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      1 /*
      2  * EAP server/peer: Shared EAP definitions
      3  * Copyright (c) 2004-2006, Jouni Malinen <j (at) 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 
     24 struct eap_hdr {
     25 	u8 code;
     26 	u8 identifier;
     27 	u16 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 
     35 enum { 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 typedef enum {
     42 	EAP_TYPE_NONE = 0,
     43 	EAP_TYPE_IDENTITY = 1 /* RFC 3748 */,
     44 	EAP_TYPE_NOTIFICATION = 2 /* RFC 3748 */,
     45 	EAP_TYPE_NAK = 3 /* Response only, RFC 3748 */,
     46 	EAP_TYPE_MD5 = 4, /* RFC 3748 */
     47 	EAP_TYPE_OTP = 5 /* RFC 3748 */,
     48 	EAP_TYPE_GTC = 6, /* RFC 3748 */
     49 	EAP_TYPE_TLS = 13 /* RFC 2716 */,
     50 	EAP_TYPE_LEAP = 17 /* Cisco proprietary */,
     51 	EAP_TYPE_SIM = 18 /* RFC 4186 */,
     52 	EAP_TYPE_TTLS = 21 /* draft-ietf-pppext-eap-ttls-02.txt */,
     53 	EAP_TYPE_AKA = 23 /* RFC 4187 */,
     54 	EAP_TYPE_PEAP = 25 /* draft-josefsson-pppext-eap-tls-eap-06.txt */,
     55 	EAP_TYPE_MSCHAPV2 = 26 /* draft-kamath-pppext-eap-mschapv2-00.txt */,
     56 	EAP_TYPE_TLV = 33 /* draft-josefsson-pppext-eap-tls-eap-07.txt */,
     57 	EAP_TYPE_FAST = 43 /* draft-cam-winget-eap-fast-05.txt */,
     58 	EAP_TYPE_PAX = 46 /* RFC 4746 */,
     59 	EAP_TYPE_PSK = 47 /* RFC 4764 */,
     60 	EAP_TYPE_SAKE = 48 /* RFC 4763 */,
     61 	EAP_TYPE_EXPANDED = 254 /* RFC 3748 */,
     62 	EAP_TYPE_GPSK = 255 /* EXPERIMENTAL - type not yet allocated
     63 			     * draft-ietf-emu-eap-gpsk-01.txt */
     64 } EapType;
     65 
     66 
     67 /* SMI Network Management Private Enterprise Code for vendor specific types */
     68 enum {
     69 	EAP_VENDOR_IETF = 0
     70 };
     71 
     72 #define EAP_MSK_LEN 64
     73 #define EAP_EMSK_LEN 64
     74 
     75 #endif /* EAP_DEFS_H */
     76