1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29
30 /*
31 * University Copyright- Copyright (c) 1982, 1986, 1988
32 * The Regents of the University of California
33 * All Rights Reserved
34 *
35 * University Acknowledgment- Portions of this document are derived from
36 * software developed by the University of California, Berkeley, and its
37 * contributors.
38 */
39
40 /*
41 * unset the secret key on local machine
42 */
43 #include <stdio.h>
44 #include <rpc/rpc.h>
45 #include <rpc/key_prot.h>
46 #include <nfs/nfs.h>
47 #include <nfs/nfssys.h>
48
49 extern int key_removesecret_g();
50
51 /* for revoking kernel NFS credentials */
52 struct nfs_revauth_args nra;
53
54 int
main(int argc,char * argv[])55 main(int argc, char *argv[])
56 {
57 static char secret[HEXKEYBYTES + 1];
58 int err = 0;
59
60 if (geteuid() == 0) {
61 if ((argc != 2) || (strcmp(argv[1], "-f") != 0)) {
62 fprintf(stderr,
63 "keylogout by root would break the rpc services that");
64 fprintf(stderr, " use secure rpc on this host!\n");
65 fprintf(stderr,
66 "root may use keylogout -f to do this (at your own risk)!\n");
67 exit(-1);
68 }
69 }
70
71 if (key_removesecret_g() < 0) {
72 fprintf(stderr, "Could not unset your secret key.\n");
73 fprintf(stderr, "Maybe the keyserver is down?\n");
74 err = 1;
75 }
76 if (key_setsecret(secret) < 0) {
77 if (!err) {
78 fprintf(stderr, "Could not unset your secret key.\n");
79 fprintf(stderr, "Maybe the keyserver is down?\n");
80 err = 1;
81 }
82 }
83
84 nra.authtype = AUTH_DES; /* only revoke DES creds */
85 nra.uid = getuid(); /* use the real uid */
86 if (_nfssys(NFS_REVAUTH, &nra) < 0) {
87 perror("Warning: NFS credentials not destroyed");
88 err = 1;
89 }
90
91 return (err);
92 }
93