Annotation of embedaddon/strongswan/src/libimcv/plugins/imv_attestation/imv_attestation_state.h, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2011-2012 Sansar Choinyambuu, Andreas Steffen
! 3: * HSR Hochschule fuer Technik Rapperswil
! 4: *
! 5: * This program is free software; you can redistribute it and/or modify it
! 6: * under the terms of the GNU General Public License as published by the
! 7: * Free Software Foundation; either version 2 of the License, or (at your
! 8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
! 9: *
! 10: * This program is distributed in the hope that it will be useful, but
! 11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
! 13: * for more details.
! 14: */
! 15:
! 16: /**
! 17: * @defgroup imv_attestation imv_attestation
! 18: * @ingroup libimcv_plugins
! 19: *
! 20: * @defgroup imv_attestation_state_t imv_attestation_state
! 21: * @{ @ingroup imv_attestation
! 22: */
! 23:
! 24: #ifndef IMV_ATTESTATION_STATE_H_
! 25: #define IMV_ATTESTATION_STATE_H_
! 26:
! 27: #include <imv/imv_state.h>
! 28: #include <imv/imv_reason_string.h>
! 29: #include <pts/pts.h>
! 30: #include <pts/pts_database.h>
! 31: #include <pts/components/pts_component.h>
! 32:
! 33: #include <library.h>
! 34: #include <bio/bio_writer.h>
! 35:
! 36: typedef struct imv_attestation_state_t imv_attestation_state_t;
! 37: typedef enum imv_attestation_flag_t imv_attestation_flag_t;
! 38: typedef enum imv_attestation_handshake_state_t imv_attestation_handshake_state_t;
! 39: typedef enum imv_meas_error_t imv_meas_error_t;
! 40:
! 41: /**
! 42: * IMV Attestation Flags set for completed actions
! 43: */
! 44: enum imv_attestation_flag_t {
! 45: IMV_ATTESTATION_ATTR_PRODUCT_INFO = (1<<0),
! 46: IMV_ATTESTATION_ATTR_STRING_VERSION = (1<<1),
! 47: IMV_ATTESTATION_ATTR_DEVICE_ID = (1<<2),
! 48: IMV_ATTESTATION_ATTR_MUST = (1<<3)-1,
! 49: IMV_ATTESTATION_ATTR_REQ = (1<<3),
! 50: IMV_ATTESTATION_ALGO = (1<<4),
! 51: IMV_ATTESTATION_DH_NONCE = (1<<5),
! 52: IMV_ATTESTATION_AIK = (1<<6),
! 53: IMV_ATTESTATION_FILE_MEAS = (1<<7),
! 54: IMV_ATTESTATION_REC = (1<<8)
! 55: };
! 56:
! 57: /**
! 58: * IMV Attestation Handshake States (state machine)
! 59: */
! 60: enum imv_attestation_handshake_state_t {
! 61: IMV_ATTESTATION_STATE_INIT,
! 62: IMV_ATTESTATION_STATE_DISCOVERY,
! 63: IMV_ATTESTATION_STATE_NONCE_REQ,
! 64: IMV_ATTESTATION_STATE_TPM_INIT,
! 65: IMV_ATTESTATION_STATE_COMP_EVID,
! 66: IMV_ATTESTATION_STATE_EVID_FINAL,
! 67: IMV_ATTESTATION_STATE_END,
! 68: };
! 69:
! 70: /**
! 71: * IMV Measurement Error Types
! 72: */
! 73: enum imv_meas_error_t {
! 74: IMV_ATTESTATION_ERROR_FILE_MEAS_FAIL = 1,
! 75: IMV_ATTESTATION_ERROR_FILE_MEAS_PEND = 2,
! 76: IMV_ATTESTATION_ERROR_NO_TRUSTED_AIK = 4,
! 77: IMV_ATTESTATION_ERROR_COMP_EVID_FAIL = 8,
! 78: IMV_ATTESTATION_ERROR_COMP_EVID_PEND = 16,
! 79: IMV_ATTESTATION_ERROR_TPM_QUOTE_FAIL = 32
! 80: };
! 81:
! 82: /**
! 83: * Internal state of an imv_attestation_t connection instance
! 84: */
! 85: struct imv_attestation_state_t {
! 86:
! 87: /**
! 88: * imv_state_t interface
! 89: */
! 90: imv_state_t interface;
! 91:
! 92: /**
! 93: * Get state of the handshake
! 94: *
! 95: * @return the handshake state of IMV
! 96: */
! 97: imv_attestation_handshake_state_t (*get_handshake_state)(
! 98: imv_attestation_state_t *this);
! 99:
! 100: /**
! 101: * Set state of the handshake
! 102: *
! 103: * @param new_state the handshake state of IMV
! 104: */
! 105: void (*set_handshake_state)(imv_attestation_state_t *this,
! 106: imv_attestation_handshake_state_t new_state);
! 107:
! 108: /**
! 109: * Get the PTS object
! 110: *
! 111: * @return PTS object
! 112: */
! 113: pts_t* (*get_pts)(imv_attestation_state_t *this);
! 114:
! 115: /**
! 116: * Create and add an entry to the list of Functional Components
! 117: *
! 118: * @param name Component Functional Name (cloned)
! 119: * @param depth Sub-component Depth
! 120: * @param pts_db PTS measurement database
! 121: * @return created functional component instance or NULL
! 122: */
! 123: pts_component_t* (*create_component)(imv_attestation_state_t *this,
! 124: pts_comp_func_name_t *name,
! 125: uint32_t depth,
! 126: pts_database_t *pts_db);
! 127:
! 128: /**
! 129: * Enumerate over all Functional Components
! 130: *
! 131: * @return Functional Component enumerator
! 132: */
! 133: enumerator_t* (*create_component_enumerator)(imv_attestation_state_t *this);
! 134:
! 135: /**
! 136: * Get a Functional Component with a given name
! 137: *
! 138: * @param name Name of the requested Functional Component
! 139: * @return Functional Component if found, NULL otherwise
! 140: */
! 141: pts_component_t* (*get_component)(imv_attestation_state_t *this,
! 142: pts_comp_func_name_t *name);
! 143:
! 144: /**
! 145: * Tell the Functional Components to finalize any measurement registrations
! 146: * and to check if all expected measurements were received
! 147: *
! 148: * @param result Writer appending component measurement results
! 149: */
! 150: void (*finalize_components)(imv_attestation_state_t *this,
! 151: bio_writer_t *result);
! 152:
! 153: /**
! 154: * Indicates the types of measurement errors that occurred
! 155: *
! 156: * @return Measurement error flags
! 157: */
! 158: uint32_t (*get_measurement_error)(imv_attestation_state_t *this);
! 159:
! 160: /**
! 161: * Call if a measurement error is encountered
! 162: *
! 163: * @param error Measurement error type
! 164: */
! 165: void (*set_measurement_error)(imv_attestation_state_t *this,
! 166: uint32_t error);
! 167:
! 168: /**
! 169: * Returns a concatenation of File Measurement reason strings
! 170: *
! 171: * @param reason_string Concatenated reason strings
! 172: */
! 173: void (*add_file_meas_reasons)(imv_attestation_state_t *this,
! 174: imv_reason_string_t *reason_string);
! 175:
! 176: /**
! 177: * Returns a concatenation of Component Evidence reason strings
! 178: *
! 179: * @param reason_string Concatenated reason strings
! 180: */
! 181: void (*add_comp_evid_reasons)(imv_attestation_state_t *this,
! 182: imv_reason_string_t *reason_string);
! 183: };
! 184:
! 185: /**
! 186: * Create an imv_attestation_state_t instance
! 187: *
! 188: * @param id connection ID
! 189: */
! 190: imv_state_t* imv_attestation_state_create(TNC_ConnectionID id);
! 191:
! 192: #endif /** IMV_ATTESTATION_STATE_H_ @}*/
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