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-rw-r--r--drivers/staging/rt2860/sta/auth.c517
1 files changed, 0 insertions, 517 deletions
diff --git a/drivers/staging/rt2860/sta/auth.c b/drivers/staging/rt2860/sta/auth.c
deleted file mode 100644
index 23ea00b896b0..000000000000
--- a/drivers/staging/rt2860/sta/auth.c
+++ /dev/null
@@ -1,517 +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
- Justin P. Mattock 11/07/2010 Fix typos
-*/
-#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(struct rt_rtmp_adapter *pAd,
- struct rt_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(void *SystemSpecific1,
- void *FunctionContext,
- void *SystemSpecific2, void *SystemSpecific3)
-{
- struct rt_rtmp_adapter *pAd = (struct rt_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(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
-{
- if (AUTH_ReqSend
- (pAd, Elem, &pAd->MlmeAux.AuthTimer, "AUTH", 1, NULL, 0))
- pAd->Mlme.AuthMachine.CurrState = AUTH_WAIT_SEQ2;
- else {
- u16 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(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
-{
- u8 Addr2[MAC_ADDR_LEN];
- u16 Seq, Status, RemoteStatus, Alg;
- u8 ChlgText[CIPHER_TEXT_LEN];
- u8 CyperChlgText[CIPHER_TEXT_LEN + 8 + 8];
- u8 Element[2];
- struct rt_header_802_11 AuthHdr;
- BOOLEAN TimerCancelled;
- u8 *pOutBuffer = NULL;
- int NStatus;
- unsigned long FrameLen = 0;
- u16 Status2;
-
- if (PeerAuthSanity
- (pAd, Elem->Msg, Elem->MsgLen, Addr2, &Alg, &Seq, &Status,
- (char *)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(*(u16 *) & Alg);
- Seq = cpu2le16(*(u16 *) & Seq);
- RemoteStatus =
- cpu2le16(*(u16 *) &
- RemoteStatus);
-
- RTMPEncryptData(pAd, (u8 *)& Alg,
- CyperChlgText + 4, 2);
- RTMPEncryptData(pAd, (u8 *)& Seq,
- CyperChlgText + 6, 2);
- RTMPEncryptData(pAd,
- (u8 *)& 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(struct rt_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(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
-{
- u8 Addr2[MAC_ADDR_LEN];
- u16 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(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
-{
- struct rt_mlme_deauth_req *pInfo;
- struct rt_header_802_11 DeauthHdr;
- u8 *pOutBuffer = NULL;
- int NStatus;
- unsigned long FrameLen = 0;
- u16 Status;
-
- pInfo = (struct rt_mlme_deauth_req *)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(struct rt_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(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
-{
- u16 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(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
-{
- u16 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(struct rt_rtmp_adapter *pAd, u8 *pAddr)
-{
- struct rt_header_802_11 DeauthHdr;
- u8 *pOutBuffer = NULL;
- int NStatus;
- unsigned long FrameLen = 0;
- u16 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(struct rt_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(struct rt_rtmp_adapter *pAd,
- struct rt_mlme_queue_elem *pElem,
- struct rt_ralink_timer *pAuthTimer,
- char *pSMName,
- u16 SeqNo,
- u8 *pNewElement, unsigned long ElementLen)
-{
- u16 Alg, Seq, Status;
- u8 Addr[6];
- unsigned long Timeout;
- struct rt_header_802_11 AuthHdr;
- BOOLEAN TimerCancelled;
- int NStatus;
- u8 *pOutBuffer = NULL;
- unsigned long FrameLen = 0, tmp = 0;
-
- /* Block all authentication request during WPA block period */
- if (pAd->StaCfg.bBlockAssoc == TRUE) {
- DBGPRINT(RT_DEBUG_TRACE,
- ("%s - Block Auth request during 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(struct rt_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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