inet6.c revision 187989
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 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by the University of 17 * California, Berkeley and its contributors. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35#if 0 36#ifndef lint 37static char sccsid[] = "@(#)inet6.c 8.4 (Berkeley) 4/20/94"; 38#endif /* not lint */ 39#endif 40 41#include <sys/cdefs.h> 42__FBSDID("$FreeBSD: head/usr.bin/netstat/inet6.c 187989 2009-02-01 21:11:08Z bz $"); 43 44#ifdef INET6 45#include <sys/param.h> 46#include <sys/socket.h> 47#include <sys/socketvar.h> 48#include <sys/ioctl.h> 49#include <sys/mbuf.h> 50#include <sys/protosw.h> 51#include <sys/sysctl.h> 52 53#include <net/route.h> 54#include <net/if.h> 55#include <net/if_var.h> 56#include <netinet/in.h> 57#include <netinet/ip6.h> 58#include <netinet/icmp6.h> 59#include <netinet/in_systm.h> 60#include <netinet6/in6_pcb.h> 61#include <netinet6/in6_var.h> 62#include <netinet6/ip6_var.h> 63#include <netinet6/pim6_var.h> 64#include <netinet6/raw_ip6.h> 65 66#include <arpa/inet.h> 67#include <netdb.h> 68 69#include <err.h> 70#include <stdint.h> 71#include <stdio.h> 72#include <errno.h> 73#include <string.h> 74#include <unistd.h> 75#include "netstat.h" 76 77struct socket sockb; 78 79char *inet6name(struct in6_addr *); 80 81static char ntop_buf[INET6_ADDRSTRLEN]; 82 83static const char *ip6nh[] = { 84 "hop by hop", 85 "ICMP", 86 "IGMP", 87 "#3", 88 "IP", 89 "#5", 90 "TCP", 91 "#7", 92 "#8", 93 "#9", 94 "#10", 95 "#11", 96 "#12", 97 "#13", 98 "#14", 99 "#15", 100 "#16", 101 "UDP", 102 "#18", 103 "#19", 104 "#20", 105 "#21", 106 "IDP", 107 "#23", 108 "#24", 109 "#25", 110 "#26", 111 "#27", 112 "#28", 113 "TP", 114 "#30", 115 "#31", 116 "#32", 117 "#33", 118 "#34", 119 "#35", 120 "#36", 121 "#37", 122 "#38", 123 "#39", 124 "#40", 125 "IP6", 126 "#42", 127 "routing", 128 "fragment", 129 "#45", 130 "#46", 131 "#47", 132 "#48", 133 "#49", 134 "ESP", 135 "AH", 136 "#52", 137 "#53", 138 "#54", 139 "#55", 140 "#56", 141 "#57", 142 "ICMP6", 143 "no next header", 144 "destination option", 145 "#61", 146 "mobility", 147 "#63", 148 "#64", 149 "#65", 150 "#66", 151 "#67", 152 "#68", 153 "#69", 154 "#70", 155 "#71", 156 "#72", 157 "#73", 158 "#74", 159 "#75", 160 "#76", 161 "#77", 162 "#78", 163 "#79", 164 "ISOIP", 165 "#81", 166 "#82", 167 "#83", 168 "#84", 169 "#85", 170 "#86", 171 "#87", 172 "#88", 173 "OSPF", 174 "#80", 175 "#91", 176 "#92", 177 "#93", 178 "#94", 179 "#95", 180 "#96", 181 "Ethernet", 182 "#98", 183 "#99", 184 "#100", 185 "#101", 186 "#102", 187 "PIM", 188 "#104", 189 "#105", 190 "#106", 191 "#107", 192 "#108", 193 "#109", 194 "#110", 195 "#111", 196 "#112", 197 "#113", 198 "#114", 199 "#115", 200 "#116", 201 "#117", 202 "#118", 203 "#119", 204 "#120", 205 "#121", 206 "#122", 207 "#123", 208 "#124", 209 "#125", 210 "#126", 211 "#127", 212 "#128", 213 "#129", 214 "#130", 215 "#131", 216 "#132", 217 "#133", 218 "#134", 219 "#135", 220 "#136", 221 "#137", 222 "#138", 223 "#139", 224 "#140", 225 "#141", 226 "#142", 227 "#143", 228 "#144", 229 "#145", 230 "#146", 231 "#147", 232 "#148", 233 "#149", 234 "#150", 235 "#151", 236 "#152", 237 "#153", 238 "#154", 239 "#155", 240 "#156", 241 "#157", 242 "#158", 243 "#159", 244 "#160", 245 "#161", 246 "#162", 247 "#163", 248 "#164", 249 "#165", 250 "#166", 251 "#167", 252 "#168", 253 "#169", 254 "#170", 255 "#171", 256 "#172", 257 "#173", 258 "#174", 259 "#175", 260 "#176", 261 "#177", 262 "#178", 263 "#179", 264 "#180", 265 "#181", 266 "#182", 267 "#183", 268 "#184", 269 "#185", 270 "#186", 271 "#187", 272 "#188", 273 "#189", 274 "#180", 275 "#191", 276 "#192", 277 "#193", 278 "#194", 279 "#195", 280 "#196", 281 "#197", 282 "#198", 283 "#199", 284 "#200", 285 "#201", 286 "#202", 287 "#203", 288 "#204", 289 "#205", 290 "#206", 291 "#207", 292 "#208", 293 "#209", 294 "#210", 295 "#211", 296 "#212", 297 "#213", 298 "#214", 299 "#215", 300 "#216", 301 "#217", 302 "#218", 303 "#219", 304 "#220", 305 "#221", 306 "#222", 307 "#223", 308 "#224", 309 "#225", 310 "#226", 311 "#227", 312 "#228", 313 "#229", 314 "#230", 315 "#231", 316 "#232", 317 "#233", 318 "#234", 319 "#235", 320 "#236", 321 "#237", 322 "#238", 323 "#239", 324 "#240", 325 "#241", 326 "#242", 327 "#243", 328 "#244", 329 "#245", 330 "#246", 331 "#247", 332 "#248", 333 "#249", 334 "#250", 335 "#251", 336 "#252", 337 "#253", 338 "#254", 339 "#255", 340}; 341 342static char *srcrule_str[] = { 343 "first candidate", 344 "same address", 345 "appropriate scope", 346 "deprecated address", 347 "home address", 348 "outgoing interface", 349 "matching label", 350 "public/temporary address", 351 "alive interface", 352 "preferred interface", 353 "rule #10", 354 "rule #11", 355 "rule #12", 356 "rule #13", 357 "longest match", 358 "rule #15", 359}; 360 361/* 362 * Dump IP6 statistics structure. 363 */ 364void 365ip6_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 366{ 367 struct ip6stat ip6stat; 368 int first, i; 369 size_t len; 370 371 len = sizeof ip6stat; 372 if (live) { 373 memset(&ip6stat, 0, len); 374 if (sysctlbyname("net.inet6.ip6.stats", &ip6stat, &len, NULL, 375 0) < 0) { 376 if (errno != ENOENT) 377 warn("sysctl: net.inet6.ip6.stats"); 378 return; 379 } 380 } else 381 kread(off, &ip6stat, len); 382 383 printf("%s:\n", name); 384 385#define p(f, m) if (ip6stat.f || sflag <= 1) \ 386 printf(m, (uintmax_t)ip6stat.f, plural(ip6stat.f)) 387#define p1a(f, m) if (ip6stat.f || sflag <= 1) \ 388 printf(m, (uintmax_t)ip6stat.f) 389 390 p(ip6s_total, "\t%ju total packet%s received\n"); 391 p1a(ip6s_toosmall, "\t%ju with size smaller than minimum\n"); 392 p1a(ip6s_tooshort, "\t%ju with data size < data length\n"); 393 p1a(ip6s_badoptions, "\t%ju with bad options\n"); 394 p1a(ip6s_badvers, "\t%ju with incorrect version number\n"); 395 p(ip6s_fragments, "\t%ju fragment%s received\n"); 396 p(ip6s_fragdropped, "\t%ju fragment%s dropped (dup or out of space)\n"); 397 p(ip6s_fragtimeout, "\t%ju fragment%s dropped after timeout\n"); 398 p(ip6s_fragoverflow, "\t%ju fragment%s that exceeded limit\n"); 399 p(ip6s_reassembled, "\t%ju packet%s reassembled ok\n"); 400 p(ip6s_delivered, "\t%ju packet%s for this host\n"); 401 p(ip6s_forward, "\t%ju packet%s forwarded\n"); 402 p(ip6s_cantforward, "\t%ju packet%s not forwardable\n"); 403 p(ip6s_redirectsent, "\t%ju redirect%s sent\n"); 404 p(ip6s_localout, "\t%ju packet%s sent from this host\n"); 405 p(ip6s_rawout, "\t%ju packet%s sent with fabricated ip header\n"); 406 p(ip6s_odropped, "\t%ju output packet%s dropped due to no bufs, etc.\n"); 407 p(ip6s_noroute, "\t%ju output packet%s discarded due to no route\n"); 408 p(ip6s_fragmented, "\t%ju output datagram%s fragmented\n"); 409 p(ip6s_ofragments, "\t%ju fragment%s created\n"); 410 p(ip6s_cantfrag, "\t%ju datagram%s that can't be fragmented\n"); 411 p(ip6s_badscope, "\t%ju packet%s that violated scope rules\n"); 412 p(ip6s_notmember, "\t%ju multicast packet%s which we don't join\n"); 413 for (first = 1, i = 0; i < 256; i++) 414 if (ip6stat.ip6s_nxthist[i] != 0) { 415 if (first) { 416 printf("\tInput histogram:\n"); 417 first = 0; 418 } 419 printf("\t\t%s: %ju\n", ip6nh[i], 420 (uintmax_t)ip6stat.ip6s_nxthist[i]); 421 } 422 printf("\tMbuf statistics:\n"); 423 printf("\t\t%ju one mbuf\n", (uintmax_t)ip6stat.ip6s_m1); 424 for (first = 1, i = 0; i < 32; i++) { 425 char ifbuf[IFNAMSIZ]; 426 if (ip6stat.ip6s_m2m[i] != 0) { 427 if (first) { 428 printf("\t\ttwo or more mbuf:\n"); 429 first = 0; 430 } 431 printf("\t\t\t%s= %ju\n", 432 if_indextoname(i, ifbuf), 433 (uintmax_t)ip6stat.ip6s_m2m[i]); 434 } 435 } 436 printf("\t\t%ju one ext mbuf\n", 437 (uintmax_t)ip6stat.ip6s_mext1); 438 printf("\t\t%ju two or more ext mbuf\n", 439 (uintmax_t)ip6stat.ip6s_mext2m); 440 p(ip6s_exthdrtoolong, 441 "\t%ju packet%s whose headers are not continuous\n"); 442 p(ip6s_nogif, "\t%ju tunneling packet%s that can't find gif\n"); 443 p(ip6s_toomanyhdr, 444 "\t%ju packet%s discarded because of too many headers\n"); 445 446 /* for debugging source address selection */ 447#define PRINT_SCOPESTAT(s,i) do {\ 448 switch(i) { /* XXX hardcoding in each case */\ 449 case 1:\ 450 p(s, "\t\t%ju node-local%s\n");\ 451 break;\ 452 case 2:\ 453 p(s,"\t\t%ju link-local%s\n");\ 454 break;\ 455 case 5:\ 456 p(s,"\t\t%ju site-local%s\n");\ 457 break;\ 458 case 14:\ 459 p(s,"\t\t%ju global%s\n");\ 460 break;\ 461 default:\ 462 printf("\t\t%ju addresses scope=%x\n",\ 463 (uintmax_t)ip6stat.s, i);\ 464 }\ 465 } while (0); 466 467 p(ip6s_sources_none, 468 "\t%ju failure%s of source address selection\n"); 469 for (first = 1, i = 0; i < 16; i++) { 470 if (ip6stat.ip6s_sources_sameif[i]) { 471 if (first) { 472 printf("\tsource addresses on an outgoing I/F\n"); 473 first = 0; 474 } 475 PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); 476 } 477 } 478 for (first = 1, i = 0; i < 16; i++) { 479 if (ip6stat.ip6s_sources_otherif[i]) { 480 if (first) { 481 printf("\tsource addresses on a non-outgoing I/F\n"); 482 first = 0; 483 } 484 PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); 485 } 486 } 487 for (first = 1, i = 0; i < 16; i++) { 488 if (ip6stat.ip6s_sources_samescope[i]) { 489 if (first) { 490 printf("\tsource addresses of same scope\n"); 491 first = 0; 492 } 493 PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); 494 } 495 } 496 for (first = 1, i = 0; i < 16; i++) { 497 if (ip6stat.ip6s_sources_otherscope[i]) { 498 if (first) { 499 printf("\tsource addresses of a different scope\n"); 500 first = 0; 501 } 502 PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); 503 } 504 } 505 for (first = 1, i = 0; i < 16; i++) { 506 if (ip6stat.ip6s_sources_deprecated[i]) { 507 if (first) { 508 printf("\tdeprecated source addresses\n"); 509 first = 0; 510 } 511 PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); 512 } 513 } 514 515 printf("\tSource addresses selection rule applied:\n"); 516 for (i = 0; i < 16; i++) { 517 if (ip6stat.ip6s_sources_rule[i]) 518 printf("\t\t%ju %s\n", 519 (uintmax_t)ip6stat.ip6s_sources_rule[i], 520 srcrule_str[i]); 521 } 522#undef p 523#undef p1a 524} 525 526/* 527 * Dump IPv6 per-interface statistics based on RFC 2465. 528 */ 529void 530ip6_ifstats(char *ifname) 531{ 532 struct in6_ifreq ifr; 533 int s; 534#define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 535 printf(m, (uintmax_t)ifr.ifr_ifru.ifru_stat.f, plural(ifr.ifr_ifru.ifru_stat.f)) 536#define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 537 printf(m, (uintmax_t)ip6stat.f) 538 539 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 540 perror("Warning: socket(AF_INET6)"); 541 return; 542 } 543 544 strcpy(ifr.ifr_name, ifname); 545 printf("ip6 on %s:\n", ifr.ifr_name); 546 547 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 548 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 549 goto end; 550 } 551 552 p(ifs6_in_receive, "\t%ju total input datagram%s\n"); 553 p(ifs6_in_hdrerr, "\t%ju datagram%s with invalid header received\n"); 554 p(ifs6_in_toobig, "\t%ju datagram%s exceeded MTU received\n"); 555 p(ifs6_in_noroute, "\t%ju datagram%s with no route received\n"); 556 p(ifs6_in_addrerr, "\t%ju datagram%s with invalid dst received\n"); 557 p(ifs6_in_protounknown, "\t%ju datagram%s with unknown proto received\n"); 558 p(ifs6_in_truncated, "\t%ju truncated datagram%s received\n"); 559 p(ifs6_in_discard, "\t%ju input datagram%s discarded\n"); 560 p(ifs6_in_deliver, 561 "\t%ju datagram%s delivered to an upper layer protocol\n"); 562 p(ifs6_out_forward, "\t%ju datagram%s forwarded to this interface\n"); 563 p(ifs6_out_request, 564 "\t%ju datagram%s sent from an upper layer protocol\n"); 565 p(ifs6_out_discard, "\t%ju total discarded output datagram%s\n"); 566 p(ifs6_out_fragok, "\t%ju output datagram%s fragmented\n"); 567 p(ifs6_out_fragfail, "\t%ju output datagram%s failed on fragment\n"); 568 p(ifs6_out_fragcreat, "\t%ju output datagram%s succeeded on fragment\n"); 569 p(ifs6_reass_reqd, "\t%ju incoming datagram%s fragmented\n"); 570 p(ifs6_reass_ok, "\t%ju datagram%s reassembled\n"); 571 p(ifs6_reass_fail, "\t%ju datagram%s failed on reassembly\n"); 572 p(ifs6_in_mcast, "\t%ju multicast datagram%s received\n"); 573 p(ifs6_out_mcast, "\t%ju multicast datagram%s sent\n"); 574 575 end: 576 close(s); 577 578#undef p 579#undef p_5 580} 581 582static const char *icmp6names[] = { 583 "#0", 584 "unreach", 585 "packet too big", 586 "time exceed", 587 "parameter problem", 588 "#5", 589 "#6", 590 "#7", 591 "#8", 592 "#9", 593 "#10", 594 "#11", 595 "#12", 596 "#13", 597 "#14", 598 "#15", 599 "#16", 600 "#17", 601 "#18", 602 "#19", 603 "#20", 604 "#21", 605 "#22", 606 "#23", 607 "#24", 608 "#25", 609 "#26", 610 "#27", 611 "#28", 612 "#29", 613 "#30", 614 "#31", 615 "#32", 616 "#33", 617 "#34", 618 "#35", 619 "#36", 620 "#37", 621 "#38", 622 "#39", 623 "#40", 624 "#41", 625 "#42", 626 "#43", 627 "#44", 628 "#45", 629 "#46", 630 "#47", 631 "#48", 632 "#49", 633 "#50", 634 "#51", 635 "#52", 636 "#53", 637 "#54", 638 "#55", 639 "#56", 640 "#57", 641 "#58", 642 "#59", 643 "#60", 644 "#61", 645 "#62", 646 "#63", 647 "#64", 648 "#65", 649 "#66", 650 "#67", 651 "#68", 652 "#69", 653 "#70", 654 "#71", 655 "#72", 656 "#73", 657 "#74", 658 "#75", 659 "#76", 660 "#77", 661 "#78", 662 "#79", 663 "#80", 664 "#81", 665 "#82", 666 "#83", 667 "#84", 668 "#85", 669 "#86", 670 "#87", 671 "#88", 672 "#89", 673 "#80", 674 "#91", 675 "#92", 676 "#93", 677 "#94", 678 "#95", 679 "#96", 680 "#97", 681 "#98", 682 "#99", 683 "#100", 684 "#101", 685 "#102", 686 "#103", 687 "#104", 688 "#105", 689 "#106", 690 "#107", 691 "#108", 692 "#109", 693 "#110", 694 "#111", 695 "#112", 696 "#113", 697 "#114", 698 "#115", 699 "#116", 700 "#117", 701 "#118", 702 "#119", 703 "#120", 704 "#121", 705 "#122", 706 "#123", 707 "#124", 708 "#125", 709 "#126", 710 "#127", 711 "echo", 712 "echo reply", 713 "multicast listener query", 714 "multicast listener report", 715 "multicast listener done", 716 "router solicitation", 717 "router advertisement", 718 "neighbor solicitation", 719 "neighbor advertisement", 720 "redirect", 721 "router renumbering", 722 "node information request", 723 "node information reply", 724 "inverse neighbor solicitation", 725 "inverse neighbor advertisement", 726 "#143", 727 "#144", 728 "#145", 729 "#146", 730 "#147", 731 "#148", 732 "#149", 733 "#150", 734 "#151", 735 "#152", 736 "#153", 737 "#154", 738 "#155", 739 "#156", 740 "#157", 741 "#158", 742 "#159", 743 "#160", 744 "#161", 745 "#162", 746 "#163", 747 "#164", 748 "#165", 749 "#166", 750 "#167", 751 "#168", 752 "#169", 753 "#170", 754 "#171", 755 "#172", 756 "#173", 757 "#174", 758 "#175", 759 "#176", 760 "#177", 761 "#178", 762 "#179", 763 "#180", 764 "#181", 765 "#182", 766 "#183", 767 "#184", 768 "#185", 769 "#186", 770 "#187", 771 "#188", 772 "#189", 773 "#180", 774 "#191", 775 "#192", 776 "#193", 777 "#194", 778 "#195", 779 "#196", 780 "#197", 781 "#198", 782 "#199", 783 "#200", 784 "#201", 785 "#202", 786 "#203", 787 "#204", 788 "#205", 789 "#206", 790 "#207", 791 "#208", 792 "#209", 793 "#210", 794 "#211", 795 "#212", 796 "#213", 797 "#214", 798 "#215", 799 "#216", 800 "#217", 801 "#218", 802 "#219", 803 "#220", 804 "#221", 805 "#222", 806 "#223", 807 "#224", 808 "#225", 809 "#226", 810 "#227", 811 "#228", 812 "#229", 813 "#230", 814 "#231", 815 "#232", 816 "#233", 817 "#234", 818 "#235", 819 "#236", 820 "#237", 821 "#238", 822 "#239", 823 "#240", 824 "#241", 825 "#242", 826 "#243", 827 "#244", 828 "#245", 829 "#246", 830 "#247", 831 "#248", 832 "#249", 833 "#250", 834 "#251", 835 "#252", 836 "#253", 837 "#254", 838 "#255", 839}; 840 841/* 842 * Dump ICMP6 statistics. 843 */ 844void 845icmp6_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 846{ 847 struct icmp6stat icmp6stat; 848 int i, first; 849 size_t len; 850 851 len = sizeof icmp6stat; 852 if (live) { 853 memset(&icmp6stat, 0, len); 854 if (sysctlbyname("net.inet6.icmp6.stats", &icmp6stat, &len, 855 NULL, 0) < 0) { 856 if (errno != ENOENT) 857 warn("sysctl: net.inet6.icmp6.stats"); 858 return; 859 } 860 } else 861 kread(off, &icmp6stat, len); 862 863 printf("%s:\n", name); 864 865#define p(f, m) if (icmp6stat.f || sflag <= 1) \ 866 printf(m, (uintmax_t)icmp6stat.f, plural(icmp6stat.f)) 867#define p_5(f, m) if (icmp6stat.f || sflag <= 1) \ 868 printf(m, (uintmax_t)icmp6stat.f) 869 870 p(icp6s_error, "\t%ju call%s to icmp6_error\n"); 871 p(icp6s_canterror, 872 "\t%ju error%s not generated in response to an icmp6 message\n"); 873 p(icp6s_toofreq, 874 "\t%ju error%s not generated because of rate limitation\n"); 875#define NELEM (int)(sizeof(icmp6stat.icp6s_outhist)/sizeof(icmp6stat.icp6s_outhist[0])) 876 for (first = 1, i = 0; i < NELEM; i++) 877 if (icmp6stat.icp6s_outhist[i] != 0) { 878 if (first) { 879 printf("\tOutput histogram:\n"); 880 first = 0; 881 } 882 printf("\t\t%s: %ju\n", icmp6names[i], 883 (uintmax_t)icmp6stat.icp6s_outhist[i]); 884 } 885#undef NELEM 886 p(icp6s_badcode, "\t%ju message%s with bad code fields\n"); 887 p(icp6s_tooshort, "\t%ju message%s < minimum length\n"); 888 p(icp6s_checksum, "\t%ju bad checksum%s\n"); 889 p(icp6s_badlen, "\t%ju message%s with bad length\n"); 890#define NELEM (int)(sizeof(icmp6stat.icp6s_inhist)/sizeof(icmp6stat.icp6s_inhist[0])) 891 for (first = 1, i = 0; i < NELEM; i++) 892 if (icmp6stat.icp6s_inhist[i] != 0) { 893 if (first) { 894 printf("\tInput histogram:\n"); 895 first = 0; 896 } 897 printf("\t\t%s: %ju\n", icmp6names[i], 898 (uintmax_t)icmp6stat.icp6s_inhist[i]); 899 } 900#undef NELEM 901 printf("\tHistogram of error messages to be generated:\n"); 902 p_5(icp6s_odst_unreach_noroute, "\t\t%ju no route\n"); 903 p_5(icp6s_odst_unreach_admin, "\t\t%ju administratively prohibited\n"); 904 p_5(icp6s_odst_unreach_beyondscope, "\t\t%ju beyond scope\n"); 905 p_5(icp6s_odst_unreach_addr, "\t\t%ju address unreachable\n"); 906 p_5(icp6s_odst_unreach_noport, "\t\t%ju port unreachable\n"); 907 p_5(icp6s_opacket_too_big, "\t\t%ju packet too big\n"); 908 p_5(icp6s_otime_exceed_transit, "\t\t%ju time exceed transit\n"); 909 p_5(icp6s_otime_exceed_reassembly, "\t\t%ju time exceed reassembly\n"); 910 p_5(icp6s_oparamprob_header, "\t\t%ju erroneous header field\n"); 911 p_5(icp6s_oparamprob_nextheader, "\t\t%ju unrecognized next header\n"); 912 p_5(icp6s_oparamprob_option, "\t\t%ju unrecognized option\n"); 913 p_5(icp6s_oredirect, "\t\t%ju redirect\n"); 914 p_5(icp6s_ounknown, "\t\t%ju unknown\n"); 915 916 p(icp6s_reflect, "\t%ju message response%s generated\n"); 917 p(icp6s_nd_toomanyopt, "\t%ju message%s with too many ND options\n"); 918 p(icp6s_nd_badopt, "\t%ju message%s with bad ND options\n"); 919 p(icp6s_badns, "\t%ju bad neighbor solicitation message%s\n"); 920 p(icp6s_badna, "\t%ju bad neighbor advertisement message%s\n"); 921 p(icp6s_badrs, "\t%ju bad router solicitation message%s\n"); 922 p(icp6s_badra, "\t%ju bad router advertisement message%s\n"); 923 p(icp6s_badredirect, "\t%ju bad redirect message%s\n"); 924 p(icp6s_pmtuchg, "\t%ju path MTU change%s\n"); 925#undef p 926#undef p_5 927} 928 929/* 930 * Dump ICMPv6 per-interface statistics based on RFC 2466. 931 */ 932void 933icmp6_ifstats(char *ifname) 934{ 935 struct in6_ifreq ifr; 936 int s; 937#define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 938 printf(m, (uintmax_t)ifr.ifr_ifru.ifru_icmp6stat.f, plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 939#define p2(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 940 printf(m, (uintmax_t)ifr.ifr_ifru.ifru_icmp6stat.f, pluralies(ifr.ifr_ifru.ifru_icmp6stat.f)) 941 942 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 943 perror("Warning: socket(AF_INET6)"); 944 return; 945 } 946 947 strcpy(ifr.ifr_name, ifname); 948 printf("icmp6 on %s:\n", ifr.ifr_name); 949 950 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 951 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 952 goto end; 953 } 954 955 p(ifs6_in_msg, "\t%ju total input message%s\n"); 956 p(ifs6_in_error, "\t%ju total input error message%s\n"); 957 p(ifs6_in_dstunreach, "\t%ju input destination unreachable error%s\n"); 958 p(ifs6_in_adminprohib, "\t%ju input administratively prohibited error%s\n"); 959 p(ifs6_in_timeexceed, "\t%ju input time exceeded error%s\n"); 960 p(ifs6_in_paramprob, "\t%ju input parameter problem error%s\n"); 961 p(ifs6_in_pkttoobig, "\t%ju input packet too big error%s\n"); 962 p(ifs6_in_echo, "\t%ju input echo request%s\n"); 963 p2(ifs6_in_echoreply, "\t%ju input echo repl%s\n"); 964 p(ifs6_in_routersolicit, "\t%ju input router solicitation%s\n"); 965 p(ifs6_in_routeradvert, "\t%ju input router advertisement%s\n"); 966 p(ifs6_in_neighborsolicit, "\t%ju input neighbor solicitation%s\n"); 967 p(ifs6_in_neighboradvert, "\t%ju input neighbor advertisement%s\n"); 968 p(ifs6_in_redirect, "\t%ju input redirect%s\n"); 969 p2(ifs6_in_mldquery, "\t%ju input MLD quer%s\n"); 970 p(ifs6_in_mldreport, "\t%ju input MLD report%s\n"); 971 p(ifs6_in_mlddone, "\t%ju input MLD done%s\n"); 972 973 p(ifs6_out_msg, "\t%ju total output message%s\n"); 974 p(ifs6_out_error, "\t%ju total output error message%s\n"); 975 p(ifs6_out_dstunreach, "\t%ju output destination unreachable error%s\n"); 976 p(ifs6_out_adminprohib, "\t%ju output administratively prohibited error%s\n"); 977 p(ifs6_out_timeexceed, "\t%ju output time exceeded error%s\n"); 978 p(ifs6_out_paramprob, "\t%ju output parameter problem error%s\n"); 979 p(ifs6_out_pkttoobig, "\t%ju output packet too big error%s\n"); 980 p(ifs6_out_echo, "\t%ju output echo request%s\n"); 981 p2(ifs6_out_echoreply, "\t%ju output echo repl%s\n"); 982 p(ifs6_out_routersolicit, "\t%ju output router solicitation%s\n"); 983 p(ifs6_out_routeradvert, "\t%ju output router advertisement%s\n"); 984 p(ifs6_out_neighborsolicit, "\t%ju output neighbor solicitation%s\n"); 985 p(ifs6_out_neighboradvert, "\t%ju output neighbor advertisement%s\n"); 986 p(ifs6_out_redirect, "\t%ju output redirect%s\n"); 987 p2(ifs6_out_mldquery, "\t%ju output MLD quer%s\n"); 988 p(ifs6_out_mldreport, "\t%ju output MLD report%s\n"); 989 p(ifs6_out_mlddone, "\t%ju output MLD done%s\n"); 990 991 end: 992 close(s); 993#undef p 994} 995 996/* 997 * Dump PIM statistics structure. 998 */ 999void 1000pim6_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1001{ 1002 struct pim6stat pim6stat, zerostat; 1003 size_t len = sizeof pim6stat; 1004 1005 if (live) { 1006 if (zflag) 1007 memset(&zerostat, 0, len); 1008 if (sysctlbyname("net.inet6.pim.stats", &pim6stat, &len, 1009 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 1010 if (errno != ENOENT) 1011 warn("sysctl: net.inet6.pim.stats"); 1012 return; 1013 } 1014 } else { 1015 if (off == 0) 1016 return; 1017 kread(off, &pim6stat, len); 1018 } 1019 1020 printf("%s:\n", name); 1021 1022#define p(f, m) if (pim6stat.f || sflag <= 1) \ 1023 printf(m, (uintmax_t)pim6stat.f, plural(pim6stat.f)) 1024 p(pim6s_rcv_total, "\t%ju message%s received\n"); 1025 p(pim6s_rcv_tooshort, "\t%ju message%s received with too few bytes\n"); 1026 p(pim6s_rcv_badsum, "\t%ju message%s received with bad checksum\n"); 1027 p(pim6s_rcv_badversion, "\t%ju message%s received with bad version\n"); 1028 p(pim6s_rcv_registers, "\t%ju register%s received\n"); 1029 p(pim6s_rcv_badregisters, "\t%ju bad register%s received\n"); 1030 p(pim6s_snd_registers, "\t%ju register%s sent\n"); 1031#undef p 1032} 1033 1034/* 1035 * Dump raw ip6 statistics structure. 1036 */ 1037void 1038rip6_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1039{ 1040 struct rip6stat rip6stat; 1041 u_quad_t delivered; 1042 size_t len; 1043 1044 len = sizeof(rip6stat); 1045 if (live) { 1046 if (sysctlbyname("net.inet6.ip6.rip6stats", &rip6stat, &len, 1047 NULL, 0) < 0) { 1048 if (errno != ENOENT) 1049 warn("sysctl: net.inet6.ip6.rip6stats"); 1050 return; 1051 } 1052 } else 1053 kread(off, &rip6stat, len); 1054 1055 printf("%s:\n", name); 1056 1057#define p(f, m) if (rip6stat.f || sflag <= 1) \ 1058 printf(m, (uintmax_t)rip6stat.f, plural(rip6stat.f)) 1059 p(rip6s_ipackets, "\t%ju message%s received\n"); 1060 p(rip6s_isum, "\t%ju checksum calculation%s on inbound\n"); 1061 p(rip6s_badsum, "\t%ju message%s with bad checksum\n"); 1062 p(rip6s_nosock, "\t%ju message%s dropped due to no socket\n"); 1063 p(rip6s_nosockmcast, 1064 "\t%ju multicast message%s dropped due to no socket\n"); 1065 p(rip6s_fullsock, 1066 "\t%ju message%s dropped due to full socket buffers\n"); 1067 delivered = rip6stat.rip6s_ipackets - 1068 rip6stat.rip6s_badsum - 1069 rip6stat.rip6s_nosock - 1070 rip6stat.rip6s_nosockmcast - 1071 rip6stat.rip6s_fullsock; 1072 if (delivered || sflag <= 1) 1073 printf("\t%ju delivered\n", (uintmax_t)delivered); 1074 p(rip6s_opackets, "\t%ju datagram%s output\n"); 1075#undef p 1076} 1077 1078/* 1079 * Pretty print an Internet address (net address + port). 1080 * Take numeric_addr and numeric_port into consideration. 1081 */ 1082#define GETSERVBYPORT6(port, proto, ret)\ 1083{\ 1084 if (strcmp((proto), "tcp6") == 0)\ 1085 (ret) = getservbyport((int)(port), "tcp");\ 1086 else if (strcmp((proto), "udp6") == 0)\ 1087 (ret) = getservbyport((int)(port), "udp");\ 1088 else\ 1089 (ret) = getservbyport((int)(port), (proto));\ 1090}; 1091 1092void 1093inet6print(struct in6_addr *in6, int port, const char *proto, int numeric) 1094{ 1095 struct servent *sp = 0; 1096 char line[80], *cp; 1097 int width; 1098 1099 sprintf(line, "%.*s.", Wflag ? 39 : 1100 (Aflag && !numeric) ? 12 : 16, inet6name(in6)); 1101 cp = index(line, '\0'); 1102 if (!numeric && port) 1103 GETSERVBYPORT6(port, proto, sp); 1104 if (sp || port == 0) 1105 sprintf(cp, "%.15s", sp ? sp->s_name : "*"); 1106 else 1107 sprintf(cp, "%d", ntohs((u_short)port)); 1108 width = Wflag ? 45 : Aflag ? 18 : 22; 1109 printf("%-*.*s ", width, width, line); 1110} 1111 1112/* 1113 * Construct an Internet address representation. 1114 * If the numeric_addr has been supplied, give 1115 * numeric value, otherwise try for symbolic name. 1116 */ 1117 1118char * 1119inet6name(struct in6_addr *in6p) 1120{ 1121 char *cp; 1122 static char line[50]; 1123 struct hostent *hp; 1124 static char domain[MAXHOSTNAMELEN]; 1125 static int first = 1; 1126 1127 if (first && !numeric_addr) { 1128 first = 0; 1129 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1130 (cp = index(domain, '.'))) 1131 (void) strcpy(domain, cp + 1); 1132 else 1133 domain[0] = 0; 1134 } 1135 cp = 0; 1136 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1137 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 1138 if (hp) { 1139 if ((cp = index(hp->h_name, '.')) && 1140 !strcmp(cp + 1, domain)) 1141 *cp = 0; 1142 cp = hp->h_name; 1143 } 1144 } 1145 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1146 strcpy(line, "*"); 1147 else if (cp) 1148 strcpy(line, cp); 1149 else 1150 sprintf(line, "%s", 1151 inet_ntop(AF_INET6, (void *)in6p, ntop_buf, 1152 sizeof(ntop_buf))); 1153 return (line); 1154} 1155#endif /*INET6*/ 1156