text: /*-
   * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
   * Authors: Doug Rabson <dfr@rabson.org>
   * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
   *
   * 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.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
   */
  
  #include <sys/cdefs.h>
  __FBSDID("$FreeBSD: soc2013/dpl/head/usr.sbin/clear_locks/clear_locks.c 177676 2008-03-26 15:23:12Z dfr $");
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <unistd.h>
  
  #include <rpc/rpc.h>
  #include <rpcsvc/nlm_prot.h>
  
  int
  main(int argc, char **argv)
  {
  	enum clnt_stat stat;
  	char *hostname;
  	nlm4_notify notify;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: clear_locks <hostname>\n");
  		exit(1);
  	}
  	hostname = argv[1];
  
  	if (geteuid() != 0) {
  		fprintf(stderr, "clear_locks: must be root\n");
  		exit(1);
  	}
  
  	notify.name = hostname;
  	notify.state = 0;
  	stat = rpc_call("localhost", NLM_PROG, NLM_VERS4, NLM4_FREE_ALL,
  	    (xdrproc_t) xdr_nlm4_notify, (void *) &notify,
  	    (xdrproc_t) xdr_void, NULL, NULL);
  
  	if (stat != RPC_SUCCESS) {
  		clnt_perrno(stat);
  		exit(1);
  	}
  	fprintf(stderr, "clear_locks: cleared locks for hostname %s\n",
  	    hostname);
  
  	return (0);
  }
  