freebsd-dev/usr.bin/keylogout/keylogout.c

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/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user or with the express written consent of
* Sun Microsystems, Inc.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
/*
* Copyright (C) 1986, Sun Microsystems, Inc.
*/
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#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*
* unset the secret key on local machine
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <rpc/key_prot.h>
int
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main(int argc, char **argv)
{
static char secret[HEXKEYBYTES + 1];
if (geteuid() == 0) {
if ((argc != 2 ) || (strcmp(argv[1], "-f") != 0)) {
fprintf(stderr,
"keylogout by root would break all servers that use secure rpc!\n");
fprintf(stderr,
"root may use keylogout -f to do this (at your own risk)!\n");
exit(1);
}
}
if (key_setsecret(secret) < 0) {
fprintf(stderr, "Could not unset your secret key.\n");
fprintf(stderr, "Maybe the keyserver is down?\n");
exit(1);
}
exit(0);
/* NOTREACHED */
}