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 * $FreeBSD: src/libexec/rpc.rstatd/rstatd.c,v 1.8 1999/08/28 00:09:54 peter Exp $ 30 */ 31 32 #include <stdlib.h> 33 #include <rpc/rpc.h> 34 #include <signal.h> 35 #include <syslog.h> 36 #include <rpcsvc/rstat.h> 37 38 extern void rstat_service(); 39 40 int from_inetd = 1; /* started from inetd ? */ 41 int closedown = 20; /* how long to wait before going dormant */ 42 43 void 44 cleanup(int sig) 45 { 46 (void) rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL); 47 (void) rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL); 48 (void) rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL); 49 exit(0); 50 } 51 52 int 53 main(int argc, char *argv[]) 54 { 55 SVCXPRT *transp; 56 int ok; 57 struct sockaddr_storage from; 58 int fromlen; 59 60 if (argc == 2) 61 closedown = atoi(argv[1]); 62 if (closedown <= 0) 63 closedown = 20; 64 65 /* 66 * See if inetd started us 67 */ 68 fromlen = sizeof(from); 69 if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) { 70 from_inetd = 0; 71 } 72 73 if (!from_inetd) { 74 daemon(0, 0); 75 76 (void)rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL); 77 (void)rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL); 78 (void)rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL); 79 80 (void) signal(SIGINT, cleanup); 81 (void) signal(SIGTERM, cleanup); 82 (void) signal(SIGHUP, cleanup); 83 } 84 85 openlog("rpc.rstatd", LOG_CONS|LOG_PID, LOG_DAEMON); 86 87 if (from_inetd) { 88 transp = svc_tli_create(0, NULL, NULL, 0, 0); 89 if (transp == NULL) { 90 syslog(LOG_ERR, "cannot create udp service."); 91 exit(1); 92 } 93 ok = svc_reg(transp, RSTATPROG, RSTATVERS_TIME, 94 rstat_service, NULL); 95 } else 96 ok = svc_create(rstat_service, 97 RSTATPROG, RSTATVERS_TIME, "udp"); 98 if (!ok) { 99 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_TIME, %s)", (!from_inetd)?"udp":"(inetd)"); 100 exit(1); 101 } 102 if (from_inetd) 103 ok = svc_reg(transp, RSTATPROG, RSTATVERS_SWTCH, 104 rstat_service, NULL); 105 else 106 ok = svc_create(rstat_service, 107 RSTATPROG, RSTATVERS_SWTCH, "udp"); 108 if (!ok) { 109 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_SWTCH, %s)", (!from_inetd)?"udp":"(inetd)"); 110 exit(1); 111 } 112 if (from_inetd) 113 ok = svc_reg(transp, RSTATPROG, RSTATVERS_ORIG, 114 rstat_service, NULL); 115 else 116 ok = svc_create(rstat_service, 117 RSTATPROG, RSTATVERS_ORIG, "udp"); 118 if (!ok) { 119 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_ORIG, %s)", (!from_inetd)?"udp":"(inetd)"); 120 exit(1); 121 } 122 123 svc_run(); 124 syslog(LOG_ERR, "svc_run returned"); 125 exit(1); 126 } 127