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 */ 35 36 #include <stdlib.h> 37 #include <rpc/rpc.h> 38 #include <rpc/pmap_clnt.h> 39 #include <signal.h> 40 #include <syslog.h> 41 #define utmp rutmp 42 #include <rpcsvc/rnusers.h> 43 #undef utmp 44 45 extern void rusers_service(); 46 47 int from_inetd = 1; 48 49 void 50 cleanup(int sig) 51 { 52 (void) pmap_unset(RUSERSPROG, RUSERSVERS_IDLE); 53 (void) pmap_unset(RUSERSPROG, RUSERSVERS_ORIG); 54 exit(0); 55 } 56 57 int 58 main(int argc, char *argv[]) 59 { 60 SVCXPRT *transp; 61 int sock = 0; 62 int proto = 0; 63 struct sockaddr_in from; 64 int fromlen; 65 66 /* 67 * See if inetd started us 68 */ 69 fromlen = sizeof(from); 70 if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) { 71 from_inetd = 0; 72 sock = RPC_ANYSOCK; 73 proto = IPPROTO_UDP; 74 } 75 76 if (!from_inetd) { 77 daemon(0, 0); 78 79 (void) pmap_unset(RUSERSPROG, RUSERSVERS_IDLE); 80 (void) pmap_unset(RUSERSPROG, RUSERSVERS_ORIG); 81 82 (void) signal(SIGINT, cleanup); 83 (void) signal(SIGTERM, cleanup); 84 (void) signal(SIGHUP, cleanup); 85 } 86 87 openlog("rpc.rusersd", LOG_CONS|LOG_PID, LOG_DAEMON); 88 89 transp = svcudp_create(sock); 90 if (transp == NULL) { 91 syslog(LOG_ERR, "cannot create udp service"); 92 exit(1); 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 if (!svc_register(transp, RUSERSPROG, RUSERSVERS_ORIG, rusers_service, proto)) { 100 syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_ORIG, %s)", proto?"udp":"(inetd)"); 101 exit(1); 102 } 103 104 svc_run(); 105 syslog(LOG_ERR, "svc_run returned"); 106 exit(1); 107 } 108