/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* discard inetd service - both stream and dgram based.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <netinet/in.h>
#include <inetsvc.h>
static void
discard_stream(int s, char *argv[])
{
char buffer[BUFSIZ];
setproctitle("discard", s, argv);
while (read(s, buffer, sizeof (buffer)) > 0)
;
}
/* ARGSUSED0 */
static void
noop(int s, const struct sockaddr *sap, int sa_size, const void *buf, size_t sz)
{
}
int
main(int argc, char *argv[])
{
opterr = 0; /* disable getopt error msgs */
switch (getopt(argc, argv, "ds")) {
case 'd':
/*
* We don't need to do any work since dg_template consumes the
* datagrams for us, and we just ignore them.
*/
dg_template(noop, STDIN_FILENO, NULL, 0);
break;
case 's':
discard_stream(STDIN_FILENO, argv);
break;
default:
return (1);
}
return (0);
}