head	1.2;
access;
symbols;
locks; strict;
comment	@ * @;


1.2
date	2003.04.25.21.58.30;	author wessels;	state Exp;
branches;
next	1.1;

1.1
date	2003.04.25.21.51.35;	author wessels;	state Exp;
branches;
next	;


desc
@@


1.2
log
@cleanup
@
text
@/*
 * $Id$
 * 
 * Executes 'traceroute' back to the client's IP address. To be invoked from
 * inetd, stdin/stdout should be a connected socket
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <memory.h>
#include <errno.h>
#include <syslog.h>

int
main(int argc, char *argv[])
{
    struct sockaddr_in peer;
    char ipa[32];
    int len = sizeof(peer);
    openlog(argv[0], LOG_NDELAY, LOG_DAEMON);
    memset(&peer, '\0', sizeof(peer));
    memset(ipa, '\0', 32);
    if (getpeername(1, (struct sockaddr *) & peer, &len) < 0) {
	perror("getpeername");
	exit(0);
    }
    strcpy(ipa, inet_ntoa(peer.sin_addr));
    syslog(LOG_INFO, "Connection from %s", ipa);
    execl("/usr/local/sbin/traceroute", "/usr/local/sbin/traceroute", ipa, NULL);
    execl("/usr/sbin/traceroute", "/usr/sbin/traceroute", ipa, NULL);
    execl("/usr/etc/traceroute", "/usr/etc/traceroute", ipa, NULL);
    syslog(LOG_ERR, "traceroute: %s", strerror(errno));
    return 0;
}
@


1.1
log
@Initial revision
@
text
@d1 6
a6 1
/* to be invoked from inetd, stdin/stdout should be a connected socket */
d16 2
d20 1
a20 1
main (int argc, char *argv[])
d22 17
a38 16
	struct sockaddr_in peer;
	char ipa[32];
	int len = sizeof(peer);
	memset(&peer, '\0', sizeof(peer));
	memset(ipa, '\0', 32);
	if (getpeername(1, (struct sockaddr *) &peer, &len) < 0) {
		perror("getpeername");
		exit(0);
	}
	strcpy(ipa, inet_ntoa(peer.sin_addr));
	fprintf(stderr, "Connection from %s\n", ipa);
	execl("/usr/local/sbin/traceroute", "/usr/local/sbin/traceroute", ipa, NULL);
	execl("/usr/sbin/traceroute", "/usr/sbin/traceroute", ipa, NULL);
	execl("/usr/etc/traceroute", "/usr/etc/traceroute", ipa, NULL);
	perror("traceroute");
	return 0;
@