1
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mirror of https://git.FreeBSD.org/src.git synced 2024-12-24 11:29:10 +00:00
freebsd/usr.bin/netstat/inet6.c
John Baldwin feda1a4372 Restore netstat -M functionality for most statistics on core dumps. In
general, when support was added to netstat for fetching data using sysctl,
no provision was left for fetching equivalent data from a core dump, and
in fact, netstat would _always_ fetch data from the live kernel using
sysctl even when -M was specified resulting in the user believing they
were getting data from coredumps when they actually weren't.  Some specific
changes:
- Add a global 'live' variable that is true if netstat is running against
  the live kernel and false if -M has been specified.
- Stop abusing the sysctl flag in the protocol tables to hold the protocol
  number.  Instead, the protocol is now its own field in the tables, and
  it is passed as a separate parameter to the PCB and stat routines rather
  than overloading the KVM offset parameter.
- Don't run PCB or stats functions who don't have a namelist offset if we
  are being run against a crash dump (!live).
- For the inet and unix PCB routines, we generate the same buffer from KVM
  that the sysctl usually generates complete with the header and trailer.
- Don't run bpf stats for !live (before it would just silently always run
  live).
- kread() no longer trashes memory when opening the buffer if there is an
  error on open and the passed in buffer is smaller than _POSIX2_LINE_MAX.
- The multicast routing code doesn't fallback to kvm on live kernels if
  the sysctl fails.  Keeping this made the code rather hairy, and netstat
  is already tied to the kernel ABI anyway (even when using sysctl's since
  things like xinpcb contain an inpcb) so any kernels this is run against
  that have the multicast routing stuff should have the sysctls.
- Don't try to dig around in the kernel linker in the netgraph PCB routine
  for core dumps.

Other notes:
- sctp's PCB routine only works on live kernels, it looked rather
  complicated to generate all the same stuff via KVM.  Someone can always
  add it later if desired though.
- Fix the ipsec removal bug where N_xxx for IPSEC stats weren't renumbered.
- Use sysctlbyname() everywhere rather than hardcoded mib values.

MFC after:	1 week
Approved by:	re (rwatson)
2007-07-16 17:15:55 +00:00

1157 lines
25 KiB
C

/* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*/
#if 0
#ifndef lint
static char sccsid[] = "@(#)inet6.c 8.4 (Berkeley) 4/20/94";
#endif /* not lint */
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#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 <sys/sysctl.h>
#include <net/route.h>
#include <net/if.h>
#include <net/if_var.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 <err.h>
#include <stdint.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include "netstat.h"
struct socket sockb;
char *inet6name(struct in6_addr *);
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",
"#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",
};
static char *srcrule_str[] = {
"first candidate",
"same address",
"appropriate scope",
"deprecated address",
"home address",
"outgoing interface",
"matching label",
"public/temporary address",
"alive interface",
"preferred interface",
"rule #10",
"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;
size_t len;
len = sizeof ip6stat;
if (live) {
memset(&ip6stat, 0, len);
if (sysctlbyname("net.inet6.ip6.stats", &ip6stat, &len, NULL,
0) < 0) {
if (errno != ENOENT)
warn("sysctl: net.inet6.ip6.stats");
return;
}
} else
kread(off, &ip6stat, len);
printf("%s:\n", name);
#define p(f, m) if (ip6stat.f || sflag <= 1) \
printf(m, (uintmax_t)ip6stat.f, plural(ip6stat.f))
#define p1a(f, m) if (ip6stat.f || sflag <= 1) \
printf(m, (uintmax_t)ip6stat.f)
p(ip6s_total, "\t%ju total packet%s received\n");
p1a(ip6s_toosmall, "\t%ju with size smaller than minimum\n");
p1a(ip6s_tooshort, "\t%ju with data size < data length\n");
p1a(ip6s_badoptions, "\t%ju with bad options\n");
p1a(ip6s_badvers, "\t%ju with incorrect version number\n");
p(ip6s_fragments, "\t%ju fragment%s received\n");
p(ip6s_fragdropped, "\t%ju fragment%s dropped (dup or out of space)\n");
p(ip6s_fragtimeout, "\t%ju fragment%s dropped after timeout\n");
p(ip6s_fragoverflow, "\t%ju fragment%s that exceeded limit\n");
p(ip6s_reassembled, "\t%ju packet%s reassembled ok\n");
p(ip6s_delivered, "\t%ju packet%s for this host\n");
p(ip6s_forward, "\t%ju packet%s forwarded\n");
p(ip6s_cantforward, "\t%ju packet%s not forwardable\n");
p(ip6s_redirectsent, "\t%ju redirect%s sent\n");
p(ip6s_localout, "\t%ju packet%s sent from this host\n");
p(ip6s_rawout, "\t%ju packet%s sent with fabricated ip header\n");
p(ip6s_odropped, "\t%ju output packet%s dropped due to no bufs, etc.\n");
p(ip6s_noroute, "\t%ju output packet%s discarded due to no route\n");
p(ip6s_fragmented, "\t%ju output datagram%s fragmented\n");
p(ip6s_ofragments, "\t%ju fragment%s created\n");
p(ip6s_cantfrag, "\t%ju datagram%s that can't be fragmented\n");
p(ip6s_badscope, "\t%ju packet%s that violated scope rules\n");
p(ip6s_notmember, "\t%ju 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 histogram:\n");
first = 0;
}
printf("\t\t%s: %ju\n", ip6nh[i],
(uintmax_t)ip6stat.ip6s_nxthist[i]);
}
printf("\tMbuf statistics:\n");
printf("\t\t%ju one mbuf\n", (uintmax_t)ip6stat.ip6s_m1);
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= %ju\n",
if_indextoname(i, ifbuf),
(uintmax_t)ip6stat.ip6s_m2m[i]);
}
}
printf("\t\t%ju one ext mbuf\n",
(uintmax_t)ip6stat.ip6s_mext1);
printf("\t\t%ju two or more ext mbuf\n",
(uintmax_t)ip6stat.ip6s_mext2m);
p(ip6s_exthdrtoolong,
"\t%ju packet%s whose headers are not continuous\n");
p(ip6s_nogif, "\t%ju tunneling packet%s that can't find gif\n");
p(ip6s_toomanyhdr,
"\t%ju 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%ju node-local%s\n");\
break;\
case 2:\
p(s,"\t\t%ju link-local%s\n");\
break;\
case 5:\
p(s,"\t\t%ju site-local%s\n");\
break;\
case 14:\
p(s,"\t\t%ju global%s\n");\
break;\
default:\
printf("\t\t%ju addresses scope=%x\n",\
(uintmax_t)ip6stat.s, i);\
}\
} while (0);
p(ip6s_sources_none,
"\t%ju 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);
}
}
p1a(ip6s_forward_cachehit, "\t%ju forward cache hit\n");
p1a(ip6s_forward_cachemiss, "\t%ju forward cache miss\n");
printf("\tSource addresses selection rule applied:\n");
for (i = 0; i < 16; i++) {
if (ip6stat.ip6s_sources_rule[i])
printf("\t\t%ju %s\n",
(uintmax_t)ip6stat.ip6s_sources_rule[i],
srcrule_str[i]);
}
#undef p
#undef p1a
}
/*
* 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, (uintmax_t)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, (uintmax_t)ip6stat.f)
if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
perror("Warning: socket(AF_INET6)");
return;
}
strcpy(ifr.ifr_name, ifname);
printf("ip6 on %s:\n", ifr.ifr_name);
if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) {
perror("Warning: ioctl(SIOCGIFSTAT_IN6)");
goto end;
}
p(ifs6_in_receive, "\t%ju total input datagram%s\n");
p(ifs6_in_hdrerr, "\t%ju datagram%s with invalid header received\n");
p(ifs6_in_toobig, "\t%ju datagram%s exceeded MTU received\n");
p(ifs6_in_noroute, "\t%ju datagram%s with no route received\n");
p(ifs6_in_addrerr, "\t%ju datagram%s with invalid dst received\n");
p(ifs6_in_protounknown, "\t%ju datagram%s with unknown proto received\n");
p(ifs6_in_truncated, "\t%ju truncated datagram%s received\n");
p(ifs6_in_discard, "\t%ju input datagram%s discarded\n");
p(ifs6_in_deliver,
"\t%ju datagram%s delivered to an upper layer protocol\n");
p(ifs6_out_forward, "\t%ju datagram%s forwarded to this interface\n");
p(ifs6_out_request,
"\t%ju datagram%s sent from an upper layer protocol\n");
p(ifs6_out_discard, "\t%ju total discarded output datagram%s\n");
p(ifs6_out_fragok, "\t%ju output datagram%s fragmented\n");
p(ifs6_out_fragfail, "\t%ju output datagram%s failed on fragment\n");
p(ifs6_out_fragcreat, "\t%ju output datagram%s succeeded on fragment\n");
p(ifs6_reass_reqd, "\t%ju incoming datagram%s fragmented\n");
p(ifs6_reass_ok, "\t%ju datagram%s reassembled\n");
p(ifs6_reass_fail, "\t%ju datagram%s failed on reassembly\n");
p(ifs6_in_mcast, "\t%ju multicast datagram%s received\n");
p(ifs6_out_mcast, "\t%ju multicast datagram%s sent\n");
end:
close(s);
#undef p
#undef p_5
}
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",
"multicast listener report",
"multicast 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",
"#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 ICMP6 statistics.
*/
void
icmp6_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
{
struct icmp6stat icmp6stat;
int i, first;
size_t len;
len = sizeof icmp6stat;
if (live) {
memset(&icmp6stat, 0, len);
if (sysctlbyname("net.inet6.icmp6.stats", &icmp6stat, &len,
NULL, 0) < 0) {
if (errno != ENOENT)
warn("sysctl: net.inet6.icmp6.stats");
return;
}
} else
kread(off, &icmp6stat, len);
printf("%s:\n", name);
#define p(f, m) if (icmp6stat.f || sflag <= 1) \
printf(m, (uintmax_t)icmp6stat.f, plural(icmp6stat.f))
#define p_5(f, m) printf(m, (uintmax_t)icmp6stat.f)
p(icp6s_error, "\t%ju call%s to icmp6_error\n");
p(icp6s_canterror,
"\t%ju error%s not generated in response to an icmp6 message\n");
p(icp6s_toofreq,
"\t%ju 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) {
printf("\tOutput histogram:\n");
first = 0;
}
printf("\t\t%s: %ju\n", icmp6names[i],
(uintmax_t)icmp6stat.icp6s_outhist[i]);
}
#undef NELEM
p(icp6s_badcode, "\t%ju message%s with bad code fields\n");
p(icp6s_tooshort, "\t%ju message%s < minimum length\n");
p(icp6s_checksum, "\t%ju bad checksum%s\n");
p(icp6s_badlen, "\t%ju message%s with bad length\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) {
printf("\tInput histogram:\n");
first = 0;
}
printf("\t\t%s: %ju\n", icmp6names[i],
(uintmax_t)icmp6stat.icp6s_inhist[i]);
}
#undef NELEM
printf("\tHistogram of error messages to be generated:\n");
p_5(icp6s_odst_unreach_noroute, "\t\t%ju no route\n");
p_5(icp6s_odst_unreach_admin, "\t\t%ju administratively prohibited\n");
p_5(icp6s_odst_unreach_beyondscope, "\t\t%ju beyond scope\n");
p_5(icp6s_odst_unreach_addr, "\t\t%ju address unreachable\n");
p_5(icp6s_odst_unreach_noport, "\t\t%ju port unreachable\n");
p_5(icp6s_opacket_too_big, "\t\t%ju packet too big\n");
p_5(icp6s_otime_exceed_transit, "\t\t%ju time exceed transit\n");
p_5(icp6s_otime_exceed_reassembly, "\t\t%ju time exceed reassembly\n");
p_5(icp6s_oparamprob_header, "\t\t%ju erroneous header field\n");
p_5(icp6s_oparamprob_nextheader, "\t\t%ju unrecognized next header\n");
p_5(icp6s_oparamprob_option, "\t\t%ju unrecognized option\n");
p_5(icp6s_oredirect, "\t\t%ju redirect\n");
p_5(icp6s_ounknown, "\t\t%ju unknown\n");
p(icp6s_reflect, "\t%ju message response%s generated\n");
p(icp6s_nd_toomanyopt, "\t%ju message%s with too many ND options\n");
p(icp6s_nd_badopt, "\t%ju message%s with bad ND options\n");
p(icp6s_badns, "\t%ju bad neighbor solicitation message%s\n");
p(icp6s_badna, "\t%ju bad neighbor advertisement message%s\n");
p(icp6s_badrs, "\t%ju bad router solicitation message%s\n");
p(icp6s_badra, "\t%ju bad router advertisement message%s\n");
p(icp6s_badredirect, "\t%ju bad redirect message%s\n");
p(icp6s_pmtuchg, "\t%ju 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, (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) \
printf(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) {
perror("Warning: socket(AF_INET6)");
return;
}
strcpy(ifr.ifr_name, ifname);
printf("icmp6 on %s:\n", ifr.ifr_name);
if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) {
perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)");
goto end;
}
p(ifs6_in_msg, "\t%ju total input message%s\n");
p(ifs6_in_error, "\t%ju total input error message%s\n");
p(ifs6_in_dstunreach, "\t%ju input destination unreachable error%s\n");
p(ifs6_in_adminprohib, "\t%ju input administratively prohibited error%s\n");
p(ifs6_in_timeexceed, "\t%ju input time exceeded error%s\n");
p(ifs6_in_paramprob, "\t%ju input parameter problem error%s\n");
p(ifs6_in_pkttoobig, "\t%ju input packet too big error%s\n");
p(ifs6_in_echo, "\t%ju input echo request%s\n");
p2(ifs6_in_echoreply, "\t%ju input echo repl%s\n");
p(ifs6_in_routersolicit, "\t%ju input router solicitation%s\n");
p(ifs6_in_routeradvert, "\t%ju input router advertisement%s\n");
p(ifs6_in_neighborsolicit, "\t%ju input neighbor solicitation%s\n");
p(ifs6_in_neighboradvert, "\t%ju input neighbor advertisement%s\n");
p(ifs6_in_redirect, "\t%ju input redirect%s\n");
p2(ifs6_in_mldquery, "\t%ju input MLD quer%s\n");
p(ifs6_in_mldreport, "\t%ju input MLD report%s\n");
p(ifs6_in_mlddone, "\t%ju input MLD done%s\n");
p(ifs6_out_msg, "\t%ju total output message%s\n");
p(ifs6_out_error, "\t%ju total output error message%s\n");
p(ifs6_out_dstunreach, "\t%ju output destination unreachable error%s\n");
p(ifs6_out_adminprohib, "\t%ju output administratively prohibited error%s\n");
p(ifs6_out_timeexceed, "\t%ju output time exceeded error%s\n");
p(ifs6_out_paramprob, "\t%ju output parameter problem error%s\n");
p(ifs6_out_pkttoobig, "\t%ju output packet too big error%s\n");
p(ifs6_out_echo, "\t%ju output echo request%s\n");
p2(ifs6_out_echoreply, "\t%ju output echo repl%s\n");
p(ifs6_out_routersolicit, "\t%ju output router solicitation%s\n");
p(ifs6_out_routeradvert, "\t%ju output router advertisement%s\n");
p(ifs6_out_neighborsolicit, "\t%ju output neighbor solicitation%s\n");
p(ifs6_out_neighboradvert, "\t%ju output neighbor advertisement%s\n");
p(ifs6_out_redirect, "\t%ju output redirect%s\n");
p2(ifs6_out_mldquery, "\t%ju output MLD quer%s\n");
p(ifs6_out_mldreport, "\t%ju output MLD report%s\n");
p(ifs6_out_mlddone, "\t%ju output MLD done%s\n");
end:
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, zerostat;
size_t len = sizeof pim6stat;
if (live) {
if (zflag)
memset(&zerostat, 0, len);
if (sysctlbyname("net.inet6.pim.stats", &pim6stat, &len,
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
if (errno != ENOENT)
warn("sysctl: net.inet6.pim.stats");
return;
}
} else {
if (off == 0)
return;
kread(off, &pim6stat, len);
}
printf("%s:\n", name);
#define p(f, m) if (pim6stat.f || sflag <= 1) \
printf(m, (uintmax_t)pim6stat.f, plural(pim6stat.f))
p(pim6s_rcv_total, "\t%ju message%s received\n");
p(pim6s_rcv_tooshort, "\t%ju message%s received with too few bytes\n");
p(pim6s_rcv_badsum, "\t%ju message%s received with bad checksum\n");
p(pim6s_rcv_badversion, "\t%ju message%s received with bad version\n");
p(pim6s_rcv_registers, "\t%ju register%s received\n");
p(pim6s_rcv_badregisters, "\t%ju bad register%s received\n");
p(pim6s_snd_registers, "\t%ju register%s sent\n");
#undef p
}
/*
* 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;
size_t len;
len = sizeof(rip6stat);
if (live) {
if (sysctlbyname("net.inet6.ip6.rip6stats", &rip6stat, &len,
NULL, 0) < 0) {
if (errno != ENOENT)
warn("sysctl: net.inet6.ip6.rip6stats");
return;
}
} else
kread(off, &rip6stat, len);
printf("%s:\n", name);
#define p(f, m) if (rip6stat.f || sflag <= 1) \
printf(m, (uintmax_t)rip6stat.f, plural(rip6stat.f))
p(rip6s_ipackets, "\t%ju message%s received\n");
p(rip6s_isum, "\t%ju checksum calcuration%s on inbound\n");
p(rip6s_badsum, "\t%ju message%s with bad checksum\n");
p(rip6s_nosock, "\t%ju message%s dropped due to no socket\n");
p(rip6s_nosockmcast,
"\t%ju multicast message%s dropped due to no socket\n");
p(rip6s_fullsock,
"\t%ju 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%ju delivered\n", (uintmax_t)delivered);
p(rip6s_opackets, "\t%ju datagram%s output\n");
#undef p
}
/*
* 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(struct in6_addr *in6, int port, const char *proto, int numeric)
{
struct servent *sp = 0;
char line[80], *cp;
int width;
sprintf(line, "%.*s.", Wflag ? 39 :
(Aflag && !numeric) ? 12 : 16, inet6name(in6));
cp = index(line, '\0');
if (!numeric && port)
GETSERVBYPORT6(port, proto, sp);
if (sp || port == 0)
sprintf(cp, "%.8s", sp ? sp->s_name : "*");
else
sprintf(cp, "%d", ntohs((u_short)port));
width = Wflag ? 45 : Aflag ? 18 : 22;
printf("%-*.*s ", width, width, line);
}
/*
* 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 *in6p)
{
char *cp;
static char line[50];
struct hostent *hp;
static char domain[MAXHOSTNAMELEN];
static int first = 1;
if (first && !numeric_addr) {
first = 0;
if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
(cp = index(domain, '.')))
(void) strcpy(domain, cp + 1);
else
domain[0] = 0;
}
cp = 0;
if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) {
hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6);
if (hp) {
if ((cp = index(hp->h_name, '.')) &&
!strcmp(cp + 1, domain))
*cp = 0;
cp = hp->h_name;
}
}
if (IN6_IS_ADDR_UNSPECIFIED(in6p))
strcpy(line, "*");
else if (cp)
strcpy(line, cp);
else
sprintf(line, "%s",
inet_ntop(AF_INET6, (void *)in6p, ntop_buf,
sizeof(ntop_buf)));
return (line);
}
#endif /*INET6*/