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/*
* $Source$
* $Author$
*
* Copyright 1990 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America is assumed
* to require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*
* Store the master database key in a file.
*/
#if !defined(lint) && !defined(SABER)
static char rcsid_kdb_stash_c[] =
"$Id$";
#endif /* !lint & !SABER */
#include <krb5/krb5.h>
#include <krb5/kdb.h>
#include <krb5/kdb_dbm.h>
#include <krb5/ext-proto.h>
#include <krb5/los-proto.h>
#include <krb5/sysincl.h>
#include <krb5/osconf.h>
#include <com_err.h>
#include <stdio.h>
extern int errno;
krb5_keyblock master_keyblock;
krb5_principal master_princ;
krb5_encrypt_block master_encblock;
static void
usage(who, status)
char *who;
int status;
{
fprintf(stderr, "usage: %s [-d dbpathname] [-r realmname] [-k keytype]\n\
\t[-e etype] [-M mkeyname] [-f keyfile]\n",
who);
exit(status);
}
void
main(argc, argv)
int argc;
char *argv[];
{
extern char *optarg;
int optchar;
krb5_error_code retval;
char *dbname = DEFAULT_KDB_FILE;
char *realm = 0;
char *mkey_name = 0;
char *mkey_fullname;
char *keyfile = 0;
int keytypedone = 0;
krb5_enctype etype = 0xffff;
if (strrchr(argv[0], '/'))
argv[0] = strrchr(argv[0], '/')+1;
initialize_krb5_error_table();
initialize_kdb5_error_table();
initialize_isod_error_table();
while ((optchar = getopt(argc, argv, "d:r:k:M:e:f:")) != EOF) {
switch(optchar) {
case 'd': /* set db name */
dbname = optarg;
break;
case 'r':
realm = optarg;
break;
case 'k':
master_keyblock.keytype = atoi(optarg);
keytypedone++;
break;
case 'M': /* master key name in DB */
mkey_name = optarg;
break;
case 'e':
etype = atoi(optarg);
break;
case 'f':
keyfile = optarg;
break;
case '?':
default:
usage(argv[0], 1);
/*NOTREACHED*/
}
}
if (!keytypedone)
master_keyblock.keytype = DEFAULT_KDC_KEYTYPE;
if (!valid_keytype(master_keyblock.keytype)) {
com_err(argv[0], KRB5_PROG_KEYTYPE_NOSUPP,
"while setting up keytype %d", master_keyblock.keytype);
exit(1);
}
if (etype == 0xffff)
etype = DEFAULT_KDC_ETYPE;
if (!valid_etype(etype)) {
com_err(argv[0], KRB5_PROG_ETYPE_NOSUPP,
"while setting up etype %d", etype);
exit(1);
}
krb5_use_cstype(&master_encblock, etype);
if (retval = krb5_db_set_name(dbname)) {
com_err(argv[0], retval, "while setting active database to '%s'",
dbname);
exit(1);
}
if (!realm) {
if (retval = krb5_get_default_realm(&realm)) {
com_err(argv[0], retval, "while retrieving default realm name");
exit(1);
}
}
/* assemble & parse the master key name */
if (retval = krb5_db_setup_mkey_name(mkey_name, realm, &mkey_fullname,
&master_princ)) {
com_err(argv[0], retval, "while setting up master key name");
exit(1);
}
if (retval = krb5_db_init()) {
com_err(argv[0], retval, "while initializing the database '%s'",
dbname);
exit(1);
}
/* TRUE here means read the keyboard, but only once */
if (retval = krb5_db_fetch_mkey(master_princ, &master_encblock, TRUE,
FALSE, 0, &master_keyblock)) {
com_err(argv[0], retval, "while reading master key");
(void) krb5_db_fini();
exit(1);
}
if (retval = krb5_db_verify_master_key(master_princ, &master_keyblock,
&master_encblock)) {
com_err(argv[0], retval, "while verifying master key");
(void) krb5_db_fini();
exit(1);
}
if (retval = krb5_db_store_mkey(keyfile, master_princ, &master_keyblock)) {
com_err(argv[0], errno, "while storing key");
memset((char *)master_keyblock.contents, 0, master_keyblock.length);
(void) krb5_db_fini();
exit(1);
}
memset((char *)master_keyblock.contents, 0, master_keyblock.length);
if (retval = krb5_db_fini()) {
com_err(argv[0], retval, "closing database '%s'", dbname);
exit(1);
}
exit(0);
}
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