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      1 /*
      2  * unicastKeyNone.c
      3  *
      4  * Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  *
     11  *  * Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  *  * Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in
     15  *    the documentation and/or other materials provided with the
     16  *    distribution.
     17  *  * Neither the name Texas Instruments nor the names of its
     18  *    contributors may be used to endorse or promote products derived
     19  *    from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     22  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     24  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     25  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     27  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 /** \file unicastKeyNone.c
     35  * \brief station unicast key None implementation
     36  *
     37  * \see unicastKeyNone.h
     38 */
     39 
     40 /****************************************************************************
     41  *                                                                          *
     42  *   MODULE:	station unicast key None		                            *
     43  *   PURPOSE:   station unicast key None implementation						*
     44  *                                                                          *
     45  ****************************************************************************/
     46 
     47 #define __FILE_ID__  FILE_ID_45
     48 #include "osApi.h"
     49 #include "report.h"
     50 #include "rsnApi.h"
     51 
     52 #include "unicastKeyNone.h"
     53 #include "mainKeysSm.h"
     54 
     55 
     56 TI_STATUS unicastKeyNone_start(struct _unicastKey_t *pUnicastKey);
     57 TI_STATUS unicastKeyNone_distribute(struct _unicastKey_t *pUnicastKey, encodedKeyMaterial_t *pEncodedKeyMaterial);
     58 
     59 
     60 
     61 /**
     62 *
     63 * Function  - Config KEY Parser module.
     64 *
     65 * \b Description:
     66 *
     67 * Called by RSN Manager.
     68 * Registers the function 'rsn_UnicastKeyRecv()' at the distributor to receive KEY frames upon receiving a KEY_RECV event.
     69 *
     70 * \b ARGS:
     71 *
     72 *
     73 * \b RETURNS:
     74 *
     75 *  TI_STATUS - 0 on success, any other value on failure.
     76 *
     77 */
     78 
     79 TI_STATUS unicastKeyNone_config(struct _unicastKey_t *pUnicastKey)
     80 {
     81 
     82 	pUnicastKey->start = unicastKeyNone_start;
     83 	pUnicastKey->stop = unicastKeySmNop;
     84 	pUnicastKey->recvFailure = unicastKeySmNop;
     85 	pUnicastKey->recvSuccess = unicastKeyNone_distribute;
     86 
     87 	pUnicastKey->currentState = 0;
     88 
     89 
     90 	return TI_OK;
     91 }
     92 
     93 /**
     94 *
     95 * unicastKeyNone_start
     96 *
     97 * \b Description:
     98 *
     99 * report the main key SM of unicast complete, whithout wating for keys.
    100 *
    101 * \b ARGS:
    102 *
    103 *  I   - pUnicastKey - context  \n
    104 *
    105 * \b RETURNS:
    106 *
    107 *  TI_OK on success, TI_NOK otherwise.
    108 */
    109 TI_STATUS unicastKeyNone_start(struct _unicastKey_t *pUnicastKey)
    110 {
    111 	TI_STATUS	status=TI_NOK;
    112 
    113 	if (pUnicastKey->pParent->reportUcastStatus!=NULL)
    114     {
    115 		status = pUnicastKey->pParent->reportUcastStatus(pUnicastKey->pParent, TI_OK);
    116     }
    117 
    118 	return status;
    119 }
    120 
    121 /**
    122 *
    123 * unicastKeyNone_distribute
    124 *
    125 * \b Description:
    126 *
    127 * Distribute unicast key material to the driver and report the main key SM on unicast complete.
    128 *
    129 * \b ARGS:
    130 *
    131 *  I   - pData - Encoded key material  \n
    132 *
    133 * \b RETURNS:
    134 *
    135 *  TI_OK on success, TI_NOK otherwise.
    136 */
    137 TI_STATUS unicastKeyNone_distribute(struct _unicastKey_t *pUnicastKey, encodedKeyMaterial_t *pEncodedKeyMaterial)
    138 {
    139 	TI_STATUS  status=TI_NOK;
    140 
    141 	if ((pUnicastKey==NULL) || (pEncodedKeyMaterial==NULL))
    142     {
    143         return TI_NOK;
    144     }
    145 
    146     if (pUnicastKey->pKeyDerive->derive!=NULL)
    147     {
    148         status = pUnicastKey->pKeyDerive->derive(pUnicastKey->pKeyDerive,
    149                                                        pEncodedKeyMaterial);
    150     }
    151 	if (status != TI_OK)
    152 	{
    153 		return TI_NOK;
    154 	}
    155 
    156 	if (pUnicastKey->pParent->setDefaultKeyId!=NULL)
    157     {
    158         status = pUnicastKey->pParent->setDefaultKeyId(pUnicastKey->pParent,
    159                                                        (TI_UINT8)pEncodedKeyMaterial->keyId);
    160     }
    161 	if (status != TI_OK)
    162 	{
    163 		return status;
    164 	}
    165 
    166 	if (pUnicastKey->pParent->reportUcastStatus!=NULL)
    167     {
    168         status = pUnicastKey->pParent->reportUcastStatus(pUnicastKey->pParent, TI_OK);
    169     }
    170 
    171 	return status;
    172 }
    173