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/*
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005 Jan Hutter
* 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.
*
* $Id: eap_payload.h 5003 2009-03-24 17:43:01Z martin $
*/
/**
* @defgroup eap_payload eap_payload
* @{ @ingroup payloads
*/
#ifndef EAP_PAYLOAD_H_
#define EAP_PAYLOAD_H_
typedef struct eap_payload_t eap_payload_t;
#include <library.h>
#include <encoding/payloads/payload.h>
#include <sa/authenticators/eap/eap_method.h>
/**
* Length of a EAP payload without the EAP Message in bytes.
*/
#define EAP_PAYLOAD_HEADER_LENGTH 4
/**
* Class representing an IKEv2 EAP payload.
*
* The EAP payload format is described in RFC section 3.16.
*/
struct eap_payload_t {
/**
* The payload_t interface.
*/
payload_t payload_interface;
/**
* Set the contained EAP data.
*
* This contains the FULL EAP message starting with "code".
* Chunk gets cloned.
*
* @param message EAP data
*/
void (*set_data) (eap_payload_t *this, chunk_t data);
/**
* Get the contained EAP data.
*
* This contains the FULL EAP message starting with "code".
*
* @return EAP data (pointer to internal data)
*/
chunk_t (*get_data) (eap_payload_t *this);
/**
* Get the EAP code.
*
* @return EAP message as chunk_t
*/
eap_code_t (*get_code) (eap_payload_t *this);
/**
* Get the EAP identifier.
*
* @return unique identifier
*/
u_int8_t (*get_identifier) (eap_payload_t *this);
/**
* Get the EAP method type.
*
* @param vendor pointer receiving vendor identifier
* @return EAP method type, vendor specific if vendor != 0
*/
eap_type_t (*get_type) (eap_payload_t *this, u_int32_t *vendor);
/**
* Destroys an eap_payload_t object.
*/
void (*destroy) (eap_payload_t *this);
};
/**
* Creates an empty eap_payload_t object.
*
* @return eap_payload_t object
*/
eap_payload_t *eap_payload_create(void);
/**
* Creates an eap_payload_t object with data.
*
* @return eap_payload_t object
*/
eap_payload_t *eap_payload_create_data(chunk_t data);
/**
* Creates an eap_payload_t object with a code.
*
* Could should be either EAP_SUCCESS/EAP_FAILURE, use
* constructor above otherwise.
*
* @param code EAP status code
* @param identifier EAP identifier to use in payload
* @return eap_payload_t object
*/
eap_payload_t *eap_payload_create_code(eap_code_t code, u_int8_t identifier);
/**
* Creates an eap_payload_t EAP_RESPONSE containing an EAP_NAK.
*
* @param identifier EAP identifier to use in payload
* @return eap_payload_t object
*/
eap_payload_t *eap_payload_create_nak(u_int8_t identifier);
#endif /** EAP_PAYLOAD_H_ @}*/
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