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 35 static const char rcsid[] = 36 "$FreeBSD$"; 37 #endif /* not lint */ 38 39 #include <stdlib.h> 40 #include <rpc/rpc.h> 41 #include <signal.h> 42 #include <syslog.h> 43 #include <rpcsvc/rstat.h> 44 45 extern void rstat_service(struct svc_req *, SVCXPRT *); 46 47 int from_inetd = 1; /* started from inetd ? */ 48 int closedown = 20; /* how long to wait before going dormant */ 49 50 void 51 cleanup(int sig __unused) 52 { 53 (void) rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL); 54 (void) rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL); 55 (void) rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL); 56 exit(0); 57 } 58 59 int 60 main(int argc, char *argv[]) 61 { 62 SVCXPRT *transp; 63 int ok; 64 struct sockaddr_storage from; 65 socklen_t fromlen; 66 67 if (argc == 2) 68 closedown = atoi(argv[1]); 69 if (closedown <= 0) 70 closedown = 20; 71 72 /* 73 * See if inetd started us 74 */ 75 fromlen = sizeof(from); 76 if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) { 77 from_inetd = 0; 78 } 79 80 if (!from_inetd) { 81 daemon(0, 0); 82 83 (void)rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL); 84 (void)rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL); 85 (void)rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL); 86 87 (void) signal(SIGINT, cleanup); 88 (void) signal(SIGTERM, cleanup); 89 (void) signal(SIGHUP, cleanup); 90 } 91 92 openlog("rpc.rstatd", LOG_CONS|LOG_PID, LOG_DAEMON); 93 94 if (from_inetd) { 95 transp = svc_tli_create(0, NULL, NULL, 0, 0); 96 if (transp == NULL) { 97 syslog(LOG_ERR, "cannot create udp service."); 98 exit(1); 99 } 100 ok = svc_reg(transp, RSTATPROG, RSTATVERS_TIME, 101 rstat_service, NULL); 102 } else 103 ok = svc_create(rstat_service, 104 RSTATPROG, RSTATVERS_TIME, "udp"); 105 if (!ok) { 106 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_TIME, %s)", (!from_inetd)?"udp":"(inetd)"); 107 exit(1); 108 } 109 if (from_inetd) 110 ok = svc_reg(transp, RSTATPROG, RSTATVERS_SWTCH, 111 rstat_service, NULL); 112 else 113 ok = svc_create(rstat_service, 114 RSTATPROG, RSTATVERS_SWTCH, "udp"); 115 if (!ok) { 116 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_SWTCH, %s)", (!from_inetd)?"udp":"(inetd)"); 117 exit(1); 118 } 119 if (from_inetd) 120 ok = svc_reg(transp, RSTATPROG, RSTATVERS_ORIG, 121 rstat_service, NULL); 122 else 123 ok = svc_create(rstat_service, 124 RSTATPROG, RSTATVERS_ORIG, "udp"); 125 if (!ok) { 126 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_ORIG, %s)", (!from_inetd)?"udp":"(inetd)"); 127 exit(1); 128 } 129 130 svc_run(); 131 syslog(LOG_ERR, "svc_run returned"); 132 exit(1); 133 } 134