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
main(int argc,char ** argv)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