xref: /netbsd-src/libexec/rpc.rstatd/rstatd.c (revision 4b30c543a0b21e3ba94f2c569e9a82b4fdb2075f)
1 /*-
2  * Copyright (c) 1993, John Brezak
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #ifndef lint
35 static char rcsid[] = "$Id: rstatd.c,v 1.4 1993/08/02 17:50:40 mycroft Exp $";
36 #endif /* not lint */
37 
38 #include <stdio.h>
39 #include <rpc/rpc.h>
40 #include <signal.h>
41 #include <syslog.h>
42 #include <rpcsvc/rstat.h>
43 
44 extern void rstat_service();
45 
46 int from_inetd = 1;     /* started from inetd ? */
47 int closedown = 20;	/* how long to wait before going dormant */
48 
49 void
50 cleanup()
51 {
52         (void) pmap_unset(RSTATPROG, RSTATVERS_TIME);
53         (void) pmap_unset(RSTATPROG, RSTATVERS_SWTCH);
54         (void) pmap_unset(RSTATPROG, RSTATVERS_ORIG);
55         exit(0);
56 }
57 
58 main(argc, argv)
59         int argc;
60         char *argv[];
61 {
62 	SVCXPRT *transp;
63         int sock = 0;
64         int proto = 0;
65 	struct sockaddr_in from;
66 	int fromlen;
67 
68         if (argc == 2)
69                 closedown = atoi(argv[1]);
70         if (closedown <= 0)
71                 closedown = 20;
72 
73         /*
74          * See if inetd started us
75          */
76         if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) {
77                 from_inetd = 0;
78                 sock = RPC_ANYSOCK;
79                 proto = IPPROTO_UDP;
80         }
81 
82         if (!from_inetd) {
83                 daemon(0, 0);
84 
85                 (void)pmap_unset(RSTATPROG, RSTATVERS_TIME);
86                 (void)pmap_unset(RSTATPROG, RSTATVERS_SWTCH);
87                 (void)pmap_unset(RSTATPROG, RSTATVERS_ORIG);
88 
89 		(void) signal(SIGINT, cleanup);
90 		(void) signal(SIGTERM, cleanup);
91 		(void) signal(SIGHUP, cleanup);
92         }
93 
94         openlog("rpc.rusersd", LOG_CONS|LOG_PID, LOG_DAEMON);
95 
96 	transp = svcudp_create(sock);
97 	if (transp == NULL) {
98 		syslog(LOG_ERR, "cannot create udp service.");
99 		exit(1);
100 	}
101 	if (!svc_register(transp, RSTATPROG, RSTATVERS_TIME, rstat_service, proto)) {
102 		syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_TIME, udp).");
103 		exit(1);
104 	}
105 	if (!svc_register(transp, RSTATPROG, RSTATVERS_SWTCH, rstat_service, proto)) {
106 		syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_SWTCH, udp).");
107 		exit(1);
108 	}
109 	if (!svc_register(transp, RSTATPROG, RSTATVERS_ORIG, rstat_service, proto)) {
110 		syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_ORIG, udp).");
111 		exit(1);
112 	}
113 
114         svc_run();
115 	syslog(LOG_ERR, "svc_run returned");
116 	exit(1);
117 }
118