eapol/eapol_framework/wapi_common/include/ec_cs_tlv_header.h
changeset 17 8840d3e38314
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/wapi_common/include/ec_cs_tlv_header.h	Fri Mar 19 09:29:58 2010 +0200
@@ -0,0 +1,225 @@
+/*
+* ============================================================================
+*  Name        : ./accesssec/eapol/eapol_framework/wapi_common/include/ec_cs_tlv_header.h
+*  Part of     : WAPI / WAPI       *** Info from the SWAD
+*  Description : WAPI authentication
+*  Version     : %version: 12 % << 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: 4.2
+*/
+
+
+
+#if !defined(_EC_CS_TLV_HEADER_H_)
+#define _EC_CS_TLV_HEADER_H_
+
+#if defined(USE_WAPI_CORE)
+
+#include "eap_tools.h"
+#include "eap_general_header_base.h"
+#include "ec_cs_types.h"
+
+/** @file */
+
+
+//----------------------------------------------------------------------------
+
+
+/// This class defines header of Attribute-Value Pairs.
+/**
+ * Here is a figure of header of Attribute-Value Pairs.
+ * Value data follows ec_cs_tlv_header_c.
+ * @code
+ *  TLV-header:
+ *  0                   1                   2                   3   
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |             Type              |            Length             |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                              Value...
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * @endcode
+ * 
+ * @code
+ * The fields of this header are:
+ * 16-bits Type;                   This is a TLV type.
+ * 16-bits value length (Length);  This is a length field, the length (in bytes) of the following value.
+ * @endcode
+ * 
+ * For details see <a href="../../../internal/doc/WAPI/WAPI_design.doc">WAPI_design.doc</a>.
+ */
+class EAP_EXPORT ec_cs_tlv_header_c
+: public eap_general_header_base_c
+{
+private:
+	//--------------------------------------------------
+
+	/// This is pointer to the tools class.
+	abs_eap_am_tools_c * const m_am_tools;
+
+	//--------------------------------------------------
+protected:
+	//--------------------------------------------------
+
+	/// This is enumeration of offsets to data fields.
+	enum sizes
+	{
+		m_type_size = sizeof(u16_t),    ///< This is size of type 16-bit field.
+		m_length_size = sizeof(u16_t), ///< This is size of length 16-bit field.
+	};
+
+	/// This is enumeration of offsets to data fields.
+	enum offsets
+	{
+		m_type_offset = 0ul,                           ///< This is offset to type 16-bit field.
+		m_length_offset = m_type_offset+m_type_size,   ///< This is offset to length 16-bit field.
+		m_data_offset = m_length_offset+m_length_size, ///< This is offset to data field.
+	};
+
+	//--------------------------------------------------
+public:
+	//--------------------------------------------------
+
+	/**
+	 * The destructor of the ec_cs_tlv_header_c class does nothing.
+	 */
+	virtual ~ec_cs_tlv_header_c();
+
+	/**
+	 * The constructor of the ec_cs_tlv_header_c class simply initializes the attributes.
+	 */
+	ec_cs_tlv_header_c(
+		abs_eap_am_tools_c * const tools,
+		void * const header_begin,
+		const u32_t header_buffer_length);
+
+	/**
+	 * This function returns the TLV Type.
+	 */
+	ec_cs_tlv_type_e get_type() const;
+
+	/**
+	 * This function returns the data length of TLV.
+	 */
+	u32_t get_data_length() const;
+
+	/**
+	 * This function returns the header length of TLV.
+	 */
+	static u32_t get_header_length();
+
+	/**
+	 * 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 * get_data_offset(const u32_t offset, const u32_t contignuous_bytes) const;
+
+
+	/**
+	 * This function returns pointer to the offset of data of TLV.
+	 * @param contignuous_bytes is the length of queried data in bytes.
+	 */
+	u8_t * get_data(const u32_t contignuous_bytes) const;
+
+
+	/**
+	 * This function return pointer to the next TLV header in the same buffer.
+	 */
+	u8_t * get_next_header() const;
+
+
+	/**
+	 * This function checks the header is valid.
+	 */
+	eap_status_e check_header() const;
+
+	/**
+	 * This function returns debug strings of the TLV type.
+	 */
+	static eap_const_string get_tlv_string(const ec_cs_tlv_type_e type);
+
+	/**
+	 * This function returns debug strings of the TLV type.
+	 */
+	eap_const_string get_tlv_string() const;
+
+	/**
+	 * This function sets the TLV Type.
+	 */
+	eap_status_e set_type(const ec_cs_tlv_type_e type);
+
+	/**
+	 * This function sets the TLV data length.
+	 */
+	eap_status_e set_data_length(const u32_t p_length);
+
+	/**
+	 * This function resets the TLV header.
+	 */
+	eap_status_e reset_header();
+
+	/**
+	 * This function resets the TLV header object.
+	 */
+	eap_status_e reset();
+
+	// 
+	//--------------------------------------------------
+}; // class ec_cs_tlv_header_c
+
+//----------------------------------------------------------------------------------
+
+/// Macro traces payload type and data.
+#define EC_CS_TLV_TRACE_PAYLOAD(prefix, payload, when_true_is_client) \
+	{ \
+		EAP_TRACE_DEBUG( \
+			m_am_tools, TRACE_FLAGS_DEFAULT|TRACE_TEST_VECTORS, \
+			(EAPL("v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v \n"))); \
+		if ((payload) != 0 && (payload)->get_is_valid() == true)									\
+		{ \
+			EAP_TRACE_DATA_DEBUG(m_am_tools, TRACE_FLAGS_DEFAULT|TRACE_TEST_VECTORS, \
+				(EAPL("- buffer"), (payload)->get_header_buffer((payload)->get_header_buffer_length()), \
+				 (payload)->get_header_buffer_length()));				\
+			EAP_TRACE_DEBUG(											\
+				m_am_tools, TRACE_FLAGS_DEFAULT|TRACE_TEST_VECTORS,		\
+				(EAPL("- %s %s (0x%08x): TLV type 0x%04x=%s, data length 0x%04x.\n"), \
+				 prefix,												\
+				 ((when_true_is_client) == true ? "client" : "server"), \
+				 (payload)->get_header_buffer((payload)->get_data_length()), \
+				 (payload)->get_type(),									\
+				 (payload)->get_tlv_string(),							\
+				 (payload)->get_data_length()));						\
+			EAP_TRACE_DATA_DEBUG(m_am_tools, TRACE_FLAGS_DEFAULT|TRACE_TEST_VECTORS, \
+				((payload)->get_tlv_string(), (payload)->get_data((payload)->get_data_length()), \
+				 (payload)->get_data_length()));						\
+		} \
+		else \
+		{ \
+			EAP_TRACE_DEBUG(									\
+				m_am_tools, TRACE_FLAGS_DEFAULT|TRACE_TEST_VECTORS,		\
+				(EAPL("payload=0x%08x is illegal.\n"), payload));				\
+		} \
+		EAP_TRACE_DEBUG( \
+			m_am_tools, TRACE_FLAGS_DEFAULT|TRACE_TEST_VECTORS, \
+			(EAPL("^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ \n"))); \
+	}
+
+//----------------------------------------------------------------------------------
+
+#endif //#if defined(USE_WAPI_CORE)
+
+#endif //#if !defined(_EC_CS_TLV_HEADER_H_)
+
+
+
+// End.