--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/eapol_common/type/tls_peap/tls/src/tls_peap_tlv_header.cpp	Thu Dec 17 08:47:43 2009 +0200
@@ -0,0 +1,307 @@
+/*
+* 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 132 
+	#undef EAP_FILE_NUMBER_DATE 
+	#define EAP_FILE_NUMBER_DATE 1127594498 
+#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
+
+
+
+#include "tls_peap_tlv_header.h"
+
+/** @file */
+
+
+/**
+ * The destructor of the tls_peap_tlv_header_c class does nothing.
+ */
+tls_peap_tlv_header_c::~tls_peap_tlv_header_c()
+{
+}
+
+/**
+ * The constructor of the tls_peap_tlv_header_c class simply initializes the attributes.
+ */
+tls_peap_tlv_header_c::tls_peap_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)
+{
+}
+
+/**
+ * This function returns the TLV type flag.
+ */
+tls_peap_tlv_type_e tls_peap_tlv_header_c::get_flag_tlv_type() const
+{
+	const u8_t * const flag_tlv_type_data = get_header_offset(m_flags_and_tlv_type_offset, sizeof(u16_t));
+	if (flag_tlv_type_data != 0)
+	{
+		return static_cast<tls_peap_tlv_type_e>(
+			(static_cast<u16_t>(
+				flag_tlv_type_data[0] & ~(m_flag_mask_mandatory_tlv|m_flag_mask_reserved)) << 8)
+			| (static_cast<u16_t>(flag_tlv_type_data[1])));
+	}
+	else
+	{
+		return tls_peap_tlv_type_none;
+	}
+}
+
+/**
+ * This function returns the TLV mandatory flag.
+ */
+bool tls_peap_tlv_header_c::get_flag_mandatory_tlv() const
+{
+	const u8_t * const flag_tlv_type_data = get_header_offset(m_flags_and_tlv_type_offset, sizeof(u8_t));
+	if (flag_tlv_type_data != 0)
+	{
+		u8_t flag = static_cast<u8_t>(flag_tlv_type_data[0] & m_flag_mask_mandatory_tlv);
+		if (flag != 0)
+		{
+			return true;
+		}
+	}
+	return false;
+}
+
+/**
+ * This function returns the TLV reserved flag.
+ */
+bool tls_peap_tlv_header_c::get_flag_reserved() const
+{
+	const u8_t * const flag_tlv_type_data = get_header_offset(m_flags_and_tlv_type_offset, sizeof(u8_t));
+	if (flag_tlv_type_data != 0)
+	{
+		u8_t flag = static_cast<u8_t>(flag_tlv_type_data[0] & m_flag_mask_reserved);
+		if (flag != 0)
+		{
+			return true;
+		}
+	}
+	return false;
+}
+
+/**
+ * This function returns the data length of TLV.
+ */
+u16_t tls_peap_tlv_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 the header length of TLV.
+ */
+u32_t tls_peap_tlv_header_c::get_header_length()
+{
+	return m_data_offset;
+}
+
+/**
+ * This function returns pointer to the offset of data of TLV.
+ * @param offset is the offset of queried data in bytes.
+ * @param contignuous_bytes is the length of queried data in bytes.
+ */
+u8_t * tls_peap_tlv_header_c::get_data_offset(const u32_t offset, const u32_t contignuous_bytes) const
+{
+	EAP_UNREFERENCED_PARAMETER(m_am_tools);
+
+	u32_t data_length = get_data_length(); // Here is removed optional TLS message 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;
+}
+
+
+/**
+ * This function returns pointer to the offset of data of TLV.
+ * @param contignuous_bytes is the length of queried data in bytes.
+ */
+u8_t * tls_peap_tlv_header_c::get_data(const u32_t contignuous_bytes) const
+{
+	return get_data_offset(0u, contignuous_bytes);
+}
+
+
+/**
+ * This function return pointer to the next TLV header in the same buffer.
+ */
+u8_t * tls_peap_tlv_header_c::get_next_header() const
+{
+	if (get_header_buffer_length() >= 2ul*get_header_length()+get_data_length())
+	{
+		return get_data_offset(get_data_length(), get_header_length());
+	}
+	else
+	{
+		return 0;
+	}
+}
+
+
+/**
+ * This function checks the header is valid.
+ */
+eap_status_e tls_peap_tlv_header_c::check_header() const
+{
+	if (get_flag_tlv_type() != tls_peap_tlv_type_result
+		&& get_flag_tlv_type() != tls_peap_tlv_type_nak
+		&& get_flag_tlv_type() != tls_peap_tlv_type_crypto_binding
+		&& get_flag_tlv_type() != tls_peap_tlv_eap_payload
+		&& get_flag_tlv_type() != tls_peap_tlv_type_intermediate_result)
+	{
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted);
+	}
+	else if (get_flag_reserved() != 0)
+	{
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted);
+	}
+	return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+}
+
+/**
+ * This function returns debug strings of the TLV type.
+ */
+eap_const_string tls_peap_tlv_header_c::get_tlv_type_string() const
+{
+
+#if defined(USE_EAP_TRACE_STRINGS)
+	const tls_peap_tlv_type_e protocol = get_flag_tlv_type();
+
+	EAP_IF_RETURN_STRING(protocol, tls_peap_tlv_type_none)
+	else EAP_IF_RETURN_STRING(protocol, tls_peap_tlv_type_result)
+	else EAP_IF_RETURN_STRING(protocol, tls_peap_tlv_type_nak)
+	else EAP_IF_RETURN_STRING(protocol, tls_peap_tlv_type_crypto_binding)
+	else EAP_IF_RETURN_STRING(protocol, tls_peap_tlv_eap_payload)
+	else EAP_IF_RETURN_STRING(protocol, tls_peap_tlv_type_intermediate_result)
+	else
+#endif // #if defined(USE_EAP_TRACE_STRINGS)
+	{
+		return EAPL("Unknown TLV type");
+	}
+}
+
+/**
+ * This function sets the TLV type flag.
+ */
+void tls_peap_tlv_header_c::set_flag_tlv_type(tls_peap_tlv_type_e type)
+{
+	u8_t * const flag_tlv_type_data = get_header_offset(m_flags_and_tlv_type_offset, sizeof(u16_t));
+	
+	EAP_ASSERT(flag_tlv_type_data != 0);
+	
+	flag_tlv_type_data[0] = static_cast<u8_t>(
+		flag_tlv_type_data[0] & (m_flag_mask_mandatory_tlv|m_flag_mask_reserved)
+		| ((type & 0xff00) >> 8) & ~(m_flag_mask_mandatory_tlv|m_flag_mask_reserved));
+	flag_tlv_type_data[1] = static_cast<u8_t>(type & 0x00ff);
+}
+
+/**
+ * This function sets the TLV reserved flag.
+ */
+void tls_peap_tlv_header_c::set_flag_reserved(bool reserved)
+{
+	u8_t * const flag_tlv_type_data = get_header_offset(m_flags_and_tlv_type_offset, sizeof(u16_t));
+	EAP_ASSERT(flag_tlv_type_data != 0);
+	
+	if (reserved == true)
+	{
+		flag_tlv_type_data[0] |= m_flag_mask_reserved;
+	}
+	else
+	{
+		flag_tlv_type_data[0] &= ~m_flag_mask_reserved;
+	}
+}
+
+/**
+ * This function sets the TLV manadtory flag.
+ */
+void tls_peap_tlv_header_c::set_flag_mandatory_tlv(const bool mandatory_when_true)
+{
+	u8_t * const flag_tlv_type_data = get_header_offset(m_flags_and_tlv_type_offset, sizeof(u16_t));
+	EAP_ASSERT(flag_tlv_type_data != 0);
+	
+	if (mandatory_when_true == true)
+	{
+		flag_tlv_type_data[0] |= m_flag_mask_mandatory_tlv;
+	}
+	else
+	{
+		flag_tlv_type_data[0] &= ~m_flag_mask_mandatory_tlv;
+	}
+}
+
+/**
+ * This function sets the TLV data length.
+ */
+void tls_peap_tlv_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 TLV header.
+ */
+void tls_peap_tlv_header_c::reset_header(const u16_t buffer_length)
+{
+	set_flag_tlv_type(tls_peap_tlv_type_none);
+	set_flag_reserved(0);
+	set_flag_mandatory_tlv(true);
+	set_data_length(buffer_length);
+}
+
+
+
+
+// End.