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/*
* Copyright (C) 2011-2014 Andreas Steffen
* HSR 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 pa_tnc_attr pa_tnc_attr
* @{ @ingroup pa_tnc
*/
#ifndef PA_TNC_ATTR_H_
#define PA_TNC_ATTR_H_
typedef struct pa_tnc_attr_t pa_tnc_attr_t;
#include <library.h>
#include <pen/pen.h>
#define PA_TNC_ATTR_HEADER_SIZE 12
/**
* Interface for an RFC 5792 PA-TNC Posture Attribute.
*
*/
struct pa_tnc_attr_t {
/**
* Get the vendor ID/type of an PA-TNC attribute
*
* @return vendor-specific attribute type
*/
pen_type_t (*get_type)(pa_tnc_attr_t *this);
/**
* Get the value of an PA-TNC attribute
*
* @return attribute value
*/
chunk_t (*get_value)(pa_tnc_attr_t *this);
/**
* Get the noskip flag
*
* @return TRUE if the noskip flag is set
*/
bool (*get_noskip_flag)(pa_tnc_attr_t *this);
/**
* Set the noskip flag
*
* @param noskip_flag TRUE if the noskip flag is to be set
*/
void (*set_noskip_flag)(pa_tnc_attr_t *this, bool noskip);
/**
* Build value of an PA-TNC attribute from its parameters
*/
void (*build)(pa_tnc_attr_t *this);
/**
* Process the value of an PA-TNC attribute to extract its parameters
*
* @param relative error offset within attribute body
* @return result status
*/
status_t (*process)(pa_tnc_attr_t *this, uint32_t *offset);
/**
* Get a new reference to the PA-TNC attribute
*
* @return this, with an increased refcount
*/
pa_tnc_attr_t* (*get_ref)(pa_tnc_attr_t *this);
/**
* Destroys a pa_tnc_attr_t object.
*/
void (*destroy)(pa_tnc_attr_t *this);
};
#endif /** PA_TNC_ATTR_H_ @}*/
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