81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/*
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* Copyright (C) 2010 Martin Willi
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* Copyright (C) 2010 revosec AG
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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 tls_compression tls_compression
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* @{ @ingroup libtls
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*/
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#ifndef TLS_COMPRESSION_H_
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#define TLS_COMPRESSION_H_
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#include <library.h>
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typedef struct tls_compression_t tls_compression_t;
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#include "tls.h"
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#include "tls_alert.h"
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#include "tls_fragmentation.h"
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/**
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* TLS record protocol compression layer.
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*/
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struct tls_compression_t {
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/**
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* Process a compressed TLS record, pass it to upper layers.
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*
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* @param type type of the TLS record to process
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* @param data associated TLS record data
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* @return
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* - SUCCESS if TLS negotiation complete
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* - FAILED if TLS handshake failed
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* - NEED_MORE if more invocations to process/build needed
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*/
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status_t (*process)(tls_compression_t *this,
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tls_content_type_t type, chunk_t data);
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/**
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* Query upper layer for TLS record, build compressed record.
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*
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* @param type type of the built TLS record
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* @param data allocated data of the built TLS record
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* @return
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* - SUCCESS if TLS negotiation complete
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* - FAILED if TLS handshake failed
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* - NEED_MORE if upper layers have more records to send
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* - INVALID_STATE if more input records required
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*/
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status_t (*build)(tls_compression_t *this,
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tls_content_type_t *type, chunk_t *data);
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/**
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* Destroy a tls_compression_t.
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*/
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void (*destroy)(tls_compression_t *this);
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};
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/**
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* Create a tls_compression instance.
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*
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* @param fragmentation fragmentation layer of TLS stack
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* @param alert TLS alert handler
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* @return TLS compression layer.
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*/
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tls_compression_t *tls_compression_create(tls_fragmentation_t *fragmentation,
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tls_alert_t *alert);
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#endif /** TLS_COMPRESSION_H_ @}*/
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