OpenBSD-4.6/usr.bin/netstat/inet.c
/* $OpenBSD: inet.c,v 1.110 2009/02/07 15:06:04 chl Exp $ */
/* $NetBSD: inet.c,v 1.14 1995/10/03 21:42:37 thorpej 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/queue.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>
#include <sys/sysctl.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/in_pcb.h>
#include <netinet/ip_icmp.h>
#include <netinet/icmp_var.h>
#include <netinet/igmp_var.h>
#include <netinet/ip_var.h>
#include <netinet/pim_var.h>
#include <netinet/tcp.h>
#include <netinet/tcpip.h>
#include <netinet/tcp_seq.h>
#define TCPSTATES
#include <netinet/tcp_fsm.h>
#include <netinet/tcp_timer.h>
#include <netinet/tcp_var.h>
#include <netinet/tcp_debug.h>
#include <netinet/udp.h>
#include <netinet/udp_var.h>
#include <netinet/ip_ipsp.h>
#include <netinet/ip_ah.h>
#include <netinet/ip_esp.h>
#include <netinet/ip_ipip.h>
#include <netinet/ip_ipcomp.h>
#include <netinet/ip_ether.h>
#include <netinet/ip_carp.h>
#include <net/if.h>
#include <net/pfvar.h>
#include <net/if_pfsync.h>
#include <net/if_pflow.h>
#include <rpc/rpc.h>
#include <rpc/pmap_prot.h>
#include <rpc/pmap_clnt.h>
#include <arpa/inet.h>
#include <err.h>
#include <limits.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include "netstat.h"
struct inpcb inpcb;
struct tcpcb tcpcb;
struct socket sockb;
static void protopr0(u_long, char *, int);
char *inetname(struct in_addr *);
void inetprint(struct in_addr *, in_port_t, char *, int);
char *inet6name(struct in6_addr *);
void inet6print(struct in6_addr *, int, char *);
/*
* Print a summary of connections related to an Internet
* protocol. For TCP, also give state of connection.
* Listening processes (aflag) are suppressed unless the
* -a (all) flag is specified.
*/
void
protopr(u_long off, char *name)
{
protopr0(off, name, AF_INET);
}
void
ip6protopr(u_long off, char *name)
{
protopr0(off, name, AF_INET6);
}
static void
protopr0(u_long off, char *name, int af)
{
struct inpcbtable table;
struct inpcb *head, *next, *prev;
struct inpcb inpcb;
int istcp, israw, isany;
int first = 1;
char *name0;
char namebuf[20];
name0 = name;
if (off == 0)
return;
istcp = strcmp(name, "tcp") == 0;
israw = strncmp(name, "ip", 2) == 0;
kread(off, &table, sizeof table);
prev = head =
(struct inpcb *)&CIRCLEQ_FIRST(&((struct inpcbtable *)off)->inpt_queue);
next = CIRCLEQ_FIRST(&table.inpt_queue);
while (next != head) {
kread((u_long)next, &inpcb, sizeof inpcb);
if (CIRCLEQ_PREV(&inpcb, inp_queue) != prev) {
printf("???\n");
break;
}
prev = next;
next = CIRCLEQ_NEXT(&inpcb, inp_queue);
switch (af) {
case AF_INET:
if ((inpcb.inp_flags & INP_IPV6) != 0)
continue;
isany = inet_lnaof(inpcb.inp_faddr) == INADDR_ANY;
break;
case AF_INET6:
if ((inpcb.inp_flags & INP_IPV6) == 0)
continue;
isany = IN6_IS_ADDR_UNSPECIFIED(&inpcb.inp_faddr6);
break;
default:
isany = 0;
break;
}
kread((u_long)inpcb.inp_socket, &sockb, sizeof (sockb));
if (istcp) {
kread((u_long)inpcb.inp_ppcb, &tcpcb, sizeof (tcpcb));
if (!aflag && tcpcb.t_state <= TCPS_LISTEN)
continue;
} else if (!aflag && isany)
continue;
if (first) {
printf("Active Internet connections");
if (aflag)
printf(" (including servers)");
putchar('\n');
if (Aflag)
printf("%-*.*s %-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n",
PLEN, PLEN, "PCB", "Proto", "Recv-Q",
"Send-Q", "Local Address",
"Foreign Address", "(state)");
else
printf("%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
"Proto", "Recv-Q", "Send-Q",
"Local Address", "Foreign Address",
"(state)");
first = 0;
}
if (Aflag) {
if (istcp)
printf("%*p ", PLEN, inpcb.inp_ppcb);
else
printf("%*p ", PLEN, prev);
}
if (inpcb.inp_flags & INP_IPV6 && !israw) {
strlcpy(namebuf, name0, sizeof namebuf);
strlcat(namebuf, "6", sizeof namebuf);
name = namebuf;
} else
name = name0;
printf("%-5.5s %6ld %6ld ", name, sockb.so_rcv.sb_cc,
sockb.so_snd.sb_cc);
if (inpcb.inp_flags & INP_IPV6) {
inet6print(&inpcb.inp_laddr6, (int)inpcb.inp_lport,
name);
inet6print(&inpcb.inp_faddr6, (int)inpcb.inp_fport,
name);
} else {
inetprint(&inpcb.inp_laddr, (int)inpcb.inp_lport,
name, 1);
inetprint(&inpcb.inp_faddr, (int)inpcb.inp_fport,
name, 0);
}
if (istcp) {
if (tcpcb.t_state < 0 || tcpcb.t_state >= TCP_NSTATES)
printf(" %d", tcpcb.t_state);
else
printf(" %s", tcpstates[tcpcb.t_state]);
} else if (israw) {
u_int8_t proto;
if (inpcb.inp_flags & INP_IPV6)
proto = inpcb.inp_ipv6.ip6_nxt;
else
proto = inpcb.inp_ip.ip_p;
printf(" %u", proto);
}
putchar('\n');
}
}
/*
* Dump TCP statistics structure.
*/
void
tcp_stats(char *name)
{
struct tcpstat tcpstat;
int mib[] = { CTL_NET, AF_INET, IPPROTO_TCP, TCPCTL_STATS };
size_t len = sizeof(tcpstat);
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
&tcpstat, &len, NULL, 0) == -1) {
if (errno != ENOPROTOOPT)
warn(name);
return;
}
printf("%s:\n", name);
#define p(f, m) if (tcpstat.f || sflag <= 1) \
printf(m, tcpstat.f, plural(tcpstat.f))
#define p1(f, m) if (tcpstat.f || sflag <= 1) \
printf(m, tcpstat.f)
#define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2))
#define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2)
#define p3(f, m) if (tcpstat.f || sflag <= 1) \
printf(m, tcpstat.f, plurales(tcpstat.f))
p(tcps_sndtotal, "\t%u packet%s sent\n");
p2(tcps_sndpack,tcps_sndbyte,
"\t\t%u data packet%s (%qd byte%s)\n");
p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
"\t\t%u data packet%s (%qd byte%s) retransmitted\n");
p(tcps_sndrexmitfast, "\t\t%qd fast retransmitted packet%s\n");
p2a(tcps_sndacks, tcps_delack,
"\t\t%u ack-only packet%s (%u delayed)\n");
p(tcps_sndurg, "\t\t%u URG only packet%s\n");
p(tcps_sndprobe, "\t\t%u window probe packet%s\n");
p(tcps_sndwinup, "\t\t%u window update packet%s\n");
p(tcps_sndctrl, "\t\t%u control packet%s\n");
p(tcps_outhwcsum, "\t\t%u packet%s hardware-checksummed\n");
p(tcps_rcvtotal, "\t%u packet%s received\n");
p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%u ack%s (for %qd byte%s)\n");
p(tcps_rcvdupack, "\t\t%u duplicate ack%s\n");
p(tcps_rcvacktoomuch, "\t\t%u ack%s for unsent data\n");
p(tcps_rcvacktooold, "\t\t%u ack%s for old data\n");
p2(tcps_rcvpack, tcps_rcvbyte,
"\t\t%u packet%s (%qu byte%s) received in-sequence\n");
p2(tcps_rcvduppack, tcps_rcvdupbyte,
"\t\t%u completely duplicate packet%s (%qd byte%s)\n");
p(tcps_pawsdrop, "\t\t%u old duplicate packet%s\n");
p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
"\t\t%u packet%s with some duplicate data (%qd byte%s duplicated)\n");
p2(tcps_rcvoopack, tcps_rcvoobyte,
"\t\t%u out-of-order packet%s (%qd byte%s)\n");
p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
"\t\t%u packet%s (%qd byte%s) of data after window\n");
p(tcps_rcvwinprobe, "\t\t%u window probe%s\n");
p(tcps_rcvwinupd, "\t\t%u window update packet%s\n");
p(tcps_rcvafterclose, "\t\t%u packet%s received after close\n");
p(tcps_rcvbadsum, "\t\t%u discarded for bad checksum%s\n");
p(tcps_rcvbadoff, "\t\t%u discarded for bad header offset field%s\n");
p1(tcps_rcvshort, "\t\t%u discarded because packet too short\n");
p1(tcps_rcvnosec, "\t\t%u discarded for missing IPsec protection\n");
p1(tcps_rcvmemdrop, "\t\t%u discarded due to memory shortage\n");
p(tcps_inhwcsum, "\t\t%u packet%s hardware-checksummed\n");
p(tcps_rcvbadsig, "\t\t%u bad/missing md5 checksum%s\n");
p(tcps_rcvgoodsig, "\t\t%qd good md5 checksum%s\n");
p(tcps_connattempt, "\t%u connection request%s\n");
p(tcps_accepts, "\t%u connection accept%s\n");
p(tcps_connects, "\t%u connection%s established (including accepts)\n");
p2(tcps_closed, tcps_drops,
"\t%u connection%s closed (including %u drop%s)\n");
p(tcps_conndrained, "\t%qd connection%s drained\n");
p(tcps_conndrops, "\t%u embryonic connection%s dropped\n");
p2(tcps_rttupdated, tcps_segstimed,
"\t%u segment%s updated rtt (of %u attempt%s)\n");
p(tcps_rexmttimeo, "\t%u retransmit timeout%s\n");
p(tcps_timeoutdrop, "\t\t%u connection%s dropped by rexmit timeout\n");
p(tcps_persisttimeo, "\t%u persist timeout%s\n");
p(tcps_keeptimeo, "\t%u keepalive timeout%s\n");
p(tcps_keepprobe, "\t\t%u keepalive probe%s sent\n");
p(tcps_keepdrops, "\t\t%u connection%s dropped by keepalive\n");
p(tcps_predack, "\t%u correct ACK header prediction%s\n");
p(tcps_preddat, "\t%u correct data packet header prediction%s\n");
p3(tcps_pcbhashmiss, "\t%u PCB cache miss%s\n");
p(tcps_ecn_accepts, "\t%u ECN connection%s accepted\n");
p(tcps_ecn_rcvece, "\t\t%u ECE packet%s received\n");
p(tcps_ecn_rcvcwr, "\t\t%u CWR packet%s received\n");
p(tcps_ecn_rcvce, "\t\t%u CE packet%s received\n");
p(tcps_ecn_sndect, "\t\t%u ECT packet%s sent\n");
p(tcps_ecn_sndece, "\t\t%u ECE packet%s sent\n");
p(tcps_ecn_sndcwr, "\t\t%u CWR packet%s sent\n");
p1(tcps_cwr_frecovery, "\t\t\tcwr by fastrecovery: %u\n");
p1(tcps_cwr_timeout, "\t\t\tcwr by timeout: %u\n");
p1(tcps_cwr_ecn, "\t\t\tcwr by ecn: %u\n");
p(tcps_badsyn, "\t%u bad connection attempt%s\n");
p1(tcps_sc_added, "\t%qd SYN cache entries added\n");
p(tcps_sc_collisions, "\t\t%qd hash collision%s\n");
p1(tcps_sc_completed, "\t\t%qd completed\n");
p1(tcps_sc_aborted, "\t\t%qd aborted (no space to build PCB)\n");
p1(tcps_sc_timed_out, "\t\t%qd timed out\n");
p1(tcps_sc_overflowed, "\t\t%qd dropped due to overflow\n");
p1(tcps_sc_bucketoverflow, "\t\t%qd dropped due to bucket overflow\n");
p1(tcps_sc_reset, "\t\t%qd dropped due to RST\n");
p1(tcps_sc_unreach, "\t\t%qd dropped due to ICMP unreachable\n");
p(tcps_sc_retransmitted, "\t%qd SYN,ACK%s retransmitted\n");
p(tcps_sc_dupesyn, "\t%qd duplicate SYN%s received for entries "
"already in the cache\n");
p(tcps_sc_dropped, "\t%qd SYN%s dropped (no route or no space)\n");
p(tcps_sack_recovery_episode, "\t%qd SACK recovery episode%s\n");
p(tcps_sack_rexmits,
"\t\t%qd segment rexmit%s in SACK recovery episodes\n");
p(tcps_sack_rexmit_bytes,
"\t\t%qd byte rexmit%s in SACK recovery episodes\n");
p(tcps_sack_rcv_opts,
"\t%qd SACK option%s received\n");
p(tcps_sack_snd_opts, "\t%qd SACK option%s sent\n");
#undef p
#undef p1
#undef p2
#undef p2a
#undef p3
}
/*
* Dump UDP statistics structure.
*/
void
udp_stats(char *name)
{
struct udpstat udpstat;
u_long delivered;
int mib[] = { CTL_NET, AF_INET, IPPROTO_UDP, UDPCTL_STATS };
size_t len = sizeof(udpstat);
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
&udpstat, &len, NULL, 0) == -1) {
if (errno != ENOPROTOOPT)
warn(name);
return;
}
printf("%s:\n", name);
#define p(f, m) if (udpstat.f || sflag <= 1) \
printf(m, udpstat.f, plural(udpstat.f))
#define p1(f, m) if (udpstat.f || sflag <= 1) \
printf(m, udpstat.f)
p(udps_ipackets, "\t%lu datagram%s received\n");
p1(udps_hdrops, "\t%lu with incomplete header\n");
p1(udps_badlen, "\t%lu with bad data length field\n");
p1(udps_badsum, "\t%lu with bad checksum\n");
p1(udps_nosum, "\t%lu with no checksum\n");
p(udps_inhwcsum, "\t%lu input packet%s hardware-checksummed\n");
p(udps_outhwcsum, "\t%lu output packet%s hardware-checksummed\n");
p1(udps_noport, "\t%lu dropped due to no socket\n");
p(udps_noportbcast, "\t%lu broadcast/multicast datagram%s dropped due to no socket\n");
p1(udps_nosec, "\t%lu dropped due to missing IPsec protection\n");
p1(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
delivered = udpstat.udps_ipackets - udpstat.udps_hdrops -
udpstat.udps_badlen - udpstat.udps_badsum -
udpstat.udps_noport - udpstat.udps_noportbcast -
udpstat.udps_fullsock;
if (delivered || sflag <= 1)
printf("\t%lu delivered\n", delivered);
p(udps_opackets, "\t%lu datagram%s output\n");
p1(udps_pcbhashmiss, "\t%lu missed PCB cache\n");
#undef p
#undef p1
}
/*
* Dump IP statistics structure.
*/
void
ip_stats(char *name)
{
struct ipstat ipstat;
int mib[] = { CTL_NET, AF_INET, IPPROTO_IP, IPCTL_STATS };
size_t len = sizeof(ipstat);
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
&ipstat, &len, NULL, 0) == -1) {
if (errno != ENOPROTOOPT)
warn(name);
return;
}
printf("%s:\n", name);
#define p(f, m) if (ipstat.f || sflag <= 1) \
printf(m, ipstat.f, plural(ipstat.f))
#define p1(f, m) if (ipstat.f || sflag <= 1) \
printf(m, ipstat.f)
p(ips_total, "\t%lu total packet%s received\n");
p(ips_badsum, "\t%lu bad header checksum%s\n");
p1(ips_toosmall, "\t%lu with size smaller than minimum\n");
p1(ips_tooshort, "\t%lu with data size < data length\n");
p1(ips_badhlen, "\t%lu with header length < data size\n");
p1(ips_badlen, "\t%lu with data length < header length\n");
p1(ips_badoptions, "\t%lu with bad options\n");
p1(ips_badvers, "\t%lu with incorrect version number\n");
p(ips_fragments, "\t%lu fragment%s received\n");
p(ips_fragdropped, "\t%lu fragment%s dropped (duplicates or out of space)\n");
p(ips_badfrags, "\t%lu malformed fragment%s dropped\n");
p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n");
p(ips_reassembled, "\t%lu packet%s reassembled ok\n");
p(ips_delivered, "\t%lu packet%s for this host\n");
p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");
p(ips_forward, "\t%lu packet%s forwarded\n");
p(ips_cantforward, "\t%lu packet%s not forwardable\n");
p(ips_redirectsent, "\t%lu redirect%s sent\n");
p(ips_localout, "\t%lu packet%s sent from this host\n");
p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n");
p(ips_odropped, "\t%lu output packet%s dropped due to no bufs, etc.\n");
p(ips_noroute, "\t%lu output packet%s discarded due to no route\n");
p(ips_fragmented, "\t%lu output datagram%s fragmented\n");
p(ips_ofragments, "\t%lu fragment%s created\n");
p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n");
p1(ips_rcvmemdrop, "\t%lu fragment floods\n");
p(ips_toolong, "\t%lu packet%s with ip length > max ip packet size\n");
p(ips_nogif, "\t%lu tunneling packet%s that can't find gif\n");
p(ips_badaddr, "\t%lu datagram%s with bad address in header\n");
p(ips_inhwcsum, "\t%lu input datagram%s checksum-processed by hardware\n");
p(ips_outhwcsum, "\t%lu output datagram%s checksum-processed by hardware\n");
p(ips_notmember, "\t%lu multicast packet%s which we don't join\n");
#undef p
#undef p1
}
static char *icmpnames[ICMP_MAXTYPE + 1] = {
"echo reply",
"#1",
"#2",
"destination unreachable",
"source quench",
"routing redirect",
"#6",
"#7",
"echo",
"router advertisement",
"router solicitation",
"time exceeded",
"parameter problem",
"time stamp",
"time stamp reply",
"information request",
"information request reply",
"address mask request",
"address mask reply",
"#19",
"#20",
"#21",
"#22",
"#23",
"#24",
"#25",
"#26",
"#27",
"#28",
"#29",
"traceroute",
"data conversion error",
"mobile host redirect",
"IPv6 where-are-you",
"IPv6 i-am-here",
"mobile registration request",
"mobile registration reply",
"#37",
"#38",
"SKIP",
"Photuris",
};
/*
* Dump ICMP statistics.
*/
void
icmp_stats(char *name)
{
struct icmpstat icmpstat;
int i, first;
int mib[] = { CTL_NET, AF_INET, IPPROTO_ICMP, ICMPCTL_STATS };
size_t len = sizeof(icmpstat);
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
&icmpstat, &len, NULL, 0) == -1) {
if (errno != ENOPROTOOPT)
warn(name);
return;
}
printf("%s:\n", name);
#define p(f, m) if (icmpstat.f || sflag <= 1) \
printf(m, icmpstat.f, plural(icmpstat.f))
p(icps_error, "\t%lu call%s to icmp_error\n");
p(icps_oldicmp,
"\t%lu error%s not generated because old message was icmp\n");
for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
if (icmpstat.icps_outhist[i] != 0) {
if (first) {
printf("\tOutput packet histogram:\n");
first = 0;
}
if (icmpnames[i])
printf("\t\t%s:", icmpnames[i]);
else
printf("\t\t#%d:", i);
printf(" %lu\n", icmpstat.icps_outhist[i]);
}
p(icps_badcode, "\t%lu message%s with bad code fields\n");
p(icps_tooshort, "\t%lu message%s < minimum length\n");
p(icps_checksum, "\t%lu bad checksum%s\n");
p(icps_badlen, "\t%lu message%s with bad length\n");
for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
if (icmpstat.icps_inhist[i] != 0) {
if (first) {
printf("\tInput packet histogram:\n");
first = 0;
}
if (icmpnames[i])
printf("\t\t%s:", icmpnames[i]);
else
printf("\t\t#%d:", i);
printf(" %lu\n", icmpstat.icps_inhist[i]);
}
p(icps_reflect, "\t%lu message response%s generated\n");
#undef p
}
/*
* Dump IGMP statistics structure.
*/
void
igmp_stats(char *name)
{
struct igmpstat igmpstat;
int mib[] = { CTL_NET, AF_INET, IPPROTO_IGMP, IGMPCTL_STATS };
size_t len = sizeof(igmpstat);
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
&igmpstat, &len, NULL, 0) == -1) {
if (errno != ENOPROTOOPT)
warn(name);
return;
}
printf("%s:\n", name);
#define p(f, m) if (igmpstat.f || sflag <= 1) \
printf(m, igmpstat.f, plural(igmpstat.f))
#define py(f, m) if (igmpstat.f || sflag <= 1) \
printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
p(igps_rcv_total, "\t%lu message%s received\n");
p(igps_rcv_tooshort, "\t%lu message%s received with too few bytes\n");
p(igps_rcv_badsum, "\t%lu message%s received with bad checksum\n");
py(igps_rcv_queries, "\t%lu membership quer%s received\n");
py(igps_rcv_badqueries, "\t%lu membership quer%s received with invalid field(s)\n");
p(igps_rcv_reports, "\t%lu membership report%s received\n");
p(igps_rcv_badreports, "\t%lu membership report%s received with invalid field(s)\n");
p(igps_rcv_ourreports, "\t%lu membership report%s received for groups to which we belong\n");
p(igps_snd_reports, "\t%lu membership report%s sent\n");
#undef p
#undef py
}
/*
* Dump PIM statistics structure.
*/
void
pim_stats(char *name)
{
struct pimstat pimstat;
int mib[] = { CTL_NET, AF_INET, IPPROTO_PIM, PIMCTL_STATS };
size_t len = sizeof(pimstat);
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
&pimstat, &len, NULL, 0) == -1) {
if (errno != ENOPROTOOPT)
warn(name);
return;
}
printf("%s:\n", name);
#define p(f, m) if (pimstat.f || sflag <= 1) \
printf(m, pimstat.f, plural(pimstat.f))
#define py(f, m) if (pimstat.f || sflag <= 1) \
printf(m, pimstat.f, pimstat.f != 1 ? "ies" : "y")
p(pims_rcv_total_msgs, "\t%llu message%s received\n");
p(pims_rcv_total_bytes, "\t%llu byte%s received\n");
p(pims_rcv_tooshort, "\t%llu message%s received with too few bytes\n");
p(pims_rcv_badsum, "\t%llu message%s received with bad checksum\n");
p(pims_rcv_badversion, "\t%llu message%s received with bad version\n");
p(pims_rcv_registers_msgs, "\t%llu data register message%s received\n");
p(pims_rcv_registers_bytes, "\t%llu data register byte%s received\n");
p(pims_rcv_registers_wrongiif, "\t%llu data register message%s received on wrong iif\n");
p(pims_rcv_badregisters, "\t%llu bad register%s received\n");
p(pims_snd_registers_msgs, "\t%llu data register message%s sent\n");
p(pims_snd_registers_bytes, "\t%llu data register byte%s sent\n");
#undef p
#undef py
}
struct rpcnams {
struct rpcnams *next;
in_port_t port;
int proto;
char *rpcname;
};
static char *
getrpcportnam(in_port_t port, int proto)
{
struct sockaddr_in server_addr;
struct hostent *hp;
static struct pmaplist *head;
int socket = RPC_ANYSOCK;
struct timeval minutetimeout;
CLIENT *client;
struct rpcent *rpc;
static int first;
static struct rpcnams *rpcn;
struct rpcnams *n;
char num[20];
if (first == 0) {
first = 1;
memset(&server_addr, 0, sizeof server_addr);
server_addr.sin_family = AF_INET;
if ((hp = gethostbyname("localhost")) != NULL)
memmove((caddr_t)&server_addr.sin_addr, hp->h_addr,
hp->h_length);
else
(void) inet_aton("0.0.0.0", &server_addr.sin_addr);
minutetimeout.tv_sec = 60;
minutetimeout.tv_usec = 0;
server_addr.sin_port = htons(PMAPPORT);
if ((client = clnttcp_create(&server_addr, PMAPPROG,
PMAPVERS, &socket, 50, 500)) == NULL)
return (NULL);
if (clnt_call(client, PMAPPROC_DUMP, xdr_void, NULL,
xdr_pmaplist, &head, minutetimeout) != RPC_SUCCESS) {
clnt_destroy(client);
return (NULL);
}
for (; head != NULL; head = head->pml_next) {
n = (struct rpcnams *)malloc(sizeof(struct rpcnams));
if (n == NULL)
continue;
n->next = rpcn;
rpcn = n;
n->port = head->pml_map.pm_port;
n->proto = head->pml_map.pm_prot;
rpc = getrpcbynumber(head->pml_map.pm_prog);
if (rpc)
n->rpcname = strdup(rpc->r_name);
else {
snprintf(num, sizeof num, "%ld",
head->pml_map.pm_prog);
n->rpcname = strdup(num);
}
}
clnt_destroy(client);
}
for (n = rpcn; n; n = n->next)
if (n->port == port && n->proto == proto)
return (n->rpcname);
return (NULL);
}
/*
* Pretty print an Internet address (net address + port).
* If the nflag was specified, use numbers instead of names.
*/
void
inetprint(struct in_addr *in, in_port_t port, char *proto, int local)
{
struct servent *sp = 0;
char line[80], *cp, *nam;
int width;
snprintf(line, sizeof line, "%.*s.", (Aflag && !nflag) ? 12 : 16,
inetname(in));
cp = strchr(line, '\0');
if (!nflag && port)
sp = getservbyport((int)port, proto);
if (sp || port == 0)
snprintf(cp, line + sizeof line - cp, "%.8s",
sp ? sp->s_name : "*");
else if (local && !nflag && (nam = getrpcportnam(ntohs(port),
(strcmp(proto, "tcp") == 0 ? IPPROTO_TCP : IPPROTO_UDP))))
snprintf(cp, line + sizeof line - cp, "%d[%.8s]",
ntohs(port), nam);
else
snprintf(cp, line + sizeof line - cp, "%d", ntohs(port));
width = Aflag ? 18 : 22;
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 *
inetname(struct in_addr *inp)
{
char *cp;
static char line[50];
struct hostent *hp;
struct netent *np;
static char domain[MAXHOSTNAMELEN];
static int first = 1;
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 = NULL;
if (!nflag && inp->s_addr != INADDR_ANY) {
int net = inet_netof(*inp);
int lna = inet_lnaof(*inp);
if (lna == INADDR_ANY) {
np = getnetbyaddr(net, AF_INET);
if (np)
cp = np->n_name;
}
if (cp == NULL) {
hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
if (hp) {
if ((cp = strchr(hp->h_name, '.')) &&
!strcmp(cp + 1, domain))
*cp = '\0';
cp = hp->h_name;
}
}
}
if (inp->s_addr == INADDR_ANY)
snprintf(line, sizeof line, "*");
else if (cp)
snprintf(line, sizeof line, "%s", cp);
else {
inp->s_addr = ntohl(inp->s_addr);
#define C(x) ((x) & 0xff)
snprintf(line, sizeof line, "%u.%u.%u.%u",
C(inp->s_addr >> 24), C(inp->s_addr >> 16),
C(inp->s_addr >> 8), C(inp->s_addr));
}
return (line);
}
/*
* Dump AH statistics structure.
*/
void
ah_stats(char *name)
{
struct ahstat ahstat;
int mib[] = { CTL_NET, AF_INET, IPPROTO_AH, AHCTL_STATS };
size_t len = sizeof(ahstat);
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
&ahstat, &len, NULL, 0) == -1) {
if (errno != ENOPROTOOPT)
warn(name);
return;
}
printf("%s:\n", name);
#define p(f, m) if (ahstat.f || sflag <= 1) \
printf(m, ahstat.f, plural(ahstat.f))
#define p1(f, m) if (ahstat.f || sflag <= 1) \
printf(m, ahstat.f)
p1(ahs_input, "\t%u input AH packets\n");
p1(ahs_output, "\t%u output AH packets\n");
p(ahs_nopf, "\t%u packet%s from unsupported protocol families\n");
p(ahs_hdrops, "\t%u packet%s shorter than header shows\n");
p(ahs_pdrops, "\t%u packet%s dropped due to policy\n");
p(ahs_notdb, "\t%u packet%s for which no TDB was found\n");
p(ahs_badkcr, "\t%u input packet%s that failed to be processed\n");
p(ahs_badauth, "\t%u packet%s that failed verification received\n");
p(ahs_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
p(ahs_qfull, "\t%u packet%s were dropped due to full output queue\n");
p(ahs_wrap, "\t%u packet%s where counter wrapping was detected\n");
p(ahs_replay, "\t%u possibly replayed packet%s received\n");
p(ahs_badauthl, "\t%u packet%s with bad authenticator length received\n");
p(ahs_invalid, "\t%u packet%s attempted to use an invalid TDB\n");
p(ahs_toobig, "\t%u packet%s got larger than max IP packet size\n");
p(ahs_crypto, "\t%u packet%s that failed crypto processing\n");
p(ahs_ibytes, "\t%qu input byte%s\n");
p(ahs_obytes, "\t%qu output byte%s\n");
#undef p
#undef p1
}
/*
* Dump etherip statistics structure.
*/
void
etherip_stats(char *name)
{
struct etheripstat etheripstat;
int mib[] = { CTL_NET, AF_INET, IPPROTO_ETHERIP, ETHERIPCTL_STATS };
size_t len = sizeof(etheripstat);
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
ðeripstat, &len, NULL, 0) == -1) {
if (errno != ENOPROTOOPT)
warn(name);
return;
}
printf("%s:\n", name);
#define p(f, m) if (etheripstat.f || sflag <= 1) \
printf(m, etheripstat.f, plural(etheripstat.f))
p(etherip_hdrops, "\t%u packet%s shorter than header shows\n");
p(etherip_qfull, "\t%u packet%s were dropped due to full output queue\n");
p(etherip_noifdrops, "\t%u packet%s were dropped because of no interface/bridge information\n");
p(etherip_pdrops, "\t%u packet%s dropped due to policy\n");
p(etherip_adrops, "\t%u packet%s dropped for other reasons\n");
p(etherip_ipackets, "\t%u input ethernet-in-IP packet%s\n");
p(etherip_opackets, "\t%u output ethernet-in-IP packet%s\n");
p(etherip_ibytes, "\t%qu input byte%s\n");
p(etherip_obytes, "\t%qu output byte%s\n");
#undef p
}
/*
* Dump ESP statistics structure.
*/
void
esp_stats(char *name)
{
struct espstat espstat;
int mib[] = { CTL_NET, AF_INET, IPPROTO_ESP, ESPCTL_STATS };
size_t len = sizeof(espstat);
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
&espstat, &len, NULL, 0) == -1) {
if (errno != ENOPROTOOPT)
warn(name);
return;
}
printf("%s:\n", name);
#define p(f, m) if (espstat.f || sflag <= 1) \
printf(m, espstat.f, plural(espstat.f))
p(esps_input, "\t%u input ESP packet%s\n");
p(esps_output, "\t%u output ESP packet%s\n");
p(esps_nopf, "\t%u packet%s from unsupported protocol families\n");
p(esps_hdrops, "\t%u packet%s shorter than header shows\n");
p(esps_pdrops, "\t%u packet%s dropped due to policy\n");
p(esps_notdb, "\t%u packet%s for which no TDB was found\n");
p(esps_badkcr, "\t%u input packet%s that failed to be processed\n");
p(esps_badenc, "\t%u packet%s with bad encryption received\n");
p(esps_badauth, "\t%u packet%s that failed verification received\n");
p(esps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
p(esps_qfull, "\t%u packet%s were dropped due to full output queue\n");
p(esps_wrap, "\t%u packet%s where counter wrapping was detected\n");
p(esps_replay, "\t%u possibly replayed packet%s received\n");
p(esps_badilen, "\t%u packet%s with bad payload size or padding received\n");
p(esps_invalid, "\t%u packet%s attempted to use an invalid TDB\n");
p(esps_toobig, "\t%u packet%s got larger than max IP packet size\n");
p(esps_crypto, "\t%u packet%s that failed crypto processing\n");
p(esps_udpencin, "\t%u input UDP encapsulated ESP packet%s\n");
p(esps_udpencout, "\t%u output UDP encapsulated ESP packet%s\n");
p(esps_udpinval, "\t%u UDP packet%s for non-encapsulating TDB received\n");
p(esps_ibytes, "\t%qu input byte%s\n");
p(esps_obytes, "\t%qu output byte%s\n");
#undef p
}
/*
* Dump IP-in-IP statistics structure.
*/
void
ipip_stats(char *name)
{
struct ipipstat ipipstat;
int mib[] = { CTL_NET, AF_INET, IPPROTO_IPIP, IPIPCTL_STATS };
size_t len = sizeof(ipipstat);
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
&ipipstat, &len, NULL, 0) == -1) {
if (errno != ENOPROTOOPT)
warn(name);
return;
}
printf("%s:\n", name);
#define p(f, m) if (ipipstat.f || sflag <= 1) \
printf(m, ipipstat.f, plural(ipipstat.f))
p(ipips_ipackets, "\t%u total input packet%s\n");
p(ipips_opackets, "\t%u total output packet%s\n");
p(ipips_hdrops, "\t%u packet%s shorter than header shows\n");
p(ipips_pdrops, "\t%u packet%s dropped due to policy\n");
p(ipips_spoof, "\t%u packet%s with possibly spoofed local addresses\n");
p(ipips_qfull, "\t%u packet%s were dropped due to full output queue\n");
p(ipips_ibytes, "\t%qu input byte%s\n");
p(ipips_obytes, "\t%qu output byte%s\n");
p(ipips_family, "\t%u protocol family mismatche%s\n");
p(ipips_unspec, "\t%u attempt%s to use tunnel with unspecified endpoint(s)\n");
#undef p
}
/*
* Dump CARP statistics structure.
*/
void
carp_stats(char *name)
{
struct carpstats carpstat;
int mib[] = { CTL_NET, AF_INET, IPPROTO_CARP, CARPCTL_STATS };
size_t len = sizeof(carpstat);
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
&carpstat, &len, NULL, 0) == -1) {
if (errno != ENOPROTOOPT)
warn(name);
return;
}
printf("%s:\n", name);
#define p(f, m) if (carpstat.f || sflag <= 1) \
printf(m, carpstat.f, plural(carpstat.f))
#define p2(f, m) if (carpstat.f || sflag <= 1) \
printf(m, carpstat.f)
p(carps_ipackets, "\t%llu packet%s received (IPv4)\n");
p(carps_ipackets6, "\t%llu packet%s received (IPv6)\n");
p(carps_badif, "\t\t%llu packet%s discarded for bad interface\n");
p(carps_badttl, "\t\t%llu packet%s discarded for wrong TTL\n");
p(carps_hdrops, "\t\t%llu packet%s shorter than header\n");
p(carps_badsum, "\t\t%llu discarded for bad checksum%s\n");
p(carps_badver, "\t\t%llu discarded packet%s with a bad version\n");
p2(carps_badlen, "\t\t%llu discarded because packet too short\n");
p2(carps_badauth, "\t\t%llu discarded for bad authentication\n");
p2(carps_badvhid, "\t\t%llu discarded for unknown vhid\n");
p2(carps_badaddrs, "\t\t%llu discarded because of a bad address list\n");
p(carps_opackets, "\t%llu packet%s sent (IPv4)\n");
p(carps_opackets6, "\t%llu packet%s sent (IPv6)\n");
p2(carps_onomem, "\t\t%llu send failed due to mbuf memory error\n");
p(carps_preempt, "\t%llu transition%s to master\n");
#undef p
#undef p2
}
/*
* Dump pfsync statistics structure.
*/
void
pfsync_stats(char *name)
{
struct pfsyncstats pfsyncstat;
int mib[] = { CTL_NET, AF_INET, IPPROTO_PFSYNC, PFSYNCCTL_STATS };
size_t len = sizeof(pfsyncstat);
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
&pfsyncstat, &len, NULL, 0) == -1) {
if (errno != ENOPROTOOPT)
warn(name);
return;
}
printf("%s:\n", name);
#define p(f, m) if (pfsyncstat.f || sflag <= 1) \
printf(m, pfsyncstat.f, plural(pfsyncstat.f))
#define p2(f, m) if (pfsyncstat.f || sflag <= 1) \
printf(m, pfsyncstat.f)
p(pfsyncs_ipackets, "\t%llu packet%s received (IPv4)\n");
p(pfsyncs_ipackets6, "\t%llu packet%s received (IPv6)\n");
p(pfsyncs_badif, "\t\t%llu packet%s discarded for bad interface\n");
p(pfsyncs_badttl, "\t\t%llu packet%s discarded for bad ttl\n");
p(pfsyncs_hdrops, "\t\t%llu packet%s shorter than header\n");
p(pfsyncs_badver, "\t\t%llu packet%s discarded for bad version\n");
p(pfsyncs_badauth, "\t\t%llu packet%s discarded for bad HMAC\n");
p(pfsyncs_badact,"\t\t%llu packet%s discarded for bad action\n");
p(pfsyncs_badlen, "\t\t%llu packet%s discarded for short packet\n");
p(pfsyncs_badval, "\t\t%llu state%s discarded for bad values\n");
p(pfsyncs_stale, "\t\t%llu stale state%s\n");
p(pfsyncs_badstate, "\t\t%llu failed state lookup/insert%s\n");
p(pfsyncs_opackets, "\t%llu packet%s sent (IPv4)\n");
p(pfsyncs_opackets6, "\t%llu packet%s sent (IPv6)\n");
p2(pfsyncs_onomem, "\t\t%llu send failed due to mbuf memory error\n");
p2(pfsyncs_oerrors, "\t\t%llu send error\n");
#undef p
#undef p2
}
/*
* Dump pflow statistics structure.
*/
void
pflow_stats(char *name)
{
struct pflowstats flowstats;
int mib[] = { CTL_NET, PF_PFLOW, NET_PFLOW_STATS };
size_t len = sizeof(struct pflowstats);
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), &flowstats, &len,
NULL, 0) == -1) {
if (errno != ENOPROTOOPT)
warn(name);
return;
}
printf("%s:\n", name);
#define p(f, m) if (flowstats.f || sflag <= 1) \
printf(m, flowstats.f, plural(flowstats.f))
#define p2(f, m) if (flowstats.f || sflag <= 1) \
printf(m, flowstats.f)
p(pflow_flows, "\t%llu flow%s sent\n");
p(pflow_packets, "\t%llu packet%s sent\n");
p2(pflow_onomem, "\t\t%llu send failed due to mbuf memory error\n");
p2(pflow_oerrors, "\t\t%llu send error\n");
#undef p
#undef p2
}
/*
* Dump IPCOMP statistics structure.
*/
void
ipcomp_stats(char *name)
{
struct ipcompstat ipcompstat;
int mib[] = { CTL_NET, AF_INET, IPPROTO_IPCOMP, IPCOMPCTL_STATS };
size_t len = sizeof(ipcompstat);
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
&ipcompstat, &len, NULL, 0) == -1) {
if (errno != ENOPROTOOPT)
warn(name);
return;
}
printf("%s:\n", name);
#define p(f, m) if (ipcompstat.f || sflag <= 1) \
printf(m, ipcompstat.f, plural(ipcompstat.f))
p(ipcomps_input, "\t%u input IPCOMP packet%s\n");
p(ipcomps_output, "\t%u output IPCOMP packet%s\n");
p(ipcomps_nopf, "\t%u packet%s from unsupported protocol families\n");
p(ipcomps_hdrops, "\t%u packet%s shorter than header shows\n");
p(ipcomps_pdrops, "\t%u packet%s dropped due to policy\n");
p(ipcomps_notdb, "\t%u packet%s for which no TDB was found\n");
p(ipcomps_badkcr, "\t%u input packet%s that failed to be processed\n");
p(ipcomps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
p(ipcomps_qfull, "\t%u packet%s were dropped due to full output queue\n");
p(ipcomps_wrap, "\t%u packet%s where counter wrapping was detected\n");
p(ipcomps_invalid, "\t%u packet%s attempted to use an invalid TDB\n");
p(ipcomps_toobig, "\t%u packet%s got larger than max IP packet size\n");
p(ipcomps_crypto, "\t%u packet%s that failed (de)compression processing\n");
p(ipcomps_minlen, "\t%u packet%s less than minimum compression length\n");
p(ipcomps_ibytes, "\t%qu input byte%s\n");
p(ipcomps_obytes, "\t%qu output byte%s\n");
#undef p
}
/*
* Dump the contents of a TCPCB
*/
void
tcp_dump(u_long off)
{
struct tcpcb tcpcb;
if (off == 0)
return;
kread(off, (char *)&tcpcb, sizeof (tcpcb));
#define p(fmt, v, sep) printf(#v " " fmt sep, tcpcb.v);
printf("pcb %#lx, ", off);
p("%p", t_inpcb, "\n");
p("%d", t_state, "");
if (tcpcb.t_state >= 0 && tcpcb.t_state < TCP_NSTATES)
printf(" (%s)", tcpstates[tcpcb.t_state]);
printf("\n");
p("%d", t_rxtshift, ", ");
p("%d", t_rxtcur, ", ");
p("%d", t_dupacks, "\n");
p("%u", t_maxseg, ", ");
p("%u", t_maxopd, ", ");
p("%u", t_peermss, "\n");
p("0x%x", t_flags, ", ");
p("%u", t_force, "\n");
p("%u", iss, "\n");
p("%u", snd_una, ", ");
p("%u", snd_nxt, ", ");
p("%u", snd_up, "\n");
p("%u", snd_wl1, ", ");
p("%u", snd_wl2, ", ");
p("%lu", snd_wnd, "\n");
p("%d", sack_enable, ", ");
p("%d", snd_numholes, ", ");
p("%u", snd_fack, ", ");
p("%lu",snd_awnd, "\n");
p("%u", retran_data, ", ");
p("%u", snd_last, "\n");
p("%u", irs, "\n");
p("%u", rcv_nxt, ", ");
p("%u", rcv_up, ", ");
p("%lu", rcv_wnd, "\n");
p("%u", rcv_lastsack, "\n");
p("%d", rcv_numsacks, "\n");
p("%u", rcv_adv, ", ");
p("%u", snd_max, "\n");
p("%lu", snd_cwnd, ", ");
p("%lu", snd_ssthresh, ", ");
p("%lu", max_sndwnd, "\n");
p("%u", t_rcvtime, ", ");
p("%u", t_rtttime, ", ");
p("%u", t_rtseq, "\n");
p("%u", t_srtt, ", ");
p("%u", t_rttvar, ", ");
p("%u", t_rttmin, "\n");
p("%u", t_oobflags, ", ");
p("%u", t_iobc, "\n");
p("%u", t_softerror, "\n");
p("%u", snd_scale, ", ");
p("%u", rcv_scale, ", ");
p("%u", request_r_scale, ", ");
p("%u", requested_s_scale, "\n");
p("%u", ts_recent, ", ");
p("%u", ts_recent_age, "\n");
p("%u", last_ack_sent, "\n");
HTONS(tcpcb.t_pmtud_ip_len);
HTONS(tcpcb.t_pmtud_nextmtu);
p("%u", t_pmtud_mss_acked, ", ");
p("%u", t_pmtud_mtu_sent, "\n");
p("%u", t_pmtud_nextmtu, ", ");
p("%u", t_pmtud_ip_len, ", ");
p("%u", t_pmtud_ip_hl, "\n");
p("%u", t_pmtud_th_seq, "\n");
p("%u", pf, "\n");
#undef p
}