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285 lines
6.5 KiB
C
285 lines
6.5 KiB
C
#ifndef _FLTMGR_INTERNAL_H
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#define _FLTMGR_INTERNAL_H
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#define MAX_CONTEXT_TYPES 6
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typedef enum _FLT_OBJECT_FLAGS
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{
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FLT_OBFL_DRAINING = 1,
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FLT_OBFL_ZOMBIED = 2,
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FLT_OBFL_TYPE_INSTANCE = 0x1000000,
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FLT_OBFL_TYPE_FILTER = 0x2000000,
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FLT_OBFL_TYPE_VOLUME = 0x4000000
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} FLT_OBJECT_FLAGS, *PFLT_OBJECT_FLAGS;
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typedef enum _FLT_FILTER_FLAGS
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{
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FLTFL_MANDATORY_UNLOAD_IN_PROGRESS = 1,
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FLTFL_FILTERING_INITIATED = 2
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} FLT_FILTER_FLAGS, *PFLT_FILTER_FLAGS;
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typedef struct _FLT_OBJECT // size = 0x14
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{
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volatile FLT_OBJECT_FLAGS Flags;
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ULONG PointerCount;
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EX_RUNDOWN_REF RundownRef;
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LIST_ENTRY PrimaryLink;
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} FLT_OBJECT, *PFLT_OBJECT;
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typedef struct _ALLOCATE_CONTEXT_HEADER
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{
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PFLT_FILTER Filter;
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PFLT_CONTEXT_CLEANUP_CALLBACK ContextCleanupCallback;
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struct _ALLOCATE_CONTEXT_HEADER *Next;
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FLT_CONTEXT_TYPE ContextType;
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char Flags;
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char AllocationType;
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} ALLOCATE_CONTEXT_HEADER, *PALLOCATE_CONTEXT_HEADER;
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typedef struct _FLT_RESOURCE_LIST_HEAD
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{
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ERESOURCE rLock;
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LIST_ENTRY rList;
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ULONG rCount;
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} FLT_RESOURCE_LIST_HEAD, *PFLT_RESOURCE_LIST_HEAD;
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typedef struct _FLT_MUTEX_LIST_HEAD
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{
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FAST_MUTEX mLock;
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LIST_ENTRY mList;
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ULONG mCount;
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} FLT_MUTEX_LIST_HEAD, *PFLT_MUTEX_LIST_HEAD;
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typedef struct _FLT_FILTER // size = 0x120
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{
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FLT_OBJECT Base;
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PVOID Frame; //FLTP_FRAME
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UNICODE_STRING Name;
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UNICODE_STRING DefaultAltitude;
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FLT_FILTER_FLAGS Flags;
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PDRIVER_OBJECT DriverObject;
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FLT_RESOURCE_LIST_HEAD InstanceList;
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PVOID VerifierExtension;
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PFLT_FILTER_UNLOAD_CALLBACK FilterUnload;
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PFLT_INSTANCE_SETUP_CALLBACK InstanceSetup;
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PFLT_INSTANCE_QUERY_TEARDOWN_CALLBACK InstanceQueryTeardown;
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PFLT_INSTANCE_TEARDOWN_CALLBACK InstanceTeardownStart;
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PFLT_INSTANCE_TEARDOWN_CALLBACK InstanceTeardownComplete;
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PALLOCATE_CONTEXT_HEADER SupportedContextsListHead;
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PALLOCATE_CONTEXT_HEADER SupportedContexts[MAX_CONTEXT_TYPES];
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PVOID PreVolumeMount;
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PVOID PostVolumeMount;
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PFLT_GENERATE_FILE_NAME GenerateFileName;
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PFLT_NORMALIZE_NAME_COMPONENT NormalizeNameComponent;
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PFLT_NORMALIZE_CONTEXT_CLEANUP NormalizeContextCleanup;
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PFLT_OPERATION_REGISTRATION Operations;
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PFLT_FILTER_UNLOAD_CALLBACK OldDriverUnload;
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FLT_MUTEX_LIST_HEAD ActiveOpens;
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FLT_MUTEX_LIST_HEAD ConnectionList;
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FLT_MUTEX_LIST_HEAD PortList;
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EX_PUSH_LOCK PortLock;
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} FLT_FILTER, *PFLT_FILTER;
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typedef enum _FLT_yINSTANCE_FLAGS
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{
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INSFL_CAN_BE_DETACHED = 0x01,
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INSFL_DELETING = 0x02,
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INSFL_INITING = 0x04
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} FLT_INSTANCE_FLAGS, *PFLT_INSTANCE_FLAGS;
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typedef struct _FLT_TYPE
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{
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USHORT Signature;
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USHORT Size;
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} FLT_TYPE, *PFLT_TYPE;
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typedef struct _FLT_INSTANCE // size = 0x144 (324)
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{
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FLT_OBJECT Base;
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ULONG OperationRundownRef;
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PVOID Volume; //PFLT_VOLUME
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PFLT_FILTER Filter;
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FLT_INSTANCE_FLAGS Flags;
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UNICODE_STRING Altitude;
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UNICODE_STRING Name;
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LIST_ENTRY FilterLink;
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ERESOURCE ContextLock;
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PVOID Context; //PCONTEXT_NODE
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PVOID TrackCompletionNodes; //PRACK_COMPLETION_NODES
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PVOID CallbackNodes[50]; //PCALLBACK_NODE
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} FLT_INSTANCE, *PFLT_INSTANCE;
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// http://fsfilters.blogspot.co.uk/2010/02/filter-manager-concepts-part-1.html
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typedef struct _FLTP_FRAME
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{
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FLT_TYPE Type;
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LIST_ENTRY Links;
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unsigned int FrameID;
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ERESOURCE AltitudeLock;
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UNICODE_STRING AltitudeIntervalLow;
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UNICODE_STRING AltitudeIntervalHigh;
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char LargeIrpCtrlStackSize;
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char SmallIrpCtrlStackSize;
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FLT_RESOURCE_LIST_HEAD RegisteredFilters;
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FLT_RESOURCE_LIST_HEAD AttachedVolumes;
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LIST_ENTRY MountingVolumes;
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FLT_MUTEX_LIST_HEAD AttachedFileSystems;
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FLT_MUTEX_LIST_HEAD ZombiedFltObjectContexts;
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ERESOURCE FilterUnloadLock;
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FAST_MUTEX DeviceObjectAttachLock;
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//FLT_PRCB *Prcb;
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void *PrcbPoolToFree;
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void *LookasidePoolToFree;
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//FLTP_IRPCTRL_STACK_PROFILER IrpCtrlStackProfiler;
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NPAGED_LOOKASIDE_LIST SmallIrpCtrlLookasideList;
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NPAGED_LOOKASIDE_LIST LargeIrpCtrlLookasideList;
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//STATIC_IRP_CONTROL GlobalSIC;
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} FLTP_FRAME, *PFLTP_FRAME;
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// http://fsfilters.blogspot.co.uk/2010/02/filter-manager-concepts-part-6.html
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typedef struct _STREAM_LIST_CTRL // size = 0xC8 (200)
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{
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FLT_TYPE Type;
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FSRTL_PER_STREAM_CONTEXT ContextCtrl;
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LIST_ENTRY VolumeLink;
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//STREAM_LIST_CTRL_FLAGS Flags;
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int UseCount;
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ERESOURCE ContextLock;
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//CONTEXT_LIST_CTRL StreamContexts;
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//CONTEXT_LIST_CTRL StreamHandleContexts;
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ERESOURCE NameCacheLock;
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LARGE_INTEGER LastRenameCompleted;
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//NAME_CACHE_LIST_CTRL NormalizedNameCache;
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// NAME_CACHE_LIST_CTRL ShortNameCache;
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// NAME_CACHE_LIST_CTRL OpenedNameCache;
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int AllNameContextsTemporary;
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} STREAM_LIST_CTRL, *PSTREAM_LIST_CTRL;
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typedef struct _FLT_SERVER_PORT_OBJECT
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{
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LIST_ENTRY FilterLink;
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PFLT_CONNECT_NOTIFY ConnectNotify;
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PFLT_DISCONNECT_NOTIFY DisconnectNotify;
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PFLT_MESSAGE_NOTIFY MessageNotify;
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PFLT_FILTER Filter;
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PVOID Cookie;
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ULONG Flags;
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LONG NumberOfConnections;
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LONG MaxConnections;
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} FLT_SERVER_PORT_OBJECT, *PFLT_SERVER_PORT_OBJECT;
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typedef struct _FLT_PORT_OBJECT
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{
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LIST_ENTRY FilterLink;
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PFLT_SERVER_PORT_OBJECT ServerPort;
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PVOID Cookie;
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EX_RUNDOWN_REF MsgNotifRundownRef;
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FAST_MUTEX Lock;
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PVOID MsgQ; // FLT_MESSAGE_WAITER_QUEUE MsgQ;
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ULONGLONG MessageId;
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KEVENT DisconnectEvent;
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BOOLEAN Disconnected;
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} FLT_PORT_OBJECT, *PFLT_PORT_OBJECT;
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VOID
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FltpExInitializeRundownProtection(
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_Out_ PEX_RUNDOWN_REF RundownRef
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);
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BOOLEAN
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FltpExAcquireRundownProtection(
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_Inout_ PEX_RUNDOWN_REF RundownRef
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);
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BOOLEAN
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FltpExReleaseRundownProtection(
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_Inout_ PEX_RUNDOWN_REF RundownRef
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);
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NTSTATUS
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NTAPI
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FltpObjectRundownWait(
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_Inout_ PEX_RUNDOWN_REF RundownRef
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);
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BOOLEAN
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FltpExRundownCompleted(
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_Inout_ PEX_RUNDOWN_REF RundownRef
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);
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NTSTATUS
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FltpGetBaseDeviceObjectName(
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_In_ PDEVICE_OBJECT DeviceObject,
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_Inout_ PUNICODE_STRING ObjectName
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);
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NTSTATUS
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FltpGetObjectName(
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_In_ PVOID Object,
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_Inout_ PUNICODE_STRING ObjectName
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);
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ULONG
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FltpObjectPointerReference(
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_In_ PFLT_OBJECT Object
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);
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VOID
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FltpObjectPointerDereference(
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_In_ PFLT_OBJECT Object
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);
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NTSTATUS
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FltpReallocateUnicodeString(
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_In_ PUNICODE_STRING String,
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_In_ SIZE_T NewLength,
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_In_ BOOLEAN CopyExisting
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);
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VOID
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FltpFreeUnicodeString(
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_In_ PUNICODE_STRING String
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);
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NTSTATUS
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FltpDeviceControlHandler(
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_In_ PDEVICE_OBJECT DeviceObject,
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_Inout_ PIRP Irp
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);
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NTSTATUS
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FltpDispatchHandler(
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_In_ PDEVICE_OBJECT DeviceObject,
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_Inout_ PIRP Irp
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);
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#endif /* _FLTMGR_INTERNAL_H */
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