1 /* $NetBSD: rstatd.c,v 1.8 1997/10/07 11:28:21 mrg Exp $ */ 2 3 /*- 4 * Copyright (c) 1993, John Brezak 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __RCSID("$NetBSD: rstatd.c,v 1.8 1997/10/07 11:28:21 mrg Exp $"); 39 #endif /* not lint */ 40 41 #include <sys/types.h> 42 #include <sys/socket.h> 43 44 #include <stdio.h> 45 #include <rpc/rpc.h> 46 #include <signal.h> 47 #include <syslog.h> 48 #include <string.h> 49 #include <stdlib.h> 50 #include <rpcsvc/rstat.h> 51 52 extern void rstat_service __P((struct svc_req *, SVCXPRT *)); 53 void cleanup __P((int)); 54 int main __P((int, char *[])); 55 56 int from_inetd = 1; /* started from inetd ? */ 57 int closedown = 20; /* how long to wait before going dormant */ 58 59 void 60 cleanup(dummy) 61 int dummy; 62 { 63 (void) pmap_unset(RSTATPROG, RSTATVERS_TIME); 64 (void) pmap_unset(RSTATPROG, RSTATVERS_SWTCH); 65 (void) pmap_unset(RSTATPROG, RSTATVERS_ORIG); 66 exit(0); 67 } 68 69 int 70 main(argc, argv) 71 int argc; 72 char *argv[]; 73 { 74 SVCXPRT *transp; 75 int sock = 0; 76 int proto = 0; 77 struct sockaddr_in from; 78 int fromlen; 79 80 if (argc == 2) 81 closedown = atoi(argv[1]); 82 if (closedown <= 0) 83 closedown = 20; 84 85 /* 86 * See if inetd started us 87 */ 88 fromlen = sizeof(from); 89 if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) { 90 from_inetd = 0; 91 sock = RPC_ANYSOCK; 92 proto = IPPROTO_UDP; 93 } 94 95 if (!from_inetd) { 96 daemon(0, 0); 97 98 (void)pmap_unset(RSTATPROG, RSTATVERS_TIME); 99 (void)pmap_unset(RSTATPROG, RSTATVERS_SWTCH); 100 (void)pmap_unset(RSTATPROG, RSTATVERS_ORIG); 101 102 (void) signal(SIGINT, cleanup); 103 (void) signal(SIGTERM, cleanup); 104 (void) signal(SIGHUP, cleanup); 105 } 106 107 openlog("rpc.rstatd", LOG_CONS|LOG_PID, LOG_DAEMON); 108 109 transp = svcudp_create(sock); 110 if (transp == NULL) { 111 syslog(LOG_ERR, "cannot create udp service."); 112 exit(1); 113 } 114 if (!svc_register(transp, RSTATPROG, RSTATVERS_TIME, rstat_service, proto)) { 115 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_TIME, udp)."); 116 exit(1); 117 } 118 if (!svc_register(transp, RSTATPROG, RSTATVERS_SWTCH, rstat_service, proto)) { 119 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_SWTCH, udp)."); 120 exit(1); 121 } 122 if (!svc_register(transp, RSTATPROG, RSTATVERS_ORIG, rstat_service, proto)) { 123 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_ORIG, udp)."); 124 exit(1); 125 } 126 127 svc_run(); 128 syslog(LOG_ERR, "svc_run returned"); 129 exit(1); 130 } 131