passThrough.c File Reference

#include <fltKernel.h>
#include <dontuse.h>
#include <suppress.h>

Go to the source code of this file.

Macros
#define	PTDBG_TRACE_ROUTINES   0x00000001
#define	PTDBG_TRACE_OPERATION_STATUS   0x00000002
#define	PT_DBG_PRINT(_dbgLevel, _string)

Functions
NTSTATUS	DriverEntry (_In_ PDRIVER_OBJECT DriverObject, _In_ PUNICODE_STRING RegistryPath)
NTSTATUS	PtInstanceSetup (_In_ PCFLT_RELATED_OBJECTS FltObjects, _In_ FLT_INSTANCE_SETUP_FLAGS Flags, _In_ DEVICE_TYPE VolumeDeviceType, _In_ FLT_FILESYSTEM_TYPE VolumeFilesystemType)
VOID	PtInstanceTeardownStart (_In_ PCFLT_RELATED_OBJECTS FltObjects, _In_ FLT_INSTANCE_TEARDOWN_FLAGS Flags)
VOID	PtInstanceTeardownComplete (_In_ PCFLT_RELATED_OBJECTS FltObjects, _In_ FLT_INSTANCE_TEARDOWN_FLAGS Flags)
NTSTATUS	PtUnload (_In_ FLT_FILTER_UNLOAD_FLAGS Flags)
NTSTATUS	PtInstanceQueryTeardown (_In_ PCFLT_RELATED_OBJECTS FltObjects, _In_ FLT_INSTANCE_QUERY_TEARDOWN_FLAGS Flags)
FLT_PREOP_CALLBACK_STATUS	PtPreOperationPassThrough (_Inout_ PFLT_CALLBACK_DATA Data, _In_ PCFLT_RELATED_OBJECTS FltObjects, _Flt_CompletionContext_Outptr_ PVOID *CompletionContext)
VOID	PtOperationStatusCallback (_In_ PCFLT_RELATED_OBJECTS FltObjects, _In_ PFLT_IO_PARAMETER_BLOCK ParameterSnapshot, _In_ NTSTATUS OperationStatus, _In_ PVOID RequesterContext)
FLT_POSTOP_CALLBACK_STATUS	PtPostOperationPassThrough (_Inout_ PFLT_CALLBACK_DATA Data, _In_ PCFLT_RELATED_OBJECTS FltObjects, _In_opt_ PVOID CompletionContext, _In_ FLT_POST_OPERATION_FLAGS Flags)
FLT_PREOP_CALLBACK_STATUS	PtPreOperationNoPostOperationPassThrough (_Inout_ PFLT_CALLBACK_DATA Data, _In_ PCFLT_RELATED_OBJECTS FltObjects, _Flt_CompletionContext_Outptr_ PVOID *CompletionContext)
BOOLEAN	PtDoRequestOperationStatus (_In_ PFLT_CALLBACK_DATA Data)

Variables
PFLT_FILTER	gFilterHandle
ULONG_PTR	OperationStatusCtx = 1
ULONG	gTraceFlags = 0
DRIVER_INITIALIZE	DriverEntry
CONST FLT_OPERATION_REGISTRATION	Callbacks []
CONST FLT_REGISTRATION	FilterRegistration

Macro Definition Documentation

PT_DBG_PRINT

#define PT_DBG_PRINT	(		_dbgLevel,
			_string
	)

Value:

(FlagOn(gTraceFlags,(_dbgLevel)) ?              \
        DbgPrint _string :                          \
        ((int)0))

Definition at line 37 of file passThrough.c.

PTDBG_TRACE_OPERATION_STATUS

#define PTDBG_TRACE_OPERATION_STATUS   0x00000002

Definition at line 32 of file passThrough.c.

PTDBG_TRACE_ROUTINES

#define PTDBG_TRACE_ROUTINES   0x00000001

Definition at line 31 of file passThrough.c.

Function Documentation

DriverEntry()

NTSTATUS DriverEntry	(	_In_ PDRIVER_OBJECT	DriverObject,
		_In_ PUNICODE_STRING	RegistryPath
	)

Definition at line 523 of file passThrough.c.

PtDoRequestOperationStatus()

BOOLEAN PtDoRequestOperationStatus

(

_In_ PFLT_CALLBACK_DATA

Data

)

Definition at line 839 of file passThrough.c.

PtInstanceQueryTeardown()

NTSTATUS PtInstanceQueryTeardown	(	_In_ PCFLT_RELATED_OBJECTS	FltObjects,
		_In_ FLT_INSTANCE_QUERY_TEARDOWN_FLAGS	Flags
	)

Definition at line 409 of file passThrough.c.

PtInstanceSetup()

NTSTATUS PtInstanceSetup	(	_In_ PCFLT_RELATED_OBJECTS	FltObjects,
		_In_ FLT_INSTANCE_SETUP_FLAGS	Flags,
		_In_ DEVICE_TYPE	VolumeDeviceType,
		_In_ FLT_FILESYSTEM_TYPE	VolumeFilesystemType
	)

Definition at line 364 of file passThrough.c.

PtInstanceTeardownComplete()

VOID PtInstanceTeardownComplete	(	_In_ PCFLT_RELATED_OBJECTS	FltObjects,
		_In_ FLT_INSTANCE_TEARDOWN_FLAGS	Flags
	)

Definition at line 485 of file passThrough.c.

PtInstanceTeardownStart()

VOID PtInstanceTeardownStart	(	_In_ PCFLT_RELATED_OBJECTS	FltObjects,
		_In_ FLT_INSTANCE_TEARDOWN_FLAGS	Flags
	)

Definition at line 451 of file passThrough.c.

PtOperationStatusCallback()

VOID PtOperationStatusCallback	(	_In_ PCFLT_RELATED_OBJECTS	FltObjects,
		_In_ PFLT_IO_PARAMETER_BLOCK	ParameterSnapshot,
		_In_ NTSTATUS	OperationStatus,
		_In_ PVOID	RequesterContext
	)

Definition at line 692 of file passThrough.c.

PtPostOperationPassThrough()

FLT_POSTOP_CALLBACK_STATUS PtPostOperationPassThrough	(	_Inout_ PFLT_CALLBACK_DATA	Data,
		_In_ PCFLT_RELATED_OBJECTS	FltObjects,
		_In_opt_ PVOID	CompletionContext,
		_In_ FLT_POST_OPERATION_FLAGS	Flags
	)

Definition at line 747 of file passThrough.c.

PtPreOperationNoPostOperationPassThrough()

FLT_PREOP_CALLBACK_STATUS PtPreOperationNoPostOperationPassThrough	(	_Inout_ PFLT_CALLBACK_DATA	Data,
		_In_ PCFLT_RELATED_OBJECTS	FltObjects,
		_Flt_CompletionContext_Outptr_ PVOID *	CompletionContext
	)

Definition at line 793 of file passThrough.c.

PtPreOperationPassThrough()

FLT_PREOP_CALLBACK_STATUS PtPreOperationPassThrough	(	_Inout_ PFLT_CALLBACK_DATA	Data,
		_In_ PCFLT_RELATED_OBJECTS	FltObjects,
		_Flt_CompletionContext_Outptr_ PVOID *	CompletionContext
	)

Definition at line 622 of file passThrough.c.

PtUnload()

NTSTATUS PtUnload

(

_In_ FLT_FILTER_UNLOAD_FLAGS

Flags

)

Definition at line 583 of file passThrough.c.

Variable Documentation

Callbacks

CONST FLT_OPERATION_REGISTRATION Callbacks[]

Definition at line 136 of file passThrough.c.

DriverEntry

DRIVER_INITIALIZE DriverEntry

Definition at line 46 of file passThrough.c.

FilterRegistration

CONST FLT_REGISTRATION FilterRegistration

Initial value:

= {

    sizeof( FLT_REGISTRATION ),         
    FLT_REGISTRATION_VERSION,           
    0,                                  

    NULL,                               
    Callbacks,                          

    PtUnload,                           

    PtInstanceSetup,                    
    PtInstanceQueryTeardown,            
    PtInstanceTeardownStart,            
    PtInstanceTeardownComplete,         

    NULL,                               
    NULL,                               
    NULL                                

}

Definition at line 339 of file passThrough.c.

gFilterHandle

PFLT_FILTER gFilterHandle

Definition at line 28 of file passThrough.c.

gTraceFlags

ULONG gTraceFlags = 0

Definition at line 34 of file passThrough.c.

OperationStatusCtx

ULONG_PTR OperationStatusCtx = 1

Definition at line 29 of file passThrough.c.