1  /*
 2   * Copyright (c) 2006 Kungliga Tekniska Högskolan
 3   * (Royal Institute of Technology, Stockholm, Sweden).
 4   * All rights reserved.
 5   *
 6   * Redistribution and use in source and binary forms, with or without
 7   * modification, are permitted provided that the following conditions
 8   * are met:
 9   *
10   * 1. Redistributions of source code must retain the above copyright
11   *    notice, this list of conditions and the following disclaimer.
12   *
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.
16   *
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.
20   *
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
25   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31   * SUCH DAMAGE.
32   */
33  
34  /* $Id$ */
35  
36  #ifndef HEIMDAL_KRB5_PAC_PLUGIN_H
37  #define HEIMDAL_KRB5_PAC_PLUGIN_H 1
38  
39  #include <krb5.h>
40  
41  /*
42   * The PAC generate function should allocate a krb5_pac using
43   * krb5_pac_init and fill in the PAC structure for the principal using
44   * krb5_pac_add_buffer.
45   *
46   * The PAC verify function should verify all components in the PAC
47   * using krb5_pac_get_types and krb5_pac_get_buffer for all types.
48   *
49   * Check client access function check if the client is authorized.
50   */
51  
52  struct hdb_entry_ex;
53  struct krb5_kdc_configuration;
54  
55  typedef krb5_error_code
56  (*krb5plugin_windc_pac_generate)(void *, krb5_context,
57  				 struct hdb_entry_ex *, krb5_pac *);
58  
59  typedef krb5_error_code
60  (*krb5plugin_windc_pac_verify)(void *, krb5_context,
61  			       const krb5_principal, /* new ticket client */
62  			       const krb5_principal, /* delegation proxy */
63  			       struct hdb_entry_ex *,/* client */
64  			       struct hdb_entry_ex *,/* server */
65  			       struct hdb_entry_ex *,/* krbtgt */
66  			       krb5_pac *);
67  
68  typedef krb5_error_code
69  (*krb5plugin_windc_client_access)(
70  	void *, krb5_context,
71  	struct krb5_kdc_configuration *config,
72  	struct hdb_entry_ex *, const char *, 
73  	struct hdb_entry_ex *, const char *, 
74  	KDC_REQ *, METHOD_DATA *);
75  
76  
77  #define KRB5_WINDC_PLUGIN_MINOR			6
78  #define KRB5_WINDC_PLUGING_MINOR KRB5_WINDC_PLUGIN_MINOR
79  
80  typedef struct krb5plugin_windc_ftable {
81      int			minor_version;
82      krb5_error_code	(*init)(krb5_context, void **);
83      void		(*fini)(void *);
84      krb5plugin_windc_pac_generate	pac_generate;
85      krb5plugin_windc_pac_verify		pac_verify;
86      krb5plugin_windc_client_access	client_access;
87  } krb5plugin_windc_ftable;
88  
89  #endif /* HEIMDAL_KRB5_PAC_PLUGIN_H */
90