Ultrix-3.1/src/ucb/netstat/inet.c
/**********************************************************************
* Copyright (c) Digital Equipment Corporation 1984, 1985, 1986. *
* All Rights Reserved. *
* Reference "/usr/src/COPYRIGHT" for applicable restrictions. *
**********************************************************************/
/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#ifndef lint
/*
* Based on static char sccsid[] = "@(#)inet.c 5.1 (Berkeley) 6/4/85";
*/
static char *Sccsid = "@(#)inet.c 3.0 (ULTRIX-11) 4/22/86";
#endif not lint
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_pcb.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
#include <netinet/icmp_var.h>
#include <netinet/ip_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 <netdb.h>
struct inpcb inpcb;
struct tcpcb tcpcb;
struct socket sockb;
struct protosw proto;
extern int kmem;
extern int Aflag;
extern int aflag;
extern int nflag;
static int first = 1;
char *inetname();
/*
* 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.
*/
protopr(off, name)
#ifndef pdp11
off_t off;
#else pdp11
caddr_t off;
#endif pdp11
char *name;
{
struct inpcb cb;
register struct inpcb *prev, *next;
int istcp;
if (off == 0) {
printf("%s control block: symbol not in namelist\n", name);
return;
}
istcp = strcmp(name, "tcp") == 0;
klseek(kmem, off, 0);
read(kmem, &cb, sizeof (struct inpcb));
inpcb = cb;
prev = (struct inpcb *)off;
if (first) {
printf("Active connections");
if (aflag)
printf(" (including servers)");
putchar('\n');
if (Aflag)
printf("%-8.8s ", "PCB");
printf(Aflag ? "%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n" :
"%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
"Proto", "Recv-Q", "Send-Q",
"Local Address", "Foreign Address", "(state)");
first = 0;
}
while (inpcb.inp_next != (struct inpcb *)off) {
char *cp;
next = inpcb.inp_next;
#ifndef pdp11
klseek(kmem, (off_t)next, 0);
#else pdp11
klseek(kmem, (caddr_t)next, 0);
#endif pdp11
read(kmem, &inpcb, sizeof (inpcb));
if (inpcb.inp_prev != prev) {
printf("???\n");
break;
}
if (!aflag &&
inet_lnaof(inpcb.inp_laddr.s_addr) == INADDR_ANY) {
prev = next;
continue;
}
#ifndef pdp11
klseek(kmem, (off_t)inpcb.inp_socket, 0);
#else pdp11
klseek(kmem, (caddr_t)inpcb.inp_socket, 0);
#endif pdp11
read(kmem, &sockb, sizeof (sockb));
if (istcp) {
#ifndef pdp11
klseek(kmem, (off_t)inpcb.inp_ppcb, 0);
#else pdp11
klseek(kmem, (caddr_t)inpcb.inp_ppcb, 0);
#endif pdp11
read(kmem, &tcpcb, sizeof (tcpcb));
}
if (Aflag)
printf("%8x ", inpcb.inp_ppcb);
printf("%-5.5s %6d %6d ", name, sockb.so_rcv.sb_cc,
sockb.so_snd.sb_cc);
inetprint(&inpcb.inp_laddr, inpcb.inp_lport, name);
inetprint(&inpcb.inp_faddr, inpcb.inp_fport, name);
if (istcp) {
if (tcpcb.t_state < 0 || tcpcb.t_state >= TCP_NSTATES)
printf(" %d", tcpcb.t_state);
else
printf(" %s", tcpstates[tcpcb.t_state]);
}
putchar('\n');
prev = next;
}
}
/*
* Dump TCP statistics structure.
*/
tcp_stats(off, name)
#ifndef pdp11
off_t off;
#else pdp11
caddr_t off;
#endif pdp11
char *name;
{
struct tcpstat tcpstat;
if (off == 0) {
printf("%sstat: symbol not in namelist\n", name);
return;
}
klseek(kmem, off, 0);
read(kmem, (char *)&tcpstat, sizeof (tcpstat));
printf("%s:\n\t%d bad header checksum%s\n", name,
tcpstat.tcps_badsum, plural(tcpstat.tcps_badsum));
printf("\t%d bad header offset field%s\n",
tcpstat.tcps_badoff, plural(tcpstat.tcps_badoff));
printf("\t%d incomplete header%s\n",
tcpstat.tcps_hdrops, plural(tcpstat.tcps_hdrops));
#ifdef notdef
printf("\t%d bad segment%s\n",
tcpstat.tcps_badsegs, plural(tcpstat.badsegs));
printf("\t%d unacknowledged packet%s\n",
tcpstat.tcps_unack, plural(tcpstat.tcps_unack));
#endif
}
/*
* Dump UDP statistics structure.
*/
udp_stats(off, name)
#ifndef pdp11
off_t off;
#else pdp11
caddr_t off;
#endif pdp11
char *name;
{
struct udpstat udpstat;
if (off == 0) {
printf("%sstat: symbol not in namelist\n", name);
return;
}
klseek(kmem, off, 0);
read(kmem, (char *)&udpstat, sizeof (udpstat));
printf("%s:\n\t%d bad header checksum%s\n", name,
udpstat.udps_badsum, plural(udpstat.udps_badsum));
printf("\t%d incomplete header%s\n",
udpstat.udps_hdrops, plural(udpstat.udps_hdrops));
printf("\t%d bad data length field%s\n",
udpstat.udps_badlen, plural(udpstat.udps_badlen));
}
/*
* Dump IP statistics structure.
*/
ip_stats(off, name)
#ifndef pdp11
off_t off;
#else pdp11
caddr_t off;
#endif pdp11
char *name;
{
struct ipstat ipstat;
if (off == 0) {
printf("%sstat: symbol not in namelist\n", name);
return;
}
klseek(kmem, off, 0);
read(kmem, (char *)&ipstat, sizeof (ipstat));
printf("%s:\n\t%d bad header checksum%s\n", name,
ipstat.ips_badsum, plural(ipstat.ips_badsum));
printf("\t%d with size smaller than minimum\n", ipstat.ips_tooshort);
printf("\t%d with data size < data length\n", ipstat.ips_toosmall);
printf("\t%d with header length < data size\n", ipstat.ips_badhlen);
printf("\t%d with data length < header length\n", ipstat.ips_badlen);
}
static char *icmpnames[] = {
"echo reply",
"#1",
"#2",
"destination unreachable",
"source quench",
"routing redirect",
"#6",
"#7",
"echo",
"#9",
"#10",
"time exceeded",
"parameter problem",
"time stamp",
"time stamp reply",
"information request",
"information request reply"
};
/*
* Dump ICMP statistics.
*/
icmp_stats(off, name)
#ifndef pdp11
off_t off;
#else pdp11
caddr_t off;
#endif pdp11
char *name;
{
struct icmpstat icmpstat;
register int i, first;
if (off == 0) {
printf("%sstat: symbol not in namelist\n", name);
return;
}
klseek(kmem, off, 0);
read(kmem, (char *)&icmpstat, sizeof (icmpstat));
printf("%s:\n\t%d call%s to icmp_error\n", name,
icmpstat.icps_error, plural(icmpstat.icps_error));
printf("\t%d error%s not generated 'cuz old message too short\n",
icmpstat.icps_oldshort, plural(icmpstat.icps_oldshort));
printf("\t%d error%s not generated 'cuz old message was icmp\n",
icmpstat.icps_oldicmp, plural(icmpstat.icps_oldicmp));
for (first = 1, i = 0; i < ICMP_IREQREPLY + 1; i++)
if (icmpstat.icps_outhist[i] != 0) {
if (first) {
printf("\tOutput histogram:\n");
first = 0;
}
printf("\t\t%s: %d\n", icmpnames[i],
icmpstat.icps_outhist[i]);
}
printf("\t%d message%s with bad code fields\n",
icmpstat.icps_badcode, plural(icmpstat.icps_badcode));
printf("\t%d message%s < minimum length\n",
icmpstat.icps_tooshort, plural(icmpstat.icps_tooshort));
printf("\t%d bad checksum%s\n",
icmpstat.icps_checksum, plural(icmpstat.icps_checksum));
printf("\t%d message%s with bad length\n",
icmpstat.icps_badlen, plural(icmpstat.icps_badlen));
printf("\t%d message response%s generated\n",
icmpstat.icps_reflect, plural(icmpstat.icps_reflect));
for (first = 1, i = 0; i < ICMP_IREQREPLY + 1; i++)
if (icmpstat.icps_inhist[i] != 0) {
if (first) {
printf("\tInput histogram:\n");
first = 0;
}
printf("\t\t%s: %d\n", icmpnames[i],
icmpstat.icps_inhist[i]);
}
}
/*
* Pretty print an Internet address (net address + port).
* If the nflag was specified, use numbers instead of names.
*/
inetprint(in, port, proto)
register struct in_addr *in;
int port;
char *proto;
{
struct servent *sp = 0;
char line[80], *cp, *index();
int width;
sprintf(line, "%.*s.", Aflag ? 10 : 16, inetname(*in));
cp = index(line, '\0');
if (!nflag && port)
sp = getservbyport(port, proto);
if (sp || port == 0)
sprintf(cp, "%.8s", sp ? sp->s_name : "*");
else
sprintf(cp, "%d", ntohs((u_short)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(in)
struct in_addr in;
{
char *cp = 0;
static char line[50];
struct hostent *hp;
struct netent *np;
if (!nflag && in.s_addr != INADDR_ANY) {
int net = inet_netof(in);
int lna = inet_lnaof(in);
if (lna == INADDR_ANY) {
np = getnetbyaddr(net, AF_INET);
if (np)
cp = np->n_name;
}
if (cp == 0) {
hp = gethostbyaddr(&in, sizeof (in), AF_INET);
if (hp)
cp = hp->h_name;
}
}
if (in.s_addr == INADDR_ANY)
strcpy(line, "*");
else if (cp)
strcpy(line, cp);
else {
in.s_addr = ntohl(in.s_addr);
#define C(x) ((x) & 0xff)
sprintf(line, "%u.%u.%u.%u", C(in.s_addr >> 24),
C(in.s_addr >> 16), C(in.s_addr >> 8), C(in.s_addr));
}
return (line);
}