1/*
2 * kdc/policy.c
3 *
4 * Copyright 1990 by the Massachusetts Institute of Technology.
5 *
6 * Export of this software from the United States of America may
7 *   require a specific license from the United States Government.
8 *   It is the responsibility of any person or organization contemplating
9 *   export to obtain such a license before exporting.
10 *
11 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
12 * distribute this software and its documentation for any purpose and
13 * without fee is hereby granted, provided that the above copyright
14 * notice appear in all copies and that both that copyright notice and
15 * this permission notice appear in supporting documentation, and that
16 * the name of M.I.T. not be used in advertising or publicity pertaining
17 * to distribution of the software without specific, written prior
18 * permission.  Furthermore if you modify this software you must label
19 * your software as modified software and not distribute it in such a
20 * fashion that it might be confused with the original M.I.T. software.
21 * M.I.T. makes no representations about the suitability of
22 * this software for any purpose.  It is provided "as is" without express
23 * or implied warranty.
24 *
25 *
26 * Policy decision routines for KDC.
27 */
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31
32#include "k5-int.h"
33#include "kdc_util.h"
34
35int
36against_local_policy_as(register krb5_kdc_req *request, krb5_db_entry client,
37			krb5_db_entry server, krb5_timestamp kdc_time,
38			const char **status)
39{
40#if 0
41     /* An AS request must include the addresses field */
42    if (request->addresses == 0) {
43	*status = "NO ADDRESS";
44	return KRB5KDC_ERR_POLICY;
45    }
46#endif
47
48    return 0;			/* not against policy */
49}
50
51/*
52 * This is where local policy restrictions for the TGS should placed.
53 */
54krb5_error_code
55against_local_policy_tgs(register krb5_kdc_req *request, krb5_db_entry server,
56			 krb5_ticket *ticket, const char **status)
57{
58#if 0
59    /*
60     * For example, if your site wants to disallow ticket forwarding,
61     * you might do something like this:
62     */
63
64    if (isflagset(request->kdc_options, KDC_OPT_FORWARDED)) {
65	*status = "FORWARD POLICY";
66	return KRB5KDC_ERR_POLICY;
67    }
68#endif
69
70    return 0;				/* not against policy */
71}
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