1 /* $NetBSD: rstatd.c,v 1.15 2011/08/29 20:41:06 joerg 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 1.15 2011/08/29 20:41:06 joerg 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 __dead static void cleanup(int);
54
55 int from_inetd = 1; /* started from inetd ? */
56 int closedown = 20; /* how long to wait before going dormant */
57
58 static void
cleanup(int dummy)59 cleanup(int dummy)
60 {
61 (void) rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL);
62 (void) rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL);
63 (void) rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL);
64 exit(0);
65 }
66
67 int
main(int argc,char * argv[])68 main(int argc, char *argv[])
69 {
70 SVCXPRT *transp;
71 struct sockaddr_storage from;
72 socklen_t fromlen;
73
74 if (argc == 2)
75 closedown = atoi(argv[1]);
76 if (closedown <= 0)
77 closedown = 20;
78
79 /*
80 * See if inetd started us
81 */
82 fromlen = sizeof(from);
83 if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0)
84 from_inetd = 0;
85
86 if (!from_inetd) {
87 /* daemon(0, 0); */
88
89 (void)rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL);
90 (void)rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL);
91 (void)rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL);
92
93 (void) signal(SIGINT, cleanup);
94 (void) signal(SIGTERM, cleanup);
95 (void) signal(SIGHUP, cleanup);
96 }
97
98 openlog("rpc.rstatd", LOG_PID, LOG_DAEMON);
99
100 if (from_inetd) {
101 transp = svc_dg_create(0, 0, 0);
102 if (transp == NULL) {
103 syslog(LOG_ERR, "cannot create udp service.");
104 exit(1);
105 }
106
107 if (!svc_reg(transp, RSTATPROG, RSTATVERS_TIME, rstat_service,
108 NULL)) {
109 syslog(LOG_ERR, "unable to register (RSTATPROG,"
110 "RSTATVERS_TIME)");
111 exit(1);
112 }
113
114 if (!svc_reg(transp, RSTATPROG, RSTATVERS_SWTCH, rstat_service,
115 NULL)) {
116 syslog(LOG_ERR, "unable to register (RSTATPROG,"
117 "RSTATVERS_TIME)");
118 exit(1);
119 }
120
121 if (!svc_reg(transp, RSTATPROG, RSTATVERS_ORIG, rstat_service,
122 NULL)) {
123 syslog(LOG_ERR, "unable to register (RSTATPROG,"
124 "RSTATVERS_ORIG)");
125 exit(1);
126 }
127 } else {
128 if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_TIME,
129 "udp")) {
130 syslog(LOG_ERR,
131 "unable to create (RSTATPROG, RSTATVERS_TIME).");
132 exit(1);
133 }
134 if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_SWTCH,
135 "udp")) {
136 syslog(LOG_ERR,
137 "unable to create (RSTATPROG, RSTATVERS_SWTCH).");
138 exit(1);
139 }
140 if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_ORIG,
141 "udp")) {
142 syslog(LOG_ERR,
143 "unable to register (RSTATPROG, RSTATVERS_ORIG).");
144 exit(1);
145 }
146 }
147
148 svc_run();
149 syslog(LOG_ERR, "svc_run returned");
150 exit(1);
151 }
152