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文件过滤驱动进行文件系统筛选时出问题(附代码)
DBGSTATIC
VOID SfFsNotification(IN PDEVICE_OBJECT DeviceObject, IN BOOLEAN FsActive) { NTSTATUS status; PDEVICE_OBJECT deviceObject; PDEVICE_OBJECT nextAttachedDevice; PDEVICE_OBJECT fsDevice; UNICODE_STRING TempString; PAGED_CODE(); if(FsActive) { PDEVICE_EXTENSION deviceExtension; // // The file system has registered as an active file system. If it is // a disk-based file system attach to it. // ExAcquireResourceExclusiveLite(&FsLock, TRUE); KmdQueryObjectName(DeviceObject, &FSType[TypeNum]); RtlInitUnicodeString(&TempString, L"\\Fat"); if(RtlCompareUnicodeString(&FSType[TypeNum], &TempString, TRUE) == 0) { TypeNum ++; return; } TypeNum ++; status = IoCreateDevice(MyDriverObject, sizeof(DEVICE_EXTENSION), (PUNICODE_STRING) NULL, DeviceObject->DeviceType, 0, FALSE, &deviceObject); 以下部分省略 } FSType[TypeNum]里是当前设备的文件系统类型,如果是NTFS的话就return,出现的问题是开机时没什么反映,一直挂在那,如果换成别的文件系统则可以正常启动(机器的文件系统是ntfs) 不明白什么原因 请高手帮忙看看 着急呀 |
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沙发#
发布于:2007-03-23 09:35
自己顶一下
请大家帮忙看看 |
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