rusersd.c revision 100120
12337Scsgr/*- 22337Scsgr * Copyright (c) 1993, John Brezak 32337Scsgr * All rights reserved. 42337Scsgr * 52337Scsgr * Redistribution and use in source and binary forms, with or without 62337Scsgr * modification, are permitted provided that the following conditions 72337Scsgr * are met: 82337Scsgr * 1. Redistributions of source code must retain the above copyright 92337Scsgr * notice, this list of conditions and the following disclaimer. 102337Scsgr * 2. Redistributions in binary form must reproduce the above copyright 112337Scsgr * notice, this list of conditions and the following disclaimer in the 122337Scsgr * documentation and/or other materials provided with the distribution. 132337Scsgr * 3. All advertising materials mentioning features or use of this software 142337Scsgr * must display the following acknowledgement: 152337Scsgr * This product includes software developed by the University of 162337Scsgr * California, Berkeley and its contributors. 172337Scsgr * 4. Neither the name of the University nor the names of its contributors 182337Scsgr * may be used to endorse or promote products derived from this software 192337Scsgr * without specific prior written permission. 202337Scsgr * 212337Scsgr * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 222337Scsgr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 232337Scsgr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 242337Scsgr * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 252337Scsgr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 262337Scsgr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 272337Scsgr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 282337Scsgr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 292337Scsgr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 302337Scsgr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 312337Scsgr * SUCH DAMAGE. 322337Scsgr */ 332337Scsgr 342337Scsgr#ifndef lint 3531422Scharnierstatic const char rcsid[] = 3650476Speter "$FreeBSD: head/libexec/rpc.rusersd/rusersd.c 100120 2002-07-15 18:51:57Z alfred $"; 372337Scsgr#endif /* not lint */ 382337Scsgr 3931422Scharnier#include <stdlib.h> 402337Scsgr#include <rpc/rpc.h> 41100120Salfred#include <sys/socket.h> 422337Scsgr#include <signal.h> 432337Scsgr#include <syslog.h> 442337Scsgr#define utmp rutmp 452337Scsgr#include <rpcsvc/rnusers.h> 462337Scsgr#undef utmp 472337Scsgr 4890336Simpextern void rusers_service(struct svc_req *, SVCXPRT *); 492337Scsgr 502337Scsgrint from_inetd = 1; 512337Scsgr 522337Scsgrvoid 5390336Simpcleanup(int sig __unused) 542337Scsgr{ 55100120Salfred (void) rpcb_unset(RUSERSPROG, RUSERSVERS_IDLE, NULL); 56100120Salfred (void) rpcb_unset(RUSERSPROG, RUSERSVERS_ORIG, NULL); 572337Scsgr exit(0); 582337Scsgr} 592337Scsgr 6031422Scharnierint 6190336Simpmain(int argc, char *argv[]) 622337Scsgr{ 632337Scsgr SVCXPRT *transp; 64100120Salfred int ok; 65100120Salfred struct sockaddr_storage from; 662337Scsgr int fromlen; 678870Srgrimes 682337Scsgr /* 692337Scsgr * See if inetd started us 702337Scsgr */ 714657Sats fromlen = sizeof(from); 722337Scsgr if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) { 732337Scsgr from_inetd = 0; 742337Scsgr } 758870Srgrimes 762337Scsgr if (!from_inetd) { 772337Scsgr daemon(0, 0); 782337Scsgr 79100120Salfred (void) rpcb_unset(RUSERSPROG, RUSERSVERS_IDLE, NULL); 80100120Salfred (void) rpcb_unset(RUSERSPROG, RUSERSVERS_ORIG, NULL); 812337Scsgr 822337Scsgr (void) signal(SIGINT, cleanup); 832337Scsgr (void) signal(SIGTERM, cleanup); 842337Scsgr (void) signal(SIGHUP, cleanup); 852337Scsgr } 862337Scsgr 872337Scsgr openlog("rpc.rusersd", LOG_CONS|LOG_PID, LOG_DAEMON); 888870Srgrimes 89100120Salfred if (from_inetd) { 90100120Salfred transp = svc_tli_create(0, NULL, NULL, 0, 0); 91100120Salfred if (transp == NULL) { 92100120Salfred syslog(LOG_ERR, "cannot create udp service."); 93100120Salfred exit(1); 94100120Salfred } 95100120Salfred ok = svc_reg(transp, RUSERSPROG, RUSERSVERS_IDLE, 96100120Salfred rusers_service, NULL); 97100120Salfred } else 98100120Salfred ok = svc_create(rusers_service, 99100120Salfred RUSERSPROG, RUSERSVERS_IDLE, "udp"); 100100120Salfred if (!ok) { 101100120Salfred syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_IDLE, %s)", (!from_inetd)?"udp":"(inetd)"); 1022337Scsgr exit(1); 1032337Scsgr } 104100120Salfred if (from_inetd) 105100120Salfred ok = svc_reg(transp, RUSERSPROG, RUSERSVERS_ORIG, 106100120Salfred rusers_service, NULL); 107100120Salfred else 108100120Salfred ok = svc_create(rusers_service, 109100120Salfred RUSERSPROG, RUSERSVERS_ORIG, "udp"); 110100120Salfred if (!ok) { 111100120Salfred syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_ORIG, %s)", (!from_inetd)?"udp":"(inetd)"); 1122337Scsgr exit(1); 1132337Scsgr } 1142337Scsgr 1152337Scsgr svc_run(); 1162337Scsgr syslog(LOG_ERR, "svc_run returned"); 1172337Scsgr exit(1); 1182337Scsgr} 119