diff options
Diffstat (limited to 'drivers/staging/vt6655/key.c')
| -rw-r--r-- | drivers/staging/vt6655/key.c | 836 |
1 files changed, 836 insertions, 0 deletions
diff --git a/drivers/staging/vt6655/key.c b/drivers/staging/vt6655/key.c new file mode 100644 index 000000000000..168ebd3be944 --- /dev/null +++ b/drivers/staging/vt6655/key.c @@ -0,0 +1,836 @@ +/* + * 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: + * + */ + + +#if !defined(__TMACRO_H__) +#include "tmacro.h" +#endif +#if !defined(__TBIT_H__) +#include "tbit.h" +#endif +#if !defined(__KEY_H__) +#include "key.h" +#endif +#if !defined(__UMEM_H__) +#include "umem.h" +#endif +#if !defined(__MAC_H__) +#include "mac.h" +#endif + + +/*--------------------- 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, DWORD_PTR 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, DWORD_PTR 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 = (PVOID)&pTable->KeyTable[i]; + for (jj=0; jj < MAX_GROUP_KEY; jj++) { + pTable->KeyTable[i].GroupKey[jj].bKeyValid = FALSE; + pTable->KeyTable[i].GroupKey[jj].pvKeyTable = (PVOID)&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 ( + IN PSKeyManagement pTable, + IN PBYTE pbyBSSID, + IN DWORD dwKeyIndex, + OUT PSKeyItem *pKey + ) +{ + int i; + + DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KeybGetKey() \n"); + + *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 (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, + PBYTE pbyBSSID, + DWORD dwKeyIndex, + ULONG uKeyLength, + PQWORD pKeyRSC, + PBYTE pbyKey, + BYTE byKeyDecMode, + DWORD_PTR dwIoBase, + BYTE byLocalID + ) +{ + int i,j; + UINT ii; + PSKeyItem pKey; + UINT uKeyIdx; + + DEVICE_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) && + IS_ETH_ADDRESS_EQUAL(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; + 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, pbyBSSID, (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 ", 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"); + + 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); + } + } + if (j < (MAX_KEY_TABLE-1)) { + MEMvCopy(pTable->KeyTable[j].abyBSSID,pbyBSSID,U_ETHER_ADDR_LEN); + 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; + DEVICE_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; + 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[j].wKeyCtl, j, uKeyIdx, pbyBSSID, (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(N): \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"); + + 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); + } + 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, + PBYTE pbyBSSID, + DWORD dwKeyIndex, + DWORD_PTR dwIoBase + ) +{ + int i; + + if (IS_BROADCAST_ADDRESS(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) && + IS_ETH_ADDRESS_EQUAL(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, + 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); +} |