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
35 int
against_local_policy_as(register krb5_kdc_req * request,krb5_db_entry client,krb5_db_entry server,krb5_timestamp kdc_time,const char ** status)36 against_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 */
54 krb5_error_code
against_local_policy_tgs(register krb5_kdc_req * request,krb5_db_entry server,krb5_ticket * ticket,const char ** status)55 against_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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