refs = MAX(len, wid_refs);
352 len = snprintf(buffer, sizeof(buffer), "%lu", rt->rt_use);
353 wid_use = MAX(len, wid_use);
354 if (Wflag && rt->rt_rmx.rmx_mtu != 0) {
355 len = snprintf(buffer, sizeof(buffer),
356 "%lu", rt->rt_rmx.rmx_mtu);
357 wid_mtu = MAX(len, wid_mtu);
358 }
359 }
360 if (rt->rt_ifp) {
361 if (rt->rt_ifp != lastif) {
362 if (kget(rt->rt_ifp, ifnet) == 0)
363 len = strlen(ifnet.if_xname);
364 else
365 len = strlen("---");
366 lastif = rt->rt_ifp;
367 wid_if = MAX(len, wid_if);
368 }
369 if (rt->rt_rmx.rmx_expire) {
370 time_t expire_time;
371
372 if ((expire_time =
373 rt->rt_rmx.rmx_expire - uptime.tv_sec) > 0) {
374 len = snprintf(buffer, sizeof(buffer), "%d",
375 (int)expire_time);
376 wid_expire = MAX(len, wid_expire);
377 }
378 }
379 }
380}
381
382
383/*
384 * Print header for routing table columns.
385 */
386void
387pr_rthdr(int af1)
388{
389
390 if (Aflag)
391 printf("%-8.8s ","Address");
392 if (af1 == AF_INET || Wflag) {
393 if (Wflag) {
394 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*.*s %*s\n",
395 wid_dst, wid_dst, "Destination",
396 wid_gw, wid_gw, "Gateway",
397 wid_flags, wid_flags, "Flags",
398 wid_refs, wid_refs, "Refs",
399 wid_use, wid_use, "Use",
400 wid_mtu, wid_mtu, "Mtu",
401 wid_if, wid_if, "Netif",
402 wid_expire, "Expire");
403 } else {
404 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*s\n",
405 wid_dst, wid_dst, "Destination",
406 wid_gw, wid_gw, "Gateway",
407 wid_flags, wid_flags, "Flags",
408 wid_refs, wid_refs, "Refs",
409 wid_use, wid_use, "Use",
410 wid_if, wid_if, "Netif",
411 wid_expire, "Expire");
412 }
413 } else {
414 printf("%-*.*s %-*.*s %-*.*s %*.*s %*s\n",
415 wid_dst, wid_dst, "Destination",
416 wid_gw, wid_gw, "Gateway",
417 wid_flags, wid_flags, "Flags",
418 wid_if, wid_if, "Netif",
419 wid_expire, "Expire");
420 }
421}
422
423static struct sockaddr *
424kgetsa(struct sockaddr *dst)
425{
426
427 if (kget(dst, pt_u.u_sa) != 0)
428 return (NULL);
429 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
430 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
431 return (&pt_u.u_sa);
432}
433
434static void
435p_tree(struct radix_node *rn)
436{
437
438again:
439 if (kget(rn, rnode) != 0)
440 return;
441 if (!(rnode.rn_flags & RNF_ACTIVE))
442 return;
443 if (rnode.rn_bit < 0) {
444 if (Aflag)
445 printf("%-8.8lx ", (u_long)rn);
446 if (rnode.rn_flags & RNF_ROOT) {
447 if (Aflag)
448 printf("(root node)%s",
449 rnode.rn_dupedkey ? " =>\n" : "\n");
450 } else if (do_rtent) {
451 if (kget(rn, rtentry) == 0) {
452 p_rtentry(&rtentry);
453 if (Aflag)
454 p_rtnode();
455 }
456 } else {
457 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
458 NULL, 0, 44);
459 putchar('\n');
460 }
461 if ((rn = rnode.rn_dupedkey))
462 goto again;
463 } else {
464 if (Aflag && do_rtent) {
465 printf("%-8.8lx ", (u_long)rn);
466 p_rtnode();
467 }
468 rn = rnode.rn_right;
469 p_tree(rnode.rn_left);
470 p_tree(rn);
471 }
472}
473
474char nbuf[20];
475
476static void
477p_rtnode(void)
478{
479 struct radix_mask *rm = rnode.rn_mklist;
480
481 if (rnode.rn_bit < 0) {
482 if (rnode.rn_mask) {
483 printf("\t mask ");
484 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
485 NULL, 0, -1);
486 } else if (rm == 0)
487 return;
488 } else {
489 sprintf(nbuf, "(%d)", rnode.rn_bit);
490 printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_left, (u_long)rnode.rn_right);
491 }
492 while (rm) {
493 if (kget(rm, rmask) != 0)
494 break;
495 sprintf(nbuf, " %d refs, ", rmask.rm_refs);
496 printf(" mk = %8.8lx {(%d),%s",
497 (u_long)rm, -1 - rmask.rm_bit, rmask.rm_refs ? nbuf : " ");
498 if (rmask.rm_flags & RNF_NORMAL) {
499 struct radix_node rnode_aux;
500 printf(" <normal>, ");
501 if (kget(rmask.rm_leaf, rnode_aux) == 0)
502 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
503 NULL, 0, -1);
504 else
505 p_sockaddr(NULL, NULL, 0, -1);
506 } else
507 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
508 NULL, 0, -1);
509 putchar('}');
510 if ((rm = rmask.rm_mklist))
511 printf(" ->");
512 }
513 putchar('\n');
514}
515
516static void
517ntreestuff(void)
518{
519 size_t needed;
520 int mib[6];
521 char *buf, *next, *lim;
522 struct rt_msghdr *rtm;
523
524 mib[0] = CTL_NET;
525 mib[1] = PF_ROUTE;
526 mib[2] = 0;
527 mib[3] = 0;
528 mib[4] = NET_RT_DUMP;
529 mib[5] = 0;
530 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
531 err(1, "sysctl: net.route.0.0.dump estimate");
532 }
533
534 if ((buf = malloc(needed)) == 0) {
535 errx(2, "malloc(%lu)", (unsigned long)needed);
536 }
537 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
538 err(1, "sysctl: net.route.0.0.dump");
539 }
540 lim = buf + needed;
541 for (next = buf; next < lim; next += rtm->rtm_msglen) {
542 rtm = (struct rt_msghdr *)next;
543 np_rtentry(rtm);
544 }
545}
546
547static void
548np_rtentry(struct rt_msghdr *rtm)
549{
550 struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
551#ifdef notdef
552 static int masks_done, banner_printed;
553#endif
554 static int old_af;
555 int af1 = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
556
557#ifdef notdef
558 /* for the moment, netmasks are skipped over */
559 if (!banner_printed) {
560 printf("Netmasks:\n");
561 banner_printed = 1;
562 }
563 if (masks_done == 0) {
564 if (rtm->rtm_addrs != RTA_DST ) {
565 masks_done = 1;
566 af1 = sa->sa_family;
567 }
568 } else
569#endif
570 af1 = sa->sa_family;
571 if (af1 != old_af) {
572 pr_family(af1);
573 old_af = af1;
574 }
575 if (rtm->rtm_addrs == RTA_DST)
576 p_sockaddr(sa, NULL, 0, 36);
577 else {
578 p_sockaddr(sa, NULL, rtm->rtm_flags, 16);
579 sa = (struct sockaddr *)(SA_SIZE(sa) + (char *)sa);
580 p_sockaddr(sa, NULL, 0, 18);
581 }
582 p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
583 putchar('\n');
584}
585
586static void
587p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
588{
589 const char *cp;
590
591 cp = fmt_sockaddr(sa, mask, flags);
592
593 if (width < 0 )
594 printf("%s ", cp);
595 else {
596 if (numeric_addr)
597 printf("%-*s ", width, cp);
598 else
599 printf("%-*.*s ", width, width, cp);
600 }
601}
602
603static const char *
604fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags)
605{
606 static char workbuf[128];
607 const char *cp;
608
609 if (sa == NULL)
610 return ("null");
611
612 switch(sa->sa_family) {
613 case AF_INET:
614 {
615 struct sockaddr_in *sockin = (struct sockaddr_in *)sa;
616
617 if ((sockin->sin_addr.s_addr == INADDR_ANY) &&
618 mask &&
619 ntohl(((struct sockaddr_in *)mask)->sin_addr.s_addr)
620 ==0L)
621 cp = "default" ;
622 else if (flags & RTF_HOST)
623 cp = routename(sockin->sin_addr.s_addr);
624 else if (mask)
625 cp = netname(sockin->sin_addr.s_addr,
626 ntohl(((struct sockaddr_in *)mask)
627 ->sin_addr.s_addr));
628 else
629 cp = netname(sockin->sin_addr.s_addr, 0L);
630 break;
631 }
632
633#ifdef INET6
634 case AF_INET6:
635 {
636 struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
637 struct in6_addr *in6 = &sa6->sin6_addr;
638
639 /*
640 * XXX: This is a special workaround for KAME kernels.
641 * sin6_scope_id field of SA should be set in the future.
642 */
643 if (IN6_IS_ADDR_LINKLOCAL(in6) ||
644 IN6_IS_ADDR_MC_LINKLOCAL(in6)) {
645 /* XXX: override is ok? */
646 sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)&in6->s6_addr[2]);
647 *(u_short *)&in6->s6_addr[2] = 0;
648 }
649
650 if (flags & RTF_HOST)
651 cp = routename6(sa6);
652 else if (mask)
653 cp = netname6(sa6,
654 &((struct sockaddr_in6 *)mask)->sin6_addr);
655 else {
656 cp = netname6(sa6, NULL);
657 }
658 break;
659 }
660#endif /*INET6*/
661
662 case AF_IPX:
663 {
664 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
665 if (ipx_nullnet(satoipx_addr(work)))
666 cp = "default";
667 else
668 cp = ipx_print(sa);
669 break;
670 }
671 case AF_APPLETALK:
672 {
673 if (!(flags & RTF_HOST) && mask)
674 cp = atalk_print2(sa,mask,9);
675 else
676 cp = atalk_print(sa,11);
677 break;
678 }
679 case AF_NETGRAPH:
680 {
681 strlcpy(workbuf, ((struct sockaddr_ng *)sa)->sg_data,
682 sizeof(workbuf));
683 cp = workbuf;
684 break;
685 }
686
687 case AF_LINK:
688 {
689 struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
690
691 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
692 sdl->sdl_slen == 0) {
693 (void) sprintf(workbuf, "link#%d", sdl->sdl_index);
694 cp = workbuf;
695 } else
696 switch (sdl->sdl_type) {
697
698 case IFT_ETHER:
699 case IFT_L2VLAN:
700 case IFT_BRIDGE:
701 if (sdl->sdl_alen == ETHER_ADDR_LEN) {
702 cp = ether_ntoa((struct ether_addr *)
703 (sdl->sdl_data + sdl->sdl_nlen));
704 break;
705 }
706 /* FALLTHROUGH */
707 default:
708 cp = link_ntoa(sdl);
709 break;
710 }
711 break;
712 }
713
714 default:
715 {
716 u_char *s = (u_char *)sa->sa_data, *slim;
717 char *cq, *cqlim;
718
719 cq = workbuf;
720 slim = sa->sa_len + (u_char *) sa;
721 cqlim = cq + sizeof(workbuf) - 6;
722 cq += sprintf(cq, "(%d)", sa->sa_family);
723 while (s < slim && cq < cqlim) {
724 cq += sprintf(cq, " %02x", *s++);
725 if (s < slim)
726 cq += sprintf(cq, "%02x", *s++);
727 }
728 cp = workbuf;
729 }
730 }
731
732 return (cp);
733}
734
735static void
736p_flags(int f, const char *format)
737{
738 printf(format, fmt_flags(f));
739}
740
741static const char *
742fmt_flags(int f)
743{
744 static char name[33];
745 char *flags;
746 struct bits *p = bits;
747
748 for (flags = name; p->b_mask; p++)
749 if (p->b_mask & f)
750 *flags++ = p->b_val;
751 *flags = '\0';
752 return (name);
753}
754
755static void
756p_rtentry(struct rtentry *rt)
757{
758 static struct ifnet ifnet, *lastif;
759 static char buffer[128];
760 static char prettyname[128];
761 struct sockaddr *sa;
762 sa_u addr, mask;
763
764 bzero(&addr, sizeof(addr));
765 if ((sa = kgetsa(rt_key(rt))))
766 bcopy(sa, &addr, sa->sa_len);
767 bzero(&mask, sizeof(mask));
768 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
769 bcopy(sa, &mask, sa->sa_len);
770 p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, wid_dst);
771 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, wid_gw);
772 snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags);
773 p_flags(rt->rt_flags, buffer);
774 if (addr.u_sa.sa_family == AF_INET || Wflag) {
775 printf("%*d %*lu ", wid_refs, rt->rt_refcnt,
776 wid_use, rt->rt_use);
777 if (Wflag) {
778 if (rt->rt_rmx.rmx_mtu != 0)
779 printf("%*lu ", wid_mtu, rt->rt_rmx.rmx_mtu);
780 else
781 printf("%*s ", wid_mtu, "");
782 }
783 }
784 if (rt->rt_ifp) {
785 if (rt->rt_ifp != lastif) {
786 if (kget(rt->rt_ifp, ifnet) == 0)
787 strlcpy(prettyname, ifnet.if_xname,
788 sizeof(prettyname));
789 else
790 strlcpy(prettyname, "---", sizeof(prettyname));
791 lastif = rt->rt_ifp;
792 }
793 printf("%*.*s", wid_if, wid_if, prettyname);
794 if (rt->rt_rmx.rmx_expire) {
795 time_t expire_time;
796
797 if ((expire_time =
798 rt->rt_rmx.rmx_expire - uptime.tv_sec) > 0)
799 printf(" %*d", wid_expire, (int)expire_time);
800 }
801 if (rt->rt_nodes[0].rn_dupedkey)
802 printf(" =>");
803 }
804 putchar('\n');
805}
806
807char *
808routename(in_addr_t in)
809{
810 char *cp;
811 static char line[MAXHOSTNAMELEN];
812 struct hostent *hp;
813
814 cp = 0;
815 if (!numeric_addr) {
816 hp = gethostbyaddr(&in, sizeof (struct in_addr), AF_INET);
817 if (hp) {
818 cp = hp->h_name;
819 trimdomain(cp, strlen(cp));
820 }
821 }
822 if (cp) {
823 strlcpy(line, cp, sizeof(line));
824 } else {
825#define C(x) ((x) & 0xff)
826 in = ntohl(in);
827 sprintf(line, "%u.%u.%u.%u",
828 C(in >> 24), C(in >> 16), C(in >> 8), C(in));
829 }
830 return (line);
831}
832
833#define NSHIFT(m) ( \
834 (m) == IN_CLASSA_NET ? IN_CLASSA_NSHIFT : \
835 (m) == IN_CLASSB_NET ? IN_CLASSB_NSHIFT : \
836 (m) == IN_CLASSC_NET ? IN_CLASSC_NSHIFT : \
837 0)
838
839static void
840domask(char *dst, in_addr_t addr __unused, u_long mask)
841{
842 int b, i;
843
844 if (mask == 0 || (!numeric_addr && NSHIFT(mask) != 0)) {
845 *dst = '\0';
846 return;
847 }
848 i = 0;
849 for (b = 0; b < 32; b++)
850 if (mask & (1 << b)) {
851 int bb;
852
853 i = b;
854 for (bb = b+1; bb < 32; bb++)
855 if (!(mask & (1 << bb))) {
856 i = -1; /* noncontig */
857 break;
858 }
859 break;
860 }
861 if (i == -1)
862 sprintf(dst, "&0x%lx", mask);
863 else
864 sprintf(dst, "/%d", 32-i);
865}
866
867/*
868 * Return the name of the network whose address is given.
869 * The address is assumed to be that of a net or subnet, not a host.
870 */
871char *
872netname(in_addr_t in, u_long mask)
873{
874 char *cp = 0;
875 static char line[MAXHOSTNAMELEN];
876 struct netent *np = 0;
877 in_addr_t i;
878
879 i = ntohl(in);
880 if (!numeric_addr && i) {
881 np = getnetbyaddr(i >> NSHIFT(mask), AF_INET);
882 if (np != NULL) {
883 cp = np->n_name;
884 trimdomain(cp, strlen(cp));
885 }
886 }
887 if (cp != NULL) {
888 strlcpy(line, cp, sizeof(line));
889 } else {
890 inet_ntop(AF_INET, &in, line, sizeof(line) - 1);
891 }
892 domask(line + strlen(line), i, mask);
893 return (line);
894}
895
896#undef NSHIFT
897
898#ifdef INET6
899const char *
900netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
901{
902 static char line[MAXHOSTNAMELEN];
903 u_char *p = (u_char *)mask;
904 u_char *lim;
905 int masklen, illegal = 0, flag = 0;
906
907 if (mask) {
908 for (masklen = 0, lim = p + 16; p < lim; p++) {
909 switch (*p) {
910 case 0xff:
911 masklen += 8;
912 break;
913 case 0xfe:
914 masklen += 7;
915 break;
916 case 0xfc:
917 masklen += 6;
918 break;
919 case 0xf8:
920 masklen += 5;
921 break;
922 case 0xf0:
923 masklen += 4;
924 break;
925 case 0xe0:
926 masklen += 3;
927 break;
928 case 0xc0:
929 masklen += 2;
930 break;
931 case 0x80:
932 masklen += 1;
933 break;
934 case 0x00:
935 break;
936 default:
937 illegal ++;
938 break;
939 }
940 }
941 if (illegal)
942 fprintf(stderr, "illegal prefixlen\n");
943 }
944 else
945 masklen = 128;
946
947 if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sa6->sin6_addr))
948 return("default");
949
950 if (numeric_addr)
951 flag |= NI_NUMERICHOST;
952 getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line),
953 NULL, 0, flag);
954
955 if (numeric_addr)
956 sprintf(&line[strlen(line)], "/%d", masklen);
957
958 return line;
959}
960
961char *
962routename6(struct sockaddr_in6 *sa6)
963{
964 static char line[MAXHOSTNAMELEN];
965 int flag = 0;
966 /* use local variable for safety */
967 struct sockaddr_in6 sa6_local;
968
969 sa6_local.sin6_family = AF_INET6;
970 sa6_local.sin6_len = sizeof(sa6_local);
971 sa6_local.sin6_addr = sa6->sin6_addr;
972 sa6_local.sin6_scope_id = sa6->sin6_scope_id;
973
974 if (numeric_addr)
975 flag |= NI_NUMERICHOST;
976
977 getnameinfo((struct sockaddr *)&sa6_local, sa6_local.sin6_len,
978 line, sizeof(line), NULL, 0, flag);
979
980 return line;
981}
982#endif /*INET6*/
983
984/*
985 * Print routing statistics
986 */
987void
988rt_stats(u_long rtsaddr, u_long rttaddr)
989{
990 struct rtstat rtstat;
991 int rttrash;
992
993 if (rtsaddr == 0) {
994 printf("rtstat: symbol not in namelist\n");
995 return;
996 }
997 if (rttaddr == 0) {
998 printf("rttrash: symbol not in namelist\n");
999 return;
1000 }
1001 kread(rtsaddr, (char *)&rtstat, sizeof (rtstat));
1002 kread(rttaddr, (char *)&rttrash, sizeof (rttrash));
1003 printf("routing:\n");
1004
1005#define p(f, m) if (rtstat.f || sflag <= 1) \
1006 printf(m, rtstat.f, plural(rtstat.f))
1007
1008 p(rts_badredirect, "\t%u bad routing redirect%s\n");
1009 p(rts_dynamic, "\t%u dynamically created route%s\n");
1010 p(rts_newgateway, "\t%u new gateway%s due to redirects\n");
1011 p(rts_unreach, "\t%u destination%s found unreachable\n");
1012 p(rts_wildcard, "\t%u use%s of a wildcard route\n");
1013#undef p
1014
1015 if (rttrash || sflag <= 1)
1016 printf("\t%u route%s not in table but not freed\n",
1017 rttrash, plural(rttrash));
1018}
1019
1020char *
1021ipx_print(struct sockaddr *sa)
1022{
1023 u_short port;
1024 struct servent *sp = 0;
1025 const char *net = "", *host = "";
1026 char *p;
1027 u_char *q;
1028 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
1029 static char mybuf[50];
1030 char cport[10], chost[15], cnet[15];
1031
1032 port = ntohs(work.x_port);
1033
1034 if (ipx_nullnet(work) && ipx_nullhost(work)) {
1035
1036 if (port) {
1037 if (sp)
1038 sprintf(mybuf, "*.%s", sp->s_name);
1039 else
1040 sprintf(mybuf, "*.%x", port);
1041 } else
1042 sprintf(mybuf, "*.*");
1043
1044 return (mybuf);
1045 }
1046
1047 if (ipx_wildnet(work))
1048 net = "any";
1049 else if (ipx_nullnet(work))
1050 net = "*";
1051 else {
1052 q = work.x_net.c_net;
1053 sprintf(cnet, "%02x%02x%02x%02x",
1054 q[0], q[1], q[2], q[3]);
1055 for (p = cnet; *p == '0' && p < cnet + 8; p++)
1056 continue;
1057 net = p;
1058 }
1059
1060 if (ipx_wildhost(work))
1061 host = "any";
1062 else if (ipx_nullhost(work))
1063 host = "*";
1064 else {
1065 q = work.x_host.c_host;
1066 sprintf(chost, "%02x%02x%02x%02x%02x%02x",
1067 q[0], q[1], q[2], q[3], q[4], q[5]);
1068 for (p = chost; *p == '0' && p < chost + 12; p++)
1069 continue;
1070 host = p;
1071 }
1072
1073 if (port) {
1074 if (strcmp(host, "*") == 0)
1075 host = "";
1076 if (sp)
1077 snprintf(cport, sizeof(cport),
1078 "%s%s", *host ? "." : "", sp->s_name);
1079 else
1080 snprintf(cport, sizeof(cport),
1081 "%s%x", *host ? "." : "", port);
1082 } else
1083 *cport = 0;
1084
1085 snprintf(mybuf, sizeof(mybuf), "%s.%s%s", net, host, cport);
1086 return(mybuf);
1087}
1088
1089char *
1090ipx_phost(struct sockaddr *sa)
1091{
1092 struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa;
1093 struct sockaddr_ipx work;
1094 static union ipx_net ipx_zeronet;
1095 char *p;
1096 struct ipx_addr in;
1097
1098 work = *sipx;
1099 in = work.sipx_addr;
1100
1101 work.sipx_addr.x_port = 0;
1102 work.sipx_addr.x_net = ipx_zeronet;
1103 p = ipx_print((struct sockaddr *)&work);
1104 if (strncmp("*.", p, 2) == 0) p += 2;
1105
1106 return(p);
1107}
1108
1109void
1110upHex(char *p0)
1111{
1112 char *p = p0;
1113
1114 for (; *p; p++)
1115 switch (*p) {
1116
1117 case 'a':
1118 case 'b':
1119 case 'c':
1120 case 'd':
1121 case 'e':
1122 case 'f':
1123 *p += ('A' - 'a');
1124 break;
1125 }
1126}
| 203 if (kget(rnh, head) != 0)
204 continue;
205 if (i == AF_UNSPEC) {
206 if (Aflag && af == 0) {
207 printf("Netmasks:\n");
208 p_tree(head.rnh_treetop);
209 }
210 } else if (af == AF_UNSPEC || af == i) {
211 size_cols(i, head.rnh_treetop);
212 pr_family(i);
213 do_rtent = 1;
214 pr_rthdr(i);
215 p_tree(head.rnh_treetop);
216 }
217 }
218 }
219}
220
221/*
222 * Print address family header before a section of the routing table.
223 */
224void
225pr_family(int af1)
226{
227 const char *afname;
228
229 switch (af1) {
230 case AF_INET:
231 afname = "Internet";
232 break;
233#ifdef INET6
234 case AF_INET6:
235 afname = "Internet6";
236 break;
237#endif /*INET6*/
238 case AF_IPX:
239 afname = "IPX";
240 break;
241 case AF_ISO:
242 afname = "ISO";
243 break;
244 case AF_APPLETALK:
245 afname = "AppleTalk";
246 break;
247 case AF_CCITT:
248 afname = "X.25";
249 break;
250 case AF_NETGRAPH:
251 afname = "Netgraph";
252 break;
253 default:
254 afname = NULL;
255 break;
256 }
257 if (afname)
258 printf("\n%s:\n", afname);
259 else
260 printf("\nProtocol Family %d:\n", af1);
261}
262
263/* column widths; each followed by one space */
264#ifndef INET6
265#define WID_DST_DEFAULT(af) 18 /* width of destination column */
266#define WID_GW_DEFAULT(af) 18 /* width of gateway column */
267#define WID_IF_DEFAULT(af) (Wflag ? 8 : 6) /* width of netif column */
268#else
269#define WID_DST_DEFAULT(af) \
270 ((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18)
271#define WID_GW_DEFAULT(af) \
272 ((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18)
273#define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : (Wflag ? 8 : 6))
274#endif /*INET6*/
275
276static int wid_dst;
277static int wid_gw;
278static int wid_flags;
279static int wid_refs;
280static int wid_use;
281static int wid_mtu;
282static int wid_if;
283static int wid_expire;
284
285static void
286size_cols(int ef __unused, struct radix_node *rn)
287{
288 wid_dst = WID_DST_DEFAULT(ef);
289 wid_gw = WID_GW_DEFAULT(ef);
290 wid_flags = 6;
291 wid_refs = 6;
292 wid_use = 8;
293 wid_mtu = 6;
294 wid_if = WID_IF_DEFAULT(ef);
295 wid_expire = 6;
296
297 if (Wflag)
298 size_cols_tree(rn);
299}
300
301static void
302size_cols_tree(struct radix_node *rn)
303{
304again:
305 if (kget(rn, rnode) != 0)
306 return;
307 if (!(rnode.rn_flags & RNF_ACTIVE))
308 return;
309 if (rnode.rn_bit < 0) {
310 if ((rnode.rn_flags & RNF_ROOT) == 0) {
311 if (kget(rn, rtentry) != 0)
312 return;
313 size_cols_rtentry(&rtentry);
314 }
315 if ((rn = rnode.rn_dupedkey))
316 goto again;
317 } else {
318 rn = rnode.rn_right;
319 size_cols_tree(rnode.rn_left);
320 size_cols_tree(rn);
321 }
322}
323
324static void
325size_cols_rtentry(struct rtentry *rt)
326{
327 static struct ifnet ifnet, *lastif;
328 static char buffer[100];
329 const char *bp;
330 struct sockaddr *sa;
331 sa_u addr, mask;
332 int len;
333
334 bzero(&addr, sizeof(addr));
335 if ((sa = kgetsa(rt_key(rt))))
336 bcopy(sa, &addr, sa->sa_len);
337 bzero(&mask, sizeof(mask));
338 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
339 bcopy(sa, &mask, sa->sa_len);
340 bp = fmt_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags);
341 len = strlen(bp);
342 wid_dst = MAX(len, wid_dst);
343
344 bp = fmt_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST);
345 len = strlen(bp);
346 wid_gw = MAX(len, wid_gw);
347
348 bp = fmt_flags(rt->rt_flags);
349 len = strlen(bp);
350 wid_flags = MAX(len, wid_flags);
351
352 if (addr.u_sa.sa_family == AF_INET || Wflag) {
353 len = snprintf(buffer, sizeof(buffer), "%d", rt->rt_refcnt);
354 wid_refs = MAX(len, wid_refs);
355 len = snprintf(buffer, sizeof(buffer), "%lu", rt->rt_use);
356 wid_use = MAX(len, wid_use);
357 if (Wflag && rt->rt_rmx.rmx_mtu != 0) {
358 len = snprintf(buffer, sizeof(buffer),
359 "%lu", rt->rt_rmx.rmx_mtu);
360 wid_mtu = MAX(len, wid_mtu);
361 }
362 }
363 if (rt->rt_ifp) {
364 if (rt->rt_ifp != lastif) {
365 if (kget(rt->rt_ifp, ifnet) == 0)
366 len = strlen(ifnet.if_xname);
367 else
368 len = strlen("---");
369 lastif = rt->rt_ifp;
370 wid_if = MAX(len, wid_if);
371 }
372 if (rt->rt_rmx.rmx_expire) {
373 time_t expire_time;
374
375 if ((expire_time =
376 rt->rt_rmx.rmx_expire - uptime.tv_sec) > 0) {
377 len = snprintf(buffer, sizeof(buffer), "%d",
378 (int)expire_time);
379 wid_expire = MAX(len, wid_expire);
380 }
381 }
382 }
383}
384
385
386/*
387 * Print header for routing table columns.
388 */
389void
390pr_rthdr(int af1)
391{
392
393 if (Aflag)
394 printf("%-8.8s ","Address");
395 if (af1 == AF_INET || Wflag) {
396 if (Wflag) {
397 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*.*s %*s\n",
398 wid_dst, wid_dst, "Destination",
399 wid_gw, wid_gw, "Gateway",
400 wid_flags, wid_flags, "Flags",
401 wid_refs, wid_refs, "Refs",
402 wid_use, wid_use, "Use",
403 wid_mtu, wid_mtu, "Mtu",
404 wid_if, wid_if, "Netif",
405 wid_expire, "Expire");
406 } else {
407 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*s\n",
408 wid_dst, wid_dst, "Destination",
409 wid_gw, wid_gw, "Gateway",
410 wid_flags, wid_flags, "Flags",
411 wid_refs, wid_refs, "Refs",
412 wid_use, wid_use, "Use",
413 wid_if, wid_if, "Netif",
414 wid_expire, "Expire");
415 }
416 } else {
417 printf("%-*.*s %-*.*s %-*.*s %*.*s %*s\n",
418 wid_dst, wid_dst, "Destination",
419 wid_gw, wid_gw, "Gateway",
420 wid_flags, wid_flags, "Flags",
421 wid_if, wid_if, "Netif",
422 wid_expire, "Expire");
423 }
424}
425
426static struct sockaddr *
427kgetsa(struct sockaddr *dst)
428{
429
430 if (kget(dst, pt_u.u_sa) != 0)
431 return (NULL);
432 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
433 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
434 return (&pt_u.u_sa);
435}
436
437static void
438p_tree(struct radix_node *rn)
439{
440
441again:
442 if (kget(rn, rnode) != 0)
443 return;
444 if (!(rnode.rn_flags & RNF_ACTIVE))
445 return;
446 if (rnode.rn_bit < 0) {
447 if (Aflag)
448 printf("%-8.8lx ", (u_long)rn);
449 if (rnode.rn_flags & RNF_ROOT) {
450 if (Aflag)
451 printf("(root node)%s",
452 rnode.rn_dupedkey ? " =>\n" : "\n");
453 } else if (do_rtent) {
454 if (kget(rn, rtentry) == 0) {
455 p_rtentry(&rtentry);
456 if (Aflag)
457 p_rtnode();
458 }
459 } else {
460 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
461 NULL, 0, 44);
462 putchar('\n');
463 }
464 if ((rn = rnode.rn_dupedkey))
465 goto again;
466 } else {
467 if (Aflag && do_rtent) {
468 printf("%-8.8lx ", (u_long)rn);
469 p_rtnode();
470 }
471 rn = rnode.rn_right;
472 p_tree(rnode.rn_left);
473 p_tree(rn);
474 }
475}
476
477char nbuf[20];
478
479static void
480p_rtnode(void)
481{
482 struct radix_mask *rm = rnode.rn_mklist;
483
484 if (rnode.rn_bit < 0) {
485 if (rnode.rn_mask) {
486 printf("\t mask ");
487 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
488 NULL, 0, -1);
489 } else if (rm == 0)
490 return;
491 } else {
492 sprintf(nbuf, "(%d)", rnode.rn_bit);
493 printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_left, (u_long)rnode.rn_right);
494 }
495 while (rm) {
496 if (kget(rm, rmask) != 0)
497 break;
498 sprintf(nbuf, " %d refs, ", rmask.rm_refs);
499 printf(" mk = %8.8lx {(%d),%s",
500 (u_long)rm, -1 - rmask.rm_bit, rmask.rm_refs ? nbuf : " ");
501 if (rmask.rm_flags & RNF_NORMAL) {
502 struct radix_node rnode_aux;
503 printf(" <normal>, ");
504 if (kget(rmask.rm_leaf, rnode_aux) == 0)
505 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
506 NULL, 0, -1);
507 else
508 p_sockaddr(NULL, NULL, 0, -1);
509 } else
510 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
511 NULL, 0, -1);
512 putchar('}');
513 if ((rm = rmask.rm_mklist))
514 printf(" ->");
515 }
516 putchar('\n');
517}
518
519static void
520ntreestuff(void)
521{
522 size_t needed;
523 int mib[6];
524 char *buf, *next, *lim;
525 struct rt_msghdr *rtm;
526
527 mib[0] = CTL_NET;
528 mib[1] = PF_ROUTE;
529 mib[2] = 0;
530 mib[3] = 0;
531 mib[4] = NET_RT_DUMP;
532 mib[5] = 0;
533 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
534 err(1, "sysctl: net.route.0.0.dump estimate");
535 }
536
537 if ((buf = malloc(needed)) == 0) {
538 errx(2, "malloc(%lu)", (unsigned long)needed);
539 }
540 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
541 err(1, "sysctl: net.route.0.0.dump");
542 }
543 lim = buf + needed;
544 for (next = buf; next < lim; next += rtm->rtm_msglen) {
545 rtm = (struct rt_msghdr *)next;
546 np_rtentry(rtm);
547 }
548}
549
550static void
551np_rtentry(struct rt_msghdr *rtm)
552{
553 struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
554#ifdef notdef
555 static int masks_done, banner_printed;
556#endif
557 static int old_af;
558 int af1 = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
559
560#ifdef notdef
561 /* for the moment, netmasks are skipped over */
562 if (!banner_printed) {
563 printf("Netmasks:\n");
564 banner_printed = 1;
565 }
566 if (masks_done == 0) {
567 if (rtm->rtm_addrs != RTA_DST ) {
568 masks_done = 1;
569 af1 = sa->sa_family;
570 }
571 } else
572#endif
573 af1 = sa->sa_family;
574 if (af1 != old_af) {
575 pr_family(af1);
576 old_af = af1;
577 }
578 if (rtm->rtm_addrs == RTA_DST)
579 p_sockaddr(sa, NULL, 0, 36);
580 else {
581 p_sockaddr(sa, NULL, rtm->rtm_flags, 16);
582 sa = (struct sockaddr *)(SA_SIZE(sa) + (char *)sa);
583 p_sockaddr(sa, NULL, 0, 18);
584 }
585 p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
586 putchar('\n');
587}
588
589static void
590p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
591{
592 const char *cp;
593
594 cp = fmt_sockaddr(sa, mask, flags);
595
596 if (width < 0 )
597 printf("%s ", cp);
598 else {
599 if (numeric_addr)
600 printf("%-*s ", width, cp);
601 else
602 printf("%-*.*s ", width, width, cp);
603 }
604}
605
606static const char *
607fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags)
608{
609 static char workbuf[128];
610 const char *cp;
611
612 if (sa == NULL)
613 return ("null");
614
615 switch(sa->sa_family) {
616 case AF_INET:
617 {
618 struct sockaddr_in *sockin = (struct sockaddr_in *)sa;
619
620 if ((sockin->sin_addr.s_addr == INADDR_ANY) &&
621 mask &&
622 ntohl(((struct sockaddr_in *)mask)->sin_addr.s_addr)
623 ==0L)
624 cp = "default" ;
625 else if (flags & RTF_HOST)
626 cp = routename(sockin->sin_addr.s_addr);
627 else if (mask)
628 cp = netname(sockin->sin_addr.s_addr,
629 ntohl(((struct sockaddr_in *)mask)
630 ->sin_addr.s_addr));
631 else
632 cp = netname(sockin->sin_addr.s_addr, 0L);
633 break;
634 }
635
636#ifdef INET6
637 case AF_INET6:
638 {
639 struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
640 struct in6_addr *in6 = &sa6->sin6_addr;
641
642 /*
643 * XXX: This is a special workaround for KAME kernels.
644 * sin6_scope_id field of SA should be set in the future.
645 */
646 if (IN6_IS_ADDR_LINKLOCAL(in6) ||
647 IN6_IS_ADDR_MC_LINKLOCAL(in6)) {
648 /* XXX: override is ok? */
649 sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)&in6->s6_addr[2]);
650 *(u_short *)&in6->s6_addr[2] = 0;
651 }
652
653 if (flags & RTF_HOST)
654 cp = routename6(sa6);
655 else if (mask)
656 cp = netname6(sa6,
657 &((struct sockaddr_in6 *)mask)->sin6_addr);
658 else {
659 cp = netname6(sa6, NULL);
660 }
661 break;
662 }
663#endif /*INET6*/
664
665 case AF_IPX:
666 {
667 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
668 if (ipx_nullnet(satoipx_addr(work)))
669 cp = "default";
670 else
671 cp = ipx_print(sa);
672 break;
673 }
674 case AF_APPLETALK:
675 {
676 if (!(flags & RTF_HOST) && mask)
677 cp = atalk_print2(sa,mask,9);
678 else
679 cp = atalk_print(sa,11);
680 break;
681 }
682 case AF_NETGRAPH:
683 {
684 strlcpy(workbuf, ((struct sockaddr_ng *)sa)->sg_data,
685 sizeof(workbuf));
686 cp = workbuf;
687 break;
688 }
689
690 case AF_LINK:
691 {
692 struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
693
694 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
695 sdl->sdl_slen == 0) {
696 (void) sprintf(workbuf, "link#%d", sdl->sdl_index);
697 cp = workbuf;
698 } else
699 switch (sdl->sdl_type) {
700
701 case IFT_ETHER:
702 case IFT_L2VLAN:
703 case IFT_BRIDGE:
704 if (sdl->sdl_alen == ETHER_ADDR_LEN) {
705 cp = ether_ntoa((struct ether_addr *)
706 (sdl->sdl_data + sdl->sdl_nlen));
707 break;
708 }
709 /* FALLTHROUGH */
710 default:
711 cp = link_ntoa(sdl);
712 break;
713 }
714 break;
715 }
716
717 default:
718 {
719 u_char *s = (u_char *)sa->sa_data, *slim;
720 char *cq, *cqlim;
721
722 cq = workbuf;
723 slim = sa->sa_len + (u_char *) sa;
724 cqlim = cq + sizeof(workbuf) - 6;
725 cq += sprintf(cq, "(%d)", sa->sa_family);
726 while (s < slim && cq < cqlim) {
727 cq += sprintf(cq, " %02x", *s++);
728 if (s < slim)
729 cq += sprintf(cq, "%02x", *s++);
730 }
731 cp = workbuf;
732 }
733 }
734
735 return (cp);
736}
737
738static void
739p_flags(int f, const char *format)
740{
741 printf(format, fmt_flags(f));
742}
743
744static const char *
745fmt_flags(int f)
746{
747 static char name[33];
748 char *flags;
749 struct bits *p = bits;
750
751 for (flags = name; p->b_mask; p++)
752 if (p->b_mask & f)
753 *flags++ = p->b_val;
754 *flags = '\0';
755 return (name);
756}
757
758static void
759p_rtentry(struct rtentry *rt)
760{
761 static struct ifnet ifnet, *lastif;
762 static char buffer[128];
763 static char prettyname[128];
764 struct sockaddr *sa;
765 sa_u addr, mask;
766
767 bzero(&addr, sizeof(addr));
768 if ((sa = kgetsa(rt_key(rt))))
769 bcopy(sa, &addr, sa->sa_len);
770 bzero(&mask, sizeof(mask));
771 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
772 bcopy(sa, &mask, sa->sa_len);
773 p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, wid_dst);
774 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, wid_gw);
775 snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags);
776 p_flags(rt->rt_flags, buffer);
777 if (addr.u_sa.sa_family == AF_INET || Wflag) {
778 printf("%*d %*lu ", wid_refs, rt->rt_refcnt,
779 wid_use, rt->rt_use);
780 if (Wflag) {
781 if (rt->rt_rmx.rmx_mtu != 0)
782 printf("%*lu ", wid_mtu, rt->rt_rmx.rmx_mtu);
783 else
784 printf("%*s ", wid_mtu, "");
785 }
786 }
787 if (rt->rt_ifp) {
788 if (rt->rt_ifp != lastif) {
789 if (kget(rt->rt_ifp, ifnet) == 0)
790 strlcpy(prettyname, ifnet.if_xname,
791 sizeof(prettyname));
792 else
793 strlcpy(prettyname, "---", sizeof(prettyname));
794 lastif = rt->rt_ifp;
795 }
796 printf("%*.*s", wid_if, wid_if, prettyname);
797 if (rt->rt_rmx.rmx_expire) {
798 time_t expire_time;
799
800 if ((expire_time =
801 rt->rt_rmx.rmx_expire - uptime.tv_sec) > 0)
802 printf(" %*d", wid_expire, (int)expire_time);
803 }
804 if (rt->rt_nodes[0].rn_dupedkey)
805 printf(" =>");
806 }
807 putchar('\n');
808}
809
810char *
811routename(in_addr_t in)
812{
813 char *cp;
814 static char line[MAXHOSTNAMELEN];
815 struct hostent *hp;
816
817 cp = 0;
818 if (!numeric_addr) {
819 hp = gethostbyaddr(&in, sizeof (struct in_addr), AF_INET);
820 if (hp) {
821 cp = hp->h_name;
822 trimdomain(cp, strlen(cp));
823 }
824 }
825 if (cp) {
826 strlcpy(line, cp, sizeof(line));
827 } else {
828#define C(x) ((x) & 0xff)
829 in = ntohl(in);
830 sprintf(line, "%u.%u.%u.%u",
831 C(in >> 24), C(in >> 16), C(in >> 8), C(in));
832 }
833 return (line);
834}
835
836#define NSHIFT(m) ( \
837 (m) == IN_CLASSA_NET ? IN_CLASSA_NSHIFT : \
838 (m) == IN_CLASSB_NET ? IN_CLASSB_NSHIFT : \
839 (m) == IN_CLASSC_NET ? IN_CLASSC_NSHIFT : \
840 0)
841
842static void
843domask(char *dst, in_addr_t addr __unused, u_long mask)
844{
845 int b, i;
846
847 if (mask == 0 || (!numeric_addr && NSHIFT(mask) != 0)) {
848 *dst = '\0';
849 return;
850 }
851 i = 0;
852 for (b = 0; b < 32; b++)
853 if (mask & (1 << b)) {
854 int bb;
855
856 i = b;
857 for (bb = b+1; bb < 32; bb++)
858 if (!(mask & (1 << bb))) {
859 i = -1; /* noncontig */
860 break;
861 }
862 break;
863 }
864 if (i == -1)
865 sprintf(dst, "&0x%lx", mask);
866 else
867 sprintf(dst, "/%d", 32-i);
868}
869
870/*
871 * Return the name of the network whose address is given.
872 * The address is assumed to be that of a net or subnet, not a host.
873 */
874char *
875netname(in_addr_t in, u_long mask)
876{
877 char *cp = 0;
878 static char line[MAXHOSTNAMELEN];
879 struct netent *np = 0;
880 in_addr_t i;
881
882 i = ntohl(in);
883 if (!numeric_addr && i) {
884 np = getnetbyaddr(i >> NSHIFT(mask), AF_INET);
885 if (np != NULL) {
886 cp = np->n_name;
887 trimdomain(cp, strlen(cp));
888 }
889 }
890 if (cp != NULL) {
891 strlcpy(line, cp, sizeof(line));
892 } else {
893 inet_ntop(AF_INET, &in, line, sizeof(line) - 1);
894 }
895 domask(line + strlen(line), i, mask);
896 return (line);
897}
898
899#undef NSHIFT
900
901#ifdef INET6
902const char *
903netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
904{
905 static char line[MAXHOSTNAMELEN];
906 u_char *p = (u_char *)mask;
907 u_char *lim;
908 int masklen, illegal = 0, flag = 0;
909
910 if (mask) {
911 for (masklen = 0, lim = p + 16; p < lim; p++) {
912 switch (*p) {
913 case 0xff:
914 masklen += 8;
915 break;
916 case 0xfe:
917 masklen += 7;
918 break;
919 case 0xfc:
920 masklen += 6;
921 break;
922 case 0xf8:
923 masklen += 5;
924 break;
925 case 0xf0:
926 masklen += 4;
927 break;
928 case 0xe0:
929 masklen += 3;
930 break;
931 case 0xc0:
932 masklen += 2;
933 break;
934 case 0x80:
935 masklen += 1;
936 break;
937 case 0x00:
938 break;
939 default:
940 illegal ++;
941 break;
942 }
943 }
944 if (illegal)
945 fprintf(stderr, "illegal prefixlen\n");
946 }
947 else
948 masklen = 128;
949
950 if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sa6->sin6_addr))
951 return("default");
952
953 if (numeric_addr)
954 flag |= NI_NUMERICHOST;
955 getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line),
956 NULL, 0, flag);
957
958 if (numeric_addr)
959 sprintf(&line[strlen(line)], "/%d", masklen);
960
961 return line;
962}
963
964char *
965routename6(struct sockaddr_in6 *sa6)
966{
967 static char line[MAXHOSTNAMELEN];
968 int flag = 0;
969 /* use local variable for safety */
970 struct sockaddr_in6 sa6_local;
971
972 sa6_local.sin6_family = AF_INET6;
973 sa6_local.sin6_len = sizeof(sa6_local);
974 sa6_local.sin6_addr = sa6->sin6_addr;
975 sa6_local.sin6_scope_id = sa6->sin6_scope_id;
976
977 if (numeric_addr)
978 flag |= NI_NUMERICHOST;
979
980 getnameinfo((struct sockaddr *)&sa6_local, sa6_local.sin6_len,
981 line, sizeof(line), NULL, 0, flag);
982
983 return line;
984}
985#endif /*INET6*/
986
987/*
988 * Print routing statistics
989 */
990void
991rt_stats(u_long rtsaddr, u_long rttaddr)
992{
993 struct rtstat rtstat;
994 int rttrash;
995
996 if (rtsaddr == 0) {
997 printf("rtstat: symbol not in namelist\n");
998 return;
999 }
1000 if (rttaddr == 0) {
1001 printf("rttrash: symbol not in namelist\n");
1002 return;
1003 }
1004 kread(rtsaddr, (char *)&rtstat, sizeof (rtstat));
1005 kread(rttaddr, (char *)&rttrash, sizeof (rttrash));
1006 printf("routing:\n");
1007
1008#define p(f, m) if (rtstat.f || sflag <= 1) \
1009 printf(m, rtstat.f, plural(rtstat.f))
1010
1011 p(rts_badredirect, "\t%u bad routing redirect%s\n");
1012 p(rts_dynamic, "\t%u dynamically created route%s\n");
1013 p(rts_newgateway, "\t%u new gateway%s due to redirects\n");
1014 p(rts_unreach, "\t%u destination%s found unreachable\n");
1015 p(rts_wildcard, "\t%u use%s of a wildcard route\n");
1016#undef p
1017
1018 if (rttrash || sflag <= 1)
1019 printf("\t%u route%s not in table but not freed\n",
1020 rttrash, plural(rttrash));
1021}
1022
1023char *
1024ipx_print(struct sockaddr *sa)
1025{
1026 u_short port;
1027 struct servent *sp = 0;
1028 const char *net = "", *host = "";
1029 char *p;
1030 u_char *q;
1031 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
1032 static char mybuf[50];
1033 char cport[10], chost[15], cnet[15];
1034
1035 port = ntohs(work.x_port);
1036
1037 if (ipx_nullnet(work) && ipx_nullhost(work)) {
1038
1039 if (port) {
1040 if (sp)
1041 sprintf(mybuf, "*.%s", sp->s_name);
1042 else
1043 sprintf(mybuf, "*.%x", port);
1044 } else
1045 sprintf(mybuf, "*.*");
1046
1047 return (mybuf);
1048 }
1049
1050 if (ipx_wildnet(work))
1051 net = "any";
1052 else if (ipx_nullnet(work))
1053 net = "*";
1054 else {
1055 q = work.x_net.c_net;
1056 sprintf(cnet, "%02x%02x%02x%02x",
1057 q[0], q[1], q[2], q[3]);
1058 for (p = cnet; *p == '0' && p < cnet + 8; p++)
1059 continue;
1060 net = p;
1061 }
1062
1063 if (ipx_wildhost(work))
1064 host = "any";
1065 else if (ipx_nullhost(work))
1066 host = "*";
1067 else {
1068 q = work.x_host.c_host;
1069 sprintf(chost, "%02x%02x%02x%02x%02x%02x",
1070 q[0], q[1], q[2], q[3], q[4], q[5]);
1071 for (p = chost; *p == '0' && p < chost + 12; p++)
1072 continue;
1073 host = p;
1074 }
1075
1076 if (port) {
1077 if (strcmp(host, "*") == 0)
1078 host = "";
1079 if (sp)
1080 snprintf(cport, sizeof(cport),
1081 "%s%s", *host ? "." : "", sp->s_name);
1082 else
1083 snprintf(cport, sizeof(cport),
1084 "%s%x", *host ? "." : "", port);
1085 } else
1086 *cport = 0;
1087
1088 snprintf(mybuf, sizeof(mybuf), "%s.%s%s", net, host, cport);
1089 return(mybuf);
1090}
1091
1092char *
1093ipx_phost(struct sockaddr *sa)
1094{
1095 struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa;
1096 struct sockaddr_ipx work;
1097 static union ipx_net ipx_zeronet;
1098 char *p;
1099 struct ipx_addr in;
1100
1101 work = *sipx;
1102 in = work.sipx_addr;
1103
1104 work.sipx_addr.x_port = 0;
1105 work.sipx_addr.x_net = ipx_zeronet;
1106 p = ipx_print((struct sockaddr *)&work);
1107 if (strncmp("*.", p, 2) == 0) p += 2;
1108
1109 return(p);
1110}
1111
1112void
1113upHex(char *p0)
1114{
1115 char *p = p0;
1116
1117 for (; *p; p++)
1118 switch (*p) {
1119
1120 case 'a':
1121 case 'b':
1122 case 'c':
1123 case 'd':
1124 case 'e':
1125 case 'f':
1126 *p += ('A' - 'a');
1127 break;
1128 }
1129}
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