GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/rpc.lockd/lockd.c Lines: 0 71 0.0 %
Date: 2017-11-13 Branches: 0 37 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: lockd.c,v 1.14 2015/04/18 18:28:38 deraadt Exp $	*/
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/*
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 * Copyright (c) 1995
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 *	A.R. Gordon (andrew.gordon@net-tel.co.uk).  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 for the FreeBSD project
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 * 4. Neither the name of the author nor the names of any co-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 ANDREW GORDON 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 AUTHOR 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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 */
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <rpc/rpc.h>
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#include <rpc/pmap_clnt.h>
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#include <rpcsvc/sm_inter.h>
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#include "nlm_prot.h"
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#include <arpa/inet.h>
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#include <stdio.h>
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#include <syslog.h>
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#include <stdlib.h>
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#include <err.h>
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#include <errno.h>
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#include <signal.h>
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#include <limits.h>
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#include <string.h>
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#include <unistd.h>
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#include <netdb.h>
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#include "lockd.h"
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int debug_level = 0;	/* 0 = no debugging syslog() calls */
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int _rpcsvcdirty = 0;
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int grace_expired;
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void nlm_prog_0(struct svc_req *, SVCXPRT *);
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void nlm_prog_1(struct svc_req *, SVCXPRT *);
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void nlm_prog_3(struct svc_req *, SVCXPRT *);
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void nlm_prog_4(struct svc_req *, SVCXPRT *);
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static void sigalarm_handler(int);
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static void usage(void);
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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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	const char *errstr;
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	int ch;
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	struct sigaction sigchild, sigalarm;
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	int grace_period = 30;
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	while ((ch = getopt(argc, argv, "d:g:")) != (-1)) {
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		switch (ch) {
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		case 'd':
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			debug_level = strtonum(optarg, 1, INT_MAX, &errstr);
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			if (errstr) {
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				usage();
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				/* NOTREACHED */
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			}
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			break;
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		case 'g':
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			grace_period = strtonum(optarg, 1, INT_MAX, &errstr);
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			if (errstr) {
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				usage();
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				/* NOTREACHED */
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			}
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			break;
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		default:
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		case '?':
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			usage();
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			/* NOTREACHED */
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		}
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	}
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	(void) pmap_unset(NLM_PROG, NLM_SM);
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	(void) pmap_unset(NLM_PROG, NLM_VERS);
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	(void) pmap_unset(NLM_PROG, NLM_VERSX);
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	(void) pmap_unset(NLM_PROG, NLM_VERS4);
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	transp = svcudp_create(RPC_ANYSOCK);
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	if (transp == NULL) {
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		fprintf(stderr, "cannot create udp service.\n");
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		exit(1);
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	}
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	if (!svc_register(transp, NLM_PROG, NLM_SM,
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	    (void (*) (struct svc_req *, SVCXPRT *)) nlm_prog_0, IPPROTO_UDP)) {
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		fprintf(stderr, "unable to register (NLM_PROG, NLM_SM, udp).\n");
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		exit(1);
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	}
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	if (!svc_register(transp, NLM_PROG, NLM_VERS,
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	    (void (*) (struct svc_req *, SVCXPRT *)) nlm_prog_1, IPPROTO_UDP)) {
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		fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS, udp).\n");
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		exit(1);
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	}
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	if (!svc_register(transp, NLM_PROG, NLM_VERSX,
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	    (void (*) (struct svc_req *, SVCXPRT *)) nlm_prog_3, IPPROTO_UDP)) {
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		fprintf(stderr, "unable to register (NLM_PROG, NLM_VERSX, udp).\n");
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		exit(1);
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	}
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	if (!svc_register(transp, NLM_PROG, NLM_VERS4,
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	    (void (*) (struct svc_req *, SVCXPRT *)) nlm_prog_4, IPPROTO_UDP)) {
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		fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS4, udp).\n");
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		exit(1);
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	}
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	transp = svctcp_create(RPC_ANYSOCK, 0, 0);
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	if (transp == NULL) {
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		fprintf(stderr, "cannot create tcp service.\n");
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		exit(1);
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	}
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	if (!svc_register(transp, NLM_PROG, NLM_VERS,
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	    (void (*) (struct svc_req *, SVCXPRT *)) nlm_prog_1, IPPROTO_TCP)) {
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		fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS, tcp).\n");
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		exit(1);
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	}
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	if (!svc_register(transp, NLM_PROG, NLM_VERSX,
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	    (void (*) (struct svc_req *, SVCXPRT *)) nlm_prog_3, IPPROTO_TCP)) {
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		fprintf(stderr, "unable to register (NLM_PROG, NLM_VERSX, tcp).\n");
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		exit(1);
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	}
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	if (!svc_register(transp, NLM_PROG, NLM_VERS4,
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	    (void (*) (struct svc_req *, SVCXPRT *)) nlm_prog_4, IPPROTO_TCP)) {
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		fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS4, tcp).\n");
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		exit(1);
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	}
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	/*
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	 * Note that it is NOT sensible to run this program from inetd - the
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	 * protocol assumes that it will run immediately at boot time.
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	 */
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	if (daemon(0, 0) == -1) {
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		err(1, "cannot fork");
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		/* NOTREACHED */
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	}
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	openlog("rpc.lockd", 0, LOG_DAEMON);
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	if (debug_level)
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		syslog(LOG_INFO, "Starting, debug level %d", debug_level);
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	else
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		syslog(LOG_INFO, "Starting");
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	sigchild.sa_handler = sigchild_handler;
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	sigemptyset(&sigchild.sa_mask);
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	sigchild.sa_flags = SA_RESTART;
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	if (sigaction(SIGCHLD, &sigchild, NULL) != 0) {
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		syslog(LOG_WARNING, "sigaction(SIGCHLD) failed (%m)");
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		exit(1);
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	}
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	sigalarm.sa_handler = sigalarm_handler;
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	sigemptyset(&sigalarm.sa_mask);
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	sigalarm.sa_flags = SA_RESETHAND; /* should only happen once */
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	sigalarm.sa_flags |= SA_RESTART;
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	if (sigaction(SIGALRM, &sigalarm, NULL) != 0) {
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		syslog(LOG_WARNING, "sigaction(SIGALRM) failed (%m)");
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		exit(1);
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	}
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	grace_expired = 0;
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	if (alarm(10) == (unsigned int)-1) {
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		syslog(LOG_WARNING, "alarm failed (%m)");
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		exit(1);
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	}
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	svc_run();		/* Should never return */
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	return 1;
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}
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static void
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/*ARGSUSED*/
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sigalarm_handler(int s)
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{
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	grace_expired = 1;
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}
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static void
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usage()
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{
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	errx(1, "usage: rpc.lockd [-d [debug_level]] [-g grace_period]");
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}