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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * $FreeBSD: src/libexec/rpc.rusersd/rusersd.c,v 1.8 1999/08/28 00:09:56 peter Exp $ 34 * $DragonFly: src/libexec/rpc.rusersd/rusersd.c,v 1.2 2003/06/17 04:27:07 dillon Exp $ 35 */ 36 37 #include <stdlib.h> 38 #include <rpc/rpc.h> 39 #include <rpc/pmap_clnt.h> 40 #include <signal.h> 41 #include <syslog.h> 42 #define utmp rutmp 43 #include <rpcsvc/rnusers.h> 44 #undef utmp 45 46 extern void rusers_service(); 47 48 int from_inetd = 1; 49 50 void 51 cleanup() 52 { 53 (void) pmap_unset(RUSERSPROG, RUSERSVERS_IDLE); 54 (void) pmap_unset(RUSERSPROG, RUSERSVERS_ORIG); 55 exit(0); 56 } 57 58 int 59 main(argc, argv) 60 int argc; 61 char *argv[]; 62 { 63 SVCXPRT *transp; 64 int sock = 0; 65 int proto = 0; 66 struct sockaddr_in from; 67 int fromlen; 68 69 /* 70 * See if inetd started us 71 */ 72 fromlen = sizeof(from); 73 if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) { 74 from_inetd = 0; 75 sock = RPC_ANYSOCK; 76 proto = IPPROTO_UDP; 77 } 78 79 if (!from_inetd) { 80 daemon(0, 0); 81 82 (void) pmap_unset(RUSERSPROG, RUSERSVERS_IDLE); 83 (void) pmap_unset(RUSERSPROG, RUSERSVERS_ORIG); 84 85 (void) signal(SIGINT, cleanup); 86 (void) signal(SIGTERM, cleanup); 87 (void) signal(SIGHUP, cleanup); 88 } 89 90 openlog("rpc.rusersd", LOG_CONS|LOG_PID, LOG_DAEMON); 91 92 transp = svcudp_create(sock); 93 if (transp == NULL) { 94 syslog(LOG_ERR, "cannot create udp service"); 95 exit(1); 96 } 97 if (!svc_register(transp, RUSERSPROG, RUSERSVERS_IDLE, rusers_service, proto)) { 98 syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_IDLE, %s)", proto?"udp":"(inetd)"); 99 exit(1); 100 } 101 102 if (!svc_register(transp, RUSERSPROG, RUSERSVERS_ORIG, rusers_service, proto)) { 103 syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_ORIG, %s)", proto?"udp":"(inetd)"); 104 exit(1); 105 } 106 107 svc_run(); 108 syslog(LOG_ERR, "svc_run returned"); 109 exit(1); 110 } 111