diff options
Diffstat (limited to 'drivers/staging/rt3090/sta/auth.c')
-rw-r--r-- | drivers/staging/rt3090/sta/auth.c | 491 |
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 157e2999fa19..000000000000 --- 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; -} |