/
auth_rsp.c
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/
auth_rsp.c
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/*
*************************************************************************
* Ralink Tech Inc.
* 5F., No.36, Taiyuan St., Jhubei City,
* Hsinchu County 302,
* Taiwan, R.O.C.
*
* (c) Copyright 2002-2010, 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 WITHANY 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. *
* *
*************************************************************************/
#include "rt_config.h"
/*
==========================================================================
Description:
authentication state machine init procedure
Parameters:
Sm - the state machine
IRQL = PASSIVE_LEVEL
==========================================================================
*/
void AuthRspStateMachineInit(
PRTMP_ADAPTER pAd,
PSTATE_MACHINE Sm,
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(
PRTMP_ADAPTER pAd,
PHEADER_802_11 pHdr80211,
unsigned short Alg,
unsigned short Seq,
unsigned short Reason,
unsigned short Status)
{
HEADER_802_11 AuthHdr;
unsigned long FrameLen = 0;
unsigned char* pOutBuffer = NULL;
int 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(
PRTMP_ADAPTER pAd,
PMLME_QUEUE_ELEM Elem)
{
unsigned char Addr1[MAC_ADDR_LEN];
unsigned char Addr2[MAC_ADDR_LEN];
unsigned char Addr3[MAC_ADDR_LEN];
unsigned short Reason;
unsigned char bDoIterate = FALSE;
if (PeerDeauthSanity
(pAd, Elem->Msg, Elem->MsgLen, Addr1, Addr2, Addr3, &Reason)) {
if (INFRA_ON(pAd)
&& (MAC_ADDR_EQUAL(Addr1, pAd->CurrentAddress)
|| MAC_ADDR_EQUAL(Addr1, BROADCAST_ADDR))
&& MAC_ADDR_EQUAL(Addr2, pAd->CommonCfg.Bssid)
&& MAC_ADDR_EQUAL(Addr3, pAd->CommonCfg.Bssid)
) {
DBGPRINT(RT_DEBUG_TRACE,
("AUTH_RSP - receive DE-AUTH from our AP (Reason=%d)\n",
Reason));
if (Reason == REASON_4_WAY_TIMEOUT)
RTMPSendWirelessEvent(pAd,
IW_PAIRWISE_HS_TIMEOUT_EVENT_FLAG,
NULL, 0, 0);
if (Reason == REASON_GROUP_KEY_HS_TIMEOUT)
RTMPSendWirelessEvent(pAd,
IW_GROUP_HS_TIMEOUT_EVENT_FLAG,
NULL, 0, 0);
#ifdef NATIVE_WPA_SUPPLICANT_SUPPORT
RtmpOSWrielessEventSend(pAd->net_dev,
RT_WLAN_EVENT_CGIWAP, -1, NULL,
NULL, 0);
#endif /* NATIVE_WPA_SUPPLICANT_SUPPORT */
/* send wireless event - for deauthentication */
RTMPSendWirelessEvent(pAd, IW_DEAUTH_EVENT_FLAG, NULL,
BSS0, 0);
#ifdef WPA_SUPPLICANT_SUPPORT
if ((pAd->StaCfg.WpaSupplicantUP !=
WPA_SUPPLICANT_DISABLE)
&& (pAd->StaCfg.AuthMode == Ndis802_11AuthModeWPA2)
&& (pAd->StaCfg.PortSecured ==
WPA_802_1X_PORT_SECURED))
pAd->StaCfg.bLostAp = TRUE;
#endif /* WPA_SUPPLICANT_SUPPORT */
/*
Some customer would set AP1 & AP2 same SSID, AuthMode & EncrypType but different WPAPSK,
therefore we need to do iterate here.
*/
if ((pAd->StaCfg.PortSecured ==
WPA_802_1X_PORT_NOT_SECURED)
&&
((pAd->StaCfg.AuthMode == Ndis802_11AuthModeWPAPSK)
|| (pAd->StaCfg.AuthMode ==
Ndis802_11AuthModeWPA2PSK))
)
bDoIterate = TRUE;
LinkDown(pAd, TRUE);
if (bDoIterate) {
pAd->MlmeAux.BssIdx++;
IterateOnBssTab(pAd);
}
}
} else {
DBGPRINT(RT_DEBUG_TRACE,
("AUTH_RSP - PeerDeauthAction() sanity check fail\n"));
}
}