17c478bdstevel@tonic-gate/*
27c478bdstevel@tonic-gate * CDDL HEADER START
37c478bdstevel@tonic-gate *
47c478bdstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bdstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bdstevel@tonic-gate * (the "License").  You may not use this file except in compliance
77c478bdstevel@tonic-gate * with the License.
87c478bdstevel@tonic-gate *
97c478bdstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bdstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bdstevel@tonic-gate * See the License for the specific language governing permissions
127c478bdstevel@tonic-gate * and limitations under the License.
137c478bdstevel@tonic-gate *
147c478bdstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bdstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bdstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bdstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bdstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bdstevel@tonic-gate *
207c478bdstevel@tonic-gate * CDDL HEADER END
217c478bdstevel@tonic-gate */
227c478bdstevel@tonic-gate/*
237c478bdstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
247c478bdstevel@tonic-gate * Use is subject to license terms.
257c478bdstevel@tonic-gate */
267c478bdstevel@tonic-gate
277c478bdstevel@tonic-gate#pragma ident	"%Z%%M%	%I%	%E% SMI"
287c478bdstevel@tonic-gate
297c478bdstevel@tonic-gate/*
307c478bdstevel@tonic-gate * time inetd service - both stream and dgram based.
317c478bdstevel@tonic-gate */
327c478bdstevel@tonic-gate
337c478bdstevel@tonic-gate#include <sys/types.h>
347c478bdstevel@tonic-gate#include <sys/socket.h>
357c478bdstevel@tonic-gate#include <unistd.h>
367c478bdstevel@tonic-gate#include <stdio.h>
377c478bdstevel@tonic-gate#include <netinet/in.h>
387c478bdstevel@tonic-gate#include <sys/time.h>
397c478bdstevel@tonic-gate#include <syslog.h>
407c478bdstevel@tonic-gate#include <inetsvc.h>
417c478bdstevel@tonic-gate
427c478bdstevel@tonic-gate
437c478bdstevel@tonic-gate/*
447c478bdstevel@tonic-gate * Return a machine readable date and time, in the form of the
457c478bdstevel@tonic-gate * number of seconds since midnight, Jan 1, 1900.  Since gettimeofday
467c478bdstevel@tonic-gate * returns the number of seconds since midnight, Jan 1, 1970,
477c478bdstevel@tonic-gate * we must add 2208988800 seconds to this figure to make up for
487c478bdstevel@tonic-gate * some seventy years Bell Labs was asleep.
497c478bdstevel@tonic-gate */
507c478bdstevel@tonic-gatestatic uint32_t
517c478bdstevel@tonic-gatemachtime(void)
527c478bdstevel@tonic-gate{
537c478bdstevel@tonic-gate	struct timeval tv;
547c478bdstevel@tonic-gate
557c478bdstevel@tonic-gate	if (gettimeofday(&tv, NULL) < 0) {
567c478bdstevel@tonic-gate		syslog(LOG_INFO, "Unable to get time of day");
577c478bdstevel@tonic-gate		return (0);
587c478bdstevel@tonic-gate	}
597c478bdstevel@tonic-gate	return ((uint32_t)htonl(tv.tv_sec + 2208988800U));
607c478bdstevel@tonic-gate}
617c478bdstevel@tonic-gate
627c478bdstevel@tonic-gatestatic void
637c478bdstevel@tonic-gatemachtime_stream(int s)
647c478bdstevel@tonic-gate{
657c478bdstevel@tonic-gate	uint32_t result = machtime();
667c478bdstevel@tonic-gate
677c478bdstevel@tonic-gate	(void) safe_write(s, &result, sizeof (result));
687c478bdstevel@tonic-gate}
697c478bdstevel@tonic-gate
707c478bdstevel@tonic-gate/* ARGSUSED3 */
717c478bdstevel@tonic-gatestatic void
727c478bdstevel@tonic-gatemachtime_dg(int s, const struct sockaddr *sap, int sa_len, const void *buf,
737c478bdstevel@tonic-gate    size_t sz)
747c478bdstevel@tonic-gate{
757c478bdstevel@tonic-gate	uint32_t result = machtime();
767c478bdstevel@tonic-gate
777c478bdstevel@tonic-gate	(void) safe_sendto(s, &result, sizeof (result), 0, sap, sa_len);
787c478bdstevel@tonic-gate}
797c478bdstevel@tonic-gate
807c478bdstevel@tonic-gateint
817c478bdstevel@tonic-gatemain(int argc, char *argv[])
827c478bdstevel@tonic-gate{
837c478bdstevel@tonic-gate	opterr = 0;	/* disable getopt error msgs */
847c478bdstevel@tonic-gate	switch (getopt(argc, argv, "ds")) {
857c478bdstevel@tonic-gate	case 'd':
867c478bdstevel@tonic-gate		dg_template(machtime_dg, STDIN_FILENO, NULL, 0);
877c478bdstevel@tonic-gate		break;
887c478bdstevel@tonic-gate	case 's':
897c478bdstevel@tonic-gate		machtime_stream(STDIN_FILENO);
907c478bdstevel@tonic-gate		break;
917c478bdstevel@tonic-gate	default:
927c478bdstevel@tonic-gate		return (1);
937c478bdstevel@tonic-gate	}
947c478bdstevel@tonic-gate
957c478bdstevel@tonic-gate	return (0);
967c478bdstevel@tonic-gate}
97