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File: [cvs.NetBSD.org] / src / libexec / rpc.sprayd / sprayd.c (download)

Revision 1.14, Tue May 9 20:18:07 2006 UTC (14 years, 11 months ago) by mrg
Branch: MAIN
CVS Tags: yamt-pf42-baseX, yamt-pf42-base4, yamt-pf42-base3, yamt-pf42-base2, yamt-pf42-base, yamt-pf42, wrstuden-revivesa-base-3, wrstuden-revivesa-base-2, wrstuden-revivesa-base-1, wrstuden-revivesa-base, wrstuden-revivesa, wrstuden-fixsa-newbase, wrstuden-fixsa-base-1, wrstuden-fixsa-base, wrstuden-fixsa, netbsd-5-base, netbsd-5-2-RELEASE, netbsd-5-2-RC1, netbsd-5-2-3-RELEASE, netbsd-5-2-2-RELEASE, netbsd-5-2-1-RELEASE, netbsd-5-2, netbsd-5-1-RELEASE, netbsd-5-1-RC4, netbsd-5-1-RC3, netbsd-5-1-RC2, netbsd-5-1-RC1, netbsd-5-1-5-RELEASE, netbsd-5-1-4-RELEASE, netbsd-5-1-3-RELEASE, netbsd-5-1-2-RELEASE, netbsd-5-1-1-RELEASE, netbsd-5-1, netbsd-5-0-RELEASE, netbsd-5-0-RC4, netbsd-5-0-RC3, netbsd-5-0-RC2, netbsd-5-0-RC1, netbsd-5-0-2-RELEASE, netbsd-5-0-1-RELEASE, netbsd-5-0, netbsd-5, netbsd-4-base, netbsd-4-0-RELEASE, netbsd-4-0-RC5, netbsd-4-0-RC4, netbsd-4-0-RC3, netbsd-4-0-RC2, netbsd-4-0-RC1, netbsd-4-0-1-RELEASE, netbsd-4-0, netbsd-4, mjf-devfs2-base, mjf-devfs2, matt-nb5-pq3-base, matt-nb5-pq3, matt-nb5-mips64-u2-k2-k4-k7-k8-k9, matt-nb5-mips64-u1-k1-k5, matt-nb5-mips64-premerge-20101231, matt-nb5-mips64-premerge-20091211, matt-nb5-mips64-k15, matt-nb5-mips64, matt-nb4-mips64-k7-u2a-k9b, matt-mips64-base2, matt-mips64-base, matt-mips64, matt-armv6-prevmlocking, matt-armv6-nbase, matt-armv6-base, matt-armv6, keiichi-mipv6-base, keiichi-mipv6, jym-xensuspend-nbase, jym-xensuspend-base, jym-xensuspend, hpcarm-cleanup-nbase, hpcarm-cleanup-base, hpcarm-cleanup, cube-autoconf-base, cube-autoconf, abandoned-netbsd-4-base, abandoned-netbsd-4
Changes since 1.13: +3 -3 lines

change (mostly) int to socklen_t.  GCC 4 doesn't like that int and
socklen_t are different signness.

/*	$NetBSD: sprayd.c,v 1.14 2006/05/09 20:18:07 mrg Exp $	*/

/*
 * Copyright (c) 1994 Christos Zoulas
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Christos Zoulas.
 * 4. 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: sprayd.c,v 1.14 2006/05/09 20:18:07 mrg Exp $");
#endif /* not lint */

#include <stdio.h>
#include <signal.h>
#include <stdlib.h>
#include <unistd.h>
#include <syslog.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <rpc/rpc.h>
#include <rpcsvc/spray.h>

static void cleanup(int);
static void die(int);
static void spray_service(struct svc_req *, SVCXPRT *);

int main(int, char *[]);

static int from_inetd = 1;

#define TIMEOUT 120

static void
cleanup(int n)
{

	(void)rpcb_unset(SPRAYPROG, SPRAYVERS, NULL);
	exit(0);
}

static void
die(int n)
{

	exit(0);
}

int
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 *)&from, &fromlen) < 0)
		from_inetd = 0;

	if (!from_inetd) {
		daemon(0, 0);

		(void)rpcb_unset(SPRAYPROG, SPRAYVERS, NULL);

		(void)signal(SIGINT, cleanup);
		(void)signal(SIGTERM, cleanup);
		(void)signal(SIGHUP, cleanup);
	} else {
		(void)signal(SIGALRM, die);
		alarm(TIMEOUT);
	}

	openlog("rpc.sprayd", LOG_PID, LOG_DAEMON);

	if (from_inetd) {
		transp = svc_dg_create(0, 0, 0);
		if (transp == NULL) {
			syslog(LOG_ERR, "cannot create udp service.");
			exit(1);
		}
		if (!svc_reg(transp, SPRAYPROG, SPRAYVERS, spray_service,
		    NULL)) {
			syslog(LOG_ERR,
			    "unable to register (SPRAYPROG, SPRAYVERS).");
			exit(1);
		}
	} else {
		if (!svc_create(spray_service, SPRAYPROG, SPRAYVERS, "udp")) {
			syslog(LOG_ERR,
			    "unable to register (SPRAYPROG, SPRAYVERS).");
			exit(1);
		}
	}

	svc_run();
	syslog(LOG_ERR, "svc_run returned");
	exit(1);
}


static void
spray_service(struct svc_req *rqstp, SVCXPRT *transp)
{
	static spraycumul scum;
	static struct timeval clear, get;

	switch (rqstp->rq_proc) {
	case SPRAYPROC_CLEAR:
		scum.counter = 0;
		(void)gettimeofday(&clear, 0);
		/*FALLTHROUGH*/

	case NULLPROC:
		(void)svc_sendreply(transp, xdr_void, (char *)NULL);
		return;

	case SPRAYPROC_SPRAY:
		scum.counter++;
		return;

	case SPRAYPROC_GET:
		(void)gettimeofday(&get, 0);
		timersub(&get, &clear, &get);
		scum.clock.sec = get.tv_sec;
		scum.clock.usec = get.tv_usec;
		break;

	default:
		svcerr_noproc(transp);
		return;
	}

	if (!svc_sendreply(transp, xdr_spraycumul, (caddr_t)&scum)) {
		svcerr_systemerr(transp);
		syslog(LOG_WARNING, "bad svc_sendreply");
	}
}