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rstatd.c revision 1.7 
      1 /*	$NetBSD: rstatd.c,v 1.7 1996/08/30 20:17:44 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1993, John Brezak
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #ifndef lint
     37 static char rcsid[] = "$NetBSD: rstatd.c,v 1.7 1996/08/30 20:17:44 thorpej Exp $";
     38 #endif /* not lint */
     39 
     40 #include <stdio.h>
     41 #include <rpc/rpc.h>
     42 #include <signal.h>
     43 #include <syslog.h>
     44 #include <rpcsvc/rstat.h>
     45 
     46 extern void rstat_service();
     47 
     48 int from_inetd = 1;     /* started from inetd ? */
     49 int closedown = 20;	/* how long to wait before going dormant */
     50 
     51 void
     52 cleanup()
     53 {
     54         (void) pmap_unset(RSTATPROG, RSTATVERS_TIME);
     55         (void) pmap_unset(RSTATPROG, RSTATVERS_SWTCH);
     56         (void) pmap_unset(RSTATPROG, RSTATVERS_ORIG);
     57         exit(0);
     58 }
     59 
     60 main(argc, argv)
     61         int argc;
     62         char *argv[];
     63 {
     64 	SVCXPRT *transp;
     65         int sock = 0;
     66         int proto = 0;
     67 	struct sockaddr_in from;
     68 	int fromlen;
     69 
     70         if (argc == 2)
     71                 closedown = atoi(argv[1]);
     72         if (closedown <= 0)
     73                 closedown = 20;
     74 
     75         /*
     76          * See if inetd started us
     77          */
     78 	fromlen = sizeof(from);
     79         if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) {
     80                 from_inetd = 0;
     81                 sock = RPC_ANYSOCK;
     82                 proto = IPPROTO_UDP;
     83         }
     84 
     85         if (!from_inetd) {
     86                 daemon(0, 0);
     87 
     88                 (void)pmap_unset(RSTATPROG, RSTATVERS_TIME);
     89                 (void)pmap_unset(RSTATPROG, RSTATVERS_SWTCH);
     90                 (void)pmap_unset(RSTATPROG, RSTATVERS_ORIG);
     91 
     92 		(void) signal(SIGINT, cleanup);
     93 		(void) signal(SIGTERM, cleanup);
     94 		(void) signal(SIGHUP, cleanup);
     95         }
     96 
     97         openlog("rpc.rstatd", LOG_CONS|LOG_PID, LOG_DAEMON);
     98 
     99 	transp = svcudp_create(sock);
    100 	if (transp == NULL) {
    101 		syslog(LOG_ERR, "cannot create udp service.");
    102 		exit(1);
    103 	}
    104 	if (!svc_register(transp, RSTATPROG, RSTATVERS_TIME, rstat_service, proto)) {
    105 		syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_TIME, udp).");
    106 		exit(1);
    107 	}
    108 	if (!svc_register(transp, RSTATPROG, RSTATVERS_SWTCH, rstat_service, proto)) {
    109 		syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_SWTCH, udp).");
    110 		exit(1);
    111 	}
    112 	if (!svc_register(transp, RSTATPROG, RSTATVERS_ORIG, rstat_service, proto)) {
    113 		syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_ORIG, udp).");
    114 		exit(1);
    115 	}
    116 
    117         svc_run();
    118 	syslog(LOG_ERR, "svc_run returned");
    119 	exit(1);
    120 }
    121