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path: root/drivers/staging/rt3090/sta/auth.c
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Diffstat (limited to 'drivers/staging/rt3090/sta/auth.c')
-rw-r--r--drivers/staging/rt3090/sta/auth.c491
1 files changed, 0 insertions, 491 deletions
diff --git a/drivers/staging/rt3090/sta/auth.c b/drivers/staging/rt3090/sta/auth.c
deleted file mode 100644
index 157e2999fa1..00000000000
--- a/drivers/staging/rt3090/sta/auth.c
+++ /dev/null
@@ -1,491 +0,0 @@
-/*
- *************************************************************************
- * 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.c
-
- Abstract:
-
- Revision History:
- Who When What
- -------- ---------- ----------------------------------------------
- John 2004-9-3 porting from RT2500
-*/
-
-#include "../rt_config.h"
-
-
-/*
- ==========================================================================
- Description:
- authenticate state machine init, including state transition and timer init
- Parameters:
- Sm - pointer to the auth state machine
- Note:
- The state machine looks like this
-
- AUTH_REQ_IDLE AUTH_WAIT_SEQ2 AUTH_WAIT_SEQ4
- MT2_MLME_AUTH_REQ mlme_auth_req_action invalid_state_when_auth invalid_state_when_auth
- MT2_PEER_AUTH_EVEN drop peer_auth_even_at_seq2_action peer_auth_even_at_seq4_action
- MT2_AUTH_TIMEOUT Drop auth_timeout_action auth_timeout_action
-
- IRQL = PASSIVE_LEVEL
-
- ==========================================================================
- */
-
-void AuthStateMachineInit(
- IN PRTMP_ADAPTER pAd,
- IN STATE_MACHINE *Sm,
- OUT STATE_MACHINE_FUNC Trans[])
-{
- StateMachineInit(Sm, Trans, MAX_AUTH_STATE, MAX_AUTH_MSG, (STATE_MACHINE_FUNC)Drop, AUTH_REQ_IDLE, AUTH_MACHINE_BASE);
-
- // the first column
- StateMachineSetAction(Sm, AUTH_REQ_IDLE, MT2_MLME_AUTH_REQ, (STATE_MACHINE_FUNC)MlmeAuthReqAction);
-
- // the second column
- StateMachineSetAction(Sm, AUTH_WAIT_SEQ2, MT2_MLME_AUTH_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenAuth);
- StateMachineSetAction(Sm, AUTH_WAIT_SEQ2, MT2_PEER_AUTH_EVEN, (STATE_MACHINE_FUNC)PeerAuthRspAtSeq2Action);
- StateMachineSetAction(Sm, AUTH_WAIT_SEQ2, MT2_AUTH_TIMEOUT, (STATE_MACHINE_FUNC)AuthTimeoutAction);
-
- // the third column
- StateMachineSetAction(Sm, AUTH_WAIT_SEQ4, MT2_MLME_AUTH_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenAuth);
- StateMachineSetAction(Sm, AUTH_WAIT_SEQ4, MT2_PEER_AUTH_EVEN, (STATE_MACHINE_FUNC)PeerAuthRspAtSeq4Action);
- StateMachineSetAction(Sm, AUTH_WAIT_SEQ4, MT2_AUTH_TIMEOUT, (STATE_MACHINE_FUNC)AuthTimeoutAction);
-
- RTMPInitTimer(pAd, &pAd->MlmeAux.AuthTimer, GET_TIMER_FUNCTION(AuthTimeout), pAd, FALSE);
-}
-
-/*
- ==========================================================================
- Description:
- function to be executed at timer thread when auth timer expires
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-VOID AuthTimeout(
- IN PVOID SystemSpecific1,
- IN PVOID FunctionContext,
- IN PVOID SystemSpecific2,
- IN PVOID SystemSpecific3)
-{
- RTMP_ADAPTER *pAd = (RTMP_ADAPTER *)FunctionContext;
-
- DBGPRINT(RT_DEBUG_TRACE,("AUTH - AuthTimeout\n"));
-
- // Do nothing if the driver is starting halt state.
- // This might happen when timer already been fired before cancel timer with mlmehalt
- if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
- return;
-
- // send a de-auth to reset AP's state machine (Patch AP-Dir635)
- if (pAd->Mlme.AuthMachine.CurrState == AUTH_WAIT_SEQ2)
- Cls2errAction(pAd, pAd->MlmeAux.Bssid);
-
-
- MlmeEnqueue(pAd, AUTH_STATE_MACHINE, MT2_AUTH_TIMEOUT, 0, NULL);
- RTMP_MLME_HANDLER(pAd);
-}
-
-
-/*
- ==========================================================================
- Description:
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-VOID MlmeAuthReqAction(
- IN PRTMP_ADAPTER pAd,
- IN MLME_QUEUE_ELEM *Elem)
-{
- if (AUTH_ReqSend(pAd, Elem, &pAd->MlmeAux.AuthTimer, "AUTH", 1, NULL, 0))
- pAd->Mlme.AuthMachine.CurrState = AUTH_WAIT_SEQ2;
- else
- {
- USHORT Status;
-
- pAd->Mlme.AuthMachine.CurrState = AUTH_REQ_IDLE;
- Status = MLME_INVALID_FORMAT;
- MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_AUTH_CONF, 2, &Status);
- }
-}
-
-/*
- ==========================================================================
- Description:
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-VOID PeerAuthRspAtSeq2Action(
- IN PRTMP_ADAPTER pAd,
- IN MLME_QUEUE_ELEM *Elem)
-{
- UCHAR Addr2[MAC_ADDR_LEN];
- USHORT Seq, Status, RemoteStatus, Alg;
- UCHAR ChlgText[CIPHER_TEXT_LEN];
- UCHAR CyperChlgText[CIPHER_TEXT_LEN + 8 + 8];
- UCHAR Element[2];
- HEADER_802_11 AuthHdr;
- BOOLEAN TimerCancelled;
- PUCHAR pOutBuffer = NULL;
- NDIS_STATUS NStatus;
- ULONG FrameLen = 0;
- USHORT Status2;
-
- if (PeerAuthSanity(pAd, Elem->Msg, Elem->MsgLen, Addr2, &Alg, &Seq, &Status, (PCHAR)ChlgText))
- {
- if (MAC_ADDR_EQUAL(pAd->MlmeAux.Bssid, Addr2) && Seq == 2)
- {
- DBGPRINT(RT_DEBUG_TRACE, ("AUTH - Receive AUTH_RSP seq#2 to me (Alg=%d, Status=%d)\n", Alg, Status));
- RTMPCancelTimer(&pAd->MlmeAux.AuthTimer, &TimerCancelled);
-
- if (Status == MLME_SUCCESS)
- {
- // Authentication Mode "LEAP" has allow for CCX 1.X
- if (pAd->MlmeAux.Alg == Ndis802_11AuthModeOpen)
- {
- pAd->Mlme.AuthMachine.CurrState = AUTH_REQ_IDLE;
- MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_AUTH_CONF, 2, &Status);
- }
- else
- {
- // 2. shared key, need to be challenged
- Seq++;
- RemoteStatus = MLME_SUCCESS;
-
- // Get an unused nonpaged memory
- NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);
- if(NStatus != NDIS_STATUS_SUCCESS)
- {
- DBGPRINT(RT_DEBUG_TRACE, ("AUTH - PeerAuthRspAtSeq2Action() allocate memory fail\n"));
- pAd->Mlme.AuthMachine.CurrState = AUTH_REQ_IDLE;
- Status2 = MLME_FAIL_NO_RESOURCE;
- MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_AUTH_CONF, 2, &Status2);
- return;
- }
-
- DBGPRINT(RT_DEBUG_TRACE, ("AUTH - Send AUTH request seq#3...\n"));
- MgtMacHeaderInit(pAd, &AuthHdr, SUBTYPE_AUTH, 0, Addr2, pAd->MlmeAux.Bssid);
- AuthHdr.FC.Wep = 1;
- // Encrypt challenge text & auth information
- RTMPInitWepEngine(
- pAd,
- pAd->SharedKey[BSS0][pAd->StaCfg.DefaultKeyId].Key,
- pAd->StaCfg.DefaultKeyId,
- pAd->SharedKey[BSS0][pAd->StaCfg.DefaultKeyId].KeyLen,
- CyperChlgText);
-
- Alg = cpu2le16(*(USHORT *)&Alg);
- Seq = cpu2le16(*(USHORT *)&Seq);
- RemoteStatus= cpu2le16(*(USHORT *)&RemoteStatus);
-
- RTMPEncryptData(pAd, (PUCHAR) &Alg, CyperChlgText + 4, 2);
- RTMPEncryptData(pAd, (PUCHAR) &Seq, CyperChlgText + 6, 2);
- RTMPEncryptData(pAd, (PUCHAR) &RemoteStatus, CyperChlgText + 8, 2);
- Element[0] = 16;
- Element[1] = 128;
- RTMPEncryptData(pAd, Element, CyperChlgText + 10, 2);
- RTMPEncryptData(pAd, ChlgText, CyperChlgText + 12, 128);
- RTMPSetICV(pAd, CyperChlgText + 140);
- MakeOutgoingFrame(pOutBuffer, &FrameLen,
- sizeof(HEADER_802_11), &AuthHdr,
- CIPHER_TEXT_LEN + 16, CyperChlgText,
- END_OF_ARGS);
- MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
- MlmeFreeMemory(pAd, pOutBuffer);
-
- RTMPSetTimer(&pAd->MlmeAux.AuthTimer, AUTH_TIMEOUT);
- pAd->Mlme.AuthMachine.CurrState = AUTH_WAIT_SEQ4;
- }
- }
- else
- {
- pAd->StaCfg.AuthFailReason = Status;
- COPY_MAC_ADDR(pAd->StaCfg.AuthFailSta, Addr2);
- pAd->Mlme.AuthMachine.CurrState = AUTH_REQ_IDLE;
- MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_AUTH_CONF, 2, &Status);
- }
- }
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("AUTH - PeerAuthSanity() sanity check fail\n"));
- }
-}
-
-/*
- ==========================================================================
- Description:
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-VOID PeerAuthRspAtSeq4Action(
- IN PRTMP_ADAPTER pAd,
- IN MLME_QUEUE_ELEM *Elem)
-{
- UCHAR Addr2[MAC_ADDR_LEN];
- USHORT Alg, Seq, Status;
- CHAR ChlgText[CIPHER_TEXT_LEN];
- BOOLEAN TimerCancelled;
-
- if(PeerAuthSanity(pAd, Elem->Msg, Elem->MsgLen, Addr2, &Alg, &Seq, &Status, ChlgText))
- {
- if(MAC_ADDR_EQUAL(pAd->MlmeAux.Bssid, Addr2) && Seq == 4)
- {
- DBGPRINT(RT_DEBUG_TRACE, ("AUTH - Receive AUTH_RSP seq#4 to me\n"));
- RTMPCancelTimer(&pAd->MlmeAux.AuthTimer, &TimerCancelled);
-
- if (Status != MLME_SUCCESS)
- {
- pAd->StaCfg.AuthFailReason = Status;
- COPY_MAC_ADDR(pAd->StaCfg.AuthFailSta, Addr2);
- }
-
- pAd->Mlme.AuthMachine.CurrState = AUTH_REQ_IDLE;
- MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_AUTH_CONF, 2, &Status);
- }
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("AUTH - PeerAuthRspAtSeq4Action() sanity check fail\n"));
- }
-}
-
-/*
- ==========================================================================
- Description:
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-VOID MlmeDeauthReqAction(
- IN PRTMP_ADAPTER pAd,
- IN MLME_QUEUE_ELEM *Elem)
-{
- MLME_DEAUTH_REQ_STRUCT *pInfo;
- HEADER_802_11 DeauthHdr;
- PUCHAR pOutBuffer = NULL;
- NDIS_STATUS NStatus;
- ULONG FrameLen = 0;
- USHORT Status;
-
- pInfo = (MLME_DEAUTH_REQ_STRUCT *)Elem->Msg;
-
- NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory
- if (NStatus != NDIS_STATUS_SUCCESS)
- {
- DBGPRINT(RT_DEBUG_TRACE, ("AUTH - MlmeDeauthReqAction() allocate memory fail\n"));
- pAd->Mlme.AuthMachine.CurrState = AUTH_REQ_IDLE;
- Status = MLME_FAIL_NO_RESOURCE;
- MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_DEAUTH_CONF, 2, &Status);
- return;
- }
-
-
- DBGPRINT(RT_DEBUG_TRACE, ("AUTH - Send DE-AUTH request (Reason=%d)...\n", pInfo->Reason));
- MgtMacHeaderInit(pAd, &DeauthHdr, SUBTYPE_DEAUTH, 0, pInfo->Addr, pAd->MlmeAux.Bssid);
- MakeOutgoingFrame(pOutBuffer, &FrameLen,
- sizeof(HEADER_802_11),&DeauthHdr,
- 2, &pInfo->Reason,
- END_OF_ARGS);
- MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
- MlmeFreeMemory(pAd, pOutBuffer);
-
- pAd->StaCfg.DeauthReason = pInfo->Reason;
- COPY_MAC_ADDR(pAd->StaCfg.DeauthSta, pInfo->Addr);
- pAd->Mlme.AuthMachine.CurrState = AUTH_REQ_IDLE;
- Status = MLME_SUCCESS;
- MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_DEAUTH_CONF, 2, &Status);
-
- // send wireless event - for deauthentication
- if (pAd->CommonCfg.bWirelessEvent)
- RTMPSendWirelessEvent(pAd, IW_DEAUTH_EVENT_FLAG, pAd->MacTab.Content[BSSID_WCID].Addr, BSS0, 0);
-}
-
-/*
- ==========================================================================
- Description:
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-VOID AuthTimeoutAction(
- IN PRTMP_ADAPTER pAd,
- IN MLME_QUEUE_ELEM *Elem)
-{
- USHORT Status;
- DBGPRINT(RT_DEBUG_TRACE, ("AUTH - AuthTimeoutAction\n"));
- pAd->Mlme.AuthMachine.CurrState = AUTH_REQ_IDLE;
- Status = MLME_REJ_TIMEOUT;
- MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_AUTH_CONF, 2, &Status);
-}
-
-/*
- ==========================================================================
- Description:
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-VOID InvalidStateWhenAuth(
- IN PRTMP_ADAPTER pAd,
- IN MLME_QUEUE_ELEM *Elem)
-{
- USHORT Status;
- DBGPRINT(RT_DEBUG_TRACE, ("AUTH - InvalidStateWhenAuth (state=%ld), reset AUTH state machine\n", pAd->Mlme.AuthMachine.CurrState));
- pAd->Mlme.AuthMachine.CurrState = AUTH_REQ_IDLE;
- Status = MLME_STATE_MACHINE_REJECT;
- MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_AUTH_CONF, 2, &Status);
-}
-
-/*
- ==========================================================================
- Description:
- Some STA/AP
- Note:
- This action should never trigger AUTH state transition, therefore we
- separate it from AUTH state machine, and make it as a standalone service
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-VOID Cls2errAction(
- IN PRTMP_ADAPTER pAd,
- IN PUCHAR pAddr)
-{
- HEADER_802_11 DeauthHdr;
- PUCHAR pOutBuffer = NULL;
- NDIS_STATUS NStatus;
- ULONG FrameLen = 0;
- USHORT Reason = REASON_CLS2ERR;
-
- NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory
- if (NStatus != NDIS_STATUS_SUCCESS)
- return;
-
- DBGPRINT(RT_DEBUG_TRACE, ("AUTH - Class 2 error, Send DEAUTH frame...\n"));
- MgtMacHeaderInit(pAd, &DeauthHdr, SUBTYPE_DEAUTH, 0, pAddr, pAd->MlmeAux.Bssid);
- MakeOutgoingFrame(pOutBuffer, &FrameLen,
- sizeof(HEADER_802_11),&DeauthHdr,
- 2, &Reason,
- END_OF_ARGS);
- MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
- MlmeFreeMemory(pAd, pOutBuffer);
-
- pAd->StaCfg.DeauthReason = Reason;
- COPY_MAC_ADDR(pAd->StaCfg.DeauthSta, pAddr);
-}
-
-BOOLEAN AUTH_ReqSend(
- IN PRTMP_ADAPTER pAd,
- IN PMLME_QUEUE_ELEM pElem,
- IN PRALINK_TIMER_STRUCT pAuthTimer,
- IN PSTRING pSMName,
- IN USHORT SeqNo,
- IN PUCHAR pNewElement,
- IN ULONG ElementLen)
-{
- USHORT Alg, Seq, Status;
- UCHAR Addr[6];
- ULONG Timeout;
- HEADER_802_11 AuthHdr;
- BOOLEAN TimerCancelled;
- NDIS_STATUS NStatus;
- PUCHAR pOutBuffer = NULL;
- ULONG FrameLen = 0, tmp = 0;
-
- // Block all authentication request durning WPA block period
- if (pAd->StaCfg.bBlockAssoc == TRUE)
- {
- DBGPRINT(RT_DEBUG_TRACE, ("%s - Block Auth request durning WPA block period!\n", pSMName));
- pAd->Mlme.AuthMachine.CurrState = AUTH_REQ_IDLE;
- Status = MLME_STATE_MACHINE_REJECT;
- MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_AUTH_CONF, 2, &Status);
- }
- else if(MlmeAuthReqSanity(pAd, pElem->Msg, pElem->MsgLen, Addr, &Timeout, &Alg))
- {
- /* reset timer */
- RTMPCancelTimer(pAuthTimer, &TimerCancelled);
-
- COPY_MAC_ADDR(pAd->MlmeAux.Bssid, Addr);
- pAd->MlmeAux.Alg = Alg;
- Seq = SeqNo;
- Status = MLME_SUCCESS;
-
- NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory
- if(NStatus != NDIS_STATUS_SUCCESS)
- {
- DBGPRINT(RT_DEBUG_TRACE, ("%s - MlmeAuthReqAction(Alg:%d) allocate memory failed\n", pSMName, Alg));
- pAd->Mlme.AuthMachine.CurrState = AUTH_REQ_IDLE;
- Status = MLME_FAIL_NO_RESOURCE;
- MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_AUTH_CONF, 2, &Status);
- return FALSE;
- }
-
- DBGPRINT(RT_DEBUG_TRACE, ("%s - Send AUTH request seq#1 (Alg=%d)...\n", pSMName, Alg));
- MgtMacHeaderInit(pAd, &AuthHdr, SUBTYPE_AUTH, 0, Addr, pAd->MlmeAux.Bssid);
- MakeOutgoingFrame(pOutBuffer, &FrameLen,
- sizeof(HEADER_802_11),&AuthHdr,
- 2, &Alg,
- 2, &Seq,
- 2, &Status,
- END_OF_ARGS);
-
- if (pNewElement && ElementLen)
- {
- MakeOutgoingFrame(pOutBuffer+FrameLen, &tmp,
- ElementLen, pNewElement,
- END_OF_ARGS);
- FrameLen += tmp;
- }
-
- MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
- MlmeFreeMemory(pAd, pOutBuffer);
-
- RTMPSetTimer(pAuthTimer, Timeout);
- return TRUE;
- }
- else
- {
- DBGPRINT_ERR(("%s - MlmeAuthReqAction() sanity check failed\n", pSMName));
- return FALSE;
- }
-
- return TRUE;
-}
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