1/*
2 * EAP server/peer: Shared EAP definitions
3 * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9#ifndef EAP_DEFS_H
10#define EAP_DEFS_H
11
12/* RFC 3748 - Extensible Authentication Protocol (EAP) */
13
14#ifdef _MSC_VER
15#pragma pack(push, 1)
16#endif /* _MSC_VER */
17
18struct eap_hdr {
19	u8 code;
20	u8 identifier;
21	be16 length; /* including code and identifier; network byte order */
22	/* followed by length-4 octets of data */
23} STRUCT_PACKED;
24
25#ifdef _MSC_VER
26#pragma pack(pop)
27#endif /* _MSC_VER */
28
29enum { EAP_CODE_REQUEST = 1, EAP_CODE_RESPONSE = 2, EAP_CODE_SUCCESS = 3,
30       EAP_CODE_FAILURE = 4 };
31
32/* EAP Request and Response data begins with one octet Type. Success and
33 * Failure do not have additional data. */
34
35/*
36 * EAP Method Types as allocated by IANA:
37 * http://www.iana.org/assignments/eap-numbers
38 */
39typedef enum {
40	EAP_TYPE_NONE = 0,
41	EAP_TYPE_IDENTITY = 1 /* RFC 3748 */,
42	EAP_TYPE_NOTIFICATION = 2 /* RFC 3748 */,
43	EAP_TYPE_NAK = 3 /* Response only, RFC 3748 */,
44	EAP_TYPE_MD5 = 4, /* RFC 3748 */
45	EAP_TYPE_OTP = 5 /* RFC 3748 */,
46	EAP_TYPE_GTC = 6, /* RFC 3748 */
47	EAP_TYPE_TLS = 13 /* RFC 2716 */,
48	EAP_TYPE_LEAP = 17 /* Cisco proprietary */,
49	EAP_TYPE_SIM = 18 /* RFC 4186 */,
50	EAP_TYPE_TTLS = 21 /* RFC 5281 */,
51	EAP_TYPE_AKA = 23 /* RFC 4187 */,
52	EAP_TYPE_PEAP = 25 /* draft-josefsson-pppext-eap-tls-eap-06.txt */,
53	EAP_TYPE_MSCHAPV2 = 26 /* draft-kamath-pppext-eap-mschapv2-00.txt */,
54	EAP_TYPE_TLV = 33 /* draft-josefsson-pppext-eap-tls-eap-07.txt */,
55	EAP_TYPE_TNC = 38 /* TNC IF-T v1.0-r3; note: tentative assignment;
56			   * type 38 has previously been allocated for
57			   * EAP-HTTP Digest, (funk.com) */,
58	EAP_TYPE_FAST = 43 /* RFC 4851 */,
59	EAP_TYPE_PAX = 46 /* RFC 4746 */,
60	EAP_TYPE_PSK = 47 /* RFC 4764 */,
61	EAP_TYPE_SAKE = 48 /* RFC 4763 */,
62	EAP_TYPE_IKEV2 = 49 /* RFC 5106 */,
63	EAP_TYPE_AKA_PRIME = 50 /* RFC 5448 */,
64	EAP_TYPE_GPSK = 51 /* RFC 5433 */,
65	EAP_TYPE_PWD = 52 /* RFC 5931 */,
66	EAP_TYPE_EXPANDED = 254 /* RFC 3748 */
67} EapType;
68
69
70/* SMI Network Management Private Enterprise Code for vendor specific types */
71enum {
72	EAP_VENDOR_IETF = 0,
73	EAP_VENDOR_MICROSOFT = 0x000137 /* Microsoft */,
74	EAP_VENDOR_WFA = 0x00372A /* Wi-Fi Alliance */,
75	EAP_VENDOR_HOSTAP = 39068 /* hostapd/wpa_supplicant project */
76};
77
78#define EAP_VENDOR_UNAUTH_TLS EAP_VENDOR_HOSTAP
79#define EAP_VENDOR_TYPE_UNAUTH_TLS 1
80
81#define EAP_MSK_LEN 64
82#define EAP_EMSK_LEN 64
83
84#endif /* EAP_DEFS_H */
85