应用层的控制程序的功能：创建，打开，关闭函数的主要操作:
(1)MiniDiskCreateMount
检测指定盘符是否存在
若不存在，创建盘符并关联盘符和设备
打开虚拟磁盘设备，发送自定义IOCTL_MINI_DISK_CREATE_FILE控制码

int MiniDiskCreateMount(char DeviceNumber,POPEN_FILE_INFORMATION pOpen,char DriverTarget)
{
	……
	//尝试打开指定卷
	hDevice = CreateFile(
		VolumeName,
		GENERIC_READ|GENERIC_WRITE,
		FILE_SHARE_READ|FILE_SHARE_WRITE,
		NULL,
		OPEN_EXISTING,
		FILE_FLAG_NO_BUFFERING,
		NULL);
	……
	//创建虚拟磁盘设备，盘符和设备捆绑
	if(!DefineDosDevice(DDD_RAW_TARGET_PATH,&VolumeName[4],DeviceName))
	{
		……
	}
	//打开虚拟磁盘设备
	hDevice = CreateFile(
		VolumeName,
		GENERIC_READ|GENERIC_WRITE,
		FILE_SHARE_READ|FILE_SHARE_WRITE,
		NULL,
		OPEN_EXISTING,
		FILE_FLAG_NO_BUFFERING,
		NULL);
	if(hDevice == INVALID_HANDLE_VALUE)
	{
		……	
	}
	//发送IOCTL_MINI_DISK_CREATE_FILE控制码
	if(!DeviceIoControl(
		hDevice,
		IOCTL_MINI_DISK_CREATE_FILE,
		pOpen,
		sizeof(OPEN_FILE_INFORMATION)+pOpen->FileNameLength - 1,
		TempBuf,
		sizeof(TempBuf)/sizeof(char),
		&BytesReturned,
		NULL))
	{
		……
	}
	……
}

int MiniDiskOpenMount(char DeviceNumber,POPEN_FILE_INFORMATION pOpen,char DriverTarget)
{
	……
	//尝试打开指定卷
	hDevice = CreateFile(
		VolumeName,
		GENERIC_READ|GENERIC_WRITE,
		FILE_SHARE_READ|FILE_SHARE_WRITE,
		NULL,
		OPEN_EXISTING,
		FILE_FLAG_NO_BUFFERING,
		NULL);
	//当前卷已经存在，需要更改盘符
	if(hDevice != INVALID_HANDLE_VALUE)
	{
		……
	}
	……
	//创建虚拟磁盘设备，盘符和设备捆绑
	if(!DefineDosDevice(DDD_RAW_TARGET_PATH,&VolumeName[4],DeviceName))
	{
		……
	}
	//打开虚拟磁盘设备
	hDevice = CreateFile(
		VolumeName,
		GENERIC_READ|GENERIC_WRITE,
		FILE_SHARE_READ|FILE_SHARE_WRITE,
		NULL,
		OPEN_EXISTING,
		FILE_FLAG_NO_BUFFERING,
		NULL);
	if(hDevice == INVALID_HANDLE_VALUE)
	{	
		……
	}
	//发送IOCTL_MINI_DISK_OPEN_FILE控制码
	if(!DeviceIoControl(
		hDevice,
		IOCTL_MINI_DISK_OPEN_FILE,
		pOpen,
		sizeof(OPEN_FILE_INFORMATION)+pOpen->FileNameLength - 1,
		TempBuf,
		sizeof(TempBuf)/sizeof(char),
		&BytesReturned,
		NULL))
	{
		……
	}
	……
}

int MiniDiskUnMount(char DriverTarget)
{
	……
	//检测设备是否存在
	hDevice = CreateFile(
		VolumeName,
		GENERIC_READ|GENERIC_WRITE,
		FILE_SHARE_READ|FILE_SHARE_WRITE,
		NULL,
		OPEN_EXISTING,
		FILE_FLAG_NO_BUFFERING,
		NULL);
	if(hDevice == INVALID_HANDLE_VALUE)
	{
		……
	}
	//发送控制码FSCTL_LOCK_VOLUME
	/*if(!DeviceIoControl(hDevice,FSCTL_LOCK_VOLUME,NULL,0,NULL,0,&BytesReturned,NULL))
	{
		……
	}*/
	//发送控制码IOCTL_MINI_DISK_CLOSE_FILE
	if(!DeviceIoControl(hDevice,IOCTL_MINI_DISK_CLOSE_FILE,NULL,0,Buf,sizeof(Buf)/sizeof(char),&BytesReturned,NULL))
	{
		……
	}
	//发送控制码FSCTL_DISMOUNT_VOLUME
	if(!DeviceIoControl(hDevice,FSCTL_DISMOUNT_VOLUME,NULL,0,NULL,0,&BytesReturned,NULL))
	{
		……
	}
	//发送控制码FSCTL_UNLOCK_VOLUME
	/*if(!DeviceIoControl(hDevice,FSCTL_UNLOCK_VOLUME,NULL,0,NULL,0,&BytesReturned,NULL))
	{
		……
	}*/
	//删除盘符
	if(!DefineDosDevice(DDD_REMOVE_DEFINITION,&VolumeName[4],NULL))
	{
		……
	}
	……
}

[招生]科锐逆向工程师培训(2024年11月15日实地，远程教学同时开班, 第51期)