OpenBSD-4.6/usr.bin/netstat/inet6.c
/* $OpenBSD: inet6.c,v 1.37 2009/02/07 15:06:04 chl 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 <sys/param.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/ioctl.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>
#include <sys/sysctl.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>
#ifndef TCP6
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#endif
#include <netinet6/ip6_var.h>
#include <netinet6/in6_var.h>
#include <netinet6/pim6_var.h>
#include <netinet6/raw_ip6.h>
#include <arpa/inet.h>
#if 0
#include "gethostbyname2.h"
#endif
#include <netdb.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#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