105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/**
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* @file sa_payload.h
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*
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* @brief Interface of sa_payload_t.
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*
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*/
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/*
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* Copyright (C) 2005 Jan Hutter, Martin Willi
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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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#ifndef SA_PAYLOAD_H_
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#define SA_PAYLOAD_H_
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#include <types.h>
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#include <encoding/payloads/payload.h>
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#include <encoding/payloads/proposal_substructure.h>
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#include <utils/linked_list.h>
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/**
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* Critical flag must not be set.
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*
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* @ingroup payloads
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*/
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#define SA_PAYLOAD_CRITICAL_FLAG FALSE;
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/**
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* SA_PAYLOAD length in bytes without any proposal substructure.
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*
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* @ingroup payloads
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*/
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#define SA_PAYLOAD_HEADER_LENGTH 4
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typedef struct sa_payload_t sa_payload_t;
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/**
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* Class representing an IKEv2-SA Payload.
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*
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* The SA Payload format is described in RFC section 3.3.
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*
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* @ingroup payloads
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*/
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struct sa_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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* @brief Creates an iterator of stored proposal_substructure_t objects.
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*
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* @warning The created iterator has to get destroyed by the caller!
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*
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* @warning When deleting an proposal using this iterator,
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* the length of this transform substructure has to be refreshed
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* by calling get_length()!
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*
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* @param this calling sa_payload_t object
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* @param iterator the created iterator is stored at the pointed pointer
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* @param[in] forward iterator direction (TRUE: front to end)
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*/
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void (*create_proposal_substructure_iterator) (sa_payload_t *this,iterator_t **iterator, bool forward);
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/**
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* @brief Adds a proposal_substructure_t object to this object.
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*
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* @warning The added proposal_substructure_t object is
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* getting destroyed in destroy function of sa_payload_t.
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*
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* @param this calling sa_payload_t object
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* @param proposal proposal_substructure_t object to add
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*/
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void (*add_proposal_substructure) (sa_payload_t *this,proposal_substructure_t *proposal);
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/**
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* @brief Destroys an sa_payload_t object.
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*
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* @param this sa_payload_t object to destroy
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*/
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void (*destroy) (sa_payload_t *this);
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};
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/**
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* @brief Creates an empty sa_payload_t object
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*
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* @return created sa_payload_t object
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*
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* @ingroup payloads
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*/
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sa_payload_t *sa_payload_create();
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#endif /*SA_PAYLOAD_H_*/
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