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Diffstat (limited to 'src/libcharon/tnc/imv/imv.h')
| -rw-r--r-- | src/libcharon/tnc/imv/imv.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/libcharon/tnc/imv/imv.h b/src/libcharon/tnc/imv/imv.h new file mode 100644 index 000000000..26874ab0b --- /dev/null +++ b/src/libcharon/tnc/imv/imv.h @@ -0,0 +1,175 @@ +/* + * Copyright (C) 2010 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 imv imv + * @ingroup tnc + * + * @defgroup imvt imv + * @{ @ingroup imv + */ + +#ifndef IMV_H_ +#define IMV_H_ + +#include <tnc/tncifimv.h> +#include <library.h> + +typedef struct imv_t imv_t; + +/** + * Controls a single Integrity Measurement Verifier (IMV) + */ +struct imv_t { + + /** + * The TNC Server calls this function to initialize the IMV and agree on + * the API version number to be used. It also supplies the IMV ID, an IMV + * identifier that the IMV must use when calling TNC Server callback functions. + * + * @param imvID IMV ID assigned by TNCS + * @param minVersion minimum API version supported + * @param maxVersion maximum API version supported by TNCS + * @param OutActualVersion mutually supported API version number + * @return TNC result code + */ + TNC_Result (*initialize)(TNC_IMVID imvID, + TNC_Version minVersion, + TNC_Version maxVersion, + TNC_Version *OutActualVersion); + + /** + * The TNC Server calls this function to inform the IMV that the state of + * the network connection identified by connectionID has changed to newState. + * + * @param imvID IMV ID assigned by TNCS + * @param connectionID network connection ID assigned by TNCS + * @param newState new network connection state + * @return TNC result code + */ + TNC_Result (*notify_connection_change)(TNC_IMVID imvID, + TNC_ConnectionID connectionID, + TNC_ConnectionState newState); + + /** + * The TNC Server calls this function at the end of an Integrity Check + * Handshake (after all IMC-IMV messages have been delivered) to solicit + * recommendations from IMVs that have not yet provided a recommendation. + * + * @param imvID IMV ID assigned by TNCS + * @param connectionID network connection ID assigned by TNCS + * @return TNC result code + */ + TNC_Result (*solicit_recommendation)(TNC_IMVID imvID, + TNC_ConnectionID connectionID); + + /** + * The TNC Server calls this function to deliver a message to the IMV. + * The message is contained in the buffer referenced by message and contains + * the number of octets indicated by messageLength. The type of the message + * is indicated by messageType. + * + * @param imvID IMV ID assigned by TNCS + * @param connectionID network connection ID assigned by TNCS + * @param message reference to buffer containing message + * @param messageLength number of octets in message + * @param messageType message type of message + * @return TNC result code + */ + TNC_Result (*receive_message)(TNC_IMVID imvID, + TNC_ConnectionID connectionID, + TNC_BufferReference message, + TNC_UInt32 messageLength, + TNC_MessageType messageType); + + /** + * The TNC Server calls this function to notify IMVs that all IMC messages + * received in a batch have been delivered and this is the IMV’s last chance + * to send a message in the batch of IMV messages currently being collected. + * + * @param imvID IMV ID assigned by TNCS + * @param connectionID network connection ID assigned by TNCS + * @return TNC result code + */ + TNC_Result (*batch_ending)(TNC_IMVID imvID, + TNC_ConnectionID connectionID); + + /** + * The TNC Server calls this function to close down the IMV. + * + * @param imvID IMV ID assigned by TNCS + * @return TNC result code + */ + TNC_Result (*terminate)(TNC_IMVID imvID); + + /** + * IMVs implementing the UNIX/Linux Dynamic Linkage platform binding MUST + * define this additional function. The TNC Server MUST call the function + * immediately after calling TNC_IMV_Initialize to provide a pointer to the + * TNCS bind function. The IMV can then use the TNCS bind function to obtain + * pointers to any other TNCS functions. + * + * @param imvID IMV ID assigned by TNCS + * @param bindFunction pointer to TNC_TNCS_BindFunction + * @return TNC result code + */ + TNC_Result (*provide_bind_function)(TNC_IMVID imvID, + TNC_TNCS_BindFunctionPointer bindFunction); + + /** + * Sets the ID of an imv_t object. + * + * @param id IMV ID to be assigned + */ + void (*set_id)(imv_t *this, TNC_IMVID id); + + /** + * Returns the ID of an imv_t object. + * + * @return IMV ID assigned by TNCS + */ + TNC_IMVID (*get_id)(imv_t *this); + + /** + * Returns the name of an imv_t object. + * + * @return name of IMV + */ + char* (*get_name)(imv_t *this); + + /** + * Sets the supported message types of an imv_t object. + * + * @param supported_types list of messages type supported by IMV + * @param type_count number of supported message types + */ + void (*set_message_types)(imv_t *this, TNC_MessageTypeList supported_types, + TNC_UInt32 type_count); + + /** + * Check if the IMV supports a given message type. + * + * @param message_type message type + * @return TRUE if supported + */ + bool (*type_supported)(imv_t *this, TNC_MessageType message_type); + + /** + * Destroys an imv_t object. + */ + void (*destroy)(imv_t *this); +}; + +#endif /** IMV_H_ @}*/ |