1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* spnego-asn1.h
*
* Copyright (C) 2002 by the Massachusetts Institute of Technology.
* All rights reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*
* This file contains structure definitions
* for the SPNEGO GSSAPI mechanism (RFC 2478). This file is
*an internal interface between the GSSAPI library and the ASN.1
*encoders/decoders for the SPNEGO structures in the krb5 library.
*/
#ifndef _KRB5_SPNEGO_ASN1_H_
#define _KRB5_SPNEGO_ASN1_h_
#include "k5-int.h"
/* Context flags recognized by SPNEGO*/
enum {
SPNEGO_DELEG_FLAG = 0x80,
SPNEGO_MUTUAL_FLAG = 0x40,
SPNEGO_ANON_FLAG=0x20,
SPNEGO_CONF_FLAG = 0x10
};
/* Results of a negotiation*/
enum {
SPNEGO_ACCEPT_COMPLETED = 0,
SPNEGO_ACCEPT_INCOMPLETE = 1,
SPNEGO_REJECT = 2,
SPNEGO_UNSPEC_RESULT = 3
};
typedef krb5_data spnego_oid;
typedef struct _spnego_initiator_token {
spnego_oid **mechanisms;
krb5_int32 requested_flags;
krb5_data mech_token;
krb5_data mechlist_mic;
} spnego_initiator_token;
typedef struct _spnego_acceptor_token {
int neg_result;
spnego_oid supported_mech;
krb5_data response_token;
krb5_data mechlist_mic;
} spnego_acceptor_token;
/*
* SPNEGO_PROTOTYPES should be defined in the modules implementing
* SPNEGO functions and in the module implementing the accessor
* initializer. All other modules should access these functions
* through the accessor interface.
*/
#ifdef SPNEGO_PROTOTYPES
krb5_error_code krb5int_encode_spnego_acceptor_token
(krb5_context , spnego_acceptor_token *,
krb5_data **);
krb5_error_code krb5int_encode_spnego_initiator_token
(krb5_context, spnego_initiator_token *,
krb5_data **out);
#endif /*SPNEGO_ASN1_PROTOTYPES*/
#endif /*_KRB5_SPNEGO_ASN1_H_*/
|