1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2008 Isilon Inc http://www.isilon.com/ 5 * Authors: Doug Rabson <dfr@rabson.org> 6 * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <unistd.h> 34 35 #include <rpc/rpc.h> 36 #include <rpcsvc/nlm_prot.h> 37 38 int 39 main(int argc, char **argv) 40 { 41 enum clnt_stat stat; 42 char *hostname; 43 nlm4_notify notify; 44 45 if (argc != 2) { 46 fprintf(stderr, "Usage: clear_locks <hostname>\n"); 47 exit(1); 48 } 49 hostname = argv[1]; 50 51 if (geteuid() != 0) { 52 fprintf(stderr, "clear_locks: must be root\n"); 53 exit(1); 54 } 55 56 notify.name = hostname; 57 notify.state = 0; 58 stat = rpc_call("localhost", NLM_PROG, NLM_VERS4, NLM4_FREE_ALL, 59 (xdrproc_t) xdr_nlm4_notify, (void *) ¬ify, 60 (xdrproc_t) xdr_void, NULL, NULL); 61 62 if (stat != RPC_SUCCESS) { 63 clnt_perrno(stat); 64 exit(1); 65 } 66 fprintf(stderr, "clear_locks: cleared locks for hostname %s\n", 67 hostname); 68 69 return (0); 70 } 71