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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 
18 struct 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 
29 enum { 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  */
39 typedef 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 */
71 enum {
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