Annotation of embedaddon/strongswan/src/libimcv/imc/imc_agent.h, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2011-2014 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: *
! 18: * @defgroup imc_agent_t imc_agent
! 19: * @{ @ingroup libimcv_imc
! 20: */
! 21:
! 22: #ifndef IMC_AGENT_H_
! 23: #define IMC_AGENT_H_
! 24:
! 25: #include "imc_state.h"
! 26: #include "pa_tnc/pa_tnc_msg.h"
! 27:
! 28: #include <tncifimc.h>
! 29: #include <pen/pen.h>
! 30: #include <collections/linked_list.h>
! 31:
! 32: #include <library.h>
! 33:
! 34: typedef struct imc_agent_t imc_agent_t;
! 35:
! 36: /**
! 37: * Core functions of an Integrity Measurement Verifier (IMC)
! 38: */
! 39: struct imc_agent_t {
! 40:
! 41: /**
! 42: * Ask a TNCC to retry an Integrity Check Handshake
! 43: *
! 44: * @param imc_id IMC ID assigned by TNCC
! 45: * @param connection_id network connection ID assigned by TNCC
! 46: * @param reason IMC retry reason
! 47: * @return TNC result code
! 48: */
! 49: TNC_Result (*request_handshake_retry)(TNC_IMCID imc_id,
! 50: TNC_ConnectionID connection_id,
! 51: TNC_RetryReason reason);
! 52:
! 53: /**
! 54: * Call when an IMC-IMC message is to be sent
! 55: *
! 56: * @param imc_id IMC ID assigned by TNCC
! 57: * @param connection_id network connection ID assigned by TNCC
! 58: * @param msg message to send
! 59: * @param msg_len message length in bytes
! 60: * @param msg_type message type
! 61: * @return TNC result code
! 62: */
! 63: TNC_Result (*send_message)(TNC_IMCID imc_id,
! 64: TNC_ConnectionID connection_id,
! 65: TNC_BufferReference msg,
! 66: TNC_UInt32 msg_len,
! 67: TNC_MessageType msg_type);
! 68:
! 69: /**
! 70: * Call when an IMC-IMC message is to be sent with long message types
! 71: *
! 72: * @param imc_id IMC ID assigned by TNCC
! 73: * @param connection_id network connection ID assigned by TNCC
! 74: * @param msg_flags message flags
! 75: * @param msg message to send
! 76: * @param msg_len message length in bytes
! 77: * @param msg_vid message vendor ID
! 78: * @param msg_subtype message subtype
! 79: * @param dst_imc_id destination IMV ID
! 80: * @return TNC result code
! 81: */
! 82: TNC_Result (*send_message_long)(TNC_IMCID imc_id,
! 83: TNC_ConnectionID connection_id,
! 84: TNC_UInt32 msg_flags,
! 85: TNC_BufferReference msg,
! 86: TNC_UInt32 msg_len,
! 87: TNC_VendorID msg_vid,
! 88: TNC_MessageSubtype msg_subtype,
! 89: TNC_UInt32 dst_imv_id);
! 90:
! 91: /**
! 92: * Bind TNCC functions
! 93: *
! 94: * @param bind_function function offered by the TNCC
! 95: * @return TNC result code
! 96: */
! 97: TNC_Result (*bind_functions)(imc_agent_t *this,
! 98: TNC_TNCC_BindFunctionPointer bind_function);
! 99:
! 100: /**
! 101: * Create the IMC state for a TNCCS connection instance
! 102: *
! 103: * @param state internal IMC state instance
! 104: * @return TNC result code
! 105: */
! 106: TNC_Result (*create_state)(imc_agent_t *this, imc_state_t *state);
! 107:
! 108: /**
! 109: * Delete the IMC state for a TNCCS connection instance
! 110: *
! 111: * @param connection_id network connection ID assigned by TNCS
! 112: * @return TNC result code
! 113: */
! 114: TNC_Result (*delete_state)(imc_agent_t *this,
! 115: TNC_ConnectionID connection_id);
! 116:
! 117: /**
! 118: * Change the current state of a TNCCS connection
! 119: *
! 120: * @param connection_id network connection ID assigned by TNCS
! 121: * @param new_state new state of TNCCS connection
! 122: * @param state_p internal IMC state instance [optional argument]
! 123: * @return TNC result code
! 124: */
! 125: TNC_Result (*change_state)(imc_agent_t *this,
! 126: TNC_ConnectionID connection_id,
! 127: TNC_ConnectionState new_state,
! 128: imc_state_t **state_p);
! 129:
! 130: /**
! 131: * Get the IMC state for a TNCCS connection instance
! 132: *
! 133: * @param connection_id network connection ID assigned by TNCS
! 134: * @param state internal IMC state instance
! 135: * @return TRUE if the state was found
! 136: */
! 137: bool (*get_state)(imc_agent_t *this,
! 138: TNC_ConnectionID connection_id, imc_state_t **state);
! 139:
! 140: /**
! 141: * Get IMC name
! 142: *
! 143: * return IMC name
! 144: */
! 145: const char* (*get_name)(imc_agent_t *this);
! 146:
! 147: /**
! 148: * Get base IMC ID
! 149: *
! 150: * return base IMC ID
! 151: */
! 152: TNC_IMCID (*get_id)(imc_agent_t *this);
! 153:
! 154: /**
! 155: * Reserve additional IMC IDs from TNCC
! 156: *
! 157: * @param count number of additional IMC IDs to be assigned
! 158: * @return TNC result code
! 159: */
! 160: TNC_Result (*reserve_additional_ids)(imc_agent_t *this, int count);
! 161:
! 162: /**
! 163: * Return the number of additional IMC IDs assigned by the TNCC
! 164: *
! 165: * @return number of additional IMC IDs
! 166: */
! 167: int (*count_additional_ids)(imc_agent_t *this);
! 168:
! 169: /**
! 170: * Create an enumerator for the additional IMC IDs
! 171: */
! 172: enumerator_t* (*create_id_enumerator)(imc_agent_t *this);
! 173:
! 174: /**
! 175: * Add an item to the list of non-fatal unsupported PA-TNC attribute types
! 176: */
! 177: void (*add_non_fatal_attr_type)(imc_agent_t *this, pen_type_t type);
! 178:
! 179: /**
! 180: * Get a list of non-fatal unsupported PA-TNC attribute types
! 181: */
! 182: linked_list_t* (*get_non_fatal_attr_types)(imc_agent_t *this);
! 183:
! 184: /**
! 185: * Is the transport protocol PT-TLS?
! 186: *
! 187: * return TRUE if PT-TLS
! 188: */
! 189: bool (*has_pt_tls)(imc_agent_t *this);
! 190:
! 191: /**
! 192: * Destroys an imc_agent_t object
! 193: */
! 194: void (*destroy)(imc_agent_t *this);
! 195: };
! 196:
! 197: /**
! 198: * Create an imc_agent_t object
! 199: *
! 200: * @param name name of the IMC
! 201: * @param supported_types list of message types registered by the IMC
! 202: * @param type_count number of registered message types
! 203: * @param id ID of the IMC as assigned by the TNCS
! 204: * @param actual_version actual version of the IF-IMC API
! 205: *
! 206: */
! 207: imc_agent_t *imc_agent_create(const char *name,
! 208: pen_type_t *supported_types, uint32_t type_count,
! 209: TNC_IMCID id, TNC_Version *actual_version);
! 210:
! 211: #endif /** IMC_AGENT_H_ @}*/
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