diff options
Diffstat (limited to 'drivers/staging/rt2870/common/cmm_sanity.c')
| -rw-r--r-- | drivers/staging/rt2870/common/cmm_sanity.c | 1664 |
1 files changed, 1 insertions, 1663 deletions
diff --git a/drivers/staging/rt2870/common/cmm_sanity.c b/drivers/staging/rt2870/common/cmm_sanity.c index 1e24320177bc..cb3352118c57 100644 --- a/drivers/staging/rt2870/common/cmm_sanity.c +++ b/drivers/staging/rt2870/common/cmm_sanity.c @@ -1,1663 +1 @@ -/* - ************************************************************************* - * 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 - } - 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 "../../rt2860/common/cmm_sanity.c" |