eapol/eapol_framework/eapol_common/type/tls_peap/tls/include/tls_handshake_header.h
changeset 0 c8830336c852
child 2 1c7bc153c08e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/eapol_common/type/tls_peap/tls/include/tls_handshake_header.h	Thu Dec 17 08:47:43 2009 +0200
@@ -0,0 +1,207 @@
+/*
+* 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.
+*
+*/
+
+
+
+
+#if !defined(_TLS_HANDSHAKE_HEADER_H_)
+#define _TLS_HANDSHAKE_HEADER_H_
+
+#include "eap_tools.h"
+#include "eap_header.h"
+#include "eap_general_header_base.h"
+#include "tls_peap_types.h"
+
+
+/** @file */
+
+/**
+ * This is enumeration of TLS-Handshake message types.
+ */
+enum tls_handshake_type_e
+{
+	tls_handshake_type_hello_request       = (0),
+	tls_handshake_type_client_hello        = (1),
+	tls_handshake_type_server_hello        = (2),
+#if defined(USE_EAP_TLS_SESSION_TICKET)
+	tls_handshake_type_new_session_ticket  = (4),
+#endif // #if defined(USE_EAP_TLS_SESSION_TICKET)
+	tls_handshake_type_certificate         = (11),
+	tls_handshake_type_server_key_exchange = (12),
+	tls_handshake_type_certificate_request = (13),
+	tls_handshake_type_server_hello_done   = (14),
+	tls_handshake_type_certificate_verify  = (15),
+	tls_handshake_type_client_key_exchange = (16),
+	tls_handshake_type_finished            = (20),
+	tls_handshake_type_none                = (255),
+};
+
+//----------------------------------------------------------------------------
+
+
+/// This class defines header of TLS handshake protocol.
+/**
+ * Here is a figure of header of TLS handshake protocol.
+ * TLS-type data follows tls_handshake_header_c.
+ * @code
+ *  TLS handshake-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: aa      | Length: h     | Length: m     | Length: l     |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * 
+ * Handshake message follows immediately the TLS handshake-header.
+ * @endcode
+ * 
+ * @code
+ * The fields of this header are:
+ * 8-bits  m_handshake_type;  This is a protocol type field. Look at tls_handshake_type_e values.
+ * 24-bits m_length;          This is a length field. Length is measured in bytes and it does not include 
+ *                            m_handshake_type, m_length_high, m_length_middle and m_length_low
+ *                            fields, only the length of the following handshake message.
+ * @endcode
+ * 
+ */
+class EAP_EXPORT tls_handshake_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;
+
+	enum sizes
+	{
+		m_max_data_length = TLS_PEAP_MAX_HANDSHAKE_DATA_LENGTH,
+	};
+
+	//--------------------------------------------------
+protected:
+	//--------------------------------------------------
+
+	enum offsets
+	{
+		m_type_offset = 0ul,                                ///< This is offset of the type 8-bit field.
+		m_length_offset = m_type_offset+sizeof(u8_t),       ///< This is offset of the length 24-bit field.
+		m_data_offset = m_length_offset+(3ul*sizeof(u8_t)), ///< This is offset of the data.
+	};
+
+	//--------------------------------------------------
+public:
+	//--------------------------------------------------
+
+	/**
+	 * Destructor does nothing.
+	 */
+	virtual ~tls_handshake_header_c();
+
+	/**
+	 * Constructor initializes class.
+	 */
+	tls_handshake_header_c(
+		abs_eap_am_tools_c * const tools,
+		void * const header_buffer,
+		const u32_t header_buffer_length);
+
+	/**
+	 * This function returns TLS-handshake type.
+	 */
+	tls_handshake_type_e get_handshake_type() const;
+
+	/**
+	 * This function returns data length of TLS-handshake message.
+	 * Length is measured in bytes and it does not include m_handshake_type, m_length_high,
+	 * m_length_middle and m_length_low fields, only the length of the following handshake message.
+	 */
+	u32_t get_data_length() const;
+
+	/**
+	 * This function returns maximum data length of TLS-handshake message.
+	 */
+	static u32_t get_max_data_length();
+
+	/**
+	 * This function returns header length of TLS-handshake message.
+	 */
+	static u32_t get_header_length();
+
+	/**
+	 * This function returns pointer to the offset of data of TLS-handshake message.
+	 */
+	u8_t * get_data_offset(const u32_t offset, const u32_t contignuous_bytes) const;
+
+
+	/**
+	 * This function returns pointer to data of TLS-handshake message.
+	 */
+	u8_t * get_data(const u32_t contignuous_bytes) const;
+
+
+	/**
+	 * This function returns debug string of TLS-handshake type.
+	 */
+	static eap_const_string get_tls_handshake_string(
+		const tls_handshake_type_e type);
+
+	/**
+	 * This function returns debug string of TLS-handshake type.
+	 */
+	eap_const_string get_tls_handshake_string() const;
+
+	/**
+	 * This function sets the TLS-handshake type.
+	 */
+	void set_handshake_type(tls_handshake_type_e handshake_type);
+
+	/**
+	 * This function sets the length of data of the TLS-handshake type.
+	 */
+	void set_data_length(const u32_t p_length);
+
+	/**
+	 * This function resets the header of the TLS-handshake type.
+	 */
+	void reset_header(
+		const u32_t data_length);
+
+	/**
+	 * This function checks header of TLS-handshake message.
+	 */
+	eap_status_e check_header() const;
+
+	/**
+	 * This function checks header of TLS-handshake message
+	 * is required type.
+	 */
+	eap_status_e check_header(
+		const tls_handshake_type_e required_type,
+		const bool /*is_client_when_true*/) const;
+
+	// 
+	//--------------------------------------------------
+}; // class tls_handshake_header_c
+
+
+//--------------------------------------------------
+
+#endif //#if !defined(_TLS_HANDSHAKE_HEADER_H_)
+
+
+
+// End.