rstatd.c revision 8870
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
35static char rcsid[] = "$Id: rstatd.c,v 1.2 1994/11/18 22:31:05 ats 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
44extern void rstat_service();
45
46int from_inetd = 1;     /* started from inetd ? */
47int closedown = 20;	/* how long to wait before going dormant */
48
49void
50cleanup()
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
58main(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	fromlen = sizeof(from);
77        if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) {
78                from_inetd = 0;
79                sock = RPC_ANYSOCK;
80                proto = IPPROTO_UDP;
81        }
82
83        if (!from_inetd) {
84                daemon(0, 0);
85
86                (void)pmap_unset(RSTATPROG, RSTATVERS_TIME);
87                (void)pmap_unset(RSTATPROG, RSTATVERS_SWTCH);
88                (void)pmap_unset(RSTATPROG, RSTATVERS_ORIG);
89
90		(void) signal(SIGINT, cleanup);
91		(void) signal(SIGTERM, cleanup);
92		(void) signal(SIGHUP, cleanup);
93        }
94
95        openlog("rpc.rstatd", LOG_CONS|LOG_PID, LOG_DAEMON);
96
97	transp = svcudp_create(sock);
98	if (transp == NULL) {
99		syslog(LOG_ERR, "cannot create udp service.");
100		exit(1);
101	}
102	if (!svc_register(transp, RSTATPROG, RSTATVERS_TIME, rstat_service, proto)) {
103		syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_TIME, udp).");
104		exit(1);
105	}
106	if (!svc_register(transp, RSTATPROG, RSTATVERS_SWTCH, rstat_service, proto)) {
107		syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_SWTCH, udp).");
108		exit(1);
109	}
110	if (!svc_register(transp, RSTATPROG, RSTATVERS_ORIG, rstat_service, proto)) {
111		syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_ORIG, udp).");
112		exit(1);
113	}
114
115        svc_run();
116	syslog(LOG_ERR, "svc_run returned");
117	exit(1);
118}
119