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 34 #include <stdio.h> 35 #include <rpc/rpc.h> 36 #include <signal.h> 37 #include <syslog.h> 38 #include <rpcsvc/rstat.h> 39 40 extern void rstat_service(); 41 42 int from_inetd = 1; /* started from inetd ? */ 43 int closedown = 20; /* how long to wait before going dormant */ 44 45 void 46 cleanup() 47 { 48 (void) pmap_unset(RSTATPROG, RSTATVERS_TIME); 49 (void) pmap_unset(RSTATPROG, RSTATVERS_SWTCH); 50 (void) pmap_unset(RSTATPROG, RSTATVERS_ORIG); 51 exit(0); 52 } 53 54 main(argc, argv) 55 int argc; 56 char *argv[]; 57 { 58 SVCXPRT *transp; 59 int sock = 0; 60 int proto = 0; 61 struct sockaddr_in from; 62 int fromlen; 63 64 if (argc == 2) 65 closedown = atoi(argv[1]); 66 if (closedown <= 0) 67 closedown = 20; 68 69 /* 70 * See if inetd started us 71 */ 72 if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) { 73 from_inetd = 0; 74 sock = RPC_ANYSOCK; 75 proto = IPPROTO_UDP; 76 } 77 78 if (!from_inetd) { 79 daemon(0, 0); 80 81 (void)pmap_unset(RSTATPROG, RSTATVERS_TIME); 82 (void)pmap_unset(RSTATPROG, RSTATVERS_SWTCH); 83 (void)pmap_unset(RSTATPROG, RSTATVERS_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, RSTATPROG, RSTATVERS_TIME, rstat_service, proto)) { 98 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_TIME, udp)."); 99 exit(1); 100 } 101 if (!svc_register(transp, RSTATPROG, RSTATVERS_SWTCH, rstat_service, proto)) { 102 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_SWTCH, udp)."); 103 exit(1); 104 } 105 if (!svc_register(transp, RSTATPROG, RSTATVERS_ORIG, rstat_service, proto)) { 106 syslog(LOG_ERR, "unable to register (RSTATPROG, RSTATVERS_ORIG, udp)."); 107 exit(1); 108 } 109 110 svc_run(); 111 syslog(LOG_ERR, "svc_run returned"); 112 exit(1); 113 } 114