139 lines
3.3 KiB
C
139 lines
3.3 KiB
C
/*
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* Copyright (C) 2005-2006 Martin Willi
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* Copyright (C) 2005 Jan Hutter
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup eap_payload eap_payload
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* @{ @ingroup payloads
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*/
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#ifndef EAP_PAYLOAD_H_
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#define EAP_PAYLOAD_H_
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typedef struct eap_payload_t eap_payload_t;
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#include <library.h>
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#include <encoding/payloads/payload.h>
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#include <sa/authenticators/eap/eap_method.h>
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/**
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* Length of a EAP payload without the EAP Message in bytes.
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*/
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#define EAP_PAYLOAD_HEADER_LENGTH 4
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/**
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* Class representing an IKEv2 EAP payload.
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*
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* The EAP payload format is described in RFC section 3.16.
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*/
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struct eap_payload_t {
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/**
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* The payload_t interface.
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*/
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payload_t payload_interface;
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/**
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* Set the contained EAP data.
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*
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* This contains the FULL EAP message starting with "code".
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* Chunk gets cloned.
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*
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* @param message EAP data
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*/
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void (*set_data) (eap_payload_t *this, chunk_t data);
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/**
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* Get the contained EAP data.
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*
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* This contains the FULL EAP message starting with "code".
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*
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* @return EAP data (pointer to internal data)
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*/
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chunk_t (*get_data) (eap_payload_t *this);
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/**
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* Get the EAP code.
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*
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* @return EAP message as chunk_t
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*/
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eap_code_t (*get_code) (eap_payload_t *this);
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/**
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* Get the EAP identifier.
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*
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* @return unique identifier
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*/
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u_int8_t (*get_identifier) (eap_payload_t *this);
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/**
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* Get the EAP method type.
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*
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* @param vendor pointer receiving vendor identifier
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* @return EAP method type, vendor specific if vendor != 0
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*/
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eap_type_t (*get_type) (eap_payload_t *this, u_int32_t *vendor);
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/**
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* Destroys an eap_payload_t object.
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*/
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void (*destroy) (eap_payload_t *this);
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};
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/**
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* Creates an empty eap_payload_t object.
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*
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* @return eap_payload_t object
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*/
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eap_payload_t *eap_payload_create(void);
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/**
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* Creates an eap_payload_t object with data.
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*
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* @param data data, gets cloned
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* @return eap_payload_t object
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*/
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eap_payload_t *eap_payload_create_data(chunk_t data);
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/**
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* Creates an eap_payload_t object with data, owning the data.
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*
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* @param data data on heap, gets owned and freed
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* @return eap_payload_t object
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*/
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eap_payload_t *eap_payload_create_data_own(chunk_t data);
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/**
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* Creates an eap_payload_t object with a code.
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*
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* Could should be either EAP_SUCCESS/EAP_FAILURE, use
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* constructor above otherwise.
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*
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* @param code EAP status code
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* @param identifier EAP identifier to use in payload
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* @return eap_payload_t object
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*/
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eap_payload_t *eap_payload_create_code(eap_code_t code, u_int8_t identifier);
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/**
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* Creates an eap_payload_t EAP_RESPONSE containing an EAP_NAK.
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*
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* @param identifier EAP identifier to use in payload
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* @return eap_payload_t object
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*/
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eap_payload_t *eap_payload_create_nak(u_int8_t identifier);
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#endif /** EAP_PAYLOAD_H_ @}*/
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