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 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 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