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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.
*/
/**
* @defgroup proposal_substructure proposal_substructure
* @{ @ingroup payloads
*/
#ifndef PROPOSAL_SUBSTRUCTURE_H_
#define PROPOSAL_SUBSTRUCTURE_H_
typedef struct proposal_substructure_t proposal_substructure_t;
#include <library.h>
#include <encoding/payloads/payload.h>
#include <encoding/payloads/transform_substructure.h>
#include <config/proposal.h>
#include <utils/linked_list.h>
/**
* Class representing an IKEv1/IKEv2 proposal substructure.
*/
struct proposal_substructure_t {
/**
* The payload_t interface.
*/
payload_t payload_interface;
/**
* Sets the proposal number of current proposal.
*
* @param id proposal number to set
*/
void (*set_proposal_number) (proposal_substructure_t *this,
u_int8_t proposal_number);
/**
* get proposal number of current proposal.
*
* @return proposal number of current proposal substructure.
*/
u_int8_t (*get_proposal_number) (proposal_substructure_t *this);
/**
* Sets the protocol id of current proposal.
*
* @param id protocol id to set
*/
void (*set_protocol_id) (proposal_substructure_t *this,
u_int8_t protocol_id);
/**
* get protocol id of current proposal.
*
* @return protocol id of current proposal substructure.
*/
u_int8_t (*get_protocol_id) (proposal_substructure_t *this);
/**
* Sets the next_payload field of this substructure
*
* If this is the last proposal, next payload field is set to 0,
* otherwise to 2
*
* @param is_last When TRUE, next payload field is set to 0, otherwise to 2
*/
void (*set_is_last_proposal) (proposal_substructure_t *this, bool is_last);
/**
* Returns the currently set SPI of this proposal.
*
* @return chunk_t pointing to the value
*/
chunk_t (*get_spi) (proposal_substructure_t *this);
/**
* Sets the SPI of the current proposal.
*
* @warning SPI is getting copied
*
* @param spi chunk_t pointing to the value to set
*/
void (*set_spi) (proposal_substructure_t *this, chunk_t spi);
/**
* Get a proposal_t from the propsal_substructure_t.
*
* @return proposal_t
*/
proposal_t * (*get_proposal) (proposal_substructure_t *this);
/**
* Create an enumerator over transform substructures.
*
* @return enumerator over transform_substructure_t
*/
enumerator_t* (*create_substructure_enumerator)(proposal_substructure_t *this);
/**
* Destroys an proposal_substructure_t object.
*/
void (*destroy) (proposal_substructure_t *this);
};
/**
* Creates an empty proposal_substructure_t object
*
* @param type PROPOSAL_SUBSTRUCTURE or PROPOSAL_SUBSTRUCTURE_V1
* @return proposal_substructure_t object
*/
proposal_substructure_t *proposal_substructure_create(payload_type_t type);
/**
* Creates a proposal_substructure_t from a proposal_t.
*
* @param type PROPOSAL_SUBSTRUCTURE or PROPOSAL_SUBSTRUCTURE_V1
* @param proposal proposal to build a substruct out of it
* @return proposal_substructure_t object
*/
proposal_substructure_t *proposal_substructure_create_from_proposal(
payload_type_t type, proposal_t *proposal);
#endif /** PROPOSAL_SUBSTRUCTURE_H_ @}*/
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