/*
==========================================================================
Description:
left part of IEEE 802.11/1999 p.374
Parameters:
Elem - MLME message containing the received frame
==========================================================================
*/
static VOID ApCliPeerDisassocAction(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
UCHAR Addr2[MAC_ADDR_LEN];
USHORT Reason;
USHORT ifIndex = (USHORT)(Elem->Priv);
PULONG pCurrState = NULL;
#ifdef MAC_REPEATER_SUPPORT
UCHAR CliIdx = 0xFF;
#endif /* MAC_REPEATER_SUPPORT */
if ((ifIndex >= MAX_APCLI_NUM)
#ifdef MAC_REPEATER_SUPPORT
&& (ifIndex < 64)
#endif /* MAC_REPEATER_SUPPORT */
)
return;
#ifdef MAC_REPEATER_SUPPORT
if (ifIndex >= 64)
{
CliIdx = ((ifIndex - 64) % 16);
ifIndex = ((ifIndex - 64) / 16);
pCurrState = &pAd->ApCfg.ApCliTab[ifIndex].RepeaterCli[CliIdx].AssocCurrState;
}
else
#endif /* MAC_REPEATER_SUPPORT */
pCurrState = &pAd->ApCfg.ApCliTab[ifIndex].AssocCurrState;
if(PeerDisassocSanity(pAd, Elem->Msg, Elem->MsgLen, Addr2, &Reason))
{
if (MAC_ADDR_EQUAL(pAd->ApCfg.ApCliTab[ifIndex].ApCliMlmeAux.Bssid, Addr2))
{
*pCurrState = APCLI_ASSOC_IDLE;
#ifdef MAC_REPEATER_SUPPORT
ifIndex = (USHORT)(Elem->Priv);
if ((pAd->ApCfg.bMACRepeaterEn == TRUE) && (ifIndex >= 64))
{
ifIndex = ((ifIndex - 64) / 16);
RTMPRemoveRepeaterDisconnectEntry(pAd, ifIndex, CliIdx);
RTMPRemoveRepeaterEntry(pAd, ifIndex, CliIdx);
}
else
#endif /* MAC_REPEATER_SUPPORT */
MlmeEnqueue(pAd, APCLI_CTRL_STATE_MACHINE, APCLI_CTRL_PEER_DISCONNECT_REQ, 0, NULL, ifIndex);
}
}
else
{
DBGPRINT(RT_DEBUG_TRACE, ("APCLI_ASSOC - ApCliPeerDisassocAction() sanity check fail\n"));
}
return;
}
static VOID APPeerDeauthReqAction(
IN PRTMP_ADAPTER pAd,
IN PMLME_QUEUE_ELEM Elem)
{
UCHAR Addr2[MAC_ADDR_LEN];
USHORT Reason;
UINT16 SeqNum;
MAC_TABLE_ENTRY *pEntry;
if (! PeerDeauthReqSanity(pAd, Elem->Msg, Elem->MsgLen, Addr2, &SeqNum, &Reason))
return;
pEntry = NULL;
/*pEntry = MacTableLookup(pAd, Addr2); */
if (Elem->Wcid < MAX_LEN_OF_MAC_TABLE)
{
pEntry = &pAd->MacTab.Content[Elem->Wcid];
#ifdef DOT1X_SUPPORT
/* Notify 802.1x daemon to clear this sta info */
if (pEntry->AuthMode == Ndis802_11AuthModeWPA ||
pEntry->AuthMode == Ndis802_11AuthModeWPA2 ||
pAd->ApCfg.MBSSID[pEntry->apidx].IEEE8021X)
DOT1X_InternalCmdAction(pAd, pEntry, DOT1X_DISCONNECT_ENTRY);
#endif /* DOT1X_SUPPORT */
#ifdef WAPI_SUPPORT
WAPI_InternalCmdAction(pAd,
pEntry->AuthMode,
pEntry->apidx,
pEntry->Addr,
WAI_MLME_DISCONNECT);
#endif /* WAPI_SUPPORT */
/* send wireless event - for deauthentication */
RTMPSendWirelessEvent(pAd, IW_DEAUTH_EVENT_FLAG, Addr2, 0, 0);
ApLogEvent(pAd, Addr2, EVENT_DISASSOCIATED);
if (pEntry->CMTimerRunning == TRUE)
{
/*
If one who initilized Counter Measure deauth itself,
AP doesn't log the MICFailTime
*/
pAd->ApCfg.aMICFailTime = pAd->ApCfg.PrevaMICFailTime;
}
#ifdef MAC_REPEATER_SUPPORT
if (pAd->ApCfg.bMACRepeaterEn == TRUE)
{
UCHAR apCliIdx, CliIdx;
REPEATER_CLIENT_ENTRY *pReptEntry = NULL;
pReptEntry = RTMPLookupRepeaterCliEntry(pAd, TRUE, Addr2);
if (pReptEntry && (pReptEntry->CliConnectState != 0))
{
apCliIdx = pReptEntry->MatchApCliIdx;
CliIdx = pReptEntry->MatchLinkIdx;
RTMPRemoveRepeaterDisconnectEntry(pAd, apCliIdx, CliIdx);
RTMPRemoveRepeaterEntry(pAd, apCliIdx, CliIdx);
}
}
#endif /* MAC_REPEATER_SUPPORT */
MacTableDeleteEntry(pAd, Elem->Wcid, Addr2);
DBGPRINT(RT_DEBUG_TRACE,
("AUTH - receive DE-AUTH(seq-%d) from "
"%02x:%02x:%02x:%02x:%02x:%02x, reason=%d\n", SeqNum,
Addr2[0], Addr2[1], Addr2[2], Addr2[3], Addr2[4], Addr2[5], Reason));
}
}
/*
==========================================================================
Description:
==========================================================================
*/
static VOID ApCliPeerDeauthAction(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
UCHAR Addr1[MAC_ADDR_LEN];
UCHAR Addr2[MAC_ADDR_LEN];
UCHAR Addr3[MAC_ADDR_LEN];
USHORT Reason;
USHORT ifIndex = (USHORT)(Elem->Priv);
PULONG pCurrState = NULL;
#ifdef APCLI_WPA_SUPPLICANT_SUPPORT
PMAC_TABLE_ENTRY pMacEntry = NULL;
#endif /*APCLI_WPA_SUPPLICANT_SUPPORT*/
#ifdef MAC_REPEATER_SUPPORT
UCHAR CliIdx = 0xFF;
#endif /* MAC_REPEATER_SUPPORT */
if ((ifIndex >= MAX_APCLI_NUM)
#ifdef MAC_REPEATER_SUPPORT
&& (ifIndex < 64)
#endif /* MAC_REPEATER_SUPPORT */
)
return;
#ifdef MAC_REPEATER_SUPPORT
if (ifIndex >= 64)
{
CliIdx = ((ifIndex - 64) % 16);
ifIndex = ((ifIndex - 64) / 16);
pCurrState = &pAd->ApCfg.ApCliTab[ifIndex].RepeaterCli[CliIdx].AuthCurrState;
}
else
#endif /* MAC_REPEATER_SUPPORT */
pCurrState = &pAd->ApCfg.ApCliTab[ifIndex].AuthCurrState;
#ifdef APCLI_WPA_SUPPLICANT_SUPPORT
pMacEntry = &pAd->MacTab.Content[pAd->ApCfg.ApCliTab[ifIndex].MacTabWCID];
if (!pMacEntry || !IS_ENTRY_APCLI(pMacEntry))
{
return;
}
#endif /*APCLI_WPA_SUPPLICANT_SUPPORT*/
if (PeerDeauthSanity(pAd, Elem->Msg, Elem->MsgLen, Addr1, Addr2, Addr3, &Reason))
{
DBGPRINT(RT_DEBUG_TRACE, ("APCLI AUTH_RSP - receive DE-AUTH from our AP\n"));
*pCurrState = APCLI_AUTH_REQ_IDLE;
#ifdef APCLI_WPA_SUPPLICANT_SUPPORT
if ((pAd->ApCfg.ApCliTab[ifIndex].WpaSupplicantUP != WPA_SUPPLICANT_DISABLE) &&
(pAd->ApCfg.ApCliTab[ifIndex].AuthMode == Ndis802_11AuthModeWPA2)
&&(pMacEntry->PortSecured == WPA_802_1X_PORT_SECURED))
{
pAd->ApCfg.ApCliTab[ifIndex].bLostAp = TRUE;
}
#endif /*APCLI_WPA_SUPPLICANT_SUPPORT*/
#ifdef MAC_REPEATER_SUPPORT
ifIndex = (USHORT)(Elem->Priv);
if ((pAd->ApCfg.bMACRepeaterEn == TRUE) && (ifIndex >= 64))
{
ifIndex = ((ifIndex - 64) / 16);
RTMPRemoveRepeaterDisconnectEntry(pAd, ifIndex, CliIdx);
RTMPRemoveRepeaterEntry(pAd, ifIndex, CliIdx);
}
else
#endif /* MAC_REPEATER_SUPPORT */
MlmeEnqueue(pAd, APCLI_CTRL_STATE_MACHINE, APCLI_CTRL_PEER_DISCONNECT_REQ, 0, NULL, ifIndex);
}
else
{
DBGPRINT(RT_DEBUG_TRACE, ("APCLI AUTH_RSP - ApCliPeerDeauthAction() sanity check fail\n"));
}
return;
}
VOID WPARetryExec(
IN PVOID SystemSpecific1,
IN PVOID FunctionContext,
IN PVOID SystemSpecific2,
IN PVOID SystemSpecific3)
{
MAC_TABLE_ENTRY *pEntry = (MAC_TABLE_ENTRY *)FunctionContext;
if ((pEntry) && IS_ENTRY_CLIENT(pEntry))
{
PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)pEntry->pAd;
pEntry->ReTryCounter++;
DBGPRINT(RT_DEBUG_TRACE, ("WPARetryExec---> ReTryCounter=%d, WpaState=%d \n", pEntry->ReTryCounter, pEntry->WpaState));
switch (pEntry->AuthMode)
{
case Ndis802_11AuthModeWPA:
case Ndis802_11AuthModeWPAPSK:
case Ndis802_11AuthModeWPA2:
case Ndis802_11AuthModeWPA2PSK:
/* 1. GTK already retried, give up and disconnect client. */
if (pEntry->ReTryCounter > (GROUP_MSG1_RETRY_TIMER_CTR + 1))
{
/* send wireless event - for group key handshaking timeout */
RTMPSendWirelessEvent(pAd, IW_GROUP_HS_TIMEOUT_EVENT_FLAG, pEntry->Addr, pEntry->apidx, 0);
DBGPRINT(RT_DEBUG_TRACE, ("WPARetryExec::Group Key HS exceed retry count, Disassociate client, pEntry->ReTryCounter %d\n", pEntry->ReTryCounter));
MlmeDeAuthAction(pAd, pEntry, REASON_GROUP_KEY_HS_TIMEOUT, FALSE);
}
/* 2. Retry GTK. */
else if (pEntry->ReTryCounter > GROUP_MSG1_RETRY_TIMER_CTR)
{
DBGPRINT(RT_DEBUG_TRACE, ("WPARetryExec::ReTry 2-way group-key Handshake \n"));
if (pEntry->GTKState == REKEY_NEGOTIATING)
{
WPAStart2WayGroupHS(pAd, pEntry);
RTMPSetTimer(&pEntry->RetryTimer, PEER_MSG3_RETRY_EXEC_INTV);
}
}
/* 3. 4-way message 1 retried more than three times. Disconnect client */
else if (pEntry->ReTryCounter > (PEER_MSG1_RETRY_TIMER_CTR + 3))
{
/* send wireless event - for pairwise key handshaking timeout */
RTMPSendWirelessEvent(pAd, IW_PAIRWISE_HS_TIMEOUT_EVENT_FLAG, pEntry->Addr, pEntry->apidx, 0);
DBGPRINT(RT_DEBUG_TRACE, ("WPARetryExec::MSG1 timeout, pEntry->ReTryCounter = %d\n", pEntry->ReTryCounter));
MlmeDeAuthAction(pAd, pEntry, REASON_4_WAY_TIMEOUT, FALSE);
}
/* 4. Retry 4 way message 1, the last try, the timeout is 3 sec for EAPOL-Start */
else if (pEntry->ReTryCounter == (PEER_MSG1_RETRY_TIMER_CTR + 3))
{
DBGPRINT(RT_DEBUG_TRACE, ("WPARetryExec::Retry MSG1, the last try\n"));
WPAStart4WayHS(pAd , pEntry, PEER_MSG3_RETRY_EXEC_INTV);
}
/* 4. Retry 4 way message 1 */
else if (pEntry->ReTryCounter < (PEER_MSG1_RETRY_TIMER_CTR + 3))
{
if ((pEntry->WpaState == AS_PTKSTART) || (pEntry->WpaState == AS_INITPSK) || (pEntry->WpaState == AS_INITPMK))
{
DBGPRINT(RT_DEBUG_TRACE, ("WPARetryExec::ReTry MSG1 of 4-way Handshake\n"));
WPAStart4WayHS(pAd, pEntry, PEER_MSG1_RETRY_EXEC_INTV);
}
}
break;
default:
break;
}
}
#ifdef APCLI_SUPPORT
else if ((pEntry) && IS_ENTRY_APCLI(pEntry))
{
if (pEntry->AuthMode == Ndis802_11AuthModeWPA || pEntry->AuthMode == Ndis802_11AuthModeWPAPSK)
{
PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)pEntry->pAd;
if (pEntry->wdev_idx < MAX_APCLI_NUM)
{
UCHAR ifIndex = pEntry->wdev_idx;
DBGPRINT(RT_DEBUG_TRACE, ("(%s) ApCli interface[%d] startdown.\n", __FUNCTION__, ifIndex));
#ifdef MAC_REPEATER_SUPPORT
if ((pEntry->bReptCli) && (pAd->ApCfg.bMACRepeaterEn == TRUE))
ifIndex = (64 + ifIndex*MAX_EXT_MAC_ADDR_SIZE + pEntry->MatchReptCliIdx);
#endif /* MAC_REPEATER_SUPPORT */
#ifdef MAC_REPEATER_SUPPORT
if ( (pAd->ApCfg.bMACRepeaterEn == TRUE) && (pEntry->bReptCli))
{
RTMPRemoveRepeaterDisconnectEntry(pAd, pEntry->wdev_idx, pEntry->MatchReptCliIdx);
RTMPRemoveRepeaterEntry(pAd, pEntry->wdev_idx, pEntry->MatchReptCliIdx);
}
else
MlmeEnqueue(pAd, APCLI_CTRL_STATE_MACHINE, APCLI_CTRL_DISCONNECT_REQ, 0, NULL, ifIndex);
#endif /* MAC_REPEATER_SUPPORT */
}
}
}
#endif /* APCLI_SUPPORT */
}
