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 * $FreeBSD$ 35 */ 36 37 #ifndef lint 38 /* 39 static char sccsid[] = "@(#)inet6.c 8.4 (Berkeley) 4/20/94"; 40 */ 41 #endif /* not lint */ 42 43 #ifdef INET6 44 #include <sys/param.h> 45 #include <sys/socket.h> 46 #include <sys/socketvar.h> 47 #include <sys/ioctl.h> 48 #include <sys/mbuf.h> 49 #include <sys/protosw.h> 50 51 #include <net/route.h> 52 #include <net/if.h> 53 #include <net/if_var.h> 54 #include <netinet/in.h> 55 #include <netinet/ip6.h> 56 #include <netinet/icmp6.h> 57 #include <netinet/in_systm.h> 58 #include <netinet6/in6_pcb.h> 59 #include <netinet6/in6_var.h> 60 #include <netinet6/ip6_var.h> 61 #include <netinet6/pim6_var.h> 62 63 #include <arpa/inet.h> 64 #include <netdb.h> 65 66 #include <stdio.h> 67 #include <string.h> 68 #include <unistd.h> 69 #include "netstat.h" 70 71 struct socket sockb; 72 73 char *inet6name __P((struct in6_addr *)); 74 void inet6print __P((struct in6_addr *, int, char *, int)); 75 76 static char ntop_buf[INET6_ADDRSTRLEN]; 77 78 static char *ip6nh[] = { 79 "hop by hop", 80 "ICMP", 81 "IGMP", 82 "#3", 83 "IP", 84 "#5", 85 "TCP", 86 "#7", 87 "#8", 88 "#9", 89 "#10", 90 "#11", 91 "#12", 92 "#13", 93 "#14", 94 "#15", 95 "#16", 96 "UDP", 97 "#18", 98 "#19", 99 "#20", 100 "#21", 101 "IDP", 102 "#23", 103 "#24", 104 "#25", 105 "#26", 106 "#27", 107 "#28", 108 "TP", 109 "#30", 110 "#31", 111 "#32", 112 "#33", 113 "#34", 114 "#35", 115 "#36", 116 "#37", 117 "#38", 118 "#39", 119 "#40", 120 "IP6", 121 "#42", 122 "routing", 123 "fragment", 124 "#45", 125 "#46", 126 "#47", 127 "#48", 128 "#49", 129 "ESP", 130 "AH", 131 "#52", 132 "#53", 133 "#54", 134 "#55", 135 "#56", 136 "#57", 137 "ICMP6", 138 "no next header", 139 "destination option", 140 "#61", 141 "#62", 142 "#63", 143 "#64", 144 "#65", 145 "#66", 146 "#67", 147 "#68", 148 "#69", 149 "#70", 150 "#71", 151 "#72", 152 "#73", 153 "#74", 154 "#75", 155 "#76", 156 "#77", 157 "#78", 158 "#79", 159 "ISOIP", 160 "#81", 161 "#82", 162 "#83", 163 "#84", 164 "#85", 165 "#86", 166 "#87", 167 "#88", 168 "OSPF", 169 "#80", 170 "#91", 171 "#92", 172 "#93", 173 "#94", 174 "#95", 175 "#96", 176 "Ethernet", 177 "#98", 178 "#99", 179 "#100", 180 "#101", 181 "#102", 182 "PIM", 183 "#104", 184 "#105", 185 "#106", 186 "#107", 187 "#108", 188 "#109", 189 "#110", 190 "#111", 191 "#112", 192 "#113", 193 "#114", 194 "#115", 195 "#116", 196 "#117", 197 "#118", 198 "#119", 199 "#120", 200 "#121", 201 "#122", 202 "#123", 203 "#124", 204 "#125", 205 "#126", 206 "#127", 207 "#128", 208 "#129", 209 "#130", 210 "#131", 211 "#132", 212 "#133", 213 "#134", 214 "#135", 215 "#136", 216 "#137", 217 "#138", 218 "#139", 219 "#140", 220 "#141", 221 "#142", 222 "#143", 223 "#144", 224 "#145", 225 "#146", 226 "#147", 227 "#148", 228 "#149", 229 "#150", 230 "#151", 231 "#152", 232 "#153", 233 "#154", 234 "#155", 235 "#156", 236 "#157", 237 "#158", 238 "#159", 239 "#160", 240 "#161", 241 "#162", 242 "#163", 243 "#164", 244 "#165", 245 "#166", 246 "#167", 247 "#168", 248 "#169", 249 "#170", 250 "#171", 251 "#172", 252 "#173", 253 "#174", 254 "#175", 255 "#176", 256 "#177", 257 "#178", 258 "#179", 259 "#180", 260 "#181", 261 "#182", 262 "#183", 263 "#184", 264 "#185", 265 "#186", 266 "#187", 267 "#188", 268 "#189", 269 "#180", 270 "#191", 271 "#192", 272 "#193", 273 "#194", 274 "#195", 275 "#196", 276 "#197", 277 "#198", 278 "#199", 279 "#200", 280 "#201", 281 "#202", 282 "#203", 283 "#204", 284 "#205", 285 "#206", 286 "#207", 287 "#208", 288 "#209", 289 "#210", 290 "#211", 291 "#212", 292 "#213", 293 "#214", 294 "#215", 295 "#216", 296 "#217", 297 "#218", 298 "#219", 299 "#220", 300 "#221", 301 "#222", 302 "#223", 303 "#224", 304 "#225", 305 "#226", 306 "#227", 307 "#228", 308 "#229", 309 "#230", 310 "#231", 311 "#232", 312 "#233", 313 "#234", 314 "#235", 315 "#236", 316 "#237", 317 "#238", 318 "#239", 319 "#240", 320 "#241", 321 "#242", 322 "#243", 323 "#244", 324 "#245", 325 "#246", 326 "#247", 327 "#248", 328 "#249", 329 "#250", 330 "#251", 331 "#252", 332 "#253", 333 "#254", 334 "#255", 335 }; 336 337 /* 338 * Dump IP6 statistics structure. 339 */ 340 void 341 ip6_stats(off, name) 342 u_long off; 343 char *name; 344 { 345 struct ip6stat ip6stat; 346 int first, i; 347 348 if (off == 0) 349 return; 350 351 if (kread(off, (char *)&ip6stat, sizeof (ip6stat))) 352 return; 353 printf("%s:\n", name); 354 355 #define p(f, m) if (ip6stat.f || sflag <= 1) \ 356 printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f)) 357 #define p1a(f, m) if (ip6stat.f || sflag <= 1) \ 358 printf(m, (unsigned long long)ip6stat.f) 359 360 p(ip6s_total, "\t%llu total packet%s received\n"); 361 p1a(ip6s_toosmall, "\t%llu with size smaller than minimum\n"); 362 p1a(ip6s_tooshort, "\t%llu with data size < data length\n"); 363 p1a(ip6s_badoptions, "\t%llu with bad options\n"); 364 p1a(ip6s_badvers, "\t%llu with incorrect version number\n"); 365 p(ip6s_fragments, "\t%llu fragment%s received\n"); 366 p(ip6s_fragdropped, "\t%llu fragment%s dropped (dup or out of space)\n"); 367 p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n"); 368 p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n"); 369 p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n"); 370 p(ip6s_delivered, "\t%llu packet%s for this host\n"); 371 p(ip6s_forward, "\t%llu packet%s forwarded\n"); 372 p(ip6s_cantforward, "\t%llu packet%s not forwardable\n"); 373 p(ip6s_redirectsent, "\t%llu redirect%s sent\n"); 374 p(ip6s_localout, "\t%llu packet%s sent from this host\n"); 375 p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n"); 376 p(ip6s_odropped, "\t%llu output packet%s dropped due to no bufs, etc.\n"); 377 p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n"); 378 p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n"); 379 p(ip6s_ofragments, "\t%llu fragment%s created\n"); 380 p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n"); 381 p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n"); 382 p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n"); 383 for (first = 1, i = 0; i < 256; i++) 384 if (ip6stat.ip6s_nxthist[i] != 0) { 385 if (first) { 386 printf("\tInput histogram:\n"); 387 first = 0; 388 } 389 printf("\t\t%s: %llu\n", ip6nh[i], 390 (unsigned long long)ip6stat.ip6s_nxthist[i]); 391 } 392 printf("\tMbuf statistics:\n"); 393 printf("\t\t%llu one mbuf\n", (unsigned long long)ip6stat.ip6s_m1); 394 for (first = 1, i = 0; i < 32; i++) { 395 char ifbuf[IFNAMSIZ]; 396 if (ip6stat.ip6s_m2m[i] != 0) { 397 if (first) { 398 printf("\t\ttwo or more mbuf:\n"); 399 first = 0; 400 } 401 printf("\t\t\t%s= %llu\n", 402 if_indextoname(i, ifbuf), 403 (unsigned long long)ip6stat.ip6s_m2m[i]); 404 } 405 } 406 printf("\t\t%llu one ext mbuf\n", 407 (unsigned long long)ip6stat.ip6s_mext1); 408 printf("\t\t%llu two or more ext mbuf\n", 409 (unsigned long long)ip6stat.ip6s_mext2m); 410 p(ip6s_exthdrtoolong, 411 "\t%llu packet%s whose headers are not continuous\n"); 412 p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n"); 413 p(ip6s_toomanyhdr, 414 "\t%llu packet%s discarded due to too may headers\n"); 415 416 /* for debugging source address selection */ 417 #define PRINT_SCOPESTAT(s,i) do {\ 418 switch(i) { /* XXX hardcoding in each case */\ 419 case 1:\ 420 p(s, "\t\t%llu node-local%s\n");\ 421 break;\ 422 case 2:\ 423 p(s,"\t\t%llu link-local%s\n");\ 424 break;\ 425 case 5:\ 426 p(s,"\t\t%llu site-local%s\n");\ 427 break;\ 428 case 14:\ 429 p(s,"\t\t%llu global%s\n");\ 430 break;\ 431 default:\ 432 printf("\t\t%llu addresses scope=%x\n",\ 433 (unsigned long long)ip6stat.s, i);\ 434 }\ 435 } while (0); 436 437 p(ip6s_sources_none, 438 "\t%llu failure%s of source address selection\n"); 439 for (first = 1, i = 0; i < 16; i++) { 440 if (ip6stat.ip6s_sources_sameif[i]) { 441 if (first) { 442 printf("\tsource addresses on an outgoing I/F\n"); 443 first = 0; 444 } 445 PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); 446 } 447 } 448 for (first = 1, i = 0; i < 16; i++) { 449 if (ip6stat.ip6s_sources_otherif[i]) { 450 if (first) { 451 printf("\tsource addresses on a non-outgoing I/F\n"); 452 first = 0; 453 } 454 PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); 455 } 456 } 457 for (first = 1, i = 0; i < 16; i++) { 458 if (ip6stat.ip6s_sources_samescope[i]) { 459 if (first) { 460 printf("\tsource addresses of same scope\n"); 461 first = 0; 462 } 463 PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); 464 } 465 } 466 for (first = 1, i = 0; i < 16; i++) { 467 if (ip6stat.ip6s_sources_otherscope[i]) { 468 if (first) { 469 printf("\tsource addresses of a different scope\n"); 470 first = 0; 471 } 472 PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); 473 } 474 } 475 for (first = 1, i = 0; i < 16; i++) { 476 if (ip6stat.ip6s_sources_deprecated[i]) { 477 if (first) { 478 printf("\tdeprecated source addresses\n"); 479 first = 0; 480 } 481 PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); 482 } 483 } 484 485 p1a(ip6s_forward_cachehit, "\t%llu forward cache hit\n"); 486 p1a(ip6s_forward_cachemiss, "\t%llu forward cache miss\n"); 487 #undef p 488 #undef p1a 489 } 490 491 /* 492 * Dump IPv6 per-interface statistics based on RFC 2465. 493 */ 494 void 495 ip6_ifstats(ifname) 496 char *ifname; 497 { 498 struct in6_ifreq ifr; 499 int s; 500 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 501 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, plural(ifr.ifr_ifru.ifru_stat.f)) 502 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 503 printf(m, (unsigned long long)ip6stat.f) 504 505 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 506 perror("Warning: socket(AF_INET6)"); 507 return; 508 } 509 510 strcpy(ifr.ifr_name, ifname); 511 printf("ip6 on %s:\n", ifr.ifr_name); 512 513 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 514 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 515 goto end; 516 } 517 518 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 519 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 520 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 521 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 522 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 523 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 524 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 525 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 526 p(ifs6_in_deliver, 527 "\t%llu datagram%s delivered to an upper layer protocol\n"); 528 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 529 p(ifs6_out_request, 530 "\t%llu datagram%s sent from an upper layer protocol\n"); 531 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 532 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 533 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 534 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 535 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 536 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 537 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 538 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 539 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 540 541 end: 542 close(s); 543 544 #undef p 545 #undef p_5 546 } 547 548 static char *icmp6names[] = { 549 "#0", 550 "unreach", 551 "packet too big", 552 "time exceed", 553 "parameter problem", 554 "#5", 555 "#6", 556 "#7", 557 "#8", 558 "#9", 559 "#10", 560 "#11", 561 "#12", 562 "#13", 563 "#14", 564 "#15", 565 "#16", 566 "#17", 567 "#18", 568 "#19", 569 "#20", 570 "#21", 571 "#22", 572 "#23", 573 "#24", 574 "#25", 575 "#26", 576 "#27", 577 "#28", 578 "#29", 579 "#30", 580 "#31", 581 "#32", 582 "#33", 583 "#34", 584 "#35", 585 "#36", 586 "#37", 587 "#38", 588 "#39", 589 "#40", 590 "#41", 591 "#42", 592 "#43", 593 "#44", 594 "#45", 595 "#46", 596 "#47", 597 "#48", 598 "#49", 599 "#50", 600 "#51", 601 "#52", 602 "#53", 603 "#54", 604 "#55", 605 "#56", 606 "#57", 607 "#58", 608 "#59", 609 "#60", 610 "#61", 611 "#62", 612 "#63", 613 "#64", 614 "#65", 615 "#66", 616 "#67", 617 "#68", 618 "#69", 619 "#70", 620 "#71", 621 "#72", 622 "#73", 623 "#74", 624 "#75", 625 "#76", 626 "#77", 627 "#78", 628 "#79", 629 "#80", 630 "#81", 631 "#82", 632 "#83", 633 "#84", 634 "#85", 635 "#86", 636 "#87", 637 "#88", 638 "#89", 639 "#80", 640 "#91", 641 "#92", 642 "#93", 643 "#94", 644 "#95", 645 "#96", 646 "#97", 647 "#98", 648 "#99", 649 "#100", 650 "#101", 651 "#102", 652 "#103", 653 "#104", 654 "#105", 655 "#106", 656 "#107", 657 "#108", 658 "#109", 659 "#110", 660 "#111", 661 "#112", 662 "#113", 663 "#114", 664 "#115", 665 "#116", 666 "#117", 667 "#118", 668 "#119", 669 "#120", 670 "#121", 671 "#122", 672 "#123", 673 "#124", 674 "#125", 675 "#126", 676 "#127", 677 "echo", 678 "echo reply", 679 "multicast listener query", 680 "multicast listener report", 681 "multicast listener done", 682 "router solicitation", 683 "router advertisment", 684 "neighbor solicitation", 685 "neighbor advertisment", 686 "redirect", 687 "router renumbering", 688 "node information request", 689 "node information reply", 690 "#141", 691 "#142", 692 "#143", 693 "#144", 694 "#145", 695 "#146", 696 "#147", 697 "#148", 698 "#149", 699 "#150", 700 "#151", 701 "#152", 702 "#153", 703 "#154", 704 "#155", 705 "#156", 706 "#157", 707 "#158", 708 "#159", 709 "#160", 710 "#161", 711 "#162", 712 "#163", 713 "#164", 714 "#165", 715 "#166", 716 "#167", 717 "#168", 718 "#169", 719 "#170", 720 "#171", 721 "#172", 722 "#173", 723 "#174", 724 "#175", 725 "#176", 726 "#177", 727 "#178", 728 "#179", 729 "#180", 730 "#181", 731 "#182", 732 "#183", 733 "#184", 734 "#185", 735 "#186", 736 "#187", 737 "#188", 738 "#189", 739 "#180", 740 "#191", 741 "#192", 742 "#193", 743 "#194", 744 "#195", 745 "#196", 746 "#197", 747 "#198", 748 "#199", 749 "#200", 750 "#201", 751 "#202", 752 "#203", 753 "#204", 754 "#205", 755 "#206", 756 "#207", 757 "#208", 758 "#209", 759 "#210", 760 "#211", 761 "#212", 762 "#213", 763 "#214", 764 "#215", 765 "#216", 766 "#217", 767 "#218", 768 "#219", 769 "#220", 770 "#221", 771 "#222", 772 "#223", 773 "#224", 774 "#225", 775 "#226", 776 "#227", 777 "#228", 778 "#229", 779 "#230", 780 "#231", 781 "#232", 782 "#233", 783 "#234", 784 "#235", 785 "#236", 786 "#237", 787 "#238", 788 "#239", 789 "#240", 790 "#241", 791 "#242", 792 "#243", 793 "#244", 794 "#245", 795 "#246", 796 "#247", 797 "#248", 798 "#249", 799 "#250", 800 "#251", 801 "#252", 802 "#253", 803 "#254", 804 "#255", 805 }; 806 807 /* 808 * Dump ICMP6 statistics. 809 */ 810 void 811 icmp6_stats(off, name) 812 u_long off; 813 char *name; 814 { 815 struct icmp6stat icmp6stat; 816 register int i, first; 817 818 if (off == 0) 819 return; 820 kread(off, (char *)&icmp6stat, sizeof (icmp6stat)); 821 printf("%s:\n", name); 822 823 #define p(f, m) if (icmp6stat.f || sflag <= 1) \ 824 printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f)) 825 #define p_5(f, m) printf(m, (unsigned long long)icmp6stat.f) 826 827 p(icp6s_error, "\t%llu call%s to icmp_error\n"); 828 p(icp6s_canterror, 829 "\t%llu error%s not generated because old message was icmp error or so\n"); 830 p(icp6s_toofreq, 831 "\t%llu error%s not generated because rate limitation\n"); 832 for (first = 1, i = 0; i < 256; i++) 833 if (icmp6stat.icp6s_outhist[i] != 0) { 834 if (first) { 835 printf("\tOutput histogram:\n"); 836 first = 0; 837 } 838 printf("\t\t%s: %llu\n", icmp6names[i], 839 (unsigned long long)icmp6stat.icp6s_outhist[i]); 840 } 841 p(icp6s_badcode, "\t%llu message%s with bad code fields\n"); 842 p(icp6s_tooshort, "\t%llu message%s < minimum length\n"); 843 p(icp6s_checksum, "\t%llu bad checksum%s\n"); 844 p(icp6s_badlen, "\t%llu message%s with bad length\n"); 845 for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) 846 if (icmp6stat.icp6s_inhist[i] != 0) { 847 if (first) { 848 printf("\tInput histogram:\n"); 849 first = 0; 850 } 851 printf("\t\t%s: %llu\n", icmp6names[i], 852 (unsigned long long)icmp6stat.icp6s_inhist[i]); 853 } 854 printf("\tHistgram of error messages to be generated:\n"); 855 p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n"); 856 p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n"); 857 p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n"); 858 p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n"); 859 p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n"); 860 p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n"); 861 p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n"); 862 p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n"); 863 p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n"); 864 p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n"); 865 p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n"); 866 p_5(icp6s_oredirect, "\t\t%llu redirect\n"); 867 p_5(icp6s_ounknown, "\t\t%llu unknown\n"); 868 869 p(icp6s_reflect, "\t%llu message response%s generated\n"); 870 p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n"); 871 #undef p 872 #undef p_5 873 } 874 875 /* 876 * Dump ICMPv6 per-interface statistics based on RFC 2466. 877 */ 878 void 879 icmp6_ifstats(ifname) 880 char *ifname; 881 { 882 struct in6_ifreq ifr; 883 int s; 884 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 885 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 886 887 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 888 perror("Warning: socket(AF_INET6)"); 889 return; 890 } 891 892 strcpy(ifr.ifr_name, ifname); 893 printf("icmp6 on %s:\n", ifr.ifr_name); 894 895 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 896 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 897 goto end; 898 } 899 900 p(ifs6_in_msg, "\t%llu total input message%s\n"); 901 p(ifs6_in_error, "\t%llu total input error message%s\n"); 902 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 903 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 904 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 905 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 906 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 907 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 908 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 909 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 910 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 911 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 912 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 913 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 914 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 915 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 916 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 917 918 p(ifs6_out_msg, "\t%llu total output message%s\n"); 919 p(ifs6_out_error, "\t%llu total output error message%s\n"); 920 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 921 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 922 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 923 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 924 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 925 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 926 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 927 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 928 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 929 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 930 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 931 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 932 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 933 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 934 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 935 936 end: 937 close(s); 938 #undef p 939 } 940 941 /* 942 * Dump PIM statistics structure. 943 */ 944 void 945 pim6_stats(off, name) 946 u_long off; 947 char *name; 948 { 949 struct pim6stat pim6stat; 950 951 if (off == 0) 952 return; 953 kread(off, (char *)&pim6stat, sizeof(pim6stat)); 954 printf("%s:\n", name); 955 956 #define p(f, m) if (pim6stat.f || sflag <= 1) \ 957 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f)) 958 p(pim6s_rcv_total, "\t%llu message%s received\n"); 959 p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n"); 960 p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n"); 961 p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n"); 962 p(pim6s_rcv_registers, "\t%llu register%s received\n"); 963 p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n"); 964 p(pim6s_snd_registers, "\t%llu register%s sent\n"); 965 #undef p 966 } 967 968 /* 969 * Pretty print an Internet address (net address + port). 970 * If the nflag was specified, use numbers instead of names. 971 */ 972 #define GETSERVBYPORT6(port, proto, ret)\ 973 {\ 974 if (strcmp((proto), "tcp6") == 0)\ 975 (ret) = getservbyport((int)(port), "tcp");\ 976 else if (strcmp((proto), "udp6") == 0)\ 977 (ret) = getservbyport((int)(port), "udp");\ 978 else\ 979 (ret) = getservbyport((int)(port), (proto));\ 980 }; 981 982 void 983 inet6print(in6, port, proto, numeric) 984 register struct in6_addr *in6; 985 int port; 986 char *proto; 987 int numeric; 988 { 989 struct servent *sp = 0; 990 char line[80], *cp; 991 int width; 992 993 sprintf(line, "%.*s.", lflag ? 39 : 994 (Aflag && !numeric) ? 12 : 16, inet6name(in6)); 995 cp = index(line, '\0'); 996 if (!numeric && port) 997 GETSERVBYPORT6(port, proto, sp); 998 if (sp || port == 0) 999 sprintf(cp, "%.8s", sp ? sp->s_name : "*"); 1000 else 1001 sprintf(cp, "%d", ntohs((u_short)port)); 1002 width = lflag ? 45 : Aflag ? 18 : 22; 1003 printf("%-*.*s ", width, width, line); 1004 } 1005 1006 /* 1007 * Construct an Internet address representation. 1008 * If the nflag has been supplied, give 1009 * numeric value, otherwise try for symbolic name. 1010 */ 1011 1012 char * 1013 inet6name(in6p) 1014 struct in6_addr *in6p; 1015 { 1016 register char *cp; 1017 static char line[50]; 1018 struct hostent *hp; 1019 static char domain[MAXHOSTNAMELEN]; 1020 static int first = 1; 1021 1022 if (first && !nflag) { 1023 first = 0; 1024 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1025 (cp = index(domain, '.'))) 1026 (void) strcpy(domain, cp + 1); 1027 else 1028 domain[0] = 0; 1029 } 1030 cp = 0; 1031 if (!nflag && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1032 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 1033 if (hp) { 1034 if ((cp = index(hp->h_name, '.')) && 1035 !strcmp(cp + 1, domain)) 1036 *cp = 0; 1037 cp = hp->h_name; 1038 } 1039 } 1040 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1041 strcpy(line, "*"); 1042 else if (cp) 1043 strcpy(line, cp); 1044 else 1045 sprintf(line, "%s", 1046 inet_ntop(AF_INET6, (void *)in6p, ntop_buf, 1047 sizeof(ntop_buf))); 1048 return (line); 1049 } 1050 #endif /*INET6*/ 1051