1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
5 * Authors: Doug Rabson <[email protected]>
6 * Developed with Red Inc: Alfred Perlstein <[email protected]>
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 __FBSDID("$FreeBSD$");
32
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <unistd.h>
36
37 #include <rpc/rpc.h>
38 #include <rpcsvc/nlm_prot.h>
39
40 int
main(int argc,char ** argv)41 main(int argc, char **argv)
42 {
43 enum clnt_stat stat;
44 char *hostname;
45 nlm4_notify notify;
46
47 if (argc != 2) {
48 fprintf(stderr, "Usage: clear_locks <hostname>\n");
49 exit(1);
50 }
51 hostname = argv[1];
52
53 if (geteuid() != 0) {
54 fprintf(stderr, "clear_locks: must be root\n");
55 exit(1);
56 }
57
58 notify.name = hostname;
59 notify.state = 0;
60 stat = rpc_call("localhost", NLM_PROG, NLM_VERS4, NLM4_FREE_ALL,
61 (xdrproc_t) xdr_nlm4_notify, (void *) ¬ify,
62 (xdrproc_t) xdr_void, NULL, NULL);
63
64 if (stat != RPC_SUCCESS) {
65 clnt_perrno(stat);
66 exit(1);
67 }
68 fprintf(stderr, "clear_locks: cleared locks for hostname %s\n",
69 hostname);
70
71 return (0);
72 }
73