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rstatd.c revision 1.8 
      1 /*	$NetBSD: rstatd.c,v 1.8 1997/10/07 11:28:21 mrg 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 #include <sys/cdefs.h>
     37 #ifndef lint
     38 __RCSID("$NetBSD: rstatd.c,v 1.8 1997/10/07 11:28:21 mrg Exp $");
     39 #endif /* not lint */
     40 
     41 #include <sys/types.h>
     42 #include <sys/socket.h>
     43 
     44 #include <stdio.h>
     45 #include <rpc/rpc.h>
     46 #include <signal.h>
     47 #include <syslog.h>
     48 #include <string.h>
     49 #include <stdlib.h>
     50 #include <rpcsvc/rstat.h>
     51 
     52 extern void rstat_service __P((struct svc_req *, SVCXPRT *));
     53 void cleanup __P((int));
     54 int main __P((int, char *[]));
     55 
     56 int from_inetd = 1;     /* started from inetd ? */
     57 int closedown = 20;	/* how long to wait before going dormant */
     58 
     59 void
     60 cleanup(dummy)
     61 	int dummy;
     62 {
     63         (void) pmap_unset(RSTATPROG, RSTATVERS_TIME);
     64         (void) pmap_unset(RSTATPROG, RSTATVERS_SWTCH);
     65         (void) pmap_unset(RSTATPROG, RSTATVERS_ORIG);
     66         exit(0);
     67 }
     68 
     69 int
     70 main(argc, argv)
     71         int argc;
     72         char *argv[];
     73 {
     74 	SVCXPRT *transp;
     75         int sock = 0;
     76         int proto = 0;
     77 	struct sockaddr_in from;
     78 	int fromlen;
     79 
     80         if (argc == 2)
     81                 closedown = atoi(argv[1]);
     82         if (closedown <= 0)
     83                 closedown = 20;
     84 
     85         /*
     86          * See if inetd started us
     87          */
     88 	fromlen = sizeof(from);
     89         if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) {
     90                 from_inetd = 0;
     91                 sock = RPC_ANYSOCK;
     92                 proto = IPPROTO_UDP;
     93         }
     94 
     95         if (!from_inetd) {
     96                 daemon(0, 0);
     97 
     98                 (void)pmap_unset(RSTATPROG, RSTATVERS_TIME);
     99                 (void)pmap_unset(RSTATPROG, RSTATVERS_SWTCH);
    100                 (void)pmap_unset(RSTATPROG, RSTATVERS_ORIG);
    101 
    102 		(void) signal(SIGINT, cleanup);
    103 		(void) signal(SIGTERM, cleanup);
    104 		(void) signal(SIGHUP, cleanup);
    105         }
    106 
    107         openlog("rpc.rstatd", LOG_CONS|LOG_PID, LOG_DAEMON);
    108 
    109 	transp = svcudp_create(sock);
    110 	if (transp == NULL) {
    111 		syslog(LOG_ERR, "cannot create udp service.");
    112 		exit(1);
    113 	}
    114 	if (!svc_register(transp, RSTATPROG, RSTATVERS_TIME, rstat_service, proto)) {
    115 		syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_TIME, udp).");
    116 		exit(1);
    117 	}
    118 	if (!svc_register(transp, RSTATPROG, RSTATVERS_SWTCH, rstat_service, proto)) {
    119 		syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_SWTCH, udp).");
    120 		exit(1);
    121 	}
    122 	if (!svc_register(transp, RSTATPROG, RSTATVERS_ORIG, rstat_service, proto)) {
    123 		syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_ORIG, udp).");
    124 		exit(1);
    125 	}
    126 
    127         svc_run();
    128 	syslog(LOG_ERR, "svc_run returned");
    129 	exit(1);
    130 }
    131