1 
2 /*
3  * <krb5/locate_plugin.h>
4  *
5  * Copyright 2006 Massachusetts Institute of Technology.
6  * All Rights Reserved.
7  *
8  * Export of this software from the United States of America may
9  *   require a specific license from the United States Government.
10  *   It is the responsibility of any person or organization contemplating
11  *   export to obtain such a license before exporting.
12  *
13  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
14  * distribute this software and its documentation for any purpose and
15  * without fee is hereby granted, provided that the above copyright
16  * notice appear in all copies and that both that copyright notice and
17  * this permission notice appear in supporting documentation, and that
18  * the name of M.I.T. not be used in advertising or publicity pertaining
19  * to distribution of the software without specific, written prior
20  * permission.	Furthermore if you modify this software you must label
21  * your software as modified software and not distribute it in such a
22  * fashion that it might be confused with the original M.I.T. software.
23  * M.I.T. makes no representations about the suitability of
24  * this software for any purpose.  It is provided "as is" without express
25  * or implied warranty.
26  *
27  *
28  * Service location plugin definitions for Kerberos 5.
29  */
30 
31 #ifndef KRB5_LOCATE_PLUGIN_H_INCLUDED
32 #define KRB5_LOCATE_PLUGIN_H_INCLUDED
33 #include <krb5.h>
34 
35 enum locate_service_type {
36     locate_service_kdc = 1,
37     locate_service_master_kdc,
38     locate_service_kadmin,
39     locate_service_krb524,
40     locate_service_kpasswd
41 };
42 
43 typedef struct krb5plugin_service_locate_ftable {
44     int minor_version;		/* currently 0 */
45     /* Per-context setup and teardown.  Returned void* blob is
46        private to the plugin.  */
47     krb5_error_code (*init)(krb5_context, void **);
48     void (*fini)(void *);
49     /* Callback function returns non-zero if the plugin function
50        should quit and return; this may be because of an error, or may
51        indicate we've already contacted the service, whatever.  The
52        lookup function should only return an error if it detects a
53        problem, not if the callback function tells it to quit.  */
54     krb5_error_code (*lookup)(void *,
55 			      enum locate_service_type svc, const char *realm,
56 			      int socktype, int family,
57 			      int (*cbfunc)(void *,int,struct sockaddr *),
58 			      void *cbdata);
59 } krb5plugin_service_locate_ftable;
60 /* extern krb5plugin_service_locate_ftable service_locator; */
61 #endif
62