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 35 static 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 75 static char ntop_buf[INET6_ADDRSTRLEN]; 76 77 static 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 }; 335 336 static 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 */ 358 void 359 ip6_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 */ 610 void 611 ip6_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 } 684 685 static 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 */ 947 void 948 icmp6_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 xo_close_container("errors"); 1067 p(icp6s_pmtuchg, "\t{:path-mtu-changes/%ju} {N:/path MTU change%s}\n"); 1068 #undef p 1069 #undef p_5 1070 xo_close_container(name); 1071 } 1072 1073 /* 1074 * Dump ICMPv6 per-interface statistics based on RFC 2466. 1075 */ 1076 void 1077 icmp6_ifstats(char *ifname) 1078 { 1079 struct in6_ifreq ifr; 1080 int s; 1081 1082 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1083 xo_emit(m, (uintmax_t)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1084 plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 1085 #define p2(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1086 xo_emit(m, (uintmax_t)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1087 pluralies(ifr.ifr_ifru.ifru_icmp6stat.f)) 1088 1089 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1090 xo_warn("Warning: socket(AF_INET6)"); 1091 return; 1092 } 1093 1094 strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1095 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 1096 if (errno != EPFNOSUPPORT) 1097 xo_warn("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 1098 goto end; 1099 } 1100 1101 xo_emit("{T:/icmp6 on %s}:\n", ifr.ifr_name); 1102 1103 xo_open_instance("icmp6-interface-statistics"); 1104 xo_emit("{ke:name/%s}", ifr.ifr_name); 1105 p(ifs6_in_msg, "\t{:received-packets/%ju} " 1106 "{N:/total input message%s}\n"); 1107 p(ifs6_in_error, "\t{:received-errors/%ju} " 1108 "{N:/total input error message%s}\n"); 1109 p(ifs6_in_dstunreach, "\t{:received-destination-unreachable/%ju} " 1110 "{N:/input destination unreachable error%s}\n"); 1111 p(ifs6_in_adminprohib, "\t{:received-admin-prohibited/%ju} " 1112 "{N:/input administratively prohibited error%s}\n"); 1113 p(ifs6_in_timeexceed, "\t{:received-time-exceeded/%ju} " 1114 "{N:/input time exceeded error%s}\n"); 1115 p(ifs6_in_paramprob, "\t{:received-bad-parameter/%ju} " 1116 "{N:/input parameter problem error%s}\n"); 1117 p(ifs6_in_pkttoobig, "\t{:received-packet-too-big/%ju} " 1118 "{N:/input packet too big error%s}\n"); 1119 p(ifs6_in_echo, "\t{:received-echo-requests/%ju} " 1120 "{N:/input echo request%s}\n"); 1121 p2(ifs6_in_echoreply, "\t{:received-echo-replies/%ju} " 1122 "{N:/input echo repl%s}\n"); 1123 p(ifs6_in_routersolicit, "\t{:received-router-solicitation/%ju} " 1124 "{N:/input router solicitation%s}\n"); 1125 p(ifs6_in_routeradvert, "\t{:received-router-advertisement/%ju} " 1126 "{N:/input router advertisement%s}\n"); 1127 p(ifs6_in_neighborsolicit, "\t{:received-neighbor-solicitation/%ju} " 1128 "{N:/input neighbor solicitation%s}\n"); 1129 p(ifs6_in_neighboradvert, "\t{:received-neighbor-advertisement/%ju} " 1130 "{N:/input neighbor advertisement%s}\n"); 1131 p(ifs6_in_redirect, "\t{received-redirects/%ju} " 1132 "{N:/input redirect%s}\n"); 1133 p2(ifs6_in_mldquery, "\t{:received-mld-queries/%ju} " 1134 "{N:/input MLD quer%s}\n"); 1135 p(ifs6_in_mldreport, "\t{:received-mld-reports/%ju} " 1136 "{N:/input MLD report%s}\n"); 1137 p(ifs6_in_mlddone, "\t{:received-mld-done/%ju} " 1138 "{N:/input MLD done%s}\n"); 1139 1140 p(ifs6_out_msg, "\t{:sent-packets/%ju} " 1141 "{N:/total output message%s}\n"); 1142 p(ifs6_out_error, "\t{:sent-errors/%ju} " 1143 "{N:/total output error message%s}\n"); 1144 p(ifs6_out_dstunreach, "\t{:sent-destination-unreachable/%ju} " 1145 "{N:/output destination unreachable error%s}\n"); 1146 p(ifs6_out_adminprohib, "\t{:sent-admin-prohibited/%ju} " 1147 "{N:/output administratively prohibited error%s}\n"); 1148 p(ifs6_out_timeexceed, "\t{:sent-time-exceeded/%ju} " 1149 "{N:/output time exceeded error%s}\n"); 1150 p(ifs6_out_paramprob, "\t{:sent-bad-parameter/%ju} " 1151 "{N:/output parameter problem error%s}\n"); 1152 p(ifs6_out_pkttoobig, "\t{:sent-packet-too-big/%ju} " 1153 "{N:/output packet too big error%s}\n"); 1154 p(ifs6_out_echo, "\t{:sent-echo-requests/%ju} " 1155 "{N:/output echo request%s}\n"); 1156 p2(ifs6_out_echoreply, "\t{:sent-echo-replies/%ju} " 1157 "{N:/output echo repl%s}\n"); 1158 p(ifs6_out_routersolicit, "\t{:sent-router-solicitation/%ju} " 1159 "{N:/output router solicitation%s}\n"); 1160 p(ifs6_out_routeradvert, "\t{:sent-router-advertisement/%ju} " 1161 "{N:/output router advertisement%s}\n"); 1162 p(ifs6_out_neighborsolicit, "\t{:sent-neighbor-solicitation/%ju} " 1163 "{N:/output neighbor solicitation%s}\n"); 1164 p(ifs6_out_neighboradvert, "\t{:sent-neighbor-advertisement/%ju} " 1165 "{N:/output neighbor advertisement%s}\n"); 1166 p(ifs6_out_redirect, "\t{:sent-redirects/%ju} " 1167 "{N:/output redirect%s}\n"); 1168 p2(ifs6_out_mldquery, "\t{:sent-mld-queries/%ju} " 1169 "{N:/output MLD quer%s}\n"); 1170 p(ifs6_out_mldreport, "\t{:sent-mld-reports/%ju} " 1171 "{N:/output MLD report%s}\n"); 1172 p(ifs6_out_mlddone, "\t{:sent-mld-dones/%ju} " 1173 "{N:/output MLD done%s}\n"); 1174 1175 end: 1176 xo_close_instance("icmp6-interface-statistics"); 1177 close(s); 1178 #undef p 1179 } 1180 1181 /* 1182 * Dump PIM statistics structure. 1183 */ 1184 void 1185 pim6_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1186 { 1187 struct pim6stat pim6stat; 1188 1189 if (fetch_stats("net.inet6.pim.stats", off, &pim6stat, 1190 sizeof(pim6stat), kread) != 0) 1191 return; 1192 1193 xo_emit("{T:/%s}:\n", name); 1194 xo_open_container(name); 1195 1196 #define p(f, m) if (pim6stat.f || sflag <= 1) \ 1197 xo_emit(m, (uintmax_t)pim6stat.f, plural(pim6stat.f)) 1198 1199 p(pim6s_rcv_total, "\t{:received-packets/%ju} " 1200 "{N:/message%s received}\n"); 1201 p(pim6s_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1202 "{N:/message%s received with too few bytes}\n"); 1203 p(pim6s_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1204 "{N:/message%s received with bad checksum}\n"); 1205 p(pim6s_rcv_badversion, "\t{:dropped-bad-version/%ju} " 1206 "{N:/message%s received with bad version}\n"); 1207 p(pim6s_rcv_registers, "\t{:received-registers/%ju} " 1208 "{N:/register%s received}\n"); 1209 p(pim6s_rcv_badregisters, "\t{:received-bad-registers/%ju} " 1210 "{N:/bad register%s received}\n"); 1211 p(pim6s_snd_registers, "\t{:sent-registers/%ju} " 1212 "{N:/register%s sent}\n"); 1213 #undef p 1214 xo_close_container(name); 1215 } 1216 1217 /* 1218 * Dump raw ip6 statistics structure. 1219 */ 1220 void 1221 rip6_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1222 { 1223 struct rip6stat rip6stat; 1224 u_quad_t delivered; 1225 1226 if (fetch_stats("net.inet6.ip6.rip6stats", off, &rip6stat, 1227 sizeof(rip6stat), kread_counters) != 0) 1228 return; 1229 1230 xo_emit("{T:/%s}:\n", name); 1231 xo_open_container(name); 1232 1233 #define p(f, m) if (rip6stat.f || sflag <= 1) \ 1234 xo_emit(m, (uintmax_t)rip6stat.f, plural(rip6stat.f)) 1235 1236 p(rip6s_ipackets, "\t{:received-packets/%ju} " 1237 "{N:/message%s received}\n"); 1238 p(rip6s_isum, "\t{:input-checksum-computation/%ju} " 1239 "{N:/checksum calculation%s on inbound}\n"); 1240 p(rip6s_badsum, "\t{:received-bad-checksum/%ju} " 1241 "{N:/message%s with bad checksum}\n"); 1242 p(rip6s_nosock, "\t{:dropped-no-socket/%ju} " 1243 "{N:/message%s dropped due to no socket}\n"); 1244 p(rip6s_nosockmcast, "\t{:dropped-multicast-no-socket/%ju} " 1245 "{N:/multicast message%s dropped due to no socket}\n"); 1246 p(rip6s_fullsock, "\t{:dropped-full-socket-buffer/%ju} " 1247 "{N:/message%s dropped due to full socket buffers}\n"); 1248 delivered = rip6stat.rip6s_ipackets - 1249 rip6stat.rip6s_badsum - 1250 rip6stat.rip6s_nosock - 1251 rip6stat.rip6s_nosockmcast - 1252 rip6stat.rip6s_fullsock; 1253 if (delivered || sflag <= 1) 1254 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n", 1255 (uintmax_t)delivered); 1256 p(rip6s_opackets, "\t{:sent-packets/%ju} " 1257 "{N:/datagram%s output}\n"); 1258 #undef p 1259 xo_close_container(name); 1260 } 1261 1262 /* 1263 * Pretty print an Internet address (net address + port). 1264 * Take numeric_addr and numeric_port into consideration. 1265 */ 1266 #define GETSERVBYPORT6(port, proto, ret)\ 1267 {\ 1268 if (strcmp((proto), "tcp6") == 0)\ 1269 (ret) = getservbyport((int)(port), "tcp");\ 1270 else if (strcmp((proto), "udp6") == 0)\ 1271 (ret) = getservbyport((int)(port), "udp");\ 1272 else\ 1273 (ret) = getservbyport((int)(port), (proto));\ 1274 }; 1275 1276 void 1277 inet6print(const char *container, struct in6_addr *in6, int port, 1278 const char *proto, int numeric) 1279 { 1280 struct servent *sp = 0; 1281 char line[80], *cp; 1282 int width; 1283 size_t alen, plen; 1284 1285 if (container) 1286 xo_open_container(container); 1287 1288 snprintf(line, sizeof(line), "%.*s.", 1289 Wflag ? 39 : (Aflag && !numeric) ? 12 : 16, 1290 inet6name(in6)); 1291 alen = strlen(line); 1292 cp = line + alen; 1293 if (!numeric && port) 1294 GETSERVBYPORT6(port, proto, sp); 1295 if (sp || port == 0) 1296 snprintf(cp, sizeof(line) - alen, 1297 "%.15s", sp ? sp->s_name : "*"); 1298 else 1299 snprintf(cp, sizeof(line) - alen, 1300 "%d", ntohs((u_short)port)); 1301 width = Wflag ? 45 : Aflag ? 18 : 22; 1302 1303 xo_emit("{d:target/%-*.*s} ", width, width, line); 1304 1305 plen = strlen(cp); 1306 alen--; 1307 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 1308 plen, cp); 1309 1310 if (container) 1311 xo_close_container(container); 1312 } 1313 1314 /* 1315 * Construct an Internet address representation. 1316 * If the numeric_addr has been supplied, give 1317 * numeric value, otherwise try for symbolic name. 1318 */ 1319 1320 char * 1321 inet6name(struct in6_addr *ia6) 1322 { 1323 struct sockaddr_in6 sin6; 1324 char hbuf[NI_MAXHOST], *cp; 1325 static char line[NI_MAXHOST]; 1326 static char domain[MAXHOSTNAMELEN]; 1327 static int first = 1; 1328 int flags, error; 1329 1330 if (IN6_IS_ADDR_UNSPECIFIED(ia6)) { 1331 strcpy(line, "*"); 1332 return (line); 1333 } 1334 if (first && !numeric_addr) { 1335 first = 0; 1336 if (gethostname(domain, sizeof(domain)) == 0 && 1337 (cp = strchr(domain, '.'))) 1338 strlcpy(domain, cp + 1, sizeof(domain)); 1339 else 1340 domain[0] = 0; 1341 } 1342 memset(&sin6, 0, sizeof(sin6)); 1343 memcpy(&sin6.sin6_addr, ia6, sizeof(*ia6)); 1344 sin6.sin6_family = AF_INET6; 1345 /* XXX: ia6.s6_addr[2] can contain scopeid. */ 1346 in6_fillscopeid(&sin6); 1347 flags = (numeric_addr) ? NI_NUMERICHOST : 0; 1348 error = getnameinfo((struct sockaddr *)&sin6, sizeof(sin6), hbuf, 1349 sizeof(hbuf), NULL, 0, flags); 1350 if (error == 0) { 1351 if ((flags & NI_NUMERICHOST) == 0 && 1352 (cp = strchr(hbuf, '.')) && 1353 !strcmp(cp + 1, domain)) 1354 *cp = 0; 1355 strlcpy(line, hbuf, sizeof(line)); 1356 } else { 1357 /* XXX: this should not happen. */ 1358 snprintf(line, sizeof(line), "%s", 1359 inet_ntop(AF_INET6, (void *)&sin6.sin6_addr, ntop_buf, 1360 sizeof(ntop_buf))); 1361 } 1362 return (line); 1363 } 1364 #endif /*INET6*/ 1365