/*
* 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"
/*
* time inetd service - both stream and dgram based.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <stdio.h>
#include <netinet/in.h>
#include <sys/time.h>
#include <syslog.h>
#include <inetsvc.h>
/*
* Return a machine readable date and time, in the form of the
* number of seconds since midnight, Jan 1, 1900. Since gettimeofday
* returns the number of seconds since midnight, Jan 1, 1970,
* we must add 2208988800 seconds to this figure to make up for
* some seventy years Bell Labs was asleep.
*/
static uint32_t
machtime(void)
{
struct timeval tv;
if (gettimeofday(&tv, NULL) < 0) {
syslog(LOG_INFO, "Unable to get time of day");
return (0);
}
return ((uint32_t)htonl(tv.tv_sec + 2208988800U));
}
static void
machtime_stream(int s)
{
uint32_t result = machtime();
(void) safe_write(s, &result, sizeof (result));
}
/* ARGSUSED3 */
static void
machtime_dg(int s, const struct sockaddr *sap, int sa_len, const void *buf,
size_t sz)
{
uint32_t result = machtime();
(void) safe_sendto(s, &result, sizeof (result), 0, sap, sa_len);
}
int
main(int argc, char *argv[])
{
opterr = 0; /* disable getopt error msgs */
switch (getopt(argc, argv, "ds")) {
case 'd':
dg_template(machtime_dg, STDIN_FILENO, NULL, 0);
break;
case 's':
machtime_stream(STDIN_FILENO);
break;
default:
return (1);
}
return (0);
}