GetLoadSysFile/Driver.c at master · tongzeyu/GetLoadSysFile · GitHub

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#include "Driver.h"


#pragma INITCODE
NTSTATUS DriverEntry (
			IN PDRIVER_OBJECT pDriverObject,
			IN PUNICODE_STRING pRegistryPath	)
{
	NTSTATUS status = STATUS_SUCCESS;

	pDriverObject->DriverUnload = HelloDDKUnload;

	SetSysenterHook();

	KdPrint(("驱动开启成功!\n"));

	return status;
}

/************************************************************************
* 函数名称:CreateDevice
* 功能描述:初始化设备对象
* 参数列表:
      pDriverObject:从I/O管理器中传进来的驱动对象
* 返回 值:返回初始化状态
*************************************************************************/
#pragma INITCODE
NTSTATUS CreateDevice (
		IN PDRIVER_OBJECT	pDriverObject)
{
	NTSTATUS status;
	PDEVICE_OBJECT pDevObj;
	PDEVICE_EXTENSION pDevExt;
	UNICODE_STRING devName;
	UNICODE_STRING symLinkName;

	//创建设备名称
	RtlInitUnicodeString(&devName,L"\\Device\\MyDDKDevice");

	//创建设备
	status = IoCreateDevice( pDriverObject,
						sizeof(DEVICE_EXTENSION),
						&devName,
						FILE_DEVICE_UNKNOWN,
						0, TRUE,
						&pDevObj );
	if (!NT_SUCCESS(status))
		return status;

	pDevObj->Flags |= DO_BUFFERED_IO;
	pDevExt = (PDEVICE_EXTENSION)pDevObj->DeviceExtension;
	pDevExt->pDevice = pDevObj;
	pDevExt->ustrDeviceName = devName;

	//创建符号链接
	RtlInitUnicodeString(&symLinkName,L"\\??\\HelloDDK");
	pDevExt->ustrSymLinkName = symLinkName;
	status = IoCreateSymbolicLink( &symLinkName,&devName );
	if (!NT_SUCCESS(status))
	{
		IoDeleteDevice( pDevObj );
		return status;
	}
	return STATUS_SUCCESS;
}

/************************************************************************
* 函数名称:HelloDDKUnload
* 功能描述:负责驱动程序的卸载操作
* 参数列表:
      pDriverObject:驱动对象
* 返回 值:返回状态
*************************************************************************/
#pragma PAGEDCODE
VOID HelloDDKUnload (IN PDRIVER_OBJECT pDriverObject)
{
	UnSysenterHook();
	KdPrint(("驱动卸载成功!\n"));
}

/************************************************************************
* 函数名称:HelloDDKDispatchRoutine
* 功能描述:对读IRP进行处理
* 参数列表:
      pDevObj:功能设备对象
      pIrp:从IO请求包
* 返回 值:返回状态
*************************************************************************/
#pragma PAGEDCODE
NTSTATUS HelloDDKDispatchRoutine(IN PDEVICE_OBJECT pDevObj,
								 IN PIRP pIrp)
{
	NTSTATUS status = STATUS_SUCCESS;

	KdPrint(("Enter HelloDDKDispatchRoutine\n"));

	// 完成IRP
	pIrp->IoStatus.Status = status;
	pIrp->IoStatus.Information = 0;	// bytes xfered
	IoCompleteRequest( pIrp, IO_NO_INCREMENT );
	KdPrint(("Leave HelloDDKDispatchRoutine\n"));

	//IoGetCurrentIrpStackLocation

	return status;
}