diff options
Diffstat (limited to 'wl1271/stad/src/Connection_Managment/keyParserExternal.c')
| -rw-r--r-- | wl1271/stad/src/Connection_Managment/keyParserExternal.c | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/wl1271/stad/src/Connection_Managment/keyParserExternal.c b/wl1271/stad/src/Connection_Managment/keyParserExternal.c deleted file mode 100644 index c56f505..0000000 --- a/wl1271/stad/src/Connection_Managment/keyParserExternal.c +++ /dev/null @@ -1,393 +0,0 @@ -/* - * keyParserExternal.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 keyParserExternal.c - * \brief External key parser implementation. - * - * \see keyParser.h -*/ - -/**************************************************************************** - * * - * MODULE: External Key Parser * - * PURPOSE: EAP parser implementation * - * * - ****************************************************************************/ - -#define __FILE_ID__ FILE_ID_34 -#include "tidef.h" -#include "osApi.h" -#include "report.h" - -#include "keyTypes.h" - -#include "keyParser.h" -#include "keyParserExternal.h" -#include "mainKeysSm.h" -#include "mainSecSm.h" -#include "admCtrl.h" - -#include "unicastKeySM.h" -#include "broadcastKeySM.h" -#include "DataCtrl_Api.h" - -#define TKIP_KEY_LEN 32 -#define AES_KEY_LEN 16 - - -/** -* -* Function - Init KEY Parser module. -* -* \b Description: -* -* Called by RSN Manager. -* Registers the function 'rsn_keyParserRecv()' 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 keyParserExternal_config(struct _keyParser_t *pKeyParser) -{ - pKeyParser->recv = keyParserExternal_recv; - pKeyParser->replayReset = keyParser_nop; - pKeyParser->remove = keyParserExternal_remove; - return TI_OK; -} - - -/** -* -* keyParserExternal_recv -* -* \b Description: -* -* External key Parser receive function: -* - Called by NDIS (Windows) upon receiving an External Key. -* - Filters the following keys: -* - Keys with invalid key index -* - Keys with invalid MAC address -* -* \b ARGS: -* -* I - pKeyParser - Pointer to the keyParser context \n -* I - pKeyData - A pointer to the Key Data. \n -* I - keyDataLen - The Key Data length. \n -* -* \b RETURNS: -* -* TI_OK on success, TI_NOK otherwise. -* -*/ - -TI_STATUS keyParserExternal_recv(struct _keyParser_t *pKeyParser, - TI_UINT8 *pKeyData, TI_UINT32 keyDataLen) -{ - TI_STATUS status; - OS_802_11_KEY *pKeyDesc; - encodedKeyMaterial_t encodedKeyMaterial; - paramInfo_t macParam; - TI_BOOL macEqual2Associated=TI_FALSE; - TI_BOOL macIsBroadcast=TI_FALSE; - TI_BOOL wepKey = TI_FALSE; - TI_UINT8 broadcastMacAddr[MAC_ADDR_LEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; - TI_UINT8 nullMacAddr[MAC_ADDR_LEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; - TI_UINT8 keyBuffer[MAC_ADDR_LEN+KEY_RSC_LEN+MAX_EXT_KEY_DATA_LENGTH]; - - - if (pKeyData == NULL) - { -TRACE0(pKeyParser->hReport, REPORT_SEVERITY_ERROR, "EXT_KEY_PARSER: ERROR: NULL KEY Data\n"); - return TI_NOK; - } - - pKeyDesc = (OS_802_11_KEY*)pKeyData; - - /* copy the key data, mac address and RSC */ - MAC_COPY (keyBuffer, pKeyDesc->BSSID); - /* configure keyRSC value (if needed) */ - if (pKeyDesc->KeyIndex & EXT_KEY_RSC_KEY_MASK) - { /* set key recieve sequence counter */ - os_memoryCopy(pKeyParser->hOs, &keyBuffer[MAC_ADDR_LEN], (TI_UINT8*)&(pKeyDesc->KeyRSC), KEY_RSC_LEN); - } - else - { - os_memoryZero(pKeyParser->hOs, &keyBuffer[MAC_ADDR_LEN], KEY_RSC_LEN); - } - - /* check type and validity of keys */ - /* check MAC Address validity */ - macParam.paramType = CTRL_DATA_CURRENT_BSSID_PARAM; - status = ctrlData_getParam(pKeyParser->hCtrlData, &macParam); - - if (status != TI_OK) - { -TRACE0(pKeyParser->hReport, REPORT_SEVERITY_ERROR, "EXT_KEY_PARSER: ERROR: Cannot get MAC address !!!\n"); - return TI_NOK; - } - - /* check key length */ - if((pKeyDesc->KeyLength != WEP_KEY_LEN_40) && - (pKeyDesc->KeyLength != WEP_KEY_LEN_104) && - (pKeyDesc->KeyLength != WEP_KEY_LEN_232) && - (pKeyDesc->KeyLength != TKIP_KEY_LEN) && - (pKeyDesc->KeyLength != AES_KEY_LEN) ) - - { -TRACE1(pKeyParser->hReport, REPORT_SEVERITY_ERROR, "EXT_KEY_PARSER: ERROR: Incorrect key length - %d \n", pKeyDesc->KeyLength); - return TI_NOK; - } - if (MAC_EQUAL(macParam.content.ctrlDataCurrentBSSID, pKeyDesc->BSSID)) - { - macEqual2Associated = TI_TRUE; - } - if (MAC_EQUAL (pKeyDesc->BSSID, broadcastMacAddr)) - { - macIsBroadcast = TI_TRUE; - } - if ((pKeyDesc->KeyLength == WEP_KEY_LEN_40) || - (pKeyDesc->KeyLength == WEP_KEY_LEN_104) || - (pKeyDesc->KeyLength == WEP_KEY_LEN_232)) - { /* In Add WEP the MAC address is nulled, since it's irrelevant */ - macEqual2Associated = TI_TRUE; - wepKey = TI_TRUE; - } - - if (pKeyDesc->KeyIndex & EXT_KEY_SUPP_AUTHENTICATOR_MASK) - { /* The key is being set by an Authenticator - not allowed in IBSS mode */ - if (pKeyParser->pParent->pParent->pParent->pAdmCtrl->networkMode == RSN_IBSS) - { /* in IBSS only Broadcast MAC is allowed */ - TRACE0(pKeyParser->hReport, REPORT_SEVERITY_ERROR, "EXT_KEY_PARSER: ERROR: Authenticator set key in IBSS mode !!!\n"); - return TI_NOK; - } - - } - - if (pKeyDesc->KeyIndex & EXT_KEY_REMAIN_BITS_MASK) - { /* the reamining bits in the key index are not 0 (when they should be) */ -TRACE0(pKeyParser->hReport, REPORT_SEVERITY_ERROR, "EXT_KEY_PARSER: ERROR: Key index bits 8-27 should be 0 !!!\n"); - return TI_NOK; - } - - encodedKeyMaterial.pData = (char *) keyBuffer; - /* Check key length according to the cipher suite - TKIP, etc...??? */ - if (wepKey) - { - if (!((pKeyDesc->KeyLength == WEP_KEY_LEN_40) || (pKeyDesc->KeyLength == WEP_KEY_LEN_104) - || (pKeyDesc->KeyLength == WEP_KEY_LEN_232))) - { /*Invalid key length*/ - TRACE1(pKeyParser->hReport, REPORT_SEVERITY_ERROR, "WEP_KEY_PARSER: ERROR: Invalid Key length: %d !!!\n", pKeyDesc->KeyLength); - return TI_NOK; - } - - os_memoryCopy(pKeyParser->hOs, &keyBuffer[0], pKeyDesc->KeyMaterial, pKeyDesc->KeyLength); - if (MAC_EQUAL (nullMacAddr, pKeyDesc->BSSID)) - { - macIsBroadcast = TI_TRUE; - } - - encodedKeyMaterial.keyLen = pKeyDesc->KeyLength; - } - else /* this is TKIP or CKIP */ - { - if ((pKeyDesc->KeyLength == AES_KEY_LEN) && (pKeyParser->pPaeConfig->unicastSuite == TWD_CIPHER_CKIP)) - { - os_memoryCopy(pKeyParser->hOs, &keyBuffer[0], pKeyDesc->KeyMaterial, pKeyDesc->KeyLength); - encodedKeyMaterial.keyLen = pKeyDesc->KeyLength; - } - else - { - os_memoryCopy(pKeyParser->hOs, - &keyBuffer[MAC_ADDR_LEN+KEY_RSC_LEN], - pKeyDesc->KeyMaterial, - pKeyDesc->KeyLength); - - encodedKeyMaterial.keyLen = MAC_ADDR_LEN+KEY_RSC_LEN+pKeyDesc->KeyLength; - } - } - - encodedKeyMaterial.keyId = pKeyDesc->KeyIndex; - -TRACE2(pKeyParser->hReport, REPORT_SEVERITY_INFORMATION, "EXT_KEY_PARSER: Key received keyId=%x, keyLen=%d \n", pKeyDesc->KeyIndex, pKeyDesc->KeyLength ); - - if (pKeyDesc->KeyIndex & EXT_KEY_PAIRWISE_GROUP_MASK) - { /* Pairwise key */ - /* check that the lower 8 bits of the key index are 0 */ - if (!wepKey && (pKeyDesc->KeyIndex & 0xff)) - { -TRACE0(pKeyParser->hReport, REPORT_SEVERITY_WARNING, "EXT_KEY_PARSER: ERROR: Pairwise key must have index 0 !!!\n"); - return TI_NOK; - } - - if (macIsBroadcast) - { - TRACE0(pKeyParser->hReport, REPORT_SEVERITY_ERROR, "EXT_KEY_PARSER: ERROR: Broadcast MAC address for unicast !!!\n"); - return TI_NOK; - } - if (pKeyDesc->KeyIndex & EXT_KEY_TRANSMIT_MASK) - { /* tx only pairwase key */ - /* set unicast keys */ - if (pKeyParser->pUcastKey->recvSuccess!=NULL) - { - status = pKeyParser->pUcastKey->recvSuccess(pKeyParser->pUcastKey, &encodedKeyMaterial); - } - } else { - /* recieve only pairwase keys are not allowed */ - TRACE0(pKeyParser->hReport, REPORT_SEVERITY_ERROR, "EXT_KEY_PARSER: ERROR: recieve only pairwase keys are not allowed !!!\n"); - return TI_NOK; - } - - } - else - { /* set broadcast keys */ - if (!macIsBroadcast) - { /* not broadcast MAC */ - if (pKeyParser->pParent->pParent->pParent->pAdmCtrl->networkMode == RSN_IBSS) - { /* in IBSS only Broadcast MAC is allowed */ - TRACE0(pKeyParser->hReport, REPORT_SEVERITY_ERROR, "EXT_KEY_PARSER: ERROR: not broadcast MAC in IBSS mode !!!\n"); - return TI_NOK; - } - else if (!macEqual2Associated) - { /* ESS mode and MAC is different than the associated one */ - /* save the key for later */ - status = TI_OK; /* pKeyParser->pBcastKey->saveKey(pKeyParser->pBcastKey, &encodedKey);*/ - } - else - { /* MAC is equal to the associated one - configure immediately */ - if (!wepKey) - { - MAC_COPY (keyBuffer, broadcastMacAddr); - } - if (pKeyParser->pBcastKey->recvSuccess!=NULL) - { - status = pKeyParser->pBcastKey->recvSuccess(pKeyParser->pBcastKey, &encodedKeyMaterial); - } - } - } - else - { /* MAC is broadcast - configure immediately */ - if (!wepKey) - { - MAC_COPY (keyBuffer, broadcastMacAddr); - } - - /* set broadcast key */ - if (pKeyParser->pBcastKey->recvSuccess!=NULL) - { - status = pKeyParser->pBcastKey->recvSuccess(pKeyParser->pBcastKey, &encodedKeyMaterial); - } - - if (pKeyDesc->KeyIndex & EXT_KEY_TRANSMIT_MASK) - { /* Group key used to transmit */ - /* set as unicast key as well */ - if (pKeyParser->pUcastKey->recvSuccess!=NULL) - { - status = pKeyParser->pUcastKey->recvSuccess(pKeyParser->pUcastKey, &encodedKeyMaterial); - } - } - } - } - - return status; -} - - - - -TI_STATUS keyParserExternal_remove(struct _keyParser_t *pKeyParser, TI_UINT8 *pKeyData, TI_UINT32 keyDataLen) -{ - TI_STATUS status; - OS_802_11_KEY *pKeyDesc; - paramInfo_t macParam; - encodedKeyMaterial_t encodedKeyMaterial; - TI_UINT8 broadcastMacAddr[MAC_ADDR_LEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; - TI_UINT8 keyBuffer[MAC_ADDR_LEN+KEY_RSC_LEN+MAX_EXT_KEY_DATA_LENGTH]; - - if (pKeyData == NULL) - { -TRACE0(pKeyParser->hReport, REPORT_SEVERITY_ERROR, "EXT_KEY_PARSER: ERROR: NULL KEY Data\n"); - return TI_NOK; - } - - pKeyDesc = (OS_802_11_KEY*)pKeyData; - - if (pKeyDesc->KeyIndex & EXT_KEY_TRANSMIT_MASK) - { /* Bit 31 should always be zero */ -TRACE0(pKeyParser->hReport, REPORT_SEVERITY_ERROR, "EXT_KEY_PARSER: ERROR: Remove TX bit in key index can't be 1\n"); - return TI_NOK; - } - if (pKeyDesc->KeyIndex & EXT_KEY_REMAIN_BITS_MASK) - { /* Bits 8-29 should always be zero */ -TRACE0(pKeyParser->hReport, REPORT_SEVERITY_ERROR, "EXT_KEY_PARSER: ERROR: Remove none zero key index\n"); - return TI_NOK; - } - - encodedKeyMaterial.keyId = pKeyDesc->KeyIndex; - encodedKeyMaterial.keyLen = 0; - encodedKeyMaterial.pData = (char *) keyBuffer; - - if (pKeyDesc->KeyIndex & EXT_KEY_PAIRWISE_GROUP_MASK) - { /* delete all pairwise keys or for the current BSSID */ - if (!MAC_EQUAL(pKeyDesc->BSSID, broadcastMacAddr)) - { - MAC_COPY (keyBuffer, pKeyDesc->BSSID); - } - else - { - macParam.paramType = CTRL_DATA_CURRENT_BSSID_PARAM; - status = ctrlData_getParam(pKeyParser->hCtrlData, &macParam); - if (status != TI_OK) - { -TRACE0(pKeyParser->hReport, REPORT_SEVERITY_ERROR, "EXT_KEY_PARSER: ERROR: Cannot get MAC address !!!\n"); - return TI_NOK; - } - - MAC_COPY (keyBuffer, macParam.content.ctrlDataCurrentBSSID); - } - - status = pKeyParser->pUcastKey->pKeyDerive->remove(pKeyParser->pUcastKey->pKeyDerive, &encodedKeyMaterial); - } - else - { /* delete all group keys or for the current BSSID */ - MAC_COPY (keyBuffer, broadcastMacAddr); - status = pKeyParser->pBcastKey->pKeyDerive->remove(pKeyParser->pUcastKey->pKeyDerive, &encodedKeyMaterial); - } - - return status; -} |