--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/eapol_common/common/eap_tlv_header.cpp	Thu Dec 17 08:47:43 2009 +0200
@@ -0,0 +1,208 @@
+/*
+* 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 39 
+	#undef EAP_FILE_NUMBER_DATE 
+	#define EAP_FILE_NUMBER_DATE 1127594498 
+#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
+
+
+
+#include "eap_am_memory.h"
+#include "eap_tlv_header.h"
+
+/** @file */
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT eap_tlv_header_c::~eap_tlv_header_c()
+{
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT eap_tlv_header_c::eap_tlv_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)
+{
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT eap_tlv_type_t eap_tlv_header_c::get_type() const
+{
+	const u8_t * const tlv_type_data = get_header_offset(m_type_offset, sizeof(u32_t));
+	if (tlv_type_data != 0)
+	{
+		return static_cast<eap_tlv_type_t>(eap_read_u32_t_network_order(tlv_type_data, sizeof(u32_t)));
+	}
+	else
+	{
+		return eap_tlv_type_none;
+	}
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT u32_t eap_tlv_header_c::get_value_length() const
+{
+	const u8_t * const tlv_length_data = get_header_offset(m_length_offset, sizeof(u32_t));
+	if (tlv_length_data != 0)
+	{
+		return eap_read_u32_t_network_order(tlv_length_data, sizeof(u32_t));
+	}
+	else
+	{
+		return 0ul;
+	}
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT u32_t eap_tlv_header_c::get_header_length()
+{
+	return m_data_offset;
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT u8_t * eap_tlv_header_c::get_value_offset(const u32_t offset, const u32_t contignuous_bytes) const
+{
+	EAP_UNREFERENCED_PARAMETER(m_am_tools);
+
+	u32_t data_length = get_value_length();
+
+	if (data_length >= offset+contignuous_bytes)
+	{
+		u8_t * const data = get_header_offset(m_data_offset, offset+contignuous_bytes);
+		if (data != 0)
+		{
+			return &data[offset];
+		}
+		else
+		{
+			return 0;
+		}
+	}
+	else
+	{
+		EAP_ASSERT_ALWAYS(data_length >= offset+contignuous_bytes);
+	}
+	return 0;
+}
+
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT u8_t * eap_tlv_header_c::get_value(const u32_t contignuous_bytes) const
+{
+	return get_value_offset(0u, contignuous_bytes);
+}
+
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT eap_status_e eap_tlv_header_c::check_header() const
+{
+	if ((get_header_length() + get_value_length()) > get_header_buffer_length())
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted);
+	}
+
+	return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT eap_status_e eap_tlv_header_c::set_type(const eap_tlv_type_t type)
+{
+	if (type == eap_tlv_type_none)
+	{
+		EAP_ASSERT(type != eap_tlv_type_none);
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_wrong_type);
+	}
+
+	u8_t * const type_data = get_header_offset(m_type_offset, sizeof(u32_t));
+
+	if (type_data == 0)
+	{
+		EAP_ASSERT(type_data != 0);
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted);
+	}
+
+	eap_write_u32_t_network_order(type_data, sizeof(u32_t), type);
+
+	return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT eap_status_e eap_tlv_header_c::set_value_length(const u32_t value_length)
+{
+	if (get_header_length() + value_length > get_header_buffer_length())
+	{
+		EAP_ASSERT(get_header_length() + value_length <= get_header_buffer_length());
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_too_long_message);
+	}
+
+	u8_t * const length_data = get_header_offset(m_length_offset, sizeof(u32_t));
+
+	if (length_data == 0)
+	{
+		EAP_ASSERT(length_data != 0);
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted);
+	}
+
+	eap_write_u32_t_network_order(length_data, sizeof(u32_t), value_length);
+
+	return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT eap_status_e eap_tlv_header_c::reset_header(
+	const eap_tlv_type_t type,
+	const u32_t value_length)
+{
+	eap_status_e status = set_type(type);
+	if (status != eap_status_ok)
+	{
+		return EAP_STATUS_RETURN(m_am_tools, status);
+	}
+
+	status = set_value_length(value_length);
+	if (status != eap_status_ok)
+	{
+		return EAP_STATUS_RETURN(m_am_tools, status);
+	}
+
+	return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+}
+
+//--------------------------------------------------
+
+
+
+// End.