-/*
- *************************************************************************
- * 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:
- sanity.c
-
- Abstract:
-
- Revision History:
- Who When What
- -------- ---------- ----------------------------------------------
- John Chang 2004-09-01 add WMM support
-*/
-#include "../rt_config.h"
-
-
-extern UCHAR CISCO_OUI[];
-
-extern UCHAR WPA_OUI[];
-extern UCHAR RSN_OUI[];
-extern UCHAR WME_INFO_ELEM[];
-extern UCHAR WME_PARM_ELEM[];
-extern UCHAR Ccx2QosInfo[];
-extern UCHAR RALINK_OUI[];
-extern UCHAR BROADCOM_OUI[];
-extern UCHAR WPS_OUI[];
-
-/*
- ==========================================================================
- Description:
- MLME message sanity check
- Return:
- TRUE if all parameters are OK, FALSE otherwise
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-BOOLEAN MlmeAddBAReqSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *Msg,
- IN ULONG MsgLen,
- OUT PUCHAR pAddr2)
-{
- PMLME_ADDBA_REQ_STRUCT pInfo;
-
- pInfo = (MLME_ADDBA_REQ_STRUCT *)Msg;
-
- if ((MsgLen != sizeof(MLME_ADDBA_REQ_STRUCT)))
- {
- DBGPRINT(RT_DEBUG_TRACE, ("MlmeAddBAReqSanity fail - message lenght not correct.\n"));
- return FALSE;
- }
-
- if ((pInfo->Wcid >= MAX_LEN_OF_MAC_TABLE))
- {
- DBGPRINT(RT_DEBUG_TRACE, ("MlmeAddBAReqSanity fail - The peer Mac is not associated yet.\n"));
- return FALSE;
- }
-
- /*
- if ((pInfo->BaBufSize > MAX_RX_REORDERBUF) || (pInfo->BaBufSize < 2))
- {
- DBGPRINT(RT_DEBUG_TRACE, ("MlmeAddBAReqSanity fail - Rx Reordering buffer too big or too small\n"));
- return FALSE;
- }
- */
-
- if ((pInfo->pAddr[0]&0x01) == 0x01)
- {
- DBGPRINT(RT_DEBUG_TRACE, ("MlmeAddBAReqSanity fail - broadcast address not support BA\n"));
- return FALSE;
- }
-
- return TRUE;
-}
-
-/*
- ==========================================================================
- Description:
- MLME message sanity check
- Return:
- TRUE if all parameters are OK, FALSE otherwise
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-BOOLEAN MlmeDelBAReqSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *Msg,
- IN ULONG MsgLen)
-{
- MLME_DELBA_REQ_STRUCT *pInfo;
- pInfo = (MLME_DELBA_REQ_STRUCT *)Msg;
-
- if ((MsgLen != sizeof(MLME_DELBA_REQ_STRUCT)))
- {
- DBGPRINT(RT_DEBUG_ERROR, ("MlmeDelBAReqSanity fail - message lenght not correct.\n"));
- return FALSE;
- }
-
- if ((pInfo->Wcid >= MAX_LEN_OF_MAC_TABLE))
- {
- DBGPRINT(RT_DEBUG_ERROR, ("MlmeDelBAReqSanity fail - The peer Mac is not associated yet.\n"));
- return FALSE;
- }
-
- if ((pInfo->TID & 0xf0))
- {
- DBGPRINT(RT_DEBUG_ERROR, ("MlmeDelBAReqSanity fail - The peer TID is incorrect.\n"));
- return FALSE;
- }
-
- if (NdisEqualMemory(pAd->MacTab.Content[pInfo->Wcid].Addr, pInfo->Addr, MAC_ADDR_LEN) == 0)
- {
- DBGPRINT(RT_DEBUG_ERROR, ("MlmeDelBAReqSanity fail - the peer addr dosen't exist.\n"));
- return FALSE;
- }
-
- return TRUE;
-}
-
-BOOLEAN PeerAddBAReqActionSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *pMsg,
- IN ULONG MsgLen,
- OUT PUCHAR pAddr2)
-{
- PFRAME_802_11 pFrame = (PFRAME_802_11)pMsg;
- PFRAME_ADDBA_REQ pAddFrame;
- pAddFrame = (PFRAME_ADDBA_REQ)(pMsg);
- if (MsgLen < (sizeof(FRAME_ADDBA_REQ)))
- {
- DBGPRINT(RT_DEBUG_ERROR,("PeerAddBAReqActionSanity: ADDBA Request frame length size = %ld incorrect\n", MsgLen));
- return FALSE;
- }
- // we support immediate BA.
- *(USHORT *)(&pAddFrame->BaParm) = cpu2le16(*(USHORT *)(&pAddFrame->BaParm));
- pAddFrame->TimeOutValue = cpu2le16(pAddFrame->TimeOutValue);
- pAddFrame->BaStartSeq.word = cpu2le16(pAddFrame->BaStartSeq.word);
-
- if (pAddFrame->BaParm.BAPolicy != IMMED_BA)
- {
- DBGPRINT(RT_DEBUG_ERROR,("PeerAddBAReqActionSanity: ADDBA Request Ba Policy[%d] not support\n", pAddFrame->BaParm.BAPolicy));
- DBGPRINT(RT_DEBUG_ERROR,("ADDBA Request. tid=%x, Bufsize=%x, AMSDUSupported=%x \n", pAddFrame->BaParm.TID, pAddFrame->BaParm.BufSize, pAddFrame->BaParm.AMSDUSupported));
- return FALSE;
- }
-
- // we support immediate BA.
- if (pAddFrame->BaParm.TID &0xfff0)
- {
- DBGPRINT(RT_DEBUG_ERROR,("PeerAddBAReqActionSanity: ADDBA Request incorrect TID = %d\n", pAddFrame->BaParm.TID));
- return FALSE;
- }
- COPY_MAC_ADDR(pAddr2, pFrame->Hdr.Addr2);
- return TRUE;
-}
-
-BOOLEAN PeerAddBARspActionSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *pMsg,
- IN ULONG MsgLen)
-{
- //PFRAME_802_11 pFrame = (PFRAME_802_11)pMsg;
- PFRAME_ADDBA_RSP pAddFrame;
-
- pAddFrame = (PFRAME_ADDBA_RSP)(pMsg);
- if (MsgLen < (sizeof(FRAME_ADDBA_RSP)))
- {
- DBGPRINT(RT_DEBUG_ERROR,("PeerAddBARspActionSanity: ADDBA Response frame length size = %ld incorrect\n", MsgLen));
- return FALSE;
- }
- // we support immediate BA.
- *(USHORT *)(&pAddFrame->BaParm) = cpu2le16(*(USHORT *)(&pAddFrame->BaParm));
- pAddFrame->StatusCode = cpu2le16(pAddFrame->StatusCode);
- pAddFrame->TimeOutValue = cpu2le16(pAddFrame->TimeOutValue);
-
- if (pAddFrame->BaParm.BAPolicy != IMMED_BA)
- {
- DBGPRINT(RT_DEBUG_ERROR,("PeerAddBAReqActionSanity: ADDBA Response Ba Policy[%d] not support\n", pAddFrame->BaParm.BAPolicy));
- return FALSE;
- }
-
- // we support immediate BA.
- if (pAddFrame->BaParm.TID &0xfff0)
- {
- DBGPRINT(RT_DEBUG_ERROR,("PeerAddBARspActionSanity: ADDBA Response incorrect TID = %d\n", pAddFrame->BaParm.TID));
- return FALSE;
- }
- return TRUE;
-
-}
-
-BOOLEAN PeerDelBAActionSanity(
- IN PRTMP_ADAPTER pAd,
- IN UCHAR Wcid,
- IN VOID *pMsg,
- IN ULONG MsgLen )
-{
- //PFRAME_802_11 pFrame = (PFRAME_802_11)pMsg;
- PFRAME_DELBA_REQ pDelFrame;
- if (MsgLen != (sizeof(FRAME_DELBA_REQ)))
- return FALSE;
-
- if (Wcid >= MAX_LEN_OF_MAC_TABLE)
- return FALSE;
-
- pDelFrame = (PFRAME_DELBA_REQ)(pMsg);
-
- *(USHORT *)(&pDelFrame->DelbaParm) = cpu2le16(*(USHORT *)(&pDelFrame->DelbaParm));
- pDelFrame->ReasonCode = cpu2le16(pDelFrame->ReasonCode);
-
- if (pDelFrame->DelbaParm.TID &0xfff0)
- return FALSE;
-
- return TRUE;
-}
-
-/*
- ==========================================================================
- Description:
- MLME message sanity check
- Return:
- TRUE if all parameters are OK, FALSE otherwise
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-BOOLEAN PeerBeaconAndProbeRspSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *Msg,
- IN ULONG MsgLen,
- IN UCHAR MsgChannel,
- OUT PUCHAR pAddr2,
- OUT PUCHAR pBssid,
- OUT CHAR Ssid[],
- OUT UCHAR *pSsidLen,
- OUT UCHAR *pBssType,
- OUT USHORT *pBeaconPeriod,
- OUT UCHAR *pChannel,
- OUT UCHAR *pNewChannel,
- OUT LARGE_INTEGER *pTimestamp,
- OUT CF_PARM *pCfParm,
- OUT USHORT *pAtimWin,
- OUT USHORT *pCapabilityInfo,
- OUT UCHAR *pErp,
- OUT UCHAR *pDtimCount,
- OUT UCHAR *pDtimPeriod,
- OUT UCHAR *pBcastFlag,
- OUT UCHAR *pMessageToMe,
- OUT UCHAR SupRate[],
- OUT UCHAR *pSupRateLen,
- OUT UCHAR ExtRate[],
- OUT UCHAR *pExtRateLen,
- OUT UCHAR *pCkipFlag,
- OUT UCHAR *pAironetCellPowerLimit,
- OUT PEDCA_PARM pEdcaParm,
- OUT PQBSS_LOAD_PARM pQbssLoad,
- OUT PQOS_CAPABILITY_PARM pQosCapability,
- OUT ULONG *pRalinkIe,
- OUT UCHAR *pHtCapabilityLen,
-#ifdef CONFIG_STA_SUPPORT
- OUT UCHAR *pPreNHtCapabilityLen,
-#endif // CONFIG_STA_SUPPORT //
- OUT HT_CAPABILITY_IE *pHtCapability,
- OUT UCHAR *AddHtInfoLen,
- OUT ADD_HT_INFO_IE *AddHtInfo,
- OUT UCHAR *NewExtChannelOffset, // Ht extension channel offset(above or below)
- OUT USHORT *LengthVIE,
- OUT PNDIS_802_11_VARIABLE_IEs pVIE)
-{
- CHAR *Ptr;
-#ifdef CONFIG_STA_SUPPORT
- CHAR TimLen;
-#endif // CONFIG_STA_SUPPORT //
- PFRAME_802_11 pFrame;
- PEID_STRUCT pEid;
- UCHAR SubType;
- UCHAR Sanity;
- //UCHAR ECWMin, ECWMax;
- //MAC_CSR9_STRUC Csr9;
- ULONG Length = 0;
-
- // For some 11a AP which didn't have DS_IE, we use two conditions to decide the channel
- // 1. If the AP is 11n enabled, then check the control channel.
- // 2. If the AP didn't have any info about channel, use the channel we received this frame as the channel. (May inaccuracy!!)
- UCHAR CtrlChannel = 0;
-
- // Add for 3 necessary EID field check
- Sanity = 0;
-
- *pAtimWin = 0;
- *pErp = 0;
- *pDtimCount = 0;
- *pDtimPeriod = 0;
- *pBcastFlag = 0;
- *pMessageToMe = 0;
- *pExtRateLen = 0;
- *pCkipFlag = 0; // Default of CkipFlag is 0
- *pAironetCellPowerLimit = 0xFF; // Default of AironetCellPowerLimit is 0xFF
- *LengthVIE = 0; // Set the length of VIE to init value 0
- *pHtCapabilityLen = 0; // Set the length of VIE to init value 0
-#ifdef CONFIG_STA_SUPPORT
- if (pAd->OpMode == OPMODE_STA)
- *pPreNHtCapabilityLen = 0; // Set the length of VIE to init value 0
-#endif // CONFIG_STA_SUPPORT //
- *AddHtInfoLen = 0; // Set the length of VIE to init value 0
- *pRalinkIe = 0;
- *pNewChannel = 0;
- *NewExtChannelOffset = 0xff; //Default 0xff means no such IE
- pCfParm->bValid = FALSE; // default: no IE_CF found
- pQbssLoad->bValid = FALSE; // default: no IE_QBSS_LOAD found
- pEdcaParm->bValid = FALSE; // default: no IE_EDCA_PARAMETER found
- pQosCapability->bValid = FALSE; // default: no IE_QOS_CAPABILITY found
-
- pFrame = (PFRAME_802_11)Msg;
-
- // get subtype from header
- SubType = (UCHAR)pFrame->Hdr.FC.SubType;
-
- // get Addr2 and BSSID from header
- COPY_MAC_ADDR(pAddr2, pFrame->Hdr.Addr2);
- COPY_MAC_ADDR(pBssid, pFrame->Hdr.Addr3);
-
-// hex_dump("Beacon", Msg, MsgLen);
-
- Ptr = pFrame->Octet;
- Length += LENGTH_802_11;
-
- // get timestamp from payload and advance the pointer
- NdisMoveMemory(pTimestamp, Ptr, TIMESTAMP_LEN);
-
- pTimestamp->u.LowPart = cpu2le32(pTimestamp->u.LowPart);
- pTimestamp->u.HighPart = cpu2le32(pTimestamp->u.HighPart);
-
- Ptr += TIMESTAMP_LEN;
- Length += TIMESTAMP_LEN;
-
- // get beacon interval from payload and advance the pointer
- NdisMoveMemory(pBeaconPeriod, Ptr, 2);
- Ptr += 2;
- Length += 2;
-
- // get capability info from payload and advance the pointer
- NdisMoveMemory(pCapabilityInfo, Ptr, 2);
- Ptr += 2;
- Length += 2;
-
- if (CAP_IS_ESS_ON(*pCapabilityInfo))
- *pBssType = BSS_INFRA;
- else
- *pBssType = BSS_ADHOC;
-
- pEid = (PEID_STRUCT) Ptr;
-
- // get variable fields from payload and advance the pointer
- while ((Length + 2 + pEid->Len) <= MsgLen)
- {
- //
- // Secure copy VIE to VarIE[MAX_VIE_LEN] didn't overflow.
- //
- if ((*LengthVIE + pEid->Len + 2) >= MAX_VIE_LEN)
- {
- DBGPRINT(RT_DEBUG_WARN, ("PeerBeaconAndProbeRspSanity - Variable IEs out of resource [len(=%d) > MAX_VIE_LEN(=%d)]\n",
- (*LengthVIE + pEid->Len + 2), MAX_VIE_LEN));
- break;
- }
-
- switch(pEid->Eid)
- {
- case IE_SSID:
- // Already has one SSID EID in this beacon, ignore the second one
- if (Sanity & 0x1)
- break;
- if(pEid->Len <= MAX_LEN_OF_SSID)
- {
- NdisMoveMemory(Ssid, pEid->Octet, pEid->Len);
- *pSsidLen = pEid->Len;
- Sanity |= 0x1;
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAndProbeRspSanity - wrong IE_SSID (len=%d)\n",pEid->Len));
- return FALSE;
- }
- break;
-
- case IE_SUPP_RATES:
- if(pEid->Len <= MAX_LEN_OF_SUPPORTED_RATES)
- {
- Sanity |= 0x2;
- NdisMoveMemory(SupRate, pEid->Octet, pEid->Len);
- *pSupRateLen = pEid->Len;
-
- // TODO: 2004-09-14 not a good design here, cause it exclude extra rates
- // from ScanTab. We should report as is. And filter out unsupported
- // rates in MlmeAux.
- // Check against the supported rates
- // RTMPCheckRates(pAd, SupRate, pSupRateLen);
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAndProbeRspSanity - wrong IE_SUPP_RATES (len=%d)\n",pEid->Len));
- return FALSE;
- }
- break;
-
- case IE_HT_CAP:
- if (pEid->Len >= SIZE_HT_CAP_IE) //Note: allow extension.!!
- {
- NdisMoveMemory(pHtCapability, pEid->Octet, sizeof(HT_CAPABILITY_IE));
- *pHtCapabilityLen = SIZE_HT_CAP_IE; // Nnow we only support 26 bytes.
-
- *(USHORT *)(&pHtCapability->HtCapInfo) = cpu2le16(*(USHORT *)(&pHtCapability->HtCapInfo));
- *(USHORT *)(&pHtCapability->ExtHtCapInfo) = cpu2le16(*(USHORT *)(&pHtCapability->ExtHtCapInfo));
-
-#ifdef CONFIG_STA_SUPPORT
- IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
- {
- *pPreNHtCapabilityLen = 0; // Nnow we only support 26 bytes.
-
- Ptr = (PUCHAR) pVIE;
- NdisMoveMemory(Ptr + *LengthVIE, &pEid->Eid, pEid->Len + 2);
- *LengthVIE += (pEid->Len + 2);
- }
-#endif // CONFIG_STA_SUPPORT //
- }
- else
- {
- DBGPRINT(RT_DEBUG_WARN, ("PeerBeaconAndProbeRspSanity - wrong IE_HT_CAP. pEid->Len = %d\n", pEid->Len));
- }
-
- break;
- case IE_ADD_HT:
- if (pEid->Len >= sizeof(ADD_HT_INFO_IE))
- {
- // This IE allows extension, but we can ignore extra bytes beyond our knowledge , so only
- // copy first sizeof(ADD_HT_INFO_IE)
- NdisMoveMemory(AddHtInfo, pEid->Octet, sizeof(ADD_HT_INFO_IE));
- *AddHtInfoLen = SIZE_ADD_HT_INFO_IE;
-
- CtrlChannel = AddHtInfo->ControlChan;
-
- *(USHORT *)(&AddHtInfo->AddHtInfo2) = cpu2le16(*(USHORT *)(&AddHtInfo->AddHtInfo2));
- *(USHORT *)(&AddHtInfo->AddHtInfo3) = cpu2le16(*(USHORT *)(&AddHtInfo->AddHtInfo3));
-
-#ifdef CONFIG_STA_SUPPORT
- IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
- {
- Ptr = (PUCHAR) pVIE;
- NdisMoveMemory(Ptr + *LengthVIE, &pEid->Eid, pEid->Len + 2);
- *LengthVIE += (pEid->Len + 2);
- }
-#endif // CONFIG_STA_SUPPORT //
- }
- else
- {
- DBGPRINT(RT_DEBUG_WARN, ("PeerBeaconAndProbeRspSanity - wrong IE_ADD_HT. \n"));
- }
-
- break;
- case IE_SECONDARY_CH_OFFSET:
- if (pEid->Len == 1)
- {
- *NewExtChannelOffset = pEid->Octet[0];
- }
- else
- {
- DBGPRINT(RT_DEBUG_WARN, ("PeerBeaconAndProbeRspSanity - wrong IE_SECONDARY_CH_OFFSET. \n"));
- }
-
- break;
- case IE_FH_PARM:
- DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAndProbeRspSanity(IE_FH_PARM) \n"));
- break;
-
- case IE_DS_PARM:
- if(pEid->Len == 1)
- {
- *pChannel = *pEid->Octet;
-#ifdef CONFIG_STA_SUPPORT
- IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
- {
- if (ChannelSanity(pAd, *pChannel) == 0)
- {
-
- return FALSE;
- }
- }
-#endif // CONFIG_STA_SUPPORT //
- Sanity |= 0x4;
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAndProbeRspSanity - wrong IE_DS_PARM (len=%d)\n",pEid->Len));
- return FALSE;
- }
- break;
-
- case IE_CF_PARM:
- if(pEid->Len == 6)
- {
- pCfParm->bValid = TRUE;
- pCfParm->CfpCount = pEid->Octet[0];
- pCfParm->CfpPeriod = pEid->Octet[1];
- pCfParm->CfpMaxDuration = pEid->Octet[2] + 256 * pEid->Octet[3];
- pCfParm->CfpDurRemaining = pEid->Octet[4] + 256 * pEid->Octet[5];
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAndProbeRspSanity - wrong IE_CF_PARM\n"));
- return FALSE;
- }
- break;
-
- case IE_IBSS_PARM:
- if(pEid->Len == 2)
- {
- NdisMoveMemory(pAtimWin, pEid->Octet, pEid->Len);
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAndProbeRspSanity - wrong IE_IBSS_PARM\n"));
- return FALSE;
- }
- break;
-
-#ifdef CONFIG_STA_SUPPORT
- case IE_TIM:
- if(INFRA_ON(pAd) && SubType == SUBTYPE_BEACON)
- {
- GetTimBit((PUCHAR)pEid, pAd->StaActive.Aid, &TimLen, pBcastFlag, pDtimCount, pDtimPeriod, pMessageToMe);
- }
- break;
-#endif // CONFIG_STA_SUPPORT //
- case IE_CHANNEL_SWITCH_ANNOUNCEMENT:
- if(pEid->Len == 3)
- {
- *pNewChannel = pEid->Octet[1]; //extract new channel number
- }
- break;
-
- // New for WPA
- // CCX v2 has the same IE, we need to parse that too
- // Wifi WMM use the same IE vale, need to parse that too
- // case IE_WPA:
- case IE_VENDOR_SPECIFIC:
- // Check Broadcom/Atheros 802.11n OUI version, for HT Capability IE.
- // This HT IE is before IEEE draft set HT IE value.2006-09-28 by Jan.
- /*if (NdisEqualMemory(pEid->Octet, BROADCOM_OUI, 3) && (pEid->Len >= 4))
- {
- if ((pEid->Octet[3] == OUI_BROADCOM_HT) && (pEid->Len >= 30))
- {
- {
- NdisMoveMemory(pHtCapability, &pEid->Octet[4], sizeof(HT_CAPABILITY_IE));
- *pHtCapabilityLen = SIZE_HT_CAP_IE; // Nnow we only support 26 bytes.
- }
- }
- if ((pEid->Octet[3] == OUI_BROADCOM_HT) && (pEid->Len >= 26))
- {
- {
- NdisMoveMemory(AddHtInfo, &pEid->Octet[4], sizeof(ADD_HT_INFO_IE));
- *AddHtInfoLen = SIZE_ADD_HT_INFO_IE; // Nnow we only support 26 bytes.
- }
- }
- }
- */
- // Check the OUI version, filter out non-standard usage
- if (NdisEqualMemory(pEid->Octet, RALINK_OUI, 3) && (pEid->Len == 7))
- {
- //*pRalinkIe = pEid->Octet[3];
- if (pEid->Octet[3] != 0)
- *pRalinkIe = pEid->Octet[3];
- else
- *pRalinkIe = 0xf0000000; // Set to non-zero value (can't set bit0-2) to represent this is Ralink Chip. So at linkup, we will set ralinkchip flag.
- }
-#ifdef CONFIG_STA_SUPPORT
-#ifdef DOT11_N_SUPPORT
- // This HT IE is before IEEE draft set HT IE value.2006-09-28 by Jan.
-
- // Other vendors had production before IE_HT_CAP value is assigned. To backward support those old-firmware AP,
- // Check broadcom-defiend pre-802.11nD1.0 OUI for HT related IE, including HT Capatilities IE and HT Information IE
- else if ((*pHtCapabilityLen == 0) && NdisEqualMemory(pEid->Octet, PRE_N_HT_OUI, 3) && (pEid->Len >= 4) && (pAd->OpMode == OPMODE_STA))
- {
- if ((pEid->Octet[3] == OUI_PREN_HT_CAP) && (pEid->Len >= 30) && (*pHtCapabilityLen == 0))
- {
- NdisMoveMemory(pHtCapability, &pEid->Octet[4], sizeof(HT_CAPABILITY_IE));
- *pPreNHtCapabilityLen = SIZE_HT_CAP_IE;
- }
-
- if ((pEid->Octet[3] == OUI_PREN_ADD_HT) && (pEid->Len >= 26))
- {
- NdisMoveMemory(AddHtInfo, &pEid->Octet[4], sizeof(ADD_HT_INFO_IE));
- *AddHtInfoLen = SIZE_ADD_HT_INFO_IE;
- }
- }
-#endif // DOT11_N_SUPPORT //
-#endif // CONFIG_STA_SUPPORT //
- else if (NdisEqualMemory(pEid->Octet, WPA_OUI, 4))
- {
- // Copy to pVIE which will report to microsoft bssid list.
- Ptr = (PUCHAR) pVIE;
- NdisMoveMemory(Ptr + *LengthVIE, &pEid->Eid, pEid->Len + 2);
- *LengthVIE += (pEid->Len + 2);
- }
- else if (NdisEqualMemory(pEid->Octet, WME_PARM_ELEM, 6) && (pEid->Len == 24))
- {
- PUCHAR ptr;
- int i;
-
- // parsing EDCA parameters
- pEdcaParm->bValid = TRUE;
- pEdcaParm->bQAck = FALSE; // pEid->Octet[0] & 0x10;
- pEdcaParm->bQueueRequest = FALSE; // pEid->Octet[0] & 0x20;
- pEdcaParm->bTxopRequest = FALSE; // pEid->Octet[0] & 0x40;
- pEdcaParm->EdcaUpdateCount = pEid->Octet[6] & 0x0f;
- pEdcaParm->bAPSDCapable = (pEid->Octet[6] & 0x80) ? 1 : 0;
- ptr = &pEid->Octet[8];
- for (i=0; i<4; i++)
- {
- UCHAR aci = (*ptr & 0x60) >> 5; // b5~6 is AC INDEX
- pEdcaParm->bACM[aci] = (((*ptr) & 0x10) == 0x10); // b5 is ACM
- pEdcaParm->Aifsn[aci] = (*ptr) & 0x0f; // b0~3 is AIFSN
- pEdcaParm->Cwmin[aci] = *(ptr+1) & 0x0f; // b0~4 is Cwmin
- pEdcaParm->Cwmax[aci] = *(ptr+1) >> 4; // b5~8 is Cwmax
- pEdcaParm->Txop[aci] = *(ptr+2) + 256 * (*(ptr+3)); // in unit of 32-us
- ptr += 4; // point to next AC
- }
- }
- else if (NdisEqualMemory(pEid->Octet, WME_INFO_ELEM, 6) && (pEid->Len == 7))
- {
- // parsing EDCA parameters
- pEdcaParm->bValid = TRUE;
- pEdcaParm->bQAck = FALSE; // pEid->Octet[0] & 0x10;
- pEdcaParm->bQueueRequest = FALSE; // pEid->Octet[0] & 0x20;
- pEdcaParm->bTxopRequest = FALSE; // pEid->Octet[0] & 0x40;
- pEdcaParm->EdcaUpdateCount = pEid->Octet[6] & 0x0f;
- pEdcaParm->bAPSDCapable = (pEid->Octet[6] & 0x80) ? 1 : 0;
-
- // use default EDCA parameter
- pEdcaParm->bACM[QID_AC_BE] = 0;
- pEdcaParm->Aifsn[QID_AC_BE] = 3;
- pEdcaParm->Cwmin[QID_AC_BE] = CW_MIN_IN_BITS;
- pEdcaParm->Cwmax[QID_AC_BE] = CW_MAX_IN_BITS;
- pEdcaParm->Txop[QID_AC_BE] = 0;
-
- pEdcaParm->bACM[QID_AC_BK] = 0;
- pEdcaParm->Aifsn[QID_AC_BK] = 7;
- pEdcaParm->Cwmin[QID_AC_BK] = CW_MIN_IN_BITS;
- pEdcaParm->Cwmax[QID_AC_BK] = CW_MAX_IN_BITS;
- pEdcaParm->Txop[QID_AC_BK] = 0;
-
- pEdcaParm->bACM[QID_AC_VI] = 0;
- pEdcaParm->Aifsn[QID_AC_VI] = 2;
- pEdcaParm->Cwmin[QID_AC_VI] = CW_MIN_IN_BITS-1;
- pEdcaParm->Cwmax[QID_AC_VI] = CW_MAX_IN_BITS;
- pEdcaParm->Txop[QID_AC_VI] = 96; // AC_VI: 96*32us ~= 3ms
-
- pEdcaParm->bACM[QID_AC_VO] = 0;
- pEdcaParm->Aifsn[QID_AC_VO] = 2;
- pEdcaParm->Cwmin[QID_AC_VO] = CW_MIN_IN_BITS-2;
- pEdcaParm->Cwmax[QID_AC_VO] = CW_MAX_IN_BITS-1;
- pEdcaParm->Txop[QID_AC_VO] = 48; // AC_VO: 48*32us ~= 1.5ms
- }
-#ifdef CONFIG_STA_SUPPORT
-#endif // CONFIG_STA_SUPPORT //
- else
- {
- }
-
- break;
-
- case IE_EXT_SUPP_RATES:
- if (pEid->Len <= MAX_LEN_OF_SUPPORTED_RATES)
- {
- NdisMoveMemory(ExtRate, pEid->Octet, pEid->Len);
- *pExtRateLen = pEid->Len;
-
- // TODO: 2004-09-14 not a good design here, cause it exclude extra rates
- // from ScanTab. We should report as is. And filter out unsupported
- // rates in MlmeAux.
- // Check against the supported rates
- // RTMPCheckRates(pAd, ExtRate, pExtRateLen);
- }
- break;
-
- case IE_ERP:
- if (pEid->Len == 1)
- {
- *pErp = (UCHAR)pEid->Octet[0];
- }
- break;
-
- case IE_AIRONET_CKIP:
- // 0. Check Aironet IE length, it must be larger or equal to 28
- // Cisco AP350 used length as 28
- // Cisco AP12XX used length as 30
- if (pEid->Len < (CKIP_NEGOTIATION_LENGTH - 2))
- break;
-
- // 1. Copy CKIP flag byte to buffer for process
- *pCkipFlag = *(pEid->Octet + 8);
- break;
-
- case IE_AP_TX_POWER:
- // AP Control of Client Transmit Power
- //0. Check Aironet IE length, it must be 6
- if (pEid->Len != 0x06)
- break;
-
- // Get cell power limit in dBm
- if (NdisEqualMemory(pEid->Octet, CISCO_OUI, 3) == 1)
- *pAironetCellPowerLimit = *(pEid->Octet + 4);
- break;
-
- // WPA2 & 802.11i RSN
- case IE_RSN:
- // There is no OUI for version anymore, check the group cipher OUI before copying
- if (RTMPEqualMemory(pEid->Octet + 2, RSN_OUI, 3))
- {
- // Copy to pVIE which will report to microsoft bssid list.
- Ptr = (PUCHAR) pVIE;
- NdisMoveMemory(Ptr + *LengthVIE, &pEid->Eid, pEid->Len + 2);
- *LengthVIE += (pEid->Len + 2);
- }
- break;
-#ifdef CONFIG_STA_SUPPORT
-#ifdef EXT_BUILD_CHANNEL_LIST
- case IE_COUNTRY:
- Ptr = (PUCHAR) pVIE;
- NdisMoveMemory(Ptr + *LengthVIE, &pEid->Eid, pEid->Len + 2);
- *LengthVIE += (pEid->Len + 2);
- break;
-#endif // EXT_BUILD_CHANNEL_LIST //
-#endif // CONFIG_STA_SUPPORT //
- default:
- break;
- }
-
- Length = Length + 2 + pEid->Len; // Eid[1] + Len[1]+ content[Len]
- pEid = (PEID_STRUCT)((UCHAR*)pEid + 2 + pEid->Len);
- }
-
- // For some 11a AP. it did not have the channel EID, patch here
-#ifdef CONFIG_STA_SUPPORT
- IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
- {
- UCHAR LatchRfChannel = MsgChannel;
- if ((pAd->LatchRfRegs.Channel > 14) && ((Sanity & 0x4) == 0))
- {
- if (CtrlChannel != 0)
- *pChannel = CtrlChannel;
- else
- *pChannel = LatchRfChannel;
- Sanity |= 0x4;
- }
- }
-#endif // CONFIG_STA_SUPPORT //
-
- if (Sanity != 0x7)
- {
- DBGPRINT(RT_DEBUG_WARN, ("PeerBeaconAndProbeRspSanity - missing field, Sanity=0x%02x\n", Sanity));
- return FALSE;
- }
- else
- {
- return TRUE;
- }
-
-}
-
-#ifdef DOT11N_DRAFT3
-/*
- ==========================================================================
- Description:
- MLME message sanity check for some IE addressed in 802.11n d3.03.
- Return:
- TRUE if all parameters are OK, FALSE otherwise
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-BOOLEAN PeerBeaconAndProbeRspSanity2(
- IN PRTMP_ADAPTER pAd,
- IN VOID *Msg,
- IN ULONG MsgLen,
- OUT UCHAR *RegClass)
-{
- CHAR *Ptr;
- PFRAME_802_11 pFrame;
- PEID_STRUCT pEid;
- ULONG Length = 0;
-
- pFrame = (PFRAME_802_11)Msg;
-
- *RegClass = 0;
- Ptr = pFrame->Octet;
- Length += LENGTH_802_11;
-
- // get timestamp from payload and advance the pointer
- Ptr += TIMESTAMP_LEN;
- Length += TIMESTAMP_LEN;
-
- // get beacon interval from payload and advance the pointer
- Ptr += 2;
- Length += 2;
-
- // get capability info from payload and advance the pointer
- Ptr += 2;
- Length += 2;
-
- pEid = (PEID_STRUCT) Ptr;
-
- // get variable fields from payload and advance the pointer
- while ((Length + 2 + pEid->Len) <= MsgLen)
- {
- switch(pEid->Eid)
- {
- case IE_SUPP_REG_CLASS:
- if(pEid->Len > 0)
- {
- *RegClass = *pEid->Octet;
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAndProbeRspSanity - wrong IE_SSID (len=%d)\n",pEid->Len));
- return FALSE;
- }
- break;
- }
-
- Length = Length + 2 + pEid->Len; // Eid[1] + Len[1]+ content[Len]
- pEid = (PEID_STRUCT)((UCHAR*)pEid + 2 + pEid->Len);
- }
-
- return TRUE;
-
-}
-#endif // DOT11N_DRAFT3 //
-
-/*
- ==========================================================================
- Description:
- MLME message sanity check
- Return:
- TRUE if all parameters are OK, FALSE otherwise
- ==========================================================================
- */
-BOOLEAN MlmeScanReqSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *Msg,
- IN ULONG MsgLen,
- OUT UCHAR *pBssType,
- OUT CHAR Ssid[],
- OUT UCHAR *pSsidLen,
- OUT UCHAR *pScanType)
-{
- MLME_SCAN_REQ_STRUCT *Info;
-
- Info = (MLME_SCAN_REQ_STRUCT *)(Msg);
- *pBssType = Info->BssType;
- *pSsidLen = Info->SsidLen;
- NdisMoveMemory(Ssid, Info->Ssid, *pSsidLen);
- *pScanType = Info->ScanType;
-
- if ((*pBssType == BSS_INFRA || *pBssType == BSS_ADHOC || *pBssType == BSS_ANY)
- && (*pScanType == SCAN_ACTIVE || *pScanType == SCAN_PASSIVE
-#ifdef CONFIG_STA_SUPPORT
- || *pScanType == SCAN_CISCO_PASSIVE || *pScanType == SCAN_CISCO_ACTIVE
- || *pScanType == SCAN_CISCO_CHANNEL_LOAD || *pScanType == SCAN_CISCO_NOISE
-#endif // CONFIG_STA_SUPPORT //
- ))
- {
- return TRUE;
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("MlmeScanReqSanity fail - wrong BssType or ScanType\n"));
- return FALSE;
- }
-}
-
-// IRQL = DISPATCH_LEVEL
-UCHAR ChannelSanity(
- IN PRTMP_ADAPTER pAd,
- IN UCHAR channel)
-{
- int i;
-
- for (i = 0; i < pAd->ChannelListNum; i ++)
- {
- if (channel == pAd->ChannelList[i].Channel)
- return 1;
- }
- return 0;
-}
-
-/*
- ==========================================================================
- Description:
- MLME message sanity check
- Return:
- TRUE if all parameters are OK, FALSE otherwise
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-BOOLEAN PeerDeauthSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *Msg,
- IN ULONG MsgLen,
- OUT PUCHAR pAddr2,
- OUT USHORT *pReason)
-{
- PFRAME_802_11 pFrame = (PFRAME_802_11)Msg;
-
- COPY_MAC_ADDR(pAddr2, pFrame->Hdr.Addr2);
- NdisMoveMemory(pReason, &pFrame->Octet[0], 2);
-
- return TRUE;
-}
-
-/*
- ==========================================================================
- Description:
- MLME message sanity check
- Return:
- TRUE if all parameters are OK, FALSE otherwise
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-BOOLEAN PeerAuthSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *Msg,
- IN ULONG MsgLen,
- OUT PUCHAR pAddr,
- OUT USHORT *pAlg,
- OUT USHORT *pSeq,
- OUT USHORT *pStatus,
- CHAR *pChlgText)
-{
- PFRAME_802_11 pFrame = (PFRAME_802_11)Msg;
-
- COPY_MAC_ADDR(pAddr, pFrame->Hdr.Addr2);
- NdisMoveMemory(pAlg, &pFrame->Octet[0], 2);
- NdisMoveMemory(pSeq, &pFrame->Octet[2], 2);
- NdisMoveMemory(pStatus, &pFrame->Octet[4], 2);
-
- if ((*pAlg == Ndis802_11AuthModeOpen)
-#ifdef LEAP_SUPPORT
- || (*pAlg == CISCO_AuthModeLEAP)
-#endif // LEAP_SUPPORT //
- )
- {
- if (*pSeq == 1 || *pSeq == 2)
- {
- return TRUE;
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("PeerAuthSanity fail - wrong Seg#\n"));
- return FALSE;
- }
- }
- else if (*pAlg == Ndis802_11AuthModeShared)
- {
- if (*pSeq == 1 || *pSeq == 4)
- {
- return TRUE;
- }
- else if (*pSeq == 2 || *pSeq == 3)
- {
- NdisMoveMemory(pChlgText, &pFrame->Octet[8], CIPHER_TEXT_LEN);
- return TRUE;
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("PeerAuthSanity fail - wrong Seg#\n"));
- return FALSE;
- }
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("PeerAuthSanity fail - wrong algorithm\n"));
- return FALSE;
- }
-}
-
-/*
- ==========================================================================
- Description:
- MLME message sanity check
- Return:
- TRUE if all parameters are OK, FALSE otherwise
- ==========================================================================
- */
-BOOLEAN MlmeAuthReqSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *Msg,
- IN ULONG MsgLen,
- OUT PUCHAR pAddr,
- OUT ULONG *pTimeout,
- OUT USHORT *pAlg)
-{
- MLME_AUTH_REQ_STRUCT *pInfo;
-
- pInfo = (MLME_AUTH_REQ_STRUCT *)Msg;
- COPY_MAC_ADDR(pAddr, pInfo->Addr);
- *pTimeout = pInfo->Timeout;
- *pAlg = pInfo->Alg;
-
- if (((*pAlg == Ndis802_11AuthModeShared) ||(*pAlg == Ndis802_11AuthModeOpen)
-#ifdef LEAP_SUPPORT
- || (*pAlg == CISCO_AuthModeLEAP)
-#endif // LEAP_SUPPORT //
- ) &&
- ((*pAddr & 0x01) == 0))
- {
- return TRUE;
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("MlmeAuthReqSanity fail - wrong algorithm\n"));
- return FALSE;
- }
-}
-
-/*
- ==========================================================================
- Description:
- MLME message sanity check
- Return:
- TRUE if all parameters are OK, FALSE otherwise
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-BOOLEAN MlmeAssocReqSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *Msg,
- IN ULONG MsgLen,
- OUT PUCHAR pApAddr,
- OUT USHORT *pCapabilityInfo,
- OUT ULONG *pTimeout,
- OUT USHORT *pListenIntv)
-{
- MLME_ASSOC_REQ_STRUCT *pInfo;
-
- pInfo = (MLME_ASSOC_REQ_STRUCT *)Msg;
- *pTimeout = pInfo->Timeout; // timeout
- COPY_MAC_ADDR(pApAddr, pInfo->Addr); // AP address
- *pCapabilityInfo = pInfo->CapabilityInfo; // capability info
- *pListenIntv = pInfo->ListenIntv;
-
- return TRUE;
-}
-
-/*
- ==========================================================================
- Description:
- MLME message sanity check
- Return:
- TRUE if all parameters are OK, FALSE otherwise
-
- IRQL = DISPATCH_LEVEL
-
- ==========================================================================
- */
-BOOLEAN PeerDisassocSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *Msg,
- IN ULONG MsgLen,
- OUT PUCHAR pAddr2,
- OUT USHORT *pReason)
-{
- PFRAME_802_11 pFrame = (PFRAME_802_11)Msg;
-
- COPY_MAC_ADDR(pAddr2, pFrame->Hdr.Addr2);
- NdisMoveMemory(pReason, &pFrame->Octet[0], 2);
-
- return TRUE;
-}
-
-/*
- ========================================================================
- Routine Description:
- Sanity check NetworkType (11b, 11g or 11a)
-
- Arguments:
- pBss - Pointer to BSS table.
-
- Return Value:
- Ndis802_11DS .......(11b)
- Ndis802_11OFDM24....(11g)
- Ndis802_11OFDM5.....(11a)
-
- IRQL = DISPATCH_LEVEL
-
- ========================================================================
-*/
-NDIS_802_11_NETWORK_TYPE NetworkTypeInUseSanity(
- IN PBSS_ENTRY pBss)
-{
- NDIS_802_11_NETWORK_TYPE NetWorkType;
- UCHAR rate, i;
-
- NetWorkType = Ndis802_11DS;
-
- if (pBss->Channel <= 14)
- {
- //
- // First check support Rate.
- //
- for (i = 0; i < pBss->SupRateLen; i++)
- {
- rate = pBss->SupRate[i] & 0x7f; // Mask out basic rate set bit
- if ((rate == 2) || (rate == 4) || (rate == 11) || (rate == 22))
- {
- continue;
- }
- else
- {
- //
- // Otherwise (even rate > 108) means Ndis802_11OFDM24
- //
- NetWorkType = Ndis802_11OFDM24;
- break;
- }
- }
-
- //
- // Second check Extend Rate.
- //
- if (NetWorkType != Ndis802_11OFDM24)
- {
- for (i = 0; i < pBss->ExtRateLen; i++)
- {
- rate = pBss->SupRate[i] & 0x7f; // Mask out basic rate set bit
- if ((rate == 2) || (rate == 4) || (rate == 11) || (rate == 22))
- {
- continue;
- }
- else
- {
- //
- // Otherwise (even rate > 108) means Ndis802_11OFDM24
- //
- NetWorkType = Ndis802_11OFDM24;
- break;
- }
- }
- }
- }
- else
- {
- NetWorkType = Ndis802_11OFDM5;
- }
-
- if (pBss->HtCapabilityLen != 0)
- {
- if (NetWorkType == Ndis802_11OFDM5)
- NetWorkType = Ndis802_11OFDM5_N;
- else
- NetWorkType = Ndis802_11OFDM24_N;
- }
-
- return NetWorkType;
-}
-
-/*
- ==========================================================================
- Description:
- WPA message sanity check
- Return:
- TRUE if all parameters are OK, FALSE otherwise
- ==========================================================================
- */
-BOOLEAN PeerWpaMessageSanity(
- IN PRTMP_ADAPTER pAd,
- IN PEAPOL_PACKET pMsg,
- IN ULONG MsgLen,
- IN UCHAR MsgType,
- IN MAC_TABLE_ENTRY *pEntry)
-{
- UCHAR mic[LEN_KEY_DESC_MIC], digest[80], KEYDATA[MAX_LEN_OF_RSNIE];
- BOOLEAN bReplayDiff = FALSE;
- BOOLEAN bWPA2 = FALSE;
- KEY_INFO EapolKeyInfo;
- UCHAR GroupKeyIndex = 0;
-
-
- NdisZeroMemory(mic, sizeof(mic));
- NdisZeroMemory(digest, sizeof(digest));
- NdisZeroMemory(KEYDATA, sizeof(KEYDATA));
- NdisZeroMemory((PUCHAR)&EapolKeyInfo, sizeof(EapolKeyInfo));
-
- NdisMoveMemory((PUCHAR)&EapolKeyInfo, (PUCHAR)&pMsg->KeyDesc.KeyInfo, sizeof(KEY_INFO));
-
- *((USHORT *)&EapolKeyInfo) = cpu2le16(*((USHORT *)&EapolKeyInfo));
-
- // Choose WPA2 or not
- if ((pEntry->AuthMode == Ndis802_11AuthModeWPA2) || (pEntry->AuthMode == Ndis802_11AuthModeWPA2PSK))
- bWPA2 = TRUE;
-
- // 0. Check MsgType
- if ((MsgType > EAPOL_GROUP_MSG_2) || (MsgType < EAPOL_PAIR_MSG_1))
- {
- DBGPRINT(RT_DEBUG_ERROR, ("The message type is invalid(%d)! \n", MsgType));
- return FALSE;
- }
-
- // 1. Replay counter check
- if (MsgType == EAPOL_PAIR_MSG_1 || MsgType == EAPOL_PAIR_MSG_3 || MsgType == EAPOL_GROUP_MSG_1) // For supplicant
- {
- // First validate replay counter, only accept message with larger replay counter.
- // Let equal pass, some AP start with all zero replay counter
- UCHAR ZeroReplay[LEN_KEY_DESC_REPLAY];
-
- NdisZeroMemory(ZeroReplay, LEN_KEY_DESC_REPLAY);
- if ((RTMPCompareMemory(pMsg->KeyDesc.ReplayCounter, pEntry->R_Counter, LEN_KEY_DESC_REPLAY) != 1) &&
- (RTMPCompareMemory(pMsg->KeyDesc.ReplayCounter, ZeroReplay, LEN_KEY_DESC_REPLAY) != 0))
- {
- bReplayDiff = TRUE;
- }
- }
- else if (MsgType == EAPOL_PAIR_MSG_2 || MsgType == EAPOL_PAIR_MSG_4 || MsgType == EAPOL_GROUP_MSG_2) // For authenticator
- {
- // check Replay Counter coresponds to MSG from authenticator, otherwise discard
- if (!NdisEqualMemory(pMsg->KeyDesc.ReplayCounter, pEntry->R_Counter, LEN_KEY_DESC_REPLAY))
- {
- bReplayDiff = TRUE;
- }
- }
-
- // Replay Counter different condition
- if (bReplayDiff)
- {
- // send wireless event - for replay counter different
- if (pAd->CommonCfg.bWirelessEvent)
- RTMPSendWirelessEvent(pAd, IW_REPLAY_COUNTER_DIFF_EVENT_FLAG, pEntry->Addr, pEntry->apidx, 0);
-
- if (MsgType < EAPOL_GROUP_MSG_1)
- {
- DBGPRINT(RT_DEBUG_ERROR, ("Replay Counter Different in pairwise msg %d of 4-way handshake!\n", MsgType));
- }
- else
- {
- DBGPRINT(RT_DEBUG_ERROR, ("Replay Counter Different in group msg %d of 2-way handshake!\n", (MsgType - EAPOL_PAIR_MSG_4)));
- }
-
- hex_dump("Receive replay counter ", pMsg->KeyDesc.ReplayCounter, LEN_KEY_DESC_REPLAY);
- hex_dump("Current replay counter ", pEntry->R_Counter, LEN_KEY_DESC_REPLAY);
- return FALSE;
- }
-
- // 2. Verify MIC except Pairwise Msg1
- if (MsgType != EAPOL_PAIR_MSG_1)
- {
- UCHAR rcvd_mic[LEN_KEY_DESC_MIC];
-
- // Record the received MIC for check later
- NdisMoveMemory(rcvd_mic, pMsg->KeyDesc.KeyMic, LEN_KEY_DESC_MIC);
- NdisZeroMemory(pMsg->KeyDesc.KeyMic, LEN_KEY_DESC_MIC);
-
- if (pEntry->WepStatus == Ndis802_11Encryption2Enabled) // TKIP
- {
- hmac_md5(pEntry->PTK, LEN_EAP_MICK, (PUCHAR)pMsg, MsgLen, mic);
- }
- else if (pEntry->WepStatus == Ndis802_11Encryption3Enabled) // AES
- {
- HMAC_SHA1((PUCHAR)pMsg, MsgLen, pEntry->PTK, LEN_EAP_MICK, digest);
- NdisMoveMemory(mic, digest, LEN_KEY_DESC_MIC);
- }
-
- if (!NdisEqualMemory(rcvd_mic, mic, LEN_KEY_DESC_MIC))
- {
- // send wireless event - for MIC different
- if (pAd->CommonCfg.bWirelessEvent)
- RTMPSendWirelessEvent(pAd, IW_MIC_DIFF_EVENT_FLAG, pEntry->Addr, pEntry->apidx, 0);
-
- if (MsgType < EAPOL_GROUP_MSG_1)
- {
- DBGPRINT(RT_DEBUG_ERROR, ("MIC Different in pairwise msg %d of 4-way handshake!\n", MsgType));
- }
- else
- {
- DBGPRINT(RT_DEBUG_ERROR, ("MIC Different in group msg %d of 2-way handshake!\n", (MsgType - EAPOL_PAIR_MSG_4)));
- }
-
- hex_dump("Received MIC", rcvd_mic, LEN_KEY_DESC_MIC);
- hex_dump("Desired MIC", mic, LEN_KEY_DESC_MIC);
-
- return FALSE;
- }
- }
-
- // Extract the context of the Key Data field if it exist
- // The field in pairwise_msg_2_WPA1(WPA2) & pairwise_msg_3_WPA1 is un-encrypted.
- // The field in group_msg_1_WPA1(WPA2) & pairwise_msg_3_WPA2 is encrypted.
- if (pMsg->KeyDesc.KeyDataLen[1] > 0)
- {
- // Decrypt this field
- if ((MsgType == EAPOL_PAIR_MSG_3 && bWPA2) || (MsgType == EAPOL_GROUP_MSG_1))
- {
- if(pEntry->WepStatus == Ndis802_11Encryption3Enabled)
- {
- // AES
- AES_GTK_KEY_UNWRAP(&pEntry->PTK[16], KEYDATA, pMsg->KeyDesc.KeyDataLen[1],pMsg->KeyDesc.KeyData);
- }
- else
- {
- INT i;
- UCHAR Key[32];
- // Decrypt TKIP GTK
- // Construct 32 bytes RC4 Key
- NdisMoveMemory(Key, pMsg->KeyDesc.KeyIv, 16);
- NdisMoveMemory(&Key[16], &pEntry->PTK[16], 16);
- ARCFOUR_INIT(&pAd->PrivateInfo.WEPCONTEXT, Key, 32);
- //discard first 256 bytes
- for(i = 0; i < 256; i++)
- ARCFOUR_BYTE(&pAd->PrivateInfo.WEPCONTEXT);
- // Decrypt GTK. Becareful, there is no ICV to check the result is correct or not
- ARCFOUR_DECRYPT(&pAd->PrivateInfo.WEPCONTEXT, KEYDATA, pMsg->KeyDesc.KeyData, pMsg->KeyDesc.KeyDataLen[1]);
- }
-
- if (!bWPA2 && (MsgType == EAPOL_GROUP_MSG_1))
- GroupKeyIndex = EapolKeyInfo.KeyIndex;
-
- }
- else if ((MsgType == EAPOL_PAIR_MSG_2) || (MsgType == EAPOL_PAIR_MSG_3 && !bWPA2))
- {
- NdisMoveMemory(KEYDATA, pMsg->KeyDesc.KeyData, pMsg->KeyDesc.KeyDataLen[1]);
- }
- else
- {
-
- return TRUE;
- }
-
- // Parse Key Data field to
- // 1. verify RSN IE for pairwise_msg_2_WPA1(WPA2) ,pairwise_msg_3_WPA1(WPA2)
- // 2. verify KDE format for pairwise_msg_3_WPA2, group_msg_1_WPA2
- // 3. update shared key for pairwise_msg_3_WPA2, group_msg_1_WPA1(WPA2)
- if (!RTMPParseEapolKeyData(pAd, KEYDATA, pMsg->KeyDesc.KeyDataLen[1], GroupKeyIndex, MsgType, bWPA2, pEntry))
- {
- return FALSE;
- }
- }
-
- return TRUE;
-
-}
-
-#ifdef CONFIG_STA_SUPPORT
-#ifdef QOS_DLS_SUPPORT
-BOOLEAN MlmeDlsReqSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *Msg,
- IN ULONG MsgLen,
- OUT PRT_802_11_DLS *pDLS,
- OUT PUSHORT pReason)
-{
- MLME_DLS_REQ_STRUCT *pInfo;
-
- pInfo = (MLME_DLS_REQ_STRUCT *)Msg;
-
- *pDLS = pInfo->pDLS;
- *pReason = pInfo->Reason;
-
- return TRUE;
-}
-#endif // QOS_DLS_SUPPORT //
-#endif // CONFIG_STA_SUPPORT //
-
-#ifdef QOS_DLS_SUPPORT
-BOOLEAN PeerDlsReqSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *Msg,
- IN ULONG MsgLen,
- OUT PUCHAR pDA,
- OUT PUCHAR pSA,
- OUT USHORT *pCapabilityInfo,
- OUT USHORT *pDlsTimeout,
- OUT UCHAR *pRatesLen,
- OUT UCHAR Rates[],
- OUT UCHAR *pHtCapabilityLen,
- OUT HT_CAPABILITY_IE *pHtCapability)
-{
- CHAR *Ptr;
- PFRAME_802_11 Fr = (PFRAME_802_11)Msg;
- PEID_STRUCT eid_ptr;
-
- // to prevent caller from using garbage output value
- *pCapabilityInfo = 0;
- *pDlsTimeout = 0;
- *pHtCapabilityLen = 0;
-
- Ptr = Fr->Octet;
-
- // offset to destination MAC address (Category and Action field)
- Ptr += 2;
-
- // get DA from payload and advance the pointer
- NdisMoveMemory(pDA, Ptr, MAC_ADDR_LEN);
- Ptr += MAC_ADDR_LEN;
-
- // get SA from payload and advance the pointer
- NdisMoveMemory(pSA, Ptr, MAC_ADDR_LEN);
- Ptr += MAC_ADDR_LEN;
-
- // get capability info from payload and advance the pointer
- NdisMoveMemory(pCapabilityInfo, Ptr, 2);
- Ptr += 2;
-
- // get capability info from payload and advance the pointer
- NdisMoveMemory(pDlsTimeout, Ptr, 2);
- Ptr += 2;
-
- // Category and Action field + DA + SA + capability + Timeout
- eid_ptr = (PEID_STRUCT) &Fr->Octet[18];
-
- while (((UCHAR*)eid_ptr + eid_ptr->Len + 1) < ((UCHAR*)Fr + MsgLen))
- {
- switch(eid_ptr->Eid)
- {
- case IE_SUPP_RATES:
- if ((eid_ptr->Len <= MAX_LEN_OF_SUPPORTED_RATES) && (eid_ptr->Len > 0))
- {
- NdisMoveMemory(Rates, eid_ptr->Octet, eid_ptr->Len);
- DBGPRINT(RT_DEBUG_TRACE, ("PeerDlsReqSanity - IE_SUPP_RATES., Len=%d. Rates[0]=%x\n",eid_ptr->Len, Rates[0]));
- DBGPRINT(RT_DEBUG_TRACE, ("Rates[1]=%x %x %x %x %x %x %x\n", Rates[1], Rates[2], Rates[3], Rates[4], Rates[5], Rates[6], Rates[7]));
- *pRatesLen = eid_ptr->Len;
- }
- else
- {
- *pRatesLen = 8;
- Rates[0] = 0x82;
- Rates[1] = 0x84;
- Rates[2] = 0x8b;
- Rates[3] = 0x96;
- Rates[4] = 0x12;
- Rates[5] = 0x24;
- Rates[6] = 0x48;
- Rates[7] = 0x6c;
- DBGPRINT(RT_DEBUG_TRACE, ("PeerDlsReqSanity - wrong IE_SUPP_RATES., Len=%d\n",eid_ptr->Len));
- }
- break;
-
- case IE_EXT_SUPP_RATES:
- if (eid_ptr->Len + *pRatesLen <= MAX_LEN_OF_SUPPORTED_RATES)
- {
- NdisMoveMemory(&Rates[*pRatesLen], eid_ptr->Octet, eid_ptr->Len);
- *pRatesLen = (*pRatesLen) + eid_ptr->Len;
- }
- else
- {
- NdisMoveMemory(&Rates[*pRatesLen], eid_ptr->Octet, MAX_LEN_OF_SUPPORTED_RATES - (*pRatesLen));
- *pRatesLen = MAX_LEN_OF_SUPPORTED_RATES;
- }
- break;
-
- case IE_HT_CAP:
- if (eid_ptr->Len >= sizeof(HT_CAPABILITY_IE))
- {
- NdisMoveMemory(pHtCapability, eid_ptr->Octet, sizeof(HT_CAPABILITY_IE));
-
- *(USHORT *)(&pHtCapability->HtCapInfo) = cpu2le16(*(USHORT *)(&pHtCapability->HtCapInfo));
- *(USHORT *)(&pHtCapability->ExtHtCapInfo) = cpu2le16(*(USHORT *)(&pHtCapability->ExtHtCapInfo));
- *pHtCapabilityLen = sizeof(HT_CAPABILITY_IE);
-
- DBGPRINT(RT_DEBUG_TRACE, ("PeerDlsReqSanity - IE_HT_CAP\n"));
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("PeerDlsReqSanity - wrong IE_HT_CAP.eid_ptr->Len = %d\n", eid_ptr->Len));
- }
- break;
-
- default:
- break;
- }
-
- eid_ptr = (PEID_STRUCT)((UCHAR*)eid_ptr + 2 + eid_ptr->Len);
- }
-
- return TRUE;
-}
-
-BOOLEAN PeerDlsRspSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *Msg,
- IN ULONG MsgLen,
- OUT PUCHAR pDA,
- OUT PUCHAR pSA,
- OUT USHORT *pCapabilityInfo,
- OUT USHORT *pStatus,
- OUT UCHAR *pRatesLen,
- OUT UCHAR Rates[],
- OUT UCHAR *pHtCapabilityLen,
- OUT HT_CAPABILITY_IE *pHtCapability)
-{
- CHAR *Ptr;
- PFRAME_802_11 Fr = (PFRAME_802_11)Msg;
- PEID_STRUCT eid_ptr;
-
- // to prevent caller from using garbage output value
- *pStatus = 0;
- *pCapabilityInfo = 0;
- *pHtCapabilityLen = 0;
-
- Ptr = Fr->Octet;
-
- // offset to destination MAC address (Category and Action field)
- Ptr += 2;
-
- // get status code from payload and advance the pointer
- NdisMoveMemory(pStatus, Ptr, 2);
- Ptr += 2;
-
- // get DA from payload and advance the pointer
- NdisMoveMemory(pDA, Ptr, MAC_ADDR_LEN);
- Ptr += MAC_ADDR_LEN;
-
- // get SA from payload and advance the pointer
- NdisMoveMemory(pSA, Ptr, MAC_ADDR_LEN);
- Ptr += MAC_ADDR_LEN;
-
- if (pStatus == 0)
- {
- // get capability info from payload and advance the pointer
- NdisMoveMemory(pCapabilityInfo, Ptr, 2);
- Ptr += 2;
- }
-
- // Category and Action field + status code + DA + SA + capability
- eid_ptr = (PEID_STRUCT) &Fr->Octet[18];
-
- while (((UCHAR*)eid_ptr + eid_ptr->Len + 1) < ((UCHAR*)Fr + MsgLen))
- {
- switch(eid_ptr->Eid)
- {
- case IE_SUPP_RATES:
- if ((eid_ptr->Len <= MAX_LEN_OF_SUPPORTED_RATES) && (eid_ptr->Len > 0))
- {
- NdisMoveMemory(Rates, eid_ptr->Octet, eid_ptr->Len);
- DBGPRINT(RT_DEBUG_TRACE, ("PeerDlsRspSanity - IE_SUPP_RATES., Len=%d. Rates[0]=%x\n",eid_ptr->Len, Rates[0]));
- DBGPRINT(RT_DEBUG_TRACE, ("Rates[1]=%x %x %x %x %x %x %x\n", Rates[1], Rates[2], Rates[3], Rates[4], Rates[5], Rates[6], Rates[7]));
- *pRatesLen = eid_ptr->Len;
- }
- else
- {
- *pRatesLen = 8;
- Rates[0] = 0x82;
- Rates[1] = 0x84;
- Rates[2] = 0x8b;
- Rates[3] = 0x96;
- Rates[4] = 0x12;
- Rates[5] = 0x24;
- Rates[6] = 0x48;
- Rates[7] = 0x6c;
- DBGPRINT(RT_DEBUG_TRACE, ("PeerDlsRspSanity - wrong IE_SUPP_RATES., Len=%d\n",eid_ptr->Len));
- }
- break;
-
- case IE_EXT_SUPP_RATES:
- if (eid_ptr->Len + *pRatesLen <= MAX_LEN_OF_SUPPORTED_RATES)
- {
- NdisMoveMemory(&Rates[*pRatesLen], eid_ptr->Octet, eid_ptr->Len);
- *pRatesLen = (*pRatesLen) + eid_ptr->Len;
- }
- else
- {
- NdisMoveMemory(&Rates[*pRatesLen], eid_ptr->Octet, MAX_LEN_OF_SUPPORTED_RATES - (*pRatesLen));
- *pRatesLen = MAX_LEN_OF_SUPPORTED_RATES;
- }
- break;
-
- case IE_HT_CAP:
- if (eid_ptr->Len >= sizeof(HT_CAPABILITY_IE))
- {
- NdisMoveMemory(pHtCapability, eid_ptr->Octet, sizeof(HT_CAPABILITY_IE));
-
- *(USHORT *)(&pHtCapability->HtCapInfo) = cpu2le16(*(USHORT *)(&pHtCapability->HtCapInfo));
- *(USHORT *)(&pHtCapability->ExtHtCapInfo) = cpu2le16(*(USHORT *)(&pHtCapability->ExtHtCapInfo));
- *pHtCapabilityLen = sizeof(HT_CAPABILITY_IE);
-
- DBGPRINT(RT_DEBUG_TRACE, ("PeerDlsRspSanity - IE_HT_CAP\n"));
- }
- else
- {
- DBGPRINT(RT_DEBUG_TRACE, ("PeerDlsRspSanity - wrong IE_HT_CAP.eid_ptr->Len = %d\n", eid_ptr->Len));
- }
- break;
-
- default:
- break;
- }
-
- eid_ptr = (PEID_STRUCT)((UCHAR*)eid_ptr + 2 + eid_ptr->Len);
- }
-
- return TRUE;
-}
-
-BOOLEAN PeerDlsTearDownSanity(
- IN PRTMP_ADAPTER pAd,
- IN VOID *Msg,
- IN ULONG MsgLen,
- OUT PUCHAR pDA,
- OUT PUCHAR pSA,
- OUT USHORT *pReason)
-{
- CHAR *Ptr;
- PFRAME_802_11 Fr = (PFRAME_802_11)Msg;
-
- // to prevent caller from using garbage output value
- *pReason = 0;
-
- Ptr = Fr->Octet;
-
- // offset to destination MAC address (Category and Action field)
- Ptr += 2;
-
- // get DA from payload and advance the pointer
- NdisMoveMemory(pDA, Ptr, MAC_ADDR_LEN);
- Ptr += MAC_ADDR_LEN;
-
- // get SA from payload and advance the pointer
- NdisMoveMemory(pSA, Ptr, MAC_ADDR_LEN);
- Ptr += MAC_ADDR_LEN;
-
- // get reason code from payload and advance the pointer
- NdisMoveMemory(pReason, Ptr, 2);
- Ptr += 2;
-
- return TRUE;
-}
-#endif // QOS_DLS_SUPPORT //
-
+#include "../../rt2870/common/cmm_sanity.c"
git.openpandora.org / pandora-kernel.git / blobdiff