strongswan/Source/charon/encoding/payloads/eap_payload.h

104 lines
2.3 KiB
C

/**
* @file eap_payload.h
*
* @brief Interface of eap_payload_t.
*
*/
/*
* Copyright (C) 2005 Jan Hutter, Martin Willi
* 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.
*/
#ifndef _EAP_PAYLOAD_H_
#define _EAP_PAYLOAD_H_
#include <types.h>
#include <encoding/payloads/payload.h>
/**
* Length of a EAP payload without the EAP Message in bytes.
*
* @ingroup payloads
*/
#define EAP_PAYLOAD_HEADER_LENGTH 4
typedef struct eap_payload_t eap_payload_t;
/**
* @brief Class representing an IKEv2 EAP payload.
*
* The EAP payload format is described in draft section 3.16.
*
* @b Constructors:
* - eap_payload_create()
*
* @ingroup payloads
*/
struct eap_payload_t {
/**
* The payload_t interface.
*/
payload_t payload_interface;
/**
* @brief Set the EAP Message.
*
* Data are getting cloned.
*
* @param this calling eap_payload_t object
* @param message EAP message as chunk_t
*/
void (*set_message) (eap_payload_t *this, chunk_t message);
/**
* @brief Get the EAP message.
*
* Returned data are a copy of the internal one.
*
* @param this calling eap_payload_t object
* @return EAP message as chunk_t
*/
chunk_t (*get_message_clone) (eap_payload_t *this);
/**
* @brief Get the EAP message.
*
* Returned data are NOT copied.
*
* @param this calling eap_payload_t object
* @return EAP message as chunk_t
*/
chunk_t (*get_message) (eap_payload_t *this);
/**
* @brief Destroys an eap_payload_t object.
*
* @param this eap_payload_t object to destroy
*/
void (*destroy) (eap_payload_t *this);
};
/**
* @brief Creates an empty eap_payload_t object.
*
* @return eap_payload_t object
*
* @ingroup payloads
*/
eap_payload_t *eap_payload_create();
#endif //_EAP_PAYLOAD_H_