/*
* Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: EAP and WLAN authentication protocols.
*
*/
/*
* %version: 13 %
*/
#if !defined(_AKA_HEADER_H_)
#define _AKA_HEADER_H_
#include "eap_tools.h"
#include "eap_header.h"
#include "eap_header_string.h"
/** @file */
const u32_t AKA_FIRST_SEQUENCE = 1u;
const u32_t AKA_PAYLOAD_LENGTH_ALIGN = 4u;
const u32_t EAP_AKA_PAYLOAD_ZERO_DATA_LENGTH = 0u;
const u8_t AKA_NAI_AT_BYTE = '@';
enum aka_subtype_e
{
aka_subtype_NONE = 0,
aka_subtype_Challenge = 1,
aka_subtype_Authentication_Reject = 2,
aka_subtype_Synchronization_Failure = 4,
aka_subtype_Identity = 5,
aka_subtype_Notification = 12,
aka_subtype_Re_authentication = 13,
aka_subtype_Client_Error = 14,
};
enum aka_payload_AT_type_e
{
aka_payload_NONE = 0,
aka_payload_AT_RAND = 1,
aka_payload_AT_AUTN = 2,
aka_payload_AT_RES = 3,
aka_payload_AT_AUTS = 4,
aka_payload_AT_PADDING = 6,
aka_payload_AT_PERMANENT_ID_REQ = 10,
aka_payload_AT_MAC = 11,
aka_payload_AT_NOTIFICATION = 12,
aka_payload_AT_ANY_ID_REQ = 13,
aka_payload_AT_IDENTITY = 14,
aka_payload_AT_FULLAUTH_ID_REQ = 17,
aka_payload_AT_COUNTER = 19,
aka_payload_AT_COUNTER_TOO_SMALL = 20,
aka_payload_AT_NONCE_S = 21,
aka_payload_AT_CLIENT_ERROR_CODE = 22,
aka_payload_AT_IV = 129,
aka_payload_AT_ENCR_DATA = 130,
aka_payload_AT_NEXT_PSEUDONYM = 132,
aka_payload_AT_NEXT_REAUTH_ID = 133,
aka_payload_AT_CHECKCODE = 134,
aka_payload_AT_RESULT_IND = 135,
};
enum eap_aka_client_error_code_e
{
eap_aka_client_error_code_unable_to_process_packet = 0,
eap_aka_client_error_code_unsupported_version = 1,
eap_aka_client_error_code_insufficient_number_of_challenges = 2,
eap_aka_client_error_code_rands_are_not_fresh = 3,
eap_aka_client_error_code_maximum_value = eap_aka_client_error_code_rands_are_not_fresh,
eap_aka_client_error_code_none = 0xff,
};
//----------------------------------------------------------------------------
/// This class defines the attribute payload header of AKA EAP-type.
/**
* Here is a figure of attribute payload header of AKA EAP-type.
* Attribute payload data is (m_length*4)-sizeof(aka_payload_AT_header_c) data octets that follows aka_payload_AT_header_c.
* @code
* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Type | Length | Value ... |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Attribute payload data ...
* +-+-+-+-+-+-+-+-+-+-+-
* @endcode
*
*/
class EAP_EXPORT aka_payload_AT_header_c
: public eap_general_header_base_c
{
private:
//--------------------------------------------------
/// This is pointer to the tools class.
abs_eap_am_tools_c * const m_am_tools;
//--------------------------------------------------
protected:
//--------------------------------------------------
enum offsets
{
m_type_offset = 0ul,
m_length_offset = m_type_offset+sizeof(u8_t),
m_reserved_offset = m_length_offset+sizeof(u8_t),
m_data_offset = m_reserved_offset+sizeof(u16_t),
};
//--------------------------------------------------
public:
//--------------------------------------------------
//
EAP_FUNC_IMPORT virtual ~aka_payload_AT_header_c();
//
EAP_FUNC_IMPORT aka_payload_AT_header_c(
abs_eap_am_tools_c * const tools,
void * const header_buffer,
const u32_t header_buffer_length);
EAP_FUNC_IMPORT aka_payload_AT_type_e get_current_payload() const;
EAP_FUNC_IMPORT u16_t get_payload_length() const;
EAP_FUNC_IMPORT u16_t get_reserved() const;
EAP_FUNC_IMPORT u8_t * get_reserved_pointer(const u32_t contignuous_bytes) const;
EAP_FUNC_IMPORT u32_t get_data_length() const;
EAP_FUNC_IMPORT static u16_t get_header_length();
EAP_FUNC_IMPORT static u16_t get_max_payload_data_length();
EAP_FUNC_IMPORT u8_t * get_data(const u32_t contignuous_bytes) const;
EAP_FUNC_IMPORT u8_t * get_data_offset(const u32_t offset, const u32_t contignuous_bytes) const;
EAP_FUNC_IMPORT u8_t * get_next_header() const;
// Mostly this is zero.
// With some attributes this is used for special purposes.
EAP_FUNC_IMPORT void set_reserved(const u16_t reserved);
EAP_FUNC_IMPORT void set_current_payload(const aka_payload_AT_type_e p_current_payload);
EAP_FUNC_IMPORT void set_data_length(const u16_t p_data_length);
EAP_FUNC_IMPORT void reset_header(const u16_t data_length);
EAP_FUNC_IMPORT static eap_const_string get_payload_AT_string(const aka_payload_AT_type_e payload_type);
EAP_FUNC_IMPORT eap_const_string get_payload_AT_string() const;
EAP_FUNC_IMPORT eap_status_e check_header() const;
//
//--------------------------------------------------
}; // class aka_payload_AT_header_c
//----------------------------------------------------------------------------
/// This class defines header of AKA EAP-type.
/**
* Here is a figure of header of AKA EAP-type.
* Subtype-Data is m_length-sizeof(aka_header_c) data octets that follows aka_header_c.
* @code
* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Code | Identifier | Length |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Type=18 | Subtype | Reserved = 0 |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Subtype-Data...
* +-+-+-+-+-+-+-+-+-+-+-
* @endcode
*
*/
class EAP_EXPORT aka_header_c
: public eap_header_base_c
{
private:
//--------------------------------------------------
/// This is pointer to the tools class.
abs_eap_am_tools_c * const m_am_tools;
enum delta_offsets
{
m_subtype_delta_offset = 0ul, // This is offset from the end of the type field. NOTE type field could be extented 8 bytes in length.
m_reserved_delta_offset = m_subtype_delta_offset+sizeof(u8_t),
m_data_delta_offset = m_reserved_delta_offset+sizeof(u16_t),
};
//--------------------------------------------------
public:
//--------------------------------------------------
//
EAP_FUNC_IMPORT virtual ~aka_header_c();
//
EAP_FUNC_IMPORT aka_header_c(
abs_eap_am_tools_c * const tools,
u8_t * const header_buffer,
const u32_t header_buffer_length);
EAP_FUNC_IMPORT aka_subtype_e get_subtype() const;
EAP_FUNC_IMPORT u16_t get_data_length() const;
/// This returns the length of EAP-header, EAP-type, subtype and reserved fields.
EAP_FUNC_IMPORT u32_t get_header_length() const;
EAP_FUNC_IMPORT u32_t get_sub_type_offset() const;
EAP_FUNC_IMPORT u8_t * get_data_offset(const u32_t offset, const u32_t contignuous_bytes) const;
EAP_FUNC_IMPORT u8_t * get_data(const u32_t contignuous_bytes) const;
EAP_FUNC_IMPORT u16_t get_reserved() const;
EAP_FUNC_IMPORT eap_status_e check_header() const;
EAP_FUNC_IMPORT eap_const_string get_subtype_string() const;
EAP_FUNC_IMPORT eap_const_string get_code_string() const;
EAP_FUNC_IMPORT eap_const_string get_eap_type_string() const;
EAP_FUNC_IMPORT void set_reserved(const u16_t reserved);
EAP_FUNC_IMPORT void set_subtype(const aka_subtype_e p_subtype);
EAP_FUNC_IMPORT void set_data_length(
const u32_t p_data_length,
const bool expanded_type_when_true);
EAP_FUNC_IMPORT void reset_header(
const u32_t buffer_length,
const bool expanded_type_when_true);
//
//--------------------------------------------------
}; // class aka_header_c
//--------------------------------------------------
#endif //#if !defined(_AKA_HEADER_H_)
// End.