1/*
2 * EAP server/peer: Shared EAP definitions
3 * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15#ifndef EAP_DEFS_H
16#define EAP_DEFS_H
17
18/* RFC 3748 - Extensible Authentication Protocol (EAP) */
19
20#ifdef _MSC_VER
21#pragma pack(push, 1)
22#endif /* _MSC_VER */
23
24struct eap_hdr {
25	u8 code;
26	u8 identifier;
27	be16 length; /* including code and identifier; network byte order */
28	/* followed by length-4 octets of data */
29} STRUCT_PACKED;
30
31#ifdef _MSC_VER
32#pragma pack(pop)
33#endif /* _MSC_VER */
34
35enum { EAP_CODE_REQUEST = 1, EAP_CODE_RESPONSE = 2, EAP_CODE_SUCCESS = 3,
36       EAP_CODE_FAILURE = 4 };
37
38/* EAP Request and Response data begins with one octet Type. Success and
39 * Failure do not have additional data. */
40
41/*
42 * EAP Method Types as allocated by IANA:
43 * http://www.iana.org/assignments/eap-numbers
44 */
45typedef enum {
46	EAP_TYPE_NONE = 0,
47	EAP_TYPE_IDENTITY = 1 /* RFC 3748 */,
48	EAP_TYPE_NOTIFICATION = 2 /* RFC 3748 */,
49	EAP_TYPE_NAK = 3 /* Response only, RFC 3748 */,
50	EAP_TYPE_MD5 = 4, /* RFC 3748 */
51	EAP_TYPE_OTP = 5 /* RFC 3748 */,
52	EAP_TYPE_GTC = 6, /* RFC 3748 */
53	EAP_TYPE_TLS = 13 /* RFC 2716 */,
54	EAP_TYPE_LEAP = 17 /* Cisco proprietary */,
55	EAP_TYPE_SIM = 18 /* RFC 4186 */,
56	EAP_TYPE_TTLS = 21 /* RFC 5281 */,
57	EAP_TYPE_AKA = 23 /* RFC 4187 */,
58	EAP_TYPE_PEAP = 25 /* draft-josefsson-pppext-eap-tls-eap-06.txt */,
59	EAP_TYPE_MSCHAPV2 = 26 /* draft-kamath-pppext-eap-mschapv2-00.txt */,
60	EAP_TYPE_TLV = 33 /* draft-josefsson-pppext-eap-tls-eap-07.txt */,
61	EAP_TYPE_TNC = 38 /* TNC IF-T v1.0-r3; note: tentative assignment;
62			   * type 38 has previously been allocated for
63			   * EAP-HTTP Digest, (funk.com) */,
64	EAP_TYPE_FAST = 43 /* RFC 4851 */,
65	EAP_TYPE_PAX = 46 /* RFC 4746 */,
66	EAP_TYPE_PSK = 47 /* RFC 4764 */,
67	EAP_TYPE_SAKE = 48 /* RFC 4763 */,
68	EAP_TYPE_IKEV2 = 49 /* RFC 5106 */,
69	EAP_TYPE_AKA_PRIME = 50 /* draft-arkko-eap-aka-kdf-10.txt */,
70	EAP_TYPE_GPSK = 51 /* RFC 5433 */,
71	EAP_TYPE_EXPANDED = 254 /* RFC 3748 */
72} EapType;
73
74
75/* SMI Network Management Private Enterprise Code for vendor specific types */
76enum {
77	EAP_VENDOR_IETF = 0,
78	EAP_VENDOR_MICROSOFT = 0x000137 /* Microsoft */,
79	EAP_VENDOR_WFA = 0x00372A /* Wi-Fi Alliance */
80};
81
82#define EAP_MSK_LEN 64
83#define EAP_EMSK_LEN 64
84
85#endif /* EAP_DEFS_H */
86