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rusersd.c
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rusersd.c
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/* $NetBSD: rusersd.c,v 1.17 2007/12/15 19:44:46 perry Exp $ */
/*-
* Copyright (c) 1993 John Brezak
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: rusersd.c,v 1.17 2007/12/15 19:44:46 perry Exp $");
#endif /* not lint */
#include <stdio.h>
#include <rpc/rpc.h>
#include <sys/socket.h>
#include <signal.h>
#include <syslog.h>
#include <stdlib.h>
#include <rpcsvc/rusers.h> /* New version */
#include <rpcsvc/rnusers.h> /* Old version */
#include "rusers_proc.h"
int from_inetd = 1;
static void cleanup(int) __dead;
static void
/*ARGSUSED*/
cleanup(int n)
{
(void) rpcb_unset(RUSERSPROG, RUSERSVERS_3, NULL);
(void) rpcb_unset(RUSERSPROG, RUSERSVERS_IDLE, NULL);
exit(0);
}
int
/*ARGSUSED*/
main(int argc, char *argv[])
{
SVCXPRT *transp;
struct sockaddr_storage from;
socklen_t fromlen;
/*
* See if inetd started us
*/
fromlen = sizeof(from);
if (getsockname(0, (struct sockaddr *)(void *)&from, &fromlen) == -1)
from_inetd = 0;
if (!from_inetd) {
(void)daemon(0, 0);
(void)rpcb_unset(RUSERSPROG, RUSERSVERS_3, NULL);
(void)rpcb_unset(RUSERSPROG, RUSERSVERS_IDLE, NULL);
(void)signal(SIGINT, cleanup);
(void)signal(SIGTERM, cleanup);
(void)signal(SIGHUP, cleanup);
}
openlog("rpc.rusersd", LOG_PID, LOG_DAEMON);
if (from_inetd) {
transp = svc_dg_create(0, 0, 0);
if (transp == NULL) {
syslog(LOG_ERR, "cannot create udp service.");
return 1;
}
if (!svc_reg(transp, RUSERSPROG, RUSERSVERS_3, rusers_service,
NULL)) {
syslog(LOG_ERR, "unable to register "
"(RUSERSPROG, RUSERSVERS_3).");
return 1;
}
if (!svc_reg(transp, RUSERSPROG, RUSERSVERS_IDLE,
rusers_service, NULL)) {
syslog(LOG_ERR, "unable to register "
"(RUSERSPROG, RUSERSVERS_IDLE).");
return 1;
}
} else {
if (!svc_create(rusers_service, RUSERSPROG, RUSERSVERS_3,
"udp")) {
syslog(LOG_ERR, "unable to create "
"(RUSERSPROG, RUSERSVERS_3).");
return 1;
}
if (!svc_create(rusers_service, RUSERSPROG, RUSERSVERS_IDLE,
"udp")) {
syslog(LOG_ERR, "unable to create "
"(RUSERSPROG, RUSERSVERS_IDLE).");
return 1;
}
}
svc_run();
syslog(LOG_ERR, "svc_run returned");
return 1;
}