Imported Upstream version 4.6.4

1 files changed, 175 insertions, 0 deletions

diff --git a/src/libimcv/imc/imc_agent.h b/src/libimcv/imc/imc_agent.h
new file mode 100644
index 000000000..d1fef4d8d
--- /dev/null
+++ b/src/libimcv/imc/imc_agent.h
@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2011 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ *
+ * @defgroup imc_agent_t imc_agent
+ * @{ @ingroup imc_agent
+ */
+
+#ifndef IMC_AGENT_H_
+#define IMC_AGENT_H_
+
+#include "imc_state.h"
+#include "pa_tnc/pa_tnc_msg.h"
+
+#include <tncifimc.h>
+#include <pen/pen.h>
+
+#include <library.h>
+
+typedef struct imc_agent_t imc_agent_t;
+
+/**
+ * Core functions of an Integrity Measurement Verifier (IMC)
+ */
+struct imc_agent_t {
+
+	/**
+	 * Ask a TNCC to retry an Integrity Check Handshake
+	 *
+	 * @param imc_id			IMC ID assigned by TNCC
+	 * @param connection_id		network connection ID assigned by TNCC
+	 * @param reason			IMC retry reason
+	 * @return					TNC result code
+	 */
+	TNC_Result (*request_handshake_retry)(TNC_IMCID imc_id,
+										  TNC_ConnectionID connection_id,
+										  TNC_RetryReason reason);
+
+	/**
+	 * Bind TNCC functions
+	 *
+	 * @param bind_function		function offered by the TNCC
+	 * @return					TNC result code
+	 */
+	TNC_Result (*bind_functions)(imc_agent_t *this,
+								 TNC_TNCC_BindFunctionPointer bind_function);
+
+	/**
+	 * Create the IMC state for a TNCCS connection instance
+	 *
+	 * @param state				internal IMC state instance
+	 * @return					TNC result code
+	 */
+	TNC_Result (*create_state)(imc_agent_t *this, imc_state_t *state);
+
+	/**
+	 * Delete the IMC state for a TNCCS connection instance
+	 *
+	 * @param connection_id		network connection ID assigned by TNCS
+	 * @return					TNC result code
+	 */
+	TNC_Result (*delete_state)(imc_agent_t *this,
+							   TNC_ConnectionID connection_id);
+
+	/**
+	 * Change the current state of a TNCCS connection
+	 *
+	 * @param connection_id		network connection ID assigned by TNCS
+	 * @param new_state			new state of TNCCS connection
+	 * @param state_p			internal IMC state instance [optional argument]
+	 * @return					TNC result code
+	 */
+	TNC_Result (*change_state)(imc_agent_t *this,
+							   TNC_ConnectionID connection_id,
+							   TNC_ConnectionState new_state,
+							   imc_state_t **state_p);
+
+	/**
+	 * Get the IMC state for a TNCCS connection instance
+	 *
+	 * @param connection_id		network connection ID assigned by TNCS
+	 * @param state				internal IMC state instance
+	 * @return					TRUE if the state was found
+	 */
+	bool (*get_state)(imc_agent_t *this,
+					  TNC_ConnectionID connection_id, imc_state_t **state);
+
+	/**
+	 * Call when an PA-TNC message is to be sent
+	 *
+	 * @param connection_id		network connection ID assigned by TNCC
+	 * @param excl				exclusive flag
+	 * @param src_imc_id		IMC ID to be set as source
+	 * @param dst_imv_id		IMV ID to be set as destination
+	 * @param msg				message to send
+	 * @return					TNC result code
+	 */
+	TNC_Result (*send_message)(imc_agent_t *this,
+							   TNC_ConnectionID connection_id, bool excl,
+							   TNC_UInt32 src_imc_id, TNC_UInt32 dst_imv_id,
+							   chunk_t msg);
+
+	/**
+	 * Call when a PA-TNC message was received
+	 *
+	 * @param state				state for current connection
+	 * @param msg				received unparsed message
+	 * @param msg_vid			message vendorID of the received message
+	 * @param msg_subtype		message subtype of the received message
+	 * @param src_imv_id		source IMV ID
+	 * @param dst_imc_id		destination IMC ID
+	 * @param pa_tnc_message	parsed PA-TNC message or NULL if an error occurred
+	 * @return					TNC result code
+	 */
+	TNC_Result (*receive_message)(imc_agent_t *this,
+								  imc_state_t *state, chunk_t msg,
+								  TNC_VendorID msg_vid,
+								  TNC_MessageSubtype msg_subtype,
+								  TNC_UInt32 src_imv_id,
+								  TNC_UInt32 dst_imc_id,
+								  pa_tnc_msg_t **pa_tnc_msg);
+
+	/**
+	 * Reserve additional IMC IDs from TNCC
+	 *
+	 * @param count				number of additional IMC IDs to be assigned
+	 * @return					TNC result code
+	 */
+	TNC_Result (*reserve_additional_ids)(imc_agent_t *this, int count);
+
+	/**
+	 * Return the number of additional IMC IDs assigned by the TNCC
+	 *
+	 * @return					number of additional IMC IDs
+	 */
+	int (*count_additional_ids)(imc_agent_t *this);
+
+	/**
+	 * Create an enumerator for the additional IMC IDs
+	 */
+	enumerator_t* (*create_id_enumerator)(imc_agent_t *this);
+
+	/**
+	 * Destroys an imc_agent_t object
+	 */
+	void (*destroy)(imc_agent_t *this);
+};
+
+/**
+ * Create an imc_agent_t object
+ *
+ * @param name				name of the IMC
+ * @param vendor_id			vendor ID of the IMC
+ * @param subtype			message subtype of the IMC
+ * @param id				ID of the IMC as assigned by the TNCS
+ * @param actual_version	actual version of the IF-IMC API
+ *
+ */
+imc_agent_t *imc_agent_create(const char *name,
+							  pen_t vendor_id, u_int32_t subtype,
+							  TNC_IMCID id, TNC_Version *actual_version);
+
+#endif /** IMC_AGENT_H_ @}*/