eapol/eapol_framework/eapol_common/type/radius/core/eap_radius_header.cpp
changeset 0 c8830336c852
child 2 1c7bc153c08e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/eapol_common/type/radius/core/eap_radius_header.cpp	Thu Dec 17 08:47:43 2009 +0200
@@ -0,0 +1,249 @@
+/*
+* 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 105 
+	#undef EAP_FILE_NUMBER_DATE 
+	#define EAP_FILE_NUMBER_DATE 1127594498 
+#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
+
+
+#include "eap_radius_header.h"
+#include "eap_radius_header_string.h"
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT eap_radius_header_base_c::~eap_radius_header_base_c()
+{
+}
+
+//--------------------------------------------------
+
+// 
+EAP_FUNC_EXPORT eap_radius_header_base_c::eap_radius_header_base_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 u32_t eap_radius_header_base_c::get_header_length()
+{
+	return m_attributes_offset;
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT eap_radius_code_value_e eap_radius_header_base_c::get_code() const
+{
+	const u8_t * const code_data = get_header_offset(m_code_offset, sizeof(u8_t));
+	if (code_data != 0)
+	{
+		return static_cast<eap_radius_code_value_e>(*code_data);
+	}
+	else
+	{
+		return eap_radius_code_none;
+	}
+}
+
+/// This function returns the authenticator field of RADIUS-header.
+EAP_FUNC_EXPORT u8_t * eap_radius_header_base_c::get_authenticator() const
+{
+	u8_t * authenticator = get_header_offset(
+		m_authenticator_offset,
+		get_authenticator_length());
+	if (authenticator != 0)
+	{
+		return authenticator;
+	}
+	else
+	{
+		return 0;
+	}
+}
+
+/// This function returns the length of the authenticator field of RADIUS-header.
+EAP_FUNC_EXPORT u32_t eap_radius_header_base_c::get_authenticator_length() const
+{
+	return EAP_RADIUS_AUTHENTICATOR_LENGTH*sizeof(u8_t);
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT u8_t eap_radius_header_base_c::get_identifier() const
+{
+	const u8_t * const identifier_data = get_header_offset(m_identifier_offset, sizeof(u8_t));
+	if (identifier_data != 0)
+	{
+		return *identifier_data;
+	}
+	else
+	{
+		return 0xff;
+	}
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT u16_t eap_radius_header_base_c::get_length() const
+{
+	const u8_t * const length_data = get_header_offset(m_length_offset, sizeof(u16_t));
+	if (length_data != 0)
+	{
+		return static_cast<u16_t>(static_cast<u16_t>(length_data[0]) << 8
+								  | static_cast<u16_t>(length_data[1]));		
+	}
+	else
+	{
+		return 0ul;
+	}
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT u16_t eap_radius_header_base_c::get_data_length() const
+{
+	u32_t length = get_length();
+	if (length >= get_header_length())
+	{
+		return static_cast<u16_t>(length-get_header_length());		
+	}
+	else
+	{
+		return 0ul;
+	}
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT u8_t * eap_radius_header_base_c::get_data_offset(
+	const u32_t p_offset, const u32_t p_continuous_bytes) const
+{
+	if (get_length() >= static_cast<u16_t>(get_header_length()+p_offset+p_continuous_bytes))
+	{
+		u8_t * const data_begin = get_header_offset(m_attributes_offset, sizeof(u8_t));
+		if (data_begin == 0)
+		{
+			return 0;
+		}
+		return &(data_begin[p_offset]);
+	}
+	else
+	{
+		return 0;
+	}
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT void eap_radius_header_base_c::set_code(const eap_radius_code_value_e p_code)
+{
+	u8_t * const code_data = get_header_offset(m_code_offset, sizeof(u8_t));
+	EAP_ASSERT(code_data != 0);
+
+	*code_data = static_cast<u8_t>(p_code);
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT void eap_radius_header_base_c::set_identifier(const u8_t p_identifier)
+{
+	u8_t * const identifier_data = get_header_offset(m_identifier_offset, sizeof(u8_t));
+	EAP_ASSERT(identifier_data != 0);
+
+	*identifier_data = p_identifier;
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT void eap_radius_header_base_c::set_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);
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT void eap_radius_header_base_c::set_data_length(const u16_t data_length)
+{
+	u16_t length = static_cast<u16_t>(data_length+get_header_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>((length & 0xff00) >> 8);
+	length_data[1] = static_cast<u8_t>(length & 0x00ff);
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT eap_const_string eap_radius_header_base_c::get_code_string() const
+{
+	return eap_radius_header_string_c::get_code_string(get_code());
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT eap_status_e eap_radius_header_base_c::check_header() const
+{
+	eap_status_e status = eap_status_process_general_error;
+
+	if (get_code() > eap_radius_code_maximum_supported
+		|| eap_radius_code_maximum_supported < get_code())
+	{
+		status = eap_status_illegal_eap_code;
+
+		EAP_TRACE_DEBUG(
+			get_am_tools(),
+			TRACE_FLAGS_DEFAULT,
+			(EAPL("ERROR: eap_header_c::check_header(), illegal code field 0x%02x, eap_status_e %d\n"),
+			 get_code(),
+			 status));
+	}
+	else
+	{
+		status = eap_status_ok;
+	}
+
+	return EAP_STATUS_RETURN(m_am_tools, status);
+}
+
+/// This function resets the RADIUS-header.
+/// The buffer_length parameter is the length of the RADISU-header and the following attribute data buffer.
+EAP_FUNC_EXPORT void eap_radius_header_base_c::reset_header(u16_t buffer_length)
+{
+	set_code(eap_radius_code_none);
+	set_identifier(0u);
+	set_length(buffer_length);
+}
+
+//--------------------------------------------------
+
+
+
+// End.