keylogout.c revision 32501 
1/*
2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part.  Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user or with the express written consent of
8 * Sun Microsystems, Inc.
9 *
10 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
11 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
13 *
14 * Sun RPC is provided with no support and without any obligation on the
15 * part of Sun Microsystems, Inc. to assist in its use, correction,
16 * modification or enhancement.
17 *
18 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20 * OR ANY PART THEREOF.
21 *
22 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
23 * or profits or other special, indirect and consequential damages, even if
24 * Sun has been advised of the possibility of such damages.
25 *
26 * Sun Microsystems, Inc.
27 * 2550 Garcia Avenue
28 * Mountain View, California  94043
29 */
30/*
31 * Copyright (C) 1986, Sun Microsystems, Inc.
32 */
33
34#ifndef lint
35static const char rcsid[] =
36	"$Id$";
37#endif /* not lint */
38
39/*
40 * unset the secret key on local machine
41 */
42
43#include <stdio.h>
44#include <unistd.h>
45#include <rpc/key_prot.h>
46
47int
48main(argc,argv)
49	int argc;
50	char *argv[];
51{
52	static char secret[HEXKEYBYTES + 1];
53
54	if (geteuid() == 0) {
55		if ((argc != 2 ) || (strcmp(argv[1], "-f") != 0)) {
56			fprintf(stderr,
57"keylogout by root would break all servers that use secure rpc!\n");
58			fprintf(stderr,
59"root may use keylogout -f to do this (at your own risk)!\n");
60			exit(1);
61		}
62	}
63
64	if (key_setsecret(secret) < 0) {
65		fprintf(stderr, "Could not unset your secret key.\n");
66		fprintf(stderr, "Maybe the keyserver is down?\n");
67		exit(1);
68	}
69	exit(0);
70	/* NOTREACHED */
71}
72