1 /* $OpenBSD: inet6.c,v 1.30 2003/11/06 06:18:20 itojun Exp $ */ 2 /* BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp */ 3 /* 4 * Copyright (c) 1983, 1988, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)inet.c 8.4 (Berkeley) 4/20/94"; 36 #else 37 /*__RCSID("$OpenBSD: inet6.c,v 1.30 2003/11/06 06:18:20 itojun Exp $");*/ 38 /*__RCSID("KAME Id: inet6.c,v 1.10 2000/02/09 10:49:31 itojun Exp");*/ 39 #endif 40 #endif /* not lint */ 41 42 #include <sys/param.h> 43 #include <sys/socket.h> 44 #include <sys/socketvar.h> 45 #include <sys/ioctl.h> 46 #include <sys/mbuf.h> 47 #include <sys/protosw.h> 48 49 #include <net/route.h> 50 #include <net/if.h> 51 #include <netinet/in.h> 52 #include <netinet/ip6.h> 53 #include <netinet/icmp6.h> 54 #include <netinet/in_systm.h> 55 #ifndef TCP6 56 #include <netinet/ip.h> 57 #include <netinet/ip_var.h> 58 #endif 59 #include <netinet6/ip6_var.h> 60 #include <netinet6/in6_var.h> 61 #include <netinet6/pim6_var.h> 62 #include <netinet6/raw_ip6.h> 63 64 #include <arpa/inet.h> 65 #if 0 66 #include "gethostbyname2.h" 67 #endif 68 #include <netdb.h> 69 70 #include <stdio.h> 71 #include <string.h> 72 #include <unistd.h> 73 #include "netstat.h" 74 75 #ifdef INET6 76 77 struct socket sockb; 78 79 char *inet6name(struct in6_addr *); 80 void inet6print(struct in6_addr *, int, char *); 81 82 static char *ip6nh[] = { 83 "hop by hop", 84 "ICMP", 85 "IGMP", 86 "#3", 87 "IP", 88 "#5", 89 "TCP", 90 "#7", 91 "#8", 92 "#9", 93 "#10", 94 "#11", 95 "#12", 96 "#13", 97 "#14", 98 "#15", 99 "#16", 100 "UDP", 101 "#18", 102 "#19", 103 "#20", 104 "#21", 105 "IDP", 106 "#23", 107 "#24", 108 "#25", 109 "#26", 110 "#27", 111 "#28", 112 "TP", 113 "#30", 114 "#31", 115 "#32", 116 "#33", 117 "#34", 118 "#35", 119 "#36", 120 "#37", 121 "#38", 122 "#39", 123 "#40", 124 "IP6", 125 "#42", 126 "routing", 127 "fragment", 128 "#45", 129 "#46", 130 "#47", 131 "#48", 132 "#49", 133 "ESP", 134 "AH", 135 "#52", 136 "#53", 137 "#54", 138 "#55", 139 "#56", 140 "#57", 141 "ICMP6", 142 "no next header", 143 "destination option", 144 "#61", 145 "#62", 146 "#63", 147 "#64", 148 "#65", 149 "#66", 150 "#67", 151 "#68", 152 "#69", 153 "#70", 154 "#71", 155 "#72", 156 "#73", 157 "#74", 158 "#75", 159 "#76", 160 "#77", 161 "#78", 162 "#79", 163 "ISOIP", 164 "#81", 165 "#82", 166 "#83", 167 "#84", 168 "#85", 169 "#86", 170 "#87", 171 "#88", 172 "OSPF", 173 "#80", 174 "#91", 175 "#92", 176 "#93", 177 "#94", 178 "#95", 179 "#96", 180 "Ethernet", 181 "#98", 182 "#99", 183 "#100", 184 "#101", 185 "#102", 186 "PIM", 187 "#104", 188 "#105", 189 "#106", 190 "#107", 191 "#108", 192 "#109", 193 "#110", 194 "#111", 195 "#112", 196 "#113", 197 "#114", 198 "#115", 199 "#116", 200 "#117", 201 "#118", 202 "#119", 203 "#120", 204 "#121", 205 "#122", 206 "#123", 207 "#124", 208 "#125", 209 "#126", 210 "#127", 211 "#128", 212 "#129", 213 "#130", 214 "#131", 215 "#132", 216 "#133", 217 "#134", 218 "#135", 219 "#136", 220 "#137", 221 "#138", 222 "#139", 223 "#140", 224 "#141", 225 "#142", 226 "#143", 227 "#144", 228 "#145", 229 "#146", 230 "#147", 231 "#148", 232 "#149", 233 "#150", 234 "#151", 235 "#152", 236 "#153", 237 "#154", 238 "#155", 239 "#156", 240 "#157", 241 "#158", 242 "#159", 243 "#160", 244 "#161", 245 "#162", 246 "#163", 247 "#164", 248 "#165", 249 "#166", 250 "#167", 251 "#168", 252 "#169", 253 "#170", 254 "#171", 255 "#172", 256 "#173", 257 "#174", 258 "#175", 259 "#176", 260 "#177", 261 "#178", 262 "#179", 263 "#180", 264 "#181", 265 "#182", 266 "#183", 267 "#184", 268 "#185", 269 "#186", 270 "#187", 271 "#188", 272 "#189", 273 "#180", 274 "#191", 275 "#192", 276 "#193", 277 "#194", 278 "#195", 279 "#196", 280 "#197", 281 "#198", 282 "#199", 283 "#200", 284 "#201", 285 "#202", 286 "#203", 287 "#204", 288 "#205", 289 "#206", 290 "#207", 291 "#208", 292 "#209", 293 "#210", 294 "#211", 295 "#212", 296 "#213", 297 "#214", 298 "#215", 299 "#216", 300 "#217", 301 "#218", 302 "#219", 303 "#220", 304 "#221", 305 "#222", 306 "#223", 307 "#224", 308 "#225", 309 "#226", 310 "#227", 311 "#228", 312 "#229", 313 "#230", 314 "#231", 315 "#232", 316 "#233", 317 "#234", 318 "#235", 319 "#236", 320 "#237", 321 "#238", 322 "#239", 323 "#240", 324 "#241", 325 "#242", 326 "#243", 327 "#244", 328 "#245", 329 "#246", 330 "#247", 331 "#248", 332 "#249", 333 "#250", 334 "#251", 335 "#252", 336 "#253", 337 "#254", 338 "#255", 339 }; 340 341 /* 342 * Dump IP6 statistics structure. 343 */ 344 void 345 ip6_stats(u_long off, char *name) 346 { 347 struct ip6stat ip6stat; 348 int first, i; 349 struct protoent *ep; 350 const char *n; 351 352 if (off == 0) 353 return; 354 355 kread(off, (char *)&ip6stat, sizeof (ip6stat)); 356 printf("%s:\n", name); 357 358 #define p(f, m) if (ip6stat.f || sflag <= 1) \ 359 printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f)) 360 #define p1(f, m) if (ip6stat.f || sflag <= 1) \ 361 printf(m, (unsigned long long)ip6stat.f) 362 363 p(ip6s_total, "\t%llu total packet%s received\n"); 364 p1(ip6s_toosmall, "\t%llu with size smaller than minimum\n"); 365 p1(ip6s_tooshort, "\t%llu with data size < data length\n"); 366 p1(ip6s_badoptions, "\t%llu with bad options\n"); 367 p1(ip6s_badvers, "\t%llu with incorrect version number\n"); 368 p(ip6s_fragments, "\t%llu fragment%s received\n"); 369 p(ip6s_fragdropped, 370 "\t%llu fragment%s dropped (duplicates or out of space)\n"); 371 p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n"); 372 p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n"); 373 p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n"); 374 p(ip6s_delivered, "\t%llu packet%s for this host\n"); 375 p(ip6s_forward, "\t%llu packet%s forwarded\n"); 376 p(ip6s_cantforward, "\t%llu packet%s not forwardable\n"); 377 p(ip6s_redirectsent, "\t%llu redirect%s sent\n"); 378 p(ip6s_localout, "\t%llu packet%s sent from this host\n"); 379 p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n"); 380 p(ip6s_odropped, 381 "\t%llu output packet%s dropped due to no bufs, etc.\n"); 382 p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n"); 383 p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n"); 384 p(ip6s_ofragments, "\t%llu fragment%s created\n"); 385 p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n"); 386 p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n"); 387 p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n"); 388 for (first = 1, i = 0; i < 256; i++) 389 if (ip6stat.ip6s_nxthist[i] != 0) { 390 if (first) { 391 printf("\tInput packet histogram:\n"); 392 first = 0; 393 } 394 n = NULL; 395 if (ip6nh[i]) 396 n = ip6nh[i]; 397 else if ((ep = getprotobynumber(i)) != NULL) 398 n = ep->p_name; 399 if (n) 400 printf("\t\t%s: %llu\n", n, 401 (unsigned long long)ip6stat.ip6s_nxthist[i]); 402 else 403 printf("\t\t#%d: %llu\n", i, 404 (unsigned long long)ip6stat.ip6s_nxthist[i]); 405 } 406 printf("\tMbuf statistics:\n"); 407 p(ip6s_m1, "\t\t%llu one mbuf%s\n"); 408 for (first = 1, i = 0; i < 32; i++) { 409 char ifbuf[IFNAMSIZ]; 410 if (ip6stat.ip6s_m2m[i] != 0) { 411 if (first) { 412 printf("\t\ttwo or more mbuf:\n"); 413 first = 0; 414 } 415 printf("\t\t\t%s = %llu\n", 416 if_indextoname(i, ifbuf), 417 (unsigned long long)ip6stat.ip6s_m2m[i]); 418 } 419 } 420 p(ip6s_mext1, "\t\t%llu one ext mbuf%s\n"); 421 p(ip6s_mext2m, "\t\t%llu two or more ext mbuf%s\n"); 422 p(ip6s_exthdrtoolong, 423 "\t%llu packet%s whose headers are not continuous\n"); 424 p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n"); 425 p(ip6s_toomanyhdr, 426 "\t%llu packet%s discarded due to too many headers\n"); 427 428 /* for debugging source address selection */ 429 #define PRINT_SCOPESTAT(s,i) do {\ 430 switch(i) { /* XXX hardcoding in each case */\ 431 case 1:\ 432 p(s, "\t\t%llu node-local%s\n");\ 433 break;\ 434 case 2:\ 435 p(s, "\t\t%llu link-local%s\n");\ 436 break;\ 437 case 5:\ 438 p(s, "\t\t%llu site-local%s\n");\ 439 break;\ 440 case 14:\ 441 p(s, "\t\t%llu global%s\n");\ 442 break;\ 443 default:\ 444 printf("\t\t%llu addresses scope=%x\n",\ 445 (unsigned long long)ip6stat.s, i);\ 446 }\ 447 } while(0); 448 449 p(ip6s_sources_none, 450 "\t%llu failure%s of source address selection\n"); 451 for (first = 1, i = 0; i < 16; i++) { 452 if (ip6stat.ip6s_sources_sameif[i]) { 453 if (first) { 454 printf("\tsource addresses on an outgoing I/F\n"); 455 first = 0; 456 } 457 PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); 458 } 459 } 460 for (first = 1, i = 0; i < 16; i++) { 461 if (ip6stat.ip6s_sources_otherif[i]) { 462 if (first) { 463 printf("\tsource addresses on a non-outgoing I/F\n"); 464 first = 0; 465 } 466 PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); 467 } 468 } 469 for (first = 1, i = 0; i < 16; i++) { 470 if (ip6stat.ip6s_sources_samescope[i]) { 471 if (first) { 472 printf("\tsource addresses of same scope\n"); 473 first = 0; 474 } 475 PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); 476 } 477 } 478 for (first = 1, i = 0; i < 16; i++) { 479 if (ip6stat.ip6s_sources_otherscope[i]) { 480 if (first) { 481 printf("\tsource addresses of a different scope\n"); 482 first = 0; 483 } 484 PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); 485 } 486 } 487 for (first = 1, i = 0; i < 16; i++) { 488 if (ip6stat.ip6s_sources_deprecated[i]) { 489 if (first) { 490 printf("\tdeprecated source addresses\n"); 491 first = 0; 492 } 493 PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); 494 } 495 } 496 497 p1(ip6s_forward_cachehit, "\t%llu forward cache hit\n"); 498 p1(ip6s_forward_cachemiss, "\t%llu forward cache miss\n"); 499 #undef p 500 #undef p1 501 } 502 503 /* 504 * Dump IPv6 per-interface statistics based on RFC 2465. 505 */ 506 void 507 ip6_ifstats(char *ifname) 508 { 509 struct in6_ifreq ifr; 510 int s; 511 512 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 513 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, \ 514 plural(ifr.ifr_ifru.ifru_stat.f)) 515 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 516 printf(m, (unsigned long long)ip6stat.f) 517 518 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 519 perror("Warning: socket(AF_INET6)"); 520 return; 521 } 522 523 strlcpy(ifr.ifr_name, ifname, sizeof ifr.ifr_name); 524 printf("ip6 on %s:\n", ifr.ifr_name); 525 526 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 527 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 528 goto end; 529 } 530 531 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 532 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 533 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 534 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 535 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 536 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 537 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 538 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 539 p(ifs6_in_deliver, 540 "\t%llu datagram%s delivered to an upper layer protocol\n"); 541 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 542 p(ifs6_out_request, 543 "\t%llu datagram%s sent from an upper layer protocol\n"); 544 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 545 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 546 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 547 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 548 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 549 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 550 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 551 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 552 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 553 554 end: 555 close(s); 556 557 #undef p 558 #undef p_5 559 } 560 561 static char *icmp6names[] = { 562 "#0", 563 "unreach", 564 "packet too big", 565 "time exceed", 566 "parameter problem", 567 "#5", 568 "#6", 569 "#7", 570 "#8", 571 "#9", 572 "#10", 573 "#11", 574 "#12", 575 "#13", 576 "#14", 577 "#15", 578 "#16", 579 "#17", 580 "#18", 581 "#19", 582 "#20", 583 "#21", 584 "#22", 585 "#23", 586 "#24", 587 "#25", 588 "#26", 589 "#27", 590 "#28", 591 "#29", 592 "#30", 593 "#31", 594 "#32", 595 "#33", 596 "#34", 597 "#35", 598 "#36", 599 "#37", 600 "#38", 601 "#39", 602 "#40", 603 "#41", 604 "#42", 605 "#43", 606 "#44", 607 "#45", 608 "#46", 609 "#47", 610 "#48", 611 "#49", 612 "#50", 613 "#51", 614 "#52", 615 "#53", 616 "#54", 617 "#55", 618 "#56", 619 "#57", 620 "#58", 621 "#59", 622 "#60", 623 "#61", 624 "#62", 625 "#63", 626 "#64", 627 "#65", 628 "#66", 629 "#67", 630 "#68", 631 "#69", 632 "#70", 633 "#71", 634 "#72", 635 "#73", 636 "#74", 637 "#75", 638 "#76", 639 "#77", 640 "#78", 641 "#79", 642 "#80", 643 "#81", 644 "#82", 645 "#83", 646 "#84", 647 "#85", 648 "#86", 649 "#87", 650 "#88", 651 "#89", 652 "#80", 653 "#91", 654 "#92", 655 "#93", 656 "#94", 657 "#95", 658 "#96", 659 "#97", 660 "#98", 661 "#99", 662 "#100", 663 "#101", 664 "#102", 665 "#103", 666 "#104", 667 "#105", 668 "#106", 669 "#107", 670 "#108", 671 "#109", 672 "#110", 673 "#111", 674 "#112", 675 "#113", 676 "#114", 677 "#115", 678 "#116", 679 "#117", 680 "#118", 681 "#119", 682 "#120", 683 "#121", 684 "#122", 685 "#123", 686 "#124", 687 "#125", 688 "#126", 689 "#127", 690 "echo", 691 "echo reply", 692 "multicast listener query", 693 "multicast listener report", 694 "multicast listener done", 695 "router solicitation", 696 "router advertisement", 697 "neighbor solicitation", 698 "neighbor advertisement", 699 "redirect", 700 "router renumbering", 701 "node information request", 702 "node information reply", 703 "#141", 704 "#142", 705 "#143", 706 "#144", 707 "#145", 708 "#146", 709 "#147", 710 "#148", 711 "#149", 712 "#150", 713 "#151", 714 "#152", 715 "#153", 716 "#154", 717 "#155", 718 "#156", 719 "#157", 720 "#158", 721 "#159", 722 "#160", 723 "#161", 724 "#162", 725 "#163", 726 "#164", 727 "#165", 728 "#166", 729 "#167", 730 "#168", 731 "#169", 732 "#170", 733 "#171", 734 "#172", 735 "#173", 736 "#174", 737 "#175", 738 "#176", 739 "#177", 740 "#178", 741 "#179", 742 "#180", 743 "#181", 744 "#182", 745 "#183", 746 "#184", 747 "#185", 748 "#186", 749 "#187", 750 "#188", 751 "#189", 752 "#180", 753 "#191", 754 "#192", 755 "#193", 756 "#194", 757 "#195", 758 "#196", 759 "#197", 760 "#198", 761 "#199", 762 "#200", 763 "#201", 764 "#202", 765 "#203", 766 "#204", 767 "#205", 768 "#206", 769 "#207", 770 "#208", 771 "#209", 772 "#210", 773 "#211", 774 "#212", 775 "#213", 776 "#214", 777 "#215", 778 "#216", 779 "#217", 780 "#218", 781 "#219", 782 "#220", 783 "#221", 784 "#222", 785 "#223", 786 "#224", 787 "#225", 788 "#226", 789 "#227", 790 "#228", 791 "#229", 792 "#230", 793 "#231", 794 "#232", 795 "#233", 796 "#234", 797 "#235", 798 "#236", 799 "#237", 800 "#238", 801 "#239", 802 "#240", 803 "#241", 804 "#242", 805 "#243", 806 "#244", 807 "#245", 808 "#246", 809 "#247", 810 "#248", 811 "#249", 812 "#250", 813 "#251", 814 "#252", 815 "#253", 816 "#254", 817 "#255", 818 }; 819 820 /* 821 * Dump ICMPv6 statistics. 822 */ 823 void 824 icmp6_stats(u_long off, char *name) 825 { 826 struct icmp6stat icmp6stat; 827 int i, first; 828 829 if (off == 0) 830 return; 831 kread(off, (char *)&icmp6stat, sizeof (icmp6stat)); 832 printf("%s:\n", name); 833 834 #define p(f, m) if (icmp6stat.f || sflag <= 1) \ 835 printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f)) 836 #define p_5(f, m) if (icmp6stat.f || sflag <= 1) \ 837 printf(m, (unsigned long long)icmp6stat.f) 838 839 p(icp6s_error, "\t%llu call%s to icmp6_error\n"); 840 p(icp6s_canterror, 841 "\t%llu error%s not generated because old message was icmp6 or so\n"); 842 p(icp6s_toofreq, 843 "\t%llu error%s not generated because of rate limitation\n"); 844 for (first = 1, i = 0; i < 256; i++) 845 if (icmp6stat.icp6s_outhist[i] != 0) { 846 if (first) { 847 printf("\tOutput packet histogram:\n"); 848 first = 0; 849 } 850 printf("\t\t%s: %llu\n", icmp6names[i], 851 (unsigned long long)icmp6stat.icp6s_outhist[i]); 852 } 853 p(icp6s_badcode, "\t%llu message%s with bad code fields\n"); 854 p(icp6s_tooshort, "\t%llu message%s < minimum length\n"); 855 p(icp6s_checksum, "\t%llu bad checksum%s\n"); 856 p(icp6s_badlen, "\t%llu message%s with bad length\n"); 857 for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) 858 if (icmp6stat.icp6s_inhist[i] != 0) { 859 if (first) { 860 printf("\tInput packet histogram:\n"); 861 first = 0; 862 } 863 printf("\t\t%s: %llu\n", icmp6names[i], 864 (unsigned long long)icmp6stat.icp6s_inhist[i]); 865 } 866 printf("\tHistogram of error messages to be generated:\n"); 867 p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n"); 868 p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n"); 869 p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n"); 870 p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n"); 871 p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n"); 872 p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n"); 873 p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n"); 874 p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n"); 875 p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n"); 876 p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n"); 877 p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n"); 878 p_5(icp6s_oredirect, "\t\t%llu redirect\n"); 879 p_5(icp6s_ounknown, "\t\t%llu unknown\n"); 880 881 p(icp6s_reflect, "\t%llu message response%s generated\n"); 882 p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n"); 883 p(icp6s_nd_badopt, "\t%llu message%s with bad ND options\n"); 884 p(icp6s_badns, "\t%llu bad neighbor solicitation message%s\n"); 885 p(icp6s_badna, "\t%llu bad neighbor advertisement message%s\n"); 886 p(icp6s_badrs, "\t%llu bad router solicitation message%s\n"); 887 p(icp6s_badra, "\t%llu bad router advertisement message%s\n"); 888 p(icp6s_badredirect, "\t%llu bad redirect message%s\n"); 889 p(icp6s_pmtuchg, "\t%llu path MTU change%s\n"); 890 #undef p 891 #undef p_5 892 } 893 894 /* 895 * Dump ICMPv6 per-interface statistics based on RFC 2466. 896 */ 897 void 898 icmp6_ifstats(char *ifname) 899 { 900 struct in6_ifreq ifr; 901 int s; 902 903 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 904 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, \ 905 plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 906 907 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 908 perror("Warning: socket(AF_INET6)"); 909 return; 910 } 911 912 strlcpy(ifr.ifr_name, ifname, sizeof ifr.ifr_name); 913 printf("icmp6 on %s:\n", ifr.ifr_name); 914 915 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 916 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 917 goto end; 918 } 919 920 p(ifs6_in_msg, "\t%llu total input message%s\n"); 921 p(ifs6_in_error, "\t%llu total input error message%s\n"); 922 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 923 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 924 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 925 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 926 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 927 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 928 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 929 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 930 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 931 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 932 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 933 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 934 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 935 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 936 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 937 938 p(ifs6_out_msg, "\t%llu total output message%s\n"); 939 p(ifs6_out_error, "\t%llu total output error message%s\n"); 940 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 941 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 942 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 943 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 944 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 945 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 946 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 947 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 948 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 949 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 950 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 951 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 952 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 953 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 954 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 955 956 end: 957 close(s); 958 #undef p 959 } 960 961 /* 962 * Dump PIM statistics structure. 963 */ 964 void 965 pim6_stats(u_long off, char *name) 966 { 967 struct pim6stat pim6stat; 968 969 if (off == 0) 970 return; 971 kread(off, (char *)&pim6stat, sizeof(pim6stat)); 972 printf("%s:\n", name); 973 974 #define p(f, m) if (pim6stat.f || sflag <= 1) \ 975 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f)) 976 977 p(pim6s_rcv_total, "\t%llu message%s received\n"); 978 p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n"); 979 p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n"); 980 p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n"); 981 p(pim6s_rcv_registers, "\t%llu register%s received\n"); 982 p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n"); 983 p(pim6s_snd_registers, "\t%llu register%s sent\n"); 984 #undef p 985 } 986 987 /* 988 * Dump raw ip6 statistics structure. 989 */ 990 void 991 rip6_stats(u_long off, char *name) 992 { 993 struct rip6stat rip6stat; 994 u_quad_t delivered; 995 996 if (off == 0) 997 return; 998 kread(off, (char *)&rip6stat, sizeof(rip6stat)); 999 printf("%s:\n", name); 1000 1001 #define p(f, m) if (rip6stat.f || sflag <= 1) \ 1002 printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f)) 1003 p(rip6s_ipackets, "\t%llu message%s received\n"); 1004 p(rip6s_isum, "\t%llu checksum calculation%s on inbound\n"); 1005 p(rip6s_badsum, "\t%llu message%s with bad checksum\n"); 1006 p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n"); 1007 p(rip6s_nosockmcast, 1008 "\t%llu multicast message%s dropped due to no socket\n"); 1009 p(rip6s_fullsock, 1010 "\t%llu message%s dropped due to full socket buffers\n"); 1011 delivered = rip6stat.rip6s_ipackets - 1012 rip6stat.rip6s_badsum - 1013 rip6stat.rip6s_nosock - 1014 rip6stat.rip6s_nosockmcast - 1015 rip6stat.rip6s_fullsock; 1016 if (delivered || sflag <= 1) 1017 printf("\t%llu delivered\n", (unsigned long long)delivered); 1018 p(rip6s_opackets, "\t%llu datagram%s output\n"); 1019 #undef p 1020 } 1021 1022 /* 1023 * Pretty print an Internet address (net address + port). 1024 * If the nflag was specified, use numbers instead of names. 1025 */ 1026 1027 void 1028 inet6print(struct in6_addr *in6, int port, char *proto) 1029 { 1030 1031 #define GETSERVBYPORT6(port, proto, ret) do { \ 1032 if (strcmp((proto), "tcp6") == 0) \ 1033 (ret) = getservbyport((int)(port), "tcp"); \ 1034 else if (strcmp((proto), "udp6") == 0) \ 1035 (ret) = getservbyport((int)(port), "udp"); \ 1036 else \ 1037 (ret) = getservbyport((int)(port), (proto)); \ 1038 } while (0) 1039 1040 struct servent *sp = 0; 1041 char line[80], *cp; 1042 int width; 1043 int len = sizeof line; 1044 1045 width = Aflag ? 12 : 16; 1046 if (vflag && width < strlen(inet6name(in6))) 1047 width = strlen(inet6name(in6)); 1048 snprintf(line, len, "%.*s.", width, inet6name(in6)); 1049 len -= strlen(line); 1050 if (len <= 0) 1051 goto bail; 1052 1053 cp = strchr(line, '\0'); 1054 if (!nflag && port) 1055 GETSERVBYPORT6(port, proto, sp); 1056 if (sp || port == 0) 1057 snprintf(cp, len, "%.8s", sp ? sp->s_name : "*"); 1058 else 1059 snprintf(cp, len, "%d", ntohs((u_short)port)); 1060 width = Aflag ? 18 : 22; 1061 if (vflag && width < strlen(line)) 1062 width = strlen(line); 1063 bail: 1064 printf(" %-*.*s", width, width, line); 1065 } 1066 1067 /* 1068 * Construct an Internet address representation. 1069 * If the nflag has been supplied, give 1070 * numeric value, otherwise try for symbolic name. 1071 */ 1072 1073 char * 1074 inet6name(struct in6_addr *in6p) 1075 { 1076 char *cp; 1077 static char line[NI_MAXHOST]; 1078 struct hostent *hp; 1079 static char domain[MAXHOSTNAMELEN]; 1080 static int first = 1; 1081 char hbuf[NI_MAXHOST]; 1082 struct sockaddr_in6 sin6; 1083 #ifdef NI_WITHSCOPEID 1084 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1085 #else 1086 const int niflag = NI_NUMERICHOST; 1087 #endif 1088 1089 if (first && !nflag) { 1090 first = 0; 1091 if (gethostname(domain, sizeof(domain)) == 0 && 1092 (cp = strchr(domain, '.'))) 1093 (void) strlcpy(domain, cp + 1, sizeof domain); 1094 else 1095 domain[0] = '\0'; 1096 } 1097 cp = 0; 1098 if (!nflag && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1099 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 1100 if (hp) { 1101 if ((cp = strchr(hp->h_name, '.')) && 1102 !strcmp(cp + 1, domain)) 1103 *cp = 0; 1104 cp = hp->h_name; 1105 } 1106 } 1107 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1108 strlcpy(line, "*", sizeof(line)); 1109 else if (cp) 1110 strlcpy(line, cp, sizeof(line)); 1111 else { 1112 memset(&sin6, 0, sizeof(sin6)); 1113 sin6.sin6_len = sizeof(sin6); 1114 sin6.sin6_family = AF_INET6; 1115 sin6.sin6_addr = *in6p; 1116 #ifdef __KAME__ 1117 if (IN6_IS_ADDR_LINKLOCAL(in6p) || 1118 IN6_IS_ADDR_MC_LINKLOCAL(in6p)) { 1119 sin6.sin6_scope_id = 1120 ntohs(*(u_int16_t *)&in6p->s6_addr[2]); 1121 sin6.sin6_addr.s6_addr[2] = 0; 1122 sin6.sin6_addr.s6_addr[3] = 0; 1123 } 1124 #endif 1125 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 1126 hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) 1127 strlcpy(hbuf, "?", sizeof hbuf); 1128 strlcpy(line, hbuf, sizeof(line)); 1129 } 1130 return (line); 1131 } 1132 1133 #ifdef TCP6 1134 /* 1135 * Dump the contents of a TCP6 PCB. 1136 */ 1137 void 1138 tcp6_dump(u_long pcbaddr) 1139 { 1140 struct tcp6cb tcp6cb; 1141 int i; 1142 1143 kread(pcbaddr, (char *)&tcp6cb, sizeof(tcp6cb)); 1144 1145 printf("TCP Protocol Control Block at 0x%08lx:\n\n", pcbaddr); 1146 1147 printf("Timers:\n"); 1148 for (i = 0; i < TCP6T_NTIMERS; i++) 1149 printf("\t%s: %u", tcp6timers[i], tcp6cb.t_timer[i]); 1150 printf("\n\n"); 1151 1152 if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) 1153 printf("State: %d", tcp6cb.t_state); 1154 else 1155 printf("State: %s", tcp6states[tcp6cb.t_state]); 1156 printf(", flags 0x%x, in6pcb 0x%lx\n\n", tcp6cb.t_flags, 1157 (u_long)tcp6cb.t_in6pcb); 1158 1159 printf("rxtshift %d, rxtcur %d, dupacks %d\n", tcp6cb.t_rxtshift, 1160 tcp6cb.t_rxtcur, tcp6cb.t_dupacks); 1161 printf("peermaxseg %u, maxseg %u, force %d\n\n", tcp6cb.t_peermaxseg, 1162 tcp6cb.t_maxseg, tcp6cb.t_force); 1163 1164 printf("snd_una %u, snd_nxt %u, snd_up %u\n", 1165 tcp6cb.snd_una, tcp6cb.snd_nxt, tcp6cb.snd_up); 1166 printf("snd_wl1 %u, snd_wl2 %u, iss %u, snd_wnd %lu\n\n", 1167 tcp6cb.snd_wl1, tcp6cb.snd_wl2, tcp6cb.iss, tcp6cb.snd_wnd); 1168 1169 printf("rcv_wnd %lu, rcv_nxt %u, rcv_up %u, irs %u\n\n", 1170 tcp6cb.rcv_wnd, tcp6cb.rcv_nxt, tcp6cb.rcv_up, tcp6cb.irs); 1171 1172 printf("rcv_adv %u, snd_max %u, snd_cwnd %lu, snd_ssthresh %lu\n", 1173 tcp6cb.rcv_adv, tcp6cb.snd_max, tcp6cb.snd_cwnd, tcp6cb.snd_ssthresh); 1174 1175 printf("idle %d, rtt %d, rtseq %u, srtt %d, rttvar %d, rttmin %d, " 1176 "max_sndwnd %lu\n\n", tcp6cb.t_idle, tcp6cb.t_rtt, tcp6cb.t_rtseq, 1177 tcp6cb.t_srtt, tcp6cb.t_rttvar, tcp6cb.t_rttmin, tcp6cb.max_sndwnd); 1178 1179 printf("oobflags %d, iobc %d, softerror %d\n\n", tcp6cb.t_oobflags, 1180 tcp6cb.t_iobc, tcp6cb.t_softerror); 1181 1182 printf("snd_scale %d, rcv_scale %d, req_r_scale %d, req_s_scale %d\n", 1183 tcp6cb.snd_scale, tcp6cb.rcv_scale, tcp6cb.request_r_scale, 1184 tcp6cb.requested_s_scale); 1185 printf("ts_recent %u, ts_regent_age %d, last_ack_sent %u\n", 1186 tcp6cb.ts_recent, tcp6cb.ts_recent_age, tcp6cb.last_ack_sent); 1187 } 1188 #endif 1189 1190 #endif /*INET6*/ 1191