152 lines
4.6 KiB
C
152 lines
4.6 KiB
C
/* $NetBSD: rstatd.c,v 1.15 2011/08/29 20:41:06 joerg Exp $ */
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/*-
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* Copyright (c) 1993, John Brezak
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: rstatd.c,v 1.15 2011/08/29 20:41:06 joerg Exp $");
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <stdio.h>
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#include <rpc/rpc.h>
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#include <signal.h>
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#include <syslog.h>
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#include <string.h>
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#include <stdlib.h>
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#include <rpcsvc/rstat.h>
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extern void rstat_service(struct svc_req *, SVCXPRT *);
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__dead static void cleanup(int);
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int from_inetd = 1; /* started from inetd ? */
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int closedown = 20; /* how long to wait before going dormant */
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static void
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cleanup(int dummy)
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{
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(void) rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL);
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(void) rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL);
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(void) rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL);
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exit(0);
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}
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int
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main(int argc, char *argv[])
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{
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SVCXPRT *transp;
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struct sockaddr_storage from;
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socklen_t fromlen;
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if (argc == 2)
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closedown = atoi(argv[1]);
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if (closedown <= 0)
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closedown = 20;
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/*
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* See if inetd started us
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*/
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fromlen = sizeof(from);
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if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0)
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from_inetd = 0;
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if (!from_inetd) {
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/* daemon(0, 0); */
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(void)rpcb_unset(RSTATPROG, RSTATVERS_TIME, NULL);
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(void)rpcb_unset(RSTATPROG, RSTATVERS_SWTCH, NULL);
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(void)rpcb_unset(RSTATPROG, RSTATVERS_ORIG, NULL);
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(void) signal(SIGINT, cleanup);
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(void) signal(SIGTERM, cleanup);
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(void) signal(SIGHUP, cleanup);
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}
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openlog("rpc.rstatd", LOG_PID, LOG_DAEMON);
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if (from_inetd) {
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transp = svc_dg_create(0, 0, 0);
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if (transp == NULL) {
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syslog(LOG_ERR, "cannot create udp service.");
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exit(1);
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}
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if (!svc_reg(transp, RSTATPROG, RSTATVERS_TIME, rstat_service,
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NULL)) {
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syslog(LOG_ERR, "unable to register (RSTATPROG,"
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"RSTATVERS_TIME)");
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exit(1);
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}
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if (!svc_reg(transp, RSTATPROG, RSTATVERS_SWTCH, rstat_service,
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NULL)) {
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syslog(LOG_ERR, "unable to register (RSTATPROG,"
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"RSTATVERS_TIME)");
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exit(1);
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}
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if (!svc_reg(transp, RSTATPROG, RSTATVERS_ORIG, rstat_service,
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NULL)) {
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syslog(LOG_ERR, "unable to register (RSTATPROG,"
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"RSTATVERS_ORIG)");
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exit(1);
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}
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} else {
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if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_TIME,
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"udp")) {
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syslog(LOG_ERR,
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"unable to create (RSTATPROG, RSTATVERS_TIME).");
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exit(1);
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}
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if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_SWTCH,
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"udp")) {
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syslog(LOG_ERR,
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"unable to create (RSTATPROG, RSTATVERS_SWTCH).");
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exit(1);
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}
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if (!svc_create(rstat_service, RSTATPROG, RSTATVERS_ORIG,
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"udp")) {
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syslog(LOG_ERR,
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"unable to register (RSTATPROG, RSTATVERS_ORIG).");
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exit(1);
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}
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}
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svc_run();
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syslog(LOG_ERR, "svc_run returned");
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exit(1);
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}
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