inet6.c revision 102975
154263Sshin/* BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp */ 254263Sshin/* 354263Sshin * Copyright (c) 1983, 1988, 1993 454263Sshin * The Regents of the University of California. All rights reserved. 554263Sshin * 654263Sshin * Redistribution and use in source and binary forms, with or without 754263Sshin * modification, are permitted provided that the following conditions 854263Sshin * are met: 954263Sshin * 1. Redistributions of source code must retain the above copyright 1054263Sshin * notice, this list of conditions and the following disclaimer. 1154263Sshin * 2. Redistributions in binary form must reproduce the above copyright 1254263Sshin * notice, this list of conditions and the following disclaimer in the 1354263Sshin * documentation and/or other materials provided with the distribution. 1454263Sshin * 3. All advertising materials mentioning features or use of this software 1554263Sshin * must display the following acknowledgement: 1654263Sshin * This product includes software developed by the University of 1754263Sshin * California, Berkeley and its contributors. 1854263Sshin * 4. Neither the name of the University nor the names of its contributors 1954263Sshin * may be used to endorse or promote products derived from this software 2054263Sshin * without specific prior written permission. 2154263Sshin * 2254263Sshin * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2354263Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2454263Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2554263Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2654263Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2754263Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2854263Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2954263Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3054263Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3154263Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3254263Sshin * SUCH DAMAGE. 3354263Sshin * 3454263Sshin * $FreeBSD: head/usr.bin/netstat/inet6.c 102975 2002-09-05 17:06:51Z dwmalone $ 3554263Sshin */ 3654263Sshin 3754263Sshin#ifndef lint 3854263Sshin/* 3954263Sshinstatic char sccsid[] = "@(#)inet6.c 8.4 (Berkeley) 4/20/94"; 4054263Sshin*/ 4154263Sshin#endif /* not lint */ 4254263Sshin 4364342Sume#ifdef INET6 4454263Sshin#include <sys/param.h> 4554263Sshin#include <sys/socket.h> 4654263Sshin#include <sys/socketvar.h> 4754263Sshin#include <sys/ioctl.h> 4854263Sshin#include <sys/mbuf.h> 4954263Sshin#include <sys/protosw.h> 5078064Sume#include <sys/sysctl.h> 5154263Sshin 5254263Sshin#include <net/route.h> 5354263Sshin#include <net/if.h> 5454263Sshin#include <net/if_var.h> 5554263Sshin#include <netinet/in.h> 5654263Sshin#include <netinet/ip6.h> 5754263Sshin#include <netinet/icmp6.h> 5854263Sshin#include <netinet/in_systm.h> 5954263Sshin#include <netinet6/in6_pcb.h> 6054263Sshin#include <netinet6/in6_var.h> 6154263Sshin#include <netinet6/ip6_var.h> 6254263Sshin#include <netinet6/pim6_var.h> 6378064Sume#include <netinet6/raw_ip6.h> 6454263Sshin 6554263Sshin#include <arpa/inet.h> 6654263Sshin#include <netdb.h> 6754263Sshin 6854263Sshin#include <stdio.h> 6954263Sshin#include <string.h> 7054263Sshin#include <unistd.h> 7154263Sshin#include "netstat.h" 7254263Sshin 7354263Sshinstruct socket sockb; 7454263Sshin 7578314Sassarchar *inet6name (struct in6_addr *); 7654263Sshin 7754263Sshinstatic char ntop_buf[INET6_ADDRSTRLEN]; 7854263Sshin 79102975Sdwmalonestatic const char *ip6nh[] = { 8054263Sshin "hop by hop", 8154263Sshin "ICMP", 8254263Sshin "IGMP", 8354263Sshin "#3", 8454263Sshin "IP", 8554263Sshin "#5", 8654263Sshin "TCP", 8754263Sshin "#7", 8854263Sshin "#8", 8954263Sshin "#9", 9054263Sshin "#10", 9154263Sshin "#11", 9254263Sshin "#12", 9354263Sshin "#13", 9454263Sshin "#14", 9554263Sshin "#15", 9654263Sshin "#16", 9754263Sshin "UDP", 9854263Sshin "#18", 9954263Sshin "#19", 10054263Sshin "#20", 10154263Sshin "#21", 10254263Sshin "IDP", 10354263Sshin "#23", 10454263Sshin "#24", 10554263Sshin "#25", 10654263Sshin "#26", 10754263Sshin "#27", 10854263Sshin "#28", 10954263Sshin "TP", 11054263Sshin "#30", 11154263Sshin "#31", 11254263Sshin "#32", 11354263Sshin "#33", 11454263Sshin "#34", 11554263Sshin "#35", 11654263Sshin "#36", 11754263Sshin "#37", 11854263Sshin "#38", 11954263Sshin "#39", 12054263Sshin "#40", 12154263Sshin "IP6", 12254263Sshin "#42", 12354263Sshin "routing", 12454263Sshin "fragment", 12554263Sshin "#45", 12654263Sshin "#46", 12754263Sshin "#47", 12854263Sshin "#48", 12954263Sshin "#49", 13054263Sshin "ESP", 13154263Sshin "AH", 13254263Sshin "#52", 13354263Sshin "#53", 13454263Sshin "#54", 13554263Sshin "#55", 13654263Sshin "#56", 13754263Sshin "#57", 13854263Sshin "ICMP6", 13954263Sshin "no next header", 14054263Sshin "destination option", 14154263Sshin "#61", 14254263Sshin "#62", 14354263Sshin "#63", 14454263Sshin "#64", 14554263Sshin "#65", 14654263Sshin "#66", 14754263Sshin "#67", 14854263Sshin "#68", 14954263Sshin "#69", 15054263Sshin "#70", 15154263Sshin "#71", 15254263Sshin "#72", 15354263Sshin "#73", 15454263Sshin "#74", 15554263Sshin "#75", 15654263Sshin "#76", 15754263Sshin "#77", 15854263Sshin "#78", 15954263Sshin "#79", 16054263Sshin "ISOIP", 16154263Sshin "#81", 16254263Sshin "#82", 16354263Sshin "#83", 16454263Sshin "#84", 16554263Sshin "#85", 16654263Sshin "#86", 16754263Sshin "#87", 16854263Sshin "#88", 16962584Sitojun "OSPF", 17054263Sshin "#80", 17154263Sshin "#91", 17254263Sshin "#92", 17354263Sshin "#93", 17454263Sshin "#94", 17554263Sshin "#95", 17654263Sshin "#96", 17754263Sshin "Ethernet", 17854263Sshin "#98", 17954263Sshin "#99", 18054263Sshin "#100", 18154263Sshin "#101", 18254263Sshin "#102", 18354263Sshin "PIM", 18454263Sshin "#104", 18554263Sshin "#105", 18654263Sshin "#106", 18754263Sshin "#107", 18854263Sshin "#108", 18954263Sshin "#109", 19054263Sshin "#110", 19154263Sshin "#111", 19254263Sshin "#112", 19354263Sshin "#113", 19454263Sshin "#114", 19554263Sshin "#115", 19654263Sshin "#116", 19754263Sshin "#117", 19854263Sshin "#118", 19954263Sshin "#119", 20054263Sshin "#120", 20154263Sshin "#121", 20254263Sshin "#122", 20354263Sshin "#123", 20454263Sshin "#124", 20554263Sshin "#125", 20654263Sshin "#126", 20754263Sshin "#127", 20854263Sshin "#128", 20954263Sshin "#129", 21054263Sshin "#130", 21154263Sshin "#131", 21254263Sshin "#132", 21354263Sshin "#133", 21454263Sshin "#134", 21554263Sshin "#135", 21654263Sshin "#136", 21754263Sshin "#137", 21854263Sshin "#138", 21954263Sshin "#139", 22054263Sshin "#140", 22154263Sshin "#141", 22254263Sshin "#142", 22354263Sshin "#143", 22454263Sshin "#144", 22554263Sshin "#145", 22654263Sshin "#146", 22754263Sshin "#147", 22854263Sshin "#148", 22954263Sshin "#149", 23054263Sshin "#150", 23154263Sshin "#151", 23254263Sshin "#152", 23354263Sshin "#153", 23454263Sshin "#154", 23554263Sshin "#155", 23654263Sshin "#156", 23754263Sshin "#157", 23854263Sshin "#158", 23954263Sshin "#159", 24054263Sshin "#160", 24154263Sshin "#161", 24254263Sshin "#162", 24354263Sshin "#163", 24454263Sshin "#164", 24554263Sshin "#165", 24654263Sshin "#166", 24754263Sshin "#167", 24854263Sshin "#168", 24954263Sshin "#169", 25054263Sshin "#170", 25154263Sshin "#171", 25254263Sshin "#172", 25354263Sshin "#173", 25454263Sshin "#174", 25554263Sshin "#175", 25654263Sshin "#176", 25754263Sshin "#177", 25854263Sshin "#178", 25954263Sshin "#179", 26054263Sshin "#180", 26154263Sshin "#181", 26254263Sshin "#182", 26354263Sshin "#183", 26454263Sshin "#184", 26554263Sshin "#185", 26654263Sshin "#186", 26754263Sshin "#187", 26854263Sshin "#188", 26954263Sshin "#189", 27054263Sshin "#180", 27154263Sshin "#191", 27254263Sshin "#192", 27354263Sshin "#193", 27454263Sshin "#194", 27554263Sshin "#195", 27654263Sshin "#196", 27754263Sshin "#197", 27854263Sshin "#198", 27954263Sshin "#199", 28054263Sshin "#200", 28154263Sshin "#201", 28254263Sshin "#202", 28354263Sshin "#203", 28454263Sshin "#204", 28554263Sshin "#205", 28654263Sshin "#206", 28754263Sshin "#207", 28854263Sshin "#208", 28954263Sshin "#209", 29054263Sshin "#210", 29154263Sshin "#211", 29254263Sshin "#212", 29354263Sshin "#213", 29454263Sshin "#214", 29554263Sshin "#215", 29654263Sshin "#216", 29754263Sshin "#217", 29854263Sshin "#218", 29954263Sshin "#219", 30054263Sshin "#220", 30154263Sshin "#221", 30254263Sshin "#222", 30354263Sshin "#223", 30454263Sshin "#224", 30554263Sshin "#225", 30654263Sshin "#226", 30754263Sshin "#227", 30854263Sshin "#228", 30954263Sshin "#229", 31054263Sshin "#230", 31154263Sshin "#231", 31254263Sshin "#232", 31354263Sshin "#233", 31454263Sshin "#234", 31554263Sshin "#235", 31654263Sshin "#236", 31754263Sshin "#237", 31854263Sshin "#238", 31954263Sshin "#239", 32054263Sshin "#240", 32154263Sshin "#241", 32254263Sshin "#242", 32354263Sshin "#243", 32454263Sshin "#244", 32554263Sshin "#245", 32654263Sshin "#246", 32754263Sshin "#247", 32854263Sshin "#248", 32954263Sshin "#249", 33054263Sshin "#250", 33154263Sshin "#251", 33254263Sshin "#252", 33354263Sshin "#253", 33454263Sshin "#254", 33554263Sshin "#255", 33654263Sshin}; 33754263Sshin 33854263Sshin/* 33954263Sshin * Dump IP6 statistics structure. 34054263Sshin */ 34154263Sshinvoid 342102975Sdwmaloneip6_stats(u_long off __unused, const char *name, int af1 __unused) 34354263Sshin{ 34454263Sshin struct ip6stat ip6stat; 34554263Sshin int first, i; 34678931Sume int mib[4]; 34778931Sume size_t len; 34854263Sshin 34978931Sume mib[0] = CTL_NET; 35078931Sume mib[1] = PF_INET6; 35178931Sume mib[2] = IPPROTO_IPV6; 35278931Sume mib[3] = IPV6CTL_STATS; 35354263Sshin 35478931Sume len = sizeof ip6stat; 35578931Sume memset(&ip6stat, 0, len); 35678931Sume if (sysctl(mib, 4, &ip6stat, &len, (void *)0, 0) < 0) 35774453Sphk return; 35854263Sshin printf("%s:\n", name); 35954263Sshin 36054263Sshin#define p(f, m) if (ip6stat.f || sflag <= 1) \ 36162584Sitojun printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f)) 36254263Sshin#define p1a(f, m) if (ip6stat.f || sflag <= 1) \ 36362584Sitojun printf(m, (unsigned long long)ip6stat.f) 36454263Sshin 36562584Sitojun p(ip6s_total, "\t%llu total packet%s received\n"); 36662584Sitojun p1a(ip6s_toosmall, "\t%llu with size smaller than minimum\n"); 36762584Sitojun p1a(ip6s_tooshort, "\t%llu with data size < data length\n"); 36862584Sitojun p1a(ip6s_badoptions, "\t%llu with bad options\n"); 36962584Sitojun p1a(ip6s_badvers, "\t%llu with incorrect version number\n"); 37062584Sitojun p(ip6s_fragments, "\t%llu fragment%s received\n"); 37162584Sitojun p(ip6s_fragdropped, "\t%llu fragment%s dropped (dup or out of space)\n"); 37262584Sitojun p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n"); 37362584Sitojun p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n"); 37462584Sitojun p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n"); 37562584Sitojun p(ip6s_delivered, "\t%llu packet%s for this host\n"); 37662584Sitojun p(ip6s_forward, "\t%llu packet%s forwarded\n"); 37762584Sitojun p(ip6s_cantforward, "\t%llu packet%s not forwardable\n"); 37862584Sitojun p(ip6s_redirectsent, "\t%llu redirect%s sent\n"); 37962584Sitojun p(ip6s_localout, "\t%llu packet%s sent from this host\n"); 38062584Sitojun p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n"); 38162584Sitojun p(ip6s_odropped, "\t%llu output packet%s dropped due to no bufs, etc.\n"); 38262584Sitojun p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n"); 38362584Sitojun p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n"); 38462584Sitojun p(ip6s_ofragments, "\t%llu fragment%s created\n"); 38562584Sitojun p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n"); 38662584Sitojun p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n"); 38762584Sitojun p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n"); 38854263Sshin for (first = 1, i = 0; i < 256; i++) 38954263Sshin if (ip6stat.ip6s_nxthist[i] != 0) { 39054263Sshin if (first) { 39154263Sshin printf("\tInput histogram:\n"); 39254263Sshin first = 0; 39354263Sshin } 39462584Sitojun printf("\t\t%s: %llu\n", ip6nh[i], 39562584Sitojun (unsigned long long)ip6stat.ip6s_nxthist[i]); 39654263Sshin } 39754263Sshin printf("\tMbuf statistics:\n"); 39862584Sitojun printf("\t\t%llu one mbuf\n", (unsigned long long)ip6stat.ip6s_m1); 39954263Sshin for (first = 1, i = 0; i < 32; i++) { 40055163Sshin char ifbuf[IFNAMSIZ]; 40154263Sshin if (ip6stat.ip6s_m2m[i] != 0) { 40254263Sshin if (first) { 40354263Sshin printf("\t\ttwo or more mbuf:\n"); 40454263Sshin first = 0; 40554263Sshin } 40662584Sitojun printf("\t\t\t%s= %llu\n", 40762584Sitojun if_indextoname(i, ifbuf), 40862584Sitojun (unsigned long long)ip6stat.ip6s_m2m[i]); 40954263Sshin } 41054263Sshin } 41162584Sitojun printf("\t\t%llu one ext mbuf\n", 41262584Sitojun (unsigned long long)ip6stat.ip6s_mext1); 41362584Sitojun printf("\t\t%llu two or more ext mbuf\n", 41462584Sitojun (unsigned long long)ip6stat.ip6s_mext2m); 41562584Sitojun p(ip6s_exthdrtoolong, 41662584Sitojun "\t%llu packet%s whose headers are not continuous\n"); 41762584Sitojun p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n"); 41862584Sitojun p(ip6s_toomanyhdr, 41962584Sitojun "\t%llu packet%s discarded due to too may headers\n"); 42062584Sitojun 42162584Sitojun /* for debugging source address selection */ 42262584Sitojun#define PRINT_SCOPESTAT(s,i) do {\ 42362584Sitojun switch(i) { /* XXX hardcoding in each case */\ 42462584Sitojun case 1:\ 42562584Sitojun p(s, "\t\t%llu node-local%s\n");\ 42662584Sitojun break;\ 42762584Sitojun case 2:\ 42862584Sitojun p(s,"\t\t%llu link-local%s\n");\ 42962584Sitojun break;\ 43062584Sitojun case 5:\ 43162584Sitojun p(s,"\t\t%llu site-local%s\n");\ 43262584Sitojun break;\ 43362584Sitojun case 14:\ 43462584Sitojun p(s,"\t\t%llu global%s\n");\ 43562584Sitojun break;\ 43662584Sitojun default:\ 43762584Sitojun printf("\t\t%llu addresses scope=%x\n",\ 43862584Sitojun (unsigned long long)ip6stat.s, i);\ 43962584Sitojun }\ 44062584Sitojun } while (0); 44162584Sitojun 44262584Sitojun p(ip6s_sources_none, 44362584Sitojun "\t%llu failure%s of source address selection\n"); 44462584Sitojun for (first = 1, i = 0; i < 16; i++) { 44562584Sitojun if (ip6stat.ip6s_sources_sameif[i]) { 44662584Sitojun if (first) { 44762584Sitojun printf("\tsource addresses on an outgoing I/F\n"); 44862584Sitojun first = 0; 44962584Sitojun } 45062584Sitojun PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); 45162584Sitojun } 45262584Sitojun } 45362584Sitojun for (first = 1, i = 0; i < 16; i++) { 45462584Sitojun if (ip6stat.ip6s_sources_otherif[i]) { 45562584Sitojun if (first) { 45662584Sitojun printf("\tsource addresses on a non-outgoing I/F\n"); 45762584Sitojun first = 0; 45862584Sitojun } 45962584Sitojun PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); 46062584Sitojun } 46162584Sitojun } 46262584Sitojun for (first = 1, i = 0; i < 16; i++) { 46362584Sitojun if (ip6stat.ip6s_sources_samescope[i]) { 46462584Sitojun if (first) { 46562584Sitojun printf("\tsource addresses of same scope\n"); 46662584Sitojun first = 0; 46762584Sitojun } 46862584Sitojun PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); 46962584Sitojun } 47062584Sitojun } 47162584Sitojun for (first = 1, i = 0; i < 16; i++) { 47262584Sitojun if (ip6stat.ip6s_sources_otherscope[i]) { 47362584Sitojun if (first) { 47462584Sitojun printf("\tsource addresses of a different scope\n"); 47562584Sitojun first = 0; 47662584Sitojun } 47762584Sitojun PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); 47862584Sitojun } 47962584Sitojun } 48062584Sitojun for (first = 1, i = 0; i < 16; i++) { 48162584Sitojun if (ip6stat.ip6s_sources_deprecated[i]) { 48262584Sitojun if (first) { 48362584Sitojun printf("\tdeprecated source addresses\n"); 48462584Sitojun first = 0; 48562584Sitojun } 48662584Sitojun PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); 48762584Sitojun } 48862584Sitojun } 48962584Sitojun 49062584Sitojun p1a(ip6s_forward_cachehit, "\t%llu forward cache hit\n"); 49162584Sitojun p1a(ip6s_forward_cachemiss, "\t%llu forward cache miss\n"); 49254263Sshin#undef p 49362584Sitojun#undef p1a 49454263Sshin} 49554263Sshin 49654263Sshin/* 49754263Sshin * Dump IPv6 per-interface statistics based on RFC 2465. 49854263Sshin */ 49954263Sshinvoid 50078314Sassarip6_ifstats(char *ifname) 50154263Sshin{ 50254263Sshin struct in6_ifreq ifr; 50354263Sshin int s; 50454263Sshin#define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 50562584Sitojun printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, plural(ifr.ifr_ifru.ifru_stat.f)) 50654263Sshin#define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 50762584Sitojun printf(m, (unsigned long long)ip6stat.f) 50854263Sshin 50954263Sshin if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 51054263Sshin perror("Warning: socket(AF_INET6)"); 51154263Sshin return; 51254263Sshin } 51354263Sshin 51454263Sshin strcpy(ifr.ifr_name, ifname); 51554263Sshin printf("ip6 on %s:\n", ifr.ifr_name); 51654263Sshin 51754263Sshin if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 51854263Sshin perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 51954263Sshin goto end; 52054263Sshin } 52154263Sshin 52262584Sitojun p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 52362584Sitojun p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 52462584Sitojun p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 52562584Sitojun p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 52662584Sitojun p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 52762584Sitojun p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 52862584Sitojun p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 52962584Sitojun p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 53054263Sshin p(ifs6_in_deliver, 53162584Sitojun "\t%llu datagram%s delivered to an upper layer protocol\n"); 53262584Sitojun p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 53354263Sshin p(ifs6_out_request, 53462584Sitojun "\t%llu datagram%s sent from an upper layer protocol\n"); 53562584Sitojun p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 53662584Sitojun p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 53762584Sitojun p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 53862584Sitojun p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 53962584Sitojun p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 54062584Sitojun p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 54162584Sitojun p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 54262584Sitojun p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 54362584Sitojun p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 54454263Sshin 54554263Sshin end: 54654263Sshin close(s); 54754263Sshin 54854263Sshin#undef p 54954263Sshin#undef p_5 55054263Sshin} 55154263Sshin 552102975Sdwmalonestatic const char *icmp6names[] = { 55354263Sshin "#0", 55454263Sshin "unreach", 55554263Sshin "packet too big", 55654263Sshin "time exceed", 55754263Sshin "parameter problem", 55854263Sshin "#5", 55954263Sshin "#6", 56054263Sshin "#7", 56154263Sshin "#8", 56254263Sshin "#9", 56354263Sshin "#10", 56454263Sshin "#11", 56554263Sshin "#12", 56654263Sshin "#13", 56754263Sshin "#14", 56854263Sshin "#15", 56954263Sshin "#16", 57054263Sshin "#17", 57154263Sshin "#18", 57254263Sshin "#19", 57354263Sshin "#20", 57454263Sshin "#21", 57554263Sshin "#22", 57654263Sshin "#23", 57754263Sshin "#24", 57854263Sshin "#25", 57954263Sshin "#26", 58054263Sshin "#27", 58154263Sshin "#28", 58254263Sshin "#29", 58354263Sshin "#30", 58454263Sshin "#31", 58554263Sshin "#32", 58654263Sshin "#33", 58754263Sshin "#34", 58854263Sshin "#35", 58954263Sshin "#36", 59054263Sshin "#37", 59154263Sshin "#38", 59254263Sshin "#39", 59354263Sshin "#40", 59454263Sshin "#41", 59554263Sshin "#42", 59654263Sshin "#43", 59754263Sshin "#44", 59854263Sshin "#45", 59954263Sshin "#46", 60054263Sshin "#47", 60154263Sshin "#48", 60254263Sshin "#49", 60354263Sshin "#50", 60454263Sshin "#51", 60554263Sshin "#52", 60654263Sshin "#53", 60754263Sshin "#54", 60854263Sshin "#55", 60954263Sshin "#56", 61054263Sshin "#57", 61154263Sshin "#58", 61254263Sshin "#59", 61354263Sshin "#60", 61454263Sshin "#61", 61554263Sshin "#62", 61654263Sshin "#63", 61754263Sshin "#64", 61854263Sshin "#65", 61954263Sshin "#66", 62054263Sshin "#67", 62154263Sshin "#68", 62254263Sshin "#69", 62354263Sshin "#70", 62454263Sshin "#71", 62554263Sshin "#72", 62654263Sshin "#73", 62754263Sshin "#74", 62854263Sshin "#75", 62954263Sshin "#76", 63054263Sshin "#77", 63154263Sshin "#78", 63254263Sshin "#79", 63354263Sshin "#80", 63454263Sshin "#81", 63554263Sshin "#82", 63654263Sshin "#83", 63754263Sshin "#84", 63854263Sshin "#85", 63954263Sshin "#86", 64054263Sshin "#87", 64154263Sshin "#88", 64254263Sshin "#89", 64354263Sshin "#80", 64454263Sshin "#91", 64554263Sshin "#92", 64654263Sshin "#93", 64754263Sshin "#94", 64854263Sshin "#95", 64954263Sshin "#96", 65054263Sshin "#97", 65154263Sshin "#98", 65254263Sshin "#99", 65354263Sshin "#100", 65454263Sshin "#101", 65554263Sshin "#102", 65654263Sshin "#103", 65754263Sshin "#104", 65854263Sshin "#105", 65954263Sshin "#106", 66054263Sshin "#107", 66154263Sshin "#108", 66254263Sshin "#109", 66354263Sshin "#110", 66454263Sshin "#111", 66554263Sshin "#112", 66654263Sshin "#113", 66754263Sshin "#114", 66854263Sshin "#115", 66954263Sshin "#116", 67054263Sshin "#117", 67154263Sshin "#118", 67254263Sshin "#119", 67354263Sshin "#120", 67454263Sshin "#121", 67554263Sshin "#122", 67654263Sshin "#123", 67754263Sshin "#124", 67854263Sshin "#125", 67954263Sshin "#126", 68054263Sshin "#127", 68154263Sshin "echo", 68254263Sshin "echo reply", 68354263Sshin "multicast listener query", 68454263Sshin "multicast listener report", 68554263Sshin "multicast listener done", 68654263Sshin "router solicitation", 68777565Sdd "router advertisement", 68854263Sshin "neighbor solicitation", 68977565Sdd "neighbor advertisement", 69054263Sshin "redirect", 69154263Sshin "router renumbering", 69254263Sshin "node information request", 69354263Sshin "node information reply", 69478540Ssumikawa "inverse neighbor solicitation", 69578540Ssumikawa "inverse neighbor advertisement", 69654263Sshin "#143", 69754263Sshin "#144", 69854263Sshin "#145", 69954263Sshin "#146", 70054263Sshin "#147", 70154263Sshin "#148", 70254263Sshin "#149", 70354263Sshin "#150", 70454263Sshin "#151", 70554263Sshin "#152", 70654263Sshin "#153", 70754263Sshin "#154", 70854263Sshin "#155", 70954263Sshin "#156", 71054263Sshin "#157", 71154263Sshin "#158", 71254263Sshin "#159", 71354263Sshin "#160", 71454263Sshin "#161", 71554263Sshin "#162", 71654263Sshin "#163", 71754263Sshin "#164", 71854263Sshin "#165", 71954263Sshin "#166", 72054263Sshin "#167", 72154263Sshin "#168", 72254263Sshin "#169", 72354263Sshin "#170", 72454263Sshin "#171", 72554263Sshin "#172", 72654263Sshin "#173", 72754263Sshin "#174", 72854263Sshin "#175", 72954263Sshin "#176", 73054263Sshin "#177", 73154263Sshin "#178", 73254263Sshin "#179", 73354263Sshin "#180", 73454263Sshin "#181", 73554263Sshin "#182", 73654263Sshin "#183", 73754263Sshin "#184", 73854263Sshin "#185", 73954263Sshin "#186", 74054263Sshin "#187", 74154263Sshin "#188", 74254263Sshin "#189", 74354263Sshin "#180", 74454263Sshin "#191", 74554263Sshin "#192", 74654263Sshin "#193", 74754263Sshin "#194", 74854263Sshin "#195", 74954263Sshin "#196", 75054263Sshin "#197", 75154263Sshin "#198", 75254263Sshin "#199", 75354263Sshin "#200", 75454263Sshin "#201", 75554263Sshin "#202", 75654263Sshin "#203", 75754263Sshin "#204", 75854263Sshin "#205", 75954263Sshin "#206", 76054263Sshin "#207", 76154263Sshin "#208", 76254263Sshin "#209", 76354263Sshin "#210", 76454263Sshin "#211", 76554263Sshin "#212", 76654263Sshin "#213", 76754263Sshin "#214", 76854263Sshin "#215", 76954263Sshin "#216", 77054263Sshin "#217", 77154263Sshin "#218", 77254263Sshin "#219", 77354263Sshin "#220", 77454263Sshin "#221", 77554263Sshin "#222", 77654263Sshin "#223", 77754263Sshin "#224", 77854263Sshin "#225", 77954263Sshin "#226", 78054263Sshin "#227", 78154263Sshin "#228", 78254263Sshin "#229", 78354263Sshin "#230", 78454263Sshin "#231", 78554263Sshin "#232", 78654263Sshin "#233", 78754263Sshin "#234", 78854263Sshin "#235", 78954263Sshin "#236", 79054263Sshin "#237", 79154263Sshin "#238", 79254263Sshin "#239", 79354263Sshin "#240", 79454263Sshin "#241", 79554263Sshin "#242", 79654263Sshin "#243", 79754263Sshin "#244", 79854263Sshin "#245", 79954263Sshin "#246", 80054263Sshin "#247", 80154263Sshin "#248", 80254263Sshin "#249", 80354263Sshin "#250", 80454263Sshin "#251", 80554263Sshin "#252", 80654263Sshin "#253", 80754263Sshin "#254", 80854263Sshin "#255", 80954263Sshin}; 81054263Sshin 81154263Sshin/* 81254263Sshin * Dump ICMP6 statistics. 81354263Sshin */ 81454263Sshinvoid 815102975Sdwmaloneicmp6_stats(u_long off __unused, const char *name, int af1 __unused) 81654263Sshin{ 81754263Sshin struct icmp6stat icmp6stat; 81895637Smarkm int i, first; 81978931Sume int mib[4]; 82078931Sume size_t len; 82154263Sshin 82278931Sume mib[0] = CTL_NET; 82378931Sume mib[1] = PF_INET6; 82478931Sume mib[2] = IPPROTO_ICMPV6; 82578931Sume mib[3] = ICMPV6CTL_STATS; 82678931Sume 82778931Sume len = sizeof icmp6stat; 82878931Sume memset(&icmp6stat, 0, len); 82978931Sume if (sysctl(mib, 4, &icmp6stat, &len, (void *)0, 0) < 0) 83054263Sshin return; 83154263Sshin printf("%s:\n", name); 83254263Sshin 83354263Sshin#define p(f, m) if (icmp6stat.f || sflag <= 1) \ 83462584Sitojun printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f)) 83562584Sitojun#define p_5(f, m) printf(m, (unsigned long long)icmp6stat.f) 83654263Sshin 83762584Sitojun p(icp6s_error, "\t%llu call%s to icmp_error\n"); 83854263Sshin p(icp6s_canterror, 83962584Sitojun "\t%llu error%s not generated because old message was icmp error or so\n"); 84054263Sshin p(icp6s_toofreq, 84162584Sitojun "\t%llu error%s not generated because rate limitation\n"); 84295637Smarkm#define NELEM (int)(sizeof(icmp6stat.icp6s_outhist)/sizeof(icmp6stat.icp6s_outhist[0])) 84378540Ssumikawa for (first = 1, i = 0; i < NELEM; i++) 84454263Sshin if (icmp6stat.icp6s_outhist[i] != 0) { 84554263Sshin if (first) { 84654263Sshin printf("\tOutput histogram:\n"); 84754263Sshin first = 0; 84854263Sshin } 84962584Sitojun printf("\t\t%s: %llu\n", icmp6names[i], 85062584Sitojun (unsigned long long)icmp6stat.icp6s_outhist[i]); 85154263Sshin } 85278540Ssumikawa#undef NELEM 85362584Sitojun p(icp6s_badcode, "\t%llu message%s with bad code fields\n"); 85462584Sitojun p(icp6s_tooshort, "\t%llu message%s < minimum length\n"); 85562584Sitojun p(icp6s_checksum, "\t%llu bad checksum%s\n"); 85662584Sitojun p(icp6s_badlen, "\t%llu message%s with bad length\n"); 85795637Smarkm#define NELEM (int)(sizeof(icmp6stat.icp6s_inhist)/sizeof(icmp6stat.icp6s_inhist[0])) 85878540Ssumikawa for (first = 1, i = 0; i < NELEM; i++) 85954263Sshin if (icmp6stat.icp6s_inhist[i] != 0) { 86054263Sshin if (first) { 86154263Sshin printf("\tInput histogram:\n"); 86254263Sshin first = 0; 86354263Sshin } 86462584Sitojun printf("\t\t%s: %llu\n", icmp6names[i], 86562584Sitojun (unsigned long long)icmp6stat.icp6s_inhist[i]); 86654263Sshin } 86778540Ssumikawa#undef NELEM 86877565Sdd printf("\tHistogram of error messages to be generated:\n"); 86962584Sitojun p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n"); 87062584Sitojun p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n"); 87162584Sitojun p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n"); 87262584Sitojun p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n"); 87362584Sitojun p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n"); 87462584Sitojun p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n"); 87562584Sitojun p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n"); 87662584Sitojun p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n"); 87762584Sitojun p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n"); 87862584Sitojun p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n"); 87962584Sitojun p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n"); 88062584Sitojun p_5(icp6s_oredirect, "\t\t%llu redirect\n"); 88162584Sitojun p_5(icp6s_ounknown, "\t\t%llu unknown\n"); 88262584Sitojun 88362584Sitojun p(icp6s_reflect, "\t%llu message response%s generated\n"); 88462584Sitojun p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n"); 88578064Sume p(icp6s_nd_badopt, "\t%qu message%s with bad ND options\n"); 88678064Sume p(icp6s_badns, "\t%qu bad neighbor solicitation message%s\n"); 88778064Sume p(icp6s_badna, "\t%qu bad neighbor advertisement message%s\n"); 88878064Sume p(icp6s_badrs, "\t%qu bad router solicitation message%s\n"); 88978064Sume p(icp6s_badra, "\t%qu bad router advertisement message%s\n"); 89078064Sume p(icp6s_badredirect, "\t%qu bad redirect message%s\n"); 89178064Sume p(icp6s_pmtuchg, "\t%llu path MTU change%s\n"); 89254263Sshin#undef p 89354263Sshin#undef p_5 89454263Sshin} 89554263Sshin 89654263Sshin/* 89754263Sshin * Dump ICMPv6 per-interface statistics based on RFC 2466. 89854263Sshin */ 89954263Sshinvoid 90078314Sassaricmp6_ifstats(char *ifname) 90154263Sshin{ 90254263Sshin struct in6_ifreq ifr; 90354263Sshin int s; 90454263Sshin#define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 90562584Sitojun printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 90654263Sshin 90754263Sshin if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 90854263Sshin perror("Warning: socket(AF_INET6)"); 90954263Sshin return; 91054263Sshin } 91154263Sshin 91254263Sshin strcpy(ifr.ifr_name, ifname); 91354263Sshin printf("icmp6 on %s:\n", ifr.ifr_name); 91454263Sshin 91554263Sshin if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 91654263Sshin perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 91754263Sshin goto end; 91854263Sshin } 91954263Sshin 92062584Sitojun p(ifs6_in_msg, "\t%llu total input message%s\n"); 92162584Sitojun p(ifs6_in_error, "\t%llu total input error message%s\n"); 92262584Sitojun p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 92362584Sitojun p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 92462584Sitojun p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 92562584Sitojun p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 92662584Sitojun p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 92762584Sitojun p(ifs6_in_echo, "\t%llu input echo request%s\n"); 92862584Sitojun p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 92962584Sitojun p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 93062584Sitojun p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 93162584Sitojun p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 93262584Sitojun p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 93362584Sitojun p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 93462584Sitojun p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 93562584Sitojun p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 93662584Sitojun p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 93754263Sshin 93862584Sitojun p(ifs6_out_msg, "\t%llu total output message%s\n"); 93962584Sitojun p(ifs6_out_error, "\t%llu total output error message%s\n"); 94062584Sitojun p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 94162584Sitojun p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 94262584Sitojun p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 94362584Sitojun p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 94462584Sitojun p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 94562584Sitojun p(ifs6_out_echo, "\t%llu output echo request%s\n"); 94662584Sitojun p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 94762584Sitojun p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 94862584Sitojun p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 94962584Sitojun p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 95062584Sitojun p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 95162584Sitojun p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 95262584Sitojun p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 95362584Sitojun p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 95462584Sitojun p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 95554263Sshin 95654263Sshin end: 95754263Sshin close(s); 95854263Sshin#undef p 95954263Sshin} 96054263Sshin 96154263Sshin/* 96254263Sshin * Dump PIM statistics structure. 96354263Sshin */ 96454263Sshinvoid 965102975Sdwmalonepim6_stats(u_long off __unused, const char *name, int af1 __unused) 96654263Sshin{ 96754263Sshin struct pim6stat pim6stat; 96854263Sshin 96954263Sshin if (off == 0) 97054263Sshin return; 97154263Sshin kread(off, (char *)&pim6stat, sizeof(pim6stat)); 97254263Sshin printf("%s:\n", name); 97354263Sshin 97454263Sshin#define p(f, m) if (pim6stat.f || sflag <= 1) \ 97562584Sitojun printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f)) 97662584Sitojun p(pim6s_rcv_total, "\t%llu message%s received\n"); 97762584Sitojun p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n"); 97862584Sitojun p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n"); 97962584Sitojun p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n"); 98062584Sitojun p(pim6s_rcv_registers, "\t%llu register%s received\n"); 98162584Sitojun p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n"); 98262584Sitojun p(pim6s_snd_registers, "\t%llu register%s sent\n"); 98354263Sshin#undef p 98454263Sshin} 98554263Sshin 98654263Sshin/* 98778064Sume * Dump raw ip6 statistics structure. 98878064Sume */ 98978064Sumevoid 990102975Sdwmalonerip6_stats(u_long off __unused, const char *name, int af1 __unused) 99178064Sume{ 99278064Sume struct rip6stat rip6stat; 99378064Sume u_quad_t delivered; 99478064Sume int mib[4]; 99578064Sume size_t l; 99678064Sume 99778064Sume mib[0] = CTL_NET; 99878064Sume mib[1] = PF_INET6; 99978064Sume mib[2] = IPPROTO_IPV6; 100078064Sume mib[3] = IPV6CTL_RIP6STATS; 100178064Sume l = sizeof(rip6stat); 100278064Sume if (sysctl(mib, 4, &rip6stat, &l, NULL, 0) < 0) { 100378064Sume perror("Warning: sysctl(net.inet6.ip6.rip6stats)"); 100478064Sume return; 100578064Sume } 100678064Sume 100778064Sume printf("%s:\n", name); 100878064Sume 100978064Sume#define p(f, m) if (rip6stat.f || sflag <= 1) \ 101078064Sume printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f)) 101178064Sume p(rip6s_ipackets, "\t%llu message%s received\n"); 101278064Sume p(rip6s_isum, "\t%llu checksum calcuration%s on inbound\n"); 101378064Sume p(rip6s_badsum, "\t%llu message%s with bad checksum\n"); 101478064Sume p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n"); 101578064Sume p(rip6s_nosockmcast, 101678064Sume "\t%llu multicast message%s dropped due to no socket\n"); 101778064Sume p(rip6s_fullsock, 101878064Sume "\t%llu message%s dropped due to full socket buffers\n"); 101978064Sume delivered = rip6stat.rip6s_ipackets - 102078064Sume rip6stat.rip6s_badsum - 102178064Sume rip6stat.rip6s_nosock - 102278064Sume rip6stat.rip6s_nosockmcast - 102378064Sume rip6stat.rip6s_fullsock; 102478064Sume if (delivered || sflag <= 1) 102578064Sume printf("\t%llu delivered\n", (unsigned long long)delivered); 102678064Sume p(rip6s_opackets, "\t%llu datagram%s output\n"); 102778064Sume#undef p 102878064Sume} 102978064Sume 103078064Sume/* 103154263Sshin * Pretty print an Internet address (net address + port). 103278238Sassar * Take numeric_addr and numeric_port into consideration. 103354263Sshin */ 103454263Sshin#define GETSERVBYPORT6(port, proto, ret)\ 103554263Sshin{\ 103654263Sshin if (strcmp((proto), "tcp6") == 0)\ 103754263Sshin (ret) = getservbyport((int)(port), "tcp");\ 103854263Sshin else if (strcmp((proto), "udp6") == 0)\ 103954263Sshin (ret) = getservbyport((int)(port), "udp");\ 104054263Sshin else\ 104154263Sshin (ret) = getservbyport((int)(port), (proto));\ 104254263Sshin}; 104354263Sshin 104454263Sshinvoid 1045102975Sdwmaloneinet6print(struct in6_addr *in6, int port, const char *proto, int numeric) 104654263Sshin{ 104754263Sshin struct servent *sp = 0; 104854263Sshin char line[80], *cp; 104954263Sshin int width; 105054263Sshin 105183200Sru sprintf(line, "%.*s.", Wflag ? 39 : 105254263Sshin (Aflag && !numeric) ? 12 : 16, inet6name(in6)); 105354263Sshin cp = index(line, '\0'); 105454263Sshin if (!numeric && port) 105554263Sshin GETSERVBYPORT6(port, proto, sp); 105654263Sshin if (sp || port == 0) 105754263Sshin sprintf(cp, "%.8s", sp ? sp->s_name : "*"); 105854263Sshin else 105954263Sshin sprintf(cp, "%d", ntohs((u_short)port)); 106083200Sru width = Wflag ? 45 : Aflag ? 18 : 22; 106155533Sshin printf("%-*.*s ", width, width, line); 106254263Sshin} 106354263Sshin 106454263Sshin/* 106554263Sshin * Construct an Internet address representation. 106678238Sassar * If the numeric_addr has been supplied, give 106754263Sshin * numeric value, otherwise try for symbolic name. 106854263Sshin */ 106954263Sshin 107054263Sshinchar * 107178314Sassarinet6name(struct in6_addr *in6p) 107254263Sshin{ 1073102975Sdwmalone char *cp; 107454263Sshin static char line[50]; 107554263Sshin struct hostent *hp; 107674262Sbrian static char domain[MAXHOSTNAMELEN]; 107754263Sshin static int first = 1; 107854263Sshin 107978238Sassar if (first && !numeric_addr) { 108054263Sshin first = 0; 108154263Sshin if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 108254263Sshin (cp = index(domain, '.'))) 108354263Sshin (void) strcpy(domain, cp + 1); 108454263Sshin else 108554263Sshin domain[0] = 0; 108654263Sshin } 108754263Sshin cp = 0; 108878238Sassar if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 108954263Sshin hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 109054263Sshin if (hp) { 109154263Sshin if ((cp = index(hp->h_name, '.')) && 109254263Sshin !strcmp(cp + 1, domain)) 109354263Sshin *cp = 0; 109454263Sshin cp = hp->h_name; 109554263Sshin } 109654263Sshin } 109754263Sshin if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 109854263Sshin strcpy(line, "*"); 109954263Sshin else if (cp) 110054263Sshin strcpy(line, cp); 110154263Sshin else 110254263Sshin sprintf(line, "%s", 110354263Sshin inet_ntop(AF_INET6, (void *)in6p, ntop_buf, 110454263Sshin sizeof(ntop_buf))); 110554263Sshin return (line); 110654263Sshin} 110764342Sume#endif /*INET6*/ 1108