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authorJ M Rossy <[email protected]>2015-07-29 15:40:09 -0700
committerJ M Rossy <[email protected]>2015-07-29 16:34:40 -0700
commit5d61a4a79a1e96dc5d9af1e5e712c84507307544 (patch)
tree49ed270893578cd18758b74ffcca16dc7ab948d6 /network/trans/WFPSampler/sys/ClassifyFunctions_FlowAssociationCallouts.cpp
parent5d41613e26e147d2300c786bb2b34cb4b4067a25 (diff)
Samples update for public Windows 10 release
Fix #2 Enabling WPP Recorder in Sensors Samples causes errors Fix #4 Add back fixed KMDOD sample Add new BarcodeScanner sample in pos folder Add new MagneticStripeReader sample in pos folder Add new SynpaticsTouch sample in input folder Add new Power Engine Plugin sample in pofx folder Add new DeviceMft sample in avstream folder Add new AvsCamera sample in root Add new SimBatt sample in root Add other pre-existing samples not yet released for Win10
Diffstat (limited to 'network/trans/WFPSampler/sys/ClassifyFunctions_FlowAssociationCallouts.cpp')
-rw-r--r--network/trans/WFPSampler/sys/ClassifyFunctions_FlowAssociationCallouts.cpp238
1 files changed, 238 insertions, 0 deletions
diff --git a/network/trans/WFPSampler/sys/ClassifyFunctions_FlowAssociationCallouts.cpp b/network/trans/WFPSampler/sys/ClassifyFunctions_FlowAssociationCallouts.cpp
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+++ b/network/trans/WFPSampler/sys/ClassifyFunctions_FlowAssociationCallouts.cpp
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+////////////////////////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2014 Microsoft Corporation. All Rights Reserved.
+//
+// Module Name:
+// ClassifyFunctions_FlowAssocationCallouts.cpp
+//
+// Abstract:
+// This module contains WFP Classify functions for associating contexts with flows.
+//
+// Naming Convention:
+//
+// <Module><Scenario>
+//
+// i.e.
+//
+// ClassifyFlowAssociation
+//
+// <Module>
+// Classify - Function is an FWPS_CALLOUT_CLASSIFY_FN.
+// Perform - Executes the desired scenario.
+// <Scenario>
+// FlowAssociation - Function demonstates associating contexts with flows.
+//
+// Private Functions:
+// PerformFlowAssociation(),
+//
+// Public Functions:
+// ClassifyFlowAssociation(),
+//
+// Author:
+// Dusty Harper (DHarper)
+//
+// Revision History:
+//
+// [ Month ][Day] [Year] - [Revision]-[ Comments ]
+// December 13, 2013 - 1.1 - Creation
+//
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#include "Framework_WFPSamplerCalloutDriver.h" /// .
+#include "ClassifyFunctions_FlowAssociationCallouts.tmh" /// $(OBJ_PATH)\$(O)\
+
+NTSTATUS PerformFlowAssociation(_In_ const FWPS_INCOMING_METADATA_VALUES* pMetadata,
+ _In_ const PC_FLOW_ASSOCIATION_DATA* pFlowAssociationData)
+{
+
+#if DBG
+
+ DbgPrintEx(DPFLTR_IHVNETWORK_ID,
+ DPFLTR_INFO_LEVEL,
+ " ---> PerformFlowAssociation()\n");
+
+#endif /// DBG
+
+ NT_ASSERT(pMetadata);
+ NT_ASSERT(pFlowAssociationData);
+
+ NTSTATUS status = STATUS_SUCCESS;
+
+ if(FWPS_IS_METADATA_FIELD_PRESENT(pMetadata,
+ FWPS_METADATA_FIELD_FLOW_HANDLE))
+ {
+ for(UINT32 index = 0;
+ index < pFlowAssociationData->itemCount;
+ index++)
+ {
+ FLOW_CONTEXT* pFlowContext = 0;
+
+#pragma warning(push)
+#pragma warning(disable: 6014) /// pNotifyData is expected to be cleaned up by NotifyFlowDeleteNotification
+
+ status = KrnlHlprFlowContextCreate(&pFlowContext,
+ pMetadata->flowHandle,
+ pFlowAssociationData->pLayerIDs[index],
+ pFlowAssociationData->pCalloutIDs[index],
+ CONTEXT_TYPE_DEFAULT,
+ pFlowAssociationData);
+ HLPR_BAIL_ON_FAILURE(status);
+
+#pragma warning(pop)
+
+ }
+ }
+
+ HLPR_BAIL_LABEL:
+
+#if DBG
+
+ DbgPrintEx(DPFLTR_IHVNETWORK_ID,
+ DPFLTR_INFO_LEVEL,
+ " <--- PerformFlowAssociation() [status: %#x]\n",
+ status);
+
+#endif /// DBG
+
+ return status;
+}
+
+#if(NTDDI_VERSION >= NTDDI_WIN7)
+
+/**
+ @classify_function="ClassifyFlowAssociation"
+
+ Purpose: Associates a context with a flow which is available for each of the layers
+ specified in the provider context <br>
+ <br>
+ Notes: Applies to the following layers: <br>
+ FWPS_LAYER_ALE_FLOW_ESTABLISHED_V{4/6} <br>
+ <br>
+ MSDN_Ref: <br>
+*/
+_IRQL_requires_min_(PASSIVE_LEVEL)
+_IRQL_requires_max_(DISPATCH_LEVEL)
+_IRQL_requires_same_
+VOID NTAPI ClassifyFlowAssociation(_In_ const FWPS_INCOMING_VALUES0* pClassifyValues,
+ _In_ const FWPS_INCOMING_METADATA_VALUES* pMetadata,
+ _Inout_opt_ VOID* pNetBufferList,
+ _In_opt_ const VOID* pClassifyContext,
+ _In_ const FWPS_FILTER* pFilter,
+ _In_ UINT64 flowContext,
+ _Inout_ FWPS_CLASSIFY_OUT0* pClassifyOut)
+{
+ NT_ASSERT(pClassifyValues);
+ NT_ASSERT(pClassifyValues->layerId == FWPS_LAYER_ALE_FLOW_ESTABLISHED_V4 ||
+ pClassifyValues->layerId == FWPS_LAYER_ALE_FLOW_ESTABLISHED_V6);
+ NT_ASSERT(pMetadata);
+ NT_ASSERT(pFilter);
+ NT_ASSERT(pFilter->providerContext);
+ NT_ASSERT(pFilter->providerContext->type == FWPM_GENERAL_CONTEXT);
+ NT_ASSERT(pFilter->providerContext->dataBuffer);
+ NT_ASSERT(pFilter->providerContext->dataBuffer);
+ NT_ASSERT(pFilter->providerContext->dataBuffer->size == sizeof(PC_FLOW_ASSOCIATION_DATA));
+ NT_ASSERT(pFilter->providerContext->dataBuffer->data);
+ NT_ASSERT(pClassifyOut);
+
+ UNREFERENCED_PARAMETER(pNetBufferList);
+ UNREFERENCED_PARAMETER(pClassifyContext);
+
+ DbgPrintEx(DPFLTR_IHVNETWORK_ID,
+ DPFLTR_INFO_LEVEL,
+ " ---> ClassifyFlowAssociation() [Layer: %s][FilterID: %#I64x][Rights: %#x]",
+ KrnlHlprFwpsLayerIDToString(pClassifyValues->layerId),
+ pFilter->filterId,
+ pClassifyOut->rights);
+
+ if(pClassifyOut->rights & FWPS_RIGHT_ACTION_WRITE)
+ {
+ pClassifyOut->actionType = FWP_ACTION_CONTINUE;
+
+ /// ensure we only associate the context once
+ if(flowContext == 0 &&
+ !(pClassifyValues->incomingValue[FWPS_FIELD_ALE_FLOW_ESTABLISHED_V4_FLAGS].value.uint32 & FWP_CONDITION_FLAG_IS_REAUTHORIZE))
+ PerformFlowAssociation(pMetadata,
+ (PC_FLOW_ASSOCIATION_DATA*)pFilter->providerContext->dataBuffer->data);
+ }
+
+ DbgPrintEx(DPFLTR_IHVNETWORK_ID,
+ DPFLTR_INFO_LEVEL,
+ " <--- ClassifyFlowAssociation() [Layer: %s][FilterID: %#I64x][Action: %#x][Rights: %#x][Absorb: %s]\n",
+ KrnlHlprFwpsLayerIDToString(pClassifyValues->layerId),
+ pFilter->filterId,
+ pClassifyOut->actionType,
+ pClassifyOut->rights,
+ (pClassifyOut->flags & FWPS_CLASSIFY_OUT_FLAG_ABSORB) ? "TRUE" : "FALSE");
+
+ return;
+}
+
+#else
+
+/**
+ @classify_function="ClassifyFlowAssociation"
+
+ Purpose: Associates a context with a flow which is available for each of the layers
+ specified in the provider context <br>
+ <br>
+ Notes: Applies to the following layers: <br>
+ FWPS_LAYER_ALE_FLOW_ESTABLISHED_V{4/6} <br>
+ <br>
+ MSDN_Ref: <br>
+*/
+_IRQL_requires_min_(PASSIVE_LEVEL)
+_IRQL_requires_max_(DISPATCH_LEVEL)
+_IRQL_requires_same_
+VOID NTAPI ClassifyFlowAssociation(_In_ const FWPS_INCOMING_VALUES* pClassifyValues,
+ _In_ const FWPS_INCOMING_METADATA_VALUES* pMetadata,
+ _Inout_opt_ VOID* pNetBufferList,
+ _In_ const FWPS_FILTER* pFilter,
+ _In_ UINT64 flowContext,
+ _Inout_ FWPS_CLASSIFY_OUT* pClassifyOut)
+{
+ NT_ASSERT(pClassifyValues);
+ NT_ASSERT(pClassifyValues->layerId == FWPS_LAYER_ALE_FLOW_ESTABLISHED_V4 ||
+ pClassifyValues->layerId == FWPS_LAYER_ALE_FLOW_ESTABLISHED_V6);
+ NT_ASSERT(pMetadata);
+ NT_ASSERT(pFilter);
+ NT_ASSERT(pFilter->providerContext);
+ NT_ASSERT(pFilter->providerContext->type == FWPM_GENERAL_CONTEXT);
+ NT_ASSERT(pFilter->providerContext->dataBuffer);
+ NT_ASSERT(pFilter->providerContext->dataBuffer);
+ NT_ASSERT(pFilter->providerContext->dataBuffer->size == sizeof(PC_FLOW_ASSOCIATION_DATA));
+ NT_ASSERT(pFilter->providerContext->dataBuffer->data);
+ NT_ASSERT(pClassifyOut);
+
+ UNREFERENCED_PARAMETER(pNetBufferList);
+
+ DbgPrintEx(DPFLTR_IHVNETWORK_ID,
+ DPFLTR_INFO_LEVEL,
+ " ---> ClassifyFlowAssociation() [Layer: %s][FilterID: %#I64x][Rights: %#x]",
+ KrnlHlprFwpsLayerIDToString(pClassifyValues->layerId),
+ pFilter->filterId,
+ pClassifyOut->rights);
+
+ if(pClassifyOut->rights & FWPS_RIGHT_ACTION_WRITE)
+ {
+ pClassifyOut->actionType = FWP_ACTION_CONTINUE;
+
+ /// ensure we only associate the context once
+ if(flowContext == 0 &&
+ !(pClassifyValues->incomingValue[FWPS_FIELD_ALE_FLOW_ESTABLISHED_V4_FLAGS].value.uint32 & FWP_CONDITION_FLAG_IS_REAUTHORIZE))
+ PerformFlowAssociation(pMetadata,
+ (PC_FLOW_ASSOCIATION_DATA*)pFilter->providerContext->dataBuffer->data);
+ }
+
+ DbgPrintEx(DPFLTR_IHVNETWORK_ID,
+ DPFLTR_INFO_LEVEL,
+ " <--- ClassifyFlowAssociation() [Layer: %s][FilterID: %#I64x][Action: %#x][Rights: %#x][Absorb: %s]\n",
+ KrnlHlprFwpsLayerIDToString(pClassifyValues->layerId),
+ pFilter->filterId,
+ pClassifyOut->actionType,
+ pClassifyOut->rights,
+ (pClassifyOut->flags & FWPS_CLASSIFY_OUT_FLAG_ABSORB) ? "TRUE" : "FALSE");
+
+ return;
+}
+
+#endif /// (NTDDI_VERSION >= NTDDI_WIN7)