/*
* 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: 7 %
*/
// This is enumeration of EAPOL source code.
#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
#undef EAP_FILE_NUMBER_ENUM
#define EAP_FILE_NUMBER_ENUM 53
#undef EAP_FILE_NUMBER_DATE
#define EAP_FILE_NUMBER_DATE 1127594498
#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
#include "eapol_rsna_key_data_gtk_header.h"
//------------------------------------------------------
//
eapol_rsna_key_data_gtk_header_c::~eapol_rsna_key_data_gtk_header_c()
{
}
//------------------------------------------------------
//
eapol_rsna_key_data_gtk_header_c::eapol_rsna_key_data_gtk_header_c(
abs_eap_am_tools_c * const tools,
void * const header_begin,
const u32_t header_buffer_length)
: eap_general_header_base_c(tools, header_begin, header_buffer_length)
, m_am_tools(tools)
{
}
//------------------------------------------------------
//
u8_t eapol_rsna_key_data_gtk_header_c::get_key_index() const
{
const u8_t * const data = get_header_offset(m_offset_flags, EAPOL_RSNA_KEY_DATA_FLAGS_FIELD_SIZE);
if (data != 0)
{
return static_cast<u8_t>(((*data) & EAPOL_RSNA_KEY_DATA_GTK_INDEX_MASK) >> EAPOL_RSNA_KEY_DATA_GTK_INDEX_SHIFT);
}
else
{
return EAPOL_RSNA_KEY_DATA_INVALID_GTK_INDEX;
}
}
//------------------------------------------------------
//
bool eapol_rsna_key_data_gtk_header_c::get_tx_bit() const
{
const u8_t * const data = get_header_offset(m_offset_flags, EAPOL_RSNA_KEY_DATA_FLAGS_FIELD_SIZE);
if (data != 0)
{
u8_t flag = static_cast<u8_t>(((*data) & EAPOL_RSNA_KEY_DATA_TX_MASK) >> EAPOL_RSNA_KEY_DATA_TX_SHIFT);
if (flag != 0)
{
return true;
}
else
{
return false;
}
}
else
{
return false;
}
}
//------------------------------------------------------
//
u8_t * eapol_rsna_key_data_gtk_header_c::get_gtk_offset(const u32_t offset, const u32_t contignuous_bytes) const
{
u32_t GTK_buffer_length = get_header_buffer_length() - get_header_length();
if (GTK_buffer_length >= offset+contignuous_bytes)
{
// This is pointer to the offset of the Data.
u8_t * const data = get_header_offset(m_offset_gtk, offset+contignuous_bytes);
if (data != 0)
{
return &data[offset];
}
else
{
return 0;
}
}
else
{
EAP_ASSERT_ALWAYS(GTK_buffer_length >= offset+contignuous_bytes);
}
return 0;
}
//------------------------------------------------------
//
u8_t * eapol_rsna_key_data_gtk_header_c::get_gtk(const u32_t contignuous_bytes) const
{
return get_gtk_offset(0u, contignuous_bytes);
}
//------------------------------------------------------
//
u16_t eapol_rsna_key_data_gtk_header_c::get_header_length()
{
return m_offset_gtk;
}
//------------------------------------------------------
//
eap_status_e eapol_rsna_key_data_gtk_header_c::set_key_index(const u32_t index)
{
u8_t * const data = get_header_offset(m_offset_flags, EAPOL_RSNA_KEY_DATA_FLAGS_FIELD_SIZE);
if (data != 0)
{
*data = static_cast<u8_t>(((*data) && ~EAPOL_RSNA_KEY_DATA_GTK_INDEX_MASK)
| ((index <<EAPOL_RSNA_KEY_DATA_GTK_INDEX_SHIFT) & EAPOL_RSNA_KEY_DATA_GTK_INDEX_MASK));
return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
}
else
{
return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
}
}
//------------------------------------------------------
//
eap_status_e eapol_rsna_key_data_gtk_header_c::set_tx(const bool tx)
{
u8_t * const data = get_header_offset(m_offset_flags, EAPOL_RSNA_KEY_DATA_FLAGS_FIELD_SIZE);
if (data != 0)
{
*data = static_cast<u8_t>(((*data) && ~EAPOL_RSNA_KEY_DATA_TX_MASK)
| ((tx <<EAPOL_RSNA_KEY_DATA_TX_SHIFT) & EAPOL_RSNA_KEY_DATA_TX_MASK));
return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
}
else
{
return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
}
}
//------------------------------------------------------
//
eap_status_e eapol_rsna_key_data_gtk_header_c::set_reserved_flag(const u32_t index)
{
u8_t * const data = get_header_offset(m_offset_flags, EAPOL_RSNA_KEY_DATA_FLAGS_FIELD_SIZE);
if (data != 0)
{
*data = static_cast<u8_t>(((*data) && ~EAPOL_RSNA_KEY_DATA_RESERVED_MASK)
| ((index <<EAPOL_RSNA_KEY_DATA_RESERVED_SHIFT) & EAPOL_RSNA_KEY_DATA_RESERVED_MASK));
return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
}
else
{
return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
}
}
//------------------------------------------------------
//
eap_status_e eapol_rsna_key_data_gtk_header_c::set_reserved_field(const u32_t reserved)
{
u8_t * const data = get_header_offset(m_offset_reserved, EAPOL_RSNA_KEY_DATA_RESERVED_FIELD_SIZE);
if (data != 0)
{
*data = static_cast<u8_t>(reserved);
return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
}
else
{
return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
}
}
//------------------------------------------------------
//
eap_status_e eapol_rsna_key_data_gtk_header_c::check_header() const
{
return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
}
//------------------------------------------------------
//
eap_status_e eapol_rsna_key_data_gtk_header_c::reset_header()
{
eap_status_e status(eap_status_process_general_error);
m_am_tools->memset(
get_header_buffer(get_header_buffer_length()),
0ul,
get_header_buffer_length());
status = set_key_index(0ul);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
status = set_tx(false);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
status = set_reserved_flag(0ul);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
status = set_reserved_field(0ul);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
}
//------------------------------------------------------
// End.