--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/eapol_common/type/tls_peap/tls/src/tls_record_header.cpp	Thu Dec 17 08:47:43 2009 +0200
@@ -0,0 +1,209 @@
+/*
+* 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 136 
+	#undef EAP_FILE_NUMBER_DATE 
+	#define EAP_FILE_NUMBER_DATE 1127594498 
+#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
+
+
+#include "tls_record_header.h"
+
+/** @file */
+
+
+/// Destructor does nothing.
+tls_record_header_c::~tls_record_header_c()
+{
+}
+
+/// Constructor initializes the class.
+tls_record_header_c::tls_record_header_c(
+	abs_eap_am_tools_c * const tools,
+	void * const header_buffer,
+	const u32_t header_buffer_length)
+	: eap_general_header_base_c(tools, header_buffer, header_buffer_length)
+	, m_am_tools(tools)
+{
+}
+
+/// This function returns protocol of the TLS-record.
+tls_record_protocol_e tls_record_header_c::get_protocol() const
+{
+	const u8_t * const protocol_data = get_header_offset(m_protocol_offset, sizeof(u8_t));
+	if (protocol_data != 0)
+	{
+		return static_cast<tls_record_protocol_e>(*protocol_data);
+	}
+	else
+	{
+		return tls_record_protocol_none;
+	}
+}
+
+/// This function returns version of the TLS-record.
+tls_version_e tls_record_header_c::get_version() const
+{
+	const u8_t * const version_data = get_header_offset(m_version_offset, sizeof(u16_t));
+	if (version_data != 0)
+	{
+		return static_cast<tls_version_e>(eap_read_u16_t_network_order(version_data, sizeof(u16_t)));
+	}
+	else
+	{
+		return tls_version_illegal;
+	}
+}
+
+/// This function returns data length of the TLS-record.
+/// The length (in bytes) of the following TLSPlaintext.fragment (TLS-record data). The length should not exceed 2^14.
+u16_t tls_record_header_c::get_data_length() const
+{
+	const u8_t * const length_data = get_header_offset(m_length_offset, sizeof(u16_t));
+	if (length_data != 0)
+	{
+		return eap_read_u16_t_network_order(length_data, sizeof(u16_t));
+	}
+	else
+	{
+		return 0ul;
+	}
+}
+
+/// This function returns header length of the TLS-record. This includes only protocol, version and length fiels.
+u32_t tls_record_header_c::get_header_length()
+{
+	return m_data_offset;
+}
+
+/// This function returns pointer to offset of the TLS-record data.
+/// @param offset is the offset of queried data in bytes.
+/// @param contignuous_bytes is the length of queried data in bytes.
+u8_t * tls_record_header_c::get_data_offset(const u32_t offset, const u32_t contignuous_bytes) const
+{
+	u32_t data_length = get_data_length(); // Here is removed optional TLS message length.
+	
+	if (data_length >= offset+contignuous_bytes)
+	{
+		u8_t * const data_begin = get_header_offset(m_data_offset, sizeof(u8_t));
+		if (data_begin == 0)
+		{
+			return 0;
+		}
+		return &(data_begin[offset]);
+	}
+	else
+	{
+		return 0;
+	}
+}
+
+
+/// This function returns pointer to begin of the TLS-record data.
+/// @param contignuous_bytes is the length of queried data in bytes.
+u8_t * tls_record_header_c::get_data(const u32_t contignuous_bytes) const
+{
+	return get_data_offset(0u, contignuous_bytes);
+}
+
+
+/// This function returns debug strings of the TLS-protocol values.
+eap_const_string tls_record_header_c::get_tls_protocol_string(const tls_record_protocol_e protocol)
+{
+#if defined(USE_EAP_TRACE_STRINGS)
+	EAP_IF_RETURN_STRING(protocol, tls_record_protocol_none)
+	else EAP_IF_RETURN_STRING(protocol, tls_record_protocol_change_cipher_spec)
+	else EAP_IF_RETURN_STRING(protocol, tls_record_protocol_alert)
+	else EAP_IF_RETURN_STRING(protocol, tls_record_protocol_handshake)
+	else EAP_IF_RETURN_STRING(protocol, tls_record_protocol_application_data)
+	else
+#else
+	EAP_UNREFERENCED_PARAMETER(protocol);
+#endif // #if defined(USE_EAP_TRACE_STRINGS)
+	{
+		return EAPL("Unknown TLS record protocol");
+	}
+}
+
+/// This function returns debug strings of the TLS-protocol values.
+eap_const_string tls_record_header_c::get_tls_protocol_string() const
+{
+	const tls_record_protocol_e protocol = get_protocol();
+	return get_tls_protocol_string(protocol);
+}
+
+
+/// This function sets the protocol of TLS-record.
+void tls_record_header_c::set_protocol(tls_record_protocol_e protocol)
+{
+	u8_t * const protocol_data = get_header_offset(m_protocol_offset, sizeof(u8_t));
+	EAP_ASSERT(protocol_data != 0);
+	*protocol_data = static_cast<u8_t>(protocol);
+}
+
+/// This function sets the version of the TLS-record.
+void tls_record_header_c::set_version(tls_version_e version)
+{
+	u8_t * const version_data = get_header_offset(m_version_offset, sizeof(u16_t));
+	EAP_ASSERT(version_data != 0);
+	version_data[0] = static_cast<u8_t>((version & 0xff00) >> 8);
+	version_data[1] = static_cast<u8_t>(version & 0x00ff);
+}
+
+/// This function sets the data length of the TLS-record.
+void tls_record_header_c::set_data_length(const u16_t p_length)
+{
+	u8_t * const length_data = get_header_offset(m_length_offset, sizeof(u16_t));
+	EAP_ASSERT(length_data != 0);
+	length_data[0] = static_cast<u8_t>((p_length & 0xff00) >> 8);
+	length_data[1] = static_cast<u8_t>(p_length & 0x00ff);
+}
+
+/// This function resets the TLS-record header.
+void tls_record_header_c::reset_header(
+	const u16_t buffer_length,
+	const tls_version_e version)
+{
+	set_protocol(tls_record_protocol_none);
+	set_version(version);
+	set_data_length(buffer_length);
+}
+
+/// This function checks the header is valid.
+eap_status_e tls_record_header_c::check_header() const
+{
+	if (get_protocol() > tls_record_protocol_application_data
+		|| get_protocol() < tls_record_protocol_change_cipher_spec)
+	{
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted);
+	}
+	else if (get_version() != tls_version_3_1)
+	{
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_no_matching_protocol_version);
+	}
+	
+	return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+}
+
+
+
+
+// End.