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. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef lint 30 static char rcsid[] = "$Id: rusersd.c,v 1.5 1993/11/21 18:56:36 brezak Exp $"; 31 #endif /* not lint */ 32 33 #include <stdio.h> 34 #include <rpc/rpc.h> 35 #include <signal.h> 36 #include <syslog.h> 37 #include <rpcsvc/rusers.h> /* New version */ 38 #include <rpcsvc/rnusers.h> /* Old version */ 39 40 extern void rusers_service(); 41 42 int from_inetd = 1; 43 44 void 45 cleanup() 46 { 47 (void) pmap_unset(RUSERSPROG, RUSERSVERS_3); 48 (void) pmap_unset(RUSERSPROG, RUSERSVERS_IDLE); 49 exit(0); 50 } 51 52 main(argc, argv) 53 int argc; 54 char *argv[]; 55 { 56 SVCXPRT *transp; 57 int sock = 0; 58 int proto = 0; 59 struct sockaddr_in from; 60 int fromlen; 61 62 /* 63 * See if inetd started us 64 */ 65 if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) { 66 from_inetd = 0; 67 sock = RPC_ANYSOCK; 68 proto = IPPROTO_UDP; 69 } 70 71 if (!from_inetd) { 72 daemon(0, 0); 73 74 (void) pmap_unset(RUSERSPROG, RUSERSVERS_3); 75 (void) pmap_unset(RUSERSPROG, RUSERSVERS_IDLE); 76 77 (void) signal(SIGINT, cleanup); 78 (void) signal(SIGTERM, cleanup); 79 (void) signal(SIGHUP, cleanup); 80 } 81 82 openlog("rpc.rusersd", LOG_CONS|LOG_PID, LOG_DAEMON); 83 84 transp = svcudp_create(sock); 85 if (transp == NULL) { 86 syslog(LOG_ERR, "cannot create udp service."); 87 exit(1); 88 } 89 if (!svc_register(transp, RUSERSPROG, RUSERSVERS_3, rusers_service, proto)) { 90 syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_3, %s).", proto?"udp":"(inetd)"); 91 exit(1); 92 } 93 94 if (!svc_register(transp, RUSERSPROG, RUSERSVERS_IDLE, rusers_service, proto)) { 95 syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_IDLE, %s).", proto?"udp":"(inetd)"); 96 exit(1); 97 } 98 99 svc_run(); 100 syslog(LOG_ERR, "svc_run returned"); 101 exit(1); 102 } 103