diff options
Diffstat (limited to 'usr.bin/netstat/inet6.c')
| -rw-r--r-- | usr.bin/netstat/inet6.c | 1359 |
1 files changed, 1359 insertions, 0 deletions
diff --git a/usr.bin/netstat/inet6.c b/usr.bin/netstat/inet6.c new file mode 100644 index 000000000000..5995be299425 --- /dev/null +++ b/usr.bin/netstat/inet6.c @@ -0,0 +1,1359 @@ +/* BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp */ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * 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 <sys/cdefs.h> +#ifdef INET6 +#include <sys/param.h> +#include <sys/socket.h> +#include <sys/socketvar.h> +#include <sys/ioctl.h> +#include <sys/mbuf.h> +#include <sys/protosw.h> + +#include <net/route.h> +#include <net/if.h> +#include <netinet/in.h> +#include <netinet/ip6.h> +#include <netinet/icmp6.h> +#include <netinet/in_systm.h> +#include <netinet6/in6_pcb.h> +#include <netinet6/in6_var.h> +#include <netinet6/ip6_var.h> +#include <netinet6/pim6_var.h> +#include <netinet6/raw_ip6.h> + +#include <arpa/inet.h> +#include <netdb.h> + +#include <stdint.h> +#include <stdio.h> +#include <stdbool.h> +#include <errno.h> +#include <string.h> +#include <unistd.h> +#include <libxo/xo.h> +#include "netstat.h" + +static char ntop_buf[INET6_ADDRSTRLEN]; + +static const 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", + "mobility", + "#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", + "SCTP", + "#133", + "#134", + "#135", + "UDPLite", + "#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", +}; + +static const char *srcrule_str[] = { + "first candidate", + "same address", + "appropriate scope", + "deprecated address", + "home address", + "outgoing interface", + "matching label", + "public/temporary address", + "alive interface", + "better virtual status", + "preferred source", + "rule #11", + "rule #12", + "rule #13", + "longest match", + "rule #15", +}; + +/* + * Dump IP6 statistics structure. + */ +void +ip6_stats(u_long off, const char *name, int af1 __unused, int proto __unused) +{ + struct ip6stat ip6stat; + int first, i; + + if (fetch_stats("net.inet6.ip6.stats", off, &ip6stat, + sizeof(ip6stat), kread_counters) != 0) + return; + + xo_open_container(name); + xo_emit("{T:/%s}:\n", name); + +#define p(f, m) if (ip6stat.f || sflag <= 1) \ + xo_emit(m, (uintmax_t)ip6stat.f, plural(ip6stat.f)) +#define p1a(f, m) if (ip6stat.f || sflag <= 1) \ + xo_emit(m, (uintmax_t)ip6stat.f) + + p(ip6s_total, "\t{:received-packets/%ju} " + "{N:/total packet%s received}\n"); + p1a(ip6s_toosmall, "\t{:dropped-below-minimum-size/%ju} " + "{N:/with size smaller than minimum}\n"); + p1a(ip6s_tooshort, "\t{:dropped-short-packets/%ju} " + "{N:/with data size < data length}\n"); + p1a(ip6s_badoptions, "\t{:dropped-bad-options/%ju} " + "{N:/with bad options}\n"); + p1a(ip6s_badvers, "\t{:dropped-bad-version/%ju} " + "{N:/with incorrect version number}\n"); + p(ip6s_fragments, "\t{:received-fragments/%ju} " + "{N:/fragment%s received}\n"); + p(ip6s_fragdropped, "\t{:dropped-fragment/%ju} " + "{N:/fragment%s dropped (dup or out of space)}\n"); + p(ip6s_fragtimeout, "\t{:dropped-fragment-after-timeout/%ju} " + "{N:/fragment%s dropped after timeout}\n"); + p(ip6s_fragoverflow, "\t{:dropped-fragments-overflow/%ju} " + "{N:/fragment%s that exceeded limit}\n"); + p(ip6s_atomicfrags, "\t{:atomic-fragments/%ju} " + "{N:/atomic fragment%s}\n"); + p(ip6s_reassembled, "\t{:reassembled-packets/%ju} " + "{N:/packet%s reassembled ok}\n"); + p(ip6s_delivered, "\t{:received-local-packets/%ju} " + "{N:/packet%s for this host}\n"); + p(ip6s_forward, "\t{:forwarded-packets/%ju} " + "{N:/packet%s forwarded}\n"); + p(ip6s_cantforward, "\t{:packets-not-forwardable/%ju} " + "{N:/packet%s not forwardable}\n"); + p(ip6s_redirectsent, "\t{:sent-redirects/%ju} " + "{N:/redirect%s sent}\n"); + p(ip6s_localout, "\t{:sent-packets/%ju} " + "{N:/packet%s sent from this host}\n"); + p(ip6s_rawout, "\t{:send-packets-fabricated-header/%ju} " + "{N:/packet%s sent with fabricated ip header}\n"); + p(ip6s_odropped, "\t{:discard-no-mbufs/%ju} " + "{N:/output packet%s dropped due to no bufs, etc.}\n"); + p(ip6s_noroute, "\t{:discard-no-route/%ju} " + "{N:/output packet%s discarded due to no route}\n"); + p(ip6s_fragmented, "\t{:sent-fragments/%ju} " + "{N:/output datagram%s fragmented}\n"); + p(ip6s_ofragments, "\t{:fragments-created/%ju} " + "{N:/fragment%s created}\n"); + p(ip6s_cantfrag, "\t{:discard-cannot-fragment/%ju} " + "{N:/datagram%s that can't be fragmented}\n"); + p(ip6s_badscope, "\t{:discard-scope-violations/%ju} " + "{N:/packet%s that violated scope rules}\n"); + p(ip6s_notmember, "\t{:multicast-no-join-packets/%ju} " + "{N:/multicast packet%s which we don't join}\n"); + for (first = 1, i = 0; i < IP6S_HDRCNT; i++) + if (ip6stat.ip6s_nxthist[i] != 0) { + if (first) { + xo_emit("\t{T:Input histogram}:\n"); + xo_open_list("input-histogram"); + first = 0; + } + xo_open_instance("input-histogram"); + xo_emit("\t\t{k:name/%s}: {:count/%ju}\n", ip6nh[i], + (uintmax_t)ip6stat.ip6s_nxthist[i]); + xo_close_instance("input-histogram"); + } + if (!first) + xo_close_list("input-histogram"); + + xo_open_container("mbuf-statistics"); + xo_emit("\t{T:Mbuf statistics}:\n"); + xo_emit("\t\t{:one-mbuf/%ju} {N:/one mbuf}\n", + (uintmax_t)ip6stat.ip6s_m1); + for (first = 1, i = 0; i < IP6S_M2MMAX; i++) { + char ifbuf[IFNAMSIZ]; + if (ip6stat.ip6s_m2m[i] != 0) { + if (first) { + xo_emit("\t\t{N:two or more mbuf}:\n"); + xo_open_list("mbuf-data"); + first = 0; + } + xo_open_instance("mbuf-data"); + xo_emit("\t\t\t{k:name/%s}= {:count/%ju}\n", + if_indextoname(i, ifbuf), + (uintmax_t)ip6stat.ip6s_m2m[i]); + xo_close_instance("mbuf-data"); + } + } + if (!first) + xo_close_list("mbuf-data"); + xo_emit("\t\t{:one-extra-mbuf/%ju} {N:one ext mbuf}\n", + (uintmax_t)ip6stat.ip6s_mext1); + xo_emit("\t\t{:two-or-more-extra-mbufs/%ju} " + "{N:/two or more ext mbuf}\n", (uintmax_t)ip6stat.ip6s_mext2m); + xo_close_container("mbuf-statistics"); + + p(ip6s_exthdrtoolong, "\t{:dropped-header-too-long/%ju} " + "{N:/packet%s whose headers are not contiguous}\n"); + p(ip6s_nogif, "\t{:discard-tunnel-no-gif/%ju} " + "{N:/tunneling packet%s that can't find gif}\n"); + p(ip6s_toomanyhdr, "\t{:dropped-too-many-headers/%ju} " + "{N:/packet%s discarded because of 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{ke:name/interface-locals}{:count/%ju} " \ + "{N:/interface-local%s}\n"); \ + break;\ + case 2:\ + p(s,"\t\t{ke:name/link-locals}{:count/%ju} " \ + "{N:/link-local%s}\n"); \ + break;\ + case 5:\ + p(s,"\t\t{ke:name/site-locals}{:count/%ju} " \ + "{N:/site-local%s}\n");\ + break;\ + case 14:\ + p(s,"\t\t{ke:name/globals}{:count/%ju} " \ + "{N:/global%s}\n");\ + break;\ + default:\ + xo_emit("\t\t{qke:name/%#x}{:count/%ju} " \ + "{N:/addresses scope=%#x}\n",\ + i, (uintmax_t)ip6stat.s, i); \ + }\ + } while (0); + + xo_open_container("source-address-selection"); + p(ip6s_sources_none, "\t{:address-selection-failures/%ju} " + "{N:/failure%s of source address selection}\n"); + + for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) { + if (ip6stat.ip6s_sources_sameif[i]) { + if (first) { + xo_open_list("outgoing-interface"); + xo_emit("\tsource addresses on an outgoing " + "I/F\n"); + first = 0; + } + xo_open_instance("outgoing-interface"); + PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); + xo_close_instance("outgoing-interface"); + } + } + if (!first) + xo_close_list("outgoing-interface"); + + for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) { + if (ip6stat.ip6s_sources_otherif[i]) { + if (first) { + xo_open_list("non-outgoing-interface"); + xo_emit("\tsource addresses on a non-outgoing " + "I/F\n"); + first = 0; + } + xo_open_instance("non-outgoing-interface"); + PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); + xo_close_instance("non-outgoing-interface"); + } + } + if (!first) + xo_close_list("non-outgoing-interface"); + + for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) { + if (ip6stat.ip6s_sources_samescope[i]) { + if (first) { + xo_open_list("same-source"); + xo_emit("\tsource addresses of same scope\n"); + first = 0; + } + xo_open_instance("same-source"); + PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); + xo_close_instance("same-source"); + } + } + if (!first) + xo_close_list("same-source"); + + for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) { + if (ip6stat.ip6s_sources_otherscope[i]) { + if (first) { + xo_open_list("different-scope"); + xo_emit("\tsource addresses of a different " + "scope\n"); + first = 0; + } + xo_open_instance("different-scope"); + PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); + xo_close_instance("different-scope"); + } + } + if (!first) + xo_close_list("different-scope"); + + for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) { + if (ip6stat.ip6s_sources_deprecated[i]) { + if (first) { + xo_open_list("deprecated-source"); + xo_emit("\tdeprecated source addresses\n"); + first = 0; + } + xo_open_instance("deprecated-source"); + PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); + xo_close_instance("deprecated-source"); + } + } + if (!first) + xo_close_list("deprecated-source"); + + for (first = 1, i = 0; i < IP6S_RULESMAX; i++) { + if (ip6stat.ip6s_sources_rule[i]) { + if (first) { + xo_open_list("rules-applied"); + xo_emit("\t{T:Source addresses selection " + "rule applied}:\n"); + first = 0; + } + xo_open_instance("rules-applied"); + xo_emit("\t\t{ke:name/%s}{:count/%ju} {d:name/%s}\n", + srcrule_str[i], + (uintmax_t)ip6stat.ip6s_sources_rule[i], + srcrule_str[i]); + xo_close_instance("rules-applied"); + } + } + if (!first) + xo_close_list("rules-applied"); + + xo_close_container("source-address-selection"); + +#undef p +#undef p1a + xo_close_container(name); +} + +/* + * 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) \ + xo_emit(m, (uintmax_t)ifr.ifr_ifru.ifru_stat.f, \ + plural(ifr.ifr_ifru.ifru_stat.f)) + + if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { + xo_warn("Warning: socket(AF_INET6)"); + return; + } + + strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); + if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { + if (errno != EPFNOSUPPORT) + xo_warn("Warning: ioctl(SIOCGIFSTAT_IN6)"); + goto end; + } + + xo_emit("{T:/ip6 on %s}:\n", ifr.ifr_name); + + xo_open_instance("ip6-interface-statistics"); + xo_emit("{ke:name/%s}", ifr.ifr_name); + + p(ifs6_in_receive, "\t{:received-packets/%ju} " + "{N:/total input datagram%s}\n"); + p(ifs6_in_hdrerr, "\t{:dropped-invalid-header/%ju} " + "{N:/datagram%s with invalid header received}\n"); + p(ifs6_in_toobig, "\t{:dropped-mtu-exceeded/%ju} " + "{N:/datagram%s exceeded MTU received}\n"); + p(ifs6_in_noroute, "\t{:dropped-no-route/%ju} " + "{N:/datagram%s with no route received}\n"); + p(ifs6_in_addrerr, "\t{:dropped-invalid-destination/%ju} " + "{N:/datagram%s with invalid dst received}\n"); + p(ifs6_in_protounknown, "\t{:dropped-unknown-protocol/%ju} " + "{N:/datagram%s with unknown proto received}\n"); + p(ifs6_in_truncated, "\t{:dropped-truncated/%ju} " + "{N:/truncated datagram%s received}\n"); + p(ifs6_in_discard, "\t{:dropped-discarded/%ju} " + "{N:/input datagram%s discarded}\n"); + p(ifs6_in_deliver, "\t{:received-valid-packets/%ju} " + "{N:/datagram%s delivered to an upper layer protocol}\n"); + p(ifs6_out_forward, "\t{:sent-forwarded/%ju} " + "{N:/datagram%s forwarded to this interface}\n"); + p(ifs6_out_request, "\t{:sent-packets/%ju} " + "{N:/datagram%s sent from an upper layer protocol}\n"); + p(ifs6_out_discard, "\t{:discard-packets/%ju} " + "{N:/total discarded output datagram%s}\n"); + p(ifs6_out_fragok, "\t{:discard-fragments/%ju} " + "{N:/output datagram%s fragmented}\n"); + p(ifs6_out_fragfail, "\t{:fragments-failed/%ju} " + "{N:/output datagram%s failed on fragment}\n"); + p(ifs6_out_fragcreat, "\t{:fragments-created/%ju} " + "{N:/output datagram%s succeeded on fragment}\n"); + p(ifs6_reass_reqd, "\t{:reassembly-required/%ju} " + "{N:/incoming datagram%s fragmented}\n"); + p(ifs6_reass_ok, "\t{:reassembled-packets/%ju} " + "{N:/datagram%s reassembled}\n"); + p(ifs6_reass_fail, "\t{:reassembly-failed/%ju} " + "{N:/datagram%s failed on reassembly}\n"); + p(ifs6_in_mcast, "\t{:received-multicast/%ju} " + "{N:/multicast datagram%s received}\n"); + p(ifs6_out_mcast, "\t{:sent-multicast/%ju} " + "{N:/multicast datagram%s sent}\n"); + + end: + xo_close_instance("ip6-interface-statistics"); + close(s); + +#undef p +} + +static const 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", + "MLDv1 listener report", + "MLDv1 listener done", + "router solicitation", + "router advertisement", + "neighbor solicitation", + "neighbor advertisement", + "redirect", + "router renumbering", + "node information request", + "node information reply", + "inverse neighbor solicitation", + "inverse neighbor advertisement", + "MLDv2 listener report", + "#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 ICMP6 statistics. + */ +void +icmp6_stats(u_long off, const char *name, int af1 __unused, int proto __unused) +{ + struct icmp6stat icmp6stat; + int i, first; + + if (fetch_stats("net.inet6.icmp6.stats", off, &icmp6stat, + sizeof(icmp6stat), kread_counters) != 0) + return; + + xo_emit("{T:/%s}:\n", name); + xo_open_container(name); + +#define p(f, m) if (icmp6stat.f || sflag <= 1) \ + xo_emit(m, (uintmax_t)icmp6stat.f, plural(icmp6stat.f)) +#define p_5(f, m) if (icmp6stat.f || sflag <= 1) \ + xo_emit(m, (uintmax_t)icmp6stat.f) + + p(icp6s_error, "\t{:icmp6-calls/%ju} " + "{N:/call%s to icmp6_error}\n"); + p(icp6s_canterror, "\t{:errors-not-generated-from-message/%ju} " + "{N:/error%s not generated in response to an icmp6 message}\n"); + p(icp6s_toofreq, "\t{:errors-discarded-by-rate-limitation/%ju} " + "{N:/error%s not generated because of rate limitation}\n"); +#define NELEM (int)(sizeof(icmp6stat.icp6s_outhist)/sizeof(icmp6stat.icp6s_outhist[0])) + for (first = 1, i = 0; i < NELEM; i++) + if (icmp6stat.icp6s_outhist[i] != 0) { + if (first) { + xo_open_list("output-histogram"); + xo_emit("\t{T:Output histogram}:\n"); + first = 0; + } + xo_open_instance("output-histogram"); + xo_emit("\t\t{k:name/%s}: {:count/%ju}\n", + icmp6names[i], + (uintmax_t)icmp6stat.icp6s_outhist[i]); + xo_close_instance("output-histogram"); + } + if (!first) + xo_close_list("output-histogram"); +#undef NELEM + + p(icp6s_badcode, "\t{:dropped-bad-code/%ju} " + "{N:/message%s with bad code fields}\n"); + p(icp6s_tooshort, "\t{:dropped-too-short/%ju} " + "{N:/message%s < minimum length}\n"); + p(icp6s_checksum, "\t{:dropped-bad-checksum/%ju} " + "{N:/bad checksum%s}\n"); + p(icp6s_badlen, "\t{:dropped-bad-length/%ju} " + "{N:/message%s with bad length}\n"); + p(icp6s_dropped, "\t{:dropped-no-entry/%ju} " + "{N:/total packet%s dropped due to failed NDP resolution}\n"); +#define NELEM (int)(sizeof(icmp6stat.icp6s_inhist)/sizeof(icmp6stat.icp6s_inhist[0])) + for (first = 1, i = 0; i < NELEM; i++) + if (icmp6stat.icp6s_inhist[i] != 0) { + if (first) { + xo_open_list("input-histogram"); + xo_emit("\t{T:Input histogram}:\n"); + first = 0; + } + xo_open_instance("input-histogram"); + xo_emit("\t\t{k:name/%s}: {:count/%ju}\n", + icmp6names[i], + (uintmax_t)icmp6stat.icp6s_inhist[i]); + xo_close_instance("input-histogram"); + } + if (!first) + xo_close_list("input-histogram"); +#undef NELEM + xo_emit("\t{T:Histogram of error messages to be generated}:\n"); + xo_open_container("errors"); + p_5(icp6s_odst_unreach_noroute, "\t\t{:no-route/%ju} " + "{N:/no route}\n"); + p_5(icp6s_odst_unreach_admin, "\t\t{:admin-prohibited/%ju} " + "{N:/administratively prohibited}\n"); + p_5(icp6s_odst_unreach_beyondscope, "\t\t{:beyond-scope/%ju} " + "{N:/beyond scope}\n"); + p_5(icp6s_odst_unreach_addr, "\t\t{:address-unreachable/%ju} " + "{N:/address unreachable}\n"); + p_5(icp6s_odst_unreach_noport, "\t\t{:port-unreachable/%ju} " + "{N:/port unreachable}\n"); + p_5(icp6s_opacket_too_big, "\t\t{:packet-too-big/%ju} " + "{N:/packet too big}\n"); + p_5(icp6s_otime_exceed_transit, "\t\t{:time-exceed-transmit/%ju} " + "{N:/time exceed transit}\n"); + p_5(icp6s_otime_exceed_reassembly, "\t\t{:time-exceed-reassembly/%ju} " + "{N:/time exceed reassembly}\n"); + p_5(icp6s_oparamprob_header, "\t\t{:bad-header/%ju} " + "{N:/erroneous header field}\n"); + p_5(icp6s_oparamprob_nextheader, "\t\t{:bad-next-header/%ju} " + "{N:/unrecognized next header}\n"); + p_5(icp6s_oparamprob_option, "\t\t{:bad-option/%ju} " + "{N:/unrecognized option}\n"); + p_5(icp6s_oredirect, "\t\t{:redirects/%ju} " + "{N:/redirect}\n"); + p_5(icp6s_ounknown, "\t\t{:unknown/%ju} {N:unknown}\n"); + + p(icp6s_reflect, "\t{:reflect/%ju} " + "{N:/message response%s generated}\n"); + p(icp6s_nd_toomanyopt, "\t{:too-many-nd-options/%ju} " + "{N:/message%s with too many ND options}\n"); + p(icp6s_nd_badopt, "\t{:bad-nd-options/%ju} " + "{N:/message%s with bad ND options}\n"); + p(icp6s_badns, "\t{:bad-neighbor-solicitation/%ju} " + "{N:/bad neighbor solicitation message%s}\n"); + p(icp6s_badna, "\t{:bad-neighbor-advertisement/%ju} " + "{N:/bad neighbor advertisement message%s}\n"); + p(icp6s_badrs, "\t{:bad-router-solicitation/%ju} " + "{N:/bad router solicitation message%s}\n"); + p(icp6s_badra, "\t{:bad-router-advertisement/%ju} " + "{N:/bad router advertisement message%s}\n"); + p(icp6s_badredirect, "\t{:bad-redirect/%ju} " + "{N:/bad redirect message%s}\n"); + p(icp6s_overflowdefrtr, "\t{:default-routers-overflows/%ju} " + "{N:/default routers overflow%s}\n"); + p(icp6s_overflowprfx, "\t{:prefixes-overflows/%ju} " + "{N:/prefix overflow%s}\n"); + p(icp6s_overflownndp, "\t{:neighbour-entries-overflows/%ju} " + "{N:/neighbour entries overflow%s}\n"); + p(icp6s_overflowredirect, "\t{:redirect-overflows/%ju} " + "{N:/redirect overflow%s}\n"); + p(icp6s_invlhlim, "\t{:dropped-invalid-hop-limit/%ju} " + "{N:/message%s with invalid hop limit}\n"); + xo_close_container("errors"); + p(icp6s_pmtuchg, "\t{:path-mtu-changes/%ju} {N:/path MTU change%s}\n"); +#undef p +#undef p_5 + xo_close_container(name); +} + +/* + * 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) \ + xo_emit(m, (uintmax_t)ifr.ifr_ifru.ifru_icmp6stat.f, \ + plural(ifr.ifr_ifru.ifru_icmp6stat.f)) +#define p2(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ + xo_emit(m, (uintmax_t)ifr.ifr_ifru.ifru_icmp6stat.f, \ + pluralies(ifr.ifr_ifru.ifru_icmp6stat.f)) + + if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { + xo_warn("Warning: socket(AF_INET6)"); + return; + } + + strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); + if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { + if (errno != EPFNOSUPPORT) + xo_warn("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); + goto end; + } + + xo_emit("{T:/icmp6 on %s}:\n", ifr.ifr_name); + + xo_open_instance("icmp6-interface-statistics"); + xo_emit("{ke:name/%s}", ifr.ifr_name); + p(ifs6_in_msg, "\t{:received-packets/%ju} " + "{N:/total input message%s}\n"); + p(ifs6_in_error, "\t{:received-errors/%ju} " + "{N:/total input error message%s}\n"); + p(ifs6_in_dstunreach, "\t{:received-destination-unreachable/%ju} " + "{N:/input destination unreachable error%s}\n"); + p(ifs6_in_adminprohib, "\t{:received-admin-prohibited/%ju} " + "{N:/input administratively prohibited error%s}\n"); + p(ifs6_in_timeexceed, "\t{:received-time-exceeded/%ju} " + "{N:/input time exceeded error%s}\n"); + p(ifs6_in_paramprob, "\t{:received-bad-parameter/%ju} " + "{N:/input parameter problem error%s}\n"); + p(ifs6_in_pkttoobig, "\t{:received-packet-too-big/%ju} " + "{N:/input packet too big error%s}\n"); + p(ifs6_in_echo, "\t{:received-echo-requests/%ju} " + "{N:/input echo request%s}\n"); + p2(ifs6_in_echoreply, "\t{:received-echo-replies/%ju} " + "{N:/input echo repl%s}\n"); + p(ifs6_in_routersolicit, "\t{:received-router-solicitation/%ju} " + "{N:/input router solicitation%s}\n"); + p(ifs6_in_routeradvert, "\t{:received-router-advertisement/%ju} " + "{N:/input router advertisement%s}\n"); + p(ifs6_in_neighborsolicit, "\t{:received-neighbor-solicitation/%ju} " + "{N:/input neighbor solicitation%s}\n"); + p(ifs6_in_neighboradvert, "\t{:received-neighbor-advertisement/%ju} " + "{N:/input neighbor advertisement%s}\n"); + p(ifs6_in_redirect, "\t{received-redirects/%ju} " + "{N:/input redirect%s}\n"); + p2(ifs6_in_mldquery, "\t{:received-mld-queries/%ju} " + "{N:/input MLD quer%s}\n"); + p(ifs6_in_mldreport, "\t{:received-mld-reports/%ju} " + "{N:/input MLD report%s}\n"); + p(ifs6_in_mlddone, "\t{:received-mld-done/%ju} " + "{N:/input MLD done%s}\n"); + + p(ifs6_out_msg, "\t{:sent-packets/%ju} " + "{N:/total output message%s}\n"); + p(ifs6_out_error, "\t{:sent-errors/%ju} " + "{N:/total output error message%s}\n"); + p(ifs6_out_dstunreach, "\t{:sent-destination-unreachable/%ju} " + "{N:/output destination unreachable error%s}\n"); + p(ifs6_out_adminprohib, "\t{:sent-admin-prohibited/%ju} " + "{N:/output administratively prohibited error%s}\n"); + p(ifs6_out_timeexceed, "\t{:sent-time-exceeded/%ju} " + "{N:/output time exceeded error%s}\n"); + p(ifs6_out_paramprob, "\t{:sent-bad-parameter/%ju} " + "{N:/output parameter problem error%s}\n"); + p(ifs6_out_pkttoobig, "\t{:sent-packet-too-big/%ju} " + "{N:/output packet too big error%s}\n"); + p(ifs6_out_echo, "\t{:sent-echo-requests/%ju} " + "{N:/output echo request%s}\n"); + p2(ifs6_out_echoreply, "\t{:sent-echo-replies/%ju} " + "{N:/output echo repl%s}\n"); + p(ifs6_out_routersolicit, "\t{:sent-router-solicitation/%ju} " + "{N:/output router solicitation%s}\n"); + p(ifs6_out_routeradvert, "\t{:sent-router-advertisement/%ju} " + "{N:/output router advertisement%s}\n"); + p(ifs6_out_neighborsolicit, "\t{:sent-neighbor-solicitation/%ju} " + "{N:/output neighbor solicitation%s}\n"); + p(ifs6_out_neighboradvert, "\t{:sent-neighbor-advertisement/%ju} " + "{N:/output neighbor advertisement%s}\n"); + p(ifs6_out_redirect, "\t{:sent-redirects/%ju} " + "{N:/output redirect%s}\n"); + p2(ifs6_out_mldquery, "\t{:sent-mld-queries/%ju} " + "{N:/output MLD quer%s}\n"); + p(ifs6_out_mldreport, "\t{:sent-mld-reports/%ju} " + "{N:/output MLD report%s}\n"); + p(ifs6_out_mlddone, "\t{:sent-mld-dones/%ju} " + "{N:/output MLD done%s}\n"); + +end: + xo_close_instance("icmp6-interface-statistics"); + close(s); +#undef p +} + +/* + * Dump PIM statistics structure. + */ +void +pim6_stats(u_long off, const char *name, int af1 __unused, int proto __unused) +{ + struct pim6stat pim6stat; + + if (fetch_stats("net.inet6.pim.stats", off, &pim6stat, + sizeof(pim6stat), kread) != 0) + return; + + xo_emit("{T:/%s}:\n", name); + xo_open_container(name); + +#define p(f, m) if (pim6stat.f || sflag <= 1) \ + xo_emit(m, (uintmax_t)pim6stat.f, plural(pim6stat.f)) + + p(pim6s_rcv_total, "\t{:received-packets/%ju} " + "{N:/message%s received}\n"); + p(pim6s_rcv_tooshort, "\t{:dropped-too-short/%ju} " + "{N:/message%s received with too few bytes}\n"); + p(pim6s_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " + "{N:/message%s received with bad checksum}\n"); + p(pim6s_rcv_badversion, "\t{:dropped-bad-version/%ju} " + "{N:/message%s received with bad version}\n"); + p(pim6s_rcv_registers, "\t{:received-registers/%ju} " + "{N:/register%s received}\n"); + p(pim6s_rcv_badregisters, "\t{:received-bad-registers/%ju} " + "{N:/bad register%s received}\n"); + p(pim6s_snd_registers, "\t{:sent-registers/%ju} " + "{N:/register%s sent}\n"); +#undef p + xo_close_container(name); +} + +/* + * Dump raw ip6 statistics structure. + */ +void +rip6_stats(u_long off, const char *name, int af1 __unused, int proto __unused) +{ + struct rip6stat rip6stat; + u_quad_t delivered; + + if (fetch_stats("net.inet6.ip6.rip6stats", off, &rip6stat, + sizeof(rip6stat), kread_counters) != 0) + return; + + xo_emit("{T:/%s}:\n", name); + xo_open_container(name); + +#define p(f, m) if (rip6stat.f || sflag <= 1) \ + xo_emit(m, (uintmax_t)rip6stat.f, plural(rip6stat.f)) + + p(rip6s_ipackets, "\t{:received-packets/%ju} " + "{N:/message%s received}\n"); + p(rip6s_isum, "\t{:input-checksum-computation/%ju} " + "{N:/checksum calculation%s on inbound}\n"); + p(rip6s_badsum, "\t{:received-bad-checksum/%ju} " + "{N:/message%s with bad checksum}\n"); + p(rip6s_nosock, "\t{:dropped-no-socket/%ju} " + "{N:/message%s dropped due to no socket}\n"); + p(rip6s_nosockmcast, "\t{:dropped-multicast-no-socket/%ju} " + "{N:/multicast message%s dropped due to no socket}\n"); + p(rip6s_fullsock, "\t{:dropped-full-socket-buffer/%ju} " + "{N:/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) + xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n", + (uintmax_t)delivered); + p(rip6s_opackets, "\t{:sent-packets/%ju} " + "{N:/datagram%s output}\n"); +#undef p + xo_close_container(name); +} + +/* + * Pretty print an Internet address (net address + port). + * Take numeric_addr and numeric_port into consideration. + */ +#define GETSERVBYPORT6(port, proto, ret)\ +{\ + 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));\ +}; + +void +inet6print(const char *container, struct in6_addr *in6, int port, + const char *proto, int numeric) +{ + struct servent *sp = 0; + char line[80], *cp; + int width; + size_t alen, plen; + + if (container) + xo_open_container(container); + + snprintf(line, sizeof(line), "%.*s.", + Wflag ? 39 : (Aflag && !numeric) ? 12 : 16, + inet6name(in6)); + alen = strlen(line); + cp = line + alen; + if (!numeric && port) + GETSERVBYPORT6(port, proto, sp); + if (sp || port == 0) + snprintf(cp, sizeof(line) - alen, + "%.15s", sp ? sp->s_name : "*"); + else + snprintf(cp, sizeof(line) - alen, + "%d", ntohs((u_short)port)); + width = Wflag ? 45 : Aflag ? 18 : 22; + + xo_emit("{d:target/%-*.*s} ", width, width, line); + + plen = strlen(cp); + alen--; + xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, + plen, cp); + + if (container) + xo_close_container(container); +} + +/* + * Construct an Internet address representation. + * If the numeric_addr has been supplied, give + * numeric value, otherwise try for symbolic name. + */ + +char * +inet6name(struct in6_addr *ia6) +{ + struct sockaddr_in6 sin6; + char hbuf[NI_MAXHOST], *cp; + static char line[NI_MAXHOST]; + static char domain[MAXHOSTNAMELEN]; + static int first = 1; + int flags, error; + + if (IN6_IS_ADDR_UNSPECIFIED(ia6)) { + strcpy(line, "*"); + return (line); + } + if (first && !numeric_addr) { + first = 0; + if (gethostname(domain, sizeof(domain)) == 0 && + (cp = strchr(domain, '.'))) + strlcpy(domain, cp + 1, sizeof(domain)); + else + domain[0] = 0; + } + memset(&sin6, 0, sizeof(sin6)); + memcpy(&sin6.sin6_addr, ia6, sizeof(*ia6)); + sin6.sin6_family = AF_INET6; + /* XXX: ia6.s6_addr[2] can contain scopeid. */ + in6_fillscopeid(&sin6); + flags = (numeric_addr) ? NI_NUMERICHOST : 0; + error = getnameinfo((struct sockaddr *)&sin6, sizeof(sin6), hbuf, + sizeof(hbuf), NULL, 0, flags); + if (error == 0) { + if ((flags & NI_NUMERICHOST) == 0 && + (cp = strchr(hbuf, '.')) && + !strcmp(cp + 1, domain)) + *cp = 0; + strlcpy(line, hbuf, sizeof(line)); + } else { + /* XXX: this should not happen. */ + snprintf(line, sizeof(line), "%s", + inet_ntop(AF_INET6, (void *)&sin6.sin6_addr, ntop_buf, + sizeof(ntop_buf))); + } + return (line); +} +#endif /*INET6*/ |