2 * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * 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.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 RCSID("$Id: misc.c,v 1.32 2006/08/28 14:41:49 lha Exp $");
38 struct timeval _kdc_now
;
41 _kdc_db_fetch(krb5_context context
,
42 krb5_kdc_configuration
*config
,
43 krb5_const_principal principal
,
49 krb5_error_code ret
= HDB_ERR_NOENTRY
;
52 ent
= calloc (1, sizeof (*ent
));
56 for(i
= 0; i
< config
->num_db
; i
++) {
57 ret
= config
->db
[i
]->hdb_open(context
, config
->db
[i
], O_RDONLY
, 0);
59 kdc_log(context
, config
, 0, "Failed to open database: %s",
60 krb5_get_err_text(context
, ret
));
63 ret
= config
->db
[i
]->hdb_fetch(context
,
66 flags
| HDB_F_DECRYPT
,
68 config
->db
[i
]->hdb_close(context
, config
->db
[i
]);
81 _kdc_free_ent(krb5_context context
, hdb_entry_ex
*ent
)
83 hdb_free_entry (context
, ent
);
88 * Use the order list of preferred encryption types and sort the
89 * available keys and return the most preferred key.
93 _kdc_get_preferred_key(krb5_context context
,
94 krb5_kdc_configuration
*config
,
97 krb5_enctype
*enctype
,
100 const krb5_enctype
*p
;
104 p
= krb5_kerberos_enctypes(context
);
106 for (i
= 0; p
[i
] != ETYPE_NULL
; i
++) {
107 if (krb5_enctype_valid(context
, p
[i
]) != 0)
109 ret
= hdb_enctype2key(context
, &h
->entry
, p
[i
], key
);
116 krb5_set_error_string(context
, "No valid kerberos key found for %s", name
);