2 * $Id: timelord.c,v 1.7 2002-01-04 04:45:47 sibaz Exp $
4 * Copyright (c) 1990,1992 Regents of The University of Michigan.
5 * All Rights Reserved. See COPYRIGHT.
7 * The "timelord protocol" was reverse engineered from Timelord,
8 * distributed with CAP, Copyright (c) 1990, The University of
9 * Melbourne. The following copyright, supplied by The University
10 * of Melbourne, may apply to this code:
12 * This version of timelord.c is based on code distributed
13 * by the University of Melbourne as part of the CAP package.
15 * The tardis/Timelord package for Macintosh/CAP is
16 * Copyright (c) 1990, The University of Melbourne.
21 #endif /* HAVE_CONFIG_H */
23 #include <sys/param.h>
24 #include <sys/types.h>
31 #include <netatalk/at.h>
32 #include <netatalk/endian.h>
33 #include <atalk/atp.h>
34 #include <atalk/nbp.h>
39 #endif /* HAVE_SGTTY_H */
42 #pragma warn "testing 123"
43 #include <atalk/logger.h>
48 #endif /* HAVE_NETDB_H */
52 #endif /* HAVE_FCNTL_H */
53 #ifdef HAVE_SYS_FCNTL_H
54 #include <sys/fcntl.h>
55 #endif /* HAVE_SYS_FCNTL_H */
59 #endif /* HAVE_TERMIOS_H */
60 #ifdef HAVE_SYS_TERMIOS_H
61 #include <sys/termios.h>
62 #endif /* HAVE_SYS_TERMIOS_H */
67 #define EPOCH 0x7C25B080 /* 00:00:00 GMT Jan 1, 1970 for Mac */
70 char *bad = "Bad request!";
78 if (( s = rindex( p, '/' )) == NULL ) {
83 fprintf( stderr, "Usage:\t%s -d -n nbpname\n", s );
88 * Unregister ourself on signal.
93 if ( nbp_unrgstr( server, "TimeLord", "*", NULL ) < 0 ) {
94 LOG(log_error, logtype_default, "Can't unregister %s", server );
97 LOG(log_info, logtype_default, "going down" );
101 int main( int ac, char **av )
104 struct sockaddr_at sat;
105 struct atp_block atpb;
110 char hostname[ MAXHOSTNAMELEN ];
113 long req, mtime, resp;
117 if ( gethostname( hostname, sizeof( hostname )) < 0 ) {
118 perror( "gethostname" );
121 if (( server = index( hostname, '.' )) != 0 ) {
126 while (( c = getopt( ac, av, "dn:" )) != EOF ) {
135 fprintf( stderr, "Unknown option -- '%c'\n", c );
141 * Disassociate from controlling tty.
148 dt = getdtablesize();
149 for ( i = 0; i < dt; i++ ) {
152 if (( i = open( "/dev/tty", O_RDWR )) >= 0 ) {
153 (void)ioctl( i, TIOCNOTTY, 0 );
154 setpgid( 0, getpid());
166 if (( p = rindex( *av, '/' )) == NULL ) {
173 openlog( p, LOG_PID );
176 syslog_setup(log_debug, logtype_default, logoption_ndelay|logoption_pid, logfacility_daemon );
179 /* allocate memory */
180 memset (&sat.sat_addr, 0, sizeof (sat.sat_addr));
182 if (( atp = atp_open( ATADDR_ANYPORT, &sat.sat_addr )) == NULL ) {
183 LOG(log_error, logtype_default, "main: atp_open: %s", strerror( errno ) );
187 if ( nbp_rgstr( atp_sockaddr( atp ), server, "TimeLord", "*" ) < 0 ) {
188 LOG(log_error, logtype_default, "Can't register %s", server );
191 LOG(log_info, logtype_default, "%s:TimeLord started", server );
193 signal(SIGHUP, goaway);
194 signal(SIGTERM, goaway);
198 * Something seriously wrong with atp, since these assigns must
201 atpb.atp_saddr = &sat;
202 atpb.atp_rreqdata = buf;
203 bzero( &sat, sizeof( struct sockaddr_at ));
204 atpb.atp_rreqdlen = sizeof( buf );
205 if ( atp_rreq( atp, &atpb ) < 0 ) {
206 LOG(log_error, logtype_default, "main: atp_rreq: %s", strerror( errno ) );
211 bcopy( p, &req, sizeof( long ));
217 if ( atpb.atp_rreqdlen > 5 ) {
218 bcopy( p + 1, &mtime, sizeof( long ));
219 mtime = ntohl( mtime );
220 LOG(log_info, logtype_default, "gettime from %s %s was %lu",
221 (*( p + 5 ) == '\0' ) ? "<unknown>" : p + 5,
222 ( *p == 0 ) ? "at boot" : "in chooser",
225 LOG(log_info, logtype_default, "gettime" );
228 if ( gettimeofday( &tv, &tz ) < 0 ) {
229 LOG(log_error, logtype_default, "main: gettimeofday: %s", strerror( errno ) );
232 if (( tm = gmtime( &tv.tv_sec )) == 0 ) {
233 perror( "localtime" );
237 mtime = tv.tv_sec + EPOCH;
238 mtime = htonl( mtime );
241 bcopy( &resp, buf, sizeof( long ));
242 bcopy( &mtime, buf + sizeof( long ), sizeof( long ));
243 iov.iov_len = sizeof( long ) + sizeof( long );
247 LOG(log_error, logtype_default, bad );
250 bcopy( &resp, buf, sizeof( long ));
251 *( buf + 4 ) = (unsigned char)strlen( bad );
252 strcpy( buf + 5, bad );
253 iov.iov_len = sizeof( long ) + 2 + strlen( bad );
258 atpb.atp_sresiov = &iov;
259 atpb.atp_sresiovcnt = 1;
260 if ( atp_sresp( atp, &atpb ) < 0 ) {
261 LOG(log_error, logtype_default, "main: atp_sresp: %s", strerror( errno ) );