17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate * with the License.
87c478bd9Sstevel@tonic-gate *
97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate * and limitations under the License.
137c478bd9Sstevel@tonic-gate *
147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate *
207c478bd9Sstevel@tonic-gate * CDDL HEADER END
217c478bd9Sstevel@tonic-gate */
2261961e0fSrobinson
237c478bd9Sstevel@tonic-gate /*
24*e8031f0aSraf * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
257c478bd9Sstevel@tonic-gate * Use is subject to license terms.
267c478bd9Sstevel@tonic-gate */
27*e8031f0aSraf
287c478bd9Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
297c478bd9Sstevel@tonic-gate /* All Rights Reserved */
307c478bd9Sstevel@tonic-gate /*
317c478bd9Sstevel@tonic-gate * Portions of this source code were derived from Berkeley
327c478bd9Sstevel@tonic-gate * 4.3 BSD under license from the Regents of the University of
337c478bd9Sstevel@tonic-gate * California.
347c478bd9Sstevel@tonic-gate */
357c478bd9Sstevel@tonic-gate
367c478bd9Sstevel@tonic-gate /*
37*e8031f0aSraf * get time from remote machine
387c478bd9Sstevel@tonic-gate *
397c478bd9Sstevel@tonic-gate * gets time, obtaining value from host
407c478bd9Sstevel@tonic-gate * on the (udp, tcp)/time tli connection. Since timeserver returns
417c478bd9Sstevel@tonic-gate * with time of day in seconds since Jan 1, 1900, must
427c478bd9Sstevel@tonic-gate * subtract seconds before Jan 1, 1970 to get
437c478bd9Sstevel@tonic-gate * what unix uses.
447c478bd9Sstevel@tonic-gate */
45*e8031f0aSraf #include "mt.h"
467c478bd9Sstevel@tonic-gate #include <rpc/rpc.h>
477c478bd9Sstevel@tonic-gate #include <errno.h>
487c478bd9Sstevel@tonic-gate #include <sys/poll.h>
497c478bd9Sstevel@tonic-gate #include <rpc/nettype.h>
507c478bd9Sstevel@tonic-gate #include <netdir.h>
517c478bd9Sstevel@tonic-gate #include <stdio.h>
527c478bd9Sstevel@tonic-gate
537c478bd9Sstevel@tonic-gate extern int __rpc_timeval_to_msec();
547c478bd9Sstevel@tonic-gate
557c478bd9Sstevel@tonic-gate #ifdef DEBUG
567c478bd9Sstevel@tonic-gate #define debug(msg) t_error(msg)
577c478bd9Sstevel@tonic-gate #else
587c478bd9Sstevel@tonic-gate #define debug(msg)
597c478bd9Sstevel@tonic-gate #endif
607c478bd9Sstevel@tonic-gate
617c478bd9Sstevel@tonic-gate #define NYEARS (1970 - 1900)
6261961e0fSrobinson #define TOFFSET ((uint_t)60*60*24*(365*NYEARS + (NYEARS/4)))
637c478bd9Sstevel@tonic-gate
647c478bd9Sstevel@tonic-gate /*
657c478bd9Sstevel@tonic-gate * This is based upon the internet time server, but it contacts it by
667c478bd9Sstevel@tonic-gate * using TLI instead of socket.
677c478bd9Sstevel@tonic-gate */
687c478bd9Sstevel@tonic-gate int
rtime_tli(char * host,struct timeval * timep,struct timeval * timeout)6961961e0fSrobinson rtime_tli(char *host, struct timeval *timep, struct timeval *timeout)
707c478bd9Sstevel@tonic-gate {
717c478bd9Sstevel@tonic-gate uint32_t thetime;
727c478bd9Sstevel@tonic-gate int flag;
737c478bd9Sstevel@tonic-gate struct nd_addrlist *nlist = NULL;
747c478bd9Sstevel@tonic-gate struct nd_hostserv rpcbind_hs;
757c478bd9Sstevel@tonic-gate struct netconfig *nconf = NULL;
767c478bd9Sstevel@tonic-gate int foundit = 0;
777c478bd9Sstevel@tonic-gate int fd = -1;
787c478bd9Sstevel@tonic-gate
797c478bd9Sstevel@tonic-gate nconf = __rpc_getconfip(timeout == NULL ? "tcp" : "udp");
8061961e0fSrobinson if (nconf == NULL)
817c478bd9Sstevel@tonic-gate goto error;
827c478bd9Sstevel@tonic-gate
837c478bd9Sstevel@tonic-gate if ((fd = t_open(nconf->nc_device, O_RDWR, NULL)) == -1) {
847c478bd9Sstevel@tonic-gate debug("open");
857c478bd9Sstevel@tonic-gate goto error;
867c478bd9Sstevel@tonic-gate }
8761961e0fSrobinson if (t_bind(fd, NULL, NULL) < 0) {
887c478bd9Sstevel@tonic-gate debug("bind");
897c478bd9Sstevel@tonic-gate goto error;
907c478bd9Sstevel@tonic-gate }
917c478bd9Sstevel@tonic-gate
927c478bd9Sstevel@tonic-gate /* Get the address of the rpcbind */
937c478bd9Sstevel@tonic-gate rpcbind_hs.h_host = host;
947c478bd9Sstevel@tonic-gate rpcbind_hs.h_serv = "time";
957c478bd9Sstevel@tonic-gate /* Basically get the address of the remote machine on IP */
967c478bd9Sstevel@tonic-gate if (netdir_getbyname(nconf, &rpcbind_hs, &nlist))
977c478bd9Sstevel@tonic-gate goto error;
987c478bd9Sstevel@tonic-gate
997c478bd9Sstevel@tonic-gate if (nconf->nc_semantics == NC_TPI_CLTS) {
1007c478bd9Sstevel@tonic-gate struct t_unitdata tu_data;
1017c478bd9Sstevel@tonic-gate struct pollfd pfd;
1027c478bd9Sstevel@tonic-gate int res;
1037c478bd9Sstevel@tonic-gate int msec;
1047c478bd9Sstevel@tonic-gate
1057c478bd9Sstevel@tonic-gate tu_data.addr = *nlist->n_addrs;
1067c478bd9Sstevel@tonic-gate tu_data.udata.buf = (char *)&thetime;
10761961e0fSrobinson tu_data.udata.len = (uint_t)sizeof (thetime);
1087c478bd9Sstevel@tonic-gate tu_data.udata.maxlen = tu_data.udata.len;
1097c478bd9Sstevel@tonic-gate tu_data.opt.len = 0;
1107c478bd9Sstevel@tonic-gate tu_data.opt.maxlen = 0;
1117c478bd9Sstevel@tonic-gate if (t_sndudata(fd, &tu_data) == -1) {
1127c478bd9Sstevel@tonic-gate debug("udp");
1137c478bd9Sstevel@tonic-gate goto error;
1147c478bd9Sstevel@tonic-gate }
1157c478bd9Sstevel@tonic-gate pfd.fd = fd;
1167c478bd9Sstevel@tonic-gate pfd.events = POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND;
1177c478bd9Sstevel@tonic-gate
1187c478bd9Sstevel@tonic-gate msec = __rpc_timeval_to_msec(timeout);
1197c478bd9Sstevel@tonic-gate do {
1207c478bd9Sstevel@tonic-gate res = poll(&pfd, 1, msec);
1217c478bd9Sstevel@tonic-gate } while (res < 0);
1227c478bd9Sstevel@tonic-gate if ((res <= 0) || (pfd.revents & POLLNVAL))
1237c478bd9Sstevel@tonic-gate goto error;
1247c478bd9Sstevel@tonic-gate if (t_rcvudata(fd, &tu_data, &flag) < 0) {
1257c478bd9Sstevel@tonic-gate debug("udp");
1267c478bd9Sstevel@tonic-gate goto error;
1277c478bd9Sstevel@tonic-gate }
1287c478bd9Sstevel@tonic-gate foundit = 1;
1297c478bd9Sstevel@tonic-gate } else {
1307c478bd9Sstevel@tonic-gate struct t_call sndcall;
1317c478bd9Sstevel@tonic-gate
1327c478bd9Sstevel@tonic-gate sndcall.addr = *nlist->n_addrs;
1337c478bd9Sstevel@tonic-gate sndcall.opt.len = sndcall.opt.maxlen = 0;
1347c478bd9Sstevel@tonic-gate sndcall.udata.len = sndcall.udata.maxlen = 0;
1357c478bd9Sstevel@tonic-gate
1367c478bd9Sstevel@tonic-gate if (t_connect(fd, &sndcall, NULL) == -1) {
1377c478bd9Sstevel@tonic-gate debug("tcp");
1387c478bd9Sstevel@tonic-gate goto error;
1397c478bd9Sstevel@tonic-gate }
14061961e0fSrobinson if (t_rcv(fd, (char *)&thetime, (uint_t)sizeof (thetime), &flag)
14161961e0fSrobinson != (uint_t)sizeof (thetime)) {
1427c478bd9Sstevel@tonic-gate debug("tcp");
1437c478bd9Sstevel@tonic-gate goto error;
1447c478bd9Sstevel@tonic-gate }
1457c478bd9Sstevel@tonic-gate foundit = 1;
1467c478bd9Sstevel@tonic-gate }
1477c478bd9Sstevel@tonic-gate
1487c478bd9Sstevel@tonic-gate thetime = ntohl(thetime);
1497c478bd9Sstevel@tonic-gate timep->tv_sec = thetime - TOFFSET;
1507c478bd9Sstevel@tonic-gate timep->tv_usec = 0;
1517c478bd9Sstevel@tonic-gate
1527c478bd9Sstevel@tonic-gate error:
1537c478bd9Sstevel@tonic-gate if (nconf) {
1547c478bd9Sstevel@tonic-gate (void) freenetconfigent(nconf);
1557c478bd9Sstevel@tonic-gate if (fd != -1) {
1567c478bd9Sstevel@tonic-gate (void) t_close(fd);
1577c478bd9Sstevel@tonic-gate if (nlist)
1587c478bd9Sstevel@tonic-gate netdir_free((char *)nlist, ND_ADDRLIST);
1597c478bd9Sstevel@tonic-gate }
1607c478bd9Sstevel@tonic-gate }
1617c478bd9Sstevel@tonic-gate return (foundit);
1627c478bd9Sstevel@tonic-gate }
163