?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Remove advertising header from all userland binaries.
[dragonfly.git] / usr.bin / netstat / route.c
blob2e77c6c165cd20e0018cfbc774b2bd590dcd78bb
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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)route.c 8.6 (Berkeley) 4/28/95
30 * $FreeBSD: src/usr.bin/netstat/route.c,v 1.41.2.14 2002/07/17 02:22:22 kbyanc Exp $
31 */
32
33 #include <sys/kinfo.h>
34 #include <sys/param.h>
35 #include <sys/socket.h>
36 #include <sys/time.h>
37
38 #include <net/ethernet.h>
39 #include <net/if.h>
40 #include <net/if_var.h>
41 #include <net/if_dl.h>
42 #include <net/if_types.h>
43 #include <net/route.h>
44
45 #include <netinet/in.h>
46 #include <netipx/ipx.h>
47 #include <netgraph/socket/ng_socket.h>
48
49 #include <netproto/mpls/mpls.h>
50
51 #include <sys/sysctl.h>
52
53 #include <arpa/inet.h>
54 #include <libutil.h>
55 #include <netdb.h>
56 #include <stdio.h>
57 #include <stdlib.h>
58 #include <string.h>
59 #include <unistd.h>
60 #include <err.h>
61 #include <time.h>
62 #include <kinfo.h>
63 #include "netstat.h"
64
65 #define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d)))
66
67
68 /* alignment constraint for routing socket */
69 #define ROUNDUP(a) \
70 ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
71 #define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
72
73 /*
74 * Definitions for showing gateway flags.
75 */
76 struct bits {
77 u_long b_mask;
78 char b_val;
79 } bits[] = {
80 { RTF_UP, 'U' },
81 { RTF_GATEWAY, 'G' },
82 { RTF_HOST, 'H' },
83 { RTF_REJECT, 'R' },
84 { RTF_DYNAMIC, 'D' },
85 { RTF_MODIFIED, 'M' },
86 { RTF_DONE, 'd' }, /* Completed -- for routing messages only */
87 { RTF_CLONING, 'C' },
88 { RTF_XRESOLVE, 'X' },
89 { RTF_LLINFO, 'L' },
90 { RTF_STATIC, 'S' },
91 { RTF_PROTO1, '1' },
92 { RTF_PROTO2, '2' },
93 { RTF_WASCLONED,'W' },
94 { RTF_PRCLONING,'c' },
95 { RTF_PROTO3, '3' },
96 { RTF_BLACKHOLE,'B' },
97 { RTF_BROADCAST,'b' },
98 { RTF_MPLSOPS, 'm' },
99 { 0, 0 }
100 };
101
102 typedef union {
103 long dummy; /* Helps align structure. */
104 struct sockaddr u_sa;
105 u_short u_data[128];
106 } sa_u;
107
108 static sa_u pt_u;
109
110 int do_rtent = 0;
111 struct rtentry rtentry;
112 struct radix_node rnode;
113 struct radix_mask rmask;
114 struct radix_node_head *rt_tables[AF_MAX+1];
115
116 int NewTree = 0;
117
118 static struct sockaddr *kgetsa (struct sockaddr *);
119 static void size_cols (int ef, struct radix_node *rn);
120 static void size_cols_tree (struct radix_node *rn);
121 static void size_cols_rtentry (struct rtentry *rt);
122 static void p_tree (struct radix_node *);
123 static void p_rtnode (void);
124 static void ntreestuff (void);
125 static void np_rtentry (struct rt_msghdr *);
126 static void p_sockaddr (struct sockaddr *, struct sockaddr *, int, int);
127 static const char *fmt_sockaddr (struct sockaddr *sa, struct sockaddr *mask,
128 int flags);
129 static void p_flags (int, const char *);
130 static const char *fmt_flags(int f);
131 static void p_rtentry (struct rtentry *);
132 static u_long forgemask (u_long);
133 static void domask (char *, u_long, u_long);
134 static const char *labelops(struct rtentry *);
135
136 /*
137 * Print routing tables.
138 */
139 void
140 routepr(u_long rtree)
141 {
142 struct radix_node_head *rnh, head;
143 int i;
144
145 printf("Routing tables\n");
146
147 if (Aflag == 0 && NewTree) {
148 ntreestuff();
149 } else {
150 if (rtree == 0) {
151 printf("rt_tables: symbol not in namelist\n");
152 return;
153 }
154 if (cpuflag >= 0) {
155 /*
156 * Severe hack.
157 */
158 rtree += cpuflag * (AF_MAX + 1) * sizeof(void *);
159 }
160 if (kget(rtree, rt_tables) != 0)
161 return;
162 for (i = 0; i <= AF_MAX; i++) {
163 if ((rnh = rt_tables[i]) == NULL)
164 continue;
165 if (kget(rnh, head) != 0)
166 continue;
167 if (i == AF_UNSPEC) {
168 if (Aflag && af == 0) {
169 printf("Netmasks:\n");
170 p_tree(head.rnh_treetop);
171 }
172 } else if (af == AF_UNSPEC || af == i) {
173 size_cols(i, head.rnh_treetop);
174 pr_family(i);
175 do_rtent = 1;
176 pr_rthdr(i);
177 p_tree(head.rnh_treetop);
178 }
179 }
180 }
181 }
182
183 /*
184 * Print address family header before a section of the routing table.
185 */
186 void
187 pr_family(int af1)
188 {
189 const char *afname;
190
191 switch (af1) {
192 case AF_INET:
193 afname = "Internet";
194 break;
195 #ifdef INET6
196 case AF_INET6:
197 afname = "Internet6";
198 break;
199 #endif /*INET6*/
200 case AF_IPX:
201 afname = "IPX";
202 break;
203 case AF_ISO:
204 afname = "ISO";
205 break;
206 case AF_CCITT:
207 afname = "X.25";
208 break;
209 case AF_NETGRAPH:
210 afname = "Netgraph";
211 break;
212 case AF_MPLS:
213 afname = "MPLS";
214 break;
215 default:
216 afname = NULL;
217 break;
218 }
219 if (afname)
220 printf("\n%s:\n", afname);
221 else
222 printf("\nProtocol Family %d:\n", af1);
223 }
224
225 /* column widths; each followed by one space */
226 #ifndef INET6
227 #define WID_DST_DEFAULT(af) 18 /* width of destination column */
228 #define WID_GW_DEFAULT(af) 18 /* width of gateway column */
229 #define WID_IF_DEFAULT(af) (Wflag ? 8 : 6) /* width of netif column */
230 #else
231 #define WID_DST_DEFAULT(af) \
232 ((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18)
233 #define WID_GW_DEFAULT(af) \
234 ((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18)
235 #define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : (Wflag ? 8 :6))
236 #endif /*INET6*/
237
238 static int wid_dst;
239 static int wid_gw;
240 static int wid_flags;
241 static int wid_refs;
242 static int wid_use;
243 static int wid_mtu;
244 static int wid_if;
245 static int wid_expire;
246 static int wid_mplslops;
247 static int wid_msl;
248 static int wid_iwmax;
249 static int wid_iw;
250
251 static void
252 size_cols(int ef, struct radix_node *rn)
253 {
254 wid_dst = WID_DST_DEFAULT(ef);
255 wid_gw = WID_GW_DEFAULT(ef);
256 wid_flags = 6;
257 wid_refs = 6;
258 wid_use = 8;
259 wid_mtu = 6;
260 wid_if = WID_IF_DEFAULT(ef);
261 wid_expire = 6;
262 wid_mplslops = 7;
263 wid_msl = 7;
264 wid_iwmax = 5;
265 wid_iw = 2;
266
267 if (Wflag)
268 size_cols_tree(rn);
269 }
270
271 static void
272 size_cols_tree(struct radix_node *rn)
273 {
274 again:
275 if (kget(rn, rnode) != 0)
276 return;
277 if (!(rnode.rn_flags & RNF_ACTIVE))
278 return;
279 if (rnode.rn_bit < 0) {
280 if ((rnode.rn_flags & RNF_ROOT) == 0) {
281 if (kget(rn, rtentry) != 0)
282 return;
283 size_cols_rtentry(&rtentry);
284 }
285 if ((rn = rnode.rn_dupedkey))
286 goto again;
287 } else {
288 rn = rnode.rn_right;
289 size_cols_tree(rnode.rn_left);
290 size_cols_tree(rn);
291 }
292 }
293
294 static void
295 size_cols_rtentry(struct rtentry *rt)
296 {
297 static struct ifnet ifnet, *lastif;
298 struct rtentry parent;
299 static char buffer[100];
300 const char *bp;
301 struct sockaddr *sa;
302 sa_u addr, mask;
303 int len;
304
305 /*
306 * Don't print protocol-cloned routes unless -a.
307 */
308 if (rt->rt_flags & RTF_WASCLONED && !aflag) {
309 if (kget(rt->rt_parent, parent) != 0)
310 return;
311 if (parent.rt_flags & RTF_PRCLONING)
312 return;
313 }
314
315 bzero(&addr, sizeof(addr));
316 if ((sa = kgetsa(rt_key(rt))))
317 bcopy(sa, &addr, sa->sa_len);
318 bzero(&mask, sizeof(mask));
319 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
320 bcopy(sa, &mask, sa->sa_len);
321 bp = fmt_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags);
322 len = strlen(bp);
323 wid_dst = MAX(len, wid_dst);
324
325 bp = fmt_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST);
326 len = strlen(bp);
327 wid_gw = MAX(len, wid_gw);
328
329 bp = fmt_flags(rt->rt_flags);
330 len = strlen(bp);
331 wid_flags = MAX(len, wid_flags);
332
333 if (addr.u_sa.sa_family == AF_INET || Wflag) {
334 len = snprintf(buffer, sizeof(buffer), "%ld", rt->rt_refcnt);
335 wid_refs = MAX(len, wid_refs);
336 len = snprintf(buffer, sizeof(buffer), "%lu", rt->rt_use);
337 wid_use = MAX(len, wid_use);
338 if (Wflag && rt->rt_rmx.rmx_mtu != 0) {
339 len = snprintf(buffer, sizeof(buffer),
340 "%lu", rt->rt_rmx.rmx_mtu);
341 wid_mtu = MAX(len, wid_mtu);
342 }
343 }
344 if (rt->rt_ifp) {
345 if (rt->rt_ifp != lastif) {
346 if (kget(rt->rt_ifp, ifnet) == 0)
347 len = strlen(ifnet.if_xname);
348 else
349 len = strlen("---");
350 lastif = rt->rt_ifp;
351 wid_if = MAX(len, wid_if);
352 }
353 if (rt->rt_rmx.rmx_expire) {
354 time_t expire_time;
355
356 if ((expire_time =
357 rt->rt_rmx.rmx_expire - time(NULL)) > 0) {
358 snprintf(buffer, sizeof(buffer), "%d",
359 (int)expire_time);
360 wid_expire = MAX(len, wid_expire);
361 }
362 }
363 }
364 if (Wflag) {
365 if (rt->rt_shim[0] != NULL) {
366 len = strlen(labelops(rt));
367 wid_mplslops = MAX(len, wid_mplslops);
368 }
369
370 if (rt->rt_rmx.rmx_msl) {
371 len = snprintf(buffer, sizeof(buffer),
372 "%lu", rt->rt_rmx.rmx_msl);
373 wid_msl = MAX(len, wid_msl);
374 }
375 if (rt->rt_rmx.rmx_iwmaxsegs) {
376 len = snprintf(buffer, sizeof(buffer),
377 "%lu", rt->rt_rmx.rmx_iwmaxsegs);
378 wid_iwmax = MAX(len, wid_iwmax);
379 }
380 if (rt->rt_rmx.rmx_iwcapsegs) {
381 len = snprintf(buffer, sizeof(buffer),
382 "%lu", rt->rt_rmx.rmx_iwcapsegs);
383 wid_iw = MAX(len, wid_iw);
384 }
385 }
386 }
387
388
389 /*
390 * Print header for routing table columns.
391 */
392 void
393 pr_rthdr(int af1)
394 {
395
396 if (Aflag)
397 printf("%-8.8s ","Address");
398 if (af1 == AF_INET || Wflag) {
399 if (Wflag) {
400 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*.*s "
401 "%*s %-*s%*s %*s %*s\n",
402 wid_dst, wid_dst, "Destination",
403 wid_gw, wid_gw, "Gateway",
404 wid_flags, wid_flags, "Flags",
405 wid_refs, wid_refs, "Refs",
406 wid_use, wid_use, "Use",
407 wid_mtu, wid_mtu, "Mtu",
408 wid_if, wid_if, "Netif",
409 wid_expire, "Expire",
410 wid_mplslops, "Labelops",
411 wid_msl, "Msl",
412 wid_iwmax, "IWmax",
413 wid_iw, "IW");
414 } else {
415 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*s\n",
416 wid_dst, wid_dst, "Destination",
417 wid_gw, wid_gw, "Gateway",
418 wid_flags, wid_flags, "Flags",
419 wid_refs, wid_refs, "Refs",
420 wid_use, wid_use, "Use",
421 wid_if, wid_if, "Netif",
422 wid_expire, "Expire");
423 }
424 } else {
425 printf("%-*.*s %-*.*s %-*.*s %*.*s %*s\n",
426 wid_dst, wid_dst, "Destination",
427 wid_gw, wid_gw, "Gateway",
428 wid_flags, wid_flags, "Flags",
429 wid_if, wid_if, "Netif",
430 wid_expire, "Expire");
431 }
432 }
433
434 static struct sockaddr *
435 kgetsa(struct sockaddr *dst)
436 {
437
438 if (kget(dst, pt_u.u_sa) != 0)
439 return (NULL);
440 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
441 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
442 return (&pt_u.u_sa);
443 }
444
445 static void
446 p_tree(struct radix_node *rn)
447 {
448
449 again:
450 if (kget(rn, rnode) != 0)
451 return;
452 if (!(rnode.rn_flags & RNF_ACTIVE))
453 return;
454 if (rnode.rn_bit < 0) {
455 if (Aflag)
456 printf("%-8.8lx ", (u_long)rn);
457 if (rnode.rn_flags & RNF_ROOT) {
458 if (Aflag)
459 printf("(root node)%s",
460 rnode.rn_dupedkey ? " =>\n" : "\n");
461 } else if (do_rtent) {
462 if (kget(rn, rtentry) == 0) {
463 p_rtentry(&rtentry);
464 if (Aflag)
465 p_rtnode();
466 }
467 } else {
468 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
469 NULL, 0, 44);
470 putchar('\n');
471 }
472 if ((rn = rnode.rn_dupedkey))
473 goto again;
474 } else {
475 if (Aflag && do_rtent) {
476 printf("%-8.8lx ", (u_long)rn);
477 p_rtnode();
478 }
479 rn = rnode.rn_right;
480 p_tree(rnode.rn_left);
481 p_tree(rn);
482 }
483 }
484
485 char nbuf[20];
486
487 static void
488 p_rtnode(void)
489 {
490 struct radix_mask *rm = rnode.rn_mklist;
491
492 if (rnode.rn_bit < 0) {
493 if (rnode.rn_mask) {
494 printf("\t mask ");
495 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
496 NULL, 0, -1);
497 } else if (rm == NULL)
498 return;
499 } else {
500 sprintf(nbuf, "(%d)", rnode.rn_bit);
501 printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_left, (u_long)rnode.rn_right);
502 }
503 while (rm) {
504 if (kget(rm, rmask) != 0)
505 break;
506 sprintf(nbuf, " %d refs, ", rmask.rm_refs);
507 printf(" mk = %8.8lx {(%d),%s",
508 (u_long)rm, -1 - rmask.rm_bit, rmask.rm_refs ? nbuf : " ");
509 if (rmask.rm_flags & RNF_NORMAL) {
510 struct radix_node rnode_aux;
511 printf(" <normal>, ");
512 if (kget(rmask.rm_leaf, rnode_aux) == 0)
513 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
514 NULL, 0, -1);
515 else
516 p_sockaddr(NULL, NULL, 0, -1);
517 } else
518 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
519 NULL, 0, -1);
520 putchar('}');
521 if ((rm = rmask.rm_next))
522 printf(" ->");
523 }
524 putchar('\n');
525 }
526
527 static void
528 ntreestuff(void)
529 {
530 size_t needed;
531 int mib[7];
532 int miblen;
533 char *buf, *next, *lim;
534 struct rt_msghdr *rtm;
535
536 mib[0] = CTL_NET;
537 mib[1] = PF_ROUTE;
538 mib[2] = 0;
539 mib[3] = 0;
540 mib[4] = NET_RT_DUMP;
541 mib[5] = 0;
542 if (cpuflag >= 0) {
543 mib[6] = cpuflag;
544 miblen = 7;
545 } else {
546 miblen = 6;
547 }
548 if (sysctl(mib, miblen, NULL, &needed, NULL, 0) < 0) {
549 err(1, "sysctl: net.route.0.0.dump estimate");
550 }
551
552 if ((buf = malloc(needed)) == NULL) {
553 err(2, "malloc(%lu)", (unsigned long)needed);
554 }
555 if (sysctl(mib, miblen, buf, &needed, NULL, 0) < 0) {
556 err(1, "sysctl: net.route.0.0.dump");
557 }
558 lim = buf + needed;
559 for (next = buf; next < lim; next += rtm->rtm_msglen) {
560 rtm = (struct rt_msghdr *)next;
561 np_rtentry(rtm);
562 }
563 }
564
565 static void
566 np_rtentry(struct rt_msghdr *rtm)
567 {
568 struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
569 #ifdef notdef
570 static int masks_done, banner_printed;
571 #endif
572 static int old_af;
573 int af1 = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
574
575 #ifdef notdef
576 /* for the moment, netmasks are skipped over */
577 if (!banner_printed) {
578 printf("Netmasks:\n");
579 banner_printed = 1;
580 }
581 if (masks_done == 0) {
582 if (rtm->rtm_addrs != RTA_DST ) {
583 masks_done = 1;
584 af1 = sa->sa_family;
585 }
586 } else
587 #endif
588 af1 = sa->sa_family;
589 if (af1 != old_af) {
590 pr_family(af1);
591 old_af = af1;
592 }
593 if (rtm->rtm_addrs == RTA_DST)
594 p_sockaddr(sa, NULL, 0, 36);
595 else {
596 p_sockaddr(sa, NULL, rtm->rtm_flags, 16);
597 sa = (struct sockaddr *)(ROUNDUP(sa->sa_len) + (char *)sa);
598 p_sockaddr(sa, NULL, 0, 18);
599 }
600 p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
601 putchar('\n');
602 }
603
604 static void
605 p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
606 {
607 const char *cp;
608
609 cp = fmt_sockaddr(sa, mask, flags);
610
611 if (width < 0 )
612 printf("%s ", cp);
613 else {
614 if (numeric_addr)
615 printf("%-*s ", width, cp);
616 else
617 printf("%-*.*s ", width, width, cp);
618 }
619 }
620
621 static const char *
622 fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags)
623 {
624 static char workbuf[128];
625 const char *cp = workbuf;
626
627 if (sa == NULL)
628 return ("null");
629
630 switch(sa->sa_family) {
631 case AF_INET:
632 {
633 struct sockaddr_in *sin = (struct sockaddr_in *)sa;
634
635 if ((sin->sin_addr.s_addr == INADDR_ANY) &&
636 mask &&
637 ntohl(((struct sockaddr_in *)mask)->sin_addr.s_addr)
638 ==0L)
639 cp = "default" ;
640 else if (flags & RTF_HOST)
641 cp = routename(sin->sin_addr.s_addr);
642 else if (mask)
643 cp = netname(sin->sin_addr.s_addr,
644 ntohl(((struct sockaddr_in *)mask)
645 ->sin_addr.s_addr));
646 else
647 cp = netname(sin->sin_addr.s_addr, 0L);
648 break;
649 }
650
651 #ifdef INET6
652 case AF_INET6:
653 {
654 struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
655 struct in6_addr *in6 = &sa6->sin6_addr;
656
657 /*
658 * XXX: This is a special workaround for KAME kernels.
659 * sin6_scope_id field of SA should be set in the future.
660 */
661 if (IN6_IS_ADDR_LINKLOCAL(in6) ||
662 IN6_IS_ADDR_MC_LINKLOCAL(in6)) {
663 /* XXX: override is ok? */
664 sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)&in6->s6_addr[2]);
665 *(u_short *)&in6->s6_addr[2] = 0;
666 }
667
668 if (flags & RTF_HOST)
669 cp = routename6(sa6);
670 else if (mask)
671 cp = netname6(sa6,
672 &((struct sockaddr_in6 *)mask)->sin6_addr);
673 else {
674 cp = netname6(sa6, NULL);
675 }
676 break;
677 }
678 #endif /*INET6*/
679
680 case AF_IPX:
681 {
682 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
683 if (ipx_nullnet(satoipx_addr(work)))
684 cp = "default";
685 else
686 cp = ipx_print(sa);
687 break;
688 }
689 case AF_NETGRAPH:
690 {
691 printf("%s", ((struct sockaddr_ng *)sa)->sg_data);
692 break;
693 }
694 case AF_LINK:
695 {
696 struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
697
698 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
699 sdl->sdl_slen == 0)
700 (void) sprintf(workbuf, "link#%d", sdl->sdl_index);
701 else
702 switch (sdl->sdl_type) {
703
704 case IFT_ETHER:
705 case IFT_L2VLAN:
706 case IFT_CARP:
707 if (sdl->sdl_alen == ETHER_ADDR_LEN) {
708 cp = ether_ntoa((struct ether_addr *)
709 (sdl->sdl_data + sdl->sdl_nlen));
710 break;
711 }
712 /* FALLTHROUGH */
713 default:
714 cp = link_ntoa(sdl);
715 break;
716 }
717 break;
718 }
719
720 case AF_MPLS:
721 {
722 struct sockaddr_mpls *smpls = (struct sockaddr_mpls *)sa;
723
724 (void) sprintf(workbuf, "%d", ntohl(smpls->smpls_label));
725 break;
726 }
727
728 default:
729 {
730 u_char *s = (u_char *)sa->sa_data, *slim;
731 char *cq, *cqlim;
732
733 cq = workbuf;
734 slim = sa->sa_len + (u_char *) sa;
735 cqlim = cq + sizeof(workbuf) - 6;
736 cq += sprintf(cq, "(%d)", sa->sa_family);
737 while (s < slim && cq < cqlim) {
738 cq += sprintf(cq, " %02x", *s++);
739 if (s < slim)
740 cq += sprintf(cq, "%02x", *s++);
741 }
742 cp = workbuf;
743 }
744 }
745
746 return (cp);
747 }
748
749 static void
750 p_flags(int f, const char *format)
751 {
752 printf(format, fmt_flags(f));
753 }
754
755 static const char *
756 fmt_flags(int f)
757 {
758 static char name[33];
759 char *flags;
760 struct bits *p = bits;
761
762 for (flags = name; p->b_mask; p++)
763 if (p->b_mask & f)
764 *flags++ = p->b_val;
765 *flags = '\0';
766 return (name);
767 }
768
769 static void
770 p_rtentry(struct rtentry *rt)
771 {
772 static struct ifnet ifnet, *lastif;
773 struct rtentry parent;
774 static char buffer[128];
775 static char prettyname[128];
776 struct sockaddr *sa;
777 sa_u addr, mask;
778
779 /*
780 * Don't print protocol-cloned routes unless -a.
781 */
782 if (rt->rt_flags & RTF_WASCLONED && !aflag) {
783 if (kget(rt->rt_parent, parent) != 0)
784 return;
785 if (parent.rt_flags & RTF_PRCLONING)
786 return;
787 }
788
789 bzero(&addr, sizeof(addr));
790 if ((sa = kgetsa(rt_key(rt))))
791 bcopy(sa, &addr, sa->sa_len);
792 bzero(&mask, sizeof(mask));
793 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
794 bcopy(sa, &mask, sa->sa_len);
795 p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, wid_dst);
796 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, wid_gw);
797 snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags);
798 p_flags(rt->rt_flags, buffer);
799 if (addr.u_sa.sa_family == AF_INET || Wflag) {
800 printf("%*ld %*lu ", wid_refs, rt->rt_refcnt,
801 wid_use, rt->rt_use);
802 if (Wflag) {
803 if (rt->rt_rmx.rmx_mtu != 0)
804 printf("%*lu ", wid_mtu, rt->rt_rmx.rmx_mtu);
805 else
806 printf("%*s ", wid_mtu, "");
807 }
808 }
809 if (rt->rt_ifp) {
810 if (rt->rt_ifp != lastif) {
811 if (kget(rt->rt_ifp, ifnet) == 0)
812 strlcpy(prettyname, ifnet.if_xname,
813 sizeof(prettyname));
814 else
815 strlcpy(prettyname, "---", sizeof(prettyname));
816 lastif = rt->rt_ifp;
817 }
818 printf("%*.*s", wid_if, wid_if, prettyname);
819 if (rt->rt_rmx.rmx_expire) {
820 time_t expire_time;
821
822 if ((expire_time =
823 rt->rt_rmx.rmx_expire - time(NULL)) > 0)
824 printf(" %*d", wid_expire, (int)expire_time);
825 else
826 printf("%*s ", wid_expire, "");
827 } else {
828 printf("%*s ", wid_expire, "");
829 }
830 if (rt->rt_nodes[0].rn_dupedkey)
831 printf(" =>");
832 }
833 if (Wflag) {
834 if (rt->rt_shim[0] != NULL)
835 printf(" %-*s", wid_mplslops, labelops(rt));
836 else
837 printf(" %-*s", wid_mplslops, "");
838 if (rt->rt_rmx.rmx_msl != 0)
839 printf(" %*lu", wid_msl, rt->rt_rmx.rmx_msl);
840 else
841 printf("%*s ", wid_msl, "");
842 if (rt->rt_rmx.rmx_iwmaxsegs != 0)
843 printf(" %*lu", wid_iwmax, rt->rt_rmx.rmx_iwmaxsegs);
844 else
845 printf("%*s ", wid_iwmax, "");
846 if (rt->rt_rmx.rmx_iwcapsegs != 0)
847 printf(" %*lu", wid_iw, rt->rt_rmx.rmx_iwcapsegs);
848 else
849 printf("%*s ", wid_iw, "");
850 }
851 putchar('\n');
852 }
853
854 char *
855 routename(u_long in)
856 {
857 char *cp;
858 static char line[MAXHOSTNAMELEN];
859 struct hostent *hp;
860
861 cp = NULL;
862 if (!numeric_addr) {
863 hp = gethostbyaddr(&in, sizeof (struct in_addr), AF_INET);
864 if (hp) {
865 cp = hp->h_name;
866 trimdomain(cp, strlen(cp));
867 }
868 }
869 if (cp) {
870 strncpy(line, cp, sizeof(line) - 1);
871 line[sizeof(line) - 1] = '\0';
872 } else {
873 #define C(x) ((x) & 0xff)
874 in = ntohl(in);
875 sprintf(line, "%lu.%lu.%lu.%lu",
876 C(in >> 24), C(in >> 16), C(in >> 8), C(in));
877 }
878 return (line);
879 }
880
881 static u_long
882 forgemask(u_long a)
883 {
884 u_long m;
885
886 if (IN_CLASSA(a))
887 m = IN_CLASSA_NET;
888 else if (IN_CLASSB(a))
889 m = IN_CLASSB_NET;
890 else
891 m = IN_CLASSC_NET;
892 return (m);
893 }
894
895 static void
896 domask(char *dst, u_long addr, u_long mask)
897 {
898 int b, i;
899
900 if (!mask || (forgemask(addr) == mask)) {
901 *dst = '\0';
902 return;
903 }
904 i = 0;
905 for (b = 0; b < 32; b++)
906 if (mask & (1 << b)) {
907 int bb;
908
909 i = b;
910 for (bb = b+1; bb < 32; bb++)
911 if (!(mask & (1 << bb))) {
912 i = -1; /* noncontig */
913 break;
914 }
915 break;
916 }
917 if (i == -1)
918 sprintf(dst, "&0x%lx", mask);
919 else
920 sprintf(dst, "/%d", 32-i);
921 }
922
923 /*
924 * Return the name of the network whose address is given.
925 * The address is assumed to be that of a net or subnet, not a host.
926 */
927 char *
928 netname(u_long in, u_long mask)
929 {
930 char *cp = NULL;
931 static char line[MAXHOSTNAMELEN];
932 struct netent *np = NULL;
933 u_long dmask;
934 u_long i;
935
936 #define NSHIFT(m) ( \
937 (m) == IN_CLASSA_NET ? IN_CLASSA_NSHIFT : \
938 (m) == IN_CLASSB_NET ? IN_CLASSB_NSHIFT : \
939 (m) == IN_CLASSC_NET ? IN_CLASSC_NSHIFT : \
940 0)
941
942 i = ntohl(in);
943 dmask = forgemask(i);
944 if (!numeric_addr && i) {
945 np = getnetbyaddr(i >> NSHIFT(mask), AF_INET);
946 if (np == NULL && mask == 0)
947 np = getnetbyaddr(i >> NSHIFT(dmask), AF_INET);
948 if (np != NULL) {
949 cp = np->n_name;
950 trimdomain(cp, strlen(cp));
951 }
952 }
953 #undef NSHIFT
954 if (cp != NULL) {
955 strncpy(line, cp, sizeof(line) - 1);
956 line[sizeof(line) - 1] = '\0';
957 } else {
958 if (mask <= IN_CLASSA_NET &&
959 (i & IN_CLASSA_HOST) == 0) {
960 sprintf(line, "%lu", C(i >> 24));
961 } else if (mask <= IN_CLASSB_NET &&
962 (i & IN_CLASSB_HOST) == 0) {
963 sprintf(line, "%lu.%lu",
964 C(i >> 24), C(i >> 16));
965 } else if (mask <= IN_CLASSC_NET &&
966 (i & IN_CLASSC_HOST) == 0) {
967 sprintf(line, "%lu.%lu.%lu",
968 C(i >> 24), C(i >> 16), C(i >> 8));
969 } else {
970 sprintf(line, "%lu.%lu.%lu.%lu",
971 C(i >> 24), C(i >> 16), C(i >> 8), C(i));
972 }
973 }
974 domask(line + strlen(line), i, mask);
975 return (line);
976 }
977
978 #ifdef INET6
979 const char *
980 netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
981 {
982 static char line[MAXHOSTNAMELEN];
983 u_char *p = (u_char *)mask;
984 u_char *lim;
985 int masklen, illegal = 0, flag = NI_WITHSCOPEID;
986
987 if (mask) {
988 for (masklen = 0, lim = p + 16; p < lim; p++) {
989 switch (*p) {
990 case 0xff:
991 masklen += 8;
992 break;
993 case 0xfe:
994 masklen += 7;
995 break;
996 case 0xfc:
997 masklen += 6;
998 break;
999 case 0xf8:
1000 masklen += 5;
1001 break;
1002 case 0xf0:
1003 masklen += 4;
1004 break;
1005 case 0xe0:
1006 masklen += 3;
1007 break;
1008 case 0xc0:
1009 masklen += 2;
1010 break;
1011 case 0x80:
1012 masklen += 1;
1013 break;
1014 case 0x00:
1015 break;
1016 default:
1017 illegal ++;
1018 break;
1019 }
1020 }
1021 if (illegal)
1022 fprintf(stderr, "illegal prefixlen\n");
1023 }
1024 else
1025 masklen = 128;
1026
1027 if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sa6->sin6_addr))
1028 return("default");
1029
1030 if (numeric_addr)
1031 flag |= NI_NUMERICHOST;
1032 getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line),
1033 NULL, 0, flag);
1034
1035 if (numeric_addr)
1036 sprintf(&line[strlen(line)], "/%d", masklen);
1037
1038 return line;
1039 }
1040
1041 char *
1042 routename6(struct sockaddr_in6 *sa6)
1043 {
1044 static char line[MAXHOSTNAMELEN];
1045 int flag = NI_WITHSCOPEID;
1046 /* use local variable for safety */
1047 struct sockaddr_in6 sa6_local;
1048
1049 sa6_local.sin6_family = AF_INET6;
1050 sa6_local.sin6_len = sizeof(sa6_local);
1051 sa6_local.sin6_addr = sa6->sin6_addr;
1052 sa6_local.sin6_scope_id = sa6->sin6_scope_id;
1053
1054 if (numeric_addr)
1055 flag |= NI_NUMERICHOST;
1056
1057 getnameinfo((struct sockaddr *)&sa6_local, sa6_local.sin6_len,
1058 line, sizeof(line), NULL, 0, flag);
1059
1060 return line;
1061 }
1062 #endif /*INET6*/
1063
1064 /*
1065 * Print routing statistics
1066 */
1067 void
1068 rt_stats(void)
1069 {
1070 struct rtstatistics rts;
1071 int error = 0;
1072
1073 error = kinfo_get_net_rtstatistics(&rts);
1074 if (error) {
1075 printf("routing: could not retrieve statistics\n");
1076 return;
1077 }
1078 printf("routing:\n");
1079
1080 #define p(f, m) if (rts.f || sflag <= 1) \
1081 printf(m, rts.f, plural(rts.f))
1082
1083 p(rts_badredirect, "\t%lu bad routing redirect%s\n");
1084 p(rts_dynamic, "\t%lu dynamically created route%s\n");
1085 p(rts_newgateway, "\t%lu new gateway%s due to redirects\n");
1086 p(rts_unreach, "\t%lu destination%s found unreachable\n");
1087 p(rts_wildcard, "\t%lu use%s of a wildcard route\n");
1088 #undef p
1089 }
1090
1091 char *
1092 ipx_print(struct sockaddr *sa)
1093 {
1094 u_short port;
1095 struct servent *sp = NULL;
1096 const char *net = "", *host = "";
1097 char *p;
1098 u_char *q;
1099 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
1100 static char mybuf[50];
1101 char cport[10], chost[15], cnet[15];
1102
1103 port = ntohs(work.x_port);
1104
1105 if (ipx_nullnet(work) && ipx_nullhost(work)) {
1106
1107 if (port) {
1108 if (sp)
1109 sprintf(mybuf, "*.%s", sp->s_name);
1110 else
1111 sprintf(mybuf, "*.%x", port);
1112 } else
1113 sprintf(mybuf, "*.*");
1114
1115 return (mybuf);
1116 }
1117
1118 if (ipx_wildnet(work))
1119 net = "any";
1120 else if (ipx_nullnet(work))
1121 net = "*";
1122 else {
1123 q = work.x_net.c_net;
1124 sprintf(cnet, "%02x%02x%02x%02x",
1125 q[0], q[1], q[2], q[3]);
1126 for (p = cnet; *p == '0' && p < cnet + 8; p++)
1127 continue;
1128 net = p;
1129 }
1130
1131 if (ipx_wildhost(work))
1132 host = "any";
1133 else if (ipx_nullhost(work))
1134 host = "*";
1135 else {
1136 q = work.x_host.c_host;
1137 sprintf(chost, "%02x%02x%02x%02x%02x%02x",
1138 q[0], q[1], q[2], q[3], q[4], q[5]);
1139 for (p = chost; *p == '0' && p < chost + 12; p++)
1140 continue;
1141 host = p;
1142 }
1143
1144 if (port) {
1145 if (strcmp(host, "*") == 0)
1146 host = "";
1147 if (sp)
1148 snprintf(cport, sizeof(cport),
1149 "%s%s", *host ? "." : "", sp->s_name);
1150 else
1151 snprintf(cport, sizeof(cport),
1152 "%s%x", *host ? "." : "", port);
1153 } else
1154 *cport = 0;
1155
1156 snprintf(mybuf, sizeof(mybuf), "%s.%s%s", net, host, cport);
1157 return(mybuf);
1158 }
1159
1160 char *
1161 ipx_phost(struct sockaddr *sa)
1162 {
1163 struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa;
1164 struct sockaddr_ipx work;
1165 static union ipx_net ipx_zeronet;
1166 char *p;
1167
1168 work = *sipx;
1169 work.sipx_addr.x_port = 0;
1170 work.sipx_addr.x_net = ipx_zeronet;
1171 p = ipx_print((struct sockaddr *)&work);
1172 if (strncmp("*.", p, 2) == 0) p += 2;
1173
1174 return(p);
1175 }
1176
1177 void
1178 upHex(char *p0)
1179 {
1180 char *p = p0;
1181
1182 for (; *p; p++)
1183 switch (*p) {
1184
1185 case 'a':
1186 case 'b':
1187 case 'c':
1188 case 'd':
1189 case 'e':
1190 case 'f':
1191 *p += ('A' - 'a');
1192 break;
1193 }
1194 }
1195
1196 static const char *
1197 labelops(struct rtentry *rt)
1198 {
1199 const char *lops[] = { "push", "pop", "swap", "pop all" };
1200 static char buffer[100];
1201 char *cp = buffer;
1202 struct sockaddr_mpls *smpls;
1203 int i;
1204
1205 for (i=0; i<MPLS_MAXLOPS; ++i) {
1206
1207 if (rt->rt_shim[i] == NULL)
1208 break;
1209 if (i>0) {
1210 cp += snprintf(cp,
1211 sizeof(buffer) - (cp - buffer),
1212 ", ");
1213 }
1214 smpls = (struct sockaddr_mpls *)kgetsa(rt->rt_shim[i]);
1215 if (smpls->smpls_op != MPLSLOP_POP &&
1216 smpls->smpls_op != MPLSLOP_POPALL){
1217 cp += snprintf(cp,
1218 sizeof(buffer) - (cp - buffer),
1219 "%s %d",
1220 lops[smpls->smpls_op - 1],
1221 ntohl(smpls->smpls_label));
1222 } else {
1223 cp += snprintf(cp,
1224 sizeof(buffer) - (cp - buffer),
1225 "%s",
1226 lops[smpls->smpls_op - 1]);
1227 }
1228 }
1229
1230 return (buffer);
1231 }
DragonFly BSD