#include <sys/param.h>
#include <sys/queue.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/sysctl.h>
#include <sys/protosw.h>
#include <sys/time.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_carp.h>
#ifdef INET6
#include <netinet/ip6.h>
#endif
#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 <arpa/inet.h>
#include <err.h>
#include <errno.h>
#include <libutil.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "netstat.h"
char *inetname (struct in_addr *);
void inetprint (struct in_addr *, int, const char *, int);
#ifdef INET6
extern void inet6print (struct in6_addr *, int, const char *, int);
static int udp_done, tcp_done;
#endif
static int ppr_first = 1;
static void outputpcb(int proto, const char *name, struct inpcb *inp, struct xsocket *so, struct tcpcb *tp);
void
protopr(u_long proto, const char *name, int af1 __unused)
{
int istcp;
void *buf;
const char *mibvar;
size_t i, len;
istcp = 0;
switch (proto) {
case IPPROTO_TCP:
#ifdef INET6
if (tcp_done != 0)
return;
else
tcp_done = 1;
#endif
istcp = 1;
mibvar = "net.inet.tcp.pcblist";
break;
case IPPROTO_UDP:
#ifdef INET6
if (udp_done != 0)
return;
else
udp_done = 1;
#endif
mibvar = "net.inet.udp.pcblist";
break;
case IPPROTO_DIVERT:
mibvar = "net.inet.divert.pcblist";
break;
default:
mibvar = "net.inet.raw.pcblist";
break;
}
len = 0;
if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
if (errno != ENOENT)
warn("sysctl: %s", mibvar);
return;
}
if (len == 0)
return;
if ((buf = malloc(len)) == NULL) {
warn("malloc %lu bytes", (u_long)len);
return;
}
if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
warn("sysctl: %s", mibvar);
free(buf);
return;
}
if (istcp) {
struct xtcpcb *tcp = buf;
len /= sizeof(*tcp);
for (i = 0; i < len; i++) {
if (tcp[i].xt_len != sizeof(*tcp))
break;
outputpcb(proto, name, &tcp[i].xt_inp,
&tcp[i].xt_socket, &tcp[i].xt_tp);
}
} else {
struct xinpcb *in = buf;
len /= sizeof(*in);
for (i = 0; i < len; i++) {
if (in[i].xi_len != sizeof(*in))
break;
outputpcb(proto, name, &in[i].xi_inp,
&in[i].xi_socket, NULL);
}
}
free(buf);
}
static void
outputpcb(int proto, const char *name, struct inpcb *inp, struct xsocket *so, struct tcpcb *tp)
{
const char *vchar;
static struct clockinfo clockinfo;
if (clockinfo.hz == 0) {
size_t size = sizeof(clockinfo);
sysctlbyname("kern.clockrate", &clockinfo, &size, NULL, 0);
if (clockinfo.hz == 0)
clockinfo.hz = 100;
}
if (so->xso_protocol != (int)proto)
return;
if ((af == AF_INET && !INP_ISIPV4(inp))
#ifdef INET6
|| (af == AF_INET6 && !INP_ISIPV6(inp))
#endif
|| (af == AF_UNSPEC && (!INP_ISIPV4(inp)
#ifdef INET6
&& !INP_ISIPV6(inp)
#endif
))
) {
return;
}
if (!aflag && (
(proto == IPPROTO_TCP && tp->t_state == TCPS_LISTEN) ||
(af == AF_INET && inet_lnaof(inp->inp_laddr) == INADDR_ANY)
#ifdef INET6
|| (af == AF_INET6 && IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
#endif
|| (af == AF_UNSPEC && ((INP_ISIPV4(inp) &&
inet_lnaof(inp->inp_laddr) == INADDR_ANY)
#ifdef INET6
|| (INP_ISIPV6(inp) &&
IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
#endif
))
)) {
return;
}
if (ppr_first) {
if (!Lflag) {
printf("Active Internet connections");
if (aflag)
printf(" (including servers)");
} else {
printf("Current listen queue sizes "
"(qlen/incqlen/maxqlen)");
}
putchar('\n');
if (Aflag)
printf("%-8.8s ", "Socket");
if (Pflag)
printf("%8.8s %8.8s %8.8s ", "TxWin", "Unacked", "RTT/ms");
if (Lflag) {
printf("%-5.5s %-14.14s %-22.22s\n",
"Proto", "Listen", "Local Address");
} else {
printf((Aflag && !Wflag) ?
"%-5.5s %-6.6s %-6.6s %-17.17s %-17.17s %s\n" :
"%-5.5s %-6.6s %-6.6s %-21.21s %-21.21s %s\n",
"Proto", "Recv-Q", "Send-Q",
"Local Address", "Foreign Address",
"(state)");
}
ppr_first = 0;
}
if (Lflag && so->so_qlimit == 0)
return;
if (Aflag) {
if (tp)
printf("%8lx ", (u_long)inp->inp_ppcb);
else
printf("%8lx ", (u_long)so->so_pcb);
}
if (Pflag) {
if (tp) {
int window = MIN(tp->snd_cwnd, tp->snd_bwnd);
if (window == 1073725440)
printf("%8s ", "max");
else
printf("%8d ", (int)MIN(tp->snd_cwnd, tp->snd_bwnd));
printf("%8d ", (int)(tp->snd_max - tp->snd_una));
if (tp->t_srtt == 0)
printf("%8s ", "-");
else
printf("%8.3f ", (double)tp->t_srtt * 1000.0 / TCP_RTT_SCALE / clockinfo.hz);
} else {
printf("%8s %8s %8s ", "-", "-", "-");
}
}
#ifdef INET6
if (INP_ISIPV6(inp))
vchar = "6 ";
else
#endif
vchar = INP_ISIPV4(inp) ? "4 " : " ";
printf("%-3.3s%-2.2s ", name, vchar);
if (Lflag) {
char buf[15];
snprintf(buf, sizeof(buf), "%hd/%hd/%hd", so->so_qlen,
so->so_incqlen, so->so_qlimit);
printf("%-13.13s ", buf);
} else if (Bflag) {
printf("%6ld %6ld ",
so->so_rcv.sb_hiwat,
so->so_snd.sb_hiwat);
} else {
printf("%6ld %6ld ",
so->so_rcv.sb_cc,
so->so_snd.sb_cc);
}
if (numeric_port) {
if (INP_ISIPV4(inp)) {
inetprint(&inp->inp_laddr, (int)inp->inp_lport,
name, 1);
if (!Lflag)
inetprint(&inp->inp_faddr,
(int)inp->inp_fport, name, 1);
}
#ifdef INET6
else if (INP_ISIPV6(inp)) {
inet6print(&inp->in6p_laddr,
(int)inp->inp_lport, name, 1);
if (!Lflag)
inet6print(&inp->in6p_faddr,
(int)inp->inp_fport, name, 1);
}
#endif
} else if (inp->inp_flags & INP_ANONPORT) {
if (INP_ISIPV4(inp)) {
inetprint(&inp->inp_laddr, (int)inp->inp_lport,
name, 1);
if (!Lflag)
inetprint(&inp->inp_faddr,
(int)inp->inp_fport, name, 0);
}
#ifdef INET6
else if (INP_ISIPV6(inp)) {
inet6print(&inp->in6p_laddr,
(int)inp->inp_lport, name, 1);
if (!Lflag)
inet6print(&inp->in6p_faddr,
(int)inp->inp_fport, name, 0);
}
#endif
} else {
if (INP_ISIPV4(inp)) {
inetprint(&inp->inp_laddr, (int)inp->inp_lport,
name, 0);
if (!Lflag)
inetprint(&inp->inp_faddr,
(int)inp->inp_fport, name,
inp->inp_lport !=
inp->inp_fport);
}
#ifdef INET6
else if (INP_ISIPV6(inp)) {
inet6print(&inp->in6p_laddr,
(int)inp->inp_lport, name, 0);
if (!Lflag)
inet6print(&inp->in6p_faddr,
(int)inp->inp_fport, name,
inp->inp_lport !=
inp->inp_fport);
}
#endif
}
if (tp && !Lflag) {
if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES)
printf("%d", tp->t_state);
else {
printf("%s", tcpstates[tp->t_state]);
#if defined(TF_NEEDSYN) && defined(TF_NEEDFIN)
if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN))
putchar('*');
#endif
}
}
putchar('\n');
}
#define CPU_STATS_FUNC(proto,type) \
static void \
proto ##_stats_agg(type *ary, type *ttl, int cpucnt) \
{ \
int i, off, siz; \
siz = sizeof(type); \
\
if (!ary && !ttl) \
return; \
\
bzero(ttl, siz); \
if (cpucnt == 1) { \
*ttl = ary[0]; \
} else { \
for (i = 0; i < cpucnt; ++i) { \
for (off = 0; off < siz; off += sizeof(u_long)) { \
*(u_long *)((char *)(*(&ttl)) + off) += \
*(u_long *)((char *)&ary[i] + off); \
} \
} \
} \
}
CPU_STATS_FUNC(tcp, struct tcp_stats);
CPU_STATS_FUNC(ip, struct ip_stats);
CPU_STATS_FUNC(udp, struct udpstat);
void
tcp_stats(u_long off __unused, const char *name, int af1 __unused)
{
u_long state_count[TCP_NSTATES];
struct tcp_stats tcpstat, *stattmp;
struct tcp_stats zerostat[SMP_MAXCPU];
size_t len = sizeof(struct tcp_stats) * SMP_MAXCPU;
int cpucnt;
if (zflag)
memset(zerostat, 0, len);
if ((stattmp = malloc(len)) == NULL) {
return;
} else {
if (sysctlbyname("net.inet.tcp.stats", stattmp, &len,
zflag ? zerostat : NULL, zflag ? len : 0) < 0) {
warn("sysctl: net.inet.tcp.stats");
free(stattmp);
return;
} else {
if ((stattmp = realloc(stattmp, len)) == NULL) {
warn("tcp_stats");
return;
}
}
}
cpucnt = len / sizeof(struct tcp_stats);
tcp_stats_agg(stattmp, &tcpstat, cpucnt);
#ifdef INET6
if (tcp_done != 0)
return;
else
tcp_done = 1;
#endif
printf ("%s:\n", name);
#define p(f, m) if (tcpstat.f || sflag <= 1) \
printf(m, tcpstat.f, plural(tcpstat.f))
#define p1a(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%lu packet%s sent\n");
p2(tcps_sndpack,tcps_sndbyte,
"\t\t%lu data packet%s (%lu byte%s)\n");
p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
"\t\t%lu data packet%s (%lu byte%s) retransmitted\n");
p2(tcps_sndsackrtopack, tcps_sndsackrtobyte,
"\t\t%lu data packet%s (%lu byte%s) retransmitted by SACK\n");
p2(tcps_sndsackpack, tcps_sndsackbyte,
"\t\t%lu data packet%s (%lu byte%s) sent by SACK recovery\n");
p2(tcps_sackrescue, tcps_sackrescue_try,
"\t\t%lu SACK rescue packet%s sent (of %lu attempt%s)\n");
p2a(tcps_sndfastrexmit, tcps_sndearlyrexmit,
"\t\t%lu Fast Retransmit%s (%lu early)\n");
p(tcps_sndlimited, "\t\t%lu packet%s sent by Limited Transmit\n");
p2(tcps_sndrtobad, tcps_eifelresponse,
"\t\t%lu spurious RTO retransmit%s (%lu Eifel-response%s)\n");
p2a(tcps_sndfastrexmitbad, tcps_sndearlyrexmitbad,
"\t\t%lu spurious Fast Retransmit%s (%lu early)\n");
p2a(tcps_eifeldetected, tcps_rttcantdetect,
"\t\t%lu Eifel-detected spurious retransmit%s (%lu non-RTT)\n");
p(tcps_rttdetected, "\t\t%lu RTT-detected spurious retransmit%s\n");
p(tcps_mturesent, "\t\t%lu resend%s initiated by MTU discovery\n");
p(tcps_sndsackopt, "\t\t%lu SACK option%s sent\n");
p(tcps_snddsackopt, "\t\t%lu D-SACK option%s sent\n");
p2a(tcps_sndacks, tcps_delack,
"\t\t%lu ack-only packet%s (%lu delayed)\n");
p(tcps_sndurg, "\t\t%lu URG only packet%s\n");
p(tcps_sndprobe, "\t\t%lu window probe packet%s\n");
p(tcps_sndwinup, "\t\t%lu window update packet%s\n");
p(tcps_sndctrl, "\t\t%lu control packet%s\n");
p(tcps_rcvtotal, "\t%lu packet%s received\n");
p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%lu ack%s (for %lu byte%s)\n");
p(tcps_rcvdupack, "\t\t%lu duplicate ack%s\n");
p(tcps_rcvacktoomuch, "\t\t%lu ack%s for unsent data\n");
p2(tcps_rcvpack, tcps_rcvbyte,
"\t\t%lu packet%s (%lu byte%s) received in-sequence\n");
p2(tcps_rcvduppack, tcps_rcvdupbyte,
"\t\t%lu completely duplicate packet%s (%lu byte%s)\n");
p2(tcps_pawsdrop, tcps_pawsaccept,
"\t\t%lu old duplicate packet%s (%lu packet%s accepted)\n");
p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
"\t\t%lu packet%s with some dup. data (%lu byte%s duped)\n");
p2(tcps_rcvoopack, tcps_rcvoobyte,
"\t\t%lu out-of-order packet%s (%lu byte%s)\n");
p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
"\t\t%lu packet%s (%lu byte%s) of data after window\n");
p(tcps_rcvwinprobe, "\t\t%lu window probe%s\n");
p(tcps_rcvwinupd, "\t\t%lu window update packet%s\n");
p(tcps_rcvafterclose, "\t\t%lu packet%s received after close\n");
p(tcps_rcvbadsum, "\t\t%lu discarded for bad checksum%s\n");
p(tcps_rcvbadoff, "\t\t%lu discarded for bad header offset field%s\n");
p1a(tcps_rcvshort, "\t\t%lu discarded because packet too short\n");
p(tcps_rcvbadsackopt, "\t\t%lu bad SACK option%s\n");
p1a(tcps_sackrenege, "\t\t%lu other side reneged\n");
p(tcps_connattempt, "\t%lu connection request%s\n");
p(tcps_accepts, "\t%lu connection accept%s\n");
p(tcps_badsyn, "\t%lu bad connection attempt%s\n");
p(tcps_listendrop, "\t%lu listen queue overflow%s\n");
p(tcps_connects, "\t%lu connection%s established (including accepts)\n");
p2(tcps_closed, tcps_drops,
"\t%lu connection%s closed (including %lu drop%s)\n");
p(tcps_cachedrtt, "\t\t%lu connection%s updated cached RTT on close\n");
p(tcps_cachedrttvar,
"\t\t%lu connection%s updated cached RTT variance on close\n");
p(tcps_cachedssthresh,
"\t\t%lu connection%s updated cached ssthresh on close\n");
p(tcps_conndrops, "\t%lu embryonic connection%s dropped\n");
p2(tcps_rttupdated, tcps_segstimed,
"\t%lu segment%s updated rtt (of %lu attempt%s)\n");
p(tcps_rexmttimeo, "\t%lu retransmit timeout%s\n");
p(tcps_timeoutdrop, "\t\t%lu connection%s dropped by rexmit timeout\n");
p(tcps_persisttimeo, "\t%lu persist timeout%s\n");
p(tcps_persistdrop, "\t\t%lu connection%s dropped by persist timeout\n");
p(tcps_keeptimeo, "\t%lu keepalive timeout%s\n");
p(tcps_keepprobe, "\t\t%lu keepalive probe%s sent\n");
p(tcps_keepdrops, "\t\t%lu connection%s dropped by keepalive\n");
p(tcps_predack, "\t%lu correct ACK header prediction%s\n");
p(tcps_preddat, "\t%lu correct data packet header prediction%s\n");
p(tcps_sndidle, "\t%lu send idle%s\n");
p1a(tcps_sc_added, "\t%lu syncache entries added\n");
p1a(tcps_sc_retransmitted, "\t\t%lu retransmitted\n");
p1a(tcps_sc_dupsyn, "\t\t%lu dupsyn\n");
p1a(tcps_sc_dropped, "\t\t%lu dropped\n");
p1a(tcps_sc_completed, "\t\t%lu completed\n");
p1a(tcps_sc_bucketoverflow, "\t\t%lu bucket overflow\n");
p1a(tcps_sc_cacheoverflow, "\t\t%lu cache overflow\n");
p1a(tcps_sc_reset, "\t\t%lu reset\n");
p1a(tcps_sc_stale, "\t\t%lu stale\n");
p1a(tcps_sc_aborted, "\t\t%lu aborted\n");
p1a(tcps_sc_badack, "\t\t%lu badack\n");
p1a(tcps_sc_unreach, "\t\t%lu unreach\n");
p1a(tcps_sc_zonefail, "\t\t%lu zone failures\n");
p1a(tcps_sc_sendcookie, "\t\t%lu cookies sent\n");
p1a(tcps_sc_recvcookie, "\t\t%lu cookies received\n");
p(tcps_sacksbupdate, "\t%lu SACK scoreboard update%s\n");
p(tcps_sacksboverflow, "\t\t%lu overflow%s\n");
p(tcps_sacksbfailed, "\t\t%lu failure%s\n");
p(tcps_sacksbreused, "\t\t%lu record%s reused\n");
p(tcps_sacksbfast, "\t\t%lu record%s fast allocated\n");
free(stattmp);
#undef p
#undef p1a
#undef p2
#undef p2a
#undef p3
len = sizeof(state_count);
if (sysctlbyname("net.inet.tcp.state_count", state_count, &len, NULL, 0) == 0) {
int s;
for (s = TCPS_TERMINATING + 1; s < TCP_NSTATES; ++s) {
printf("\t%lu connection%s in %s state\n", state_count[s],
state_count[s] == 1 ? "" : "s", tcpstates[s]);
}
}
}
void
udp_stats(u_long off __unused, const char *name, int af1 __unused)
{
struct udpstat udpstat, *stattmp;
struct udpstat zerostat[SMP_MAXCPU];
size_t len = sizeof(struct udpstat) * SMP_MAXCPU;
int cpucnt;
u_long delivered;
if (zflag)
memset(&zerostat, 0, len);
if ((stattmp = malloc(len)) == NULL) {
return;
} else {
if (sysctlbyname("net.inet.udp.stats", stattmp, &len,
zflag ? zerostat : NULL, zflag ? len : 0) < 0) {
warn("sysctl: net.inet.udp.stats");
free(stattmp);
return;
} else {
if ((stattmp = realloc(stattmp, len)) == NULL) {
warn("udp_stats");
return;
}
}
}
cpucnt = len / sizeof(struct udpstat);
udp_stats_agg(stattmp, &udpstat, cpucnt);
#ifdef INET6
if (udp_done != 0)
return;
else
udp_done = 1;
#endif
printf("%s:\n", name);
#define p(f, m) if (udpstat.f || sflag <= 1) \
printf(m, udpstat.f, plural(udpstat.f))
#define p1a(f, m) if (udpstat.f || sflag <= 1) \
printf(m, udpstat.f)
p(udps_ipackets, "\t%lu datagram%s received\n");
p1a(udps_hdrops, "\t%lu with incomplete header\n");
p1a(udps_badlen, "\t%lu with bad data length field\n");
p1a(udps_badsum, "\t%lu with bad checksum\n");
p1a(udps_nosum, "\t%lu with no checksum\n");
p1a(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");
p1a(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
p1a(udpps_pcbhashmiss, "\t%lu not for hashed pcb\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");
#undef p
#undef p1a
}
void
carp_stats(u_long off __unused, const char *name, int af1 __unused)
{
struct carpstats carpstat, zerostat;
size_t len = sizeof(struct carpstats);
if (zflag)
memset(&zerostat, 0, len);
if (sysctlbyname("net.inet.carp.stats", &carpstat, &len,
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
warn("sysctl: net.inet.carp.stats");
return;
}
printf("%s:\n", name);
#define p(f, m) if (carpstat.f || sflag <= 1) \
printf(m, (uintmax_t)carpstat.f, plural((int)carpstat.f))
#define p2(f, m) if (carpstat.f || sflag <= 1) \
printf(m, (uintmax_t)carpstat.f)
p(carps_ipackets, "\t%ju packet%s received (IPv4)\n");
p(carps_ipackets6, "\t%ju packet%s received (IPv6)\n");
p(carps_badttl, "\t\t%ju packet%s discarded for wrong TTL\n");
p(carps_hdrops, "\t\t%ju packet%s shorter than header\n");
p(carps_badsum, "\t\t%ju discarded for bad checksum%s\n");
p(carps_badver, "\t\t%ju discarded packet%s with a bad version\n");
p2(carps_badlen, "\t\t%ju discarded because packet too short\n");
p2(carps_badauth, "\t\t%ju discarded for bad authentication\n");
p2(carps_badvhid, "\t\t%ju discarded for bad vhid\n");
p2(carps_badaddrs, "\t\t%ju discarded because of a bad address list\n");
p(carps_opackets, "\t%ju packet%s sent (IPv4)\n");
p(carps_opackets6, "\t%ju packet%s sent (IPv6)\n");
p2(carps_onomem, "\t\t%ju send failed due to mbuf memory error\n");
#if 0
p(carps_ostates, "\t\t%s state update%s sent\n");
#endif
#undef p
#undef p2
}
void
ip_stats(u_long off __unused, const char *name, int af1 __unused)
{
struct ip_stats ipstat, *stattmp;
struct ip_stats zerostat[SMP_MAXCPU];
size_t len = sizeof(struct ip_stats) * SMP_MAXCPU;
int cpucnt;
if (zflag)
memset(zerostat, 0, len);
if ((stattmp = malloc(len)) == NULL) {
return;
} else {
if (sysctlbyname("net.inet.ip.stats", stattmp, &len,
zflag ? zerostat : NULL, zflag ? len : 0) < 0) {
warn("sysctl: net.inet.ip.stats");
free(stattmp);
return;
} else {
if ((stattmp = realloc(stattmp, len)) == NULL) {
warn("ip_stats");
return;
}
}
}
cpucnt = len / sizeof(struct ip_stats);
ip_stats_agg(stattmp, &ipstat, cpucnt);
printf("%s:\n", name);
#define p(f, m) if (ipstat.f || sflag <= 1) \
printf(m, ipstat.f, plural(ipstat.f))
#define p1a(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");
p1a(ips_toosmall, "\t%lu with size smaller than minimum\n");
p1a(ips_tooshort, "\t%lu with data size < data length\n");
p1a(ips_toolong, "\t%lu with ip length > max ip packet size\n");
p1a(ips_badhlen, "\t%lu with header length < data size\n");
p1a(ips_badlen, "\t%lu with data length < header length\n");
p1a(ips_badoptions, "\t%lu with bad options\n");
p1a(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 (dup or out of space)\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");
p(ips_fastforward, " (%lu packet%s fast forwarded)");
if (ipstat.ips_forward || sflag <= 1)
putchar('\n');
p(ips_cantforward, "\t%lu packet%s not forwardable\n");
p(ips_notmember,
"\t%lu packet%s received for unknown multicast group\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");
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");
free(stattmp);
#undef p
#undef p1a
}
static const char *icmpnames[] = {
"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",
};
void
icmp_stats(u_long off __unused, const char *name, int af1 __unused)
{
struct icmpstat icmpstat, zerostat;
int i, first;
int mib[4];
size_t len;
mib[0] = CTL_NET;
mib[1] = PF_INET;
mib[2] = IPPROTO_ICMP;
mib[3] = ICMPCTL_STATS;
len = sizeof icmpstat;
if (zflag)
memset(&zerostat, 0, len);
if (sysctl(mib, 4, &icmpstat, &len,
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
warn("sysctl: net.inet.icmp.stats");
return;
}
printf("%s:\n", name);
#define p(f, m) if (icmpstat.f || sflag <= 1) \
printf(m, icmpstat.f, plural(icmpstat.f))
#define p1a(f, m) if (icmpstat.f || sflag <= 1) \
printf(m, icmpstat.f)
#define p2(f, m) if (icmpstat.f || sflag <= 1) \
printf(m, icmpstat.f, plurales(icmpstat.f))
p(icps_error, "\t%lu call%s to icmp_error\n");
p(icps_oldicmp,
"\t%lu error%s not generated 'cuz 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 histogram:\n");
first = 0;
}
printf("\t\t%s: %lu\n", icmpnames[i],
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");
p1a(icps_bmcastecho, "\t%lu multicast echo requests ignored\n");
p1a(icps_bmcasttstamp, "\t%lu multicast timestamp requests ignored\n");
for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
if (icmpstat.icps_inhist[i] != 0) {
if (first) {
printf("\tInput histogram:\n");
first = 0;
}
printf("\t\t%s: %lu\n", icmpnames[i],
icmpstat.icps_inhist[i]);
}
p(icps_reflect, "\t%lu message response%s generated\n");
p2(icps_badaddr, "\t%lu invalid return address%s\n");
p(icps_noroute, "\t%lu no return route%s\n");
#undef p
#undef p1a
#undef p2
mib[3] = ICMPCTL_MASKREPL;
len = sizeof i;
if (sysctl(mib, 4, &i, &len, NULL, 0) < 0)
return;
printf("\tICMP address mask responses are %sabled\n",
i ? "en" : "dis");
}
void
igmp_stats(u_long off __unused, const char *name, int af1 __unused)
{
struct igmpstat igmpstat, zerostat;
size_t len = sizeof igmpstat;
if (zflag)
memset(&zerostat, 0, len);
if (sysctlbyname("net.inet.igmp.stats", &igmpstat, &len,
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
warn("sysctl: net.inet.igmp.stats");
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%u message%s received\n");
p(igps_rcv_tooshort, "\t%u message%s received with too few bytes\n");
p(igps_rcv_badsum, "\t%u message%s received with bad checksum\n");
py(igps_rcv_queries, "\t%u membership quer%s received\n");
py(igps_rcv_badqueries, "\t%u membership quer%s received with invalid field(s)\n");
p(igps_rcv_reports, "\t%u membership report%s received\n");
p(igps_rcv_badreports, "\t%u membership report%s received with invalid field(s)\n");
p(igps_rcv_ourreports, "\t%u membership report%s received for groups to which we belong\n");
p(igps_snd_reports, "\t%u membership report%s sent\n");
#undef p
#undef py
}
void
pim_stats(u_long off __unused, const char *name, int af1 __unused)
{
struct pimstat pimstat, zerostat;
size_t len = sizeof pimstat;
if (zflag)
memset(&zerostat, 0, len);
if (sysctlbyname("net.inet.pim.stats", &pimstat, &len,
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
if (errno != ENOENT)
warn("sysctl: net.inet.pim.stats");
return;
}
printf("%s:\n", name);
#define p(f, m) if (pimstat.f || sflag <= 1) \
printf(m, (uintmax_t)pimstat.f, plural(pimstat.f))
#define py(f, m) if (pimstat.f || sflag <= 1) \
printf(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y")
p(pims_rcv_total_msgs, "\t%ju message%s received\n");
p(pims_rcv_total_bytes, "\t%ju byte%s received\n");
p(pims_rcv_tooshort, "\t%ju message%s received with too few bytes\n");
p(pims_rcv_badsum, "\t%ju message%s received with bad checksum\n");
p(pims_rcv_badversion, "\t%ju message%s received with bad version\n");
p(pims_rcv_registers_msgs, "\t%ju data register message%s received\n");
p(pims_rcv_registers_bytes, "\t%ju data register byte%s received\n");
p(pims_rcv_registers_wrongiif, "\t%ju data register message%s received on wrong iif\n");
p(pims_rcv_badregisters, "\t%ju bad register%s received\n");
p(pims_snd_registers_msgs, "\t%ju data register message%s sent\n");
p(pims_snd_registers_bytes, "\t%ju data register byte%s sent\n");
#undef p
#undef py
}
void
inetprint(struct in_addr *in, int port, const char *proto, int num_port)
{
struct servent *sp = NULL;
char line[80], *cp;
int width;
if (Wflag)
sprintf(line, "%s.", inetname(in));
else
sprintf(line, "%.*s.", (Aflag && !num_port) ? 12 : 16, inetname(in));
cp = strchr(line, '\0');
if (!num_port && port)
sp = getservbyport((int)port, proto);
if (sp || port == 0)
sprintf(cp, "%.15s ", sp ? sp->s_name : "*");
else
sprintf(cp, "%d ", ntohs((u_short)port));
width = (Aflag && !Wflag) ? 17 : 21;
if (Wflag)
printf("%-*s ", width, line);
else
printf("%-*.*s ", width, width, line);
}
char *
inetname(struct in_addr *inp)
{
char *cp;
static char line[MAXHOSTNAMELEN];
struct hostent *hp;
struct netent *np;
cp = NULL;
if (!numeric_addr && 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(inp, sizeof (*inp), AF_INET);
if (hp) {
cp = hp->h_name;
trimdomain(cp, strlen(cp));
}
}
}
if (inp->s_addr == INADDR_ANY)
strcpy(line, "*");
else if (cp) {
strncpy(line, cp, sizeof(line) - 1);
line[sizeof(line) - 1] = '\0';
} else {
inp->s_addr = ntohl(inp->s_addr);
#define C(x) ((u_int)((x) & 0xff))
sprintf(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);
}
