156 lines
4.3 KiB
C
156 lines
4.3 KiB
C
/*
|
|
* Copyright (C) 2011 Sansar Choinyambuu
|
|
* 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_attestation_state_t imv_attestation_state
|
|
* @{ @ingroup imv_attestation_state
|
|
*/
|
|
|
|
#ifndef IMV_ATTESTATION_STATE_H_
|
|
#define IMV_ATTESTATION_STATE_H_
|
|
|
|
#include <imv/imv_state.h>
|
|
#include <pts/pts.h>
|
|
#include <pts/components/pts_component.h>
|
|
#include <library.h>
|
|
|
|
typedef struct imv_attestation_state_t imv_attestation_state_t;
|
|
typedef enum imv_attestation_handshake_state_t imv_attestation_handshake_state_t;
|
|
|
|
/**
|
|
* IMV Attestation Handshake States (state machine)
|
|
*/
|
|
enum imv_attestation_handshake_state_t {
|
|
IMV_ATTESTATION_STATE_INIT,
|
|
IMV_ATTESTATION_STATE_NONCE_REQ,
|
|
IMV_ATTESTATION_STATE_TPM_INIT,
|
|
IMV_ATTESTATION_STATE_MEAS,
|
|
IMV_ATTESTATION_STATE_COMP_EVID,
|
|
IMV_ATTESTATION_STATE_END,
|
|
};
|
|
|
|
/**
|
|
* Internal state of an imv_attestation_t connection instance
|
|
*/
|
|
struct imv_attestation_state_t {
|
|
|
|
/**
|
|
* imv_state_t interface
|
|
*/
|
|
imv_state_t interface;
|
|
|
|
/**
|
|
* Get state of the handshake
|
|
*
|
|
* @return the handshake state of IMV
|
|
*/
|
|
imv_attestation_handshake_state_t (*get_handshake_state)(
|
|
imv_attestation_state_t *this);
|
|
|
|
/**
|
|
* Set state of the handshake
|
|
*
|
|
* @param new_state the handshake state of IMV
|
|
*/
|
|
void (*set_handshake_state)(imv_attestation_state_t *this,
|
|
imv_attestation_handshake_state_t new_state);
|
|
|
|
/**
|
|
* Get the PTS object
|
|
*
|
|
* @return PTS object
|
|
*/
|
|
pts_t* (*get_pts)(imv_attestation_state_t *this);
|
|
|
|
/**
|
|
* Add an entry to the list of pending file/directory measurement requests
|
|
*
|
|
* @param file_id primary key into file table
|
|
* @param is_dir TRUE if directory
|
|
* @return unique request ID
|
|
*/
|
|
u_int16_t (*add_file_meas_request)(imv_attestation_state_t *this,
|
|
int file_id, bool is_dir);
|
|
|
|
/**
|
|
* Returns the number of pending file/directory measurement requests
|
|
*
|
|
* @return number of pending requests
|
|
*/
|
|
int (*get_file_meas_request_count)(imv_attestation_state_t *this);
|
|
|
|
/**
|
|
* Check for presence of request_id and if found remove it from the list
|
|
*
|
|
* @param id unique request ID
|
|
* @param file_id primary key into file table
|
|
* @param is_dir return TRUE if request was for a directory
|
|
* @return TRUE if request ID found, FALSE otherwise
|
|
*/
|
|
bool (*check_off_file_meas_request)(imv_attestation_state_t *this,
|
|
u_int16_t id, int *file_id, bool *is_dir);
|
|
|
|
/**
|
|
* Add an entry to the list of Functional Components waiting for evidence
|
|
*
|
|
* @param entry Functional Component
|
|
*/
|
|
void (*add_component)(imv_attestation_state_t *this, pts_component_t *entry);
|
|
|
|
/**
|
|
* Returns the number of Functional Component waiting for evidence
|
|
*
|
|
* @return Number of waiting Functional Components
|
|
*/
|
|
int (*get_component_count)(imv_attestation_state_t *this);
|
|
|
|
/**
|
|
* Check for presence of Functional Component and remove and return it
|
|
*
|
|
* @param name Name of the requested Functional Component
|
|
* @return Functional Component if found, NULL otherwise
|
|
*/
|
|
pts_component_t* (*check_off_component)(imv_attestation_state_t *this,
|
|
pts_comp_func_name_t *name);
|
|
|
|
/**
|
|
* Tell the Functional Components to finalize any measurement registrations
|
|
*/
|
|
void (*check_off_registrations)(imv_attestation_state_t *this);
|
|
|
|
/**
|
|
* Indicates if a file measurement error occurred
|
|
*
|
|
* @return TRUE in case of measurement error
|
|
*/
|
|
bool (*get_measurement_error)(imv_attestation_state_t *this);
|
|
|
|
/**
|
|
* Call if a file measurement error is encountered
|
|
*/
|
|
void (*set_measurement_error)(imv_attestation_state_t *this);
|
|
|
|
};
|
|
|
|
/**
|
|
* Create an imv_attestation_state_t instance
|
|
*
|
|
* @param id connection ID
|
|
*/
|
|
imv_state_t* imv_attestation_state_create(TNC_ConnectionID id);
|
|
|
|
#endif /** IMV_ATTESTATION_STATE_H_ @}*/
|