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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/*
* Copyright (C) 2012 Tobias Brunner
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005 Jan Hutter
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
/**
* @defgroup eap_payload eap_payload
* @{ @ingroup payloads
*/
#ifndef EAP_PAYLOAD_H_
#define EAP_PAYLOAD_H_
typedef struct eap_payload_t eap_payload_t;
#include <library.h>
#include <eap/eap.h>
#include <encoding/payloads/payload.h>
/**
* Class representing an IKEv2 EAP payload.
*
* The EAP payload format is described in RFC section 3.16.
*/
struct eap_payload_t {
/**
* The payload_t interface.
*/
payload_t payload_interface;
/**
* Set the contained EAP data.
*
* This contains the FULL EAP message starting with "code".
* Chunk gets cloned.
*
* @param message EAP data
*/
void (*set_data) (eap_payload_t *this, chunk_t data);
/**
* Get the contained EAP data.
*
* This contains the FULL EAP message starting with "code".
*
* @return EAP data (pointer to internal data)
*/
chunk_t (*get_data) (eap_payload_t *this);
/**
* Get the EAP code.
*
* @return EAP message as chunk_t
*/
eap_code_t (*get_code) (eap_payload_t *this);
/**
* Get the EAP identifier.
*
* @return unique identifier
*/
u_int8_t (*get_identifier) (eap_payload_t *this);
/**
* Get the EAP method type.
*
* @param vendor pointer receiving vendor identifier
* @return EAP method type, vendor specific if vendor != 0
*/
eap_type_t (*get_type) (eap_payload_t *this, u_int32_t *vendor);
/**
* Enumerate the EAP method types contained in an EAP-Nak (i.e. get_type()
* returns EAP_NAK).
*
* @return enumerator over (eap_type_t type, u_int32_t vendor)
*/
enumerator_t* (*get_types) (eap_payload_t *this);
/**
* Check if the EAP method type is encoded in the Expanded Type format.
*
* @return TRUE if in Expanded Type format
*/
bool (*is_expanded) (eap_payload_t *this);
/**
* Destroys an eap_payload_t object.
*/
void (*destroy) (eap_payload_t *this);
};
/**
* Creates an empty eap_payload_t object.
*
* @return eap_payload_t object
*/
eap_payload_t *eap_payload_create(void);
/**
* Creates an eap_payload_t object with data.
*
* @param data data, gets cloned
* @return eap_payload_t object
*/
eap_payload_t *eap_payload_create_data(chunk_t data);
/**
* Creates an eap_payload_t object with data, owning the data.
*
* @param data data on heap, gets owned and freed
* @return eap_payload_t object
*/
eap_payload_t *eap_payload_create_data_own(chunk_t data);
/**
* Creates an eap_payload_t object with a code.
*
* Could should be either EAP_SUCCESS/EAP_FAILURE, use
* constructor above otherwise.
*
* @param code EAP status code
* @param identifier EAP identifier to use in payload
* @return eap_payload_t object
*/
eap_payload_t *eap_payload_create_code(eap_code_t code, u_int8_t identifier);
/**
* Creates an eap_payload_t EAP_RESPONSE containing an EAP_NAK.
*
* @param identifier EAP identifier to use in payload
* @param type preferred auth type, 0 to send all supported types
* @param vendor vendor identifier for auth type, 0 for default
* @param expanded TRUE to send an expanded Nak
* @return eap_payload_t object
*/
eap_payload_t *eap_payload_create_nak(u_int8_t identifier, eap_type_t type,
u_int32_t vendor, bool expanded);
#endif /** EAP_PAYLOAD_H_ @}*/
|
