1/*
2 * Copyright (c) 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35#if 0
36static char sccsid[] = "From: @(#)route.c 8.6 (Berkeley) 4/28/95";
37#endif
38static const char rcsid[] =
39 "$FreeBSD: head/usr.bin/netstat/route.c 100161 2002-07-16 05:57:21Z kbyanc $";
40#endif /* not lint */
41
42#include <sys/param.h>
43#include <sys/protosw.h>
44#include <sys/socket.h>
45#include <sys/time.h>
46
47#include <net/ethernet.h>
48#include <net/if.h>
49#include <net/if_var.h>
50#include <net/if_dl.h>
51#include <net/if_types.h>
52#include <net/route.h>
53
54#include <netinet/in.h>
55#include <netipx/ipx.h>
56#include <netatalk/at.h>
57#include <netgraph/ng_socket.h>
58
59#ifdef NS
60#include <netns/ns.h>
61#endif
62
63#include <sys/sysctl.h>
64
65#include <arpa/inet.h>
66#include <libutil.h>
67#include <netdb.h>
68#include <stdio.h>
69#include <stdlib.h>
70#include <string.h>
71#include <unistd.h>
72#include <err.h>
73#include <time.h>
74#include "netstat.h"
75
76#define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d)))
77
78
79/* alignment constraint for routing socket */
80#define ROUNDUP(a) \
81 ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
82#define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
83
84/*
85 * Definitions for showing gateway flags.
86 */
87struct bits {
88 u_long b_mask;
89 char b_val;
90} bits[] = {
91 { RTF_UP, 'U' },
92 { RTF_GATEWAY, 'G' },
93 { RTF_HOST, 'H' },
94 { RTF_REJECT, 'R' },
95 { RTF_DYNAMIC, 'D' },
96 { RTF_MODIFIED, 'M' },
97 { RTF_DONE, 'd' }, /* Completed -- for routing messages only */
98 { RTF_CLONING, 'C' },
99 { RTF_XRESOLVE, 'X' },
100 { RTF_LLINFO, 'L' },
101 { RTF_STATIC, 'S' },
102 { RTF_PROTO1, '1' },
103 { RTF_PROTO2, '2' },
104 { RTF_WASCLONED,'W' },
105 { RTF_PRCLONING,'c' },
106 { RTF_PROTO3, '3' },
107 { RTF_BLACKHOLE,'B' },
108 { RTF_BROADCAST,'b' },
109 { 0 }
110};
111
112typedef union {
113 long dummy; /* Helps align structure. */
114 struct sockaddr u_sa;
115 u_short u_data[128];
116} sa_u;
117
118static sa_u pt_u;
119
120int do_rtent = 0;
121struct rtentry rtentry;
122struct radix_node rnode;
123struct radix_mask rmask;
124struct radix_node_head *rt_tables[AF_MAX+1];
125
126int NewTree = 0;
127
128static struct sockaddr *kgetsa (struct sockaddr *);
129static void size_cols (int ef, struct radix_node *rn);
130static void size_cols_tree (struct radix_node *rn);
131static void size_cols_rtentry (struct rtentry *rt);
132static void p_tree (struct radix_node *);
133static void p_rtnode (void);
134static void ntreestuff (void);
135static void np_rtentry (struct rt_msghdr *);
136static void p_sockaddr (struct sockaddr *, struct sockaddr *, int, int);
137static const char *fmt_sockaddr (struct sockaddr *sa, struct sockaddr *mask,
138 int flags);
139static void p_flags (int, char *);
140static const char *fmt_flags(int f);
141static void p_rtentry (struct rtentry *);
142static u_long forgemask (u_long);
143static void domask (char *, u_long, u_long);
144
145/*
146 * Print routing tables.
147 */
148void
149routepr(u_long rtree)
150{
151 struct radix_node_head *rnh, head;
152 int i;
153
154 printf("Routing tables\n");
155
156 if (Aflag == 0 && NewTree)
157 ntreestuff();
158 else {
159 if (rtree == 0) {
160 printf("rt_tables: symbol not in namelist\n");
161 return;
162 }
163
164 kget(rtree, rt_tables);
165 for (i = 0; i <= AF_MAX; i++) {
166 if ((rnh = rt_tables[i]) == 0)
167 continue;
168 kget(rnh, head);
169 if (i == AF_UNSPEC) {
170 if (Aflag && af == 0) {
171 printf("Netmasks:\n");
172 p_tree(head.rnh_treetop);
173 }
174 } else if (af == AF_UNSPEC || af == i) {
175 size_cols(i, head.rnh_treetop);
176 pr_family(i);
177 do_rtent = 1;
178 pr_rthdr(i);
179 p_tree(head.rnh_treetop);
180 }
181 }
182 }
183}
184
185/*
186 * Print address family header before a section of the routing table.
187 */
188void
189pr_family(int af)
190{
191 char *afname;
192
193 switch (af) {
194 case AF_INET:
195 afname = "Internet";
196 break;
197#ifdef INET6
198 case AF_INET6:
199 afname = "Internet6";
200 break;
201#endif /*INET6*/
202 case AF_IPX:
203 afname = "IPX";
204 break;
205#ifdef NS
206 case AF_NS:
207 afname = "XNS";
208 break;
209#endif
210 case AF_ISO:
211 afname = "ISO";
212 break;
213 case AF_APPLETALK:
214 afname = "AppleTalk";
215 break;
216 case AF_CCITT:
217 afname = "X.25";
218 break;
219 case AF_NETGRAPH:
220 afname = "Netgraph";
221 break;
222 default:
223 afname = NULL;
224 break;
225 }
226 if (afname)
227 printf("\n%s:\n", afname);
228 else
229 printf("\nProtocol Family %d:\n", af);
230}
231
232/* column widths; each followed by one space */
233#ifndef INET6
234#define WID_DST_DEFAULT(af) 18 /* width of destination column */
235#define WID_GW_DEFAULT(af) 18 /* width of gateway column */
236#define WID_IF_DEFAULT(af) 6 /* width of netif column */
237#else
238#define WID_DST_DEFAULT(af) \
239 ((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18)
240#define WID_GW_DEFAULT(af) \
241 ((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18)
242#define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : 6)
243#endif /*INET6*/
244
245static int wid_dst;
246static int wid_gw;
247static int wid_flags;
248static int wid_refs;
249static int wid_use;
250static int wid_mtu;
251static int wid_if;
252static int wid_expire;
253
254static void
255size_cols(int ef, struct radix_node *rn)
256{
257 wid_dst = WID_DST_DEFAULT(ef);
258 wid_gw = WID_GW_DEFAULT(ef);
259 wid_flags = 6;
260 wid_refs = 6;
261 wid_use = 8;
262 wid_mtu = 6;
263 wid_if = WID_IF_DEFAULT(ef);
264 wid_expire = 6;
265
266 if (Wflag)
267 size_cols_tree(rn);
268}
269
270static void
271size_cols_tree(struct radix_node *rn)
272{
273again:
274 kget(rn, rnode);
275 if (rnode.rn_bit < 0) {
276 if ((rnode.rn_flags & RNF_ROOT) == 0) {
277 kget(rn, rtentry);
278 size_cols_rtentry(&rtentry);
279 }
280 if ((rn = rnode.rn_dupedkey))
281 goto again;
282 } else {
283 rn = rnode.rn_right;
284 size_cols_tree(rnode.rn_left);
285 size_cols_tree(rn);
286 }
287}
288
289static void
290size_cols_rtentry(struct rtentry *rt)
291{
292 static struct ifnet ifnet, *lastif;
293 struct rtentry parent;
294 static char buffer[100];
295 const char *bp;
296 struct sockaddr *sa;
297 sa_u addr, mask;
298 int len;
299
300 /*
301 * Don't print protocol-cloned routes unless -a.
302 */
303 if (rt->rt_flags & RTF_WASCLONED && !aflag) {
304 kget(rt->rt_parent, parent);
305 if (parent.rt_flags & RTF_PRCLONING)
306 return;
307 }
308
309 bzero(&addr, sizeof(addr));
310 if ((sa = kgetsa(rt_key(rt))))
311 bcopy(sa, &addr, sa->sa_len);
312 bzero(&mask, sizeof(mask));
313 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
314 bcopy(sa, &mask, sa->sa_len);
315 bp = fmt_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags);
316 len = strlen(bp);
317 wid_dst = MAX(len, wid_dst);
318
319 bp = fmt_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST);
320 len = strlen(bp);
321 wid_gw = MAX(len, wid_gw);
322
323 bp = fmt_flags(rt->rt_flags);
324 len = strlen(bp);
325 wid_flags = MAX(len, wid_flags);
326
327 if (addr.u_sa.sa_family == AF_INET || Wflag) {
328 len = snprintf(buffer, sizeof(buffer), "%ld", rt->rt_refcnt);
329 wid_refs = MAX(len, wid_refs);
330 len = snprintf(buffer, sizeof(buffer), "%lu", rt->rt_use);
331 wid_use = MAX(len, wid_use);
332 if (Wflag && rt->rt_rmx.rmx_mtu != 0) {
333 len = snprintf(buffer, sizeof(buffer),
334 "%lu", rt->rt_rmx.rmx_mtu);
335 wid_mtu = MAX(len, wid_mtu);
336 }
337 }
338 if (rt->rt_ifp) {
339 if (rt->rt_ifp != lastif) {
340 len = snprintf(buffer, sizeof(buffer), "%d",
341 ifnet.if_unit);
342 kget(rt->rt_ifp, ifnet);
343 kread((u_long)ifnet.if_name, buffer, sizeof(buffer));
344 lastif = rt->rt_ifp;
345 len += strlen(buffer);
346 wid_if = MAX(len, wid_if);
347 }
348 if (rt->rt_rmx.rmx_expire) {
349 time_t expire_time;
350
351 if ((expire_time =
352 rt->rt_rmx.rmx_expire - time(NULL)) > 0) {
353 len = snprintf(buffer, sizeof(buffer), "%d",
354 (int)expire_time);
355 wid_expire = MAX(len, wid_expire);
356 }
357 }
358 }
359}
360
361
362/*
363 * Print header for routing table columns.
364 */
365void
366pr_rthdr(int af)
367{
368
369 if (Aflag)
370 printf("%-8.8s ","Address");
371 if (af == AF_INET || Wflag) {
372 if (Wflag) {
373 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*.*s %*s\n",
374 wid_dst, wid_dst, "Destination",
375 wid_gw, wid_gw, "Gateway",
376 wid_flags, wid_flags, "Flags",
377 wid_refs, wid_refs, "Refs",
378 wid_use, wid_use, "Use",
379 wid_mtu, wid_mtu, "Mtu",
380 wid_if, wid_if, "Netif",
381 wid_expire, "Expire");
382 } else {
383 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*s\n",
384 wid_dst, wid_dst, "Destination",
385 wid_gw, wid_gw, "Gateway",
386 wid_flags, wid_flags, "Flags",
387 wid_refs, wid_refs, "Refs",
388 wid_use, wid_use, "Use",
389 wid_if, wid_if, "Netif",
390 wid_expire, "Expire");
391 }
392 } else {
393 printf("%-*.*s %-*.*s %-*.*s %*.*s %*s\n",
394 wid_dst, wid_dst, "Destination",
395 wid_gw, wid_gw, "Gateway",
396 wid_flags, wid_flags, "Flags",
397 wid_if, wid_if, "Netif",
398 wid_expire, "Expire");
399 }
400}
401
402static struct sockaddr *
403kgetsa(struct sockaddr *dst)
404{
405
406 kget(dst, pt_u.u_sa);
407 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
408 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
409 return (&pt_u.u_sa);
410}
411
412static void
413p_tree(struct radix_node *rn)
414{
415
416again:
417 kget(rn, rnode);
418 if (rnode.rn_bit < 0) {
419 if (Aflag)
420 printf("%-8.8lx ", (u_long)rn);
421 if (rnode.rn_flags & RNF_ROOT) {
422 if (Aflag)
423 printf("(root node)%s",
424 rnode.rn_dupedkey ? " =>\n" : "\n");
425 } else if (do_rtent) {
426 kget(rn, rtentry);
427 p_rtentry(&rtentry);
428 if (Aflag)
429 p_rtnode();
430 } else {
431 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
432 NULL, 0, 44);
433 putchar('\n');
434 }
435 if ((rn = rnode.rn_dupedkey))
436 goto again;
437 } else {
438 if (Aflag && do_rtent) {
439 printf("%-8.8lx ", (u_long)rn);
440 p_rtnode();
441 }
442 rn = rnode.rn_right;
443 p_tree(rnode.rn_left);
444 p_tree(rn);
445 }
446}
447
448char nbuf[20];
449
450static void
451p_rtnode(void)
452{
453 struct radix_mask *rm = rnode.rn_mklist;
454
455 if (rnode.rn_bit < 0) {
456 if (rnode.rn_mask) {
457 printf("\t mask ");
458 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
459 NULL, 0, -1);
460 } else if (rm == 0)
461 return;
462 } else {
463 sprintf(nbuf, "(%d)", rnode.rn_bit);
464 printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_left, (u_long)rnode.rn_right);
465 }
466 while (rm) {
467 kget(rm, rmask);
468 sprintf(nbuf, " %d refs, ", rmask.rm_refs);
469 printf(" mk = %8.8lx {(%d),%s",
470 (u_long)rm, -1 - rmask.rm_bit, rmask.rm_refs ? nbuf : " ");
471 if (rmask.rm_flags & RNF_NORMAL) {
472 struct radix_node rnode_aux;
473 printf(" <normal>, ");
474 kget(rmask.rm_leaf, rnode_aux);
475 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
476 NULL, 0, -1);
477 } else
478 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
479 NULL, 0, -1);
480 putchar('}');
481 if ((rm = rmask.rm_mklist))
482 printf(" ->");
483 }
484 putchar('\n');
485}
486
487static void
488ntreestuff(void)
489{
490 size_t needed;
491 int mib[6];
492 char *buf, *next, *lim;
493 register struct rt_msghdr *rtm;
494
495 mib[0] = CTL_NET;
496 mib[1] = PF_ROUTE;
497 mib[2] = 0;
498 mib[3] = 0;
499 mib[4] = NET_RT_DUMP;
500 mib[5] = 0;
501 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
502 err(1, "sysctl: net.route.0.0.dump estimate");
503 }
504
505 if ((buf = malloc(needed)) == 0) {
506 err(2, "malloc(%lu)", (unsigned long)needed);
507 }
508 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
509 err(1, "sysctl: net.route.0.0.dump");
510 }
511 lim = buf + needed;
512 for (next = buf; next < lim; next += rtm->rtm_msglen) {
513 rtm = (struct rt_msghdr *)next;
514 np_rtentry(rtm);
515 }
516}
517
518static void
519np_rtentry(struct rt_msghdr *rtm)
520{
521 register struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
522#ifdef notdef
523 static int masks_done, banner_printed;
524#endif
525 static int old_af;
526 int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
527
528#ifdef notdef
529 /* for the moment, netmasks are skipped over */
530 if (!banner_printed) {
531 printf("Netmasks:\n");
532 banner_printed = 1;
533 }
534 if (masks_done == 0) {
535 if (rtm->rtm_addrs != RTA_DST ) {
536 masks_done = 1;
537 af = sa->sa_family;
538 }
539 } else
540#endif
541 af = sa->sa_family;
542 if (af != old_af) {
543 pr_family(af);
544 old_af = af;
545 }
546 if (rtm->rtm_addrs == RTA_DST)
547 p_sockaddr(sa, NULL, 0, 36);
548 else {
549 p_sockaddr(sa, NULL, rtm->rtm_flags, 16);
550 sa = (struct sockaddr *)(ROUNDUP(sa->sa_len) + (char *)sa);
551 p_sockaddr(sa, NULL, 0, 18);
552 }
553 p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
554 putchar('\n');
555}
556
557static void
558p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
559{
560 const char *cp;
561
562 cp = fmt_sockaddr(sa, mask, flags);
563
564 if (width < 0 )
565 printf("%s ", cp);
566 else {
567 if (numeric_addr)
568 printf("%-*s ", width, cp);
569 else
570 printf("%-*.*s ", width, width, cp);
571 }
572}
573
574static const char *
575fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags)
576{
577 static char workbuf[128];
578 char *cplim;
579 char *cp = workbuf;
580
581 switch(sa->sa_family) {
582 case AF_INET:
583 {
584 register struct sockaddr_in *sin = (struct sockaddr_in *)sa;
585
586 if ((sin->sin_addr.s_addr == INADDR_ANY) &&
587 mask &&
588 ntohl(((struct sockaddr_in *)mask)->sin_addr.s_addr)
589 ==0L)
590 cp = "default" ;
591 else if (flags & RTF_HOST)
592 cp = routename(sin->sin_addr.s_addr);
593 else if (mask)
594 cp = netname(sin->sin_addr.s_addr,
595 ntohl(((struct sockaddr_in *)mask)
596 ->sin_addr.s_addr));
597 else
598 cp = netname(sin->sin_addr.s_addr, 0L);
599 break;
600 }
601
602#ifdef INET6
603 case AF_INET6:
604 {
605 struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
606 struct in6_addr *in6 = &sa6->sin6_addr;
607
608 /*
609 * XXX: This is a special workaround for KAME kernels.
610 * sin6_scope_id field of SA should be set in the future.
611 */
612 if (IN6_IS_ADDR_LINKLOCAL(in6) ||
613 IN6_IS_ADDR_MC_LINKLOCAL(in6)) {
614 /* XXX: override is ok? */
615 sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)&in6->s6_addr[2]);
616 *(u_short *)&in6->s6_addr[2] = 0;
617 }
618
619 if (flags & RTF_HOST)
620 cp = routename6(sa6);
621 else if (mask)
622 cp = netname6(sa6,
623 &((struct sockaddr_in6 *)mask)->sin6_addr);
624 else {
625 cp = netname6(sa6, NULL);
626 }
627 break;
628 }
629#endif /*INET6*/
630
631 case AF_IPX:
632 {
633 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
634 if (ipx_nullnet(satoipx_addr(work)))
635 cp = "default";
636 else
637 cp = ipx_print(sa);
638 break;
639 }
640 case AF_APPLETALK:
641 {
642 if (!(flags & RTF_HOST) && mask)
643 cp = atalk_print2(sa,mask,9);
644 else
645 cp = atalk_print(sa,11);
646 break;
647 }
648 case AF_NETGRAPH:
649 {
650 printf("%s", ((struct sockaddr_ng *)sa)->sg_data);
651 break;
652 }
653#ifdef NS
654 case AF_NS:
655 cp = ns_print(sa);
656 break;
657#endif
658
659 case AF_LINK:
660 {
661 register struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
662
663 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
664 sdl->sdl_slen == 0)
665 (void) sprintf(workbuf, "link#%d", sdl->sdl_index);
666 else
667 switch (sdl->sdl_type) {
668
669 case IFT_ETHER:
670 if (sdl->sdl_alen == ETHER_ADDR_LEN) {
671 cp = ether_ntoa((struct ether_addr *)
672 (sdl->sdl_data + sdl->sdl_nlen));
673 break;
674 }
675 /* FALLTHROUGH */
676 default:
677 cp = link_ntoa(sdl);
678 break;
679 }
680 break;
681 }
682
683 default:
684 {
685 register u_char *s = (u_char *)sa->sa_data, *slim;
686
687 slim = sa->sa_len + (u_char *) sa;
688 cplim = cp + sizeof(workbuf) - 6;
689 cp += sprintf(cp, "(%d)", sa->sa_family);
690 while (s < slim && cp < cplim) {
691 cp += sprintf(cp, " %02x", *s++);
692 if (s < slim)
693 cp += sprintf(cp, "%02x", *s++);
694 }
695 cp = workbuf;
696 }
697 }
698
699 return (cp);
700}
701
702static void
703p_flags(int f, char *format)
704{
705 printf(format, fmt_flags(f));
706}
707
708static const char *
709fmt_flags(int f)
710{
711 static char name[33];
712 char *flags;
713 struct bits *p = bits;
714
715 for (flags = name; p->b_mask; p++)
716 if (p->b_mask & f)
717 *flags++ = p->b_val;
718 *flags = '\0';
719 return (name);
720}
721
722static void
723p_rtentry(struct rtentry *rt)
724{
725 static struct ifnet ifnet, *lastif;
726 struct rtentry parent;
727 static char buffer[128];
728 static char prettyname[128];
729 struct sockaddr *sa;
730 sa_u addr, mask;
731
732 /*
733 * Don't print protocol-cloned routes unless -a.
734 */
735 if (rt->rt_flags & RTF_WASCLONED && !aflag) {
736 kget(rt->rt_parent, parent);
737 if (parent.rt_flags & RTF_PRCLONING)
738 return;
739 }
740
741 bzero(&addr, sizeof(addr));
742 if ((sa = kgetsa(rt_key(rt))))
743 bcopy(sa, &addr, sa->sa_len);
744 bzero(&mask, sizeof(mask));
745 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
746 bcopy(sa, &mask, sa->sa_len);
747 p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, wid_dst);
748 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, wid_gw);
749 snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags);
750 p_flags(rt->rt_flags, buffer);
751 if (addr.u_sa.sa_family == AF_INET || Wflag) {
752 printf("%*ld %*lu ", wid_refs, rt->rt_refcnt,
753 wid_use, rt->rt_use);
754 if (Wflag) {
755 if (rt->rt_rmx.rmx_mtu != 0)
756 printf("%*lu ", wid_mtu, rt->rt_rmx.rmx_mtu);
757 else
758 printf("%*s ", wid_mtu, "");
759 }
760 }
761 if (rt->rt_ifp) {
762 if (rt->rt_ifp != lastif) {
763 kget(rt->rt_ifp, ifnet);
764 kread((u_long)ifnet.if_name, buffer, sizeof(buffer));
765 lastif = rt->rt_ifp;
766 snprintf(prettyname, sizeof(prettyname),
767 "%s%d", buffer, ifnet.if_unit);
768 }
769 printf("%*.*s", wid_if, wid_if, prettyname);
770 if (rt->rt_rmx.rmx_expire) {
771 time_t expire_time;
772
773 if ((expire_time =
774 rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0)
775 printf(" %*d", wid_expire, (int)expire_time);
776 }
777 if (rt->rt_nodes[0].rn_dupedkey)
778 printf(" =>");
779 }
780 putchar('\n');
781}
782
783char *
784routename(u_long in)
785{
786 register char *cp;
787 static char line[MAXHOSTNAMELEN];
788 struct hostent *hp;
789
790 cp = 0;
791 if (!numeric_addr) {
792 hp = gethostbyaddr((char *)&in, sizeof (struct in_addr),
793 AF_INET);
794 if (hp) {
795 cp = hp->h_name;
796 trimdomain(cp, strlen(cp));
797 }
798 }
799 if (cp) {
800 strncpy(line, cp, sizeof(line) - 1);
801 line[sizeof(line) - 1] = '\0';
802 } else {
803#define C(x) ((x) & 0xff)
804 in = ntohl(in);
805 sprintf(line, "%lu.%lu.%lu.%lu",
806 C(in >> 24), C(in >> 16), C(in >> 8), C(in));
807 }
808 return (line);
809}
810
811static u_long
812forgemask(u_long a)
813{
814 u_long m;
815
816 if (IN_CLASSA(a))
817 m = IN_CLASSA_NET;
818 else if (IN_CLASSB(a))
819 m = IN_CLASSB_NET;
820 else
821 m = IN_CLASSC_NET;
822 return (m);
823}
824
825static void
826domask(char *dst, u_long addr, u_long mask)
827{
828 register int b, i;
829
830 if (!mask || (forgemask(addr) == mask)) {
831 *dst = '\0';
832 return;
833 }
834 i = 0;
835 for (b = 0; b < 32; b++)
836 if (mask & (1 << b)) {
837 register int bb;
838
839 i = b;
840 for (bb = b+1; bb < 32; bb++)
841 if (!(mask & (1 << bb))) {
842 i = -1; /* noncontig */
843 break;
844 }
845 break;
846 }
847 if (i == -1)
848 sprintf(dst, "&0x%lx", mask);
849 else
850 sprintf(dst, "/%d", 32-i);
851}
852
853/*
854 * Return the name of the network whose address is given.
855 * The address is assumed to be that of a net or subnet, not a host.
856 */
857char *
858netname(u_long in, u_long mask)
859{
860 char *cp = 0;
861 static char line[MAXHOSTNAMELEN];
862 struct netent *np = 0;
863 u_long dmask;
864 register u_long i;
865
866#define NSHIFT(m) ( \
867 (m) == IN_CLASSA_NET ? IN_CLASSA_NSHIFT : \
868 (m) == IN_CLASSB_NET ? IN_CLASSB_NSHIFT : \
869 (m) == IN_CLASSC_NET ? IN_CLASSC_NSHIFT : \
870 0)
871
872 i = ntohl(in);
873 dmask = forgemask(i);
874 if (!numeric_addr && i) {
875 np = getnetbyaddr(i >> NSHIFT(mask), AF_INET);
876 if (np == NULL && mask == 0)
877 np = getnetbyaddr(i >> NSHIFT(dmask), AF_INET);
878 if (np != NULL) {
879 cp = np->n_name;
880 trimdomain(cp, strlen(cp));
881 }
882 }
883#undef NSHIFT
884 if (cp != NULL) {
885 strncpy(line, cp, sizeof(line) - 1);
886 line[sizeof(line) - 1] = '\0';
887 } else {
888 switch (dmask) {
889 case IN_CLASSA_NET:
890 if ((i & IN_CLASSA_HOST) == 0) {
891 sprintf(line, "%lu", C(i >> 24));
892 break;
893 }
894 /* FALLTHROUGH */
895 case IN_CLASSB_NET:
896 if ((i & IN_CLASSB_HOST) == 0) {
897 sprintf(line, "%lu.%lu",
898 C(i >> 24), C(i >> 16));
899 break;
900 }
901 /* FALLTHROUGH */
902 case IN_CLASSC_NET:
903 if ((i & IN_CLASSC_HOST) == 0) {
904 sprintf(line, "%lu.%lu.%lu",
905 C(i >> 24), C(i >> 16), C(i >> 8));
906 break;
907 }
908 /* FALLTHROUGH */
909 default:
910 sprintf(line, "%lu.%lu.%lu.%lu",
911 C(i >> 24), C(i >> 16), C(i >> 8), C(i));
912 break;
913 }
914 }
915 domask(line + strlen(line), i, mask);
916 return (line);
917}
918
919#ifdef INET6
920char *
921netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
922{
923 static char line[MAXHOSTNAMELEN];
924 u_char *p = (u_char *)mask;
925 u_char *lim;
926 int masklen, illegal = 0, flag = NI_WITHSCOPEID;
927
928 if (mask) {
929 for (masklen = 0, lim = p + 16; p < lim; p++) {
930 switch (*p) {
931 case 0xff:
932 masklen += 8;
933 break;
934 case 0xfe:
935 masklen += 7;
936 break;
937 case 0xfc:
938 masklen += 6;
939 break;
940 case 0xf8:
941 masklen += 5;
942 break;
943 case 0xf0:
944 masklen += 4;
945 break;
946 case 0xe0:
947 masklen += 3;
948 break;
949 case 0xc0:
950 masklen += 2;
951 break;
952 case 0x80:
953 masklen += 1;
954 break;
955 case 0x00:
956 break;
957 default:
958 illegal ++;
959 break;
960 }
961 }
962 if (illegal)
963 fprintf(stderr, "illegal prefixlen\n");
964 }
965 else
966 masklen = 128;
967
968 if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sa6->sin6_addr))
969 return("default");
970
971 if (numeric_addr)
972 flag |= NI_NUMERICHOST;
973 getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line),
974 NULL, 0, flag);
975
976 if (numeric_addr)
977 sprintf(&line[strlen(line)], "/%d", masklen);
978
979 return line;
980}
981
982char *
983routename6(struct sockaddr_in6 *sa6)
984{
985 static char line[MAXHOSTNAMELEN];
986 int flag = NI_WITHSCOPEID;
987 /* use local variable for safety */
988 struct sockaddr_in6 sa6_local = {AF_INET6, sizeof(sa6_local),};
989
990 sa6_local.sin6_addr = sa6->sin6_addr;
991 sa6_local.sin6_scope_id = sa6->sin6_scope_id;
992
993 if (numeric_addr)
994 flag |= NI_NUMERICHOST;
995
996 getnameinfo((struct sockaddr *)&sa6_local, sa6_local.sin6_len,
997 line, sizeof(line), NULL, 0, flag);
998
999 return line;
1000}
1001#endif /*INET6*/
1002
1003/*
1004 * Print routing statistics
1005 */
1006void
1007rt_stats(u_long rtsaddr, u_long rttaddr)
1008{
1009 struct rtstat rtstat;
1010 int rttrash;
1011
1012 if (rtsaddr == 0) {
1013 printf("rtstat: symbol not in namelist\n");
1014 return;
1015 }
1016 if (rttaddr == 0) {
1017 printf("rttrash: symbol not in namelist\n");
1018 return;
1019 }
1020 kread(rtsaddr, (char *)&rtstat, sizeof (rtstat));
1021 kread(rttaddr, (char *)&rttrash, sizeof (rttrash));
1022 printf("routing:\n");
1023
1024#define p(f, m) if (rtstat.f || sflag <= 1) \
1025 printf(m, rtstat.f, plural(rtstat.f))
1026
1027 p(rts_badredirect, "\t%u bad routing redirect%s\n");
1028 p(rts_dynamic, "\t%u dynamically created route%s\n");
1029 p(rts_newgateway, "\t%u new gateway%s due to redirects\n");
1030 p(rts_unreach, "\t%u destination%s found unreachable\n");
1031 p(rts_wildcard, "\t%u use%s of a wildcard route\n");
1032#undef p
1033
1034 if (rttrash || sflag <= 1)
1035 printf("\t%u route%s not in table but not freed\n",
1036 rttrash, plural(rttrash));
1037}
1038
1039char *
1040ipx_print(struct sockaddr *sa)
1041{
1042 u_short port;
1043 struct servent *sp = 0;
1044 char *net = "", *host = "";
1045 register char *p;
1046 register u_char *q;
1047 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
1048 static char mybuf[50];
1049 char cport[10], chost[15], cnet[15];
1050
1051 port = ntohs(work.x_port);
1052
1053 if (ipx_nullnet(work) && ipx_nullhost(work)) {
1054
1055 if (port) {
1056 if (sp)
1057 sprintf(mybuf, "*.%s", sp->s_name);
1058 else
1059 sprintf(mybuf, "*.%x", port);
1060 } else
1061 sprintf(mybuf, "*.*");
1062
1063 return (mybuf);
1064 }
1065
1066 if (ipx_wildnet(work))
1067 net = "any";
1068 else if (ipx_nullnet(work))
1069 net = "*";
1070 else {
1071 q = work.x_net.c_net;
1072 sprintf(cnet, "%02x%02x%02x%02x",
1073 q[0], q[1], q[2], q[3]);
1074 for (p = cnet; *p == '0' && p < cnet + 8; p++)
1075 continue;
1076 net = p;
1077 }
1078
1079 if (ipx_wildhost(work))
1080 host = "any";
1081 else if (ipx_nullhost(work))
1082 host = "*";
1083 else {
1084 q = work.x_host.c_host;
1085 sprintf(chost, "%02x%02x%02x%02x%02x%02x",
1086 q[0], q[1], q[2], q[3], q[4], q[5]);
1087 for (p = chost; *p == '0' && p < chost + 12; p++)
1088 continue;
1089 host = p;
1090 }
1091
1092 if (port) {
1093 if (strcmp(host, "*") == 0)
1094 host = "";
1095 if (sp)
1096 snprintf(cport, sizeof(cport),
1097 "%s%s", *host ? "." : "", sp->s_name);
1098 else
1099 snprintf(cport, sizeof(cport),
1100 "%s%x", *host ? "." : "", port);
1101 } else
1102 *cport = 0;
1103
1104 snprintf(mybuf, sizeof(mybuf), "%s.%s%s", net, host, cport);
1105 return(mybuf);
1106}
1107
1108char *
1109ipx_phost(struct sockaddr *sa)
1110{
1111 register struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa;
1112 struct sockaddr_ipx work;
1113 static union ipx_net ipx_zeronet;
1114 char *p;
1115 struct ipx_addr in;
1116
1117 work = *sipx;
1118 in = work.sipx_addr;
1119
1120 work.sipx_addr.x_port = 0;
1121 work.sipx_addr.x_net = ipx_zeronet;
1122 p = ipx_print((struct sockaddr *)&work);
1123 if (strncmp("*.", p, 2) == 0) p += 2;
1124
1125 return(p);
1126}
1127
1128#ifdef NS
1129short ns_nullh[] = {0,0,0};
1130short ns_bh[] = {-1,-1,-1};
1131
1132char *
1133ns_print(struct sockaddr *sa)
1134{
1135 register struct sockaddr_ns *sns = (struct sockaddr_ns*)sa;
1136 struct ns_addr work;
1137 union { union ns_net net_e; u_long long_e; } net;
1138 u_short port;
1139 static char mybuf[50], cport[10], chost[25];
1140 char *host = "";
1141 register char *p; register u_char *q;
1142
1143 work = sns->sns_addr;
1144 port = ntohs(work.x_port);
1145 work.x_port = 0;
1146 net.net_e = work.x_net;
1147 if (ns_nullhost(work) && net.long_e == 0) {
1148 if (port ) {
1149 sprintf(mybuf, "*.%xH", port);
1150 upHex(mybuf);
1151 } else
1152 sprintf(mybuf, "*.*");
1153 return (mybuf);
1154 }
1155
1156 if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) {
1157 host = "any";
1158 } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) {
1159 host = "*";
1160 } else {
1161 q = work.x_host.c_host;
1162 sprintf(chost, "%02x%02x%02x%02x%02x%02xH",
1163 q[0], q[1], q[2], q[3], q[4], q[5]);
1164 for (p = chost; *p == '0' && p < chost + 12; p++)
1165 continue;
1166 host = p;
1167 }
1168 if (port)
1169 sprintf(cport, ".%xH", htons(port));
1170 else
1171 *cport = 0;
1172
1173 sprintf(mybuf,"%xH.%s%s", ntohl(net.long_e), host, cport);
1174 upHex(mybuf);
1175 return(mybuf);
1176}
1177
1178char *
1179ns_phost(struct sockaddr *sa)
1180{
1181 register struct sockaddr_ns *sns = (struct sockaddr_ns *)sa;
1182 struct sockaddr_ns work;
1183 static union ns_net ns_zeronet;
1184 char *p;
1185
1186 work = *sns;
1187 work.sns_addr.x_port = 0;
1188 work.sns_addr.x_net = ns_zeronet;
1189
1190 p = ns_print((struct sockaddr *)&work);
1191 if (strncmp("0H.", p, 3) == 0)
1192 p += 3;
1193 return(p);
1194}
1195#endif
1196
1197void
1198upHex(char *p0)
1199{
1200 register char *p = p0;
1201
1202 for (; *p; p++)
1203 switch (*p) {
1204
1205 case 'a':
1206 case 'b':
1207 case 'c':
1208 case 'd':
1209 case 'e':
1210 case 'f':
1211 *p += ('A' - 'a');
1212 break;
1213 }
1214}
2 * Copyright (c) 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35#if 0
36static char sccsid[] = "From: @(#)route.c 8.6 (Berkeley) 4/28/95";
37#endif
38static const char rcsid[] =
39 "$FreeBSD: head/usr.bin/netstat/route.c 100161 2002-07-16 05:57:21Z kbyanc $";
40#endif /* not lint */
41
42#include <sys/param.h>
43#include <sys/protosw.h>
44#include <sys/socket.h>
45#include <sys/time.h>
46
47#include <net/ethernet.h>
48#include <net/if.h>
49#include <net/if_var.h>
50#include <net/if_dl.h>
51#include <net/if_types.h>
52#include <net/route.h>
53
54#include <netinet/in.h>
55#include <netipx/ipx.h>
56#include <netatalk/at.h>
57#include <netgraph/ng_socket.h>
58
59#ifdef NS
60#include <netns/ns.h>
61#endif
62
63#include <sys/sysctl.h>
64
65#include <arpa/inet.h>
66#include <libutil.h>
67#include <netdb.h>
68#include <stdio.h>
69#include <stdlib.h>
70#include <string.h>
71#include <unistd.h>
72#include <err.h>
73#include <time.h>
74#include "netstat.h"
75
76#define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d)))
77
78
79/* alignment constraint for routing socket */
80#define ROUNDUP(a) \
81 ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
82#define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
83
84/*
85 * Definitions for showing gateway flags.
86 */
87struct bits {
88 u_long b_mask;
89 char b_val;
90} bits[] = {
91 { RTF_UP, 'U' },
92 { RTF_GATEWAY, 'G' },
93 { RTF_HOST, 'H' },
94 { RTF_REJECT, 'R' },
95 { RTF_DYNAMIC, 'D' },
96 { RTF_MODIFIED, 'M' },
97 { RTF_DONE, 'd' }, /* Completed -- for routing messages only */
98 { RTF_CLONING, 'C' },
99 { RTF_XRESOLVE, 'X' },
100 { RTF_LLINFO, 'L' },
101 { RTF_STATIC, 'S' },
102 { RTF_PROTO1, '1' },
103 { RTF_PROTO2, '2' },
104 { RTF_WASCLONED,'W' },
105 { RTF_PRCLONING,'c' },
106 { RTF_PROTO3, '3' },
107 { RTF_BLACKHOLE,'B' },
108 { RTF_BROADCAST,'b' },
109 { 0 }
110};
111
112typedef union {
113 long dummy; /* Helps align structure. */
114 struct sockaddr u_sa;
115 u_short u_data[128];
116} sa_u;
117
118static sa_u pt_u;
119
120int do_rtent = 0;
121struct rtentry rtentry;
122struct radix_node rnode;
123struct radix_mask rmask;
124struct radix_node_head *rt_tables[AF_MAX+1];
125
126int NewTree = 0;
127
128static struct sockaddr *kgetsa (struct sockaddr *);
129static void size_cols (int ef, struct radix_node *rn);
130static void size_cols_tree (struct radix_node *rn);
131static void size_cols_rtentry (struct rtentry *rt);
132static void p_tree (struct radix_node *);
133static void p_rtnode (void);
134static void ntreestuff (void);
135static void np_rtentry (struct rt_msghdr *);
136static void p_sockaddr (struct sockaddr *, struct sockaddr *, int, int);
137static const char *fmt_sockaddr (struct sockaddr *sa, struct sockaddr *mask,
138 int flags);
139static void p_flags (int, char *);
140static const char *fmt_flags(int f);
141static void p_rtentry (struct rtentry *);
142static u_long forgemask (u_long);
143static void domask (char *, u_long, u_long);
144
145/*
146 * Print routing tables.
147 */
148void
149routepr(u_long rtree)
150{
151 struct radix_node_head *rnh, head;
152 int i;
153
154 printf("Routing tables\n");
155
156 if (Aflag == 0 && NewTree)
157 ntreestuff();
158 else {
159 if (rtree == 0) {
160 printf("rt_tables: symbol not in namelist\n");
161 return;
162 }
163
164 kget(rtree, rt_tables);
165 for (i = 0; i <= AF_MAX; i++) {
166 if ((rnh = rt_tables[i]) == 0)
167 continue;
168 kget(rnh, head);
169 if (i == AF_UNSPEC) {
170 if (Aflag && af == 0) {
171 printf("Netmasks:\n");
172 p_tree(head.rnh_treetop);
173 }
174 } else if (af == AF_UNSPEC || af == i) {
175 size_cols(i, head.rnh_treetop);
176 pr_family(i);
177 do_rtent = 1;
178 pr_rthdr(i);
179 p_tree(head.rnh_treetop);
180 }
181 }
182 }
183}
184
185/*
186 * Print address family header before a section of the routing table.
187 */
188void
189pr_family(int af)
190{
191 char *afname;
192
193 switch (af) {
194 case AF_INET:
195 afname = "Internet";
196 break;
197#ifdef INET6
198 case AF_INET6:
199 afname = "Internet6";
200 break;
201#endif /*INET6*/
202 case AF_IPX:
203 afname = "IPX";
204 break;
205#ifdef NS
206 case AF_NS:
207 afname = "XNS";
208 break;
209#endif
210 case AF_ISO:
211 afname = "ISO";
212 break;
213 case AF_APPLETALK:
214 afname = "AppleTalk";
215 break;
216 case AF_CCITT:
217 afname = "X.25";
218 break;
219 case AF_NETGRAPH:
220 afname = "Netgraph";
221 break;
222 default:
223 afname = NULL;
224 break;
225 }
226 if (afname)
227 printf("\n%s:\n", afname);
228 else
229 printf("\nProtocol Family %d:\n", af);
230}
231
232/* column widths; each followed by one space */
233#ifndef INET6
234#define WID_DST_DEFAULT(af) 18 /* width of destination column */
235#define WID_GW_DEFAULT(af) 18 /* width of gateway column */
236#define WID_IF_DEFAULT(af) 6 /* width of netif column */
237#else
238#define WID_DST_DEFAULT(af) \
239 ((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18)
240#define WID_GW_DEFAULT(af) \
241 ((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18)
242#define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : 6)
243#endif /*INET6*/
244
245static int wid_dst;
246static int wid_gw;
247static int wid_flags;
248static int wid_refs;
249static int wid_use;
250static int wid_mtu;
251static int wid_if;
252static int wid_expire;
253
254static void
255size_cols(int ef, struct radix_node *rn)
256{
257 wid_dst = WID_DST_DEFAULT(ef);
258 wid_gw = WID_GW_DEFAULT(ef);
259 wid_flags = 6;
260 wid_refs = 6;
261 wid_use = 8;
262 wid_mtu = 6;
263 wid_if = WID_IF_DEFAULT(ef);
264 wid_expire = 6;
265
266 if (Wflag)
267 size_cols_tree(rn);
268}
269
270static void
271size_cols_tree(struct radix_node *rn)
272{
273again:
274 kget(rn, rnode);
275 if (rnode.rn_bit < 0) {
276 if ((rnode.rn_flags & RNF_ROOT) == 0) {
277 kget(rn, rtentry);
278 size_cols_rtentry(&rtentry);
279 }
280 if ((rn = rnode.rn_dupedkey))
281 goto again;
282 } else {
283 rn = rnode.rn_right;
284 size_cols_tree(rnode.rn_left);
285 size_cols_tree(rn);
286 }
287}
288
289static void
290size_cols_rtentry(struct rtentry *rt)
291{
292 static struct ifnet ifnet, *lastif;
293 struct rtentry parent;
294 static char buffer[100];
295 const char *bp;
296 struct sockaddr *sa;
297 sa_u addr, mask;
298 int len;
299
300 /*
301 * Don't print protocol-cloned routes unless -a.
302 */
303 if (rt->rt_flags & RTF_WASCLONED && !aflag) {
304 kget(rt->rt_parent, parent);
305 if (parent.rt_flags & RTF_PRCLONING)
306 return;
307 }
308
309 bzero(&addr, sizeof(addr));
310 if ((sa = kgetsa(rt_key(rt))))
311 bcopy(sa, &addr, sa->sa_len);
312 bzero(&mask, sizeof(mask));
313 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
314 bcopy(sa, &mask, sa->sa_len);
315 bp = fmt_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags);
316 len = strlen(bp);
317 wid_dst = MAX(len, wid_dst);
318
319 bp = fmt_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST);
320 len = strlen(bp);
321 wid_gw = MAX(len, wid_gw);
322
323 bp = fmt_flags(rt->rt_flags);
324 len = strlen(bp);
325 wid_flags = MAX(len, wid_flags);
326
327 if (addr.u_sa.sa_family == AF_INET || Wflag) {
328 len = snprintf(buffer, sizeof(buffer), "%ld", rt->rt_refcnt);
329 wid_refs = MAX(len, wid_refs);
330 len = snprintf(buffer, sizeof(buffer), "%lu", rt->rt_use);
331 wid_use = MAX(len, wid_use);
332 if (Wflag && rt->rt_rmx.rmx_mtu != 0) {
333 len = snprintf(buffer, sizeof(buffer),
334 "%lu", rt->rt_rmx.rmx_mtu);
335 wid_mtu = MAX(len, wid_mtu);
336 }
337 }
338 if (rt->rt_ifp) {
339 if (rt->rt_ifp != lastif) {
340 len = snprintf(buffer, sizeof(buffer), "%d",
341 ifnet.if_unit);
342 kget(rt->rt_ifp, ifnet);
343 kread((u_long)ifnet.if_name, buffer, sizeof(buffer));
344 lastif = rt->rt_ifp;
345 len += strlen(buffer);
346 wid_if = MAX(len, wid_if);
347 }
348 if (rt->rt_rmx.rmx_expire) {
349 time_t expire_time;
350
351 if ((expire_time =
352 rt->rt_rmx.rmx_expire - time(NULL)) > 0) {
353 len = snprintf(buffer, sizeof(buffer), "%d",
354 (int)expire_time);
355 wid_expire = MAX(len, wid_expire);
356 }
357 }
358 }
359}
360
361
362/*
363 * Print header for routing table columns.
364 */
365void
366pr_rthdr(int af)
367{
368
369 if (Aflag)
370 printf("%-8.8s ","Address");
371 if (af == AF_INET || Wflag) {
372 if (Wflag) {
373 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*.*s %*s\n",
374 wid_dst, wid_dst, "Destination",
375 wid_gw, wid_gw, "Gateway",
376 wid_flags, wid_flags, "Flags",
377 wid_refs, wid_refs, "Refs",
378 wid_use, wid_use, "Use",
379 wid_mtu, wid_mtu, "Mtu",
380 wid_if, wid_if, "Netif",
381 wid_expire, "Expire");
382 } else {
383 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*s\n",
384 wid_dst, wid_dst, "Destination",
385 wid_gw, wid_gw, "Gateway",
386 wid_flags, wid_flags, "Flags",
387 wid_refs, wid_refs, "Refs",
388 wid_use, wid_use, "Use",
389 wid_if, wid_if, "Netif",
390 wid_expire, "Expire");
391 }
392 } else {
393 printf("%-*.*s %-*.*s %-*.*s %*.*s %*s\n",
394 wid_dst, wid_dst, "Destination",
395 wid_gw, wid_gw, "Gateway",
396 wid_flags, wid_flags, "Flags",
397 wid_if, wid_if, "Netif",
398 wid_expire, "Expire");
399 }
400}
401
402static struct sockaddr *
403kgetsa(struct sockaddr *dst)
404{
405
406 kget(dst, pt_u.u_sa);
407 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
408 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
409 return (&pt_u.u_sa);
410}
411
412static void
413p_tree(struct radix_node *rn)
414{
415
416again:
417 kget(rn, rnode);
418 if (rnode.rn_bit < 0) {
419 if (Aflag)
420 printf("%-8.8lx ", (u_long)rn);
421 if (rnode.rn_flags & RNF_ROOT) {
422 if (Aflag)
423 printf("(root node)%s",
424 rnode.rn_dupedkey ? " =>\n" : "\n");
425 } else if (do_rtent) {
426 kget(rn, rtentry);
427 p_rtentry(&rtentry);
428 if (Aflag)
429 p_rtnode();
430 } else {
431 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
432 NULL, 0, 44);
433 putchar('\n');
434 }
435 if ((rn = rnode.rn_dupedkey))
436 goto again;
437 } else {
438 if (Aflag && do_rtent) {
439 printf("%-8.8lx ", (u_long)rn);
440 p_rtnode();
441 }
442 rn = rnode.rn_right;
443 p_tree(rnode.rn_left);
444 p_tree(rn);
445 }
446}
447
448char nbuf[20];
449
450static void
451p_rtnode(void)
452{
453 struct radix_mask *rm = rnode.rn_mklist;
454
455 if (rnode.rn_bit < 0) {
456 if (rnode.rn_mask) {
457 printf("\t mask ");
458 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
459 NULL, 0, -1);
460 } else if (rm == 0)
461 return;
462 } else {
463 sprintf(nbuf, "(%d)", rnode.rn_bit);
464 printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_left, (u_long)rnode.rn_right);
465 }
466 while (rm) {
467 kget(rm, rmask);
468 sprintf(nbuf, " %d refs, ", rmask.rm_refs);
469 printf(" mk = %8.8lx {(%d),%s",
470 (u_long)rm, -1 - rmask.rm_bit, rmask.rm_refs ? nbuf : " ");
471 if (rmask.rm_flags & RNF_NORMAL) {
472 struct radix_node rnode_aux;
473 printf(" <normal>, ");
474 kget(rmask.rm_leaf, rnode_aux);
475 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
476 NULL, 0, -1);
477 } else
478 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
479 NULL, 0, -1);
480 putchar('}');
481 if ((rm = rmask.rm_mklist))
482 printf(" ->");
483 }
484 putchar('\n');
485}
486
487static void
488ntreestuff(void)
489{
490 size_t needed;
491 int mib[6];
492 char *buf, *next, *lim;
493 register struct rt_msghdr *rtm;
494
495 mib[0] = CTL_NET;
496 mib[1] = PF_ROUTE;
497 mib[2] = 0;
498 mib[3] = 0;
499 mib[4] = NET_RT_DUMP;
500 mib[5] = 0;
501 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
502 err(1, "sysctl: net.route.0.0.dump estimate");
503 }
504
505 if ((buf = malloc(needed)) == 0) {
506 err(2, "malloc(%lu)", (unsigned long)needed);
507 }
508 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
509 err(1, "sysctl: net.route.0.0.dump");
510 }
511 lim = buf + needed;
512 for (next = buf; next < lim; next += rtm->rtm_msglen) {
513 rtm = (struct rt_msghdr *)next;
514 np_rtentry(rtm);
515 }
516}
517
518static void
519np_rtentry(struct rt_msghdr *rtm)
520{
521 register struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
522#ifdef notdef
523 static int masks_done, banner_printed;
524#endif
525 static int old_af;
526 int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
527
528#ifdef notdef
529 /* for the moment, netmasks are skipped over */
530 if (!banner_printed) {
531 printf("Netmasks:\n");
532 banner_printed = 1;
533 }
534 if (masks_done == 0) {
535 if (rtm->rtm_addrs != RTA_DST ) {
536 masks_done = 1;
537 af = sa->sa_family;
538 }
539 } else
540#endif
541 af = sa->sa_family;
542 if (af != old_af) {
543 pr_family(af);
544 old_af = af;
545 }
546 if (rtm->rtm_addrs == RTA_DST)
547 p_sockaddr(sa, NULL, 0, 36);
548 else {
549 p_sockaddr(sa, NULL, rtm->rtm_flags, 16);
550 sa = (struct sockaddr *)(ROUNDUP(sa->sa_len) + (char *)sa);
551 p_sockaddr(sa, NULL, 0, 18);
552 }
553 p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
554 putchar('\n');
555}
556
557static void
558p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
559{
560 const char *cp;
561
562 cp = fmt_sockaddr(sa, mask, flags);
563
564 if (width < 0 )
565 printf("%s ", cp);
566 else {
567 if (numeric_addr)
568 printf("%-*s ", width, cp);
569 else
570 printf("%-*.*s ", width, width, cp);
571 }
572}
573
574static const char *
575fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags)
576{
577 static char workbuf[128];
578 char *cplim;
579 char *cp = workbuf;
580
581 switch(sa->sa_family) {
582 case AF_INET:
583 {
584 register struct sockaddr_in *sin = (struct sockaddr_in *)sa;
585
586 if ((sin->sin_addr.s_addr == INADDR_ANY) &&
587 mask &&
588 ntohl(((struct sockaddr_in *)mask)->sin_addr.s_addr)
589 ==0L)
590 cp = "default" ;
591 else if (flags & RTF_HOST)
592 cp = routename(sin->sin_addr.s_addr);
593 else if (mask)
594 cp = netname(sin->sin_addr.s_addr,
595 ntohl(((struct sockaddr_in *)mask)
596 ->sin_addr.s_addr));
597 else
598 cp = netname(sin->sin_addr.s_addr, 0L);
599 break;
600 }
601
602#ifdef INET6
603 case AF_INET6:
604 {
605 struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
606 struct in6_addr *in6 = &sa6->sin6_addr;
607
608 /*
609 * XXX: This is a special workaround for KAME kernels.
610 * sin6_scope_id field of SA should be set in the future.
611 */
612 if (IN6_IS_ADDR_LINKLOCAL(in6) ||
613 IN6_IS_ADDR_MC_LINKLOCAL(in6)) {
614 /* XXX: override is ok? */
615 sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)&in6->s6_addr[2]);
616 *(u_short *)&in6->s6_addr[2] = 0;
617 }
618
619 if (flags & RTF_HOST)
620 cp = routename6(sa6);
621 else if (mask)
622 cp = netname6(sa6,
623 &((struct sockaddr_in6 *)mask)->sin6_addr);
624 else {
625 cp = netname6(sa6, NULL);
626 }
627 break;
628 }
629#endif /*INET6*/
630
631 case AF_IPX:
632 {
633 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
634 if (ipx_nullnet(satoipx_addr(work)))
635 cp = "default";
636 else
637 cp = ipx_print(sa);
638 break;
639 }
640 case AF_APPLETALK:
641 {
642 if (!(flags & RTF_HOST) && mask)
643 cp = atalk_print2(sa,mask,9);
644 else
645 cp = atalk_print(sa,11);
646 break;
647 }
648 case AF_NETGRAPH:
649 {
650 printf("%s", ((struct sockaddr_ng *)sa)->sg_data);
651 break;
652 }
653#ifdef NS
654 case AF_NS:
655 cp = ns_print(sa);
656 break;
657#endif
658
659 case AF_LINK:
660 {
661 register struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
662
663 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
664 sdl->sdl_slen == 0)
665 (void) sprintf(workbuf, "link#%d", sdl->sdl_index);
666 else
667 switch (sdl->sdl_type) {
668
669 case IFT_ETHER:
670 if (sdl->sdl_alen == ETHER_ADDR_LEN) {
671 cp = ether_ntoa((struct ether_addr *)
672 (sdl->sdl_data + sdl->sdl_nlen));
673 break;
674 }
675 /* FALLTHROUGH */
676 default:
677 cp = link_ntoa(sdl);
678 break;
679 }
680 break;
681 }
682
683 default:
684 {
685 register u_char *s = (u_char *)sa->sa_data, *slim;
686
687 slim = sa->sa_len + (u_char *) sa;
688 cplim = cp + sizeof(workbuf) - 6;
689 cp += sprintf(cp, "(%d)", sa->sa_family);
690 while (s < slim && cp < cplim) {
691 cp += sprintf(cp, " %02x", *s++);
692 if (s < slim)
693 cp += sprintf(cp, "%02x", *s++);
694 }
695 cp = workbuf;
696 }
697 }
698
699 return (cp);
700}
701
702static void
703p_flags(int f, char *format)
704{
705 printf(format, fmt_flags(f));
706}
707
708static const char *
709fmt_flags(int f)
710{
711 static char name[33];
712 char *flags;
713 struct bits *p = bits;
714
715 for (flags = name; p->b_mask; p++)
716 if (p->b_mask & f)
717 *flags++ = p->b_val;
718 *flags = '\0';
719 return (name);
720}
721
722static void
723p_rtentry(struct rtentry *rt)
724{
725 static struct ifnet ifnet, *lastif;
726 struct rtentry parent;
727 static char buffer[128];
728 static char prettyname[128];
729 struct sockaddr *sa;
730 sa_u addr, mask;
731
732 /*
733 * Don't print protocol-cloned routes unless -a.
734 */
735 if (rt->rt_flags & RTF_WASCLONED && !aflag) {
736 kget(rt->rt_parent, parent);
737 if (parent.rt_flags & RTF_PRCLONING)
738 return;
739 }
740
741 bzero(&addr, sizeof(addr));
742 if ((sa = kgetsa(rt_key(rt))))
743 bcopy(sa, &addr, sa->sa_len);
744 bzero(&mask, sizeof(mask));
745 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
746 bcopy(sa, &mask, sa->sa_len);
747 p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, wid_dst);
748 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, wid_gw);
749 snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags);
750 p_flags(rt->rt_flags, buffer);
751 if (addr.u_sa.sa_family == AF_INET || Wflag) {
752 printf("%*ld %*lu ", wid_refs, rt->rt_refcnt,
753 wid_use, rt->rt_use);
754 if (Wflag) {
755 if (rt->rt_rmx.rmx_mtu != 0)
756 printf("%*lu ", wid_mtu, rt->rt_rmx.rmx_mtu);
757 else
758 printf("%*s ", wid_mtu, "");
759 }
760 }
761 if (rt->rt_ifp) {
762 if (rt->rt_ifp != lastif) {
763 kget(rt->rt_ifp, ifnet);
764 kread((u_long)ifnet.if_name, buffer, sizeof(buffer));
765 lastif = rt->rt_ifp;
766 snprintf(prettyname, sizeof(prettyname),
767 "%s%d", buffer, ifnet.if_unit);
768 }
769 printf("%*.*s", wid_if, wid_if, prettyname);
770 if (rt->rt_rmx.rmx_expire) {
771 time_t expire_time;
772
773 if ((expire_time =
774 rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0)
775 printf(" %*d", wid_expire, (int)expire_time);
776 }
777 if (rt->rt_nodes[0].rn_dupedkey)
778 printf(" =>");
779 }
780 putchar('\n');
781}
782
783char *
784routename(u_long in)
785{
786 register char *cp;
787 static char line[MAXHOSTNAMELEN];
788 struct hostent *hp;
789
790 cp = 0;
791 if (!numeric_addr) {
792 hp = gethostbyaddr((char *)&in, sizeof (struct in_addr),
793 AF_INET);
794 if (hp) {
795 cp = hp->h_name;
796 trimdomain(cp, strlen(cp));
797 }
798 }
799 if (cp) {
800 strncpy(line, cp, sizeof(line) - 1);
801 line[sizeof(line) - 1] = '\0';
802 } else {
803#define C(x) ((x) & 0xff)
804 in = ntohl(in);
805 sprintf(line, "%lu.%lu.%lu.%lu",
806 C(in >> 24), C(in >> 16), C(in >> 8), C(in));
807 }
808 return (line);
809}
810
811static u_long
812forgemask(u_long a)
813{
814 u_long m;
815
816 if (IN_CLASSA(a))
817 m = IN_CLASSA_NET;
818 else if (IN_CLASSB(a))
819 m = IN_CLASSB_NET;
820 else
821 m = IN_CLASSC_NET;
822 return (m);
823}
824
825static void
826domask(char *dst, u_long addr, u_long mask)
827{
828 register int b, i;
829
830 if (!mask || (forgemask(addr) == mask)) {
831 *dst = '\0';
832 return;
833 }
834 i = 0;
835 for (b = 0; b < 32; b++)
836 if (mask & (1 << b)) {
837 register int bb;
838
839 i = b;
840 for (bb = b+1; bb < 32; bb++)
841 if (!(mask & (1 << bb))) {
842 i = -1; /* noncontig */
843 break;
844 }
845 break;
846 }
847 if (i == -1)
848 sprintf(dst, "&0x%lx", mask);
849 else
850 sprintf(dst, "/%d", 32-i);
851}
852
853/*
854 * Return the name of the network whose address is given.
855 * The address is assumed to be that of a net or subnet, not a host.
856 */
857char *
858netname(u_long in, u_long mask)
859{
860 char *cp = 0;
861 static char line[MAXHOSTNAMELEN];
862 struct netent *np = 0;
863 u_long dmask;
864 register u_long i;
865
866#define NSHIFT(m) ( \
867 (m) == IN_CLASSA_NET ? IN_CLASSA_NSHIFT : \
868 (m) == IN_CLASSB_NET ? IN_CLASSB_NSHIFT : \
869 (m) == IN_CLASSC_NET ? IN_CLASSC_NSHIFT : \
870 0)
871
872 i = ntohl(in);
873 dmask = forgemask(i);
874 if (!numeric_addr && i) {
875 np = getnetbyaddr(i >> NSHIFT(mask), AF_INET);
876 if (np == NULL && mask == 0)
877 np = getnetbyaddr(i >> NSHIFT(dmask), AF_INET);
878 if (np != NULL) {
879 cp = np->n_name;
880 trimdomain(cp, strlen(cp));
881 }
882 }
883#undef NSHIFT
884 if (cp != NULL) {
885 strncpy(line, cp, sizeof(line) - 1);
886 line[sizeof(line) - 1] = '\0';
887 } else {
888 switch (dmask) {
889 case IN_CLASSA_NET:
890 if ((i & IN_CLASSA_HOST) == 0) {
891 sprintf(line, "%lu", C(i >> 24));
892 break;
893 }
894 /* FALLTHROUGH */
895 case IN_CLASSB_NET:
896 if ((i & IN_CLASSB_HOST) == 0) {
897 sprintf(line, "%lu.%lu",
898 C(i >> 24), C(i >> 16));
899 break;
900 }
901 /* FALLTHROUGH */
902 case IN_CLASSC_NET:
903 if ((i & IN_CLASSC_HOST) == 0) {
904 sprintf(line, "%lu.%lu.%lu",
905 C(i >> 24), C(i >> 16), C(i >> 8));
906 break;
907 }
908 /* FALLTHROUGH */
909 default:
910 sprintf(line, "%lu.%lu.%lu.%lu",
911 C(i >> 24), C(i >> 16), C(i >> 8), C(i));
912 break;
913 }
914 }
915 domask(line + strlen(line), i, mask);
916 return (line);
917}
918
919#ifdef INET6
920char *
921netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
922{
923 static char line[MAXHOSTNAMELEN];
924 u_char *p = (u_char *)mask;
925 u_char *lim;
926 int masklen, illegal = 0, flag = NI_WITHSCOPEID;
927
928 if (mask) {
929 for (masklen = 0, lim = p + 16; p < lim; p++) {
930 switch (*p) {
931 case 0xff:
932 masklen += 8;
933 break;
934 case 0xfe:
935 masklen += 7;
936 break;
937 case 0xfc:
938 masklen += 6;
939 break;
940 case 0xf8:
941 masklen += 5;
942 break;
943 case 0xf0:
944 masklen += 4;
945 break;
946 case 0xe0:
947 masklen += 3;
948 break;
949 case 0xc0:
950 masklen += 2;
951 break;
952 case 0x80:
953 masklen += 1;
954 break;
955 case 0x00:
956 break;
957 default:
958 illegal ++;
959 break;
960 }
961 }
962 if (illegal)
963 fprintf(stderr, "illegal prefixlen\n");
964 }
965 else
966 masklen = 128;
967
968 if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sa6->sin6_addr))
969 return("default");
970
971 if (numeric_addr)
972 flag |= NI_NUMERICHOST;
973 getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line),
974 NULL, 0, flag);
975
976 if (numeric_addr)
977 sprintf(&line[strlen(line)], "/%d", masklen);
978
979 return line;
980}
981
982char *
983routename6(struct sockaddr_in6 *sa6)
984{
985 static char line[MAXHOSTNAMELEN];
986 int flag = NI_WITHSCOPEID;
987 /* use local variable for safety */
988 struct sockaddr_in6 sa6_local = {AF_INET6, sizeof(sa6_local),};
989
990 sa6_local.sin6_addr = sa6->sin6_addr;
991 sa6_local.sin6_scope_id = sa6->sin6_scope_id;
992
993 if (numeric_addr)
994 flag |= NI_NUMERICHOST;
995
996 getnameinfo((struct sockaddr *)&sa6_local, sa6_local.sin6_len,
997 line, sizeof(line), NULL, 0, flag);
998
999 return line;
1000}
1001#endif /*INET6*/
1002
1003/*
1004 * Print routing statistics
1005 */
1006void
1007rt_stats(u_long rtsaddr, u_long rttaddr)
1008{
1009 struct rtstat rtstat;
1010 int rttrash;
1011
1012 if (rtsaddr == 0) {
1013 printf("rtstat: symbol not in namelist\n");
1014 return;
1015 }
1016 if (rttaddr == 0) {
1017 printf("rttrash: symbol not in namelist\n");
1018 return;
1019 }
1020 kread(rtsaddr, (char *)&rtstat, sizeof (rtstat));
1021 kread(rttaddr, (char *)&rttrash, sizeof (rttrash));
1022 printf("routing:\n");
1023
1024#define p(f, m) if (rtstat.f || sflag <= 1) \
1025 printf(m, rtstat.f, plural(rtstat.f))
1026
1027 p(rts_badredirect, "\t%u bad routing redirect%s\n");
1028 p(rts_dynamic, "\t%u dynamically created route%s\n");
1029 p(rts_newgateway, "\t%u new gateway%s due to redirects\n");
1030 p(rts_unreach, "\t%u destination%s found unreachable\n");
1031 p(rts_wildcard, "\t%u use%s of a wildcard route\n");
1032#undef p
1033
1034 if (rttrash || sflag <= 1)
1035 printf("\t%u route%s not in table but not freed\n",
1036 rttrash, plural(rttrash));
1037}
1038
1039char *
1040ipx_print(struct sockaddr *sa)
1041{
1042 u_short port;
1043 struct servent *sp = 0;
1044 char *net = "", *host = "";
1045 register char *p;
1046 register u_char *q;
1047 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
1048 static char mybuf[50];
1049 char cport[10], chost[15], cnet[15];
1050
1051 port = ntohs(work.x_port);
1052
1053 if (ipx_nullnet(work) && ipx_nullhost(work)) {
1054
1055 if (port) {
1056 if (sp)
1057 sprintf(mybuf, "*.%s", sp->s_name);
1058 else
1059 sprintf(mybuf, "*.%x", port);
1060 } else
1061 sprintf(mybuf, "*.*");
1062
1063 return (mybuf);
1064 }
1065
1066 if (ipx_wildnet(work))
1067 net = "any";
1068 else if (ipx_nullnet(work))
1069 net = "*";
1070 else {
1071 q = work.x_net.c_net;
1072 sprintf(cnet, "%02x%02x%02x%02x",
1073 q[0], q[1], q[2], q[3]);
1074 for (p = cnet; *p == '0' && p < cnet + 8; p++)
1075 continue;
1076 net = p;
1077 }
1078
1079 if (ipx_wildhost(work))
1080 host = "any";
1081 else if (ipx_nullhost(work))
1082 host = "*";
1083 else {
1084 q = work.x_host.c_host;
1085 sprintf(chost, "%02x%02x%02x%02x%02x%02x",
1086 q[0], q[1], q[2], q[3], q[4], q[5]);
1087 for (p = chost; *p == '0' && p < chost + 12; p++)
1088 continue;
1089 host = p;
1090 }
1091
1092 if (port) {
1093 if (strcmp(host, "*") == 0)
1094 host = "";
1095 if (sp)
1096 snprintf(cport, sizeof(cport),
1097 "%s%s", *host ? "." : "", sp->s_name);
1098 else
1099 snprintf(cport, sizeof(cport),
1100 "%s%x", *host ? "." : "", port);
1101 } else
1102 *cport = 0;
1103
1104 snprintf(mybuf, sizeof(mybuf), "%s.%s%s", net, host, cport);
1105 return(mybuf);
1106}
1107
1108char *
1109ipx_phost(struct sockaddr *sa)
1110{
1111 register struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa;
1112 struct sockaddr_ipx work;
1113 static union ipx_net ipx_zeronet;
1114 char *p;
1115 struct ipx_addr in;
1116
1117 work = *sipx;
1118 in = work.sipx_addr;
1119
1120 work.sipx_addr.x_port = 0;
1121 work.sipx_addr.x_net = ipx_zeronet;
1122 p = ipx_print((struct sockaddr *)&work);
1123 if (strncmp("*.", p, 2) == 0) p += 2;
1124
1125 return(p);
1126}
1127
1128#ifdef NS
1129short ns_nullh[] = {0,0,0};
1130short ns_bh[] = {-1,-1,-1};
1131
1132char *
1133ns_print(struct sockaddr *sa)
1134{
1135 register struct sockaddr_ns *sns = (struct sockaddr_ns*)sa;
1136 struct ns_addr work;
1137 union { union ns_net net_e; u_long long_e; } net;
1138 u_short port;
1139 static char mybuf[50], cport[10], chost[25];
1140 char *host = "";
1141 register char *p; register u_char *q;
1142
1143 work = sns->sns_addr;
1144 port = ntohs(work.x_port);
1145 work.x_port = 0;
1146 net.net_e = work.x_net;
1147 if (ns_nullhost(work) && net.long_e == 0) {
1148 if (port ) {
1149 sprintf(mybuf, "*.%xH", port);
1150 upHex(mybuf);
1151 } else
1152 sprintf(mybuf, "*.*");
1153 return (mybuf);
1154 }
1155
1156 if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) {
1157 host = "any";
1158 } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) {
1159 host = "*";
1160 } else {
1161 q = work.x_host.c_host;
1162 sprintf(chost, "%02x%02x%02x%02x%02x%02xH",
1163 q[0], q[1], q[2], q[3], q[4], q[5]);
1164 for (p = chost; *p == '0' && p < chost + 12; p++)
1165 continue;
1166 host = p;
1167 }
1168 if (port)
1169 sprintf(cport, ".%xH", htons(port));
1170 else
1171 *cport = 0;
1172
1173 sprintf(mybuf,"%xH.%s%s", ntohl(net.long_e), host, cport);
1174 upHex(mybuf);
1175 return(mybuf);
1176}
1177
1178char *
1179ns_phost(struct sockaddr *sa)
1180{
1181 register struct sockaddr_ns *sns = (struct sockaddr_ns *)sa;
1182 struct sockaddr_ns work;
1183 static union ns_net ns_zeronet;
1184 char *p;
1185
1186 work = *sns;
1187 work.sns_addr.x_port = 0;
1188 work.sns_addr.x_net = ns_zeronet;
1189
1190 p = ns_print((struct sockaddr *)&work);
1191 if (strncmp("0H.", p, 3) == 0)
1192 p += 3;
1193 return(p);
1194}
1195#endif
1196
1197void
1198upHex(char *p0)
1199{
1200 register char *p = p0;
1201
1202 for (; *p; p++)
1203 switch (*p) {
1204
1205 case 'a':
1206 case 'b':
1207 case 'c':
1208 case 'd':
1209 case 'e':
1210 case 'f':
1211 *p += ('A' - 'a');
1212 break;
1213 }
1214}