Annotation of src/usr.bin/netstat/inet6.c, Revision 1.56
1.56 ! bluhm 1: /* $OpenBSD: inet6.c,v 1.55 2021/01/26 18:22:35 deraadt Exp $ */
1.1 itojun 2: /* BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp */
3: /*
4: * Copyright (c) 1983, 1988, 1993
5: * The Regents of the University of California. All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
1.29 millert 15: * 3. Neither the name of the University nor the names of its contributors
1.1 itojun 16: * may be used to endorse or promote products derived from this software
17: * without specific prior written permission.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: * SUCH DAMAGE.
30: */
31:
1.47 deraadt 32: #include <sys/types.h>
1.1 itojun 33: #include <sys/socket.h>
34: #include <sys/socketvar.h>
35: #include <sys/ioctl.h>
36: #include <sys/protosw.h>
1.35 deraadt 37: #include <sys/sysctl.h>
1.1 itojun 38:
39: #include <net/route.h>
40: #include <net/if.h>
41: #include <netinet/in.h>
42: #include <netinet/ip6.h>
43: #include <netinet/icmp6.h>
44: #include <netinet/ip.h>
45: #include <netinet/ip_var.h>
1.5 itojun 46: #include <netinet6/ip6_var.h>
1.1 itojun 47: #include <netinet6/in6_var.h>
1.21 itojun 48: #include <netinet6/raw_ip6.h>
1.40 michele 49: #include <netinet6/ip6_divert.h>
1.1 itojun 50:
51: #include <arpa/inet.h>
52: #include <netdb.h>
53:
1.37 chl 54: #include <err.h>
55: #include <errno.h>
1.1 itojun 56: #include <stdio.h>
57: #include <string.h>
58: #include <unistd.h>
1.47 deraadt 59: #include <limits.h>
1.1 itojun 60: #include "netstat.h"
61:
1.18 millert 62: char *inet6name(struct in6_addr *);
1.1 itojun 63:
64: static char *ip6nh[] = {
65: "hop by hop",
66: "ICMP",
67: "IGMP",
68: "#3",
69: "IP",
70: "#5",
71: "TCP",
72: "#7",
73: "#8",
74: "#9",
75: "#10",
76: "#11",
77: "#12",
78: "#13",
79: "#14",
80: "#15",
81: "#16",
82: "UDP",
83: "#18",
1.17 mickey 84: "#19",
1.1 itojun 85: "#20",
86: "#21",
87: "IDP",
88: "#23",
89: "#24",
90: "#25",
91: "#26",
92: "#27",
93: "#28",
1.17 mickey 94: "TP",
1.1 itojun 95: "#30",
96: "#31",
97: "#32",
98: "#33",
99: "#34",
100: "#35",
101: "#36",
102: "#37",
103: "#38",
1.17 mickey 104: "#39",
1.1 itojun 105: "#40",
106: "IP6",
107: "#42",
108: "routing",
109: "fragment",
110: "#45",
111: "#46",
112: "#47",
113: "#48",
1.17 mickey 114: "#49",
1.1 itojun 115: "ESP",
116: "AH",
117: "#52",
118: "#53",
119: "#54",
120: "#55",
121: "#56",
122: "#57",
123: "ICMP6",
1.17 mickey 124: "no next header",
1.1 itojun 125: "destination option",
126: "#61",
127: "#62",
128: "#63",
129: "#64",
130: "#65",
131: "#66",
132: "#67",
133: "#68",
1.17 mickey 134: "#69",
1.1 itojun 135: "#70",
136: "#71",
137: "#72",
138: "#73",
139: "#74",
140: "#75",
141: "#76",
142: "#77",
143: "#78",
1.17 mickey 144: "#79",
1.1 itojun 145: "ISOIP",
146: "#81",
147: "#82",
148: "#83",
149: "#84",
150: "#85",
151: "#86",
152: "#87",
153: "#88",
1.17 mickey 154: "OSPF",
1.1 itojun 155: "#80",
156: "#91",
157: "#92",
158: "#93",
159: "#94",
160: "#95",
161: "#96",
162: "Ethernet",
163: "#98",
1.17 mickey 164: "#99",
1.1 itojun 165: "#100",
166: "#101",
167: "#102",
1.51 rzalamen 168: "#103",
1.1 itojun 169: "#104",
170: "#105",
171: "#106",
172: "#107",
173: "#108",
1.17 mickey 174: "#109",
1.1 itojun 175: "#110",
176: "#111",
177: "#112",
178: "#113",
179: "#114",
180: "#115",
181: "#116",
182: "#117",
183: "#118",
1.17 mickey 184: "#119",
1.1 itojun 185: "#120",
186: "#121",
187: "#122",
188: "#123",
189: "#124",
190: "#125",
191: "#126",
192: "#127",
193: "#128",
1.17 mickey 194: "#129",
1.1 itojun 195: "#130",
196: "#131",
197: "#132",
198: "#133",
199: "#134",
200: "#135",
201: "#136",
202: "#137",
203: "#138",
1.17 mickey 204: "#139",
1.1 itojun 205: "#140",
206: "#141",
207: "#142",
208: "#143",
209: "#144",
210: "#145",
211: "#146",
212: "#147",
213: "#148",
1.17 mickey 214: "#149",
1.1 itojun 215: "#150",
216: "#151",
217: "#152",
218: "#153",
219: "#154",
220: "#155",
221: "#156",
222: "#157",
223: "#158",
1.17 mickey 224: "#159",
1.1 itojun 225: "#160",
226: "#161",
227: "#162",
228: "#163",
229: "#164",
230: "#165",
231: "#166",
232: "#167",
233: "#168",
1.17 mickey 234: "#169",
1.1 itojun 235: "#170",
236: "#171",
237: "#172",
238: "#173",
239: "#174",
240: "#175",
241: "#176",
242: "#177",
243: "#178",
1.17 mickey 244: "#179",
1.1 itojun 245: "#180",
246: "#181",
247: "#182",
248: "#183",
249: "#184",
250: "#185",
251: "#186",
252: "#187",
253: "#188",
1.17 mickey 254: "#189",
1.1 itojun 255: "#180",
256: "#191",
257: "#192",
258: "#193",
259: "#194",
260: "#195",
261: "#196",
262: "#197",
263: "#198",
1.17 mickey 264: "#199",
1.1 itojun 265: "#200",
266: "#201",
267: "#202",
268: "#203",
269: "#204",
270: "#205",
271: "#206",
272: "#207",
273: "#208",
1.17 mickey 274: "#209",
1.1 itojun 275: "#210",
276: "#211",
277: "#212",
278: "#213",
279: "#214",
280: "#215",
281: "#216",
282: "#217",
283: "#218",
1.17 mickey 284: "#219",
1.1 itojun 285: "#220",
286: "#221",
287: "#222",
288: "#223",
289: "#224",
290: "#225",
291: "#226",
292: "#227",
293: "#228",
1.17 mickey 294: "#229",
1.1 itojun 295: "#230",
296: "#231",
297: "#232",
298: "#233",
299: "#234",
300: "#235",
301: "#236",
302: "#237",
303: "#238",
1.17 mickey 304: "#239",
1.1 itojun 305: "#240",
306: "#241",
307: "#242",
308: "#243",
309: "#244",
310: "#245",
311: "#246",
312: "#247",
313: "#248",
1.17 mickey 314: "#249",
1.1 itojun 315: "#250",
316: "#251",
317: "#252",
318: "#253",
319: "#254",
320: "#255",
321: };
322:
323: /*
324: * Dump IP6 statistics structure.
325: */
326: void
1.35 deraadt 327: ip6_stats(char *name)
1.1 itojun 328: {
329: struct ip6stat ip6stat;
330: int first, i;
1.14 itojun 331: struct protoent *ep;
332: const char *n;
1.45 guenther 333: int mib[] = { CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_STATS };
1.35 deraadt 334: size_t len = sizeof(ip6stat);
1.1 itojun 335:
1.35 deraadt 336: if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
337: &ip6stat, &len, NULL, 0) == -1) {
338: if (errno != ENOPROTOOPT)
1.44 guenther 339: warn("%s", name);
1.1 itojun 340: return;
1.35 deraadt 341: }
1.1 itojun 342:
343: printf("%s:\n", name);
344: #define p(f, m) if (ip6stat.f || sflag <= 1) \
1.20 deraadt 345: printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f))
1.1 itojun 346: #define p1(f, m) if (ip6stat.f || sflag <= 1) \
1.20 deraadt 347: printf(m, (unsigned long long)ip6stat.f)
1.1 itojun 348:
1.14 itojun 349: p(ip6s_total, "\t%llu total packet%s received\n");
350: p1(ip6s_toosmall, "\t%llu with size smaller than minimum\n");
351: p1(ip6s_tooshort, "\t%llu with data size < data length\n");
352: p1(ip6s_badoptions, "\t%llu with bad options\n");
353: p1(ip6s_badvers, "\t%llu with incorrect version number\n");
354: p(ip6s_fragments, "\t%llu fragment%s received\n");
355: p(ip6s_fragdropped,
1.23 jsyn 356: "\t%llu fragment%s dropped (duplicates or out of space)\n");
1.14 itojun 357: p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n");
358: p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n");
359: p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n");
360: p(ip6s_delivered, "\t%llu packet%s for this host\n");
361: p(ip6s_forward, "\t%llu packet%s forwarded\n");
362: p(ip6s_cantforward, "\t%llu packet%s not forwardable\n");
363: p(ip6s_redirectsent, "\t%llu redirect%s sent\n");
364: p(ip6s_localout, "\t%llu packet%s sent from this host\n");
365: p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n");
366: p(ip6s_odropped,
367: "\t%llu output packet%s dropped due to no bufs, etc.\n");
368: p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n");
369: p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n");
370: p(ip6s_ofragments, "\t%llu fragment%s created\n");
371: p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n");
372: p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n");
373: p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n");
1.54 sashan 374: p(ip6s_wrongif, "\t%llu packet%s received on wrong interface\n");
1.39 tedu 375: for (first = 1, i = 0; i < 256; i++)
1.1 itojun 376: if (ip6stat.ip6s_nxthist[i] != 0) {
1.39 tedu 377: if (first) {
378: printf("\tInput packet histogram:\n");
379: first = 0;
380: }
1.14 itojun 381: n = NULL;
382: if (ip6nh[i])
383: n = ip6nh[i];
384: else if ((ep = getprotobynumber(i)) != NULL)
385: n = ep->p_name;
386: if (n)
1.39 tedu 387: printf("\t\t%s: %llu\n", n,
388: (unsigned long long)ip6stat.ip6s_nxthist[i]);
1.14 itojun 389: else
1.39 tedu 390: printf("\t\t#%d: %llu\n", i,
391: (unsigned long long)ip6stat.ip6s_nxthist[i]);
1.1 itojun 392: }
1.10 itojun 393: printf("\tMbuf statistics:\n");
1.14 itojun 394: p(ip6s_m1, "\t\t%llu one mbuf%s\n");
1.1 itojun 395: for (first = 1, i = 0; i < 32; i++) {
396: char ifbuf[IFNAMSIZ];
1.17 mickey 397: if (ip6stat.ip6s_m2m[i] != 0) {
1.1 itojun 398: if (first) {
1.39 tedu 399: printf("\t\ttwo or more mbuf:\n");
1.1 itojun 400: first = 0;
401: }
1.14 itojun 402: printf("\t\t\t%s = %llu\n",
1.20 deraadt 403: if_indextoname(i, ifbuf),
404: (unsigned long long)ip6stat.ip6s_m2m[i]);
1.1 itojun 405: }
406: }
1.14 itojun 407: p(ip6s_mext1, "\t\t%llu one ext mbuf%s\n");
408: p(ip6s_mext2m, "\t\t%llu two or more ext mbuf%s\n");
409: p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n");
410: p(ip6s_toomanyhdr,
411: "\t%llu packet%s discarded due to too many headers\n");
1.5 itojun 412:
413: /* for debugging source address selection */
414: #define PRINT_SCOPESTAT(s,i) do {\
415: switch(i) { /* XXX hardcoding in each case */\
416: case 1:\
1.14 itojun 417: p(s, "\t\t%llu node-local%s\n");\
1.5 itojun 418: break;\
419: case 2:\
1.14 itojun 420: p(s, "\t\t%llu link-local%s\n");\
1.5 itojun 421: break;\
422: case 5:\
1.14 itojun 423: p(s, "\t\t%llu site-local%s\n");\
1.5 itojun 424: break;\
425: case 14:\
1.14 itojun 426: p(s, "\t\t%llu global%s\n");\
1.5 itojun 427: break;\
428: default:\
1.14 itojun 429: printf("\t\t%llu addresses scope=%x\n",\
1.20 deraadt 430: (unsigned long long)ip6stat.s, i);\
1.5 itojun 431: }\
432: } while(0);
433:
434: p(ip6s_sources_none,
1.20 deraadt 435: "\t%llu failure%s of source address selection\n");
1.5 itojun 436: for (first = 1, i = 0; i < 16; i++) {
437: if (ip6stat.ip6s_sources_sameif[i]) {
438: if (first) {
439: printf("\tsource addresses on an outgoing I/F\n");
440: first = 0;
441: }
442: PRINT_SCOPESTAT(ip6s_sources_sameif[i], i);
443: }
444: }
445: for (first = 1, i = 0; i < 16; i++) {
446: if (ip6stat.ip6s_sources_otherif[i]) {
447: if (first) {
448: printf("\tsource addresses on a non-outgoing I/F\n");
449: first = 0;
450: }
451: PRINT_SCOPESTAT(ip6s_sources_otherif[i], i);
452: }
453: }
454: for (first = 1, i = 0; i < 16; i++) {
455: if (ip6stat.ip6s_sources_samescope[i]) {
456: if (first) {
457: printf("\tsource addresses of same scope\n");
458: first = 0;
459: }
460: PRINT_SCOPESTAT(ip6s_sources_samescope[i], i);
461: }
462: }
463: for (first = 1, i = 0; i < 16; i++) {
464: if (ip6stat.ip6s_sources_otherscope[i]) {
465: if (first) {
466: printf("\tsource addresses of a different scope\n");
467: first = 0;
468: }
469: PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i);
470: }
471: }
472: for (first = 1, i = 0; i < 16; i++) {
473: if (ip6stat.ip6s_sources_deprecated[i]) {
474: if (first) {
475: printf("\tdeprecated source addresses\n");
476: first = 0;
477: }
478: PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i);
479: }
480: }
1.8 itojun 481:
482: p1(ip6s_forward_cachehit, "\t%llu forward cache hit\n");
483: p1(ip6s_forward_cachemiss, "\t%llu forward cache miss\n");
1.56 ! bluhm 484: p(ip6s_idropped,
! 485: "\t%llu input packet%s dropped due to no bufs, etc.\n");
1.1 itojun 486: #undef p
487: #undef p1
488: }
489:
490: static char *icmp6names[] = {
491: "#0",
492: "unreach",
493: "packet too big",
494: "time exceed",
495: "parameter problem",
496: "#5",
497: "#6",
498: "#7",
499: "#8",
500: "#9",
501: "#10",
502: "#11",
503: "#12",
504: "#13",
505: "#14",
506: "#15",
507: "#16",
508: "#17",
509: "#18",
1.17 mickey 510: "#19",
1.1 itojun 511: "#20",
512: "#21",
513: "#22",
514: "#23",
515: "#24",
516: "#25",
517: "#26",
518: "#27",
519: "#28",
1.17 mickey 520: "#29",
1.1 itojun 521: "#30",
522: "#31",
523: "#32",
524: "#33",
525: "#34",
526: "#35",
527: "#36",
528: "#37",
529: "#38",
1.17 mickey 530: "#39",
1.1 itojun 531: "#40",
532: "#41",
533: "#42",
534: "#43",
535: "#44",
536: "#45",
537: "#46",
538: "#47",
539: "#48",
1.17 mickey 540: "#49",
1.1 itojun 541: "#50",
542: "#51",
543: "#52",
544: "#53",
545: "#54",
546: "#55",
547: "#56",
548: "#57",
549: "#58",
1.17 mickey 550: "#59",
1.1 itojun 551: "#60",
552: "#61",
553: "#62",
554: "#63",
555: "#64",
556: "#65",
557: "#66",
558: "#67",
559: "#68",
1.17 mickey 560: "#69",
1.1 itojun 561: "#70",
562: "#71",
563: "#72",
564: "#73",
565: "#74",
566: "#75",
567: "#76",
568: "#77",
569: "#78",
1.17 mickey 570: "#79",
1.1 itojun 571: "#80",
572: "#81",
573: "#82",
574: "#83",
575: "#84",
576: "#85",
577: "#86",
578: "#87",
579: "#88",
1.17 mickey 580: "#89",
1.1 itojun 581: "#80",
582: "#91",
583: "#92",
584: "#93",
585: "#94",
586: "#95",
587: "#96",
588: "#97",
589: "#98",
1.17 mickey 590: "#99",
1.1 itojun 591: "#100",
592: "#101",
593: "#102",
594: "#103",
595: "#104",
596: "#105",
597: "#106",
598: "#107",
599: "#108",
1.17 mickey 600: "#109",
1.1 itojun 601: "#110",
602: "#111",
603: "#112",
604: "#113",
605: "#114",
606: "#115",
607: "#116",
608: "#117",
609: "#118",
1.17 mickey 610: "#119",
1.1 itojun 611: "#120",
612: "#121",
613: "#122",
614: "#123",
615: "#124",
616: "#125",
617: "#126",
618: "#127",
619: "echo",
1.17 mickey 620: "echo reply",
1.1 itojun 621: "multicast listener query",
622: "multicast listener report",
623: "multicast listener done",
624: "router solicitation",
1.15 itojun 625: "router advertisement",
1.1 itojun 626: "neighbor solicitation",
1.15 itojun 627: "neighbor advertisement",
1.1 itojun 628: "redirect",
629: "router renumbering",
630: "node information request",
631: "node information reply",
632: "#141",
633: "#142",
634: "#143",
635: "#144",
636: "#145",
637: "#146",
638: "#147",
639: "#148",
1.17 mickey 640: "#149",
1.1 itojun 641: "#150",
642: "#151",
643: "#152",
644: "#153",
645: "#154",
646: "#155",
647: "#156",
648: "#157",
649: "#158",
1.17 mickey 650: "#159",
1.1 itojun 651: "#160",
652: "#161",
653: "#162",
654: "#163",
655: "#164",
656: "#165",
657: "#166",
658: "#167",
659: "#168",
1.17 mickey 660: "#169",
1.1 itojun 661: "#170",
662: "#171",
663: "#172",
664: "#173",
665: "#174",
666: "#175",
667: "#176",
668: "#177",
669: "#178",
1.17 mickey 670: "#179",
1.1 itojun 671: "#180",
672: "#181",
673: "#182",
674: "#183",
675: "#184",
676: "#185",
677: "#186",
678: "#187",
679: "#188",
1.17 mickey 680: "#189",
1.1 itojun 681: "#180",
682: "#191",
683: "#192",
684: "#193",
685: "#194",
686: "#195",
687: "#196",
688: "#197",
689: "#198",
1.17 mickey 690: "#199",
1.1 itojun 691: "#200",
692: "#201",
693: "#202",
694: "#203",
695: "#204",
696: "#205",
697: "#206",
698: "#207",
699: "#208",
1.17 mickey 700: "#209",
1.1 itojun 701: "#210",
702: "#211",
703: "#212",
704: "#213",
705: "#214",
706: "#215",
707: "#216",
708: "#217",
709: "#218",
1.17 mickey 710: "#219",
1.1 itojun 711: "#220",
712: "#221",
713: "#222",
714: "#223",
715: "#224",
716: "#225",
717: "#226",
718: "#227",
719: "#228",
1.17 mickey 720: "#229",
1.1 itojun 721: "#230",
722: "#231",
723: "#232",
724: "#233",
725: "#234",
726: "#235",
727: "#236",
728: "#237",
729: "#238",
1.17 mickey 730: "#239",
1.1 itojun 731: "#240",
732: "#241",
733: "#242",
734: "#243",
735: "#244",
736: "#245",
737: "#246",
738: "#247",
739: "#248",
1.17 mickey 740: "#249",
1.1 itojun 741: "#250",
742: "#251",
743: "#252",
744: "#253",
745: "#254",
746: "#255",
747: };
748:
749: /*
750: * Dump ICMPv6 statistics.
751: */
752: void
1.35 deraadt 753: icmp6_stats(char *name)
1.1 itojun 754: {
755: struct icmp6stat icmp6stat;
1.39 tedu 756: int i, first;
1.45 guenther 757: int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_STATS };
1.35 deraadt 758: size_t len = sizeof(icmp6stat);
1.1 itojun 759:
1.35 deraadt 760: if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
761: &icmp6stat, &len, NULL, 0) == -1) {
762: if (errno != ENOPROTOOPT)
1.44 guenther 763: warn("%s", name);
1.1 itojun 764: return;
1.35 deraadt 765: }
766:
1.1 itojun 767: printf("%s:\n", name);
768: #define p(f, m) if (icmp6stat.f || sflag <= 1) \
1.20 deraadt 769: printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f))
1.8 itojun 770: #define p_5(f, m) if (icmp6stat.f || sflag <= 1) \
1.20 deraadt 771: printf(m, (unsigned long long)icmp6stat.f)
1.1 itojun 772:
1.14 itojun 773: p(icp6s_error, "\t%llu call%s to icmp6_error\n");
1.1 itojun 774: p(icp6s_canterror,
1.14 itojun 775: "\t%llu error%s not generated because old message was icmp6 or so\n");
1.7 itojun 776: p(icp6s_toofreq,
1.14 itojun 777: "\t%llu error%s not generated because of rate limitation\n");
1.39 tedu 778: for (first = 1, i = 0; i < 256; i++)
1.1 itojun 779: if (icmp6stat.icp6s_outhist[i] != 0) {
1.39 tedu 780: if (first) {
781: printf("\tOutput packet histogram:\n");
782: first = 0;
783: }
1.14 itojun 784: printf("\t\t%s: %llu\n", icmp6names[i],
1.25 deraadt 785: (unsigned long long)icmp6stat.icp6s_outhist[i]);
1.1 itojun 786: }
1.14 itojun 787: p(icp6s_badcode, "\t%llu message%s with bad code fields\n");
788: p(icp6s_tooshort, "\t%llu message%s < minimum length\n");
789: p(icp6s_checksum, "\t%llu bad checksum%s\n");
790: p(icp6s_badlen, "\t%llu message%s with bad length\n");
1.39 tedu 791: for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++)
1.1 itojun 792: if (icmp6stat.icp6s_inhist[i] != 0) {
1.39 tedu 793: if (first) {
794: printf("\tInput packet histogram:\n");
795: first = 0;
796: }
1.14 itojun 797: printf("\t\t%s: %llu\n", icmp6names[i],
1.25 deraadt 798: (unsigned long long)icmp6stat.icp6s_inhist[i]);
1.1 itojun 799: }
1.39 tedu 800: printf("\tHistogram of error messages to be generated:\n");
1.14 itojun 801: p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n");
802: p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n");
803: p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n");
804: p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n");
805: p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n");
806: p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n");
807: p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n");
808: p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n");
809: p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n");
810: p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n");
811: p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n");
812: p_5(icp6s_oredirect, "\t\t%llu redirect\n");
813: p_5(icp6s_ounknown, "\t\t%llu unknown\n");
814:
815: p(icp6s_reflect, "\t%llu message response%s generated\n");
816: p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n");
817: p(icp6s_nd_badopt, "\t%llu message%s with bad ND options\n");
818: p(icp6s_badns, "\t%llu bad neighbor solicitation message%s\n");
819: p(icp6s_badna, "\t%llu bad neighbor advertisement message%s\n");
820: p(icp6s_badrs, "\t%llu bad router solicitation message%s\n");
821: p(icp6s_badra, "\t%llu bad router advertisement message%s\n");
822: p(icp6s_badredirect, "\t%llu bad redirect message%s\n");
1.12 itojun 823: p(icp6s_pmtuchg, "\t%llu path MTU change%s\n");
1.14 itojun 824: #undef p
1.8 itojun 825: #undef p_5
1.21 itojun 826: }
827:
828: /*
829: * Dump raw ip6 statistics structure.
830: */
831: void
1.35 deraadt 832: rip6_stats(char *name)
1.21 itojun 833: {
834: struct rip6stat rip6stat;
1.34 henning 835: u_int64_t delivered;
1.45 guenther 836: int mib[] = { CTL_NET, PF_INET6, IPPROTO_RAW, RIPV6CTL_STATS };
1.35 deraadt 837: size_t len = sizeof(rip6stat);
1.21 itojun 838:
1.35 deraadt 839: if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
840: &rip6stat, &len, NULL, 0) == -1) {
841: if (errno != ENOPROTOOPT)
1.44 guenther 842: warn("%s", name);
1.21 itojun 843: return;
1.35 deraadt 844: }
845:
1.21 itojun 846: printf("%s:\n", name);
847:
848: #define p(f, m) if (rip6stat.f || sflag <= 1) \
849: printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f))
850: p(rip6s_ipackets, "\t%llu message%s received\n");
1.24 itojun 851: p(rip6s_isum, "\t%llu checksum calculation%s on inbound\n");
1.21 itojun 852: p(rip6s_badsum, "\t%llu message%s with bad checksum\n");
853: p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n");
854: p(rip6s_nosockmcast,
855: "\t%llu multicast message%s dropped due to no socket\n");
856: p(rip6s_fullsock,
857: "\t%llu message%s dropped due to full socket buffers\n");
858: delivered = rip6stat.rip6s_ipackets -
859: rip6stat.rip6s_nosock -
860: rip6stat.rip6s_nosockmcast -
861: rip6stat.rip6s_fullsock;
862: if (delivered || sflag <= 1)
863: printf("\t%llu delivered\n", (unsigned long long)delivered);
864: p(rip6s_opackets, "\t%llu datagram%s output\n");
1.1 itojun 865: #undef p
1.40 michele 866: }
867:
868: /*
869: * Dump divert6 statistics structure.
870: */
871: void
872: div6_stats(char *name)
873: {
874: struct div6stat div6stat;
1.45 guenther 875: int mib[] = { CTL_NET, PF_INET6, IPPROTO_DIVERT, DIVERT6CTL_STATS };
1.40 michele 876: size_t len = sizeof(div6stat);
877:
878: if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
879: &div6stat, &len, NULL, 0) == -1) {
880: if (errno != ENOPROTOOPT)
1.44 guenther 881: warn("%s", name);
1.40 michele 882: return;
883: }
884:
885: printf("%s:\n", name);
886: #define p(f, m) if (div6stat.f || sflag <= 1) \
887: printf(m, div6stat.f, plural(div6stat.f))
888: #define p1(f, m) if (div6stat.f || sflag <= 1) \
889: printf(m, div6stat.f)
890: p(divs_ipackets, "\t%lu total packet%s received\n");
891: p1(divs_noport, "\t%lu dropped due to no socket\n");
892: p1(divs_fullsock, "\t%lu dropped due to full socket buffers\n");
893: p(divs_opackets, "\t%lu packet%s output\n");
894: p1(divs_errors, "\t%lu errors\n");
895: #undef p
896: #undef p1
1.1 itojun 897: }
898:
899: /*
900: * Pretty print an Internet address (net address + port).
901: * If the nflag was specified, use numbers instead of names.
902: */
903:
904: void
1.48 claudio 905: inet6print(struct in6_addr *in6, int port, const char *proto)
1.1 itojun 906: {
1.25 deraadt 907:
908: #define GETSERVBYPORT6(port, proto, ret) do { \
909: if (strcmp((proto), "tcp6") == 0) \
910: (ret) = getservbyport((int)(port), "tcp"); \
911: else if (strcmp((proto), "udp6") == 0) \
912: (ret) = getservbyport((int)(port), "udp"); \
913: else \
914: (ret) = getservbyport((int)(port), (proto)); \
915: } while (0)
916:
1.1 itojun 917: struct servent *sp = 0;
918: char line[80], *cp;
919: int width;
1.26 deraadt 920: int len = sizeof line;
1.1 itojun 921:
1.14 itojun 922: width = Aflag ? 12 : 16;
923: if (vflag && width < strlen(inet6name(in6)))
924: width = strlen(inet6name(in6));
1.26 deraadt 925: snprintf(line, len, "%.*s.", width, inet6name(in6));
926: len -= strlen(line);
927: if (len <= 0)
928: goto bail;
929:
1.27 sturm 930: cp = strchr(line, '\0');
1.1 itojun 931: if (!nflag && port)
932: GETSERVBYPORT6(port, proto, sp);
933: if (sp || port == 0)
1.26 deraadt 934: snprintf(cp, len, "%.8s", sp ? sp->s_name : "*");
1.1 itojun 935: else
1.26 deraadt 936: snprintf(cp, len, "%d", ntohs((u_short)port));
1.1 itojun 937: width = Aflag ? 18 : 22;
1.14 itojun 938: if (vflag && width < strlen(line))
939: width = strlen(line);
1.26 deraadt 940: bail:
1.1 itojun 941: printf(" %-*.*s", width, width, line);
942: }
943:
944: /*
945: * Construct an Internet address representation.
946: * If the nflag has been supplied, give
947: * numeric value, otherwise try for symbolic name.
948: */
949:
950: char *
1.25 deraadt 951: inet6name(struct in6_addr *in6p)
1.1 itojun 952: {
1.16 mpech 953: char *cp;
1.14 itojun 954: static char line[NI_MAXHOST];
1.1 itojun 955: struct hostent *hp;
1.47 deraadt 956: static char domain[HOST_NAME_MAX+1];
1.1 itojun 957: static int first = 1;
1.14 itojun 958: char hbuf[NI_MAXHOST];
1.1 itojun 959: struct sockaddr_in6 sin6;
960: const int niflag = NI_NUMERICHOST;
961:
962: if (first && !nflag) {
963: first = 0;
1.19 mpech 964: if (gethostname(domain, sizeof(domain)) == 0 &&
1.22 deraadt 965: (cp = strchr(domain, '.')))
1.20 deraadt 966: (void) strlcpy(domain, cp + 1, sizeof domain);
1.1 itojun 967: else
1.20 deraadt 968: domain[0] = '\0';
1.1 itojun 969: }
970: cp = 0;
971: if (!nflag && !IN6_IS_ADDR_UNSPECIFIED(in6p)) {
972: hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6);
973: if (hp) {
1.22 deraadt 974: if ((cp = strchr(hp->h_name, '.')) &&
1.1 itojun 975: !strcmp(cp + 1, domain))
976: *cp = 0;
977: cp = hp->h_name;
978: }
979: }
980: if (IN6_IS_ADDR_UNSPECIFIED(in6p))
1.14 itojun 981: strlcpy(line, "*", sizeof(line));
1.1 itojun 982: else if (cp)
1.14 itojun 983: strlcpy(line, cp, sizeof(line));
1.1 itojun 984: else {
985: memset(&sin6, 0, sizeof(sin6));
986: sin6.sin6_family = AF_INET6;
987: sin6.sin6_addr = *in6p;
1.28 itojun 988: #ifdef __KAME__
1.30 itojun 989: if (IN6_IS_ADDR_LINKLOCAL(in6p) ||
1.33 itojun 990: IN6_IS_ADDR_MC_LINKLOCAL(in6p) ||
991: IN6_IS_ADDR_MC_INTFACELOCAL(in6p)) {
1.1 itojun 992: sin6.sin6_scope_id =
1.20 deraadt 993: ntohs(*(u_int16_t *)&in6p->s6_addr[2]);
1.1 itojun 994: sin6.sin6_addr.s6_addr[2] = 0;
995: sin6.sin6_addr.s6_addr[3] = 0;
996: }
997: #endif
1.52 guenther 998: if (getnameinfo((struct sockaddr *)&sin6, sizeof(sin6),
1.20 deraadt 999: hbuf, sizeof(hbuf), NULL, 0, niflag) != 0)
1000: strlcpy(hbuf, "?", sizeof hbuf);
1.14 itojun 1001: strlcpy(line, hbuf, sizeof(line));
1.1 itojun 1002: }
1003: return (line);
1004: }