inet6.c revision 63022
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 * $FreeBSD: head/usr.bin/netstat/inet6.c 63022 2000-07-12 16:13:02Z itojun $ 35 */ 36 37#ifndef lint 38/* 39static char sccsid[] = "@(#)inet6.c 8.4 (Berkeley) 4/20/94"; 40*/ 41#endif /* not lint */ 42 43#include <sys/param.h> 44#include <sys/socket.h> 45#include <sys/socketvar.h> 46#include <sys/ioctl.h> 47#include <sys/mbuf.h> 48#include <sys/protosw.h> 49 50#include <net/route.h> 51#include <net/if.h> 52#include <net/if_var.h> 53#include <netinet/in.h> 54#include <netinet/ip6.h> 55#include <netinet/icmp6.h> 56#include <netinet/in_systm.h> 57#include <netinet6/in6_pcb.h> 58#include <netinet6/in6_var.h> 59#include <netinet6/ip6_var.h> 60#include <netinet6/pim6_var.h> 61 62#include <arpa/inet.h> 63#include <netdb.h> 64 65#include <stdio.h> 66#include <string.h> 67#include <unistd.h> 68#include "netstat.h" 69 70struct socket sockb; 71 72char *inet6name __P((struct in6_addr *)); 73void inet6print __P((struct in6_addr *, int, char *, int)); 74 75static char ntop_buf[INET6_ADDRSTRLEN]; 76 77static char *ip6nh[] = { 78 "hop by hop", 79 "ICMP", 80 "IGMP", 81 "#3", 82 "IP", 83 "#5", 84 "TCP", 85 "#7", 86 "#8", 87 "#9", 88 "#10", 89 "#11", 90 "#12", 91 "#13", 92 "#14", 93 "#15", 94 "#16", 95 "UDP", 96 "#18", 97 "#19", 98 "#20", 99 "#21", 100 "IDP", 101 "#23", 102 "#24", 103 "#25", 104 "#26", 105 "#27", 106 "#28", 107 "TP", 108 "#30", 109 "#31", 110 "#32", 111 "#33", 112 "#34", 113 "#35", 114 "#36", 115 "#37", 116 "#38", 117 "#39", 118 "#40", 119 "IP6", 120 "#42", 121 "routing", 122 "fragment", 123 "#45", 124 "#46", 125 "#47", 126 "#48", 127 "#49", 128 "ESP", 129 "AH", 130 "#52", 131 "#53", 132 "#54", 133 "#55", 134 "#56", 135 "#57", 136 "ICMP6", 137 "no next header", 138 "destination option", 139 "#61", 140 "#62", 141 "#63", 142 "#64", 143 "#65", 144 "#66", 145 "#67", 146 "#68", 147 "#69", 148 "#70", 149 "#71", 150 "#72", 151 "#73", 152 "#74", 153 "#75", 154 "#76", 155 "#77", 156 "#78", 157 "#79", 158 "ISOIP", 159 "#81", 160 "#82", 161 "#83", 162 "#84", 163 "#85", 164 "#86", 165 "#87", 166 "#88", 167 "OSPF", 168 "#80", 169 "#91", 170 "#92", 171 "#93", 172 "#94", 173 "#95", 174 "#96", 175 "Ethernet", 176 "#98", 177 "#99", 178 "#100", 179 "#101", 180 "#102", 181 "PIM", 182 "#104", 183 "#105", 184 "#106", 185 "#107", 186 "#108", 187 "#109", 188 "#110", 189 "#111", 190 "#112", 191 "#113", 192 "#114", 193 "#115", 194 "#116", 195 "#117", 196 "#118", 197 "#119", 198 "#120", 199 "#121", 200 "#122", 201 "#123", 202 "#124", 203 "#125", 204 "#126", 205 "#127", 206 "#128", 207 "#129", 208 "#130", 209 "#131", 210 "#132", 211 "#133", 212 "#134", 213 "#135", 214 "#136", 215 "#137", 216 "#138", 217 "#139", 218 "#140", 219 "#141", 220 "#142", 221 "#143", 222 "#144", 223 "#145", 224 "#146", 225 "#147", 226 "#148", 227 "#149", 228 "#150", 229 "#151", 230 "#152", 231 "#153", 232 "#154", 233 "#155", 234 "#156", 235 "#157", 236 "#158", 237 "#159", 238 "#160", 239 "#161", 240 "#162", 241 "#163", 242 "#164", 243 "#165", 244 "#166", 245 "#167", 246 "#168", 247 "#169", 248 "#170", 249 "#171", 250 "#172", 251 "#173", 252 "#174", 253 "#175", 254 "#176", 255 "#177", 256 "#178", 257 "#179", 258 "#180", 259 "#181", 260 "#182", 261 "#183", 262 "#184", 263 "#185", 264 "#186", 265 "#187", 266 "#188", 267 "#189", 268 "#180", 269 "#191", 270 "#192", 271 "#193", 272 "#194", 273 "#195", 274 "#196", 275 "#197", 276 "#198", 277 "#199", 278 "#200", 279 "#201", 280 "#202", 281 "#203", 282 "#204", 283 "#205", 284 "#206", 285 "#207", 286 "#208", 287 "#209", 288 "#210", 289 "#211", 290 "#212", 291 "#213", 292 "#214", 293 "#215", 294 "#216", 295 "#217", 296 "#218", 297 "#219", 298 "#220", 299 "#221", 300 "#222", 301 "#223", 302 "#224", 303 "#225", 304 "#226", 305 "#227", 306 "#228", 307 "#229", 308 "#230", 309 "#231", 310 "#232", 311 "#233", 312 "#234", 313 "#235", 314 "#236", 315 "#237", 316 "#238", 317 "#239", 318 "#240", 319 "#241", 320 "#242", 321 "#243", 322 "#244", 323 "#245", 324 "#246", 325 "#247", 326 "#248", 327 "#249", 328 "#250", 329 "#251", 330 "#252", 331 "#253", 332 "#254", 333 "#255", 334}; 335 336/* 337 * Dump IP6 statistics structure. 338 */ 339void 340ip6_stats(off, name) 341 u_long off; 342 char *name; 343{ 344 struct ip6stat ip6stat; 345 int first, i; 346 347 if (off == 0) 348 return; 349 350 kread(off, (char *)&ip6stat, sizeof (ip6stat)); 351 printf("%s:\n", name); 352 353#define p(f, m) if (ip6stat.f || sflag <= 1) \ 354 printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f)) 355#define p1a(f, m) if (ip6stat.f || sflag <= 1) \ 356 printf(m, (unsigned long long)ip6stat.f) 357 358 p(ip6s_total, "\t%llu total packet%s received\n"); 359 p1a(ip6s_toosmall, "\t%llu with size smaller than minimum\n"); 360 p1a(ip6s_tooshort, "\t%llu with data size < data length\n"); 361 p1a(ip6s_badoptions, "\t%llu with bad options\n"); 362 p1a(ip6s_badvers, "\t%llu with incorrect version number\n"); 363 p(ip6s_fragments, "\t%llu fragment%s received\n"); 364 p(ip6s_fragdropped, "\t%llu fragment%s dropped (dup or out of space)\n"); 365 p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n"); 366 p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n"); 367 p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n"); 368 p(ip6s_delivered, "\t%llu packet%s for this host\n"); 369 p(ip6s_forward, "\t%llu packet%s forwarded\n"); 370 p(ip6s_cantforward, "\t%llu packet%s not forwardable\n"); 371 p(ip6s_redirectsent, "\t%llu redirect%s sent\n"); 372 p(ip6s_localout, "\t%llu packet%s sent from this host\n"); 373 p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n"); 374 p(ip6s_odropped, "\t%llu output packet%s dropped due to no bufs, etc.\n"); 375 p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n"); 376 p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n"); 377 p(ip6s_ofragments, "\t%llu fragment%s created\n"); 378 p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n"); 379 p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n"); 380 p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n"); 381 for (first = 1, i = 0; i < 256; i++) 382 if (ip6stat.ip6s_nxthist[i] != 0) { 383 if (first) { 384 printf("\tInput histogram:\n"); 385 first = 0; 386 } 387 printf("\t\t%s: %llu\n", ip6nh[i], 388 (unsigned long long)ip6stat.ip6s_nxthist[i]); 389 } 390 printf("\tMbuf statistics:\n"); 391 printf("\t\t%llu one mbuf\n", (unsigned long long)ip6stat.ip6s_m1); 392 for (first = 1, i = 0; i < 32; i++) { 393 char ifbuf[IFNAMSIZ]; 394 if (ip6stat.ip6s_m2m[i] != 0) { 395 if (first) { 396 printf("\t\ttwo or more mbuf:\n"); 397 first = 0; 398 } 399 printf("\t\t\t%s= %llu\n", 400 if_indextoname(i, ifbuf), 401 (unsigned long long)ip6stat.ip6s_m2m[i]); 402 } 403 } 404 printf("\t\t%llu one ext mbuf\n", 405 (unsigned long long)ip6stat.ip6s_mext1); 406 printf("\t\t%llu two or more ext mbuf\n", 407 (unsigned long long)ip6stat.ip6s_mext2m); 408 p(ip6s_exthdrtoolong, 409 "\t%llu packet%s whose headers are not continuous\n"); 410 p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n"); 411 p(ip6s_toomanyhdr, 412 "\t%llu packet%s discarded due to too may headers\n"); 413 414 /* for debugging source address selection */ 415#define PRINT_SCOPESTAT(s,i) do {\ 416 switch(i) { /* XXX hardcoding in each case */\ 417 case 1:\ 418 p(s, "\t\t%llu node-local%s\n");\ 419 break;\ 420 case 2:\ 421 p(s,"\t\t%llu link-local%s\n");\ 422 break;\ 423 case 5:\ 424 p(s,"\t\t%llu site-local%s\n");\ 425 break;\ 426 case 14:\ 427 p(s,"\t\t%llu global%s\n");\ 428 break;\ 429 default:\ 430 printf("\t\t%llu addresses scope=%x\n",\ 431 (unsigned long long)ip6stat.s, i);\ 432 }\ 433 } while (0); 434 435 p(ip6s_sources_none, 436 "\t%llu failure%s of source address selection\n"); 437 for (first = 1, i = 0; i < 16; i++) { 438 if (ip6stat.ip6s_sources_sameif[i]) { 439 if (first) { 440 printf("\tsource addresses on an outgoing I/F\n"); 441 first = 0; 442 } 443 PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); 444 } 445 } 446 for (first = 1, i = 0; i < 16; i++) { 447 if (ip6stat.ip6s_sources_otherif[i]) { 448 if (first) { 449 printf("\tsource addresses on a non-outgoing I/F\n"); 450 first = 0; 451 } 452 PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); 453 } 454 } 455 for (first = 1, i = 0; i < 16; i++) { 456 if (ip6stat.ip6s_sources_samescope[i]) { 457 if (first) { 458 printf("\tsource addresses of same scope\n"); 459 first = 0; 460 } 461 PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); 462 } 463 } 464 for (first = 1, i = 0; i < 16; i++) { 465 if (ip6stat.ip6s_sources_otherscope[i]) { 466 if (first) { 467 printf("\tsource addresses of a different scope\n"); 468 first = 0; 469 } 470 PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); 471 } 472 } 473 for (first = 1, i = 0; i < 16; i++) { 474 if (ip6stat.ip6s_sources_deprecated[i]) { 475 if (first) { 476 printf("\tdeprecated source addresses\n"); 477 first = 0; 478 } 479 PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); 480 } 481 } 482 483 p1a(ip6s_forward_cachehit, "\t%llu forward cache hit\n"); 484 p1a(ip6s_forward_cachemiss, "\t%llu forward cache miss\n"); 485#undef p 486#undef p1a 487} 488 489/* 490 * Dump IPv6 per-interface statistics based on RFC 2465. 491 */ 492void 493ip6_ifstats(ifname) 494 char *ifname; 495{ 496 struct in6_ifreq ifr; 497 int s; 498#define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 499 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, plural(ifr.ifr_ifru.ifru_stat.f)) 500#define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 501 printf(m, (unsigned long long)ip6stat.f) 502 503 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 504 perror("Warning: socket(AF_INET6)"); 505 return; 506 } 507 508 strcpy(ifr.ifr_name, ifname); 509 printf("ip6 on %s:\n", ifr.ifr_name); 510 511 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 512 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 513 goto end; 514 } 515 516 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 517 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 518 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 519 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 520 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 521 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 522 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 523 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 524 p(ifs6_in_deliver, 525 "\t%llu datagram%s delivered to an upper layer protocol\n"); 526 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 527 p(ifs6_out_request, 528 "\t%llu datagram%s sent from an upper layer protocol\n"); 529 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 530 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 531 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 532 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 533 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 534 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 535 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 536 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 537 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 538 539 end: 540 close(s); 541 542#undef p 543#undef p_5 544} 545 546static char *icmp6names[] = { 547 "#0", 548 "unreach", 549 "packet too big", 550 "time exceed", 551 "parameter problem", 552 "#5", 553 "#6", 554 "#7", 555 "#8", 556 "#9", 557 "#10", 558 "#11", 559 "#12", 560 "#13", 561 "#14", 562 "#15", 563 "#16", 564 "#17", 565 "#18", 566 "#19", 567 "#20", 568 "#21", 569 "#22", 570 "#23", 571 "#24", 572 "#25", 573 "#26", 574 "#27", 575 "#28", 576 "#29", 577 "#30", 578 "#31", 579 "#32", 580 "#33", 581 "#34", 582 "#35", 583 "#36", 584 "#37", 585 "#38", 586 "#39", 587 "#40", 588 "#41", 589 "#42", 590 "#43", 591 "#44", 592 "#45", 593 "#46", 594 "#47", 595 "#48", 596 "#49", 597 "#50", 598 "#51", 599 "#52", 600 "#53", 601 "#54", 602 "#55", 603 "#56", 604 "#57", 605 "#58", 606 "#59", 607 "#60", 608 "#61", 609 "#62", 610 "#63", 611 "#64", 612 "#65", 613 "#66", 614 "#67", 615 "#68", 616 "#69", 617 "#70", 618 "#71", 619 "#72", 620 "#73", 621 "#74", 622 "#75", 623 "#76", 624 "#77", 625 "#78", 626 "#79", 627 "#80", 628 "#81", 629 "#82", 630 "#83", 631 "#84", 632 "#85", 633 "#86", 634 "#87", 635 "#88", 636 "#89", 637 "#80", 638 "#91", 639 "#92", 640 "#93", 641 "#94", 642 "#95", 643 "#96", 644 "#97", 645 "#98", 646 "#99", 647 "#100", 648 "#101", 649 "#102", 650 "#103", 651 "#104", 652 "#105", 653 "#106", 654 "#107", 655 "#108", 656 "#109", 657 "#110", 658 "#111", 659 "#112", 660 "#113", 661 "#114", 662 "#115", 663 "#116", 664 "#117", 665 "#118", 666 "#119", 667 "#120", 668 "#121", 669 "#122", 670 "#123", 671 "#124", 672 "#125", 673 "#126", 674 "#127", 675 "echo", 676 "echo reply", 677 "multicast listener query", 678 "multicast listener report", 679 "multicast listener done", 680 "router solicitation", 681 "router advertisment", 682 "neighbor solicitation", 683 "neighbor advertisment", 684 "redirect", 685 "router renumbering", 686 "node information request", 687 "node information reply", 688 "#141", 689 "#142", 690 "#143", 691 "#144", 692 "#145", 693 "#146", 694 "#147", 695 "#148", 696 "#149", 697 "#150", 698 "#151", 699 "#152", 700 "#153", 701 "#154", 702 "#155", 703 "#156", 704 "#157", 705 "#158", 706 "#159", 707 "#160", 708 "#161", 709 "#162", 710 "#163", 711 "#164", 712 "#165", 713 "#166", 714 "#167", 715 "#168", 716 "#169", 717 "#170", 718 "#171", 719 "#172", 720 "#173", 721 "#174", 722 "#175", 723 "#176", 724 "#177", 725 "#178", 726 "#179", 727 "#180", 728 "#181", 729 "#182", 730 "#183", 731 "#184", 732 "#185", 733 "#186", 734 "#187", 735 "#188", 736 "#189", 737 "#180", 738 "#191", 739 "#192", 740 "#193", 741 "#194", 742 "#195", 743 "#196", 744 "#197", 745 "#198", 746 "#199", 747 "#200", 748 "#201", 749 "#202", 750 "#203", 751 "#204", 752 "#205", 753 "#206", 754 "#207", 755 "#208", 756 "#209", 757 "#210", 758 "#211", 759 "#212", 760 "#213", 761 "#214", 762 "#215", 763 "#216", 764 "#217", 765 "#218", 766 "#219", 767 "#220", 768 "#221", 769 "#222", 770 "#223", 771 "#224", 772 "#225", 773 "#226", 774 "#227", 775 "#228", 776 "#229", 777 "#230", 778 "#231", 779 "#232", 780 "#233", 781 "#234", 782 "#235", 783 "#236", 784 "#237", 785 "#238", 786 "#239", 787 "#240", 788 "#241", 789 "#242", 790 "#243", 791 "#244", 792 "#245", 793 "#246", 794 "#247", 795 "#248", 796 "#249", 797 "#250", 798 "#251", 799 "#252", 800 "#253", 801 "#254", 802 "#255", 803}; 804 805/* 806 * Dump ICMP6 statistics. 807 */ 808void 809icmp6_stats(off, name) 810 u_long off; 811 char *name; 812{ 813 struct icmp6stat icmp6stat; 814 register int i, first; 815 816 if (off == 0) 817 return; 818 kread(off, (char *)&icmp6stat, sizeof (icmp6stat)); 819 printf("%s:\n", name); 820 821#define p(f, m) if (icmp6stat.f || sflag <= 1) \ 822 printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f)) 823#define p_5(f, m) printf(m, (unsigned long long)icmp6stat.f) 824 825 p(icp6s_error, "\t%llu call%s to icmp_error\n"); 826 p(icp6s_canterror, 827 "\t%llu error%s not generated because old message was icmp error or so\n"); 828 p(icp6s_toofreq, 829 "\t%llu error%s not generated because rate limitation\n"); 830 for (first = 1, i = 0; i < 256; i++) 831 if (icmp6stat.icp6s_outhist[i] != 0) { 832 if (first) { 833 printf("\tOutput histogram:\n"); 834 first = 0; 835 } 836 printf("\t\t%s: %llu\n", icmp6names[i], 837 (unsigned long long)icmp6stat.icp6s_outhist[i]); 838 } 839 p(icp6s_badcode, "\t%llu message%s with bad code fields\n"); 840 p(icp6s_tooshort, "\t%llu message%s < minimum length\n"); 841 p(icp6s_checksum, "\t%llu bad checksum%s\n"); 842 p(icp6s_badlen, "\t%llu message%s with bad length\n"); 843 for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) 844 if (icmp6stat.icp6s_inhist[i] != 0) { 845 if (first) { 846 printf("\tInput histogram:\n"); 847 first = 0; 848 } 849 printf("\t\t%s: %llu\n", icmp6names[i], 850 (unsigned long long)icmp6stat.icp6s_inhist[i]); 851 } 852 printf("\tHistgram of error messages to be generated:\n"); 853 p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n"); 854 p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n"); 855 p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n"); 856 p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n"); 857 p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n"); 858 p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n"); 859 p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n"); 860 p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n"); 861 p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n"); 862 p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n"); 863 p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n"); 864 p_5(icp6s_oredirect, "\t\t%llu redirect\n"); 865 p_5(icp6s_ounknown, "\t\t%llu unknown\n"); 866 867 p(icp6s_reflect, "\t%llu message response%s generated\n"); 868 p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n"); 869#undef p 870#undef p_5 871} 872 873/* 874 * Dump ICMPv6 per-interface statistics based on RFC 2466. 875 */ 876void 877icmp6_ifstats(ifname) 878 char *ifname; 879{ 880 struct in6_ifreq ifr; 881 int s; 882#define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 883 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 884 885 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 886 perror("Warning: socket(AF_INET6)"); 887 return; 888 } 889 890 strcpy(ifr.ifr_name, ifname); 891 printf("icmp6 on %s:\n", ifr.ifr_name); 892 893 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 894 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 895 goto end; 896 } 897 898 p(ifs6_in_msg, "\t%llu total input message%s\n"); 899 p(ifs6_in_error, "\t%llu total input error message%s\n"); 900 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 901 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 902 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 903 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 904 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 905 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 906 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 907 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 908 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 909 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 910 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 911 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 912 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 913 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 914 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 915 916 p(ifs6_out_msg, "\t%llu total output message%s\n"); 917 p(ifs6_out_error, "\t%llu total output error message%s\n"); 918 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 919 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 920 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 921 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 922 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 923 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 924 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 925 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 926 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 927 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 928 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 929 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 930 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 931 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 932 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 933 934 end: 935 close(s); 936#undef p 937} 938 939/* 940 * Dump PIM statistics structure. 941 */ 942void 943pim6_stats(off, name) 944 u_long off; 945 char *name; 946{ 947 struct pim6stat pim6stat; 948 949 if (off == 0) 950 return; 951 kread(off, (char *)&pim6stat, sizeof(pim6stat)); 952 printf("%s:\n", name); 953 954#define p(f, m) if (pim6stat.f || sflag <= 1) \ 955 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f)) 956 p(pim6s_rcv_total, "\t%llu message%s received\n"); 957 p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n"); 958 p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n"); 959 p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n"); 960 p(pim6s_rcv_registers, "\t%llu register%s received\n"); 961 p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n"); 962 p(pim6s_snd_registers, "\t%llu register%s sent\n"); 963#undef p 964} 965 966/* 967 * Pretty print an Internet address (net address + port). 968 * If the nflag was specified, use numbers instead of names. 969 */ 970#define GETSERVBYPORT6(port, proto, ret)\ 971{\ 972 if (strcmp((proto), "tcp6") == 0)\ 973 (ret) = getservbyport((int)(port), "tcp");\ 974 else if (strcmp((proto), "udp6") == 0)\ 975 (ret) = getservbyport((int)(port), "udp");\ 976 else\ 977 (ret) = getservbyport((int)(port), (proto));\ 978}; 979 980void 981inet6print(in6, port, proto, numeric) 982 register struct in6_addr *in6; 983 int port; 984 char *proto; 985 int numeric; 986{ 987 struct servent *sp = 0; 988 char line[80], *cp; 989 int width; 990 991 sprintf(line, "%.*s.", lflag ? 39 : 992 (Aflag && !numeric) ? 12 : 16, inet6name(in6)); 993 cp = index(line, '\0'); 994 if (!numeric && port) 995 GETSERVBYPORT6(port, proto, sp); 996 if (sp || port == 0) 997 sprintf(cp, "%.8s", sp ? sp->s_name : "*"); 998 else 999 sprintf(cp, "%d", ntohs((u_short)port)); 1000 width = lflag ? 45 : Aflag ? 18 : 22; 1001 printf("%-*.*s ", width, width, line); 1002} 1003 1004/* 1005 * Construct an Internet address representation. 1006 * If the nflag has been supplied, give 1007 * numeric value, otherwise try for symbolic name. 1008 */ 1009 1010char * 1011inet6name(in6p) 1012 struct in6_addr *in6p; 1013{ 1014 register char *cp; 1015 static char line[50]; 1016 struct hostent *hp; 1017 static char domain[MAXHOSTNAMELEN + 1]; 1018 static int first = 1; 1019 1020 if (first && !nflag) { 1021 first = 0; 1022 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1023 (cp = index(domain, '.'))) 1024 (void) strcpy(domain, cp + 1); 1025 else 1026 domain[0] = 0; 1027 } 1028 cp = 0; 1029 if (!nflag && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1030 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 1031 if (hp) { 1032 if ((cp = index(hp->h_name, '.')) && 1033 !strcmp(cp + 1, domain)) 1034 *cp = 0; 1035 cp = hp->h_name; 1036 } 1037 } 1038 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1039 strcpy(line, "*"); 1040 else if (cp) 1041 strcpy(line, cp); 1042 else 1043 sprintf(line, "%s", 1044 inet_ntop(AF_INET6, (void *)in6p, ntop_buf, 1045 sizeof(ntop_buf))); 1046 return (line); 1047} 1048