505 lines
13 KiB
C
505 lines
13 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)if.c 8.3 (Berkeley) 4/28/95";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/protosw.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/time.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_dl.h>
|
|
#include <net/if_types.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/in_var.h>
|
|
#define KERNEL 1
|
|
#include <netinet/if_ether.h>
|
|
#undef KERNEL
|
|
#include <netipx/ipx.h>
|
|
#include <netipx/ipx_if.h>
|
|
#ifdef NS
|
|
#include <netns/ns.h>
|
|
#include <netns/ns_if.h>
|
|
#endif
|
|
#ifdef ISO
|
|
#include <netiso/iso.h>
|
|
#include <netiso/iso_var.h>
|
|
#endif
|
|
#include <arpa/inet.h>
|
|
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "netstat.h"
|
|
|
|
#define YES 1
|
|
#define NO 0
|
|
|
|
static void sidewaysintpr __P((u_int, u_long));
|
|
static void catchalarm __P((int));
|
|
|
|
/*
|
|
* Print a description of the network interfaces.
|
|
*/
|
|
void
|
|
intpr(interval, ifnetaddr)
|
|
int interval;
|
|
u_long ifnetaddr;
|
|
{
|
|
struct ifnet ifnet;
|
|
struct ifnethead ifnethead;
|
|
union {
|
|
struct ifaddr ifa;
|
|
struct in_ifaddr in;
|
|
struct ipx_ifaddr ipx;
|
|
#ifdef NS
|
|
struct ns_ifaddr ns;
|
|
#endif
|
|
#ifdef ISO
|
|
struct iso_ifaddr iso;
|
|
#endif
|
|
} ifaddr;
|
|
u_long ifaddraddr;
|
|
u_long ifaddrfound;
|
|
u_long ifnetfound;
|
|
struct sockaddr *sa;
|
|
char name[32], tname[16];
|
|
|
|
if (ifnetaddr == 0) {
|
|
printf("ifnet: symbol not defined\n");
|
|
return;
|
|
}
|
|
if (interval) {
|
|
sidewaysintpr((unsigned)interval, ifnetaddr);
|
|
return;
|
|
}
|
|
if (kread(ifnetaddr, (char *)&ifnethead, sizeof ifnethead))
|
|
return;
|
|
ifnetaddr = (u_long)ifnethead.tqh_first;
|
|
if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet))
|
|
return;
|
|
|
|
printf("%-5.5s %-5.5s %-13.13s %-15.15s %8.8s %5.5s",
|
|
"Name", "Mtu", "Network", "Address", "Ipkts", "Ierrs");
|
|
if (bflag)
|
|
printf(" %10.10s","Ibytes");
|
|
printf(" %8.8s %5.5s", "Opkts", "Oerrs");
|
|
if (bflag)
|
|
printf(" %10.10s","Obytes");
|
|
printf(" %5s", "Coll");
|
|
if (tflag)
|
|
printf(" %s", "Time");
|
|
if (dflag)
|
|
printf(" %s", "Drop");
|
|
putchar('\n');
|
|
ifaddraddr = 0;
|
|
while (ifnetaddr || ifaddraddr) {
|
|
struct sockaddr_in *sin;
|
|
register char *cp;
|
|
int n, m;
|
|
|
|
if (ifaddraddr == 0) {
|
|
ifnetfound = ifnetaddr;
|
|
if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet) ||
|
|
kread((u_long)ifnet.if_name, tname, 16))
|
|
return;
|
|
tname[15] = '\0';
|
|
ifnetaddr = (u_long)ifnet.if_link.tqe_next;
|
|
snprintf(name, 32, "%s%d", tname, ifnet.if_unit);
|
|
if (interface != 0 && (strcmp(name, interface) != 0))
|
|
continue;
|
|
cp = index(name, '\0');
|
|
if ((ifnet.if_flags&IFF_UP) == 0)
|
|
*cp++ = '*';
|
|
*cp = '\0';
|
|
ifaddraddr = (u_long)ifnet.if_addrhead.tqh_first;
|
|
}
|
|
printf("%-5.5s %-5lu ", name, ifnet.if_mtu);
|
|
ifaddrfound = ifaddraddr;
|
|
if (ifaddraddr == 0) {
|
|
printf("%-13.13s ", "none");
|
|
printf("%-15.15s ", "none");
|
|
} else {
|
|
if (kread(ifaddraddr, (char *)&ifaddr, sizeof ifaddr)) {
|
|
ifaddraddr = 0;
|
|
continue;
|
|
}
|
|
#define CP(x) ((char *)(x))
|
|
cp = (CP(ifaddr.ifa.ifa_addr) - CP(ifaddraddr)) +
|
|
CP(&ifaddr); sa = (struct sockaddr *)cp;
|
|
switch (sa->sa_family) {
|
|
case AF_UNSPEC:
|
|
printf("%-13.13s ", "none");
|
|
printf("%-15.15s ", "none");
|
|
break;
|
|
case AF_INET:
|
|
sin = (struct sockaddr_in *)sa;
|
|
#ifdef notdef
|
|
/* can't use inet_makeaddr because kernel
|
|
* keeps nets unshifted.
|
|
*/
|
|
in = inet_makeaddr(ifaddr.in.ia_subnet,
|
|
INADDR_ANY);
|
|
printf("%-13.13s ", netname(in.s_addr,
|
|
ifaddr.in.ia_subnetmask));
|
|
#else
|
|
printf("%-13.13s ",
|
|
netname(htonl(ifaddr.in.ia_subnet),
|
|
ifaddr.in.ia_subnetmask));
|
|
#endif
|
|
printf("%-15.15s ",
|
|
routename(sin->sin_addr.s_addr));
|
|
break;
|
|
case AF_IPX:
|
|
{
|
|
struct sockaddr_ipx *sipx =
|
|
(struct sockaddr_ipx *)sa;
|
|
u_long net;
|
|
char netnum[10];
|
|
|
|
*(union ipx_net *) &net = sipx->sipx_addr.x_net;
|
|
sprintf(netnum, "%lx", ntohl(net));
|
|
printf("ipx:%-8s ", netnum);
|
|
/* printf("ipx:%-8s ", netname(net, 0L)); */
|
|
printf("%-15s ",
|
|
ipx_phost((struct sockaddr *)sipx));
|
|
}
|
|
break;
|
|
|
|
case AF_APPLETALK:
|
|
printf("atalk:%-12.12s ",atalk_print(sa,0x10) );
|
|
printf("%-9.9s ",atalk_print(sa,0x0b) );
|
|
break;
|
|
#ifdef NS
|
|
case AF_NS:
|
|
{
|
|
struct sockaddr_ns *sns =
|
|
(struct sockaddr_ns *)sa;
|
|
u_long net;
|
|
char netnum[10];
|
|
|
|
*(union ns_net *) &net = sns->sns_addr.x_net;
|
|
sprintf(netnum, "%lxH", ntohl(net));
|
|
upHex(netnum);
|
|
printf("ns:%-8s ", netnum);
|
|
printf("%-15s ",
|
|
ns_phost((struct sockaddr *)sns));
|
|
}
|
|
break;
|
|
#endif
|
|
case AF_LINK:
|
|
{
|
|
struct sockaddr_dl *sdl =
|
|
(struct sockaddr_dl *)sa;
|
|
cp = (char *)LLADDR(sdl);
|
|
n = sdl->sdl_alen;
|
|
}
|
|
m = printf("%-11.11s ", "<Link>");
|
|
goto hexprint;
|
|
default:
|
|
m = printf("(%d)", sa->sa_family);
|
|
for (cp = sa->sa_len + (char *)sa;
|
|
--cp > sa->sa_data && (*cp == 0);) {}
|
|
n = cp - sa->sa_data + 1;
|
|
cp = sa->sa_data;
|
|
hexprint:
|
|
while (--n >= 0)
|
|
m += printf("%02x%c", *cp++ & 0xff,
|
|
n > 0 ? '.' : ' ');
|
|
m = 30 - m;
|
|
while (m-- > 0)
|
|
putchar(' ');
|
|
break;
|
|
}
|
|
ifaddraddr = (u_long)ifaddr.ifa.ifa_link.tqe_next;
|
|
}
|
|
printf("%8lu %5lu ",
|
|
ifnet.if_ipackets, ifnet.if_ierrors);
|
|
if (bflag)
|
|
printf("%10lu ", ifnet.if_ibytes);
|
|
printf("%8lu %5lu ",
|
|
ifnet.if_opackets, ifnet.if_oerrors);
|
|
if (bflag)
|
|
printf("%10lu ", ifnet.if_obytes);
|
|
printf("%5lu", ifnet.if_collisions);
|
|
if (tflag)
|
|
printf(" %3d", ifnet.if_timer);
|
|
if (dflag)
|
|
printf(" %3d", ifnet.if_snd.ifq_drops);
|
|
putchar('\n');
|
|
if (aflag && ifaddrfound) {
|
|
/*
|
|
* Print family's multicast addresses
|
|
*/
|
|
switch (sa->sa_family) {
|
|
case AF_INET:
|
|
{
|
|
u_long multiaddr;
|
|
struct in_multi inm;
|
|
|
|
multiaddr = (u_long)ifaddr.in.ia_multiaddrs.lh_first;
|
|
while (multiaddr != 0) {
|
|
kread(multiaddr, (char *)&inm,
|
|
sizeof inm);
|
|
multiaddr = (u_long)inm.inm_entry.le_next;
|
|
printf("%23s %s\n", "",
|
|
routename(inm.inm_addr.s_addr));
|
|
}
|
|
break;
|
|
}
|
|
case AF_LINK:
|
|
switch (ifnet.if_type) {
|
|
case IFT_ETHER:
|
|
case IFT_FDDI: /*XXX*/
|
|
{
|
|
off_t multiaddr;
|
|
struct arpcom ac;
|
|
struct ether_multi enm;
|
|
|
|
kread(ifnetfound, (char *)&ac, sizeof ac);
|
|
multiaddr = (u_long)ac.ac_multiaddrs;
|
|
while (multiaddr != 0) {
|
|
kread(multiaddr, (char *)&enm,
|
|
sizeof enm);
|
|
multiaddr = (u_long)enm.enm_next;
|
|
printf("%23s %s", "",
|
|
ether_ntoa(&enm.enm_addrlo));
|
|
if (bcmp(&enm.enm_addrlo,
|
|
&enm.enm_addrhi, 6) != 0)
|
|
printf(" to %s",
|
|
ether_ntoa(&enm.enm_addrhi));
|
|
printf("\n");
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#define MAXIF 10
|
|
struct iftot {
|
|
char ift_name[16]; /* interface name */
|
|
u_int ift_ip; /* input packets */
|
|
u_int ift_ie; /* input errors */
|
|
u_int ift_op; /* output packets */
|
|
u_int ift_oe; /* output errors */
|
|
u_int ift_co; /* collisions */
|
|
u_int ift_dr; /* drops */
|
|
u_int ift_ib; /* input bytes */
|
|
u_int ift_ob; /* output bytes */
|
|
} iftot[MAXIF];
|
|
|
|
u_char signalled; /* set if alarm goes off "early" */
|
|
|
|
/*
|
|
* Print a running summary of interface statistics.
|
|
* Repeat display every interval seconds, showing statistics
|
|
* collected over that interval. Assumes that interval is non-zero.
|
|
* First line printed at top of screen is always cumulative.
|
|
* XXX - should be rewritten to use ifmib(4).
|
|
*/
|
|
static void
|
|
sidewaysintpr(interval, off)
|
|
unsigned interval;
|
|
u_long off;
|
|
{
|
|
struct ifnet ifnet;
|
|
u_long firstifnet;
|
|
struct ifnethead ifnethead;
|
|
register struct iftot *ip, *total;
|
|
register int line;
|
|
struct iftot *lastif, *sum, *interesting;
|
|
int oldmask, first;
|
|
u_long interesting_off;
|
|
|
|
if (kread(off, (char *)&ifnethead, sizeof ifnethead))
|
|
return;
|
|
firstifnet = (u_long)ifnethead.tqh_first;
|
|
|
|
lastif = iftot;
|
|
sum = iftot + MAXIF - 1;
|
|
total = sum - 1;
|
|
interesting = NULL;
|
|
interesting_off = 0;
|
|
for (off = firstifnet, ip = iftot; off;) {
|
|
char name[16], tname[16];
|
|
|
|
if (kread(off, (char *)&ifnet, sizeof ifnet))
|
|
break;
|
|
if (kread((u_long)ifnet.if_name, tname, 16))
|
|
break;
|
|
tname[15] = '\0';
|
|
snprintf(name, 16, "%s%d", tname, ifnet.if_unit);
|
|
if (interface && strcmp(name, interface) == 0) {
|
|
interesting = ip;
|
|
interesting_off = off;
|
|
}
|
|
snprintf(ip->ift_name, 16, "(%s)", name);;
|
|
ip++;
|
|
if (ip >= iftot + MAXIF - 2)
|
|
break;
|
|
off = (u_long) ifnet.if_link.tqe_next;
|
|
}
|
|
lastif = ip;
|
|
|
|
(void)signal(SIGALRM, catchalarm);
|
|
signalled = NO;
|
|
(void)alarm(interval);
|
|
for (ip = iftot; ip < iftot + MAXIF; ip++) {
|
|
ip->ift_ip = 0;
|
|
ip->ift_ie = 0;
|
|
ip->ift_ib = 0;
|
|
ip->ift_op = 0;
|
|
ip->ift_oe = 0;
|
|
ip->ift_ob = 0;
|
|
ip->ift_co = 0;
|
|
ip->ift_dr = 0;
|
|
}
|
|
first = 1;
|
|
banner:
|
|
printf("%17s %14s %16s", "input",
|
|
interesting ? interesting->ift_name : "(Total)", "output");
|
|
putchar('\n');
|
|
printf("%10s %5s %10s %10s %5s %10s %5s",
|
|
"packets", "errs", "bytes", "packets", "errs", "bytes", "colls");
|
|
if (dflag)
|
|
printf(" %5.5s", "drops");
|
|
putchar('\n');
|
|
fflush(stdout);
|
|
line = 0;
|
|
loop:
|
|
if (interesting != NULL) {
|
|
ip = interesting;
|
|
if (kread(interesting_off, (char *)&ifnet, sizeof ifnet)) {
|
|
printf("???\n");
|
|
exit(1);
|
|
};
|
|
if (!first) {
|
|
printf("%10lu %5lu %10lu %10lu %5lu %10lu %5lu",
|
|
ifnet.if_ipackets - ip->ift_ip,
|
|
ifnet.if_ierrors - ip->ift_ie,
|
|
ifnet.if_ibytes - ip->ift_ib,
|
|
ifnet.if_opackets - ip->ift_op,
|
|
ifnet.if_oerrors - ip->ift_oe,
|
|
ifnet.if_obytes - ip->ift_ob,
|
|
ifnet.if_collisions - ip->ift_co);
|
|
if (dflag)
|
|
printf(" %5u", ifnet.if_snd.ifq_drops - ip->ift_dr);
|
|
}
|
|
ip->ift_ip = ifnet.if_ipackets;
|
|
ip->ift_ie = ifnet.if_ierrors;
|
|
ip->ift_ib = ifnet.if_ibytes;
|
|
ip->ift_op = ifnet.if_opackets;
|
|
ip->ift_oe = ifnet.if_oerrors;
|
|
ip->ift_ob = ifnet.if_obytes;
|
|
ip->ift_co = ifnet.if_collisions;
|
|
ip->ift_dr = ifnet.if_snd.ifq_drops;
|
|
} else {
|
|
sum->ift_ip = 0;
|
|
sum->ift_ie = 0;
|
|
sum->ift_ib = 0;
|
|
sum->ift_op = 0;
|
|
sum->ift_oe = 0;
|
|
sum->ift_ob = 0;
|
|
sum->ift_co = 0;
|
|
sum->ift_dr = 0;
|
|
for (off = firstifnet, ip = iftot; off && ip < lastif; ip++) {
|
|
if (kread(off, (char *)&ifnet, sizeof ifnet)) {
|
|
off = 0;
|
|
continue;
|
|
}
|
|
sum->ift_ip += ifnet.if_ipackets;
|
|
sum->ift_ie += ifnet.if_ierrors;
|
|
sum->ift_ib += ifnet.if_ibytes;
|
|
sum->ift_op += ifnet.if_opackets;
|
|
sum->ift_oe += ifnet.if_oerrors;
|
|
sum->ift_ob += ifnet.if_obytes;
|
|
sum->ift_co += ifnet.if_collisions;
|
|
sum->ift_dr += ifnet.if_snd.ifq_drops;
|
|
off = (u_long) ifnet.if_link.tqe_next;
|
|
}
|
|
if (!first) {
|
|
printf("%10u %5u %10u %10u %5u %10u %5u",
|
|
sum->ift_ip - total->ift_ip,
|
|
sum->ift_ie - total->ift_ie,
|
|
sum->ift_ib - total->ift_ib,
|
|
sum->ift_op - total->ift_op,
|
|
sum->ift_oe - total->ift_oe,
|
|
sum->ift_ob - total->ift_ob,
|
|
sum->ift_co - total->ift_co);
|
|
if (dflag)
|
|
printf(" %5u", sum->ift_dr - total->ift_dr);
|
|
}
|
|
*total = *sum;
|
|
}
|
|
if (!first)
|
|
putchar('\n');
|
|
fflush(stdout);
|
|
oldmask = sigblock(sigmask(SIGALRM));
|
|
if (! signalled) {
|
|
sigpause(0);
|
|
}
|
|
sigsetmask(oldmask);
|
|
signalled = NO;
|
|
(void)alarm(interval);
|
|
line++;
|
|
first = 0;
|
|
if (line == 21)
|
|
goto banner;
|
|
else
|
|
goto loop;
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
/*
|
|
* Called if an interval expires before sidewaysintpr has completed a loop.
|
|
* Sets a flag to not wait for the alarm.
|
|
*/
|
|
static void
|
|
catchalarm(signo)
|
|
int signo;
|
|
{
|
|
signalled = YES;
|
|
}
|