[C++知识库]C++ DeviceIoControl 获取硬盘序列号

	std::string get_disk_smart_serials(int index)
	{
		std::string ret;

		char physical[256]{ 0 };
		sprintf_s(physical, 256, "\\\\.\\PhysicalDrive%d", index);

		HANDLE disk = CreateFileA(physical, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
		if (disk != INVALID_HANDLE_VALUE)
		{
			STORAGE_PROPERTY_QUERY query{ };
			query.PropertyId = StorageDeviceProperty;
			query.QueryType = PropertyStandardQuery;

			const int b_size = 1024 * 10;
			char* buf = new char[b_size];
			if (buf)
			{
				memset(buf, 0, b_size);
				DWORD r = 0;
				BOOL status = DeviceIoControl(disk, IOCTL_STORAGE_QUERY_PROPERTY, &query, sizeof(query), buf, b_size, &r, NULL);
				if (status)
				{
					STORAGE_DEVICE_DESCRIPTOR* descrip = (STORAGE_DEVICE_DESCRIPTOR*)buf;
					if (descrip->SerialNumberOffset > 0)
					{
						std::string serial = buf + descrip->SerialNumberOffset;
						serial.erase(std::remove_if(serial.begin(), serial.end(), [](unsigned char x) {return std::isspace(x); }), serial.end());
						ret = serial;
					}
				}

				delete[] buf;
			}

			CloseHandle(disk);
		}

		return ret;
	}

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