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/*
* Copyright (C) 2012 Tobias Brunner
* Copyright (C) 2010 Martin Willi
* Copyright (C) 2010 revosec AG
* HSR 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 leap eap
* @{ @ingroup libstrongswan
*/
#ifndef EAP_H_
#define EAP_H_
typedef enum eap_code_t eap_code_t;
typedef enum eap_type_t eap_type_t;
typedef struct eap_vendor_type_t eap_vendor_type_t;
#include <library.h>
/**
* EAP code, type of an EAP message
*/
enum eap_code_t {
EAP_REQUEST = 1,
EAP_RESPONSE = 2,
EAP_SUCCESS = 3,
EAP_FAILURE = 4,
};
/**
* enum names for eap_code_t.
*/
extern enum_name_t *eap_code_names;
/**
* short string enum names for eap_code_t.
*/
extern enum_name_t *eap_code_short_names;
/**
* EAP types, defines the EAP method implementation
*/
enum eap_type_t {
EAP_IDENTITY = 1,
EAP_NOTIFICATION = 2,
EAP_NAK = 3,
EAP_MD5 = 4,
EAP_OTP = 5,
EAP_GTC = 6,
EAP_TLS = 13,
EAP_SIM = 18,
EAP_TTLS = 21,
EAP_AKA = 23,
EAP_PEAP = 25,
EAP_MSCHAPV2 = 26,
EAP_MSTLV = 33,
EAP_TNC = 38,
EAP_PT_EAP = 54,
EAP_EXPANDED = 254,
EAP_EXPERIMENTAL = 255,
/** not a method, but an implementation providing different methods */
EAP_RADIUS = 256,
/** not a method, select method dynamically based on client selection */
EAP_DYNAMIC = 257,
};
/**
* enum names for eap_type_t.
*/
extern enum_name_t *eap_type_names;
/**
* short string enum names for eap_type_t.
*/
extern enum_name_t *eap_type_short_names;
/**
* Struct that stores EAP type and vendor ID
*/
struct eap_vendor_type_t {
/**
* EAP type
*/
eap_type_t type;
/**
* Vendor Id
*/
uint32_t vendor;
};
/**
* EAP packet format
*/
typedef struct __attribute__((packed)) {
uint8_t code;
uint8_t identifier;
uint16_t length;
uint8_t type;
uint8_t data;
} eap_packet_t;
/**
* Lookup the EAP method type from a string.
*
* @param name EAP method name (such as "md5", "aka")
* @return method type, 0 if unknown
*/
eap_type_t eap_type_from_string(char *name);
/**
* Parse a string of the form [eap-]type[-vendor].
*
* @param str EAP method string
* @return parsed type (gets allocated), NULL if unknown or failed
*/
eap_vendor_type_t *eap_vendor_type_from_string(char *str);
#endif /** EAP_H_ @}*/
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