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/*
*************************************************************************
* Ralink Tech Inc.
* 5F., No.36, Taiyuan St., Jhubei City,
* Hsinchu County 302,
* Taiwan, R.O.C.
*
* (c) Copyright 2002-2007, Ralink Technology, Inc.
*
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
*************************************************************************
Module Name:
auth_rsp.c
Abstract:
Revision History:
Who When What
-------- ---------- ----------------------------------------------
John 2004-10-1 copy from RT2560
*/
#include "../rt_config.h"
/*
==========================================================================
Description:
authentication state machine init procedure
Parameters:
Sm - the state machine
IRQL = PASSIVE_LEVEL
==========================================================================
*/
VOID AuthRspStateMachineInit(
IN PRTMP_ADAPTER pAd,
IN PSTATE_MACHINE Sm,
IN STATE_MACHINE_FUNC Trans[])
{
StateMachineInit(Sm, Trans, MAX_AUTH_RSP_STATE, MAX_AUTH_RSP_MSG, (STATE_MACHINE_FUNC)Drop, AUTH_RSP_IDLE, AUTH_RSP_MACHINE_BASE);
// column 1
StateMachineSetAction(Sm, AUTH_RSP_IDLE, MT2_PEER_DEAUTH, (STATE_MACHINE_FUNC)PeerDeauthAction);
// column 2
StateMachineSetAction(Sm, AUTH_RSP_WAIT_CHAL, MT2_PEER_DEAUTH, (STATE_MACHINE_FUNC)PeerDeauthAction);
}
/*
==========================================================================
Description:
IRQL = DISPATCH_LEVEL
==========================================================================
*/
VOID PeerAuthSimpleRspGenAndSend(
IN PRTMP_ADAPTER pAd,
IN PHEADER_802_11 pHdr80211,
IN USHORT Alg,
IN USHORT Seq,
IN USHORT Reason,
IN USHORT Status)
{
HEADER_802_11 AuthHdr;
ULONG FrameLen = 0;
PUCHAR pOutBuffer = NULL;
NDIS_STATUS NStatus;
if (Reason != MLME_SUCCESS)
{
DBGPRINT(RT_DEBUG_TRACE, ("Peer AUTH fail...\n"));
return;
}
//Get an unused nonpaged memory
NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);
if (NStatus != NDIS_STATUS_SUCCESS)
return;
DBGPRINT(RT_DEBUG_TRACE, ("Send AUTH response (seq#2)...\n"));
MgtMacHeaderInit(pAd, &AuthHdr, SUBTYPE_AUTH, 0, pHdr80211->Addr2, pAd->MlmeAux.Bssid);
MakeOutgoingFrame(pOutBuffer, &FrameLen,
sizeof(HEADER_802_11), &AuthHdr,
2, &Alg,
2, &Seq,
2, &Reason,
END_OF_ARGS);
MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
MlmeFreeMemory(pAd, pOutBuffer);
}
/*
==========================================================================
Description:
IRQL = DISPATCH_LEVEL
==========================================================================
*/
VOID PeerDeauthAction(
IN PRTMP_ADAPTER pAd,
IN PMLME_QUEUE_ELEM Elem)
{
UCHAR Addr2[MAC_ADDR_LEN];
USHORT Reason;
if (PeerDeauthSanity(pAd, Elem->Msg, Elem->MsgLen, Addr2, &Reason))
{
if (INFRA_ON(pAd) && MAC_ADDR_EQUAL(Addr2, pAd->CommonCfg.Bssid))
{
DBGPRINT(RT_DEBUG_TRACE,("AUTH_RSP - receive DE-AUTH from our AP (Reason=%d)\n", Reason));
#ifdef NATIVE_WPA_SUPPLICANT_SUPPORT
{
union iwreq_data wrqu;
memset(wrqu.ap_addr.sa_data, 0, MAC_ADDR_LEN);
wireless_send_event(pAd->net_dev, SIOCGIWAP, &wrqu, NULL);
}
#endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
// send wireless event - for deauthentication
if (pAd->CommonCfg.bWirelessEvent)
RTMPSendWirelessEvent(pAd, IW_DEAUTH_EVENT_FLAG, pAd->MacTab.Content[BSSID_WCID].Addr, BSS0, 0);
LinkDown(pAd, TRUE);
// Authentication Mode Cisco_LEAP has start a timer
// We should cancel it if using LEAP
#ifdef LEAP_SUPPORT
if (pAd->StaCfg.LeapAuthMode == CISCO_AuthModeLEAP)
{
RTMPCancelTimer(&pAd->StaCfg.LeapAuthTimer, &TimerCancelled);
//Check is it mach the LEAP Authentication failed as possible a Rogue AP
//on it's PortSecured not equal to WPA_802_1X_PORT_SECURED while process the Authenticaton.
if ((pAd->StaCfg.PortSecured != WPA_802_1X_PORT_SECURED) && (pAd->Mlme.LeapMachine.CurrState != LEAP_IDLE))
{
RogueApTableSetEntry(pAd, &pAd->StaCfg.RogueApTab, Addr2, LEAP_REASON_AUTH_TIMEOUT);
}
}
#endif // LEAP_SUPPORT //
}
}
else
{
DBGPRINT(RT_DEBUG_TRACE,("AUTH_RSP - PeerDeauthAction() sanity check fail\n"));
}
}
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