freebsd-skq/libexec/rpc.rusersd/rusersd.c
Christian Brueffer 5efaea4cc6 Remove the 3rd clause ("advertising clause") of the BSD license as
permitted by the University of Berkeley on July 22, 1999.

Reviewed by:	imp
MFC after:	1 week
2014-02-17 22:27:32 +00:00

113 lines
3.4 KiB
C

/*-
* 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <stdlib.h>
#include <rpc/rpc.h>
#include <sys/socket.h>
#include <signal.h>
#include <syslog.h>
#include <rpcsvc/rnusers.h>
#include "extern.h"
int from_inetd = 1;
static void
cleanup(int sig __unused)
{
(void) rpcb_unset(RUSERSPROG, RUSERSVERS_IDLE, NULL);
(void) rpcb_unset(RUSERSPROG, RUSERSVERS_ORIG, NULL);
exit(0);
}
int
main(int argc __unused, char *argv[] __unused)
{
SVCXPRT *transp = NULL; /* Keep compiler happy. */
int ok;
struct sockaddr_storage from;
socklen_t fromlen;
/*
* See if inetd started us
*/
fromlen = sizeof(from);
if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) {
from_inetd = 0;
}
if (!from_inetd) {
daemon(0, 0);
(void) rpcb_unset(RUSERSPROG, RUSERSVERS_IDLE, NULL);
(void) rpcb_unset(RUSERSPROG, RUSERSVERS_ORIG, NULL);
(void) signal(SIGINT, cleanup);
(void) signal(SIGTERM, cleanup);
(void) signal(SIGHUP, cleanup);
}
openlog("rpc.rusersd", LOG_CONS|LOG_PID, LOG_DAEMON);
if (from_inetd) {
transp = svc_tli_create(0, NULL, NULL, 0, 0);
if (transp == NULL) {
syslog(LOG_ERR, "cannot create udp service.");
exit(1);
}
ok = svc_reg(transp, RUSERSPROG, RUSERSVERS_IDLE,
rusers_service, NULL);
} else
ok = svc_create(rusers_service,
RUSERSPROG, RUSERSVERS_IDLE, "udp");
if (!ok) {
syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_IDLE, %s)", (!from_inetd)?"udp":"(inetd)");
exit(1);
}
if (from_inetd)
ok = svc_reg(transp, RUSERSPROG, RUSERSVERS_ORIG,
rusers_service, NULL);
else
ok = svc_create(rusers_service,
RUSERSPROG, RUSERSVERS_ORIG, "udp");
if (!ok) {
syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_ORIG, %s)", (!from_inetd)?"udp":"(inetd)");
exit(1);
}
svc_run();
syslog(LOG_ERR, "svc_run returned");
exit(1);
}