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84 lines
1.6 KiB
C
84 lines
1.6 KiB
C
#ifndef _KBDCLASS_PCH_
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#define _KBDCLASS_PCH_
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#include <ntifs.h>
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#include <ntddkbd.h>
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#define MAX_PATH 260
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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#define CLASS_TAG 'CdbK'
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#define DPFLTR_CLASS_NAME_ID DPFLTR_KBDCLASS_ID
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typedef enum
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{
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dsStopped,
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dsStarted,
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dsPaused,
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dsRemoved,
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dsSurpriseRemoved
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} PORT_DEVICE_STATE;
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typedef struct _CLASS_DRIVER_EXTENSION
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{
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UNICODE_STRING RegistryPath;
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/* Registry settings */
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ULONG ConnectMultiplePorts;
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ULONG DataQueueSize;
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UNICODE_STRING DeviceBaseName;
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PDEVICE_OBJECT MainClassDeviceObject;
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} CLASS_DRIVER_EXTENSION, *PCLASS_DRIVER_EXTENSION;
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typedef struct _COMMON_DEVICE_EXTENSION
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{
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BOOLEAN IsClassDO;
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} COMMON_DEVICE_EXTENSION, *PCOMMON_DEVICE_EXTENSION;
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typedef struct _PORT_DEVICE_EXTENSION
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{
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COMMON_DEVICE_EXTENSION Common;
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LIST_ENTRY ListEntry;
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PDEVICE_OBJECT DeviceObject;
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PORT_DEVICE_STATE PnpState;
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PDEVICE_OBJECT LowerDevice;
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PDEVICE_OBJECT ClassDO;
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HANDLE FileHandle;
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UNICODE_STRING InterfaceName;
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} PORT_DEVICE_EXTENSION, *PPORT_DEVICE_EXTENSION;
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typedef struct _CLASS_DEVICE_EXTENSION
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{
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COMMON_DEVICE_EXTENSION Common;
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PCLASS_DRIVER_EXTENSION DriverExtension;
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LIST_ENTRY ListHead;
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KSPIN_LOCK ListSpinLock;
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KSPIN_LOCK SpinLock;
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PIRP PendingIrp;
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SIZE_T InputCount;
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PKEYBOARD_INPUT_DATA PortData;
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LPCWSTR DeviceName;
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} CLASS_DEVICE_EXTENSION, *PCLASS_DEVICE_EXTENSION;
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/* misc.c */
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NTSTATUS
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ForwardIrpAndWait(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp);
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DRIVER_DISPATCH ForwardIrpAndForget;
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NTSTATUS
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DuplicateUnicodeString(
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IN ULONG Flags,
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IN PCUNICODE_STRING SourceString,
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OUT PUNICODE_STRING DestinationString);
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#endif /* _KBDCLASS_PCH_ */
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