1 /* $NetBSD: rstatd.c,v 1.15 2011/08/29 20:41:06 joerg 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 1.15 2011/08/29 20:41:06 joerg 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 __dead static void cleanup(int); 54 55 int from_inetd = 1; /* started from inetd ? */ 56 int closedown = 20; /* how long to wait before going dormant */ 57 58 static void 59 cleanup(int dummy) 60 { 61 (void) rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL); 62 (void) rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL); 63 (void) rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL); 64 exit(0); 65 } 66 67 int 68 main(int argc, char *argv[]) 69 { 70 SVCXPRT *transp; 71 struct sockaddr_storage from; 72 socklen_t fromlen; 73 74 if (argc == 2) 75 closedown = atoi(argv[1]); 76 if (closedown <= 0) 77 closedown = 20; 78 79 /* 80 * See if inetd started us 81 */ 82 fromlen = sizeof(from); 83 if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) 84 from_inetd = 0; 85 86 if (!from_inetd) { 87 /* daemon(0, 0); */ 88 89 (void)rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL); 90 (void)rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL); 91 (void)rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL); 92 93 (void) signal(SIGINT, cleanup); 94 (void) signal(SIGTERM, cleanup); 95 (void) signal(SIGHUP, cleanup); 96 } 97 98 openlog("rpc.rstatd", LOG_PID, LOG_DAEMON); 99 100 if (from_inetd) { 101 transp = svc_dg_create(0, 0, 0); 102 if (transp == NULL) { 103 syslog(LOG_ERR, "cannot create udp service."); 104 exit(1); 105 } 106 107 if (!svc_reg(transp, RSTATPROG, RSTATVERS_TIME, rstat_service, 108 NULL)) { 109 syslog(LOG_ERR, "unable to register (RSTATPROG," 110 "RSTATVERS_TIME)"); 111 exit(1); 112 } 113 114 if (!svc_reg(transp, RSTATPROG, RSTATVERS_SWTCH, rstat_service, 115 NULL)) { 116 syslog(LOG_ERR, "unable to register (RSTATPROG," 117 "RSTATVERS_TIME)"); 118 exit(1); 119 } 120 121 if (!svc_reg(transp, RSTATPROG, RSTATVERS_ORIG, rstat_service, 122 NULL)) { 123 syslog(LOG_ERR, "unable to register (RSTATPROG," 124 "RSTATVERS_ORIG)"); 125 exit(1); 126 } 127 } else { 128 if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_TIME, 129 "udp")) { 130 syslog(LOG_ERR, 131 "unable to create (RSTATPROG, RSTATVERS_TIME)."); 132 exit(1); 133 } 134 if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_SWTCH, 135 "udp")) { 136 syslog(LOG_ERR, 137 "unable to create (RSTATPROG, RSTATVERS_SWTCH)."); 138 exit(1); 139 } 140 if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_ORIG, 141 "udp")) { 142 syslog(LOG_ERR, 143 "unable to register (RSTATPROG, RSTATVERS_ORIG)."); 144 exit(1); 145 } 146 } 147 148 svc_run(); 149 syslog(LOG_ERR, "svc_run returned"); 150 exit(1); 151 } 152