1/* BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp */ 2/*- 3 * SPDX-License-Identifier: BSD-3-Clause 4 * 5 * Copyright (c) 1983, 1988, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#if 0 34#ifndef lint 35static char sccsid[] = "@(#)inet6.c 8.4 (Berkeley) 4/20/94"; 36#endif /* not lint */ 37#endif 38 39#include <sys/cdefs.h> 40__FBSDID("$FreeBSD$"); 41 42#ifdef INET6 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 <netinet/in.h> 53#include <netinet/ip6.h> 54#include <netinet/icmp6.h> 55#include <netinet/in_systm.h> 56#include <netinet6/in6_pcb.h> 57#include <netinet6/in6_var.h> 58#include <netinet6/ip6_var.h> 59#include <netinet6/pim6_var.h> 60#include <netinet6/raw_ip6.h> 61 62#include <arpa/inet.h> 63#include <netdb.h> 64 65#include <err.h> 66#include <stdint.h> 67#include <stdio.h> 68#include <stdbool.h> 69#include <errno.h> 70#include <string.h> 71#include <unistd.h> 72#include <libxo/xo.h> 73#include "netstat.h" 74 75static char ntop_buf[INET6_ADDRSTRLEN]; 76 77static const 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 "mobility", 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 "SCTP", 211 "#133", 212 "#134", 213 "#135", 214 "UDPLite", 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 336static const char *srcrule_str[] = { 337 "first candidate", 338 "same address", 339 "appropriate scope", 340 "deprecated address", 341 "home address", 342 "outgoing interface", 343 "matching label", 344 "public/temporary address", 345 "alive interface", 346 "better virtual status", 347 "preferred source", 348 "rule #11", 349 "rule #12", 350 "rule #13", 351 "longest match", 352 "rule #15", 353}; 354 355/* 356 * Dump IP6 statistics structure. 357 */ 358void 359ip6_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 360{ 361 struct ip6stat ip6stat; 362 int first, i; 363 364 if (fetch_stats("net.inet6.ip6.stats", off, &ip6stat, 365 sizeof(ip6stat), kread_counters) != 0) 366 return; 367 368 xo_open_container(name); 369 xo_emit("{T:/%s}:\n", name); 370 371#define p(f, m) if (ip6stat.f || sflag <= 1) \ 372 xo_emit(m, (uintmax_t)ip6stat.f, plural(ip6stat.f)) 373#define p1a(f, m) if (ip6stat.f || sflag <= 1) \ 374 xo_emit(m, (uintmax_t)ip6stat.f) 375 376 p(ip6s_total, "\t{:received-packets/%ju} " 377 "{N:/total packet%s received}\n"); 378 p1a(ip6s_toosmall, "\t{:dropped-below-minimum-size/%ju} " 379 "{N:/with size smaller than minimum}\n"); 380 p1a(ip6s_tooshort, "\t{:dropped-short-packets/%ju} " 381 "{N:/with data size < data length}\n"); 382 p1a(ip6s_badoptions, "\t{:dropped-bad-options/%ju} " 383 "{N:/with bad options}\n"); 384 p1a(ip6s_badvers, "\t{:dropped-bad-version/%ju} " 385 "{N:/with incorrect version number}\n"); 386 p(ip6s_fragments, "\t{:received-fragments/%ju} " 387 "{N:/fragment%s received}\n"); 388 p(ip6s_fragdropped, "\t{:dropped-fragment/%ju} " 389 "{N:/fragment%s dropped (dup or out of space)}\n"); 390 p(ip6s_fragtimeout, "\t{:dropped-fragment-after-timeout/%ju} " 391 "{N:/fragment%s dropped after timeout}\n"); 392 p(ip6s_fragoverflow, "\t{:dropped-fragments-overflow/%ju} " 393 "{N:/fragment%s that exceeded limit}\n"); 394 p(ip6s_atomicfrags, "\t{:atomic-fragments/%ju} " 395 "{N:/atomic fragment%s}\n"); 396 p(ip6s_reassembled, "\t{:reassembled-packets/%ju} " 397 "{N:/packet%s reassembled ok}\n"); 398 p(ip6s_delivered, "\t{:received-local-packets/%ju} " 399 "{N:/packet%s for this host}\n"); 400 p(ip6s_forward, "\t{:forwarded-packets/%ju} " 401 "{N:/packet%s forwarded}\n"); 402 p(ip6s_cantforward, "\t{:packets-not-forwardable/%ju} " 403 "{N:/packet%s not forwardable}\n"); 404 p(ip6s_redirectsent, "\t{:sent-redirects/%ju} " 405 "{N:/redirect%s sent}\n"); 406 p(ip6s_localout, "\t{:sent-packets/%ju} " 407 "{N:/packet%s sent from this host}\n"); 408 p(ip6s_rawout, "\t{:send-packets-fabricated-header/%ju} " 409 "{N:/packet%s sent with fabricated ip header}\n"); 410 p(ip6s_odropped, "\t{:discard-no-mbufs/%ju} " 411 "{N:/output packet%s dropped due to no bufs, etc.}\n"); 412 p(ip6s_noroute, "\t{:discard-no-route/%ju} " 413 "{N:/output packet%s discarded due to no route}\n"); 414 p(ip6s_fragmented, "\t{:sent-fragments/%ju} " 415 "{N:/output datagram%s fragmented}\n"); 416 p(ip6s_ofragments, "\t{:fragments-created/%ju} " 417 "{N:/fragment%s created}\n"); 418 p(ip6s_cantfrag, "\t{:discard-cannot-fragment/%ju} " 419 "{N:/datagram%s that can't be fragmented}\n"); 420 p(ip6s_badscope, "\t{:discard-scope-violations/%ju} " 421 "{N:/packet%s that violated scope rules}\n"); 422 p(ip6s_notmember, "\t{:multicast-no-join-packets/%ju} " 423 "{N:/multicast packet%s which we don't join}\n"); 424 for (first = 1, i = 0; i < IP6S_HDRCNT; i++) 425 if (ip6stat.ip6s_nxthist[i] != 0) { 426 if (first) { 427 xo_emit("\t{T:Input histogram}:\n"); 428 xo_open_list("input-histogram"); 429 first = 0; 430 } 431 xo_open_instance("input-histogram"); 432 xo_emit("\t\t{k:name/%s}: {:count/%ju}\n", ip6nh[i], 433 (uintmax_t)ip6stat.ip6s_nxthist[i]); 434 xo_close_instance("input-histogram"); 435 } 436 if (!first) 437 xo_close_list("input-histogram"); 438 439 xo_open_container("mbuf-statistics"); 440 xo_emit("\t{T:Mbuf statistics}:\n"); 441 xo_emit("\t\t{:one-mbuf/%ju} {N:/one mbuf}\n", 442 (uintmax_t)ip6stat.ip6s_m1); 443 for (first = 1, i = 0; i < IP6S_M2MMAX; i++) { 444 char ifbuf[IFNAMSIZ]; 445 if (ip6stat.ip6s_m2m[i] != 0) { 446 if (first) { 447 xo_emit("\t\t{N:two or more mbuf}:\n"); 448 xo_open_list("mbuf-data"); 449 first = 0; 450 } 451 xo_open_instance("mbuf-data"); 452 xo_emit("\t\t\t{k:name/%s}= {:count/%ju}\n", 453 if_indextoname(i, ifbuf), 454 (uintmax_t)ip6stat.ip6s_m2m[i]); 455 xo_close_instance("mbuf-data"); 456 } 457 } 458 if (!first) 459 xo_close_list("mbuf-data"); 460 xo_emit("\t\t{:one-extra-mbuf/%ju} {N:one ext mbuf}\n", 461 (uintmax_t)ip6stat.ip6s_mext1); 462 xo_emit("\t\t{:two-or-more-extra-mbufs/%ju} " 463 "{N:/two or more ext mbuf}\n", (uintmax_t)ip6stat.ip6s_mext2m); 464 xo_close_container("mbuf-statistics"); 465 466 p(ip6s_exthdrtoolong, "\t{:dropped-header-too-long/%ju} " 467 "{N:/packet%s whose headers are not contiguous}\n"); 468 p(ip6s_nogif, "\t{:discard-tunnel-no-gif/%ju} " 469 "{N:/tunneling packet%s that can't find gif}\n"); 470 p(ip6s_toomanyhdr, "\t{:dropped-too-many-headers/%ju} " 471 "{N:/packet%s discarded because of too many headers}\n"); 472 473 /* for debugging source address selection */ 474#define PRINT_SCOPESTAT(s,i) do {\ 475 switch(i) { /* XXX hardcoding in each case */\ 476 case 1:\ 477 p(s, "\t\t{ke:name/interface-locals}{:count/%ju} " \ 478 "{N:/interface-local%s}\n"); \ 479 break;\ 480 case 2:\ 481 p(s,"\t\t{ke:name/link-locals}{:count/%ju} " \ 482 "{N:/link-local%s}\n"); \ 483 break;\ 484 case 5:\ 485 p(s,"\t\t{ke:name/site-locals}{:count/%ju} " \ 486 "{N:/site-local%s}\n");\ 487 break;\ 488 case 14:\ 489 p(s,"\t\t{ke:name/globals}{:count/%ju} " \ 490 "{N:/global%s}\n");\ 491 break;\ 492 default:\ 493 xo_emit("\t\t{qke:name/%#x}{:count/%ju} " \ 494 "{N:/addresses scope=%#x}\n",\ 495 i, (uintmax_t)ip6stat.s, i); \ 496 }\ 497 } while (0); 498 499 xo_open_container("source-address-selection"); 500 p(ip6s_sources_none, "\t{:address-selection-failures/%ju} " 501 "{N:/failure%s of source address selection}\n"); 502 503 for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) { 504 if (ip6stat.ip6s_sources_sameif[i]) { 505 if (first) { 506 xo_open_list("outgoing-interface"); 507 xo_emit("\tsource addresses on an outgoing " 508 "I/F\n"); 509 first = 0; 510 } 511 xo_open_instance("outgoing-interface"); 512 PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); 513 xo_close_instance("outgoing-interface"); 514 } 515 } 516 if (!first) 517 xo_close_list("outgoing-interface"); 518 519 for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) { 520 if (ip6stat.ip6s_sources_otherif[i]) { 521 if (first) { 522 xo_open_list("non-outgoing-interface"); 523 xo_emit("\tsource addresses on a non-outgoing " 524 "I/F\n"); 525 first = 0; 526 } 527 xo_open_instance("non-outgoing-interface"); 528 PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); 529 xo_close_instance("non-outgoing-interface"); 530 } 531 } 532 if (!first) 533 xo_close_list("non-outgoing-interface"); 534 535 for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) { 536 if (ip6stat.ip6s_sources_samescope[i]) { 537 if (first) { 538 xo_open_list("same-source"); 539 xo_emit("\tsource addresses of same scope\n"); 540 first = 0; 541 } 542 xo_open_instance("same-source"); 543 PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); 544 xo_close_instance("same-source"); 545 } 546 } 547 if (!first) 548 xo_close_list("same-source"); 549 550 for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) { 551 if (ip6stat.ip6s_sources_otherscope[i]) { 552 if (first) { 553 xo_open_list("different-scope"); 554 xo_emit("\tsource addresses of a different " 555 "scope\n"); 556 first = 0; 557 } 558 xo_open_instance("different-scope"); 559 PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); 560 xo_close_instance("different-scope"); 561 } 562 } 563 if (!first) 564 xo_close_list("different-scope"); 565 566 for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) { 567 if (ip6stat.ip6s_sources_deprecated[i]) { 568 if (first) { 569 xo_open_list("deprecated-source"); 570 xo_emit("\tdeprecated source addresses\n"); 571 first = 0; 572 } 573 xo_open_instance("deprecated-source"); 574 PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); 575 xo_close_instance("deprecated-source"); 576 } 577 } 578 if (!first) 579 xo_close_list("deprecated-source"); 580 581 for (first = 1, i = 0; i < IP6S_RULESMAX; i++) { 582 if (ip6stat.ip6s_sources_rule[i]) { 583 if (first) { 584 xo_open_list("rules-applied"); 585 xo_emit("\t{T:Source addresses selection " 586 "rule applied}:\n"); 587 first = 0; 588 } 589 xo_open_instance("rules-applied"); 590 xo_emit("\t\t{ke:name/%s}{:count/%ju} {d:name/%s}\n", 591 srcrule_str[i], 592 (uintmax_t)ip6stat.ip6s_sources_rule[i], 593 srcrule_str[i]); 594 xo_close_instance("rules-applied"); 595 } 596 } 597 if (!first) 598 xo_close_list("rules-applied"); 599 600 xo_close_container("source-address-selection"); 601 602#undef p 603#undef p1a 604 xo_close_container(name); 605} 606 607/* 608 * Dump IPv6 per-interface statistics based on RFC 2465. 609 */ 610void 611ip6_ifstats(char *ifname) 612{ 613 struct in6_ifreq ifr; 614 int s; 615 616#define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 617 xo_emit(m, (uintmax_t)ifr.ifr_ifru.ifru_stat.f, \ 618 plural(ifr.ifr_ifru.ifru_stat.f)) 619 620 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 621 xo_warn("Warning: socket(AF_INET6)"); 622 return; 623 } 624 625 strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 626 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 627 if (errno != EPFNOSUPPORT) 628 xo_warn("Warning: ioctl(SIOCGIFSTAT_IN6)"); 629 goto end; 630 } 631 632 xo_emit("{T:/ip6 on %s}:\n", ifr.ifr_name); 633 634 xo_open_instance("ip6-interface-statistics"); 635 xo_emit("{ke:name/%s}", ifr.ifr_name); 636 637 p(ifs6_in_receive, "\t{:received-packets/%ju} " 638 "{N:/total input datagram%s}\n"); 639 p(ifs6_in_hdrerr, "\t{:dropped-invalid-header/%ju} " 640 "{N:/datagram%s with invalid header received}\n"); 641 p(ifs6_in_toobig, "\t{:dropped-mtu-exceeded/%ju} " 642 "{N:/datagram%s exceeded MTU received}\n"); 643 p(ifs6_in_noroute, "\t{:dropped-no-route/%ju} " 644 "{N:/datagram%s with no route received}\n"); 645 p(ifs6_in_addrerr, "\t{:dropped-invalid-destination/%ju} " 646 "{N:/datagram%s with invalid dst received}\n"); 647 p(ifs6_in_protounknown, "\t{:dropped-unknown-protocol/%ju} " 648 "{N:/datagram%s with unknown proto received}\n"); 649 p(ifs6_in_truncated, "\t{:dropped-truncated/%ju} " 650 "{N:/truncated datagram%s received}\n"); 651 p(ifs6_in_discard, "\t{:dropped-discarded/%ju} " 652 "{N:/input datagram%s discarded}\n"); 653 p(ifs6_in_deliver, "\t{:received-valid-packets/%ju} " 654 "{N:/datagram%s delivered to an upper layer protocol}\n"); 655 p(ifs6_out_forward, "\t{:sent-forwarded/%ju} " 656 "{N:/datagram%s forwarded to this interface}\n"); 657 p(ifs6_out_request, "\t{:sent-packets/%ju} " 658 "{N:/datagram%s sent from an upper layer protocol}\n"); 659 p(ifs6_out_discard, "\t{:discard-packets/%ju} " 660 "{N:/total discarded output datagram%s}\n"); 661 p(ifs6_out_fragok, "\t{:discard-fragments/%ju} " 662 "{N:/output datagram%s fragmented}\n"); 663 p(ifs6_out_fragfail, "\t{:fragments-failed/%ju} " 664 "{N:/output datagram%s failed on fragment}\n"); 665 p(ifs6_out_fragcreat, "\t{:fragments-created/%ju} " 666 "{N:/output datagram%s succeeded on fragment}\n"); 667 p(ifs6_reass_reqd, "\t{:reassembly-required/%ju} " 668 "{N:/incoming datagram%s fragmented}\n"); 669 p(ifs6_reass_ok, "\t{:reassembled-packets/%ju} " 670 "{N:/datagram%s reassembled}\n"); 671 p(ifs6_reass_fail, "\t{:reassembly-failed/%ju} " 672 "{N:/datagram%s failed on reassembly}\n"); 673 p(ifs6_in_mcast, "\t{:received-multicast/%ju} " 674 "{N:/multicast datagram%s received}\n"); 675 p(ifs6_out_mcast, "\t{:sent-multicast/%ju} " 676 "{N:/multicast datagram%s sent}\n"); 677 678 end: 679 xo_close_instance("ip6-interface-statistics"); 680 close(s); 681 682#undef p 683} 684 685static const char *icmp6names[] = { 686 "#0", 687 "unreach", 688 "packet too big", 689 "time exceed", 690 "parameter problem", 691 "#5", 692 "#6", 693 "#7", 694 "#8", 695 "#9", 696 "#10", 697 "#11", 698 "#12", 699 "#13", 700 "#14", 701 "#15", 702 "#16", 703 "#17", 704 "#18", 705 "#19", 706 "#20", 707 "#21", 708 "#22", 709 "#23", 710 "#24", 711 "#25", 712 "#26", 713 "#27", 714 "#28", 715 "#29", 716 "#30", 717 "#31", 718 "#32", 719 "#33", 720 "#34", 721 "#35", 722 "#36", 723 "#37", 724 "#38", 725 "#39", 726 "#40", 727 "#41", 728 "#42", 729 "#43", 730 "#44", 731 "#45", 732 "#46", 733 "#47", 734 "#48", 735 "#49", 736 "#50", 737 "#51", 738 "#52", 739 "#53", 740 "#54", 741 "#55", 742 "#56", 743 "#57", 744 "#58", 745 "#59", 746 "#60", 747 "#61", 748 "#62", 749 "#63", 750 "#64", 751 "#65", 752 "#66", 753 "#67", 754 "#68", 755 "#69", 756 "#70", 757 "#71", 758 "#72", 759 "#73", 760 "#74", 761 "#75", 762 "#76", 763 "#77", 764 "#78", 765 "#79", 766 "#80", 767 "#81", 768 "#82", 769 "#83", 770 "#84", 771 "#85", 772 "#86", 773 "#87", 774 "#88", 775 "#89", 776 "#80", 777 "#91", 778 "#92", 779 "#93", 780 "#94", 781 "#95", 782 "#96", 783 "#97", 784 "#98", 785 "#99", 786 "#100", 787 "#101", 788 "#102", 789 "#103", 790 "#104", 791 "#105", 792 "#106", 793 "#107", 794 "#108", 795 "#109", 796 "#110", 797 "#111", 798 "#112", 799 "#113", 800 "#114", 801 "#115", 802 "#116", 803 "#117", 804 "#118", 805 "#119", 806 "#120", 807 "#121", 808 "#122", 809 "#123", 810 "#124", 811 "#125", 812 "#126", 813 "#127", 814 "echo", 815 "echo reply", 816 "multicast listener query", 817 "MLDv1 listener report", 818 "MLDv1 listener done", 819 "router solicitation", 820 "router advertisement", 821 "neighbor solicitation", 822 "neighbor advertisement", 823 "redirect", 824 "router renumbering", 825 "node information request", 826 "node information reply", 827 "inverse neighbor solicitation", 828 "inverse neighbor advertisement", 829 "MLDv2 listener report", 830 "#144", 831 "#145", 832 "#146", 833 "#147", 834 "#148", 835 "#149", 836 "#150", 837 "#151", 838 "#152", 839 "#153", 840 "#154", 841 "#155", 842 "#156", 843 "#157", 844 "#158", 845 "#159", 846 "#160", 847 "#161", 848 "#162", 849 "#163", 850 "#164", 851 "#165", 852 "#166", 853 "#167", 854 "#168", 855 "#169", 856 "#170", 857 "#171", 858 "#172", 859 "#173", 860 "#174", 861 "#175", 862 "#176", 863 "#177", 864 "#178", 865 "#179", 866 "#180", 867 "#181", 868 "#182", 869 "#183", 870 "#184", 871 "#185", 872 "#186", 873 "#187", 874 "#188", 875 "#189", 876 "#180", 877 "#191", 878 "#192", 879 "#193", 880 "#194", 881 "#195", 882 "#196", 883 "#197", 884 "#198", 885 "#199", 886 "#200", 887 "#201", 888 "#202", 889 "#203", 890 "#204", 891 "#205", 892 "#206", 893 "#207", 894 "#208", 895 "#209", 896 "#210", 897 "#211", 898 "#212", 899 "#213", 900 "#214", 901 "#215", 902 "#216", 903 "#217", 904 "#218", 905 "#219", 906 "#220", 907 "#221", 908 "#222", 909 "#223", 910 "#224", 911 "#225", 912 "#226", 913 "#227", 914 "#228", 915 "#229", 916 "#230", 917 "#231", 918 "#232", 919 "#233", 920 "#234", 921 "#235", 922 "#236", 923 "#237", 924 "#238", 925 "#239", 926 "#240", 927 "#241", 928 "#242", 929 "#243", 930 "#244", 931 "#245", 932 "#246", 933 "#247", 934 "#248", 935 "#249", 936 "#250", 937 "#251", 938 "#252", 939 "#253", 940 "#254", 941 "#255", 942}; 943 944/* 945 * Dump ICMP6 statistics. 946 */ 947void 948icmp6_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 949{ 950 struct icmp6stat icmp6stat; 951 int i, first; 952 953 if (fetch_stats("net.inet6.icmp6.stats", off, &icmp6stat, 954 sizeof(icmp6stat), kread_counters) != 0) 955 return; 956 957 xo_emit("{T:/%s}:\n", name); 958 xo_open_container(name); 959 960#define p(f, m) if (icmp6stat.f || sflag <= 1) \ 961 xo_emit(m, (uintmax_t)icmp6stat.f, plural(icmp6stat.f)) 962#define p_5(f, m) if (icmp6stat.f || sflag <= 1) \ 963 xo_emit(m, (uintmax_t)icmp6stat.f) 964 965 p(icp6s_error, "\t{:icmp6-calls/%ju} " 966 "{N:/call%s to icmp6_error}\n"); 967 p(icp6s_canterror, "\t{:errors-not-generated-from-message/%ju} " 968 "{N:/error%s not generated in response to an icmp6 message}\n"); 969 p(icp6s_toofreq, "\t{:errors-discarded-by-rate-limitation/%ju} " 970 "{N:/error%s not generated because of rate limitation}\n"); 971#define NELEM (int)(sizeof(icmp6stat.icp6s_outhist)/sizeof(icmp6stat.icp6s_outhist[0])) 972 for (first = 1, i = 0; i < NELEM; i++) 973 if (icmp6stat.icp6s_outhist[i] != 0) { 974 if (first) { 975 xo_open_list("output-histogram"); 976 xo_emit("\t{T:Output histogram}:\n"); 977 first = 0; 978 } 979 xo_open_instance("output-histogram"); 980 xo_emit("\t\t{k:name/%s}: {:count/%ju}\n", 981 icmp6names[i], 982 (uintmax_t)icmp6stat.icp6s_outhist[i]); 983 xo_close_instance("output-histogram"); 984 } 985 if (!first) 986 xo_close_list("output-histogram"); 987#undef NELEM 988 989 p(icp6s_badcode, "\t{:dropped-bad-code/%ju} " 990 "{N:/message%s with bad code fields}\n"); 991 p(icp6s_tooshort, "\t{:dropped-too-short/%ju} " 992 "{N:/message%s < minimum length}\n"); 993 p(icp6s_checksum, "\t{:dropped-bad-checksum/%ju} " 994 "{N:/bad checksum%s}\n"); 995 p(icp6s_badlen, "\t{:dropped-bad-length/%ju} " 996 "{N:/message%s with bad length}\n"); 997#define NELEM (int)(sizeof(icmp6stat.icp6s_inhist)/sizeof(icmp6stat.icp6s_inhist[0])) 998 for (first = 1, i = 0; i < NELEM; i++) 999 if (icmp6stat.icp6s_inhist[i] != 0) { 1000 if (first) { 1001 xo_open_list("input-histogram"); 1002 xo_emit("\t{T:Input histogram}:\n"); 1003 first = 0; 1004 } 1005 xo_open_instance("input-histogram"); 1006 xo_emit("\t\t{k:name/%s}: {:count/%ju}\n", 1007 icmp6names[i], 1008 (uintmax_t)icmp6stat.icp6s_inhist[i]); 1009 xo_close_instance("input-histogram"); 1010 } 1011 if (!first) 1012 xo_close_list("input-histogram"); 1013#undef NELEM 1014 xo_emit("\t{T:Histogram of error messages to be generated}:\n"); 1015 xo_open_container("errors"); 1016 p_5(icp6s_odst_unreach_noroute, "\t\t{:no-route/%ju} " 1017 "{N:/no route}\n"); 1018 p_5(icp6s_odst_unreach_admin, "\t\t{:admin-prohibited/%ju} " 1019 "{N:/administratively prohibited}\n"); 1020 p_5(icp6s_odst_unreach_beyondscope, "\t\t{:beyond-scope/%ju} " 1021 "{N:/beyond scope}\n"); 1022 p_5(icp6s_odst_unreach_addr, "\t\t{:address-unreachable/%ju} " 1023 "{N:/address unreachable}\n"); 1024 p_5(icp6s_odst_unreach_noport, "\t\t{:port-unreachable/%ju} " 1025 "{N:/port unreachable}\n"); 1026 p_5(icp6s_opacket_too_big, "\t\t{:packet-too-big/%ju} " 1027 "{N:/packet too big}\n"); 1028 p_5(icp6s_otime_exceed_transit, "\t\t{:time-exceed-transmit/%ju} " 1029 "{N:/time exceed transit}\n"); 1030 p_5(icp6s_otime_exceed_reassembly, "\t\t{:time-exceed-reassembly/%ju} " 1031 "{N:/time exceed reassembly}\n"); 1032 p_5(icp6s_oparamprob_header, "\t\t{:bad-header/%ju} " 1033 "{N:/erroneous header field}\n"); 1034 p_5(icp6s_oparamprob_nextheader, "\t\t{:bad-next-header/%ju} " 1035 "{N:/unrecognized next header}\n"); 1036 p_5(icp6s_oparamprob_option, "\t\t{:bad-option/%ju} " 1037 "{N:/unrecognized option}\n"); 1038 p_5(icp6s_oredirect, "\t\t{:redirects/%ju} " 1039 "{N:/redirect}\n"); 1040 p_5(icp6s_ounknown, "\t\t{:unknown/%ju} {N:unknown}\n"); 1041 1042 p(icp6s_reflect, "\t{:reflect/%ju} " 1043 "{N:/message response%s generated}\n"); 1044 p(icp6s_nd_toomanyopt, "\t{:too-many-nd-options/%ju} " 1045 "{N:/message%s with too many ND options}\n"); 1046 p(icp6s_nd_badopt, "\t{:bad-nd-options/%ju} " 1047 "{N:/message%s with bad ND options}\n"); 1048 p(icp6s_badns, "\t{:bad-neighbor-solicitation/%ju} " 1049 "{N:/bad neighbor solicitation message%s}\n"); 1050 p(icp6s_badna, "\t{:bad-neighbor-advertisement/%ju} " 1051 "{N:/bad neighbor advertisement message%s}\n"); 1052 p(icp6s_badrs, "\t{:bad-router-solicitation/%ju} " 1053 "{N:/bad router solicitation message%s}\n"); 1054 p(icp6s_badra, "\t{:bad-router-advertisement/%ju} " 1055 "{N:/bad router advertisement message%s}\n"); 1056 p(icp6s_badredirect, "\t{:bad-redirect/%ju} " 1057 "{N:/bad redirect message%s}\n"); 1058 p(icp6s_overflowdefrtr, "\t{:default-routers-overflows/%ju} " 1059 "{N:/default routers overflow%s}\n"); 1060 p(icp6s_overflowprfx, "\t{:prefixes-overflows/%ju} " 1061 "{N:/prefix overflow%s}\n"); 1062 p(icp6s_overflownndp, "\t{:neighbour-entries-overflows/%ju} " 1063 "{N:/neighbour entries overflow%s}\n"); 1064 p(icp6s_overflowredirect, "\t{:redirect-overflows/%ju} " 1065 "{N:/redirect overflow%s}\n"); 1066 p(icp6s_invlhlim, "\t{:dropped-invalid-hop-limit/%ju} " 1067 "{N:/message%s with invalid hop limit}\n"); 1068 xo_close_container("errors"); 1069 p(icp6s_pmtuchg, "\t{:path-mtu-changes/%ju} {N:/path MTU change%s}\n"); 1070#undef p 1071#undef p_5 1072 xo_close_container(name); 1073} 1074 1075/* 1076 * Dump ICMPv6 per-interface statistics based on RFC 2466. 1077 */ 1078void 1079icmp6_ifstats(char *ifname) 1080{ 1081 struct in6_ifreq ifr; 1082 int s; 1083 1084#define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1085 xo_emit(m, (uintmax_t)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1086 plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 1087#define p2(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1088 xo_emit(m, (uintmax_t)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1089 pluralies(ifr.ifr_ifru.ifru_icmp6stat.f)) 1090 1091 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1092 xo_warn("Warning: socket(AF_INET6)"); 1093 return; 1094 } 1095 1096 strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1097 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 1098 if (errno != EPFNOSUPPORT) 1099 xo_warn("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 1100 goto end; 1101 } 1102 1103 xo_emit("{T:/icmp6 on %s}:\n", ifr.ifr_name); 1104 1105 xo_open_instance("icmp6-interface-statistics"); 1106 xo_emit("{ke:name/%s}", ifr.ifr_name); 1107 p(ifs6_in_msg, "\t{:received-packets/%ju} " 1108 "{N:/total input message%s}\n"); 1109 p(ifs6_in_error, "\t{:received-errors/%ju} " 1110 "{N:/total input error message%s}\n"); 1111 p(ifs6_in_dstunreach, "\t{:received-destination-unreachable/%ju} " 1112 "{N:/input destination unreachable error%s}\n"); 1113 p(ifs6_in_adminprohib, "\t{:received-admin-prohibited/%ju} " 1114 "{N:/input administratively prohibited error%s}\n"); 1115 p(ifs6_in_timeexceed, "\t{:received-time-exceeded/%ju} " 1116 "{N:/input time exceeded error%s}\n"); 1117 p(ifs6_in_paramprob, "\t{:received-bad-parameter/%ju} " 1118 "{N:/input parameter problem error%s}\n"); 1119 p(ifs6_in_pkttoobig, "\t{:received-packet-too-big/%ju} " 1120 "{N:/input packet too big error%s}\n"); 1121 p(ifs6_in_echo, "\t{:received-echo-requests/%ju} " 1122 "{N:/input echo request%s}\n"); 1123 p2(ifs6_in_echoreply, "\t{:received-echo-replies/%ju} " 1124 "{N:/input echo repl%s}\n"); 1125 p(ifs6_in_routersolicit, "\t{:received-router-solicitation/%ju} " 1126 "{N:/input router solicitation%s}\n"); 1127 p(ifs6_in_routeradvert, "\t{:received-router-advertisement/%ju} " 1128 "{N:/input router advertisement%s}\n"); 1129 p(ifs6_in_neighborsolicit, "\t{:received-neighbor-solicitation/%ju} " 1130 "{N:/input neighbor solicitation%s}\n"); 1131 p(ifs6_in_neighboradvert, "\t{:received-neighbor-advertisement/%ju} " 1132 "{N:/input neighbor advertisement%s}\n"); 1133 p(ifs6_in_redirect, "\t{received-redirects/%ju} " 1134 "{N:/input redirect%s}\n"); 1135 p2(ifs6_in_mldquery, "\t{:received-mld-queries/%ju} " 1136 "{N:/input MLD quer%s}\n"); 1137 p(ifs6_in_mldreport, "\t{:received-mld-reports/%ju} " 1138 "{N:/input MLD report%s}\n"); 1139 p(ifs6_in_mlddone, "\t{:received-mld-done/%ju} " 1140 "{N:/input MLD done%s}\n"); 1141 1142 p(ifs6_out_msg, "\t{:sent-packets/%ju} " 1143 "{N:/total output message%s}\n"); 1144 p(ifs6_out_error, "\t{:sent-errors/%ju} " 1145 "{N:/total output error message%s}\n"); 1146 p(ifs6_out_dstunreach, "\t{:sent-destination-unreachable/%ju} " 1147 "{N:/output destination unreachable error%s}\n"); 1148 p(ifs6_out_adminprohib, "\t{:sent-admin-prohibited/%ju} " 1149 "{N:/output administratively prohibited error%s}\n"); 1150 p(ifs6_out_timeexceed, "\t{:sent-time-exceeded/%ju} " 1151 "{N:/output time exceeded error%s}\n"); 1152 p(ifs6_out_paramprob, "\t{:sent-bad-parameter/%ju} " 1153 "{N:/output parameter problem error%s}\n"); 1154 p(ifs6_out_pkttoobig, "\t{:sent-packet-too-big/%ju} " 1155 "{N:/output packet too big error%s}\n"); 1156 p(ifs6_out_echo, "\t{:sent-echo-requests/%ju} " 1157 "{N:/output echo request%s}\n"); 1158 p2(ifs6_out_echoreply, "\t{:sent-echo-replies/%ju} " 1159 "{N:/output echo repl%s}\n"); 1160 p(ifs6_out_routersolicit, "\t{:sent-router-solicitation/%ju} " 1161 "{N:/output router solicitation%s}\n"); 1162 p(ifs6_out_routeradvert, "\t{:sent-router-advertisement/%ju} " 1163 "{N:/output router advertisement%s}\n"); 1164 p(ifs6_out_neighborsolicit, "\t{:sent-neighbor-solicitation/%ju} " 1165 "{N:/output neighbor solicitation%s}\n"); 1166 p(ifs6_out_neighboradvert, "\t{:sent-neighbor-advertisement/%ju} " 1167 "{N:/output neighbor advertisement%s}\n"); 1168 p(ifs6_out_redirect, "\t{:sent-redirects/%ju} " 1169 "{N:/output redirect%s}\n"); 1170 p2(ifs6_out_mldquery, "\t{:sent-mld-queries/%ju} " 1171 "{N:/output MLD quer%s}\n"); 1172 p(ifs6_out_mldreport, "\t{:sent-mld-reports/%ju} " 1173 "{N:/output MLD report%s}\n"); 1174 p(ifs6_out_mlddone, "\t{:sent-mld-dones/%ju} " 1175 "{N:/output MLD done%s}\n"); 1176 1177end: 1178 xo_close_instance("icmp6-interface-statistics"); 1179 close(s); 1180#undef p 1181} 1182 1183/* 1184 * Dump PIM statistics structure. 1185 */ 1186void 1187pim6_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1188{ 1189 struct pim6stat pim6stat; 1190 1191 if (fetch_stats("net.inet6.pim.stats", off, &pim6stat, 1192 sizeof(pim6stat), kread) != 0) 1193 return; 1194 1195 xo_emit("{T:/%s}:\n", name); 1196 xo_open_container(name); 1197 1198#define p(f, m) if (pim6stat.f || sflag <= 1) \ 1199 xo_emit(m, (uintmax_t)pim6stat.f, plural(pim6stat.f)) 1200 1201 p(pim6s_rcv_total, "\t{:received-packets/%ju} " 1202 "{N:/message%s received}\n"); 1203 p(pim6s_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1204 "{N:/message%s received with too few bytes}\n"); 1205 p(pim6s_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1206 "{N:/message%s received with bad checksum}\n"); 1207 p(pim6s_rcv_badversion, "\t{:dropped-bad-version/%ju} " 1208 "{N:/message%s received with bad version}\n"); 1209 p(pim6s_rcv_registers, "\t{:received-registers/%ju} " 1210 "{N:/register%s received}\n"); 1211 p(pim6s_rcv_badregisters, "\t{:received-bad-registers/%ju} " 1212 "{N:/bad register%s received}\n"); 1213 p(pim6s_snd_registers, "\t{:sent-registers/%ju} " 1214 "{N:/register%s sent}\n"); 1215#undef p 1216 xo_close_container(name); 1217} 1218 1219/* 1220 * Dump raw ip6 statistics structure. 1221 */ 1222void 1223rip6_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1224{ 1225 struct rip6stat rip6stat; 1226 u_quad_t delivered; 1227 1228 if (fetch_stats("net.inet6.ip6.rip6stats", off, &rip6stat, 1229 sizeof(rip6stat), kread_counters) != 0) 1230 return; 1231 1232 xo_emit("{T:/%s}:\n", name); 1233 xo_open_container(name); 1234 1235#define p(f, m) if (rip6stat.f || sflag <= 1) \ 1236 xo_emit(m, (uintmax_t)rip6stat.f, plural(rip6stat.f)) 1237 1238 p(rip6s_ipackets, "\t{:received-packets/%ju} " 1239 "{N:/message%s received}\n"); 1240 p(rip6s_isum, "\t{:input-checksum-computation/%ju} " 1241 "{N:/checksum calculation%s on inbound}\n"); 1242 p(rip6s_badsum, "\t{:received-bad-checksum/%ju} " 1243 "{N:/message%s with bad checksum}\n"); 1244 p(rip6s_nosock, "\t{:dropped-no-socket/%ju} " 1245 "{N:/message%s dropped due to no socket}\n"); 1246 p(rip6s_nosockmcast, "\t{:dropped-multicast-no-socket/%ju} " 1247 "{N:/multicast message%s dropped due to no socket}\n"); 1248 p(rip6s_fullsock, "\t{:dropped-full-socket-buffer/%ju} " 1249 "{N:/message%s dropped due to full socket buffers}\n"); 1250 delivered = rip6stat.rip6s_ipackets - 1251 rip6stat.rip6s_badsum - 1252 rip6stat.rip6s_nosock - 1253 rip6stat.rip6s_nosockmcast - 1254 rip6stat.rip6s_fullsock; 1255 if (delivered || sflag <= 1) 1256 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n", 1257 (uintmax_t)delivered); 1258 p(rip6s_opackets, "\t{:sent-packets/%ju} " 1259 "{N:/datagram%s output}\n"); 1260#undef p 1261 xo_close_container(name); 1262} 1263 1264/* 1265 * Pretty print an Internet address (net address + port). 1266 * Take numeric_addr and numeric_port into consideration. 1267 */ 1268#define GETSERVBYPORT6(port, proto, ret)\ 1269{\ 1270 if (strcmp((proto), "tcp6") == 0)\ 1271 (ret) = getservbyport((int)(port), "tcp");\ 1272 else if (strcmp((proto), "udp6") == 0)\ 1273 (ret) = getservbyport((int)(port), "udp");\ 1274 else\ 1275 (ret) = getservbyport((int)(port), (proto));\ 1276}; 1277 1278void 1279inet6print(const char *container, struct in6_addr *in6, int port, 1280 const char *proto, int numeric) 1281{ 1282 struct servent *sp = 0; 1283 char line[80], *cp; 1284 int width; 1285 size_t alen, plen; 1286 1287 if (container) 1288 xo_open_container(container); 1289 1290 snprintf(line, sizeof(line), "%.*s.", 1291 Wflag ? 39 : (Aflag && !numeric) ? 12 : 16, 1292 inet6name(in6)); 1293 alen = strlen(line); 1294 cp = line + alen; 1295 if (!numeric && port) 1296 GETSERVBYPORT6(port, proto, sp); 1297 if (sp || port == 0) 1298 snprintf(cp, sizeof(line) - alen, 1299 "%.15s", sp ? sp->s_name : "*"); 1300 else 1301 snprintf(cp, sizeof(line) - alen, 1302 "%d", ntohs((u_short)port)); 1303 width = Wflag ? 45 : Aflag ? 18 : 22; 1304 1305 xo_emit("{d:target/%-*.*s} ", width, width, line); 1306 1307 plen = strlen(cp); 1308 alen--; 1309 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 1310 plen, cp); 1311 1312 if (container) 1313 xo_close_container(container); 1314} 1315 1316/* 1317 * Construct an Internet address representation. 1318 * If the numeric_addr has been supplied, give 1319 * numeric value, otherwise try for symbolic name. 1320 */ 1321 1322char * 1323inet6name(struct in6_addr *ia6) 1324{ 1325 struct sockaddr_in6 sin6; 1326 char hbuf[NI_MAXHOST], *cp; 1327 static char line[NI_MAXHOST]; 1328 static char domain[MAXHOSTNAMELEN]; 1329 static int first = 1; 1330 int flags, error; 1331 1332 if (IN6_IS_ADDR_UNSPECIFIED(ia6)) { 1333 strcpy(line, "*"); 1334 return (line); 1335 } 1336 if (first && !numeric_addr) { 1337 first = 0; 1338 if (gethostname(domain, sizeof(domain)) == 0 && 1339 (cp = strchr(domain, '.'))) 1340 strlcpy(domain, cp + 1, sizeof(domain)); 1341 else 1342 domain[0] = 0; 1343 } 1344 memset(&sin6, 0, sizeof(sin6)); 1345 memcpy(&sin6.sin6_addr, ia6, sizeof(*ia6)); 1346 sin6.sin6_family = AF_INET6; 1347 /* XXX: ia6.s6_addr[2] can contain scopeid. */ 1348 in6_fillscopeid(&sin6); 1349 flags = (numeric_addr) ? NI_NUMERICHOST : 0; 1350 error = getnameinfo((struct sockaddr *)&sin6, sizeof(sin6), hbuf, 1351 sizeof(hbuf), NULL, 0, flags); 1352 if (error == 0) { 1353 if ((flags & NI_NUMERICHOST) == 0 && 1354 (cp = strchr(hbuf, '.')) && 1355 !strcmp(cp + 1, domain)) 1356 *cp = 0; 1357 strlcpy(line, hbuf, sizeof(line)); 1358 } else { 1359 /* XXX: this should not happen. */ 1360 snprintf(line, sizeof(line), "%s", 1361 inet_ntop(AF_INET6, (void *)&sin6.sin6_addr, ntop_buf, 1362 sizeof(ntop_buf))); 1363 } 1364 return (line); 1365} 1366#endif /*INET6*/ 1367