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Diffstat (limited to 'wilink_6_1/stad/src/Connection_Managment/broadcastKey802_1x.c')
| -rw-r--r-- | wilink_6_1/stad/src/Connection_Managment/broadcastKey802_1x.c | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/wilink_6_1/stad/src/Connection_Managment/broadcastKey802_1x.c b/wilink_6_1/stad/src/Connection_Managment/broadcastKey802_1x.c new file mode 100644 index 0000000..d1a2d69 --- /dev/null +++ b/wilink_6_1/stad/src/Connection_Managment/broadcastKey802_1x.c @@ -0,0 +1,335 @@ +/* + * broadcastKey802_1x.c + * + * Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Texas Instruments nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** \file broadcastKey802_1x.c + * \brief broadcast key 802.1x implementation + * + * \see broadcastKey802_1x.h +*/ + +/**************************************************************************** + * * + * MODULE: 802.1x station broadcast key SM * + * PURPOSE: 802.1x station broadcast key SM implementation * + * * + ****************************************************************************/ + +#define __FILE_ID__ FILE_ID_22 +#include "osApi.h" +#include "report.h" +#include "rsnApi.h" + +#include "keyDerive.h" + +#include "broadcastKey802_1x.h" +#include "mainKeysSm.h" + + +TI_STATUS broadcastKey802_1x_start(struct _broadcastKey_t *pBroadcastKey); + +TI_STATUS broadcastKey802_1x_stop(struct _broadcastKey_t *pBroadcastKey); + +TI_STATUS broadcastKey802_1x_recvSuccess(struct _broadcastKey_t *pBroadcastKey, + encodedKeyMaterial_t *pEncodedKeyMaterial); + +TI_STATUS broadcastKey802_1x_recvFailure(struct _broadcastKey_t *pBroadcastKey); + +TI_STATUS broadcastKey802_1x_distribute(struct _broadcastKey_t *pBroadcastKey); + +TI_STATUS broadcastKey802_1x_redistribute(struct _broadcastKey_t *pBroadcastKey); + +TI_STATUS broadcastKey802_1x_event(struct _broadcastKey_t *pBroadcastKey, + TI_UINT8 event, + void *pData); + + +/** +* +* Function - Init KEY Parser module. +* +* \b Description: +* +* Called by RSN Manager. +* Registers the function 'rsn_BroadcastKeyRecv()' at the distributor to receive KEY frames upon receiving a KEY_RECV event. +* +* \b ARGS: +* +* +* \b RETURNS: +* +* TI_STATUS - 0 on success, any other value on failure. +* +*/ + +TI_STATUS broadcastKey802_1x_config(struct _broadcastKey_t *pBroadcastKey) +{ + TI_STATUS status = TI_NOK; + + /** Station broadcast key State Machine matrix */ + fsm_actionCell_t broadcastKey802_1x_matrix[BCAST_KEY_802_1X_NUM_STATES][BCAST_KEY_802_1X_NUM_EVENTS] = + { + /* next state and actions for IDLE state */ + { {BCAST_KEY_802_1X_STATE_START, (fsm_Action_t)broadcastKeySmNop}, + {BCAST_KEY_802_1X_STATE_IDLE, (fsm_Action_t)broadcastKeySmNop}, + {BCAST_KEY_802_1X_STATE_IDLE, (fsm_Action_t)broadcastKeySmNop}, + {BCAST_KEY_802_1X_STATE_IDLE, (fsm_Action_t)broadcastKeySmUnexpected} + }, + + /* next state and actions for START state */ + { {BCAST_KEY_802_1X_STATE_START, (fsm_Action_t)broadcastKeySmUnexpected}, + {BCAST_KEY_802_1X_STATE_IDLE, (fsm_Action_t)broadcastKeySmNop}, + {BCAST_KEY_802_1X_STATE_COMPLETE, (fsm_Action_t)broadcastKey802_1x_distribute}, + {BCAST_KEY_802_1X_STATE_START, (fsm_Action_t)broadcastKeySmNop} + }, + + /* next state and actions for COMPLETE state */ + { {BCAST_KEY_802_1X_STATE_COMPLETE, (fsm_Action_t)broadcastKeySmUnexpected}, + {BCAST_KEY_802_1X_STATE_IDLE, (fsm_Action_t)broadcastKeySmNop}, + {BCAST_KEY_802_1X_STATE_COMPLETE, (fsm_Action_t)broadcastKey802_1x_distribute}, + {BCAST_KEY_802_1X_STATE_COMPLETE, (fsm_Action_t)broadcastKeySmUnexpected} + } + }; + + + pBroadcastKey->start = broadcastKey802_1x_start; + pBroadcastKey->stop = broadcastKey802_1x_stop; + pBroadcastKey->recvFailure = broadcastKey802_1x_recvFailure; + pBroadcastKey->recvSuccess = broadcastKey802_1x_recvSuccess; + + pBroadcastKey->currentState = BCAST_KEY_802_1X_STATE_IDLE; + + status = fsm_Config(pBroadcastKey->pBcastKeySm, + &broadcastKey802_1x_matrix[0][0], + BCAST_KEY_802_1X_NUM_STATES, + BCAST_KEY_802_1X_NUM_EVENTS, + NULL, pBroadcastKey->hOs); + + + + return status; +} + + +/** +* +* broadcastKey802_1x_event +* +* \b Description: +* +* broadcast key state machine transition function +* +* \b ARGS: +* +* I/O - currentState - current state in the state machine\n +* I - event - specific event for the state machine\n +* I - pData - Data for state machine action function\n +* +* \b RETURNS: +* +* TI_OK on success, TI_NOK otherwise. +* +* \sa +*/ +TI_STATUS broadcastKey802_1x_event(struct _broadcastKey_t *pBroadcastKey, TI_UINT8 event, void *pData) +{ + TI_STATUS status; + TI_UINT8 nextState; + + status = fsm_GetNextState(pBroadcastKey->pBcastKeySm, pBroadcastKey->currentState, event, &nextState); + if (status != TI_OK) + { +TRACE0(pBroadcastKey->hReport, REPORT_SEVERITY_ERROR, "BROADCAST_KEY_SM: ERROR: failed getting next state\n"); + return TI_NOK; + } + +TRACE3(pBroadcastKey->hReport, REPORT_SEVERITY_INFORMATION, "STATION_BROADCAST_KEY_SM: <currentState = %d, event = %d> --> nextState = %d\n", pBroadcastKey->currentState, event, nextState); + + status = fsm_Event(pBroadcastKey->pBcastKeySm, &pBroadcastKey->currentState, event, pData); + + return status; +} + + +/** +* +* broadcastKey802_1x_start +* +* \b Description: +* +* START event handler +* +* \b ARGS: +* +* I - pCtrlB - station control block \n +* +* \b RETURNS: +* +* TI_OK on success, TI_NOK otherwise. +* +* \sa broadcastKey802_1x_stop() +*/ +TI_STATUS broadcastKey802_1x_start(struct _broadcastKey_t *pBroadcastKey) +{ + TI_STATUS status; + + status = broadcastKey802_1x_event(pBroadcastKey, BCAST_KEY_802_1X_EVENT_START, pBroadcastKey); + + return status; +} + + +/** +* +* broadcastKey802_1x_stop +* +* \b Description: +* +* START event handler +* +* \b ARGS: +* +* I - pCtrlB - station control block \n +* +* \b RETURNS: +* +* TI_OK on success, TI_NOK otherwise. +* +* \sa broadcastKey802_1x_start() +*/ +TI_STATUS broadcastKey802_1x_stop(struct _broadcastKey_t *pBroadcastKey) +{ + TI_STATUS status; + + status = broadcastKey802_1x_event(pBroadcastKey, BCAST_KEY_802_1X_EVENT_STOP, pBroadcastKey); + + return status; +} + + +/** +* +* broadcastKey802_1x_recvSuccess +* +* \b Description: +* +* SUCCESS event handler +* +* \b ARGS: +* +* I - pCtrlB - station control block \n +* I - pEncodedKeyMaterial - Encoded key material \n +* +* \b RETURNS: +* +* TI_OK on success, TI_NOK otherwise. +* +*/ +TI_STATUS broadcastKey802_1x_recvSuccess(struct _broadcastKey_t *pBroadcastKey, encodedKeyMaterial_t *pEncodedKeyMaterial) +{ + TI_STATUS status; + + pBroadcastKey->data.pEncodedKeyMaterial = pEncodedKeyMaterial; + + status = broadcastKey802_1x_event(pBroadcastKey, BCAST_KEY_802_1X_EVENT_SUCCESS, pBroadcastKey); + + return status; +} + + +/** +* +* broadcastKey802_1x_recvFailure +* +* \b Description: +* +* FAILURE event handler +* +* \b ARGS: +* +* I - pCtrlB - station control block \n +* +* \b RETURNS: +* +* TI_OK on success, TI_NOK otherwise. +* +*/ +TI_STATUS broadcastKey802_1x_recvFailure(struct _broadcastKey_t *pBroadcastKey) +{ + TI_STATUS status; + + status = broadcastKey802_1x_event(pBroadcastKey, BCAST_KEY_802_1X_EVENT_FAILURE, pBroadcastKey); + + return status; +} + + +/** +* +* broadcastKey802_1x_distribute +* +* \b Description: +* +* Distribute broadcast key material to the driver and report the main key SM on broadcast complete. +* +* \b ARGS: +* +* I - pData - Encoded key material \n +* +* \b RETURNS: +* +* TI_OK on success, TI_NOK otherwise. +*/ +TI_STATUS broadcastKey802_1x_distribute(struct _broadcastKey_t *pBroadcastKey) +{ + TI_STATUS status=TI_NOK; + + if (pBroadcastKey->pKeyDerive->derive!=NULL) + { + status = pBroadcastKey->pKeyDerive->derive(pBroadcastKey->pKeyDerive, + pBroadcastKey->data.pEncodedKeyMaterial); + } + if (status != TI_OK) + { + return TI_NOK; + } + + if (pBroadcastKey->pParent->reportBcastStatus!=NULL) + { + status = pBroadcastKey->pParent->reportBcastStatus(pBroadcastKey->pParent, TI_OK); + } + + mainKeys_reAuth(pBroadcastKey->pParent); + + return status; +} + |