inet6.c revision 304519
1/*	BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp	*/
2/*-
3 * Copyright (c) 1983, 1988, 1993
4 *	The Regents of the University of California.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 4. Neither the name of the University nor the names of its contributors
15 *    may be used to endorse or promote products derived from this software
16 *    without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#if 0
32#ifndef lint
33static char sccsid[] = "@(#)inet6.c	8.4 (Berkeley) 4/20/94";
34#endif /* not lint */
35#endif
36
37#include <sys/cdefs.h>
38__FBSDID("$FreeBSD: stable/11/usr.bin/netstat/inet6.c 304519 2016-08-20 07:44:41Z tuexen $");
39
40#ifdef INET6
41#include <sys/param.h>
42#include <sys/socket.h>
43#include <sys/socketvar.h>
44#include <sys/ioctl.h>
45#include <sys/mbuf.h>
46#include <sys/protosw.h>
47
48#include <net/route.h>
49#include <net/if.h>
50#include <netinet/in.h>
51#include <netinet/ip6.h>
52#include <netinet/icmp6.h>
53#include <netinet/in_systm.h>
54#include <netinet6/in6_pcb.h>
55#include <netinet6/in6_var.h>
56#include <netinet6/ip6_var.h>
57#include <netinet6/pim6_var.h>
58#include <netinet6/raw_ip6.h>
59
60#include <arpa/inet.h>
61#include <netdb.h>
62
63#include <err.h>
64#include <stdint.h>
65#include <stdio.h>
66#include <stdbool.h>
67#include <errno.h>
68#include <string.h>
69#include <unistd.h>
70#include <libxo/xo.h>
71#include "netstat.h"
72
73char	*inet6name(struct in6_addr *);
74
75static char ntop_buf[INET6_ADDRSTRLEN];
76
77static	const char *ip6nh[] = {
78	"hop by hop",
79	"ICMP",
80	"IGMP",
81	"#3",
82	"IP",
83	"#5",
84	"TCP",
85	"#7",
86	"#8",
87	"#9",
88	"#10",
89	"#11",
90	"#12",
91	"#13",
92	"#14",
93	"#15",
94	"#16",
95	"UDP",
96	"#18",
97	"#19",
98	"#20",
99	"#21",
100	"IDP",
101	"#23",
102	"#24",
103	"#25",
104	"#26",
105	"#27",
106	"#28",
107	"TP",
108	"#30",
109	"#31",
110	"#32",
111	"#33",
112	"#34",
113	"#35",
114	"#36",
115	"#37",
116	"#38",
117	"#39",
118	"#40",
119	"IP6",
120	"#42",
121	"routing",
122	"fragment",
123	"#45",
124	"#46",
125	"#47",
126	"#48",
127	"#49",
128	"ESP",
129	"AH",
130	"#52",
131	"#53",
132	"#54",
133	"#55",
134	"#56",
135	"#57",
136	"ICMP6",
137	"no next header",
138	"destination option",
139	"#61",
140	"mobility",
141	"#63",
142	"#64",
143	"#65",
144	"#66",
145	"#67",
146	"#68",
147	"#69",
148	"#70",
149	"#71",
150	"#72",
151	"#73",
152	"#74",
153	"#75",
154	"#76",
155	"#77",
156	"#78",
157	"#79",
158	"ISOIP",
159	"#81",
160	"#82",
161	"#83",
162	"#84",
163	"#85",
164	"#86",
165	"#87",
166	"#88",
167	"OSPF",
168	"#80",
169	"#91",
170	"#92",
171	"#93",
172	"#94",
173	"#95",
174	"#96",
175	"Ethernet",
176	"#98",
177	"#99",
178	"#100",
179	"#101",
180	"#102",
181	"PIM",
182	"#104",
183	"#105",
184	"#106",
185	"#107",
186	"#108",
187	"#109",
188	"#110",
189	"#111",
190	"#112",
191	"#113",
192	"#114",
193	"#115",
194	"#116",
195	"#117",
196	"#118",
197	"#119",
198	"#120",
199	"#121",
200	"#122",
201	"#123",
202	"#124",
203	"#125",
204	"#126",
205	"#127",
206	"#128",
207	"#129",
208	"#130",
209	"#131",
210	"SCTP",
211	"#133",
212	"#134",
213	"#135",
214	"UDPLite",
215	"#137",
216	"#138",
217	"#139",
218	"#140",
219	"#141",
220	"#142",
221	"#143",
222	"#144",
223	"#145",
224	"#146",
225	"#147",
226	"#148",
227	"#149",
228	"#150",
229	"#151",
230	"#152",
231	"#153",
232	"#154",
233	"#155",
234	"#156",
235	"#157",
236	"#158",
237	"#159",
238	"#160",
239	"#161",
240	"#162",
241	"#163",
242	"#164",
243	"#165",
244	"#166",
245	"#167",
246	"#168",
247	"#169",
248	"#170",
249	"#171",
250	"#172",
251	"#173",
252	"#174",
253	"#175",
254	"#176",
255	"#177",
256	"#178",
257	"#179",
258	"#180",
259	"#181",
260	"#182",
261	"#183",
262	"#184",
263	"#185",
264	"#186",
265	"#187",
266	"#188",
267	"#189",
268	"#180",
269	"#191",
270	"#192",
271	"#193",
272	"#194",
273	"#195",
274	"#196",
275	"#197",
276	"#198",
277	"#199",
278	"#200",
279	"#201",
280	"#202",
281	"#203",
282	"#204",
283	"#205",
284	"#206",
285	"#207",
286	"#208",
287	"#209",
288	"#210",
289	"#211",
290	"#212",
291	"#213",
292	"#214",
293	"#215",
294	"#216",
295	"#217",
296	"#218",
297	"#219",
298	"#220",
299	"#221",
300	"#222",
301	"#223",
302	"#224",
303	"#225",
304	"#226",
305	"#227",
306	"#228",
307	"#229",
308	"#230",
309	"#231",
310	"#232",
311	"#233",
312	"#234",
313	"#235",
314	"#236",
315	"#237",
316	"#238",
317	"#239",
318	"#240",
319	"#241",
320	"#242",
321	"#243",
322	"#244",
323	"#245",
324	"#246",
325	"#247",
326	"#248",
327	"#249",
328	"#250",
329	"#251",
330	"#252",
331	"#253",
332	"#254",
333	"#255",
334};
335
336static const char *srcrule_str[] = {
337	"first candidate",
338	"same address",
339	"appropriate scope",
340	"deprecated address",
341	"home address",
342	"outgoing interface",
343	"matching label",
344	"public/temporary address",
345	"alive interface",
346	"better virtual status",
347	"preferred source",
348	"rule #11",
349	"rule #12",
350	"rule #13",
351	"longest match",
352	"rule #15",
353};
354
355/*
356 * Dump IP6 statistics structure.
357 */
358void
359ip6_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
360{
361	struct ip6stat ip6stat;
362	int first, i;
363
364	if (fetch_stats("net.inet6.ip6.stats", off, &ip6stat,
365	    sizeof(ip6stat), kread_counters) != 0)
366		return;
367
368	xo_open_container(name);
369	xo_emit("{T:/%s}:\n", name);
370
371#define	p(f, m) if (ip6stat.f || sflag <= 1) \
372	xo_emit(m, (uintmax_t)ip6stat.f, plural(ip6stat.f))
373#define	p1a(f, m) if (ip6stat.f || sflag <= 1) \
374	xo_emit(m, (uintmax_t)ip6stat.f)
375
376	p(ip6s_total, "\t{:received-packets/%ju} "
377	    "{N:/total packet%s received}\n");
378	p1a(ip6s_toosmall, "\t{:dropped-below-minimum-size/%ju} "
379	    "{N:/with size smaller than minimum}\n");
380	p1a(ip6s_tooshort, "\t{:dropped-short-packets/%ju} "
381	    "{N:/with data size < data length}\n");
382	p1a(ip6s_badoptions, "\t{:dropped-bad-options/%ju} "
383	    "{N:/with bad options}\n");
384	p1a(ip6s_badvers, "\t{:dropped-bad-version/%ju} "
385	    "{N:/with incorrect version number}\n");
386	p(ip6s_fragments, "\t{:received-fragments/%ju} "
387	    "{N:/fragment%s received}\n");
388	p(ip6s_fragdropped, "\t{:dropped-fragment/%ju} "
389	    "{N:/fragment%s dropped (dup or out of space)}\n");
390	p(ip6s_fragtimeout, "\t{:dropped-fragment-after-timeout/%ju} "
391	    "{N:/fragment%s dropped after timeout}\n");
392	p(ip6s_fragoverflow, "\t{:dropped-fragments-overflow/%ju} "
393	    "{N:/fragment%s that exceeded limit}\n");
394	p(ip6s_reassembled, "\t{:reassembled-packets/%ju} "
395	    "{N:/packet%s reassembled ok}\n");
396	p(ip6s_delivered, "\t{:received-local-packets/%ju} "
397	    "{N:/packet%s for this host}\n");
398	p(ip6s_forward, "\t{:forwarded-packets/%ju} "
399	    "{N:/packet%s forwarded}\n");
400	p(ip6s_cantforward, "\t{:packets-not-forwardable/%ju} "
401	    "{N:/packet%s not forwardable}\n");
402	p(ip6s_redirectsent, "\t{:sent-redirects/%ju} "
403	    "{N:/redirect%s sent}\n");
404	p(ip6s_localout, "\t{:sent-packets/%ju} "
405	    "{N:/packet%s sent from this host}\n");
406	p(ip6s_rawout, "\t{:send-packets-fabricated-header/%ju} "
407	    "{N:/packet%s sent with fabricated ip header}\n");
408	p(ip6s_odropped, "\t{:discard-no-mbufs/%ju} "
409	    "{N:/output packet%s dropped due to no bufs, etc.}\n");
410	p(ip6s_noroute, "\t{:discard-no-route/%ju} "
411	    "{N:/output packet%s discarded due to no route}\n");
412	p(ip6s_fragmented, "\t{:sent-fragments/%ju} "
413	    "{N:/output datagram%s fragmented}\n");
414	p(ip6s_ofragments, "\t{:fragments-created/%ju} "
415	    "{N:/fragment%s created}\n");
416	p(ip6s_cantfrag, "\t{:discard-cannot-fragment/%ju} "
417	    "{N:/datagram%s that can't be fragmented}\n");
418	p(ip6s_badscope, "\t{:discard-scope-violations/%ju} "
419	    "{N:/packet%s that violated scope rules}\n");
420	p(ip6s_notmember, "\t{:multicast-no-join-packets/%ju} "
421	    "{N:/multicast packet%s which we don't join}\n");
422	for (first = 1, i = 0; i < IP6S_HDRCNT; i++)
423		if (ip6stat.ip6s_nxthist[i] != 0) {
424			if (first) {
425				xo_emit("\t{T:Input histogram}:\n");
426				xo_open_list("input-histogram");
427				first = 0;
428			}
429			xo_open_instance("input-histogram");
430			xo_emit("\t\t{k:name/%s}: {:count/%ju}\n", ip6nh[i],
431			    (uintmax_t)ip6stat.ip6s_nxthist[i]);
432			xo_close_instance("input-histogram");
433		}
434	if (!first)
435		xo_close_list("input-histogram");
436
437	xo_open_container("mbuf-statistics");
438	xo_emit("\t{T:Mbuf statistics}:\n");
439	xo_emit("\t\t{:one-mbuf/%ju} {N:/one mbuf}\n",
440	    (uintmax_t)ip6stat.ip6s_m1);
441	for (first = 1, i = 0; i < IP6S_M2MMAX; i++) {
442		char ifbuf[IFNAMSIZ];
443		if (ip6stat.ip6s_m2m[i] != 0) {
444			if (first) {
445				xo_emit("\t\t{N:two or more mbuf}:\n");
446				xo_open_list("mbuf-data");
447				first = 0;
448			}
449			xo_open_instance("mbuf-data");
450			xo_emit("\t\t\t{k:name/%s}= {:count/%ju}\n",
451			    if_indextoname(i, ifbuf),
452			    (uintmax_t)ip6stat.ip6s_m2m[i]);
453			xo_close_instance("mbuf-data");
454		}
455	}
456	if (!first)
457		xo_close_list("mbuf-data");
458	xo_emit("\t\t{:one-extra-mbuf/%ju} {N:one ext mbuf}\n",
459	    (uintmax_t)ip6stat.ip6s_mext1);
460	xo_emit("\t\t{:two-or-more-extra-mbufs/%ju} "
461	    "{N:/two or more ext mbuf}\n", (uintmax_t)ip6stat.ip6s_mext2m);
462	xo_close_container("mbuf-statistics");
463
464	p(ip6s_exthdrtoolong, "\t{:dropped-header-too-long/%ju} "
465	    "{N:/packet%s whose headers are not contiguous}\n");
466	p(ip6s_nogif, "\t{:discard-tunnel-no-gif/%ju} "
467	    "{N:/tunneling packet%s that can't find gif}\n");
468	p(ip6s_toomanyhdr, "\t{:dropped-too-many-headers/%ju} "
469	    "{N:/packet%s discarded because of too many headers}\n");
470
471	/* for debugging source address selection */
472#define	PRINT_SCOPESTAT(s,i) do {\
473		switch(i) { /* XXX hardcoding in each case */\
474		case 1:\
475			p(s, "\t\t{ke:name/interface-locals}{:count/%ju} " \
476			  "{N:/interface-local%s}\n");	\
477			break;\
478		case 2:\
479			p(s,"\t\t{ke:name/link-locals}{:count/%ju} " \
480			"{N:/link-local%s}\n"); \
481			break;\
482		case 5:\
483			p(s,"\t\t{ke:name/site-locals}{:count/%ju} " \
484			  "{N:/site-local%s}\n");\
485			break;\
486		case 14:\
487			p(s,"\t\t{ke:name/globals}{:count/%ju} " \
488			  "{N:/global%s}\n");\
489			break;\
490		default:\
491			xo_emit("\t\t{qke:name/%#x}{:count/%ju} " \
492				"{N:/addresses scope=%#x}\n",\
493				i, (uintmax_t)ip6stat.s, i);	   \
494		}\
495	} while (0);
496
497	xo_open_container("source-address-selection");
498	p(ip6s_sources_none, "\t{:address-selection-failures/%ju} "
499	    "{N:/failure%s of source address selection}\n");
500
501	for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
502		if (ip6stat.ip6s_sources_sameif[i]) {
503			if (first) {
504				xo_open_list("outgoing-interface");
505				xo_emit("\tsource addresses on an outgoing "
506				    "I/F\n");
507				first = 0;
508			}
509			xo_open_instance("outgoing-interface");
510			PRINT_SCOPESTAT(ip6s_sources_sameif[i], i);
511			xo_close_instance("outgoing-interface");
512		}
513	}
514	if (!first)
515		xo_close_list("outgoing-interface");
516
517	for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
518		if (ip6stat.ip6s_sources_otherif[i]) {
519			if (first) {
520				xo_open_list("non-outgoing-interface");
521				xo_emit("\tsource addresses on a non-outgoing "
522				    "I/F\n");
523				first = 0;
524			}
525			xo_open_instance("non-outgoing-interface");
526			PRINT_SCOPESTAT(ip6s_sources_otherif[i], i);
527			xo_close_instance("non-outgoing-interface");
528		}
529	}
530	if (!first)
531		xo_close_list("non-outgoing-interface");
532
533	for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
534		if (ip6stat.ip6s_sources_samescope[i]) {
535			if (first) {
536				xo_open_list("same-source");
537				xo_emit("\tsource addresses of same scope\n");
538				first = 0;
539			}
540			xo_open_instance("same-source");
541			PRINT_SCOPESTAT(ip6s_sources_samescope[i], i);
542			xo_close_instance("same-source");
543		}
544	}
545	if (!first)
546		xo_close_list("same-source");
547
548	for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
549		if (ip6stat.ip6s_sources_otherscope[i]) {
550			if (first) {
551				xo_open_list("different-scope");
552				xo_emit("\tsource addresses of a different "
553				    "scope\n");
554				first = 0;
555			}
556			xo_open_instance("different-scope");
557			PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i);
558			xo_close_instance("different-scope");
559		}
560	}
561	if (!first)
562		xo_close_list("different-scope");
563
564	for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
565		if (ip6stat.ip6s_sources_deprecated[i]) {
566			if (first) {
567				xo_open_list("deprecated-source");
568				xo_emit("\tdeprecated source addresses\n");
569				first = 0;
570			}
571			xo_open_instance("deprecated-source");
572			PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i);
573			xo_close_instance("deprecated-source");
574		}
575	}
576	if (!first)
577		xo_close_list("deprecated-source");
578
579	for (first = 1, i = 0; i < IP6S_RULESMAX; i++) {
580		if (ip6stat.ip6s_sources_rule[i]) {
581			if (first) {
582				xo_open_list("rules-applied");
583				xo_emit("\t{T:Source addresses selection "
584				    "rule applied}:\n");
585				first = 0;
586			}
587			xo_open_instance("rules-applied");
588			xo_emit("\t\t{ke:name/%s}{:count/%ju} {d:name/%s}\n",
589			    srcrule_str[i],
590			    (uintmax_t)ip6stat.ip6s_sources_rule[i],
591			    srcrule_str[i]);
592			xo_close_instance("rules-applied");
593		}
594	}
595	if (!first)
596		xo_close_list("rules-applied");
597
598	xo_close_container("source-address-selection");
599
600#undef p
601#undef p1a
602	xo_close_container(name);
603}
604
605/*
606 * Dump IPv6 per-interface statistics based on RFC 2465.
607 */
608void
609ip6_ifstats(char *ifname)
610{
611	struct in6_ifreq ifr;
612	int s;
613
614#define	p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1)	\
615	xo_emit(m, (uintmax_t)ifr.ifr_ifru.ifru_stat.f,		\
616	    plural(ifr.ifr_ifru.ifru_stat.f))
617
618	if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
619		xo_warn("Warning: socket(AF_INET6)");
620		return;
621	}
622
623	strcpy(ifr.ifr_name, ifname);
624	if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) {
625		if (errno != EPFNOSUPPORT)
626			xo_warn("Warning: ioctl(SIOCGIFSTAT_IN6)");
627		goto end;
628	}
629
630	xo_emit("{T:/ip6 on %s}:\n", ifr.ifr_name);
631
632	xo_open_instance("ip6-interface-statistics");
633	xo_emit("{ke:name/%s}", ifr.ifr_name);
634
635	p(ifs6_in_receive, "\t{:received-packets/%ju} "
636	    "{N:/total input datagram%s}\n");
637	p(ifs6_in_hdrerr, "\t{:dropped-invalid-header/%ju} "
638	    "{N:/datagram%s with invalid header received}\n");
639	p(ifs6_in_toobig, "\t{:dropped-mtu-exceeded/%ju} "
640	    "{N:/datagram%s exceeded MTU received}\n");
641	p(ifs6_in_noroute, "\t{:dropped-no-route/%ju} "
642	    "{N:/datagram%s with no route received}\n");
643	p(ifs6_in_addrerr, "\t{:dropped-invalid-destination/%ju} "
644	    "{N:/datagram%s with invalid dst received}\n");
645	p(ifs6_in_protounknown, "\t{:dropped-unknown-protocol/%ju} "
646	    "{N:/datagram%s with unknown proto received}\n");
647	p(ifs6_in_truncated, "\t{:dropped-truncated/%ju} "
648	    "{N:/truncated datagram%s received}\n");
649	p(ifs6_in_discard, "\t{:dropped-discarded/%ju} "
650	    "{N:/input datagram%s discarded}\n");
651 	p(ifs6_in_deliver, "\t{:received-valid-packets/%ju} "
652	    "{N:/datagram%s delivered to an upper layer protocol}\n");
653	p(ifs6_out_forward, "\t{:sent-forwarded/%ju} "
654	    "{N:/datagram%s forwarded to this interface}\n");
655 	p(ifs6_out_request, "\t{:sent-packets/%ju} "
656	    "{N:/datagram%s sent from an upper layer protocol}\n");
657	p(ifs6_out_discard, "\t{:discard-packets/%ju} "
658	    "{N:/total discarded output datagram%s}\n");
659	p(ifs6_out_fragok, "\t{:discard-fragments/%ju} "
660	    "{N:/output datagram%s fragmented}\n");
661	p(ifs6_out_fragfail, "\t{:fragments-failed/%ju} "
662	    "{N:/output datagram%s failed on fragment}\n");
663	p(ifs6_out_fragcreat, "\t{:fragments-created/%ju} "
664	    "{N:/output datagram%s succeeded on fragment}\n");
665	p(ifs6_reass_reqd, "\t{:reassembly-required/%ju} "
666	    "{N:/incoming datagram%s fragmented}\n");
667	p(ifs6_reass_ok, "\t{:reassembled-packets/%ju} "
668	    "{N:/datagram%s reassembled}\n");
669	p(ifs6_reass_fail, "\t{:reassembly-failed/%ju} "
670	    "{N:/datagram%s failed on reassembly}\n");
671	p(ifs6_in_mcast, "\t{:received-multicast/%ju} "
672	    "{N:/multicast datagram%s received}\n");
673	p(ifs6_out_mcast, "\t{:sent-multicast/%ju} "
674	    "{N:/multicast datagram%s sent}\n");
675
676 end:
677	xo_close_instance("ip6-interface-statistics");
678 	close(s);
679
680#undef p
681}
682
683static	const char *icmp6names[] = {
684	"#0",
685	"unreach",
686	"packet too big",
687	"time exceed",
688	"parameter problem",
689	"#5",
690	"#6",
691	"#7",
692	"#8",
693	"#9",
694	"#10",
695	"#11",
696	"#12",
697	"#13",
698	"#14",
699	"#15",
700	"#16",
701	"#17",
702	"#18",
703	"#19",
704	"#20",
705	"#21",
706	"#22",
707	"#23",
708	"#24",
709	"#25",
710	"#26",
711	"#27",
712	"#28",
713	"#29",
714	"#30",
715	"#31",
716	"#32",
717	"#33",
718	"#34",
719	"#35",
720	"#36",
721	"#37",
722	"#38",
723	"#39",
724	"#40",
725	"#41",
726	"#42",
727	"#43",
728	"#44",
729	"#45",
730	"#46",
731	"#47",
732	"#48",
733	"#49",
734	"#50",
735	"#51",
736	"#52",
737	"#53",
738	"#54",
739	"#55",
740	"#56",
741	"#57",
742	"#58",
743	"#59",
744	"#60",
745	"#61",
746	"#62",
747	"#63",
748	"#64",
749	"#65",
750	"#66",
751	"#67",
752	"#68",
753	"#69",
754	"#70",
755	"#71",
756	"#72",
757	"#73",
758	"#74",
759	"#75",
760	"#76",
761	"#77",
762	"#78",
763	"#79",
764	"#80",
765	"#81",
766	"#82",
767	"#83",
768	"#84",
769	"#85",
770	"#86",
771	"#87",
772	"#88",
773	"#89",
774	"#80",
775	"#91",
776	"#92",
777	"#93",
778	"#94",
779	"#95",
780	"#96",
781	"#97",
782	"#98",
783	"#99",
784	"#100",
785	"#101",
786	"#102",
787	"#103",
788	"#104",
789	"#105",
790	"#106",
791	"#107",
792	"#108",
793	"#109",
794	"#110",
795	"#111",
796	"#112",
797	"#113",
798	"#114",
799	"#115",
800	"#116",
801	"#117",
802	"#118",
803	"#119",
804	"#120",
805	"#121",
806	"#122",
807	"#123",
808	"#124",
809	"#125",
810	"#126",
811	"#127",
812	"echo",
813	"echo reply",
814	"multicast listener query",
815	"MLDv1 listener report",
816	"MLDv1 listener done",
817	"router solicitation",
818	"router advertisement",
819	"neighbor solicitation",
820	"neighbor advertisement",
821	"redirect",
822	"router renumbering",
823	"node information request",
824	"node information reply",
825	"inverse neighbor solicitation",
826	"inverse neighbor advertisement",
827	"MLDv2 listener report",
828	"#144",
829	"#145",
830	"#146",
831	"#147",
832	"#148",
833	"#149",
834	"#150",
835	"#151",
836	"#152",
837	"#153",
838	"#154",
839	"#155",
840	"#156",
841	"#157",
842	"#158",
843	"#159",
844	"#160",
845	"#161",
846	"#162",
847	"#163",
848	"#164",
849	"#165",
850	"#166",
851	"#167",
852	"#168",
853	"#169",
854	"#170",
855	"#171",
856	"#172",
857	"#173",
858	"#174",
859	"#175",
860	"#176",
861	"#177",
862	"#178",
863	"#179",
864	"#180",
865	"#181",
866	"#182",
867	"#183",
868	"#184",
869	"#185",
870	"#186",
871	"#187",
872	"#188",
873	"#189",
874	"#180",
875	"#191",
876	"#192",
877	"#193",
878	"#194",
879	"#195",
880	"#196",
881	"#197",
882	"#198",
883	"#199",
884	"#200",
885	"#201",
886	"#202",
887	"#203",
888	"#204",
889	"#205",
890	"#206",
891	"#207",
892	"#208",
893	"#209",
894	"#210",
895	"#211",
896	"#212",
897	"#213",
898	"#214",
899	"#215",
900	"#216",
901	"#217",
902	"#218",
903	"#219",
904	"#220",
905	"#221",
906	"#222",
907	"#223",
908	"#224",
909	"#225",
910	"#226",
911	"#227",
912	"#228",
913	"#229",
914	"#230",
915	"#231",
916	"#232",
917	"#233",
918	"#234",
919	"#235",
920	"#236",
921	"#237",
922	"#238",
923	"#239",
924	"#240",
925	"#241",
926	"#242",
927	"#243",
928	"#244",
929	"#245",
930	"#246",
931	"#247",
932	"#248",
933	"#249",
934	"#250",
935	"#251",
936	"#252",
937	"#253",
938	"#254",
939	"#255",
940};
941
942/*
943 * Dump ICMP6 statistics.
944 */
945void
946icmp6_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
947{
948	struct icmp6stat icmp6stat;
949	int i, first;
950
951	if (fetch_stats("net.inet6.icmp6.stats", off, &icmp6stat,
952	    sizeof(icmp6stat), kread_counters) != 0)
953		return;
954
955	xo_emit("{T:/%s}:\n", name);
956	xo_open_container(name);
957
958#define	p(f, m) if (icmp6stat.f || sflag <= 1) \
959	xo_emit(m, (uintmax_t)icmp6stat.f, plural(icmp6stat.f))
960#define	p_5(f, m) if (icmp6stat.f || sflag <= 1) \
961	xo_emit(m, (uintmax_t)icmp6stat.f)
962
963	p(icp6s_error, "\t{:icmp6-calls/%ju} "
964	    "{N:/call%s to icmp6_error}\n");
965	p(icp6s_canterror, "\t{:errors-not-generated-from-message/%ju} "
966	    "{N:/error%s not generated in response to an icmp6 message}\n");
967	p(icp6s_toofreq, "\t{:errors-discarded-by-rate-limitation/%ju} "
968	    "{N:/error%s not generated because of rate limitation}\n");
969#define	NELEM (int)(sizeof(icmp6stat.icp6s_outhist)/sizeof(icmp6stat.icp6s_outhist[0]))
970	for (first = 1, i = 0; i < NELEM; i++)
971		if (icmp6stat.icp6s_outhist[i] != 0) {
972			if (first) {
973				xo_open_list("output-histogram");
974				xo_emit("\t{T:Output histogram}:\n");
975				first = 0;
976			}
977			xo_open_instance("output-histogram");
978			xo_emit("\t\t{k:name/%s}: {:count/%ju}\n",
979			    icmp6names[i],
980			    (uintmax_t)icmp6stat.icp6s_outhist[i]);
981			xo_close_instance("output-histogram");
982		}
983	if (!first)
984		xo_close_list("output-histogram");
985#undef NELEM
986
987	p(icp6s_badcode, "\t{:dropped-bad-code/%ju} "
988	    "{N:/message%s with bad code fields}\n");
989	p(icp6s_tooshort, "\t{:dropped-too-short/%ju} "
990	    "{N:/message%s < minimum length}\n");
991	p(icp6s_checksum, "\t{:dropped-bad-checksum/%ju} "
992	    "{N:/bad checksum%s}\n");
993	p(icp6s_badlen, "\t{:dropped-bad-length/%ju} "
994	    "{N:/message%s with bad length}\n");
995#define	NELEM (int)(sizeof(icmp6stat.icp6s_inhist)/sizeof(icmp6stat.icp6s_inhist[0]))
996	for (first = 1, i = 0; i < NELEM; i++)
997		if (icmp6stat.icp6s_inhist[i] != 0) {
998			if (first) {
999				xo_open_list("input-histogram");
1000				xo_emit("\t{T:Input histogram}:\n");
1001				first = 0;
1002			}
1003			xo_open_instance("input-histogram");
1004			xo_emit("\t\t{k:name/%s}: {:count/%ju}\n",
1005			    icmp6names[i],
1006			    (uintmax_t)icmp6stat.icp6s_inhist[i]);
1007			xo_close_instance("input-histogram");
1008		}
1009	if (!first)
1010		xo_close_list("input-histogram");
1011#undef NELEM
1012	xo_emit("\t{T:Histogram of error messages to be generated}:\n");
1013	xo_open_container("errors");
1014	p_5(icp6s_odst_unreach_noroute, "\t\t{:no-route/%ju} "
1015	    "{N:/no route}\n");
1016	p_5(icp6s_odst_unreach_admin, "\t\t{:admin-prohibited/%ju} "
1017	    "{N:/administratively prohibited}\n");
1018	p_5(icp6s_odst_unreach_beyondscope, "\t\t{:beyond-scope/%ju} "
1019	    "{N:/beyond scope}\n");
1020	p_5(icp6s_odst_unreach_addr, "\t\t{:address-unreachable/%ju} "
1021	    "{N:/address unreachable}\n");
1022	p_5(icp6s_odst_unreach_noport, "\t\t{:port-unreachable/%ju} "
1023	    "{N:/port unreachable}\n");
1024	p_5(icp6s_opacket_too_big, "\t\t{:packet-too-big/%ju} "
1025	    "{N:/packet too big}\n");
1026	p_5(icp6s_otime_exceed_transit, "\t\t{:time-exceed-transmit/%ju} "
1027	    "{N:/time exceed transit}\n");
1028	p_5(icp6s_otime_exceed_reassembly, "\t\t{:time-exceed-reassembly/%ju} "
1029	    "{N:/time exceed reassembly}\n");
1030	p_5(icp6s_oparamprob_header, "\t\t{:bad-header/%ju} "
1031	    "{N:/erroneous header field}\n");
1032	p_5(icp6s_oparamprob_nextheader, "\t\t{:bad-next-header/%ju} "
1033	    "{N:/unrecognized next header}\n");
1034	p_5(icp6s_oparamprob_option, "\t\t{:bad-option/%ju} "
1035	    "{N:/unrecognized option}\n");
1036	p_5(icp6s_oredirect, "\t\t{:redirects/%ju} "
1037	    "{N:/redirect}\n");
1038	p_5(icp6s_ounknown, "\t\t{:unknown/%ju} {N:unknown}\n");
1039
1040	p(icp6s_reflect, "\t{:reflect/%ju} "
1041	    "{N:/message response%s generated}\n");
1042	p(icp6s_nd_toomanyopt, "\t{:too-many-nd-options/%ju} "
1043	    "{N:/message%s with too many ND options}\n");
1044	p(icp6s_nd_badopt, "\t{:bad-nd-options/%ju} "
1045	    "{N:/message%s with bad ND options}\n");
1046	p(icp6s_badns, "\t{:bad-neighbor-solicitation/%ju} "
1047	    "{N:/bad neighbor solicitation message%s}\n");
1048	p(icp6s_badna, "\t{:bad-neighbor-advertisement/%ju} "
1049	    "{N:/bad neighbor advertisement message%s}\n");
1050	p(icp6s_badrs, "\t{:bad-router-solicitation/%ju} "
1051	    "{N:/bad router solicitation message%s}\n");
1052	p(icp6s_badra, "\t{:bad-router-advertisement/%ju} "
1053	    "{N:/bad router advertisement message%s}\n");
1054	p(icp6s_badredirect, "\t{:bad-redirect/%ju} "
1055	    "{N:/bad redirect message%s}\n");
1056	xo_close_container("errors");
1057	p(icp6s_pmtuchg, "\t{:path-mtu-changes/%ju} {N:/path MTU change%s}\n");
1058#undef p
1059#undef p_5
1060	xo_close_container(name);
1061}
1062
1063/*
1064 * Dump ICMPv6 per-interface statistics based on RFC 2466.
1065 */
1066void
1067icmp6_ifstats(char *ifname)
1068{
1069	struct in6_ifreq ifr;
1070	int s;
1071
1072#define	p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1)	\
1073	xo_emit(m, (uintmax_t)ifr.ifr_ifru.ifru_icmp6stat.f,		\
1074	    plural(ifr.ifr_ifru.ifru_icmp6stat.f))
1075#define	p2(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1)	\
1076	xo_emit(m, (uintmax_t)ifr.ifr_ifru.ifru_icmp6stat.f,		\
1077	    pluralies(ifr.ifr_ifru.ifru_icmp6stat.f))
1078
1079	if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
1080		xo_warn("Warning: socket(AF_INET6)");
1081		return;
1082	}
1083
1084	strcpy(ifr.ifr_name, ifname);
1085	if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) {
1086		if (errno != EPFNOSUPPORT)
1087			xo_warn("Warning: ioctl(SIOCGIFSTAT_ICMP6)");
1088		goto end;
1089	}
1090
1091	xo_emit("{T:/icmp6 on %s}:\n", ifr.ifr_name);
1092
1093	xo_open_instance("icmp6-interface-statistics");
1094	xo_emit("{ke:name/%s}", ifr.ifr_name);
1095	p(ifs6_in_msg, "\t{:received-packets/%ju} "
1096	    "{N:/total input message%s}\n");
1097	p(ifs6_in_error, "\t{:received-errors/%ju} "
1098	    "{N:/total input error message%s}\n");
1099	p(ifs6_in_dstunreach, "\t{:received-destination-unreachable/%ju} "
1100	    "{N:/input destination unreachable error%s}\n");
1101	p(ifs6_in_adminprohib, "\t{:received-admin-prohibited/%ju} "
1102	    "{N:/input administratively prohibited error%s}\n");
1103	p(ifs6_in_timeexceed, "\t{:received-time-exceeded/%ju} "
1104	    "{N:/input time exceeded error%s}\n");
1105	p(ifs6_in_paramprob, "\t{:received-bad-parameter/%ju} "
1106	    "{N:/input parameter problem error%s}\n");
1107	p(ifs6_in_pkttoobig, "\t{:received-packet-too-big/%ju} "
1108	    "{N:/input packet too big error%s}\n");
1109	p(ifs6_in_echo, "\t{:received-echo-requests/%ju} "
1110	    "{N:/input echo request%s}\n");
1111	p2(ifs6_in_echoreply, "\t{:received-echo-replies/%ju} "
1112	    "{N:/input echo repl%s}\n");
1113	p(ifs6_in_routersolicit, "\t{:received-router-solicitation/%ju} "
1114	    "{N:/input router solicitation%s}\n");
1115	p(ifs6_in_routeradvert, "\t{:received-router-advertisement/%ju} "
1116	    "{N:/input router advertisement%s}\n");
1117	p(ifs6_in_neighborsolicit, "\t{:received-neighbor-solicitation/%ju} "
1118	    "{N:/input neighbor solicitation%s}\n");
1119	p(ifs6_in_neighboradvert, "\t{:received-neighbor-advertisement/%ju} "
1120	    "{N:/input neighbor advertisement%s}\n");
1121	p(ifs6_in_redirect, "\t{received-redirects/%ju} "
1122	    "{N:/input redirect%s}\n");
1123	p2(ifs6_in_mldquery, "\t{:received-mld-queries/%ju} "
1124	    "{N:/input MLD quer%s}\n");
1125	p(ifs6_in_mldreport, "\t{:received-mld-reports/%ju} "
1126	    "{N:/input MLD report%s}\n");
1127	p(ifs6_in_mlddone, "\t{:received-mld-done/%ju} "
1128	    "{N:/input MLD done%s}\n");
1129
1130	p(ifs6_out_msg, "\t{:sent-packets/%ju} "
1131	    "{N:/total output message%s}\n");
1132	p(ifs6_out_error, "\t{:sent-errors/%ju} "
1133	    "{N:/total output error message%s}\n");
1134	p(ifs6_out_dstunreach, "\t{:sent-destination-unreachable/%ju} "
1135	    "{N:/output destination unreachable error%s}\n");
1136	p(ifs6_out_adminprohib, "\t{:sent-admin-prohibited/%ju} "
1137	    "{N:/output administratively prohibited error%s}\n");
1138	p(ifs6_out_timeexceed, "\t{:sent-time-exceeded/%ju} "
1139	    "{N:/output time exceeded error%s}\n");
1140	p(ifs6_out_paramprob, "\t{:sent-bad-parameter/%ju} "
1141	    "{N:/output parameter problem error%s}\n");
1142	p(ifs6_out_pkttoobig, "\t{:sent-packet-too-big/%ju} "
1143	    "{N:/output packet too big error%s}\n");
1144	p(ifs6_out_echo, "\t{:sent-echo-requests/%ju} "
1145	    "{N:/output echo request%s}\n");
1146	p2(ifs6_out_echoreply, "\t{:sent-echo-replies/%ju} "
1147	    "{N:/output echo repl%s}\n");
1148	p(ifs6_out_routersolicit, "\t{:sent-router-solicitation/%ju} "
1149	    "{N:/output router solicitation%s}\n");
1150	p(ifs6_out_routeradvert, "\t{:sent-router-advertisement/%ju} "
1151	    "{N:/output router advertisement%s}\n");
1152	p(ifs6_out_neighborsolicit, "\t{:sent-neighbor-solicitation/%ju} "
1153	    "{N:/output neighbor solicitation%s}\n");
1154	p(ifs6_out_neighboradvert, "\t{:sent-neighbor-advertisement/%ju} "
1155	    "{N:/output neighbor advertisement%s}\n");
1156	p(ifs6_out_redirect, "\t{:sent-redirects/%ju} "
1157	    "{N:/output redirect%s}\n");
1158	p2(ifs6_out_mldquery, "\t{:sent-mld-queries/%ju} "
1159	    "{N:/output MLD quer%s}\n");
1160	p(ifs6_out_mldreport, "\t{:sent-mld-reports/%ju} "
1161	    "{N:/output MLD report%s}\n");
1162	p(ifs6_out_mlddone, "\t{:sent-mld-dones/%ju} "
1163	    "{N:/output MLD done%s}\n");
1164
1165end:
1166	xo_close_instance("icmp6-interface-statistics");
1167	close(s);
1168#undef p
1169}
1170
1171/*
1172 * Dump PIM statistics structure.
1173 */
1174void
1175pim6_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
1176{
1177	struct pim6stat pim6stat;
1178
1179	if (fetch_stats("net.inet6.pim.stats", off, &pim6stat,
1180	    sizeof(pim6stat), kread) != 0)
1181		return;
1182
1183	xo_emit("{T:/%s}:\n", name);
1184	xo_open_container(name);
1185
1186#define	p(f, m) if (pim6stat.f || sflag <= 1) \
1187	xo_emit(m, (uintmax_t)pim6stat.f, plural(pim6stat.f))
1188
1189	p(pim6s_rcv_total, "\t{:received-packets/%ju} "
1190	    "{N:/message%s received}\n");
1191	p(pim6s_rcv_tooshort, "\t{:dropped-too-short/%ju} "
1192	    "{N:/message%s received with too few bytes}\n");
1193	p(pim6s_rcv_badsum, "\t{:dropped-bad-checksum/%ju} "
1194	    "{N:/message%s received with bad checksum}\n");
1195	p(pim6s_rcv_badversion, "\t{:dropped-bad-version/%ju} "
1196	    "{N:/message%s received with bad version}\n");
1197	p(pim6s_rcv_registers, "\t{:received-registers/%ju} "
1198	    "{N:/register%s received}\n");
1199	p(pim6s_rcv_badregisters, "\t{:received-bad-registers/%ju} "
1200	    "{N:/bad register%s received}\n");
1201	p(pim6s_snd_registers, "\t{:sent-registers/%ju} "
1202	    "{N:/register%s sent}\n");
1203#undef p
1204	xo_close_container(name);
1205}
1206
1207/*
1208 * Dump raw ip6 statistics structure.
1209 */
1210void
1211rip6_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
1212{
1213	struct rip6stat rip6stat;
1214	u_quad_t delivered;
1215
1216	if (fetch_stats("net.inet6.ip6.rip6stats", off, &rip6stat,
1217	    sizeof(rip6stat), kread_counters) != 0)
1218		return;
1219
1220	xo_emit("{T:/%s}:\n", name);
1221	xo_open_container(name);
1222
1223#define	p(f, m) if (rip6stat.f || sflag <= 1) \
1224	xo_emit(m, (uintmax_t)rip6stat.f, plural(rip6stat.f))
1225
1226	p(rip6s_ipackets, "\t{:received-packets/%ju} "
1227	    "{N:/message%s received}\n");
1228	p(rip6s_isum, "\t{:input-checksum-computation/%ju} "
1229	    "{N:/checksum calculation%s on inbound}\n");
1230	p(rip6s_badsum, "\t{:received-bad-checksum/%ju} "
1231	    "{N:/message%s with bad checksum}\n");
1232	p(rip6s_nosock, "\t{:dropped-no-socket/%ju} "
1233	    "{N:/message%s dropped due to no socket}\n");
1234	p(rip6s_nosockmcast, "\t{:dropped-multicast-no-socket/%ju} "
1235	    "{N:/multicast message%s dropped due to no socket}\n");
1236	p(rip6s_fullsock, "\t{:dropped-full-socket-buffer/%ju} "
1237	    "{N:/message%s dropped due to full socket buffers}\n");
1238	delivered = rip6stat.rip6s_ipackets -
1239		    rip6stat.rip6s_badsum -
1240		    rip6stat.rip6s_nosock -
1241		    rip6stat.rip6s_nosockmcast -
1242		    rip6stat.rip6s_fullsock;
1243	if (delivered || sflag <= 1)
1244		xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n",
1245		    (uintmax_t)delivered);
1246	p(rip6s_opackets, "\t{:sent-packets/%ju} "
1247	    "{N:/datagram%s output}\n");
1248#undef p
1249	xo_close_container(name);
1250}
1251
1252/*
1253 * Pretty print an Internet address (net address + port).
1254 * Take numeric_addr and numeric_port into consideration.
1255 */
1256#define	GETSERVBYPORT6(port, proto, ret)\
1257{\
1258	if (strcmp((proto), "tcp6") == 0)\
1259		(ret) = getservbyport((int)(port), "tcp");\
1260	else if (strcmp((proto), "udp6") == 0)\
1261		(ret) = getservbyport((int)(port), "udp");\
1262	else\
1263		(ret) = getservbyport((int)(port), (proto));\
1264};
1265
1266void
1267inet6print(const char *container, struct in6_addr *in6, int port,
1268    const char *proto, int numeric)
1269{
1270	struct servent *sp = 0;
1271	char line[80], *cp;
1272	int width;
1273
1274	if (container)
1275		xo_open_container(container);
1276
1277	sprintf(line, "%.*s.", Wflag ? 39 : (Aflag && !numeric) ? 12 : 16,
1278	    inet6name(in6));
1279	cp = strchr(line, '\0');
1280	if (!numeric && port)
1281		GETSERVBYPORT6(port, proto, sp);
1282	if (sp || port == 0)
1283		sprintf(cp, "%.15s", sp ? sp->s_name : "*");
1284	else
1285		sprintf(cp, "%d", ntohs((u_short)port));
1286	width = Wflag ? 45 : Aflag ? 18 : 22;
1287
1288	xo_emit("{d:target/%-*.*s} ", width, width, line);
1289
1290	int alen = cp - line - 1, plen = strlen(cp) - 1;
1291	xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen,
1292	    plen, cp);
1293
1294	if (container)
1295		xo_close_container(container);
1296}
1297
1298/*
1299 * Construct an Internet address representation.
1300 * If the numeric_addr has been supplied, give
1301 * numeric value, otherwise try for symbolic name.
1302 */
1303
1304char *
1305inet6name(struct in6_addr *in6p)
1306{
1307	struct sockaddr_in6 sin6;
1308	char hbuf[NI_MAXHOST], *cp;
1309	static char line[50];
1310	static char domain[MAXHOSTNAMELEN];
1311	static int first = 1;
1312	int flags, error;
1313
1314	if (IN6_IS_ADDR_UNSPECIFIED(in6p)) {
1315		strcpy(line, "*");
1316		return (line);
1317	}
1318	if (first && !numeric_addr) {
1319		first = 0;
1320		if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
1321		    (cp = strchr(domain, '.')))
1322			(void) strcpy(domain, cp + 1);
1323		else
1324			domain[0] = 0;
1325	}
1326	memset(&sin6, 0, sizeof(sin6));
1327	memcpy(&sin6.sin6_addr, in6p, sizeof(*in6p));
1328	sin6.sin6_family = AF_INET6;
1329	/* XXX: in6p.s6_addr[2] can contain scopeid. */
1330	in6_fillscopeid(&sin6);
1331	flags = (numeric_addr) ? NI_NUMERICHOST : 0;
1332	error = getnameinfo((struct sockaddr *)&sin6, sizeof(sin6), hbuf,
1333	    sizeof(hbuf), NULL, 0, flags);
1334	if (error == 0) {
1335		if ((flags & NI_NUMERICHOST) == 0 &&
1336		    (cp = strchr(hbuf, '.')) &&
1337		    !strcmp(cp + 1, domain))
1338			*cp = 0;
1339		strcpy(line, hbuf);
1340	} else {
1341		/* XXX: this should not happen. */
1342		sprintf(line, "%s",
1343			inet_ntop(AF_INET6, (void *)&sin6.sin6_addr, ntop_buf,
1344				sizeof(ntop_buf)));
1345	}
1346	return (line);
1347}
1348#endif /*INET6*/
1349