1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate * time inetd service - both stream and dgram based.
31*0Sstevel@tonic-gate */
32*0Sstevel@tonic-gate
33*0Sstevel@tonic-gate #include <sys/types.h>
34*0Sstevel@tonic-gate #include <sys/socket.h>
35*0Sstevel@tonic-gate #include <unistd.h>
36*0Sstevel@tonic-gate #include <stdio.h>
37*0Sstevel@tonic-gate #include <netinet/in.h>
38*0Sstevel@tonic-gate #include <sys/time.h>
39*0Sstevel@tonic-gate #include <syslog.h>
40*0Sstevel@tonic-gate #include <inetsvc.h>
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate
43*0Sstevel@tonic-gate /*
44*0Sstevel@tonic-gate * Return a machine readable date and time, in the form of the
45*0Sstevel@tonic-gate * number of seconds since midnight, Jan 1, 1900. Since gettimeofday
46*0Sstevel@tonic-gate * returns the number of seconds since midnight, Jan 1, 1970,
47*0Sstevel@tonic-gate * we must add 2208988800 seconds to this figure to make up for
48*0Sstevel@tonic-gate * some seventy years Bell Labs was asleep.
49*0Sstevel@tonic-gate */
50*0Sstevel@tonic-gate static uint32_t
machtime(void)51*0Sstevel@tonic-gate machtime(void)
52*0Sstevel@tonic-gate {
53*0Sstevel@tonic-gate struct timeval tv;
54*0Sstevel@tonic-gate
55*0Sstevel@tonic-gate if (gettimeofday(&tv, NULL) < 0) {
56*0Sstevel@tonic-gate syslog(LOG_INFO, "Unable to get time of day");
57*0Sstevel@tonic-gate return (0);
58*0Sstevel@tonic-gate }
59*0Sstevel@tonic-gate return ((uint32_t)htonl(tv.tv_sec + 2208988800U));
60*0Sstevel@tonic-gate }
61*0Sstevel@tonic-gate
62*0Sstevel@tonic-gate static void
machtime_stream(int s)63*0Sstevel@tonic-gate machtime_stream(int s)
64*0Sstevel@tonic-gate {
65*0Sstevel@tonic-gate uint32_t result = machtime();
66*0Sstevel@tonic-gate
67*0Sstevel@tonic-gate (void) safe_write(s, &result, sizeof (result));
68*0Sstevel@tonic-gate }
69*0Sstevel@tonic-gate
70*0Sstevel@tonic-gate /* ARGSUSED3 */
71*0Sstevel@tonic-gate static void
machtime_dg(int s,const struct sockaddr * sap,int sa_len,const void * buf,size_t sz)72*0Sstevel@tonic-gate machtime_dg(int s, const struct sockaddr *sap, int sa_len, const void *buf,
73*0Sstevel@tonic-gate size_t sz)
74*0Sstevel@tonic-gate {
75*0Sstevel@tonic-gate uint32_t result = machtime();
76*0Sstevel@tonic-gate
77*0Sstevel@tonic-gate (void) safe_sendto(s, &result, sizeof (result), 0, sap, sa_len);
78*0Sstevel@tonic-gate }
79*0Sstevel@tonic-gate
80*0Sstevel@tonic-gate int
main(int argc,char * argv[])81*0Sstevel@tonic-gate main(int argc, char *argv[])
82*0Sstevel@tonic-gate {
83*0Sstevel@tonic-gate opterr = 0; /* disable getopt error msgs */
84*0Sstevel@tonic-gate switch (getopt(argc, argv, "ds")) {
85*0Sstevel@tonic-gate case 'd':
86*0Sstevel@tonic-gate dg_template(machtime_dg, STDIN_FILENO, NULL, 0);
87*0Sstevel@tonic-gate break;
88*0Sstevel@tonic-gate case 's':
89*0Sstevel@tonic-gate machtime_stream(STDIN_FILENO);
90*0Sstevel@tonic-gate break;
91*0Sstevel@tonic-gate default:
92*0Sstevel@tonic-gate return (1);
93*0Sstevel@tonic-gate }
94*0Sstevel@tonic-gate
95*0Sstevel@tonic-gate return (0);
96*0Sstevel@tonic-gate }
97