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