_IRQL_requires_same_
inline VOID KrnlHlprClassifyDataReleaseLocalCopy(_Inout_ CLASSIFY_DATA* pClassifyData)
{
#if DBG
DbgPrintEx(DPFLTR_IHVNETWORK_ID,
DPFLTR_INFO_LEVEL,
" ---> KrnlHlprClassifyDataReleaseLocalCopy()\n");
#endif /// DBG
NT_ASSERT(pClassifyData);
KrnlHlprFwpsClassifyOutDestroyLocalCopy((FWPS_CLASSIFY_OUT**)&(pClassifyData->pClassifyOut));
pClassifyData->flowContext = 0;
KrnlHlprFwpsFilterDestroyLocalCopy((FWPS_FILTER**)&(pClassifyData->pFilter));
#if(NTDDI_VERSION >= NTDDI_WIN7)
if(pClassifyData->classifyContextHandle)
FwpsReleaseClassifyHandle(pClassifyData->classifyContextHandle);
#endif /// (NTDDI_VERSION >= NTDDI_WIN7)
if(pClassifyData->pPacket)
{
if(pClassifyData->pClassifyValues)
{
if(pClassifyData->pClassifyValues->layerId == FWPS_LAYER_STREAM_V4 ||
pClassifyData->pClassifyValues->layerId == FWPS_LAYER_STREAM_V4_DISCARD ||
pClassifyData->pClassifyValues->layerId == FWPS_LAYER_STREAM_V6 ||
pClassifyData->pClassifyValues->layerId == FWPS_LAYER_STREAM_V6_DISCARD)
KrnlHlprFwpsStreamCalloutIOPacketDestroyLocalCopy((FWPS_STREAM_CALLOUT_IO_PACKET**)&(pClassifyData->pPacket));
else if(pClassifyData->chainedNBL)
{
BOOLEAN isDispatch = (KeGetCurrentIrql() == DISPATCH_LEVEL) ? TRUE : FALSE;
UINT32 numChainedNBLs = pClassifyData->numChainedNBLs;
for(NET_BUFFER_LIST* pCurrentNBL = (NET_BUFFER_LIST*)pClassifyData->pPacket;
pCurrentNBL &&
numChainedNBLs;
numChainedNBLs--)
{
NET_BUFFER_LIST* pNextNBL = NET_BUFFER_LIST_NEXT_NBL(pCurrentNBL);
FwpsDereferenceNetBufferList(pCurrentNBL,
isDispatch);
pCurrentNBL = pNextNBL;
#if DBG
InterlockedDecrement64((LONG64*)&(g_OutstandingNBLReferences));
#endif /// DBG
}
}
else
{
BOOLEAN isDispatch = (KeGetCurrentIrql() == DISPATCH_LEVEL) ? TRUE : FALSE;
FwpsDereferenceNetBufferList((NET_BUFFER_LIST*)pClassifyData->pPacket,
isDispatch);
#if DBG
InterlockedDecrement64((LONG64*)&(g_OutstandingNBLReferences));
#endif /// DBG
}
}
pClassifyData->pPacket = 0;
}
KrnlHlprFwpsIncomingMetadataValuesDestroyLocalCopy((FWPS_INCOMING_METADATA_VALUES**)&(pClassifyData->pMetadataValues));
if(pClassifyData->pClassifyValues)
KrnlHlprFwpsIncomingValuesDestroyLocalCopy((FWPS_INCOMING_VALUES**)&(pClassifyData->pClassifyValues));
RtlZeroMemory(pClassifyData,
sizeof(CLASSIFY_DATA));
#if DBG
DbgPrintEx(DPFLTR_IHVNETWORK_ID,
DPFLTR_INFO_LEVEL,
" <--- KrnlHlprClassifyDataReleaseLocalCopy()\n");
#endif /// DBG
return;
}
_IRQL_requires_same_
inline VOID KrnlHlprRedirectDataPurge(_Inout_ REDIRECT_DATA* pRedirectData)
{
#if DBG
DbgPrintEx(DPFLTR_IHVNETWORK_ID,
DPFLTR_INFO_LEVEL,
" ---> KrnlHlprRedirectDataPurge()\n");
#endif /// DBG
NT_ASSERT(pRedirectData);
if(pRedirectData->pWritableLayerData)
{
FwpsApplyModifiedLayerData(pRedirectData->classifyHandle,
pRedirectData->pWritableLayerData,
FWPS_CLASSIFY_FLAG_REAUTHORIZE_IF_MODIFIED_BY_OTHERS);
pRedirectData->pWritableLayerData = 0;
}
if(pRedirectData->classifyHandle)
{
if(pRedirectData->isPended)
{
FwpsCompleteClassify(pRedirectData->classifyHandle,
0,
pRedirectData->pClassifyOut);
pRedirectData->isPended = FALSE;
}
#if(NTDDI_VERSION >= NTDDI_WIN8)
if(pRedirectData->redirectHandle)
{
FwpsRedirectHandleDestroy(pRedirectData->redirectHandle);
pRedirectData->redirectHandle = 0;
}
#endif
FwpsReleaseClassifyHandle(pRedirectData->classifyHandle);
pRedirectData->classifyHandle = 0;
}
RtlZeroMemory(pRedirectData,
sizeof(REDIRECT_DATA));
#if DBG
DbgPrintEx(DPFLTR_IHVNETWORK_ID,
DPFLTR_INFO_LEVEL,
" <--- KrnlHlprRedirectDataPurge()\n");
#endif /// DBG
return;
}
_IRQL_requires_same_
inline VOID KrnlHlprPendDataPurge(_Inout_ PEND_DATA* pPendData)
{
#if DBG
DbgPrintEx(DPFLTR_IHVNETWORK_ID,
DPFLTR_INFO_LEVEL,
" ---> KrnlHlprPendDataPurge()\n");
#endif /// DBG
NT_ASSERT(pPendData);
#if(NTDDI_VERSION >= NTDDI_WIN7)
if(pPendData->layerID == FWPS_LAYER_ALE_ENDPOINT_CLOSURE_V4 ||
pPendData->layerID == FWPS_LAYER_ALE_ENDPOINT_CLOSURE_V6)
{
if(pPendData->classifyHandle &&
pPendData->isPended)
{
FwpsCompleteClassify(pPendData->classifyHandle,
0,
&(pPendData->classifyOut));
FwpsReleaseClassifyHandle(pPendData->classifyHandle);
pPendData->classifyHandle = 0;
pPendData->pPCPendData = 0;
pPendData->isPended = FALSE;
}
}
else
#endif /// (NTDDI_VERSION >= NTDDI_WIN7)
{
if(pPendData->completionContext &&
pPendData->isPended)
{
FwpsCompleteOperation(pPendData->completionContext,
pPendData->pNBL);
pPendData->completionContext = 0;
pPendData->pNBL = 0;
pPendData->pPendAuthorizationData = 0;
pPendData->isPended = FALSE;
}
}
RtlZeroMemory(pPendData,
sizeof(PEND_DATA));
#if DBG
DbgPrintEx(DPFLTR_IHVNETWORK_ID,
DPFLTR_INFO_LEVEL,
" <--- KrnlHlprPendDataPurge()\n");
#endif /// DBG
return;
}
