xref: /titanic_52/usr/src/lib/krb5/plugins/preauth/pkinit/pkinit_accessor.c (revision 159d09a20817016f09b3ea28d1bdada4a336bb91)
1 /*
2  * COPYRIGHT (C) 2006,2007
3  * THE REGENTS OF THE UNIVERSITY OF MICHIGAN
4  * ALL RIGHTS RESERVED
5  *
6  * Permission is granted to use, copy, create derivative works
7  * and redistribute this software and such derivative works
8  * for any purpose, so long as the name of The University of
9  * Michigan is not used in any advertising or publicity
10  * pertaining to the use of distribution of this software
11  * without specific, written prior authorization.  If the
12  * above copyright notice or any other identification of the
13  * University of Michigan is included in any copy of any
14  * portion of this software, then the disclaimer below must
15  * also be included.
16  *
17  * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION
18  * FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY
19  * PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF
20  * MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
21  * WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
22  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
23  * REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE
24  * FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR
25  * CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING
26  * OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
27  * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGES.
29  */
30 
31 #include <k5-int.h>
32 #include "pkinit_accessor.h"
33 
34 #define DEF_FUNC_PTRS(type) \
35 krb5_error_code (*k5int_encode_##type)(const type *, krb5_data **); \
36 krb5_error_code (*k5int_decode_##type)(const krb5_data *, type **)
37 
38 #define DEF_FUNC_PTRS_ARRAY(type) \
39 krb5_error_code (*k5int_encode_##type)(const type **, krb5_data **); \
40 krb5_error_code (*k5int_decode_##type)(const krb5_data *, type ***)
41 
42 DEF_FUNC_PTRS(krb5_auth_pack);
43 DEF_FUNC_PTRS(krb5_auth_pack_draft9);
44 DEF_FUNC_PTRS(krb5_kdc_dh_key_info);
45 DEF_FUNC_PTRS(krb5_pa_pk_as_rep);
46 DEF_FUNC_PTRS(krb5_pa_pk_as_rep_draft9);
47 DEF_FUNC_PTRS(krb5_pa_pk_as_req);
48 DEF_FUNC_PTRS(krb5_pa_pk_as_req_draft9);
49 DEF_FUNC_PTRS(krb5_reply_key_pack);
50 DEF_FUNC_PTRS(krb5_reply_key_pack_draft9);
51 DEF_FUNC_PTRS_ARRAY(krb5_typed_data);
52 
53 /* special cases... */
54 krb5_error_code (*k5int_decode_krb5_principal_name)
55 	(const krb5_data *, krb5_principal_data **);
56 
57 krb5_error_code (*k5int_encode_krb5_td_dh_parameters)
58 	(const krb5_algorithm_identifier **, krb5_data **code);
59 krb5_error_code (*k5int_decode_krb5_td_dh_parameters)
60 	(const krb5_data *, krb5_algorithm_identifier ***);
61 
62 krb5_error_code (*k5int_encode_krb5_td_trusted_certifiers)
63 	(const krb5_external_principal_identifier **, krb5_data **code);
64 krb5_error_code (*k5int_decode_krb5_td_trusted_certifiers)
65 	(const krb5_data *, krb5_external_principal_identifier ***);
66 
67 krb5_error_code (*k5int_decode_krb5_as_req)
68 	(const krb5_data *output, krb5_kdc_req **rep);
69 krb5_error_code (*k5int_encode_krb5_kdc_req_body)
70 	(const krb5_kdc_req *rep, krb5_data **code);
71 void KRB5_CALLCONV (*k5int_krb5_free_kdc_req)
72 	(krb5_context, krb5_kdc_req * );
73 void (*k5int_set_prompt_types)
74 	(krb5_context, krb5_prompt_type *);
75 krb5_error_code (*k5int_encode_krb5_authdata_elt)
76 	(const krb5_authdata *rep, krb5_data **code);
77 
78 
79 
80 /*
81  * Grab internal function pointers from the krb5int_accessor
82  * structure and make them available
83  */
84 krb5_error_code
85 pkinit_accessor_init(void)
86 {
87     krb5_error_code retval;
88     krb5int_access k5int;
89 
90     retval = krb5int_accessor(&k5int, KRB5INT_ACCESS_VERSION);
91     if (retval)
92 	return retval;
93 #define SET_PTRS(type) \
94 k5int_encode_##type = k5int.encode_##type; \
95 k5int_decode_##type = k5int.decode_##type;
96 
97     SET_PTRS(krb5_auth_pack);
98     SET_PTRS(krb5_auth_pack_draft9);
99     SET_PTRS(krb5_kdc_dh_key_info);
100     SET_PTRS(krb5_pa_pk_as_rep);
101     SET_PTRS(krb5_pa_pk_as_rep_draft9);
102     SET_PTRS(krb5_pa_pk_as_req);
103     SET_PTRS(krb5_pa_pk_as_req_draft9);
104     SET_PTRS(krb5_reply_key_pack);
105     SET_PTRS(krb5_reply_key_pack_draft9);
106     SET_PTRS(krb5_td_dh_parameters);
107     SET_PTRS(krb5_td_trusted_certifiers);
108     SET_PTRS(krb5_typed_data);
109 
110     /* special cases... */
111     k5int_decode_krb5_principal_name = k5int.decode_krb5_principal_name;
112     k5int_decode_krb5_as_req = k5int.decode_krb5_as_req;
113     k5int_encode_krb5_kdc_req_body = k5int.encode_krb5_kdc_req_body;
114     k5int_krb5_free_kdc_req = k5int.krb5_free_kdc_req;
115     k5int_set_prompt_types = k5int.krb5int_set_prompt_types;
116     k5int_encode_krb5_authdata_elt = k5int.encode_krb5_authdata_elt;
117     return 0;
118 }
119