--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/eapol_common/core/eapol_rsna_key_data_gtk_header.cpp	Thu Dec 17 08:47:43 2009 +0200
@@ -0,0 +1,260 @@
+/*
+* 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.
+*
+*/
+
+
+// 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.