📄 key.c
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else if ((dwKeyIndex & 0x000000FF) < MAX_GROUP_KEY) {
pTable->KeyTable[i].GroupKey[dwKeyIndex & 0x000000FF].bKeyValid = FALSE;
if ((dwKeyIndex & 0x7FFFFFFF) == (pTable->KeyTable[i].dwGTKeyIndex & 0x7FFFFFFF)) {
// remove Group transmit key
pTable->KeyTable[i].dwGTKeyIndex = 0;
}
s_vCheckKeyTableValid(pTable, dwIoBase);
return (TRUE);
}
else {
return (FALSE);
}
}
}
return (FALSE);
}
/*
* Description: Remove Key from table
*
* Parameters:
* In:
* pTable - Pointer to Key table
* pbyBSSID - BSSID of Key
* Out:
* none
*
* Return Value: TRUE if success otherwise FALSE
*
*/
BOOL KeybRemoveAllKey (
PSKeyManagement pTable,
PBYTE pbyBSSID,
DWORD_PTR dwIoBase
)
{
int i,u;
for (i=0;i<MAX_KEY_TABLE;i++) {
if ((pTable->KeyTable[i].bInUse == TRUE) &&
IS_ETH_ADDRESS_EQUAL(pTable->KeyTable[i].abyBSSID,pbyBSSID)) {
pTable->KeyTable[i].PairwiseKey.bKeyValid = FALSE;
for(u=0;u<MAX_GROUP_KEY;u++) {
pTable->KeyTable[i].GroupKey[u].bKeyValid = FALSE;
}
pTable->KeyTable[i].dwGTKeyIndex = 0;
s_vCheckKeyTableValid(pTable, dwIoBase);
return (TRUE);
}
}
return (FALSE);
}
/*
* Description: Remove WEP Key from table
*
* Parameters:
* In:
* pTable - Pointer to Key table
* Out:
* none
*
* Return Value: TRUE if success otherwise FALSE
*
*/
VOID KeyvRemoveWEPKey (
PSKeyManagement pTable,
DWORD dwKeyIndex,
DWORD_PTR dwIoBase
)
{
if ((dwKeyIndex & 0x000000FF) < MAX_GROUP_KEY) {
if (pTable->KeyTable[MAX_KEY_TABLE-1].bInUse == TRUE) {
if (pTable->KeyTable[MAX_KEY_TABLE-1].GroupKey[dwKeyIndex & 0x000000FF].byCipherSuite == KEY_CTL_WEP) {
pTable->KeyTable[MAX_KEY_TABLE-1].GroupKey[dwKeyIndex & 0x000000FF].bKeyValid = FALSE;
if ((dwKeyIndex & 0x7FFFFFFF) == (pTable->KeyTable[MAX_KEY_TABLE-1].dwGTKeyIndex & 0x7FFFFFFF)) {
// remove Group transmit key
pTable->KeyTable[MAX_KEY_TABLE-1].dwGTKeyIndex = 0;
}
}
}
s_vCheckKeyTableValid(pTable, dwIoBase);
}
return;
}
VOID KeyvRemoveAllWEPKey (
PSKeyManagement pTable,
DWORD_PTR dwIoBase
)
{
int i;
for(i=0;i<MAX_GROUP_KEY;i++) {
KeyvRemoveWEPKey(pTable, i, dwIoBase);
}
}
/*
* Description: Get Transmit Key from table
*
* Parameters:
* In:
* pTable - Pointer to Key table
* pbyBSSID - BSSID of Key
* Out:
* pKey - Key return
*
* Return Value: TRUE if found otherwise FALSE
*
*/
BOOL KeybGetTransmitKey (
IN PSKeyManagement pTable,
IN PBYTE pbyBSSID,
IN DWORD dwKeyType,
OUT PSKeyItem *pKey
)
{
int i, ii;
*pKey = NULL;
for (i=0;i<MAX_KEY_TABLE;i++) {
if ((pTable->KeyTable[i].bInUse == TRUE) &&
IS_ETH_ADDRESS_EQUAL(pTable->KeyTable[i].abyBSSID,pbyBSSID)) {
if (dwKeyType == PAIRWISE_KEY) {
if (pTable->KeyTable[i].PairwiseKey.bKeyValid == TRUE) {
*pKey = &(pTable->KeyTable[i].PairwiseKey);
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybGetTransmitKey:");
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PAIRWISE_KEY: KeyTable.abyBSSID: ");
for (ii = 0; ii < 6; ii++) {
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%x ", pTable->KeyTable[i].abyBSSID[ii]);
}
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n");
return (TRUE);
}
else {
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PairwiseKey.bKeyValid == FALSE\n");
return (FALSE);
}
} // End of Type == PAIRWISE
else {
if (pTable->KeyTable[i].dwGTKeyIndex == 0) {
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ERROR: dwGTKeyIndex == 0 !!!\n");
return FALSE;
}
if (pTable->KeyTable[i].GroupKey[(pTable->KeyTable[i].dwGTKeyIndex&0x000000FF)].bKeyValid == TRUE) {
*pKey = &(pTable->KeyTable[i].GroupKey[(pTable->KeyTable[i].dwGTKeyIndex&0x000000FF)]);
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybGetTransmitKey:");
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GROUP_KEY: KeyTable.abyBSSID\n");
for (ii = 0; ii < 6; ii++) {
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%x ", pTable->KeyTable[i].abyBSSID[ii]);
}
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n");
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"dwGTKeyIndex: %lX\n", pTable->KeyTable[i].dwGTKeyIndex);
return (TRUE);
}
else {
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GroupKey.bKeyValid == FALSE\n");
return (FALSE);
}
} // End of Type = GROUP
} // BSSID match
}
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ERROR: NO Match BSSID !!! ");
for (ii = 0; ii < 6; ii++) {
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%02x ", *(pbyBSSID+ii));
}
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n");
return (FALSE);
}
/*
* Description: Check Pairewise Key
*
* Parameters:
* In:
* pTable - Pointer to Key table
* Out:
* none
*
* Return Value: TRUE if found otherwise FALSE
*
*/
BOOL KeybCheckPairewiseKey (
IN PSKeyManagement pTable,
OUT PSKeyItem *pKey
)
{
int i;
*pKey = NULL;
for (i=0;i<MAX_KEY_TABLE;i++) {
if ((pTable->KeyTable[i].bInUse == TRUE) &&
(pTable->KeyTable[i].PairwiseKey.bKeyValid == TRUE)) {
*pKey = &(pTable->KeyTable[i].PairwiseKey);
return (TRUE);
}
}
return (FALSE);
}
/*
* Description: Set Key to table
*
* Parameters:
* In:
* pTable - Pointer to Key table
* dwKeyIndex - Key index (reference to NDIS DDK)
* uKeyLength - Key length
* KeyRSC - Key RSC
* pbyKey - Pointer to key
* Out:
* none
*
* Return Value: TRUE if success otherwise FALSE
*
*/
BOOL KeybSetDefaultKey (
PSKeyManagement pTable,
DWORD dwKeyIndex,
ULONG uKeyLength,
PQWORD pKeyRSC,
PBYTE pbyKey,
BYTE byKeyDecMode,
DWORD_PTR dwIoBase,
BYTE byLocalID
)
{
UINT ii;
PSKeyItem pKey;
UINT uKeyIdx;
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetDefaultKey: %1x, %d \n", (int)dwKeyIndex, (int)uKeyLength);
if ((dwKeyIndex & PAIRWISE_KEY) != 0) { // Pairwise key
return (FALSE);
} else if ((dwKeyIndex & 0x000000FF) >= MAX_GROUP_KEY) {
return (FALSE);
}
pTable->KeyTable[MAX_KEY_TABLE-1].bInUse = TRUE;
for(ii=0;ii<U_ETHER_ADDR_LEN;ii++)
pTable->KeyTable[MAX_KEY_TABLE-1].abyBSSID[ii] = 0xFF;
// Group key
pKey = &(pTable->KeyTable[MAX_KEY_TABLE-1].GroupKey[dwKeyIndex & 0x000000FF]);
if ((dwKeyIndex & TRANSMIT_KEY) != 0) {
// Group transmit key
pTable->KeyTable[MAX_KEY_TABLE-1].dwGTKeyIndex = dwKeyIndex;
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(R)[%lX]: %d\n", pTable->KeyTable[MAX_KEY_TABLE-1].dwGTKeyIndex, MAX_KEY_TABLE-1);
}
pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl &= 0x7F00; // clear all key control filed
pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl |= (byKeyDecMode << 4);
pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl |= (byKeyDecMode);
pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl |= 0x0044; // use group key for all address
uKeyIdx = (dwKeyIndex & 0x000000FF);
if ((uKeyLength == WLAN_WEP232_KEYLEN) &&
(byKeyDecMode == KEY_CTL_WEP)) {
pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl |= 0x4000; // disable on-fly disable address match
pTable->KeyTable[MAX_KEY_TABLE-1].bSoftWEP = TRUE;
} else {
if (pTable->KeyTable[MAX_KEY_TABLE-1].bSoftWEP == FALSE)
pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl |= 0xC000; // enable on-fly disable address match
}
pKey->bKeyValid = TRUE;
pKey->uKeyLength = uKeyLength;
pKey->dwKeyIndex = dwKeyIndex;
pKey->byCipherSuite = byKeyDecMode;
MEMvCopy(pKey->abyKey, pbyKey, uKeyLength);
if (byKeyDecMode == KEY_CTL_WEP) {
if (uKeyLength == WLAN_WEP40_KEYLEN)
pKey->abyKey[15] &= 0x7F;
if (uKeyLength == WLAN_WEP104_KEYLEN)
pKey->abyKey[15] |= 0x80;
}
MACvSetKeyEntry(dwIoBase, pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl, MAX_KEY_TABLE-1, uKeyIdx, pTable->KeyTable[MAX_KEY_TABLE-1].abyBSSID, (PDWORD)pKey->abyKey, byLocalID);
if ((dwKeyIndex & USE_KEYRSC) == 0) {
// RSC set by NIC
ZERO_MEMORY(&(pKey->KeyRSC), sizeof(QWORD));
} else {
MEMvCopy(&(pKey->KeyRSC), pKeyRSC, sizeof(QWORD));
}
pKey->dwTSC47_16 = 0;
pKey->wTSC15_0 = 0;
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybSetKey(R): \n");
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->bKeyValid: %d\n", pKey->bKeyValid);
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->uKeyLength: %d\n", (int)pKey->uKeyLength);
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->abyKey: \n");
for (ii = 0; ii < pKey->uKeyLength; ii++) {
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%x", pKey->abyKey[ii]);
}
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n");
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %lx\n", pKey->dwTSC47_16);
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n", pKey->wTSC15_0);
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %lx\n", pKey->dwKeyIndex);
return (TRUE);
}
/*
* Description: Set Key to table
*
* Parameters:
* In:
* pTable - Pointer to Key table
* dwKeyIndex - Key index (reference to NDIS DDK)
* uKeyLength - Key length
* KeyRSC - Key RSC
* pbyKey - Pointer to key
* Out:
* none
*
* Return Value: TRUE if success otherwise FALSE
*
*/
BOOL KeybSetAllGroupKey (
PSKeyManagement pTable,
DWORD dwKeyIndex,
ULONG uKeyLength,
PQWORD pKeyRSC,
PBYTE pbyKey,
BYTE byKeyDecMode,
DWORD_PTR dwIoBase,
BYTE byLocalID
)
{
int i;
UINT ii;
PSKeyItem pKey;
UINT uKeyIdx;
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetAllGroupKey: %lX\n", dwKeyIndex);
if ((dwKeyIndex & PAIRWISE_KEY) != 0) { // Pairwise key
return (FALSE);
} else if ((dwKeyIndex & 0x000000FF) >= MAX_GROUP_KEY) {
return (FALSE);
}
for (i=0; i < MAX_KEY_TABLE-1; i++) {
if (pTable->KeyTable[i].bInUse == TRUE) {
// found table already exist
// Group key
pKey = &(pTable->KeyTable[i].GroupKey[dwKeyIndex & 0x000000FF]);
if ((dwKeyIndex & TRANSMIT_KEY) != 0) {
// Group transmit key
pTable->KeyTable[i].dwGTKeyIndex = dwKeyIndex;
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(R)[%lX]: %d\n", pTable->KeyTable[i].dwGTKeyIndex, i);
}
pTable->KeyTable[i].wKeyCtl &= 0xFF0F; // clear group key control filed
pTable->KeyTable[i].wKeyCtl |= (byKeyDecMode << 4);
pTable->KeyTable[i].wKeyCtl |= 0x0040; // use group key for group address
uKeyIdx = (dwKeyIndex & 0x000000FF);
pTable->KeyTable[i].wKeyCtl |= 0x8000; // enable on-fly
pKey->bKeyValid = TRUE;
pKey->uKeyLength = uKeyLength;
pKey->dwKeyIndex = dwKeyIndex;
pKey->byCipherSuite = byKeyDecMode;
MEMvCopy(pKey->abyKey, pbyKey, uKeyLength);
if (byKeyDecMode == KEY_CTL_WEP) {
if (uKeyLength == WLAN_WEP40_KEYLEN)
pKey->abyKey[15] &= 0x7F;
if (uKeyLength == WLAN_WEP104_KEYLEN)
pKey->abyKey[15] |= 0x80;
}
MACvSetKeyEntry(dwIoBase, pTable->KeyTable[i].wKeyCtl, i, uKeyIdx, pTable->KeyTable[i].abyBSSID, (PDWORD)pKey->abyKey, byLocalID);
if ((dwKeyIndex & USE_KEYRSC) == 0) {
// RSC set by NIC
ZERO_MEMORY(&(pKey->KeyRSC), sizeof(QWORD));
}
else {
MEMvCopy(&(pKey->KeyRSC), pKeyRSC, sizeof(QWORD));
}
pKey->dwTSC47_16 = 0;
pKey->wTSC15_0 = 0;
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybSetKey(R): \n");
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->bKeyValid: %d\n ", pKey->bKeyValid);
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->uKeyLength: %d\n ", (int)pKey->uKeyLength);
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->abyKey: ");
for (ii = 0; ii < pKey->uKeyLength; ii++) {
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%02x ", pKey->abyKey[ii]);
}
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n");
//DBG_PRN_GRP12(("pKey->dwTSC47_16: %lX\n ", pKey->dwTSC47_16));
//DBG_PRN_GRP12(("pKey->wTSC15_0: %X\n ", pKey->wTSC15_0));
//DBG_PRN_GRP12(("pKey->dwKeyIndex: %lX\n ", pKey->dwKeyIndex));
} // (pTable->KeyTable[i].bInUse == TRUE)
}
return (TRUE);
}
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