91 lines
2.6 KiB
C
91 lines
2.6 KiB
C
/*
|
|
* Copyright (C) 2010 Martin Willi
|
|
* Copyright (C) 2010 revosec AG
|
|
*
|
|
* 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 tls_fragmentation tls_fragmentation
|
|
* @{ @ingroup libtls
|
|
*/
|
|
|
|
#ifndef TLS_FRAGMENTATION_H_
|
|
#define TLS_FRAGMENTATION_H_
|
|
|
|
#include <library.h>
|
|
|
|
typedef struct tls_fragmentation_t tls_fragmentation_t;
|
|
|
|
#include "tls.h"
|
|
#include "tls_alert.h"
|
|
#include "tls_handshake.h"
|
|
|
|
/**
|
|
* TLS record protocol fragmentation layer.
|
|
*/
|
|
struct tls_fragmentation_t {
|
|
|
|
/**
|
|
* Process a fragmented TLS record, pass it to upper layers.
|
|
*
|
|
* @param type type of the TLS record to process
|
|
* @param data associated TLS record data
|
|
* @return
|
|
* - SUCCESS if TLS negotiation complete
|
|
* - FAILED if TLS handshake failed
|
|
* - NEED_MORE if more invocations to process/build needed
|
|
*/
|
|
status_t (*process)(tls_fragmentation_t *this,
|
|
tls_content_type_t type, chunk_t data);
|
|
|
|
/**
|
|
* Query upper layer for TLS messages, build fragmented records.
|
|
*
|
|
* @param type type of the built TLS record
|
|
* @param data allocated data of the built TLS record
|
|
* @return
|
|
* - SUCCESS if TLS negotiation complete
|
|
* - FAILED if TLS handshake failed
|
|
* - NEED_MORE if upper layers have more records to send
|
|
* - INVALID_STATE if more input records required
|
|
*/
|
|
status_t (*build)(tls_fragmentation_t *this,
|
|
tls_content_type_t *type, chunk_t *data);
|
|
|
|
/**
|
|
* Has the application layer finished (returned SUCCESS)?.
|
|
*
|
|
* @return TRUE if application layer finished
|
|
*/
|
|
bool (*application_finished)(tls_fragmentation_t *this);
|
|
|
|
/**
|
|
* Destroy a tls_fragmentation_t.
|
|
*/
|
|
void (*destroy)(tls_fragmentation_t *this);
|
|
};
|
|
|
|
/**
|
|
* Create a tls_fragmentation instance.
|
|
*
|
|
* @param handshake upper layer handshake protocol
|
|
* @param alert TLS alert handler
|
|
* @param application upper layer application data or NULL
|
|
* @param purpose type of context this TLS stack is running in
|
|
* @return TLS fragmentation layer
|
|
*/
|
|
tls_fragmentation_t *tls_fragmentation_create(tls_handshake_t *handshake,
|
|
tls_alert_t *alert, tls_application_t *application,
|
|
tls_purpose_t purpose);
|
|
|
|
#endif /** TLS_FRAGMENTATION_H_ @}*/
|