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