/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*
* File: key.c
*
* Purpose: Implement functions for 802.11i Key management
*
* Author: Jerry Chen
*
* Date: May 29, 2003
*
* Functions:
* KeyvInitTable - Init Key management table
* KeybGetKey - Get Key from table
* KeybSetKey - Set Key to table
* KeybRemoveKey - Remove Key from table
* KeybGetTransmitKey - Get Transmit Key from table
*
* Revision History:
*
*/
#include "tmacro.h"
#include "key.h"
#include "mac.h"
/*--------------------- Static Definitions -------------------------*/
/*--------------------- Static Classes ----------------------------*/
/*--------------------- Static Variables --------------------------*/
static int msglevel =MSG_LEVEL_INFO;
//static int msglevel =MSG_LEVEL_DEBUG;
/*--------------------- Static Functions --------------------------*/
/*--------------------- Export Variables --------------------------*/
/*--------------------- Static Definitions -------------------------*/
/*--------------------- Static Classes ----------------------------*/
/*--------------------- Static Variables --------------------------*/
/*--------------------- Static Functions --------------------------*/
static void
s_vCheckKeyTableValid (PSKeyManagement pTable, unsigned long dwIoBase)
{
int i;
for (i=0;i<MAX_KEY_TABLE;i++) {
if ((pTable->KeyTable[i].bInUse == true) &&
(pTable->KeyTable[i].PairwiseKey.bKeyValid == false) &&
(pTable->KeyTable[i].GroupKey[0].bKeyValid == false) &&
(pTable->KeyTable[i].GroupKey[1].bKeyValid == false) &&
(pTable->KeyTable[i].GroupKey[2].bKeyValid == false) &&
(pTable->KeyTable[i].GroupKey[3].bKeyValid == false)
) {
pTable->KeyTable[i].bInUse = false;
pTable->KeyTable[i].wKeyCtl = 0;
pTable->KeyTable[i].bSoftWEP = false;
MACvDisableKeyEntry(dwIoBase, i);
}
}
}
/*--------------------- Export Functions --------------------------*/
/*
* Description: Init Key management table
*
* Parameters:
* In:
* pTable - Pointer to Key table
* Out:
* none
*
* Return Value: none
*
*/
void KeyvInitTable (PSKeyManagement pTable, unsigned long dwIoBase)
{
int i;
int jj;
for (i=0;i<MAX_KEY_TABLE;i++) {
pTable->KeyTable[i].bInUse = false;
pTable->KeyTable[i].PairwiseKey.bKeyValid = false;
pTable->KeyTable[i].PairwiseKey.pvKeyTable = (void *)&pTable->KeyTable[i];
for (jj=0; jj < MAX_GROUP_KEY; jj++) {
pTable->KeyTable[i].GroupKey[jj].bKeyValid = false;
pTable->KeyTable[i].GroupKey[jj].pvKeyTable = (void *)&pTable->KeyTable[i];
}
pTable->KeyTable[i].wKeyCtl = 0;
pTable->KeyTable[i].dwGTKeyIndex = 0;
pTable->KeyTable[i].bSoftWEP = false;
MACvDisableKeyEntry(dwIoBase, i);
}
}
/*
* Description: Get Key from table
*
* Parameters:
* In:
* pTable - Pointer to Key table
* pbyBSSID - BSSID of Key
* dwKeyIndex - Key Index (0xFFFFFFFF means pairwise key)
* Out:
* pKey - Key return
*
* Return Value: true if found otherwise false
*
*/
bool KeybGetKey (
PSKeyManagement pTable,
unsigned char *pbyBSSID,
unsigned long dwKeyIndex,
PSKeyItem *pKey
)
{
int i;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybGetKey() \n");
*pKey = NULL;
for (i=0;i<MAX_KEY_TABLE;i++) {
if ((pTable->KeyTable[i].bInUse == true) &&
!compare_ether_addr(pTable->KeyTable[i].abyBSSID, pbyBSSID)) {
if (dwKeyIndex == 0xFFFFFFFF) {
if (pTable->KeyTable[i].PairwiseKey.bKeyValid == true) {
*pKey = &(pTable->KeyTable[i].PairwiseKey);
return (true);
}
else {
return (false);
}
} else if (dwKeyIndex < MAX_GROUP_KEY) {
if (pTable->KeyTable[i].GroupKey[dwKeyIndex].bKeyValid == true) {
*pKey = &(pTable->KeyTable[i].GroupKey[dwKeyIndex]);
return (true);
}
else {
return (false);
}
}
else {
return (false);
}
}
}
return (false);
}
/*
* Description: Set Key to table
*
* Parameters:
* In:
* pTable - Pointer to Key table
* pbyBSSID - BSSID of Key
* 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 KeybSetKey (
PSKeyManagement pTable,
unsigned char *pbyBSSID,
unsigned long dwKeyIndex,
unsigned long uKeyLength,
PQWORD pKeyRSC,
unsigned char *pbyKey,
unsigned char byKeyDecMode,
unsigned long dwIoBase,
unsigned char byLocalID
)
{
int i,j;
unsigned int ii;
PSKeyItem pKey;
unsigned int uKeyIdx;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetKey: %lX\n", dwKeyIndex);
j = (MAX_KEY_TABLE-1);
for (i=0;i<(MAX_KEY_TABLE-1);i++) {
if ((pTable->KeyTable[i].bInUse == false) &&
(j == (MAX_KEY_TABLE-1))) {
// found empty table
j = i;
}
if ((pTable->KeyTable[i].bInUse == true) &&
!compare_ether_addr(pTable->KeyTable[i].abyBSSID, pbyBSSID)) {
// found table already exist
if ((dwKeyIndex & PAIRWISE_KEY) != 0) {
// Pairwise key
pKey = &(pTable->KeyTable[i].PairwiseKey);
pTable->KeyTable[i].wKeyCtl &= 0xFFF0; // clear pairwise key control filed
pTable->KeyTable[i].wKeyCtl |= byKeyDecMode;
uKeyIdx = 4; // use HW key entry 4 for pairwise key
} else {
// Group key
if ((dwKeyIndex & 0x000000FF) >= MAX_GROUP_KEY)
return (false);
pKey = &(pTable->KeyTable[i].GroupKey[dwKeyIndex & 0x000000FF]);
if ((dwKeyIndex & TRANSMIT_KEY) != 0) {
// Group transmit key
pTable->KeyTable[i].dwGTKeyIndex = dwKeyIndex;
DBG_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;
memcpy(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, pbyBSSID, (unsigned long *)pKey->abyKey, byLocalID);
if ((dwKeyIndex & USE_KEYRSC) == 0) {
// RSC set by NIC
memset(&(pKey->KeyRSC), 0, sizeof(QWORD));
}
else {
memcpy(&(pKey->KeyRSC), pKeyRSC, sizeof(QWORD));
}
pKey->dwTSC47_16 = 0;
pKey->wTSC15_0 = 0;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybSetKey(R): \n");
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->bKeyValid: %d\n ", pKey->bKeyValid);
//DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->uKeyLength: %d\n ", pKey->uKeyLength);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->abyKey: ");
for (ii = 0; ii < pKey->uKeyLength; ii++) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%02x ", pKey->abyKey[ii]);
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n");
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %lx\n ", pKey->dwTSC47_16);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n ", pKey->wTSC15_0);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %lx\n ", pKey->dwKeyIndex);
return (true);
}
}
if (j < (MAX_KEY_TABLE-1)) {
memcpy(pTable->KeyTable[j].abyBSSID,pbyBSSID,ETH_ALEN);
pTable->KeyTable[j].bInUse = true;
if ((dwKeyIndex & PAIRWISE_KEY) != 0) {
// Pairwise key
pKey = &(pTable->KeyTable[j].PairwiseKey);
pTable->KeyTable[j].wKeyCtl &= 0xFFF0; // clear pairwise key control filed
pTable->KeyTable[j].wKeyCtl |= byKeyDecMode;
uKeyIdx = 4; // use HW key entry 4 for pairwise key
} else {
// Group key
if ((dwKeyIndex & 0x000000FF) >= MAX_GROUP_KEY)
return (false);
pKey = &(pTable->KeyTable[j].GroupKey[dwKeyIndex & 0x000000FF]);
if ((dwKeyIndex & TRANSMIT_KEY) != 0) {
// Group transmit key
pTable->KeyTable[j].dwGTKeyIndex = dwKeyIndex;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(N)[%lX]: %d\n", pTable->KeyTable[j].dwGTKeyIndex, j);
}
pTable->KeyTable[j].wKeyCtl &= 0xFF0F; // clear group key control filed
pTable->KeyTable[j].wKeyCtl |= (byKeyDecMode << 4);
pTable->KeyTable[j].wKeyCtl |= 0x0040; // use group key for group address
uKeyIdx = (dwKeyIndex & 0x000000FF);
}
pTable->KeyTable[j].wKeyCtl |= 0x8000; // enable on-fly
pKey->bKeyValid = true;
pKey->uKeyLength = uKeyLength;
pKey->dwKeyIndex = dwKeyIndex;
pKey->byCipherSuite = byKeyDecMode;
memcpy(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[j].wKeyCtl, j, uKeyIdx, pbyBSSID, (unsigned long *)pKey->abyKey, byLocalID);
if ((dwKeyIndex & USE_KEYRSC) == 0) {
// RSC set by NIC
memset(&(pKey->KeyRSC), 0, sizeof(QWORD));
}
else {
memcpy(&(pKey->KeyRSC), pKeyRSC, sizeof(QWORD));
}
pKey->dwTSC47_16 = 0;
pKey->wTSC15_0 = 0;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybSetKey(N): \n");
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->bKeyValid: %d\n ", pKey->bKeyValid);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->uKeyLength: %d\n ", (int)pKey->uKeyLength);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->abyKey: ");
for (ii = 0; ii < pKey->uKeyLength; ii++) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%02x ", pKey->abyKey[ii]);
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n");
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %lx\n ", pKey->dwTSC47_16);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n ", pKey->wTSC15_0);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %lx\n ", pKey->dwKeyIndex);
return (true);
}
return (false);
}
/*
* Description: Remove Key from table
*
* Parameters:
* In:
* pTable - Pointer to Key table
* pbyBSSID - BSSID of Key
* dwKeyIndex - Key Index (reference to NDIS DDK)
* Out:
* none
*
* Return Value: true if success otherwise false
*
*/
bool KeybRemoveKey (
PSKeyManagement pTable,
unsigned char *pbyBSSID,
unsigned long dwKeyIndex,
unsigned long dwIoBase
)
{
int i;
if (is_broadcast_ether_addr(pbyBSSID)) {
// dealte all key
if ((dwKeyIndex & PAIRWISE_KEY) != 0) {
for (i=0;i<MAX_KEY_TABLE;i++) {
pTable->KeyTable[i].PairwiseKey.bKeyValid = false;
}
s_vCheckKeyTableValid(pTable, dwIoBase);
return true;
}
else if ((dwKeyIndex & 0x000000FF) < MAX_GROUP_KEY) {
for (i=0;i<MAX_KEY_TABLE;i++) {
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;
}
}
for (i=0;i<MAX_KEY_TABLE;i++) {
if ((pTable->KeyTable[i].bInUse == true) &&
!compare_ether_addr(pTable->KeyTable[i].abyBSSID, pbyBSSID)) {
if ((dwKeyIndex & PAIRWISE_KEY) != 0) {
pTable->KeyTable[i].PairwiseKey.bKeyValid = false;
s_vCheckKeyTableValid(pTable, dwIoBase);
return (true);
}
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,
unsigned char *pbyBSSID,
unsigned long dwIoBase
)
{
int i,u;
for (i=0;i<MAX_KEY_TABLE;i++) {
if ((pTable->KeyTable[i].bInUse == true) &&
!compare_ether_addr(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,
unsigned long dwKeyIndex,
unsigned long 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,
unsigned long 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 (
PSKeyManagement pTable,
unsigned char *pbyBSSID,
unsigned long dwKeyType,
PSKeyItem *pKey
)
{
int i, ii;
*pKey = NULL;
for (i=0;i<MAX_KEY_TABLE;i++) {
if ((pTable->KeyTable[i].bInUse == true) &&
!compare_ether_addr(pTable->KeyTable[i].abyBSSID, pbyBSSID)) {
if (dwKeyType == PAIRWISE_KEY) {
if (pTable->KeyTable[i].PairwiseKey.bKeyValid == true) {
*pKey = &(pTable->KeyTable[i].PairwiseKey);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybGetTransmitKey:");
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PAIRWISE_KEY: KeyTable.abyBSSID: ");
for (ii = 0; ii < 6; ii++) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%x ", pTable->KeyTable[i].abyBSSID[ii]);
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n");
return (true);
}
else {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PairwiseKey.bKeyValid == false\n");
return (false);
}
} // End of Type == PAIRWISE
else {
if (pTable->KeyTable[i].dwGTKeyIndex == 0) {
DBG_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)]);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybGetTransmitKey:");
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GROUP_KEY: KeyTable.abyBSSID\n");
for (ii = 0; ii < 6; ii++) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%x ", pTable->KeyTable[i].abyBSSID[ii]);
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n");
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"dwGTKeyIndex: %lX\n", pTable->KeyTable[i].dwGTKeyIndex);
return (true);
}
else {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GroupKey.bKeyValid == false\n");
return (false);
}
} // End of Type = GROUP
} // BSSID match
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ERROR: NO Match BSSID !!! ");
for (ii = 0; ii < 6; ii++) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%02x ", *(pbyBSSID+ii));
}
DBG_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 (
PSKeyManagement pTable,
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,
unsigned long dwKeyIndex,
unsigned long uKeyLength,
PQWORD pKeyRSC,
unsigned char *pbyKey,
unsigned char byKeyDecMode,
unsigned long dwIoBase,
unsigned char byLocalID
)
{
unsigned int ii;
PSKeyItem pKey;
unsigned int uKeyIdx;
DBG_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<ETH_ALEN;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;
DBG_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;
memcpy(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, (unsigned long *)pKey->abyKey, byLocalID);
if ((dwKeyIndex & USE_KEYRSC) == 0) {
// RSC set by NIC
memset(&(pKey->KeyRSC), 0, sizeof(QWORD));
} else {
memcpy(&(pKey->KeyRSC), pKeyRSC, sizeof(QWORD));
}
pKey->dwTSC47_16 = 0;
pKey->wTSC15_0 = 0;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybSetKey(R): \n");
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->bKeyValid: %d\n", pKey->bKeyValid);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->uKeyLength: %d\n", (int)pKey->uKeyLength);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->abyKey: \n");
for (ii = 0; ii < pKey->uKeyLength; ii++) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%x", pKey->abyKey[ii]);
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n");
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %lx\n", pKey->dwTSC47_16);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n", pKey->wTSC15_0);
DBG_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,
unsigned long dwKeyIndex,
unsigned long uKeyLength,
PQWORD pKeyRSC,
unsigned char *pbyKey,
unsigned char byKeyDecMode,
unsigned long dwIoBase,
unsigned char byLocalID
)
{
int i;
unsigned int ii;
PSKeyItem pKey;
unsigned int uKeyIdx;
DBG_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;
DBG_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;
memcpy(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, (unsigned long *)pKey->abyKey, byLocalID);
if ((dwKeyIndex & USE_KEYRSC) == 0) {
// RSC set by NIC
memset(&(pKey->KeyRSC), 0, sizeof(QWORD));
}
else {
memcpy(&(pKey->KeyRSC), pKeyRSC, sizeof(QWORD));
}
pKey->dwTSC47_16 = 0;
pKey->wTSC15_0 = 0;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybSetKey(R): \n");
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->bKeyValid: %d\n ", pKey->bKeyValid);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->uKeyLength: %d\n ", (int)pKey->uKeyLength);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->abyKey: ");
for (ii = 0; ii < pKey->uKeyLength; ii++) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%02x ", pKey->abyKey[ii]);
}
DBG_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);
}