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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #ifndef lint
31 static const char rcsid[] =
32 "$FreeBSD$";
33 #endif /* not lint */
34
35 #include <stdlib.h>
36 #include <rpc/rpc.h>
37 #include <signal.h>
38 #include <syslog.h>
39 #include <rpcsvc/rstat.h>
40
41 extern void rstat_service(struct svc_req *, SVCXPRT *);
42
43 int from_inetd = 1; /* started from inetd ? */
44 int closedown = 20; /* how long to wait before going dormant */
45
46 void
cleanup(int sig __unused)47 cleanup(int sig __unused)
48 {
49 (void) rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL);
50 (void) rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL);
51 (void) rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL);
52 exit(0);
53 }
54
55 int
main(int argc,char * argv[])56 main(int argc, char *argv[])
57 {
58 SVCXPRT *transp;
59 int ok;
60 struct sockaddr_storage from;
61 socklen_t fromlen;
62
63 if (argc == 2)
64 closedown = atoi(argv[1]);
65 if (closedown <= 0)
66 closedown = 20;
67
68 /*
69 * See if inetd started us
70 */
71 fromlen = sizeof(from);
72 if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) {
73 from_inetd = 0;
74 }
75
76 if (!from_inetd) {
77 daemon(0, 0);
78
79 (void)rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL);
80 (void)rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL);
81 (void)rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL);
82
83 (void) signal(SIGINT, cleanup);
84 (void) signal(SIGTERM, cleanup);
85 (void) signal(SIGHUP, cleanup);
86 }
87
88 openlog("rpc.rstatd", LOG_CONS|LOG_PID, LOG_DAEMON);
89
90 if (from_inetd) {
91 transp = svc_tli_create(0, NULL, NULL, 0, 0);
92 if (transp == NULL) {
93 syslog(LOG_ERR, "cannot create udp service.");
94 exit(1);
95 }
96 ok = svc_reg(transp, RSTATPROG, RSTATVERS_TIME,
97 rstat_service, NULL);
98 } else
99 ok = svc_create(rstat_service,
100 RSTATPROG, RSTATVERS_TIME, "udp");
101 if (!ok) {
102 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_TIME, %s)", (!from_inetd)?"udp":"(inetd)");
103 exit(1);
104 }
105 if (from_inetd)
106 ok = svc_reg(transp, RSTATPROG, RSTATVERS_SWTCH,
107 rstat_service, NULL);
108 else
109 ok = svc_create(rstat_service,
110 RSTATPROG, RSTATVERS_SWTCH, "udp");
111 if (!ok) {
112 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_SWTCH, %s)", (!from_inetd)?"udp":"(inetd)");
113 exit(1);
114 }
115 if (from_inetd)
116 ok = svc_reg(transp, RSTATPROG, RSTATVERS_ORIG,
117 rstat_service, NULL);
118 else
119 ok = svc_create(rstat_service,
120 RSTATPROG, RSTATVERS_ORIG, "udp");
121 if (!ok) {
122 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_ORIG, %s)", (!from_inetd)?"udp":"(inetd)");
123 exit(1);
124 }
125
126 svc_run();
127 syslog(LOG_ERR, "svc_run returned");
128 exit(1);
129 }
130