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/*
* Copyright (C) 2011-2017 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 ietf_attr_pa_tnc_errort ietf_attr_pa_tnc_error
* @{ @ingroup ietf_attr
*/
#ifndef IETF_ATTR_PA_TNC_ERROR_H_
#define IETF_ATTR_PA_TNC_ERROR_H_
typedef struct ietf_attr_pa_tnc_error_t ietf_attr_pa_tnc_error_t;
typedef enum pa_tnc_error_code_t pa_tnc_error_code_t;
#include "ietf_attr.h"
#include "pa_tnc/pa_tnc_attr.h"
/**
* IETF Standard PA-TNC Error Codes as defined in section 4.2.8 of RFC 5792
*/
enum pa_tnc_error_code_t {
/* RFC 5792 PA-TNC */
PA_ERROR_RESERVED = 0,
PA_ERROR_INVALID_PARAMETER = 1,
PA_ERROR_VERSION_NOT_SUPPORTED = 2,
PA_ERROR_ATTR_TYPE_NOT_SUPPORTED = 3,
PA_ERROR_PA_TNC_MSG_ROOF = 3,
/* draft-ietf-sacm-nea-swid-patnc (SWIMA) */
PA_ERROR_SW = 32,
PA_ERROR_SW_SUBSCRIPTION_DENIED = 33,
PA_ERROR_SW_RESPONSE_TOO_LARGE = 34,
PA_ERROR_SW_SUBSCRIPTION_FULFILLMENT = 35,
PA_ERROR_SW_SUBSCRIPTION_ID_REUSE = 36
};
/**
* enum name for pa_tnc_error_code_t.
*/
extern enum_name_t *pa_tnc_error_code_names;
/**
* Class implementing the IETF PA-TNC Error attribute.
*
*/
struct ietf_attr_pa_tnc_error_t {
/**
* Public PA-TNC attribute interface
*/
pa_tnc_attr_t pa_tnc_attribute;
/**
* Get Vendor-specific PA-TNC error code
*
* @return error code
*/
pen_type_t (*get_error_code)(ietf_attr_pa_tnc_error_t *this);
/**
* Get first 8 bytes of erroneous PA-TNC message
*
* @return PA-TNC message info
*/
chunk_t (*get_msg_info)(ietf_attr_pa_tnc_error_t *this);
/**
* Get flags, vendor ID and type of unsupported PA-TNC attribute
*
* @param flags PA-TNC attribute flags
* @return PA-TNC attribute vendor ID and type
*/
pen_type_t (*get_unsupported_attr)(ietf_attr_pa_tnc_error_t *this,
uint8_t *flags);
/**
* Set flags, vendor ID and type of unsupported PA-TNC attribute
*
* @param flags PA-TNC attribute flags
* @param attr_info PA-TNC attribute vendor ID and type
*/
void (*set_unsupported_attr)(ietf_attr_pa_tnc_error_t *this, uint8_t flags,
pen_type_t type);
/**
* Get the PA-TNC error offset
*
* @return PA-TNC error offset
*/
uint32_t (*get_offset)(ietf_attr_pa_tnc_error_t *this);
};
/**
* Creates an ietf_attr_pa_tnc_error_t object from an error code
*
* @param error_code Vendor-specific PA-TNC error code
* @param header PA-TNC message header (first 8 bytes)
*
*/
pa_tnc_attr_t* ietf_attr_pa_tnc_error_create(pen_type_t error_code,
chunk_t header);
/**
* Creates an ietf_attr_pa_tnc_error_t object from an error code with offset
*
* @param error_code Vendor-specifica PA-TNC error code
* @param header PA-TNC message header (first 8 bytes)
* @param error_offset PA-TNC error offset in bytes
*
*/
pa_tnc_attr_t* ietf_attr_pa_tnc_error_create_with_offset(pen_type_t error_code,
chunk_t header,
uint32_t error_offset);
/**
* Creates an ietf_attr_pa_tnc_error_t object from received data
*
* @param length Total length of attribute value
* @param value Unparsed attribute value (might be a segment)
*/
pa_tnc_attr_t* ietf_attr_pa_tnc_error_create_from_data(size_t length,
chunk_t value);
#endif /** IETF_ATTR_PA_TNC_ERROR_H_ @}*/
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