1 /* $NetBSD: rstatd.c,v 1.13 2000/06/03 20:36:30 fvdl 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 1.13 2000/06/03 20:36:30 fvdl 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(struct svc_req *, SVCXPRT *); 53 void cleanup(int); 54 int main(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(int dummy) 61 { 62 (void) rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL); 63 (void) rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL); 64 (void) rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL); 65 exit(0); 66 } 67 68 int 69 main(int argc, char *argv[]) 70 { 71 SVCXPRT *transp; 72 struct sockaddr_storage from; 73 int fromlen; 74 75 if (argc == 2) 76 closedown = atoi(argv[1]); 77 if (closedown <= 0) 78 closedown = 20; 79 80 /* 81 * See if inetd started us 82 */ 83 fromlen = sizeof(from); 84 if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) 85 from_inetd = 0; 86 87 if (!from_inetd) { 88 /* daemon(0, 0); */ 89 90 (void)rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL); 91 (void)rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL); 92 (void)rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL); 93 94 (void) signal(SIGINT, cleanup); 95 (void) signal(SIGTERM, cleanup); 96 (void) signal(SIGHUP, cleanup); 97 } 98 99 openlog("rpc.rstatd", LOG_PID, LOG_DAEMON); 100 101 if (from_inetd) { 102 transp = svc_dg_create(0, 0, 0); 103 if (transp == NULL) { 104 syslog(LOG_ERR, "cannot create udp service."); 105 exit(1); 106 } 107 108 if (!svc_reg(transp, RSTATPROG, RSTATVERS_TIME, rstat_service, 109 NULL)) { 110 syslog(LOG_ERR, "unable to register (RSTATPROG," 111 "RSTATVERS_TIME)"); 112 exit(1); 113 } 114 115 if (!svc_reg(transp, RSTATPROG, RSTATVERS_SWTCH, rstat_service, 116 NULL)) { 117 syslog(LOG_ERR, "unable to register (RSTATPROG," 118 "RSTATVERS_TIME)"); 119 exit(1); 120 } 121 122 if (!svc_reg(transp, RSTATPROG, RSTATVERS_ORIG, rstat_service, 123 NULL)) { 124 syslog(LOG_ERR, "unable to register (RSTATPROG," 125 "RSTATVERS_ORIG)"); 126 exit(1); 127 } 128 } else { 129 if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_TIME, 130 "udp")) { 131 syslog(LOG_ERR, 132 "unable to create (RSTATPROG, RSTATVERS_TIME)."); 133 exit(1); 134 } 135 if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_SWTCH, 136 "udp")) { 137 syslog(LOG_ERR, 138 "unable to create (RSTATPROG, RSTATVERS_SWTCH)."); 139 exit(1); 140 } 141 if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_ORIG, 142 "udp")) { 143 syslog(LOG_ERR, 144 "unable to register (RSTATPROG, RSTATVERS_ORIG)."); 145 exit(1); 146 } 147 } 148 149 svc_run(); 150 syslog(LOG_ERR, "svc_run returned"); 151 exit(1); 152 } 153