netstat.tproj/inet6.c

   1 /*
   2  * Copyright (c) 2008 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 /*      BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp   */
  30 /*
  31  * Copyright (c) 1983, 1988, 1993
  32  *      The Regents of the University of California.  All rights reserved.
  33  *
  34  * Redistribution and use in source and binary forms, with or without
  35  * modification, are permitted provided that the following conditions
  36  * are met:
  37  * 1. Redistributions of source code must retain the above copyright
  38  *    notice, this list of conditions and the following disclaimer.
  39  * 2. Redistributions in binary form must reproduce the above copyright
  40  *    notice, this list of conditions and the following disclaimer in the
  41  *    documentation and/or other materials provided with the distribution.
  42  * 3. All advertising materials mentioning features or use of this software
  43  *    must display the following acknowledgement:
  44  *      This product includes software developed by the University of
  45  *      California, Berkeley and its contributors.
  46  * 4. Neither the name of the University nor the names of its contributors
  47  *    may be used to endorse or promote products derived from this software
  48  *    without specific prior written permission.
  49  *
  50  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  51  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  52  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  53  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  54  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  55  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  56  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  57  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  58  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  59  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  60  * SUCH DAMAGE.
  61  *
  62  * $FreeBSD: src/usr.bin/netstat/inet6.c,v 1.3.2.9 2001/08/10 09:07:09 ru Exp $
  63  */
  64
  65 #ifndef lint
  66 /*
  67 static char sccsid[] = "@(#)inet6.c     8.4 (Berkeley) 4/20/94";
  68 */
  69 #endif /* not lint */
  70
  71 #ifdef INET6
  72 #include <sys/param.h>
  73 #include <sys/socket.h>
  74 #include <sys/socketvar.h>
  75 #include <sys/ioctl.h>
  76 #include <sys/sysctl.h>
  77
  78 #include <net/route.h>
  79 #include <net/if.h>
  80 #include <net/if_var.h>
  81 #include <netinet/in.h>
  82 #include <netinet/ip6.h>
  83 #include <netinet/icmp6.h>
  84 #include <netinet/in_systm.h>
  85 #include <netinet6/in6_pcb.h>
  86 #include <netinet6/in6_var.h>
  87 #include <netinet6/ip6_var.h>
  88 #include <netinet6/pim6_var.h>
  89 #include <netinet6/raw_ip6.h>
  90
  91 #include <arpa/inet.h>
  92 #include <netdb.h>
  93
  94 #include <stdio.h>
  95 #include <string.h>
  96 #include <unistd.h>
  97 #include "netstat.h"
  98
  99 #if defined(__APPLE__) && !defined(__unused)
 100 #define __unused
 101 #endif
 102
 103 char    *inet6name (struct in6_addr *);
 104 void    inet6print (struct in6_addr *, int, char *, int);
 105
 106 static  char *ip6nh[] = {
 107         "hop by hop",
 108         "ICMP",
 109         "IGMP",
 110         "#3",
 111         "IP",
 112         "#5",
 113         "TCP",
 114         "#7",
 115         "#8",
 116         "#9",
 117         "#10",
 118         "#11",
 119         "#12",
 120         "#13",
 121         "#14",
 122         "#15",
 123         "#16",
 124         "UDP",
 125         "#18",
 126         "#19",
 127         "#20",
 128         "#21",
 129         "IDP",
 130         "#23",
 131         "#24",
 132         "#25",
 133         "#26",
 134         "#27",
 135         "#28",
 136         "TP",
 137         "#30",
 138         "#31",
 139         "#32",
 140         "#33",
 141         "#34",
 142         "#35",
 143         "#36",
 144         "#37",
 145         "#38",
 146         "#39",
 147         "#40",
 148         "IP6",
 149         "#42",
 150         "routing",
 151         "fragment",
 152         "#45",
 153         "#46",
 154         "#47",
 155         "#48",
 156         "#49",
 157         "ESP",
 158         "AH",
 159         "#52",
 160         "#53",
 161         "#54",
 162         "#55",
 163         "#56",
 164         "#57",
 165         "ICMP6",
 166         "no next header",
 167         "destination option",
 168         "#61",
 169         "#62",
 170         "#63",
 171         "#64",
 172         "#65",
 173         "#66",
 174         "#67",
 175         "#68",
 176         "#69",
 177         "#70",
 178         "#71",
 179         "#72",
 180         "#73",
 181         "#74",
 182         "#75",
 183         "#76",
 184         "#77",
 185         "#78",
 186         "#79",
 187         "ISOIP",
 188         "#81",
 189         "#82",
 190         "#83",
 191         "#84",
 192         "#85",
 193         "#86",
 194         "#87",
 195         "#88",
 196         "OSPF",
 197         "#80",
 198         "#91",
 199         "#92",
 200         "#93",
 201         "#94",
 202         "#95",
 203         "#96",
 204         "Ethernet",
 205         "#98",
 206         "#99",
 207         "#100",
 208         "#101",
 209         "#102",
 210         "PIM",
 211         "#104",
 212         "#105",
 213         "#106",
 214         "#107",
 215         "#108",
 216         "#109",
 217         "#110",
 218         "#111",
 219         "#112",
 220         "#113",
 221         "#114",
 222         "#115",
 223         "#116",
 224         "#117",
 225         "#118",
 226         "#119",
 227         "#120",
 228         "#121",
 229         "#122",
 230         "#123",
 231         "#124",
 232         "#125",
 233         "#126",
 234         "#127",
 235         "#128",
 236         "#129",
 237         "#130",
 238         "#131",
 239         "#132",
 240         "#133",
 241         "#134",
 242         "#135",
 243         "#136",
 244         "#137",
 245         "#138",
 246         "#139",
 247         "#140",
 248         "#141",
 249         "#142",
 250         "#143",
 251         "#144",
 252         "#145",
 253         "#146",
 254         "#147",
 255         "#148",
 256         "#149",
 257         "#150",
 258         "#151",
 259         "#152",
 260         "#153",
 261         "#154",
 262         "#155",
 263         "#156",
 264         "#157",
 265         "#158",
 266         "#159",
 267         "#160",
 268         "#161",
 269         "#162",
 270         "#163",
 271         "#164",
 272         "#165",
 273         "#166",
 274         "#167",
 275         "#168",
 276         "#169",
 277         "#170",
 278         "#171",
 279         "#172",
 280         "#173",
 281         "#174",
 282         "#175",
 283         "#176",
 284         "#177",
 285         "#178",
 286         "#179",
 287         "#180",
 288         "#181",
 289         "#182",
 290         "#183",
 291         "#184",
 292         "#185",
 293         "#186",
 294         "#187",
 295         "#188",
 296         "#189",
 297         "#180",
 298         "#191",
 299         "#192",
 300         "#193",
 301         "#194",
 302         "#195",
 303         "#196",
 304         "#197",
 305         "#198",
 306         "#199",
 307         "#200",
 308         "#201",
 309         "#202",
 310         "#203",
 311         "#204",
 312         "#205",
 313         "#206",
 314         "#207",
 315         "#208",
 316         "#209",
 317         "#210",
 318         "#211",
 319         "#212",
 320         "#213",
 321         "#214",
 322         "#215",
 323         "#216",
 324         "#217",
 325         "#218",
 326         "#219",
 327         "#220",
 328         "#221",
 329         "#222",
 330         "#223",
 331         "#224",
 332         "#225",
 333         "#226",
 334         "#227",
 335         "#228",
 336         "#229",
 337         "#230",
 338         "#231",
 339         "#232",
 340         "#233",
 341         "#234",
 342         "#235",
 343         "#236",
 344         "#237",
 345         "#238",
 346         "#239",
 347         "#240",
 348         "#241",
 349         "#242",
 350         "#243",
 351         "#244",
 352         "#245",
 353         "#246",
 354         "#247",
 355         "#248",
 356         "#249",
 357         "#250",
 358         "#251",
 359         "#252",
 360         "#253",
 361         "#254",
 362         "#255",
 363 };
 364
 365 /*
 366  * Dump IP6 statistics structure.
 367  */
 368 void
 369 ip6_stats(uint32_t off __unused, char *name, int af __unused)
 370 {
 371         static struct ip6stat pip6stat;
 372         struct ip6stat ip6stat;
 373         int first, i;
 374         int mib[4];
 375         size_t len;
 376
 377         mib[0] = CTL_NET;
 378         mib[1] = PF_INET6;
 379         mib[2] = IPPROTO_IPV6;
 380         mib[3] = IPV6CTL_STATS;
 381
 382         len = sizeof ip6stat;
 383         memset(&ip6stat, 0, len);
 384         if (sysctl(mib, 4, &ip6stat, &len, (void *)0, 0) < 0)
 385                 return;
 386         printf("%s:\n", name);
 387
 388 #define IP6DIFF(f) (ip6stat.f - pip6stat.f)
 389 #define p(f, m) if (IP6DIFF(f) || sflag <= 1) \
 390     printf(m, (unsigned long long)IP6DIFF(f), plural(IP6DIFF(f)))
 391 #define p1a(f, m) if (IP6DIFF(f) || sflag <= 1) \
 392     printf(m, (unsigned long long)IP6DIFF(f))
 393
 394         p(ip6s_total, "\t%llu total packet%s received\n");
 395         p1a(ip6s_toosmall, "\t%llu with size smaller than minimum\n");
 396         p1a(ip6s_tooshort, "\t%llu with data size < data length\n");
 397         p1a(ip6s_badoptions, "\t%llu with bad options\n");
 398         p1a(ip6s_badvers, "\t%llu with incorrect version number\n");
 399         p(ip6s_fragments, "\t%llu fragment%s received\n");
 400         p(ip6s_fragdropped, "\t%llu fragment%s dropped (dup or out of space)\n");
 401         p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n");
 402         p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n");
 403         p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n");
 404         p(ip6s_delivered, "\t%llu packet%s for this host\n");
 405         p(ip6s_forward, "\t%llu packet%s forwarded\n");
 406         p(ip6s_cantforward, "\t%llu packet%s not forwardable\n");
 407         p(ip6s_redirectsent, "\t%llu redirect%s sent\n");
 408         p(ip6s_localout, "\t%llu packet%s sent from this host\n");
 409         p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n");
 410         p(ip6s_odropped, "\t%llu output packet%s dropped due to no bufs, etc.\n");
 411         p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n");
 412         p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n");
 413         p(ip6s_ofragments, "\t%llu fragment%s created\n");
 414         p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n");
 415         p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n");
 416         p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n");
 417         for (first = 1, i = 0; i < 256; i++)
 418                 if (IP6DIFF(ip6s_nxthist[i]) != 0) {
 419                         if (first) {
 420                                 printf("\tInput histogram:\n");
 421                                 first = 0;
 422                         }
 423                         printf("\t\t%s: %llu\n", ip6nh[i],
 424                             (unsigned long long)IP6DIFF(ip6s_nxthist[i]));
 425                 }
 426         printf("\tMbuf statistics:\n");
 427         printf("\t\t%llu one mbuf\n", (unsigned long long)IP6DIFF(ip6s_m1));
 428         for (first = 1, i = 0; i < 32; i++) {
 429                 char ifbuf[IFNAMSIZ];
 430                 if (IP6DIFF(ip6s_m2m[i]) != 0) {
 431                         if (first) {
 432                                 printf("\t\ttwo or more mbuf:\n");
 433                                 first = 0;
 434                         }
 435                         printf("\t\t\t%s= %llu\n",
 436                             if_indextoname(i, ifbuf),
 437                             (unsigned long long)IP6DIFF(ip6s_m2m[i]));
 438                 }
 439         }
 440         printf("\t\t%llu one ext mbuf\n",
 441             (unsigned long long)IP6DIFF(ip6s_mext1));
 442         printf("\t\t%llu two or more ext mbuf\n",
 443             (unsigned long long)IP6DIFF(ip6s_mext2m));
 444         p(ip6s_exthdrtoolong,
 445             "\t%llu packet%s whose headers are not continuous\n");
 446         p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n");
 447         p(ip6s_toomanyhdr,
 448             "\t%llu packet%s discarded due to too may headers\n");
 449
 450         /* for debugging source address selection */
 451 #define PRINT_SCOPESTAT(s,i) do {\
 452                 switch(i) { /* XXX hardcoding in each case */\
 453                 case 1:\
 454                         p(s, "\t\t%llu node-local%s\n");\
 455                         break;\
 456                 case 2:\
 457                         p(s,"\t\t%llu link-local%s\n");\
 458                         break;\
 459                 case 5:\
 460                         p(s,"\t\t%llu site-local%s\n");\
 461                         break;\
 462                 case 14:\
 463                         p(s,"\t\t%llu global%s\n");\
 464                         break;\
 465                 default:\
 466                         printf("\t\t%llu addresses scope=%x\n",\
 467                             (unsigned long long)IP6DIFF(s), i);\
 468                 }\
 469         } while (0);
 470
 471         p(ip6s_sources_none,
 472           "\t%llu failure%s of source address selection\n");
 473         for (first = 1, i = 0; i < 16; i++) {
 474                 if (IP6DIFF(ip6s_sources_sameif[i])) {
 475                         if (first) {
 476                                 printf("\tsource addresses on an outgoing I/F\n");
 477                                 first = 0;
 478                         }
 479                         PRINT_SCOPESTAT(ip6s_sources_sameif[i], i);
 480                 }
 481         }
 482         for (first = 1, i = 0; i < 16; i++) {
 483                 if (IP6DIFF(ip6s_sources_otherif[i])) {
 484                         if (first) {
 485                                 printf("\tsource addresses on a non-outgoing I/F\n");
 486                                 first = 0;
 487                         }
 488                         PRINT_SCOPESTAT(ip6s_sources_otherif[i], i);
 489                 }
 490         }
 491         for (first = 1, i = 0; i < 16; i++) {
 492                 if (IP6DIFF(ip6s_sources_samescope[i])) {
 493                         if (first) {
 494                                 printf("\tsource addresses of same scope\n");
 495                                 first = 0;
 496                         }
 497                         PRINT_SCOPESTAT(ip6s_sources_samescope[i], i);
 498                 }
 499         }
 500         for (first = 1, i = 0; i < 16; i++) {
 501                 if (IP6DIFF(ip6s_sources_otherscope[i])) {
 502                         if (first) {
 503                                 printf("\tsource addresses of a different scope\n");
 504                                 first = 0;
 505                         }
 506                         PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i);
 507                 }
 508         }
 509         for (first = 1, i = 0; i < 16; i++) {
 510                 if (IP6DIFF(ip6s_sources_deprecated[i])) {
 511                         if (first) {
 512                                 printf("\tdeprecated source addresses\n");
 513                                 first = 0;
 514                         }
 515                         PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i);
 516                 }
 517         }
 518
 519         p1a(ip6s_forward_cachehit, "\t%llu forward cache hit\n");
 520         p1a(ip6s_forward_cachemiss, "\t%llu forward cache miss\n");
 521
 522         if (interval > 0)
 523                 bcopy(&ip6stat, &pip6stat, len);
 524
 525 #undef IP6DIFF
 526 #undef p
 527 #undef p1a
 528 }
 529
 530 /*
 531  * Dump IPv6 per-interface statistics based on RFC 2465.
 532  */
 533 void
 534 ip6_ifstats(char *ifname)
 535 {
 536         struct in6_ifreq ifr;
 537         int s;
 538 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \
 539     printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, plural(ifr.ifr_ifru.ifru_stat.f))
 540 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \
 541     printf(m, (unsigned long long)ip6stat.f)
 542
 543         if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
 544                 perror("Warning: socket(AF_INET6)");
 545                 return;
 546         }
 547
 548         strcpy(ifr.ifr_name, ifname);
 549         printf("ip6 on %s:\n", ifr.ifr_name);
 550
 551         if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) {
 552                 perror("Warning: ioctl(SIOCGIFSTAT_IN6)");
 553                 goto end;
 554         }
 555
 556         p(ifs6_in_receive, "\t%llu total input datagram%s\n");
 557         p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n");
 558         p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n");
 559         p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n");
 560         p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n");
 561         p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n");
 562         p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n");
 563         p(ifs6_in_discard, "\t%llu input datagram%s discarded\n");
 564         p(ifs6_in_deliver,
 565           "\t%llu datagram%s delivered to an upper layer protocol\n");
 566         p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n");
 567         p(ifs6_out_request,
 568           "\t%llu datagram%s sent from an upper layer protocol\n");
 569         p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n");
 570         p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n");
 571         p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n");
 572         p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n");
 573         p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n");
 574         p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n");
 575         p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n");
 576         p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n");
 577         p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n");
 578
 579   end:
 580         close(s);
 581
 582 #undef p
 583 #undef p_5
 584 }
 585
 586 static  char *icmp6names[] = {
 587         "#0",
 588         "unreach",
 589         "packet too big",
 590         "time exceed",
 591         "parameter problem",
 592         "#5",
 593         "#6",
 594         "#7",
 595         "#8",
 596         "#9",
 597         "#10",
 598         "#11",
 599         "#12",
 600         "#13",
 601         "#14",
 602         "#15",
 603         "#16",
 604         "#17",
 605         "#18",
 606         "#19",
 607         "#20",
 608         "#21",
 609         "#22",
 610         "#23",
 611         "#24",
 612         "#25",
 613         "#26",
 614         "#27",
 615         "#28",
 616         "#29",
 617         "#30",
 618         "#31",
 619         "#32",
 620         "#33",
 621         "#34",
 622         "#35",
 623         "#36",
 624         "#37",
 625         "#38",
 626         "#39",
 627         "#40",
 628         "#41",
 629         "#42",
 630         "#43",
 631         "#44",
 632         "#45",
 633         "#46",
 634         "#47",
 635         "#48",
 636         "#49",
 637         "#50",
 638         "#51",
 639         "#52",
 640         "#53",
 641         "#54",
 642         "#55",
 643         "#56",
 644         "#57",
 645         "#58",
 646         "#59",
 647         "#60",
 648         "#61",
 649         "#62",
 650         "#63",
 651         "#64",
 652         "#65",
 653         "#66",
 654         "#67",
 655         "#68",
 656         "#69",
 657         "#70",
 658         "#71",
 659         "#72",
 660         "#73",
 661         "#74",
 662         "#75",
 663         "#76",
 664         "#77",
 665         "#78",
 666         "#79",
 667         "#80",
 668         "#81",
 669         "#82",
 670         "#83",
 671         "#84",
 672         "#85",
 673         "#86",
 674         "#87",
 675         "#88",
 676         "#89",
 677         "#80",
 678         "#91",
 679         "#92",
 680         "#93",
 681         "#94",
 682         "#95",
 683         "#96",
 684         "#97",
 685         "#98",
 686         "#99",
 687         "#100",
 688         "#101",
 689         "#102",
 690         "#103",
 691         "#104",
 692         "#105",
 693         "#106",
 694         "#107",
 695         "#108",
 696         "#109",
 697         "#110",
 698         "#111",
 699         "#112",
 700         "#113",
 701         "#114",
 702         "#115",
 703         "#116",
 704         "#117",
 705         "#118",
 706         "#119",
 707         "#120",
 708         "#121",
 709         "#122",
 710         "#123",
 711         "#124",
 712         "#125",
 713         "#126",
 714         "#127",
 715         "echo",
 716         "echo reply",
 717         "multicast listener query",
 718         "multicast listener report",
 719         "multicast listener done",
 720         "router solicitation",
 721         "router advertisement",
 722         "neighbor solicitation",
 723         "neighbor advertisement",
 724         "redirect",
 725         "router renumbering",
 726         "node information request",
 727         "node information reply",
 728         "inverse neighbor solicitation",
 729         "inverse neighbor advertisement",
 730         "#143",
 731         "#144",
 732         "#145",
 733         "#146",
 734         "#147",
 735         "#148",
 736         "#149",
 737         "#150",
 738         "#151",
 739         "#152",
 740         "#153",
 741         "#154",
 742         "#155",
 743         "#156",
 744         "#157",
 745         "#158",
 746         "#159",
 747         "#160",
 748         "#161",
 749         "#162",
 750         "#163",
 751         "#164",
 752         "#165",
 753         "#166",
 754         "#167",
 755         "#168",
 756         "#169",
 757         "#170",
 758         "#171",
 759         "#172",
 760         "#173",
 761         "#174",
 762         "#175",
 763         "#176",
 764         "#177",
 765         "#178",
 766         "#179",
 767         "#180",
 768         "#181",
 769         "#182",
 770         "#183",
 771         "#184",
 772         "#185",
 773         "#186",
 774         "#187",
 775         "#188",
 776         "#189",
 777         "#180",
 778         "#191",
 779         "#192",
 780         "#193",
 781         "#194",
 782         "#195",
 783         "#196",
 784         "#197",
 785         "#198",
 786         "#199",
 787         "#200",
 788         "#201",
 789         "#202",
 790         "#203",
 791         "#204",
 792         "#205",
 793         "#206",
 794         "#207",
 795         "#208",
 796         "#209",
 797         "#210",
 798         "#211",
 799         "#212",
 800         "#213",
 801         "#214",
 802         "#215",
 803         "#216",
 804         "#217",
 805         "#218",
 806         "#219",
 807         "#220",
 808         "#221",
 809         "#222",
 810         "#223",
 811         "#224",
 812         "#225",
 813         "#226",
 814         "#227",
 815         "#228",
 816         "#229",
 817         "#230",
 818         "#231",
 819         "#232",
 820         "#233",
 821         "#234",
 822         "#235",
 823         "#236",
 824         "#237",
 825         "#238",
 826         "#239",
 827         "#240",
 828         "#241",
 829         "#242",
 830         "#243",
 831         "#244",
 832         "#245",
 833         "#246",
 834         "#247",
 835         "#248",
 836         "#249",
 837         "#250",
 838         "#251",
 839         "#252",
 840         "#253",
 841         "#254",
 842         "#255",
 843 };
 844
 845 /*
 846  * Dump ICMP6 statistics.
 847  */
 848 void
 849 icmp6_stats(uint32_t off __unused, char *name, int af __unused)
 850 {
 851         static struct icmp6stat picmp6stat;
 852         struct icmp6stat icmp6stat;
 853         register int i, first;
 854         int mib[4];
 855         size_t len;
 856
 857         mib[0] = CTL_NET;
 858         mib[1] = PF_INET6;
 859         mib[2] = IPPROTO_ICMPV6;
 860         mib[3] = ICMPV6CTL_STATS;
 861
 862         len = sizeof icmp6stat;
 863         memset(&icmp6stat, 0, len);
 864         if (sysctl(mib, 4, &icmp6stat, &len, (void *)0, 0) < 0)
 865                 return;
 866         printf("%s:\n", name);
 867
 868 #define ICMP6DIFF(f) (icmp6stat.f - picmp6stat.f)
 869 #define p(f, m) if (ICMP6DIFF(f) || sflag <= 1) \
 870     printf(m, (unsigned long long)ICMP6DIFF(f), plural(ICMP6DIFF(f)))
 871 #define p_5(f, m) printf(m, (unsigned long long)ICMP6DIFF(f))
 872
 873         p(icp6s_error, "\t%llu call%s to icmp_error\n");
 874         p(icp6s_canterror,
 875             "\t%llu error%s not generated because old message was icmp error or so\n");
 876         p(icp6s_toofreq,
 877           "\t%llu error%s not generated because rate limitation\n");
 878 #define NELEM (sizeof(icmp6stat.icp6s_outhist)/sizeof(icmp6stat.icp6s_outhist[0]))
 879         for (first = 1, i = 0; i < NELEM; i++)
 880                 if (ICMP6DIFF(icp6s_outhist[i]) != 0) {
 881                         if (first) {
 882                                 printf("\tOutput histogram:\n");
 883                                 first = 0;
 884                         }
 885                         printf("\t\t%s: %llu\n", icmp6names[i],
 886                             (unsigned long long)ICMP6DIFF(icp6s_outhist[i]));
 887                 }
 888 #undef NELEM
 889         p(icp6s_badcode, "\t%llu message%s with bad code fields\n");
 890         p(icp6s_tooshort, "\t%llu message%s < minimum length\n");
 891         p(icp6s_checksum, "\t%llu bad checksum%s\n");
 892         p(icp6s_badlen, "\t%llu message%s with bad length\n");
 893 #define NELEM (sizeof(icmp6stat.icp6s_inhist)/sizeof(icmp6stat.icp6s_inhist[0]))
 894         for (first = 1, i = 0; i < NELEM; i++)
 895                 if (ICMP6DIFF(icp6s_inhist[i]) != 0) {
 896                         if (first) {
 897                                 printf("\tInput histogram:\n");
 898                                 first = 0;
 899                         }
 900                         printf("\t\t%s: %llu\n", icmp6names[i],
 901                             (unsigned long long)ICMP6DIFF(icp6s_inhist[i]));
 902                 }
 903 #undef NELEM
 904         printf("\tHistogram of error messages to be generated:\n");
 905         p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n");
 906         p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n");
 907         p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n");
 908         p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n");
 909         p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n");
 910         p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n");
 911         p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n");
 912         p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n");
 913         p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n");
 914         p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n");
 915         p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n");
 916         p_5(icp6s_oredirect, "\t\t%llu redirect\n");
 917         p_5(icp6s_ounknown, "\t\t%llu unknown\n");
 918
 919         p(icp6s_reflect, "\t%llu message response%s generated\n");
 920         p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n");
 921         p(icp6s_nd_badopt, "\t%qu message%s with bad ND options\n");
 922         p(icp6s_badns, "\t%qu bad neighbor solicitation message%s\n");
 923         p(icp6s_badna, "\t%qu bad neighbor advertisement message%s\n");
 924         p(icp6s_badrs, "\t%qu bad router solicitation message%s\n");
 925         p(icp6s_badra, "\t%qu bad router advertisement message%s\n");
 926         p(icp6s_badredirect, "\t%qu bad redirect message%s\n");
 927         p(icp6s_pmtuchg, "\t%llu path MTU change%s\n");
 928
 929         if (interval > 0)
 930                 bcopy(&icmp6stat, &picmp6stat, len);
 931
 932 #undef ICMP6DIFF
 933 #undef p
 934 #undef p_5
 935 }
 936
 937 /*
 938  * Dump ICMPv6 per-interface statistics based on RFC 2466.
 939  */
 940 void
 941 icmp6_ifstats(char *ifname)
 942 {
 943         struct in6_ifreq ifr;
 944         int s;
 945 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \
 946     printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, plural(ifr.ifr_ifru.ifru_icmp6stat.f))
 947
 948         if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
 949                 perror("Warning: socket(AF_INET6)");
 950                 return;
 951         }
 952
 953         strcpy(ifr.ifr_name, ifname);
 954         printf("icmp6 on %s:\n", ifr.ifr_name);
 955
 956         if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) {
 957                 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)");
 958                 goto end;
 959         }
 960
 961         p(ifs6_in_msg, "\t%llu total input message%s\n");
 962         p(ifs6_in_error, "\t%llu total input error message%s\n");
 963         p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n");
 964         p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n");
 965         p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n");
 966         p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n");
 967         p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n");
 968         p(ifs6_in_echo, "\t%llu input echo request%s\n");
 969         p(ifs6_in_echoreply, "\t%llu input echo reply%s\n");
 970         p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n");
 971         p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n");
 972         p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n");
 973         p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n");
 974         p(ifs6_in_redirect, "\t%llu input redirect%s\n");
 975         p(ifs6_in_mldquery, "\t%llu input MLD query%s\n");
 976         p(ifs6_in_mldreport, "\t%llu input MLD report%s\n");
 977         p(ifs6_in_mlddone, "\t%llu input MLD done%s\n");
 978
 979         p(ifs6_out_msg, "\t%llu total output message%s\n");
 980         p(ifs6_out_error, "\t%llu total output error message%s\n");
 981         p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n");
 982         p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n");
 983         p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n");
 984         p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n");
 985         p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n");
 986         p(ifs6_out_echo, "\t%llu output echo request%s\n");
 987         p(ifs6_out_echoreply, "\t%llu output echo reply%s\n");
 988         p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n");
 989         p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n");
 990         p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n");
 991         p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n");
 992         p(ifs6_out_redirect, "\t%llu output redirect%s\n");
 993         p(ifs6_out_mldquery, "\t%llu output MLD query%s\n");
 994         p(ifs6_out_mldreport, "\t%llu output MLD report%s\n");
 995         p(ifs6_out_mlddone, "\t%llu output MLD done%s\n");
 996
 997   end:
 998         close(s);
 999 #undef p
1000 }
1001
1002 /*
1003  * Dump PIM statistics structure.
1004  */
1005 #ifdef notyet
1006 void
1007 pim6_stats(void)
1008 {
1009         static struct pim6stat ppim6stat;
1010         struct pim6stat pim6stat;
1011         size_t len = sizeof(struct pim6stat);
1012
1013         if (sysctlbyname("net.inet6.ip6.pim6stat", &pim6stat, &len, 0, 0) == -1)
1014                 return;
1015         printf("%s:\n", name);
1016
1017 #define PIM6DIFF(f) (pim6stat.f - ppim6stat.f)
1018 #define p(f, m) if (PIM6DIFF(f) || sflag <= 1) \
1019     printf(m, (unsigned long long)PIM6DIFF(f), plural(PIM6DIFF(f)))
1020         p(pim6s_rcv_total, "\t%llu message%s received\n");
1021         p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n");
1022         p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n");
1023         p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n");
1024         p(pim6s_rcv_registers, "\t%llu register%s received\n");
1025         p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n");
1026         p(pim6s_snd_registers, "\t%llu register%s sent\n");
1027
1028         if (interval > 0)
1029                 bcopy(&pim6stat, &ppim6stat, len);
1030
1031 #undef PIM6DIFF
1032 #undef p
1033 }
1034 #endif
1035
1036 /*
1037  * Dump raw ip6 statistics structure.
1038  */
1039 void
1040 rip6_stats(uint32_t off __unused, char *name, int af __unused)
1041 {
1042         static struct rip6stat prip6stat;
1043         struct rip6stat rip6stat;
1044         u_quad_t delivered;
1045         int mib[4];
1046         size_t l;
1047
1048         mib[0] = CTL_NET;
1049         mib[1] = PF_INET6;
1050         mib[2] = IPPROTO_IPV6;
1051         mib[3] = IPV6CTL_RIP6STATS;
1052         l = sizeof(rip6stat);
1053         if (sysctl(mib, 4, &rip6stat, &l, NULL, 0) < 0) {
1054                 perror("Warning: sysctl(net.inet6.ip6.rip6stats)");
1055                 return;
1056         }
1057
1058         printf("%s:\n", name);
1059
1060 #define RIP6DIFF(f) (rip6stat.f - prip6stat.f)
1061 #define p(f, m) if (RIP6DIFF(f) || sflag <= 1) \
1062     printf(m, (unsigned long long)RIP6DIFF(f), plural(RIP6DIFF(f)))
1063         p(rip6s_ipackets, "\t%llu message%s received\n");
1064         p(rip6s_isum, "\t%llu checksum calcuration%s on inbound\n");
1065         p(rip6s_badsum, "\t%llu message%s with bad checksum\n");
1066         p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n");
1067         p(rip6s_nosockmcast,
1068             "\t%llu multicast message%s dropped due to no socket\n");
1069         p(rip6s_fullsock,
1070             "\t%llu message%s dropped due to full socket buffers\n");
1071         delivered = RIP6DIFF(rip6s_ipackets) -
1072                     RIP6DIFF(rip6s_badsum) -
1073                     RIP6DIFF(rip6s_nosock) -
1074                     RIP6DIFF(rip6s_nosockmcast) -
1075                     RIP6DIFF(rip6s_fullsock);
1076         if (delivered || sflag <= 1)
1077                 printf("\t%llu delivered\n", (unsigned long long)delivered);
1078         p(rip6s_opackets, "\t%llu datagram%s output\n");
1079
1080         if (interval > 0)
1081                 bcopy(&rip6stat, &prip6stat, l);
1082
1083 #undef RIP6DIFF
1084 #undef p
1085 }
1086
1087 /*
1088  * Pretty print an Internet address (net address + port).
1089  * If the nflag was specified, use numbers instead of names.
1090  */
1091 #ifdef SRVCACHE
1092 extern struct servent * _serv_cache_getservbyport(int port, char *proto);
1093
1094 #define GETSERVBYPORT6(port, proto, ret)\
1095 {\
1096         if (strcmp((proto), "tcp6") == 0)\
1097                 (ret) = _serv_cache_getservbyport((int)(port), "tcp");\
1098         else if (strcmp((proto), "udp6") == 0)\
1099                 (ret) = _serv_cache_getservbyport((int)(port), "udp");\
1100         else\
1101                 (ret) = _serv_cache_getservbyport((int)(port), (proto));\
1102 };
1103 #else
1104 #define GETSERVBYPORT6(port, proto, ret)\
1105 {\
1106         if (strcmp((proto), "tcp6") == 0)\
1107                 (ret) = getservbyport((int)(port), "tcp");\
1108         else if (strcmp((proto), "udp6") == 0)\
1109                 (ret) = getservbyport((int)(port), "udp");\
1110         else\
1111                 (ret) = getservbyport((int)(port), (proto));\
1112 };
1113 #endif
1114 void
1115 inet6print(struct in6_addr *in6, int port, char *proto, int numeric)
1116 {
1117         struct servent *sp = 0;
1118         char line[80], *cp;
1119         int width;
1120
1121         sprintf(line, "%.*s.", lflag ? 39 :
1122                 (Aflag && !numeric) ? 12 : 16, inet6name(in6));
1123         cp = index(line, '\0');
1124         if (!numeric && port)
1125                 GETSERVBYPORT6(port, proto, sp);
1126         if (sp || port == 0)
1127                 sprintf(cp, "%.8s", sp ? sp->s_name : "*");
1128         else
1129                 sprintf(cp, "%d", ntohs((u_short)port));
1130         width = lflag ? 45 : Aflag ? 18 : 22;
1131         printf("%-*.*s ", width, width, line);
1132 }
1133
1134 /*
1135  * Construct an Internet address representation.
1136  * If the nflag has been supplied, give
1137  * numeric value, otherwise try for symbolic name.
1138  */
1139
1140 char *
1141 inet6name(struct in6_addr *in6p)
1142 {
1143         register char *cp;
1144         static char line[50];
1145         struct hostent *hp;
1146         static char domain[MAXHOSTNAMELEN];
1147         static int first = 1;
1148         char hbuf[NI_MAXHOST];
1149         struct sockaddr_in6 sin6;
1150         const int niflag = NI_NUMERICHOST;
1151
1152         if (first && !nflag) {
1153                 first = 0;
1154                 if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
1155                     (cp = index(domain, '.')))
1156                         (void) strcpy(domain, cp + 1);
1157                 else
1158                         domain[0] = 0;
1159         }
1160         cp = 0;
1161         if (!nflag && !IN6_IS_ADDR_UNSPECIFIED(in6p)) {
1162                 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6);
1163                 if (hp) {
1164                         if ((cp = index(hp->h_name, '.')) &&
1165                             !strcmp(cp + 1, domain))
1166                                 *cp = 0;
1167                         cp = hp->h_name;
1168                 }
1169         }
1170         if (IN6_IS_ADDR_UNSPECIFIED(in6p))
1171                 strcpy(line, "*");
1172         else if (cp)
1173                 strlcpy(line, cp, sizeof(line));
1174         else {
1175                 memset(&sin6, 0, sizeof(sin6));
1176                 sin6.sin6_len = sizeof(sin6);
1177                 sin6.sin6_family = AF_INET6;
1178                 sin6.sin6_addr = *in6p;
1179
1180                 if (IN6_IS_ADDR_LINKLOCAL(in6p) ||
1181                     IN6_IS_ADDR_MC_LINKLOCAL(in6p)) {
1182                         sin6.sin6_scope_id =
1183                             ntohs(*(u_int16_t *)&in6p->s6_addr[2]);
1184                         sin6.sin6_addr.s6_addr[2] = 0;
1185                         sin6.sin6_addr.s6_addr[3] = 0;
1186                 }
1187
1188                 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
1189                                 hbuf, sizeof(hbuf), NULL, 0, niflag) != 0)
1190                         strlcpy(hbuf, "?", sizeof(hbuf));
1191                 strlcpy(line, hbuf, sizeof(line));
1192         }
1193         return (line);
1194 }
1195 #endif /*INET6*/