/*

* ============================================================================

*  Name        : ./accesssec/eapol/eapol_framework/wapi_common/src/ec_cs_compare_reference_id.cpp

*  Part of     : WAPI / WAPI       *** Info from the SWAD

*  Description : WAPI authentication

*  Version     : %version: 6 % << Don't touch! Updated by Synergy at check-out.

*

*  Copyright © 2001-2009 Nokia.  All rights reserved.

*  This material, including documentation and any related computer

*  programs, is protected by copyright controlled by Nokia.  All

*  rights are reserved.  Copying, including reproducing, storing,

*  adapting or translating, any or all of this material requires the

*  prior written consent of Nokia.  This material also contains

*  confidential information which may not be disclosed to others

*  without the prior written consent of Nokia.

* ============================================================================

* Template version: 4.1.1

*/

// This is enumeration of WAPI source code.

#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)

	#undef EAP_FILE_NUMBER_ENUM

	#define EAP_FILE_NUMBER_ENUM 700 

	#undef EAP_FILE_NUMBER_DATE 

	#define EAP_FILE_NUMBER_DATE 1127594498 

#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)

#if defined(USE_WAPI_CORE)

#include "eap_automatic_variable.h"

#include "ec_cs_types.h"

#include "ec_cs_data.h"

#include "ec_cs_compare_reference_id.h"

#include "wapi_certificate_asn1_der_parser.h"

#include "wapi_asn1_der_parser.h"

#include "ec_cs_tlv_header.h"

#include "ec_cs_tlv_payloads.h"

//----------------------------------------------------------------------------

EAP_FUNC_EXPORT ec_cs_compare_reference_id_c::~ec_cs_compare_reference_id_c()

{

}

//----------------------------------------------------------------------------

EAP_FUNC_EXPORT ec_cs_compare_reference_id_c::ec_cs_compare_reference_id_c(

	abs_eap_am_tools_c * const tools)

	: m_am_tools(tools)

{

}

//----------------------------------------------------------------------------

EAP_FUNC_EXPORT i32_t ec_cs_compare_reference_id_c::compare(

	const ec_cs_data_c * const reference_tlv_from_array,

	const ec_cs_data_c * const certificate_identity) const

{

	// reference_tlv_from_array includes ID-Reference TLV which includes ASU-ID TLV and Certificate-reference TLV.

	// certificate_identity includes identity of certificate. Data is concatenation of subject name, issuer name and serial number, each ASN.1/DER encoded.

	EAP_TRACE_DATA_DEBUG(

		m_am_tools, 

		TRACE_FLAGS_DEFAULT, 

		(EAPL("ec_cs_compare_reference_id_c::compare(): reference_tlv_from_array"),

		 reference_tlv_from_array->get_data()->get_data(),

		 reference_tlv_from_array->get_data()->get_data_length()));

	EAP_TRACE_DATA_DEBUG(

		m_am_tools, 

		TRACE_FLAGS_DEFAULT, 

		(EAPL("ec_cs_compare_reference_id_c::compare(): certificate_identity"),

		 certificate_identity->get_data()->get_data(),

		 certificate_identity->get_data()->get_data_length()));

	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

	eap_variable_data_c certificate_id(m_am_tools);

	if (certificate_id.get_is_valid() == false)

	{

		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

		return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);

	}

	ec_cs_tlv_header_c id_reference_tlv(

		m_am_tools,

		reference_tlv_from_array->get_data()->get_data(),

		reference_tlv_from_array->get_data()->get_data_length());

	if (id_reference_tlv.get_is_valid() == false)

	{

		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

		return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);

	}

	{

		ec_cs_tlv_payloads_c parser(

			m_am_tools,

			true);

		if (parser.get_is_valid() == false)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);

		}

		u32_t length(id_reference_tlv.get_data_length());

		u32_t padding_length(0ul);

		eap_status_e status = parser.parse_ec_cs_payloads(

			id_reference_tlv.get_data(length), ///< This is the start of the message buffer.

			&length, ///< This is the length of the buffer. This must match with the length of all payloads.

			&padding_length ///< Length of possible padding is set to this variable.

			);

		if (status != eap_status_ok)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, status);

		}

		const ec_cs_variable_data_c * const asu_id = parser.get_tlv_pointer(ec_cs_tlv_type_CS_ASU_ID);

		if (asu_id == 0)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, eap_status_illegal_parameter);

		}

		{

			wapi_asn1_der_parser_c parser(m_am_tools);

			if (parser.get_is_valid() == false)

			{

				EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

				return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);

			}

			eap_variable_data_c id_data(

				m_am_tools,

				asu_id->get_data(asu_id->get_data_length()),

				asu_id->get_data_length(),

				false,

				false);

			if (id_data.get_is_valid() == false)

			{

				EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

				return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);

			}

			eap_status_e status = parser.decode(&id_data);

			if (status != eap_status_ok)

			{

				EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

				return EAP_STATUS_RETURN(m_am_tools, status);

			}

			status = parser.get_wapi_identity(

				&certificate_id);

			if (status != eap_status_ok)

			{

				EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

				return EAP_STATUS_RETURN(m_am_tools, status);

			}

		}

	}

	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

	return certificate_id.compare(certificate_identity->get_data());

}

//----------------------------------------------------------------------------------

#endif //#if defined(USE_WAPI_CORE)

// End.