1 /* $NetBSD: rusersd.c,v 1.17 2007/12/15 19:44:46 perry 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. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 #ifndef lint 33 __RCSID("$NetBSD: rusersd.c,v 1.17 2007/12/15 19:44:46 perry Exp $"); 34 #endif /* not lint */ 35 36 #include <stdio.h> 37 #include <rpc/rpc.h> 38 #include <sys/socket.h> 39 #include <signal.h> 40 #include <syslog.h> 41 #include <stdlib.h> 42 #include <rpcsvc/rusers.h> /* New version */ 43 #include <rpcsvc/rnusers.h> /* Old version */ 44 45 #include "rusers_proc.h" 46 47 48 int from_inetd = 1; 49 50 static void cleanup(int) __dead; 51 52 static void 53 /*ARGSUSED*/ 54 cleanup(int n) 55 { 56 57 (void) rpcb_unset(RUSERSPROG, RUSERSVERS_3, NULL); 58 (void) rpcb_unset(RUSERSPROG, RUSERSVERS_IDLE, NULL); 59 exit(0); 60 } 61 62 int 63 /*ARGSUSED*/ 64 main(int argc, char *argv[]) 65 { 66 SVCXPRT *transp; 67 struct sockaddr_storage from; 68 socklen_t fromlen; 69 70 /* 71 * See if inetd started us 72 */ 73 fromlen = sizeof(from); 74 if (getsockname(0, (struct sockaddr *)(void *)&from, &fromlen) == -1) 75 from_inetd = 0; 76 77 if (!from_inetd) { 78 (void)daemon(0, 0); 79 80 (void)rpcb_unset(RUSERSPROG, RUSERSVERS_3, NULL); 81 (void)rpcb_unset(RUSERSPROG, RUSERSVERS_IDLE, NULL); 82 83 (void)signal(SIGINT, cleanup); 84 (void)signal(SIGTERM, cleanup); 85 (void)signal(SIGHUP, cleanup); 86 } 87 88 openlog("rpc.rusersd", LOG_PID, LOG_DAEMON); 89 90 if (from_inetd) { 91 transp = svc_dg_create(0, 0, 0); 92 if (transp == NULL) { 93 syslog(LOG_ERR, "cannot create udp service."); 94 return 1; 95 } 96 if (!svc_reg(transp, RUSERSPROG, RUSERSVERS_3, rusers_service, 97 NULL)) { 98 syslog(LOG_ERR, "unable to register " 99 "(RUSERSPROG, RUSERSVERS_3)."); 100 return 1; 101 } 102 if (!svc_reg(transp, RUSERSPROG, RUSERSVERS_IDLE, 103 rusers_service, NULL)) { 104 syslog(LOG_ERR, "unable to register " 105 "(RUSERSPROG, RUSERSVERS_IDLE)."); 106 return 1; 107 } 108 } else { 109 if (!svc_create(rusers_service, RUSERSPROG, RUSERSVERS_3, 110 "udp")) { 111 syslog(LOG_ERR, "unable to create " 112 "(RUSERSPROG, RUSERSVERS_3)."); 113 return 1; 114 } 115 if (!svc_create(rusers_service, RUSERSPROG, RUSERSVERS_IDLE, 116 "udp")) { 117 syslog(LOG_ERR, "unable to create " 118 "(RUSERSPROG, RUSERSVERS_IDLE)."); 119 return 1; 120 } 121 } 122 123 svc_run(); 124 syslog(LOG_ERR, "svc_run returned"); 125 return 1; 126 } 127