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/*
* icmpinfo
* It is a tool to look at the icmp you receive
* Its source comes from a modified BSD ping source by Laurent Demailly
*
* (c) 1995 by Laurent Demailly - <dl@hplyot.obspm.fr>
* it comes AS IS - no warranty, etc...
* see LICENSE
*
* see the README for usage infos...etc...
*
*/
/*
* Copyright (c) 1987 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1987 Regents of the University of California.\n\
All rights reserved.\n augmented 94/8-95 by dl\n";
#endif /* not lint */
#ifndef lint
static char sccsid[] = "@(#)ping.c 4.10 (Berkeley) 10/10/88 - $Author: icmpinfo-1.11 - Laurent Demailly <dl@hplyot.obspm.fr> - 8/1995 $";
#endif /* not lint */
#define DCLARE /* def : */
#include "defs.h"
/*
* P I N G . C
*
* Using the InterNet Control Message Protocol (ICMP) "ECHO" facility,
* measure round-trip-delays and packet loss across network paths.
*
* Author -
* Mike Muuss
* U. S. Army Ballistic Research Laboratory
* December, 1983
* Modified at Uc Berkeley
*
* Original ping status -
* Public Domain. Distribution Unlimited.
* see LICENSE for icmpinfo distribution and modifications conditions.
*
* Bugs -
* More statistics could always be gathered.
* This program has to run SUID to ROOT to access the ICMP socket.
*/
char usage[] = "Usage: icmpinfo [-v[v[v]]] [-s] [-n] [-p] [-l] [-k]\n -v : more and more info\n -s : show local interface address\n -n : no name query (dot ip only)\n -p : no port -> service name query\n -l : fork + syslog output\n -k : kill background process\nv1.11 - 8/1995 - dl";
char *pname;
int main(argc, argv)
int argc;
char **argv;
{
int sockoptions, on;
struct protoent *proto;
on = 1;
pname = argv[0];
argc--;
argv++;
sockoptions=nonamequery=noportquery=syslogdoutput=showsrcip=0;
while (argc > 0 && *argv[0] == '-') {
while (*++argv[0]) switch (*argv[0]) {
case 'd':
sockoptions |= SO_DEBUG;
break;
case 'r':
sockoptions |= SO_DONTROUTE;
break;
case 'v':
verbose++;
break;
case 'n':
nonamequery++;
break;
case 'p':
noportquery++;
break;
case 'l':
syslogdoutput++;
break;
case 's':
showsrcip++;
break;
case 'k':
pid_kill();
exit(0);
/*NOTREACHED*/
break;
case 'h':
default :
err_quit(usage);
}
argc--, argv++;
}
if (argc!=0) err_quit(usage);
if ( (proto = getprotobyname("icmp")) == NULL)
err_quit("unknown protocol: icmp");
if ( (sockfd = socket(AF_INET, SOCK_RAW, proto->p_proto)) < 0)
err_sys("can't create raw socket (root and/or bit s needed)");
if (sockoptions & SO_DEBUG)
if (setsockopt(sockfd, SOL_SOCKET, SO_DEBUG, &on,
sizeof(on)) < 0)
err_sys("setsockopt SO_DEBUG error");
if (sockoptions & SO_DONTROUTE)
if (setsockopt(sockfd, SOL_SOCKET, SO_DONTROUTE, &on,
sizeof(on)) < 0)
err_sys("setsockopt SO_DONTROUTE error");
if (syslogdoutput) {
if (getuid()!=0)
err_quit("You need root id to use the syslog/daemon -l option");
if (fork()) {exit(0);}
/* Can't check openlog & syslog retcodes 'cause lot of
unixes have void openlog(); and void syslog(); !! */
openlog("icmpinfo",0,LOG_DAEMON);
syslog(LOG_NOTICE,"started, PID=%d.",getpid());
setsid();
pid_file();
close(0);
close(1);
close(2);
} else {
printf("icmpinfo: Icmp monitoring in progress...\n");
}
recv_ping(); /* and start the receive */
/* NOTREACHED */
return(0);
}
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