/* $OpenBSD: inet6.c,v 1.36 2007/12/19 01:47:00 deraadt Exp $ */ /* BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp */ /* * Copyright (c) 1983, 1988, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef TCP6 #include #include #endif #include #include #include #include #include #if 0 #include "gethostbyname2.h" #endif #include #include #include #include #include #include "netstat.h" struct socket sockb; char *inet6name(struct in6_addr *); void inet6print(struct in6_addr *, int, char *); static char *ip6nh[] = { "hop by hop", "ICMP", "IGMP", "#3", "IP", "#5", "TCP", "#7", "#8", "#9", "#10", "#11", "#12", "#13", "#14", "#15", "#16", "UDP", "#18", "#19", "#20", "#21", "IDP", "#23", "#24", "#25", "#26", "#27", "#28", "TP", "#30", "#31", "#32", "#33", "#34", "#35", "#36", "#37", "#38", "#39", "#40", "IP6", "#42", "routing", "fragment", "#45", "#46", "#47", "#48", "#49", "ESP", "AH", "#52", "#53", "#54", "#55", "#56", "#57", "ICMP6", "no next header", "destination option", "#61", "#62", "#63", "#64", "#65", "#66", "#67", "#68", "#69", "#70", "#71", "#72", "#73", "#74", "#75", "#76", "#77", "#78", "#79", "ISOIP", "#81", "#82", "#83", "#84", "#85", "#86", "#87", "#88", "OSPF", "#80", "#91", "#92", "#93", "#94", "#95", "#96", "Ethernet", "#98", "#99", "#100", "#101", "#102", "PIM", "#104", "#105", "#106", "#107", "#108", "#109", "#110", "#111", "#112", "#113", "#114", "#115", "#116", "#117", "#118", "#119", "#120", "#121", "#122", "#123", "#124", "#125", "#126", "#127", "#128", "#129", "#130", "#131", "#132", "#133", "#134", "#135", "#136", "#137", "#138", "#139", "#140", "#141", "#142", "#143", "#144", "#145", "#146", "#147", "#148", "#149", "#150", "#151", "#152", "#153", "#154", "#155", "#156", "#157", "#158", "#159", "#160", "#161", "#162", "#163", "#164", "#165", "#166", "#167", "#168", "#169", "#170", "#171", "#172", "#173", "#174", "#175", "#176", "#177", "#178", "#179", "#180", "#181", "#182", "#183", "#184", "#185", "#186", "#187", "#188", "#189", "#180", "#191", "#192", "#193", "#194", "#195", "#196", "#197", "#198", "#199", "#200", "#201", "#202", "#203", "#204", "#205", "#206", "#207", "#208", "#209", "#210", "#211", "#212", "#213", "#214", "#215", "#216", "#217", "#218", "#219", "#220", "#221", "#222", "#223", "#224", "#225", "#226", "#227", "#228", "#229", "#230", "#231", "#232", "#233", "#234", "#235", "#236", "#237", "#238", "#239", "#240", "#241", "#242", "#243", "#244", "#245", "#246", "#247", "#248", "#249", "#250", "#251", "#252", "#253", "#254", "#255", }; /* * Dump IP6 statistics structure. */ void ip6_stats(char *name) { struct ip6stat ip6stat; int first, i; struct protoent *ep; const char *n; int mib[] = { CTL_NET, AF_INET6, IPPROTO_IPV6, IPV6CTL_STATS }; size_t len = sizeof(ip6stat); if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), &ip6stat, &len, NULL, 0) == -1) { if (errno != ENOPROTOOPT) warn(name); return; } printf("%s:\n", name); #define p(f, m) if (ip6stat.f || sflag <= 1) \ printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f)) #define p1(f, m) if (ip6stat.f || sflag <= 1) \ printf(m, (unsigned long long)ip6stat.f) p(ip6s_total, "\t%llu total packet%s received\n"); p1(ip6s_toosmall, "\t%llu with size smaller than minimum\n"); p1(ip6s_tooshort, "\t%llu with data size < data length\n"); p1(ip6s_badoptions, "\t%llu with bad options\n"); p1(ip6s_badvers, "\t%llu with incorrect version number\n"); p(ip6s_fragments, "\t%llu fragment%s received\n"); p(ip6s_fragdropped, "\t%llu fragment%s dropped (duplicates or out of space)\n"); p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n"); p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n"); p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n"); p(ip6s_delivered, "\t%llu packet%s for this host\n"); p(ip6s_forward, "\t%llu packet%s forwarded\n"); p(ip6s_cantforward, "\t%llu packet%s not forwardable\n"); p(ip6s_redirectsent, "\t%llu redirect%s sent\n"); p(ip6s_localout, "\t%llu packet%s sent from this host\n"); p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n"); p(ip6s_odropped, "\t%llu output packet%s dropped due to no bufs, etc.\n"); p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n"); p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n"); p(ip6s_ofragments, "\t%llu fragment%s created\n"); p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n"); p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n"); p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n"); for (first = 1, i = 0; i < 256; i++) if (ip6stat.ip6s_nxthist[i] != 0) { if (first) { printf("\tInput packet histogram:\n"); first = 0; } n = NULL; if (ip6nh[i]) n = ip6nh[i]; else if ((ep = getprotobynumber(i)) != NULL) n = ep->p_name; if (n) printf("\t\t%s: %llu\n", n, (unsigned long long)ip6stat.ip6s_nxthist[i]); else printf("\t\t#%d: %llu\n", i, (unsigned long long)ip6stat.ip6s_nxthist[i]); } printf("\tMbuf statistics:\n"); p(ip6s_m1, "\t\t%llu one mbuf%s\n"); for (first = 1, i = 0; i < 32; i++) { char ifbuf[IFNAMSIZ]; if (ip6stat.ip6s_m2m[i] != 0) { if (first) { printf("\t\ttwo or more mbuf:\n"); first = 0; } printf("\t\t\t%s = %llu\n", if_indextoname(i, ifbuf), (unsigned long long)ip6stat.ip6s_m2m[i]); } } p(ip6s_mext1, "\t\t%llu one ext mbuf%s\n"); p(ip6s_mext2m, "\t\t%llu two or more ext mbuf%s\n"); p(ip6s_exthdrtoolong, "\t%llu packet%s whose headers are not continuous\n"); p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n"); p(ip6s_toomanyhdr, "\t%llu packet%s discarded due to too many headers\n"); /* for debugging source address selection */ #define PRINT_SCOPESTAT(s,i) do {\ switch(i) { /* XXX hardcoding in each case */\ case 1:\ p(s, "\t\t%llu node-local%s\n");\ break;\ case 2:\ p(s, "\t\t%llu link-local%s\n");\ break;\ case 5:\ p(s, "\t\t%llu site-local%s\n");\ break;\ case 14:\ p(s, "\t\t%llu global%s\n");\ break;\ default:\ printf("\t\t%llu addresses scope=%x\n",\ (unsigned long long)ip6stat.s, i);\ }\ } while(0); p(ip6s_sources_none, "\t%llu failure%s of source address selection\n"); for (first = 1, i = 0; i < 16; i++) { if (ip6stat.ip6s_sources_sameif[i]) { if (first) { printf("\tsource addresses on an outgoing I/F\n"); first = 0; } PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); } } for (first = 1, i = 0; i < 16; i++) { if (ip6stat.ip6s_sources_otherif[i]) { if (first) { printf("\tsource addresses on a non-outgoing I/F\n"); first = 0; } PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); } } for (first = 1, i = 0; i < 16; i++) { if (ip6stat.ip6s_sources_samescope[i]) { if (first) { printf("\tsource addresses of same scope\n"); first = 0; } PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); } } for (first = 1, i = 0; i < 16; i++) { if (ip6stat.ip6s_sources_otherscope[i]) { if (first) { printf("\tsource addresses of a different scope\n"); first = 0; } PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); } } for (first = 1, i = 0; i < 16; i++) { if (ip6stat.ip6s_sources_deprecated[i]) { if (first) { printf("\tdeprecated source addresses\n"); first = 0; } PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); } } p1(ip6s_forward_cachehit, "\t%llu forward cache hit\n"); p1(ip6s_forward_cachemiss, "\t%llu forward cache miss\n"); #undef p #undef p1 } /* * Dump IPv6 per-interface statistics based on RFC 2465. */ void ip6_ifstats(char *ifname) { struct in6_ifreq ifr; int s; #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, \ plural(ifr.ifr_ifru.ifru_stat.f)) #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ printf(m, (unsigned long long)ip6stat.f) if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { perror("Warning: socket(AF_INET6)"); return; } strlcpy(ifr.ifr_name, ifname, sizeof ifr.ifr_name); printf("ip6 on %s:\n", ifr.ifr_name); if (ioctl(s, SIOCGIFSTAT_IN6, &ifr) < 0) { perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); goto end; } p(ifs6_in_receive, "\t%llu total input datagram%s\n"); p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); p(ifs6_in_deliver, "\t%llu datagram%s delivered to an upper layer protocol\n"); p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); p(ifs6_out_request, "\t%llu datagram%s sent from an upper layer protocol\n"); p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); end: close(s); #undef p #undef p_5 } static char *icmp6names[] = { "#0", "unreach", "packet too big", "time exceed", "parameter problem", "#5", "#6", "#7", "#8", "#9", "#10", "#11", "#12", "#13", "#14", "#15", "#16", "#17", "#18", "#19", "#20", "#21", "#22", "#23", "#24", "#25", "#26", "#27", "#28", "#29", "#30", "#31", "#32", "#33", "#34", "#35", "#36", "#37", "#38", "#39", "#40", "#41", "#42", "#43", "#44", "#45", "#46", "#47", "#48", "#49", "#50", "#51", "#52", "#53", "#54", "#55", "#56", "#57", "#58", "#59", "#60", "#61", "#62", "#63", "#64", "#65", "#66", "#67", "#68", "#69", "#70", "#71", "#72", "#73", "#74", "#75", "#76", "#77", "#78", "#79", "#80", "#81", "#82", "#83", "#84", "#85", "#86", "#87", "#88", "#89", "#80", "#91", "#92", "#93", "#94", "#95", "#96", "#97", "#98", "#99", "#100", "#101", "#102", "#103", "#104", "#105", "#106", "#107", "#108", "#109", "#110", "#111", "#112", "#113", "#114", "#115", "#116", "#117", "#118", "#119", "#120", "#121", "#122", "#123", "#124", "#125", "#126", "#127", "echo", "echo reply", "multicast listener query", "multicast listener report", "multicast listener done", "router solicitation", "router advertisement", "neighbor solicitation", "neighbor advertisement", "redirect", "router renumbering", "node information request", "node information reply", "#141", "#142", "#143", "#144", "#145", "#146", "#147", "#148", "#149", "#150", "#151", "#152", "#153", "#154", "#155", "#156", "#157", "#158", "#159", "#160", "#161", "#162", "#163", "#164", "#165", "#166", "#167", "#168", "#169", "#170", "#171", "#172", "#173", "#174", "#175", "#176", "#177", "#178", "#179", "#180", "#181", "#182", "#183", "#184", "#185", "#186", "#187", "#188", "#189", "#180", "#191", "#192", "#193", "#194", "#195", "#196", "#197", "#198", "#199", "#200", "#201", "#202", "#203", "#204", "#205", "#206", "#207", "#208", "#209", "#210", "#211", "#212", "#213", "#214", "#215", "#216", "#217", "#218", "#219", "#220", "#221", "#222", "#223", "#224", "#225", "#226", "#227", "#228", "#229", "#230", "#231", "#232", "#233", "#234", "#235", "#236", "#237", "#238", "#239", "#240", "#241", "#242", "#243", "#244", "#245", "#246", "#247", "#248", "#249", "#250", "#251", "#252", "#253", "#254", "#255", }; /* * Dump ICMPv6 statistics. */ void icmp6_stats(char *name) { struct icmp6stat icmp6stat; int i, first; int mib[] = { CTL_NET, AF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_STATS }; size_t len = sizeof(icmp6stat); if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), &icmp6stat, &len, NULL, 0) == -1) { if (errno != ENOPROTOOPT) warn(name); return; } printf("%s:\n", name); #define p(f, m) if (icmp6stat.f || sflag <= 1) \ printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f)) #define p_5(f, m) if (icmp6stat.f || sflag <= 1) \ printf(m, (unsigned long long)icmp6stat.f) p(icp6s_error, "\t%llu call%s to icmp6_error\n"); p(icp6s_canterror, "\t%llu error%s not generated because old message was icmp6 or so\n"); p(icp6s_toofreq, "\t%llu error%s not generated because of rate limitation\n"); for (first = 1, i = 0; i < 256; i++) if (icmp6stat.icp6s_outhist[i] != 0) { if (first) { printf("\tOutput packet histogram:\n"); first = 0; } printf("\t\t%s: %llu\n", icmp6names[i], (unsigned long long)icmp6stat.icp6s_outhist[i]); } p(icp6s_badcode, "\t%llu message%s with bad code fields\n"); p(icp6s_tooshort, "\t%llu message%s < minimum length\n"); p(icp6s_checksum, "\t%llu bad checksum%s\n"); p(icp6s_badlen, "\t%llu message%s with bad length\n"); for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) if (icmp6stat.icp6s_inhist[i] != 0) { if (first) { printf("\tInput packet histogram:\n"); first = 0; } printf("\t\t%s: %llu\n", icmp6names[i], (unsigned long long)icmp6stat.icp6s_inhist[i]); } printf("\tHistogram of error messages to be generated:\n"); p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n"); p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n"); p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n"); p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n"); p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n"); p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n"); p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n"); p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n"); p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n"); p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n"); p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n"); p_5(icp6s_oredirect, "\t\t%llu redirect\n"); p_5(icp6s_ounknown, "\t\t%llu unknown\n"); p(icp6s_reflect, "\t%llu message response%s generated\n"); p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n"); p(icp6s_nd_badopt, "\t%llu message%s with bad ND options\n"); p(icp6s_badns, "\t%llu bad neighbor solicitation message%s\n"); p(icp6s_badna, "\t%llu bad neighbor advertisement message%s\n"); p(icp6s_badrs, "\t%llu bad router solicitation message%s\n"); p(icp6s_badra, "\t%llu bad router advertisement message%s\n"); p(icp6s_badredirect, "\t%llu bad redirect message%s\n"); p(icp6s_pmtuchg, "\t%llu path MTU change%s\n"); #undef p #undef p_5 } /* * Dump ICMPv6 per-interface statistics based on RFC 2466. */ void icmp6_ifstats(char *ifname) { struct in6_ifreq ifr; int s; #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, \ plural(ifr.ifr_ifru.ifru_icmp6stat.f)) if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { perror("Warning: socket(AF_INET6)"); return; } strlcpy(ifr.ifr_name, ifname, sizeof ifr.ifr_name); printf("icmp6 on %s:\n", ifr.ifr_name); if (ioctl(s, SIOCGIFSTAT_ICMP6, &ifr) < 0) { perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); goto end; } p(ifs6_in_msg, "\t%llu total input message%s\n"); p(ifs6_in_error, "\t%llu total input error message%s\n"); p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); p(ifs6_in_echo, "\t%llu input echo request%s\n"); p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); p(ifs6_in_redirect, "\t%llu input redirect%s\n"); p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); p(ifs6_out_msg, "\t%llu total output message%s\n"); p(ifs6_out_error, "\t%llu total output error message%s\n"); p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); p(ifs6_out_echo, "\t%llu output echo request%s\n"); p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); p(ifs6_out_redirect, "\t%llu output redirect%s\n"); p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); end: close(s); #undef p } /* * Dump PIM statistics structure. */ void pim6_stats(char *name) { struct pim6stat pim6stat; int mib[] = { CTL_NET, AF_INET6, IPPROTO_PIM, PIM6CTL_STATS }; size_t len = sizeof(pim6stat); if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), &pim6stat, &len, NULL, 0) == -1) { if (errno != ENOPROTOOPT) warn(name); return; } printf("%s:\n", name); #define p(f, m) if (pim6stat.f || sflag <= 1) \ printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f)) p(pim6s_rcv_total, "\t%llu message%s received\n"); p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n"); p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n"); p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n"); p(pim6s_rcv_registers, "\t%llu register%s received\n"); p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n"); p(pim6s_snd_registers, "\t%llu register%s sent\n"); #undef p } /* * Dump raw ip6 statistics structure. */ void rip6_stats(char *name) { struct rip6stat rip6stat; u_int64_t delivered; int mib[] = { CTL_NET, AF_INET6, IPPROTO_RAW, RIPV6CTL_STATS }; size_t len = sizeof(rip6stat); if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), &rip6stat, &len, NULL, 0) == -1) { if (errno != ENOPROTOOPT) warn(name); return; } printf("%s:\n", name); #define p(f, m) if (rip6stat.f || sflag <= 1) \ printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f)) p(rip6s_ipackets, "\t%llu message%s received\n"); p(rip6s_isum, "\t%llu checksum calculation%s on inbound\n"); p(rip6s_badsum, "\t%llu message%s with bad checksum\n"); p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n"); p(rip6s_nosockmcast, "\t%llu multicast message%s dropped due to no socket\n"); p(rip6s_fullsock, "\t%llu message%s dropped due to full socket buffers\n"); delivered = rip6stat.rip6s_ipackets - rip6stat.rip6s_badsum - rip6stat.rip6s_nosock - rip6stat.rip6s_nosockmcast - rip6stat.rip6s_fullsock; if (delivered || sflag <= 1) printf("\t%llu delivered\n", (unsigned long long)delivered); p(rip6s_opackets, "\t%llu datagram%s output\n"); #undef p } /* * Pretty print an Internet address (net address + port). * If the nflag was specified, use numbers instead of names. */ void inet6print(struct in6_addr *in6, int port, char *proto) { #define GETSERVBYPORT6(port, proto, ret) do { \ if (strcmp((proto), "tcp6") == 0) \ (ret) = getservbyport((int)(port), "tcp"); \ else if (strcmp((proto), "udp6") == 0) \ (ret) = getservbyport((int)(port), "udp"); \ else \ (ret) = getservbyport((int)(port), (proto)); \ } while (0) struct servent *sp = 0; char line[80], *cp; int width; int len = sizeof line; width = Aflag ? 12 : 16; if (vflag && width < strlen(inet6name(in6))) width = strlen(inet6name(in6)); snprintf(line, len, "%.*s.", width, inet6name(in6)); len -= strlen(line); if (len <= 0) goto bail; cp = strchr(line, '\0'); if (!nflag && port) GETSERVBYPORT6(port, proto, sp); if (sp || port == 0) snprintf(cp, len, "%.8s", sp ? sp->s_name : "*"); else snprintf(cp, len, "%d", ntohs((u_short)port)); width = Aflag ? 18 : 22; if (vflag && width < strlen(line)) width = strlen(line); bail: printf(" %-*.*s", width, width, line); } /* * Construct an Internet address representation. * If the nflag has been supplied, give * numeric value, otherwise try for symbolic name. */ char * inet6name(struct in6_addr *in6p) { char *cp; static char line[NI_MAXHOST]; struct hostent *hp; static char domain[MAXHOSTNAMELEN]; static int first = 1; char hbuf[NI_MAXHOST]; struct sockaddr_in6 sin6; const int niflag = NI_NUMERICHOST; if (first && !nflag) { first = 0; if (gethostname(domain, sizeof(domain)) == 0 && (cp = strchr(domain, '.'))) (void) strlcpy(domain, cp + 1, sizeof domain); else domain[0] = '\0'; } cp = 0; if (!nflag && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); if (hp) { if ((cp = strchr(hp->h_name, '.')) && !strcmp(cp + 1, domain)) *cp = 0; cp = hp->h_name; } } if (IN6_IS_ADDR_UNSPECIFIED(in6p)) strlcpy(line, "*", sizeof(line)); else if (cp) strlcpy(line, cp, sizeof(line)); else { memset(&sin6, 0, sizeof(sin6)); sin6.sin6_len = sizeof(sin6); sin6.sin6_family = AF_INET6; sin6.sin6_addr = *in6p; #ifdef __KAME__ if (IN6_IS_ADDR_LINKLOCAL(in6p) || IN6_IS_ADDR_MC_LINKLOCAL(in6p) || IN6_IS_ADDR_MC_INTFACELOCAL(in6p)) { sin6.sin6_scope_id = ntohs(*(u_int16_t *)&in6p->s6_addr[2]); sin6.sin6_addr.s6_addr[2] = 0; sin6.sin6_addr.s6_addr[3] = 0; } #endif if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) strlcpy(hbuf, "?", sizeof hbuf); strlcpy(line, hbuf, sizeof(line)); } return (line); } #ifdef TCP6 /* * Dump the contents of a TCP6 PCB. */ void tcp6_dump(u_long pcbaddr) { struct tcp6cb tcp6cb; int i; kread(pcbaddr, &tcp6cb, sizeof(tcp6cb)); printf("TCP Protocol Control Block at 0x%08lx:\n\n", pcbaddr); printf("Timers:\n"); for (i = 0; i < TCP6T_NTIMERS; i++) printf("\t%s: %u", tcp6timers[i], tcp6cb.t_timer[i]); printf("\n\n"); if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) printf("State: %d", tcp6cb.t_state); else printf("State: %s", tcp6states[tcp6cb.t_state]); printf(", flags 0x%x, in6pcb 0x%lx\n\n", tcp6cb.t_flags, (u_long)tcp6cb.t_in6pcb); printf("rxtshift %d, rxtcur %d, dupacks %d\n", tcp6cb.t_rxtshift, tcp6cb.t_rxtcur, tcp6cb.t_dupacks); printf("peermaxseg %u, maxseg %u, force %d\n\n", tcp6cb.t_peermaxseg, tcp6cb.t_maxseg, tcp6cb.t_force); printf("snd_una %u, snd_nxt %u, snd_up %u\n", tcp6cb.snd_una, tcp6cb.snd_nxt, tcp6cb.snd_up); printf("snd_wl1 %u, snd_wl2 %u, iss %u, snd_wnd %lu\n\n", tcp6cb.snd_wl1, tcp6cb.snd_wl2, tcp6cb.iss, tcp6cb.snd_wnd); printf("rcv_wnd %lu, rcv_nxt %u, rcv_up %u, irs %u\n\n", tcp6cb.rcv_wnd, tcp6cb.rcv_nxt, tcp6cb.rcv_up, tcp6cb.irs); printf("rcv_adv %u, snd_max %u, snd_cwnd %lu, snd_ssthresh %lu\n", tcp6cb.rcv_adv, tcp6cb.snd_max, tcp6cb.snd_cwnd, tcp6cb.snd_ssthresh); printf("idle %d, rtt %d, rtseq %u, srtt %d, rttvar %d, rttmin %d, " "max_sndwnd %lu\n\n", tcp6cb.t_idle, tcp6cb.t_rtt, tcp6cb.t_rtseq, tcp6cb.t_srtt, tcp6cb.t_rttvar, tcp6cb.t_rttmin, tcp6cb.max_sndwnd); printf("oobflags %d, iobc %d, softerror %d\n\n", tcp6cb.t_oobflags, tcp6cb.t_iobc, tcp6cb.t_softerror); printf("snd_scale %d, rcv_scale %d, req_r_scale %d, req_s_scale %d\n", tcp6cb.snd_scale, tcp6cb.rcv_scale, tcp6cb.request_r_scale, tcp6cb.requested_s_scale); printf("ts_recent %u, ts_regent_age %d, last_ack_sent %u\n", tcp6cb.ts_recent, tcp6cb.ts_recent_age, tcp6cb.last_ack_sent); } #endif