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