xref: /netbsd/libexec/rpc.rstatd/rstatd.c (revision bf9ec67e)
1 /*	$NetBSD: rstatd.c,v 1.13 2000/06/03 20:36:30 fvdl 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 1.13 2000/06/03 20:36:30 fvdl 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(struct svc_req *, SVCXPRT *);
53 void cleanup(int);
54 int main(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(int dummy)
61 {
62         (void) rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL);
63         (void) rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL);
64         (void) rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL);
65         exit(0);
66 }
67 
68 int
69 main(int argc, char *argv[])
70 {
71 	SVCXPRT *transp;
72 	struct sockaddr_storage from;
73 	int fromlen;
74 
75         if (argc == 2)
76                 closedown = atoi(argv[1]);
77         if (closedown <= 0)
78                 closedown = 20;
79 
80         /*
81          * See if inetd started us
82          */
83 	fromlen = sizeof(from);
84         if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0)
85                 from_inetd = 0;
86 
87         if (!from_inetd) {
88                 /* daemon(0, 0); */
89 
90                 (void)rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL);
91                 (void)rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL);
92                 (void)rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL);
93 
94 		(void) signal(SIGINT, cleanup);
95 		(void) signal(SIGTERM, cleanup);
96 		(void) signal(SIGHUP, cleanup);
97         }
98 
99         openlog("rpc.rstatd", LOG_PID, LOG_DAEMON);
100 
101 	if (from_inetd) {
102 		transp = svc_dg_create(0, 0, 0);
103 		if (transp == NULL) {
104 			syslog(LOG_ERR, "cannot create udp service.");
105 			exit(1);
106 		}
107 
108 		if (!svc_reg(transp, RSTATPROG, RSTATVERS_TIME, rstat_service,
109 		    NULL)) {
110 			syslog(LOG_ERR, "unable to register (RSTATPROG,"
111 			    "RSTATVERS_TIME)");
112 			exit(1);
113 		}
114 
115 		if (!svc_reg(transp, RSTATPROG, RSTATVERS_SWTCH, rstat_service,
116 		    NULL)) {
117 			syslog(LOG_ERR, "unable to register (RSTATPROG,"
118 			    "RSTATVERS_TIME)");
119 			exit(1);
120 		}
121 
122 		if (!svc_reg(transp, RSTATPROG, RSTATVERS_ORIG, rstat_service,
123 		    NULL)) {
124 			syslog(LOG_ERR, "unable to register (RSTATPROG,"
125 			    "RSTATVERS_ORIG)");
126 			exit(1);
127 		}
128 	} else {
129 		if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_TIME,
130 		    "udp")) {
131 			syslog(LOG_ERR,
132 			    "unable to create (RSTATPROG, RSTATVERS_TIME).");
133 			exit(1);
134 		}
135 		if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_SWTCH,
136 		    "udp")) {
137 			syslog(LOG_ERR,
138 			    "unable to create (RSTATPROG, RSTATVERS_SWTCH).");
139 			exit(1);
140 		}
141 		if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_ORIG,
142 		    "udp")) {
143 			syslog(LOG_ERR,
144 			    "unable to register (RSTATPROG, RSTATVERS_ORIG).");
145 			exit(1);
146 		}
147 	}
148 
149         svc_run();
150 	syslog(LOG_ERR, "svc_run returned");
151 	exit(1);
152 }
153