mirror of
https://github.com/reactos/reactos.git
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[FORMATTING]
Fix indentation and coding style. No code changes! svn path=/trunk/; revision=61143
This commit is contained in:
Eric Kohl
parent
2f7e31bc07
commit
932bee1e8a
1 changed files with 382 additions and 361 deletions
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@ -14,424 +14,445 @@
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/* FUNCTIONS ****************************************************************/
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static NTSTATUS
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FsdGetFsVolumeInformation(PDEVICE_OBJECT DeviceObject,
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PFILE_FS_VOLUME_INFORMATION FsVolumeInfo,
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PULONG BufferLength)
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static
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NTSTATUS
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FsdGetFsVolumeInformation(
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PDEVICE_OBJECT DeviceObject,
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PFILE_FS_VOLUME_INFORMATION FsVolumeInfo,
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PULONG BufferLength)
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{
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DPRINT("FsdGetFsVolumeInformation()\n");
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DPRINT("FsVolumeInfo = %p\n", FsVolumeInfo);
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DPRINT("BufferLength %lu\n", *BufferLength);
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PDEVICE_EXTENSION DeviceExt;
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DPRINT("Required length %lu\n", (sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength));
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DPRINT("LabelLength %hu\n", DeviceObject->Vpb->VolumeLabelLength);
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DPRINT("Label %*.S\n", DeviceObject->Vpb->VolumeLabelLength / sizeof(WCHAR), DeviceObject->Vpb->VolumeLabel);
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DPRINT("FsdGetFsVolumeInformation()\n");
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DPRINT("FsVolumeInfo = %p\n", FsVolumeInfo);
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DPRINT("BufferLength %lu\n", *BufferLength);
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if (*BufferLength < sizeof(FILE_FS_VOLUME_INFORMATION))
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return STATUS_INFO_LENGTH_MISMATCH;
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DPRINT("Required length %lu\n", (sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength));
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DPRINT("LabelLength %hu\n", DeviceObject->Vpb->VolumeLabelLength);
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DPRINT("Label %*.S\n", DeviceObject->Vpb->VolumeLabelLength / sizeof(WCHAR), DeviceObject->Vpb->VolumeLabel);
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if (*BufferLength < (sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength))
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return STATUS_BUFFER_OVERFLOW;
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if (*BufferLength < sizeof(FILE_FS_VOLUME_INFORMATION))
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return STATUS_INFO_LENGTH_MISMATCH;
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/* valid entries */
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FsVolumeInfo->VolumeSerialNumber = DeviceObject->Vpb->SerialNumber;
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FsVolumeInfo->VolumeLabelLength = DeviceObject->Vpb->VolumeLabelLength;
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RtlCopyMemory(FsVolumeInfo->VolumeLabel, DeviceObject->Vpb->VolumeLabel, FsVolumeInfo->VolumeLabelLength);
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if (*BufferLength < (sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength))
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return STATUS_BUFFER_OVERFLOW;
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/* dummy entries */
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FsVolumeInfo->VolumeCreationTime.QuadPart = 0;
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FsVolumeInfo->SupportsObjects = FALSE;
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DeviceExt = DeviceObject->DeviceExtension;
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DPRINT("Finished FsdGetFsVolumeInformation()\n");
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/* valid entries */
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FsVolumeInfo->VolumeSerialNumber = DeviceObject->Vpb->SerialNumber;
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FsVolumeInfo->VolumeLabelLength = DeviceObject->Vpb->VolumeLabelLength;
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RtlCopyMemory(FsVolumeInfo->VolumeLabel, DeviceObject->Vpb->VolumeLabel, FsVolumeInfo->VolumeLabelLength);
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*BufferLength -= (sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength);
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/* dummy entries */
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FsVolumeInfo->VolumeCreationTime.QuadPart = 0;
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FsVolumeInfo->SupportsObjects = FALSE;
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DPRINT("BufferLength %lu\n", *BufferLength);
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DPRINT("Finished FsdGetFsVolumeInformation()\n");
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return(STATUS_SUCCESS);
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*BufferLength -= (sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength);
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DPRINT("BufferLength %lu\n", *BufferLength);
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return STATUS_SUCCESS;
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}
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static NTSTATUS
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FsdGetFsAttributeInformation(PDEVICE_EXTENSION DeviceExt,
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PFILE_FS_ATTRIBUTE_INFORMATION FsAttributeInfo,
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PULONG BufferLength)
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static
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NTSTATUS
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FsdGetFsAttributeInformation(
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PDEVICE_EXTENSION DeviceExt,
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PFILE_FS_ATTRIBUTE_INFORMATION FsAttributeInfo,
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PULONG BufferLength)
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{
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PCWSTR pName; ULONG Length;
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DPRINT("FsdGetFsAttributeInformation()\n");
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DPRINT("FsAttributeInfo = %p\n", FsAttributeInfo);
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DPRINT("BufferLength %lu\n", *BufferLength);
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PCWSTR pName; ULONG Length;
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DPRINT("FsdGetFsAttributeInformation()\n");
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DPRINT("FsAttributeInfo = %p\n", FsAttributeInfo);
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DPRINT("BufferLength %lu\n", *BufferLength);
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if (*BufferLength < sizeof (FILE_FS_ATTRIBUTE_INFORMATION))
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return STATUS_INFO_LENGTH_MISMATCH;
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if (*BufferLength < sizeof (FILE_FS_ATTRIBUTE_INFORMATION))
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return STATUS_INFO_LENGTH_MISMATCH;
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if (DeviceExt->FatInfo.FatType == FAT32)
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{
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Length = 10;
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pName = L"FAT32";
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}
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else
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{
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Length = 6;
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pName = L"FAT";
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}
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DPRINT("Required length %lu\n", (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + Length));
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if (*BufferLength < (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + Length))
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return STATUS_BUFFER_OVERFLOW;
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FsAttributeInfo->FileSystemAttributes =
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FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK;
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FsAttributeInfo->MaximumComponentNameLength = 255;
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FsAttributeInfo->FileSystemNameLength = Length;
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RtlCopyMemory(FsAttributeInfo->FileSystemName, pName, Length );
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DPRINT("Finished FsdGetFsAttributeInformation()\n");
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*BufferLength -= (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + Length);
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DPRINT("BufferLength %lu\n", *BufferLength);
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return(STATUS_SUCCESS);
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}
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static NTSTATUS
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FsdGetFsSizeInformation(PDEVICE_OBJECT DeviceObject,
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PFILE_FS_SIZE_INFORMATION FsSizeInfo,
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PULONG BufferLength)
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{
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PDEVICE_EXTENSION DeviceExt;
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NTSTATUS Status;
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DPRINT("FsdGetFsSizeInformation()\n");
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DPRINT("FsSizeInfo = %p\n", FsSizeInfo);
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if (*BufferLength < sizeof(FILE_FS_SIZE_INFORMATION))
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return(STATUS_BUFFER_OVERFLOW);
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DeviceExt = DeviceObject->DeviceExtension;
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Status = CountAvailableClusters(DeviceExt, &FsSizeInfo->AvailableAllocationUnits);
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FsSizeInfo->TotalAllocationUnits.QuadPart = DeviceExt->FatInfo.NumberOfClusters;
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FsSizeInfo->SectorsPerAllocationUnit = DeviceExt->FatInfo.SectorsPerCluster;
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FsSizeInfo->BytesPerSector = DeviceExt->FatInfo.BytesPerSector;
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DPRINT("Finished FsdGetFsSizeInformation()\n");
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if (NT_SUCCESS(Status))
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*BufferLength -= sizeof(FILE_FS_SIZE_INFORMATION);
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return(Status);
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}
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static NTSTATUS
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FsdGetFsDeviceInformation
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(
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PDEVICE_OBJECT DeviceObject,
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PFILE_FS_DEVICE_INFORMATION FsDeviceInfo,
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PULONG BufferLength
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)
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{
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DPRINT("FsdGetFsDeviceInformation()\n");
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DPRINT("FsDeviceInfo = %p\n", FsDeviceInfo);
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DPRINT("BufferLength %lu\n", *BufferLength);
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DPRINT("Required length %lu\n", sizeof(FILE_FS_DEVICE_INFORMATION));
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if (*BufferLength < sizeof(FILE_FS_DEVICE_INFORMATION))
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return(STATUS_BUFFER_OVERFLOW);
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FsDeviceInfo->DeviceType = FILE_DEVICE_DISK;
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FsDeviceInfo->Characteristics = DeviceObject->Characteristics;
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DPRINT("FsdGetFsDeviceInformation() finished.\n");
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*BufferLength -= sizeof(FILE_FS_DEVICE_INFORMATION);
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DPRINT("BufferLength %lu\n", *BufferLength);
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return(STATUS_SUCCESS);
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}
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static NTSTATUS
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FsdSetFsLabelInformation(PDEVICE_OBJECT DeviceObject,
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PFILE_FS_LABEL_INFORMATION FsLabelInfo)
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{
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PDEVICE_EXTENSION DeviceExt;
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PVOID Context = NULL;
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ULONG DirIndex = 0;
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PDIR_ENTRY Entry;
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PVFATFCB pRootFcb;
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LARGE_INTEGER FileOffset;
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BOOLEAN LabelFound = FALSE;
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DIR_ENTRY VolumeLabelDirEntry;
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ULONG VolumeLabelDirIndex;
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ULONG LabelLen;
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NTSTATUS Status = STATUS_UNSUCCESSFUL;
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OEM_STRING StringO;
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UNICODE_STRING StringW;
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CHAR cString[43];
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ULONG SizeDirEntry;
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ULONG EntriesPerPage;
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DPRINT("FsdSetFsLabelInformation()\n");
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DeviceExt = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
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if (sizeof(DeviceObject->Vpb->VolumeLabel) < FsLabelInfo->VolumeLabelLength)
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{
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return STATUS_NAME_TOO_LONG;
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}
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if (DeviceExt->Flags & VCB_IS_FATX)
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{
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if (FsLabelInfo->VolumeLabelLength / sizeof(WCHAR) > 42)
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return STATUS_NAME_TOO_LONG;
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SizeDirEntry = sizeof(FATX_DIR_ENTRY);
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EntriesPerPage = FATX_ENTRIES_PER_PAGE;
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}
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else
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{
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if (FsLabelInfo->VolumeLabelLength / sizeof(WCHAR) > 11)
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return STATUS_NAME_TOO_LONG;
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SizeDirEntry = sizeof(FAT_DIR_ENTRY);
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EntriesPerPage = FAT_ENTRIES_PER_PAGE;
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}
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/* Create Volume label dir entry */
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LabelLen = FsLabelInfo->VolumeLabelLength / sizeof(WCHAR);
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RtlZeroMemory(&VolumeLabelDirEntry, SizeDirEntry);
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StringW.Buffer = FsLabelInfo->VolumeLabel;
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StringW.Length = StringW.MaximumLength = (USHORT)FsLabelInfo->VolumeLabelLength;
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StringO.Buffer = cString;
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StringO.Length = 0;
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StringO.MaximumLength = 42;
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Status = RtlUnicodeStringToOemString(&StringO, &StringW, FALSE);
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if (!NT_SUCCESS(Status))
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return Status;
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if (DeviceExt->Flags & VCB_IS_FATX)
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{
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RtlCopyMemory(VolumeLabelDirEntry.FatX.Filename, cString, LabelLen);
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memset(&VolumeLabelDirEntry.FatX.Filename[LabelLen], ' ', 42 - LabelLen);
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VolumeLabelDirEntry.FatX.Attrib = _A_VOLID;
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}
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else
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{
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RtlCopyMemory(VolumeLabelDirEntry.Fat.Filename, cString, max(sizeof(VolumeLabelDirEntry.Fat.Filename), LabelLen));
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if (LabelLen > sizeof(VolumeLabelDirEntry.Fat.Filename))
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if (DeviceExt->FatInfo.FatType == FAT32)
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{
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memset(VolumeLabelDirEntry.Fat.Ext, ' ', sizeof(VolumeLabelDirEntry.Fat.Ext));
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RtlCopyMemory(VolumeLabelDirEntry.Fat.Ext, cString + sizeof(VolumeLabelDirEntry.Fat.Filename), LabelLen - sizeof(VolumeLabelDirEntry.Fat.Filename));
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Length = 10;
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pName = L"FAT32";
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}
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else
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{
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memset(&VolumeLabelDirEntry.Fat.Filename[LabelLen], ' ', sizeof(VolumeLabelDirEntry.Fat.Filename) - LabelLen);
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Length = 6;
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pName = L"FAT";
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}
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VolumeLabelDirEntry.Fat.Attrib = _A_VOLID;
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}
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pRootFcb = vfatOpenRootFCB(DeviceExt);
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DPRINT("Required length %lu\n", (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + Length));
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/* Search existing volume entry on disk */
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FileOffset.QuadPart = 0;
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if (CcPinRead(pRootFcb->FileObject, &FileOffset, SizeDirEntry, TRUE, &Context, (PVOID*)&Entry))
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{
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while (TRUE)
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if (*BufferLength < (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + Length))
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return STATUS_BUFFER_OVERFLOW;
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FsAttributeInfo->FileSystemAttributes =
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FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK;
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FsAttributeInfo->MaximumComponentNameLength = 255;
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FsAttributeInfo->FileSystemNameLength = Length;
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RtlCopyMemory(FsAttributeInfo->FileSystemName, pName, Length);
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DPRINT("Finished FsdGetFsAttributeInformation()\n");
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*BufferLength -= (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + Length);
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DPRINT("BufferLength %lu\n", *BufferLength);
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return STATUS_SUCCESS;
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}
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static
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NTSTATUS
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FsdGetFsSizeInformation(
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PDEVICE_OBJECT DeviceObject,
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PFILE_FS_SIZE_INFORMATION FsSizeInfo,
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PULONG BufferLength)
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{
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PDEVICE_EXTENSION DeviceExt;
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NTSTATUS Status;
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DPRINT("FsdGetFsSizeInformation()\n");
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DPRINT("FsSizeInfo = %p\n", FsSizeInfo);
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if (*BufferLength < sizeof(FILE_FS_SIZE_INFORMATION))
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return STATUS_BUFFER_OVERFLOW;
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DeviceExt = DeviceObject->DeviceExtension;
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Status = CountAvailableClusters(DeviceExt, &FsSizeInfo->AvailableAllocationUnits);
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FsSizeInfo->TotalAllocationUnits.QuadPart = DeviceExt->FatInfo.NumberOfClusters;
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FsSizeInfo->SectorsPerAllocationUnit = DeviceExt->FatInfo.SectorsPerCluster;
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FsSizeInfo->BytesPerSector = DeviceExt->FatInfo.BytesPerSector;
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DPRINT("Finished FsdGetFsSizeInformation()\n");
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if (NT_SUCCESS(Status))
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*BufferLength -= sizeof(FILE_FS_SIZE_INFORMATION);
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return Status;
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}
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static
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NTSTATUS
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FsdGetFsDeviceInformation(
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PDEVICE_OBJECT DeviceObject,
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PFILE_FS_DEVICE_INFORMATION FsDeviceInfo,
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PULONG BufferLength)
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{
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DPRINT("FsdGetFsDeviceInformation()\n");
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DPRINT("FsDeviceInfo = %p\n", FsDeviceInfo);
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DPRINT("BufferLength %lu\n", *BufferLength);
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DPRINT("Required length %lu\n", sizeof(FILE_FS_DEVICE_INFORMATION));
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if (*BufferLength < sizeof(FILE_FS_DEVICE_INFORMATION))
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return STATUS_BUFFER_OVERFLOW;
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FsDeviceInfo->DeviceType = FILE_DEVICE_DISK;
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FsDeviceInfo->Characteristics = DeviceObject->Characteristics;
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DPRINT("FsdGetFsDeviceInformation() finished.\n");
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*BufferLength -= sizeof(FILE_FS_DEVICE_INFORMATION);
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DPRINT("BufferLength %lu\n", *BufferLength);
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return STATUS_SUCCESS;
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}
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static
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NTSTATUS
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FsdSetFsLabelInformation(
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PDEVICE_OBJECT DeviceObject,
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PFILE_FS_LABEL_INFORMATION FsLabelInfo)
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{
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PDEVICE_EXTENSION DeviceExt;
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PVOID Context = NULL;
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ULONG DirIndex = 0;
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PDIR_ENTRY Entry;
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PVFATFCB pRootFcb;
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LARGE_INTEGER FileOffset;
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BOOLEAN LabelFound = FALSE;
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DIR_ENTRY VolumeLabelDirEntry;
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ULONG VolumeLabelDirIndex;
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ULONG LabelLen;
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NTSTATUS Status = STATUS_UNSUCCESSFUL;
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OEM_STRING StringO;
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UNICODE_STRING StringW;
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CHAR cString[43];
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ULONG SizeDirEntry;
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ULONG EntriesPerPage;
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DPRINT("FsdSetFsLabelInformation()\n");
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DeviceExt = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
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if (sizeof(DeviceObject->Vpb->VolumeLabel) < FsLabelInfo->VolumeLabelLength)
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{
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if (ENTRY_VOLUME(DeviceExt, Entry))
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{
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/* Update entry */
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LabelFound = TRUE;
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RtlCopyMemory(Entry, &VolumeLabelDirEntry, SizeDirEntry);
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CcSetDirtyPinnedData(Context, NULL);
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Status = STATUS_SUCCESS;
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break;
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}
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if (ENTRY_END(DeviceExt, Entry))
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{
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break;
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}
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DirIndex++;
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Entry = (PDIR_ENTRY)((ULONG_PTR)Entry + SizeDirEntry);
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if ((DirIndex % EntriesPerPage) == 0)
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{
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CcUnpinData(Context);
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FileOffset.u.LowPart += PAGE_SIZE;
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if (!CcPinRead(pRootFcb->FileObject, &FileOffset, SizeDirEntry, TRUE, &Context, (PVOID*)&Entry))
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return STATUS_NAME_TOO_LONG;
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}
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if (DeviceExt->Flags & VCB_IS_FATX)
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{
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if (FsLabelInfo->VolumeLabelLength / sizeof(WCHAR) > 42)
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return STATUS_NAME_TOO_LONG;
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SizeDirEntry = sizeof(FATX_DIR_ENTRY);
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EntriesPerPage = FATX_ENTRIES_PER_PAGE;
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}
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else
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{
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if (FsLabelInfo->VolumeLabelLength / sizeof(WCHAR) > 11)
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return STATUS_NAME_TOO_LONG;
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SizeDirEntry = sizeof(FAT_DIR_ENTRY);
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EntriesPerPage = FAT_ENTRIES_PER_PAGE;
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}
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/* Create Volume label dir entry */
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LabelLen = FsLabelInfo->VolumeLabelLength / sizeof(WCHAR);
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RtlZeroMemory(&VolumeLabelDirEntry, SizeDirEntry);
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StringW.Buffer = FsLabelInfo->VolumeLabel;
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StringW.Length = StringW.MaximumLength = (USHORT)FsLabelInfo->VolumeLabelLength;
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StringO.Buffer = cString;
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StringO.Length = 0;
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StringO.MaximumLength = 42;
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Status = RtlUnicodeStringToOemString(&StringO, &StringW, FALSE);
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if (!NT_SUCCESS(Status))
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return Status;
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if (DeviceExt->Flags & VCB_IS_FATX)
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{
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RtlCopyMemory(VolumeLabelDirEntry.FatX.Filename, cString, LabelLen);
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memset(&VolumeLabelDirEntry.FatX.Filename[LabelLen], ' ', 42 - LabelLen);
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VolumeLabelDirEntry.FatX.Attrib = _A_VOLID;
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}
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else
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{
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RtlCopyMemory(VolumeLabelDirEntry.Fat.Filename, cString, max(sizeof(VolumeLabelDirEntry.Fat.Filename), LabelLen));
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if (LabelLen > sizeof(VolumeLabelDirEntry.Fat.Filename))
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{
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Context = NULL;
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break;
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memset(VolumeLabelDirEntry.Fat.Ext, ' ', sizeof(VolumeLabelDirEntry.Fat.Ext));
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RtlCopyMemory(VolumeLabelDirEntry.Fat.Ext, cString + sizeof(VolumeLabelDirEntry.Fat.Filename), LabelLen - sizeof(VolumeLabelDirEntry.Fat.Filename));
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}
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}
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||||
else
|
||||
{
|
||||
memset(&VolumeLabelDirEntry.Fat.Filename[LabelLen], ' ', sizeof(VolumeLabelDirEntry.Fat.Filename) - LabelLen);
|
||||
}
|
||||
VolumeLabelDirEntry.Fat.Attrib = _A_VOLID;
|
||||
}
|
||||
if (Context)
|
||||
{
|
||||
CcUnpinData(Context);
|
||||
}
|
||||
}
|
||||
if (!LabelFound)
|
||||
{
|
||||
/* Add new entry for label */
|
||||
if (!vfatFindDirSpace(DeviceExt, pRootFcb, 1, &VolumeLabelDirIndex))
|
||||
Status = STATUS_DISK_FULL;
|
||||
else
|
||||
{
|
||||
FileOffset.u.HighPart = 0;
|
||||
FileOffset.u.LowPart = VolumeLabelDirIndex * SizeDirEntry;
|
||||
if (!CcPinRead(pRootFcb->FileObject, &FileOffset, SizeDirEntry,
|
||||
TRUE, &Context, (PVOID*)&Entry))
|
||||
{
|
||||
Status = STATUS_UNSUCCESSFUL;
|
||||
}
|
||||
else
|
||||
{
|
||||
RtlCopyMemory(Entry, &VolumeLabelDirEntry, SizeDirEntry);
|
||||
CcSetDirtyPinnedData(Context, NULL);
|
||||
CcUnpinData(Context);
|
||||
Status = STATUS_SUCCESS;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
vfatReleaseFCB(DeviceExt, pRootFcb);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
pRootFcb = vfatOpenRootFCB(DeviceExt);
|
||||
|
||||
/* Search existing volume entry on disk */
|
||||
FileOffset.QuadPart = 0;
|
||||
if (CcPinRead(pRootFcb->FileObject, &FileOffset, SizeDirEntry, TRUE, &Context, (PVOID*)&Entry))
|
||||
{
|
||||
while (TRUE)
|
||||
{
|
||||
if (ENTRY_VOLUME(DeviceExt, Entry))
|
||||
{
|
||||
/* Update entry */
|
||||
LabelFound = TRUE;
|
||||
RtlCopyMemory(Entry, &VolumeLabelDirEntry, SizeDirEntry);
|
||||
CcSetDirtyPinnedData(Context, NULL);
|
||||
Status = STATUS_SUCCESS;
|
||||
break;
|
||||
}
|
||||
|
||||
if (ENTRY_END(DeviceExt, Entry))
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
DirIndex++;
|
||||
Entry = (PDIR_ENTRY)((ULONG_PTR)Entry + SizeDirEntry);
|
||||
if ((DirIndex % EntriesPerPage) == 0)
|
||||
{
|
||||
CcUnpinData(Context);
|
||||
FileOffset.u.LowPart += PAGE_SIZE;
|
||||
if (!CcPinRead(pRootFcb->FileObject, &FileOffset, SizeDirEntry, TRUE, &Context, (PVOID*)&Entry))
|
||||
{
|
||||
Context = NULL;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (Context)
|
||||
{
|
||||
CcUnpinData(Context);
|
||||
}
|
||||
}
|
||||
|
||||
if (!LabelFound)
|
||||
{
|
||||
/* Add new entry for label */
|
||||
if (!vfatFindDirSpace(DeviceExt, pRootFcb, 1, &VolumeLabelDirIndex))
|
||||
Status = STATUS_DISK_FULL;
|
||||
else
|
||||
{
|
||||
FileOffset.u.HighPart = 0;
|
||||
FileOffset.u.LowPart = VolumeLabelDirIndex * SizeDirEntry;
|
||||
if (!CcPinRead(pRootFcb->FileObject, &FileOffset, SizeDirEntry,
|
||||
TRUE, &Context, (PVOID*)&Entry))
|
||||
{
|
||||
Status = STATUS_UNSUCCESSFUL;
|
||||
}
|
||||
else
|
||||
{
|
||||
RtlCopyMemory(Entry, &VolumeLabelDirEntry, SizeDirEntry);
|
||||
CcSetDirtyPinnedData(Context, NULL);
|
||||
CcUnpinData(Context);
|
||||
Status = STATUS_SUCCESS;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
vfatReleaseFCB(DeviceExt, pRootFcb);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
return Status;
|
||||
}
|
||||
|
||||
/* Update volume label in memory */
|
||||
DeviceObject->Vpb->VolumeLabelLength = (USHORT)FsLabelInfo->VolumeLabelLength;
|
||||
RtlCopyMemory(DeviceObject->Vpb->VolumeLabel, FsLabelInfo->VolumeLabel, DeviceObject->Vpb->VolumeLabelLength);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
/* Update volume label in memory */
|
||||
DeviceObject->Vpb->VolumeLabelLength = (USHORT)FsLabelInfo->VolumeLabelLength;
|
||||
RtlCopyMemory(DeviceObject->Vpb->VolumeLabel, FsLabelInfo->VolumeLabel, DeviceObject->Vpb->VolumeLabelLength);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
NTSTATUS VfatQueryVolumeInformation(PVFAT_IRP_CONTEXT IrpContext)
|
||||
NTSTATUS
|
||||
VfatQueryVolumeInformation(
|
||||
PVFAT_IRP_CONTEXT IrpContext)
|
||||
/*
|
||||
* FUNCTION: Retrieve the specified volume information
|
||||
*/
|
||||
{
|
||||
FS_INFORMATION_CLASS FsInformationClass;
|
||||
NTSTATUS RC = STATUS_SUCCESS;
|
||||
PVOID SystemBuffer;
|
||||
ULONG BufferLength;
|
||||
FS_INFORMATION_CLASS FsInformationClass;
|
||||
NTSTATUS RC = STATUS_SUCCESS;
|
||||
PVOID SystemBuffer;
|
||||
ULONG BufferLength;
|
||||
|
||||
/* PRECONDITION */
|
||||
ASSERT(IrpContext);
|
||||
/* PRECONDITION */
|
||||
ASSERT(IrpContext);
|
||||
|
||||
DPRINT("VfatQueryVolumeInformation(IrpContext %p)\n", IrpContext);
|
||||
DPRINT("VfatQueryVolumeInformation(IrpContext %p)\n", IrpContext);
|
||||
|
||||
if (!ExAcquireResourceSharedLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource,
|
||||
(BOOLEAN)(IrpContext->Flags & IRPCONTEXT_CANWAIT)))
|
||||
{
|
||||
return VfatQueueRequest (IrpContext);
|
||||
}
|
||||
|
||||
/* INITIALIZATION */
|
||||
FsInformationClass = IrpContext->Stack->Parameters.QueryVolume.FsInformationClass;
|
||||
BufferLength = IrpContext->Stack->Parameters.QueryVolume.Length;
|
||||
SystemBuffer = IrpContext->Irp->AssociatedIrp.SystemBuffer;
|
||||
|
||||
|
||||
DPRINT ("FsInformationClass %d\n", FsInformationClass);
|
||||
DPRINT ("SystemBuffer %p\n", SystemBuffer);
|
||||
|
||||
switch (FsInformationClass)
|
||||
if (!ExAcquireResourceSharedLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource,
|
||||
(BOOLEAN)(IrpContext->Flags & IRPCONTEXT_CANWAIT)))
|
||||
{
|
||||
case FileFsVolumeInformation:
|
||||
RC = FsdGetFsVolumeInformation(IrpContext->DeviceObject,
|
||||
SystemBuffer,
|
||||
&BufferLength);
|
||||
break;
|
||||
|
||||
case FileFsAttributeInformation:
|
||||
RC = FsdGetFsAttributeInformation(IrpContext->DeviceObject->DeviceExtension,
|
||||
SystemBuffer,
|
||||
&BufferLength);
|
||||
break;
|
||||
|
||||
case FileFsSizeInformation:
|
||||
RC = FsdGetFsSizeInformation(IrpContext->DeviceObject,
|
||||
SystemBuffer,
|
||||
&BufferLength);
|
||||
break;
|
||||
|
||||
case FileFsDeviceInformation:
|
||||
RC = FsdGetFsDeviceInformation(IrpContext->DeviceObject,
|
||||
SystemBuffer,
|
||||
&BufferLength);
|
||||
break;
|
||||
|
||||
default:
|
||||
RC = STATUS_NOT_SUPPORTED;
|
||||
return VfatQueueRequest(IrpContext);
|
||||
}
|
||||
|
||||
ExReleaseResourceLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource);
|
||||
IrpContext->Irp->IoStatus.Status = RC;
|
||||
if (NT_SUCCESS(RC))
|
||||
IrpContext->Irp->IoStatus.Information =
|
||||
IrpContext->Stack->Parameters.QueryVolume.Length - BufferLength;
|
||||
else
|
||||
IrpContext->Irp->IoStatus.Information = 0;
|
||||
IoCompleteRequest(IrpContext->Irp, IO_NO_INCREMENT);
|
||||
VfatFreeIrpContext(IrpContext);
|
||||
/* INITIALIZATION */
|
||||
FsInformationClass = IrpContext->Stack->Parameters.QueryVolume.FsInformationClass;
|
||||
BufferLength = IrpContext->Stack->Parameters.QueryVolume.Length;
|
||||
SystemBuffer = IrpContext->Irp->AssociatedIrp.SystemBuffer;
|
||||
|
||||
return RC;
|
||||
DPRINT("FsInformationClass %d\n", FsInformationClass);
|
||||
DPRINT("SystemBuffer %p\n", SystemBuffer);
|
||||
|
||||
switch (FsInformationClass)
|
||||
{
|
||||
case FileFsVolumeInformation:
|
||||
RC = FsdGetFsVolumeInformation(IrpContext->DeviceObject,
|
||||
SystemBuffer,
|
||||
&BufferLength);
|
||||
break;
|
||||
|
||||
case FileFsAttributeInformation:
|
||||
RC = FsdGetFsAttributeInformation(IrpContext->DeviceObject->DeviceExtension,
|
||||
SystemBuffer,
|
||||
&BufferLength);
|
||||
break;
|
||||
|
||||
case FileFsSizeInformation:
|
||||
RC = FsdGetFsSizeInformation(IrpContext->DeviceObject,
|
||||
SystemBuffer,
|
||||
&BufferLength);
|
||||
break;
|
||||
|
||||
case FileFsDeviceInformation:
|
||||
RC = FsdGetFsDeviceInformation(IrpContext->DeviceObject,
|
||||
SystemBuffer,
|
||||
&BufferLength);
|
||||
break;
|
||||
|
||||
default:
|
||||
RC = STATUS_NOT_SUPPORTED;
|
||||
}
|
||||
|
||||
ExReleaseResourceLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource);
|
||||
IrpContext->Irp->IoStatus.Status = RC;
|
||||
if (NT_SUCCESS(RC))
|
||||
IrpContext->Irp->IoStatus.Information =
|
||||
IrpContext->Stack->Parameters.QueryVolume.Length - BufferLength;
|
||||
else
|
||||
IrpContext->Irp->IoStatus.Information = 0;
|
||||
IoCompleteRequest(IrpContext->Irp, IO_NO_INCREMENT);
|
||||
VfatFreeIrpContext(IrpContext);
|
||||
|
||||
return RC;
|
||||
}
|
||||
|
||||
|
||||
NTSTATUS VfatSetVolumeInformation(PVFAT_IRP_CONTEXT IrpContext)
|
||||
NTSTATUS
|
||||
VfatSetVolumeInformation(
|
||||
PVFAT_IRP_CONTEXT IrpContext)
|
||||
/*
|
||||
* FUNCTION: Set the specified volume information
|
||||
*/
|
||||
{
|
||||
FS_INFORMATION_CLASS FsInformationClass;
|
||||
NTSTATUS Status = STATUS_SUCCESS;
|
||||
PVOID SystemBuffer;
|
||||
ULONG BufferLength;
|
||||
PIO_STACK_LOCATION Stack = IrpContext->Stack;
|
||||
FS_INFORMATION_CLASS FsInformationClass;
|
||||
NTSTATUS Status = STATUS_SUCCESS;
|
||||
PVOID SystemBuffer;
|
||||
ULONG BufferLength;
|
||||
PIO_STACK_LOCATION Stack = IrpContext->Stack;
|
||||
|
||||
/* PRECONDITION */
|
||||
ASSERT(IrpContext);
|
||||
/* PRECONDITION */
|
||||
ASSERT(IrpContext);
|
||||
|
||||
DPRINT ("VfatSetVolumeInformation(IrpContext %p)\n", IrpContext);
|
||||
DPRINT("VfatSetVolumeInformation(IrpContext %p)\n", IrpContext);
|
||||
|
||||
if (!ExAcquireResourceExclusiveLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource,
|
||||
(BOOLEAN)(IrpContext->Flags & IRPCONTEXT_CANWAIT)))
|
||||
{
|
||||
return VfatQueueRequest (IrpContext);
|
||||
}
|
||||
|
||||
FsInformationClass = Stack->Parameters.SetVolume.FsInformationClass;
|
||||
BufferLength = Stack->Parameters.SetVolume.Length;
|
||||
SystemBuffer = IrpContext->Irp->AssociatedIrp.SystemBuffer;
|
||||
|
||||
DPRINT ("FsInformationClass %d\n", FsInformationClass);
|
||||
DPRINT ("BufferLength %u\n", BufferLength);
|
||||
DPRINT ("SystemBuffer %p\n", SystemBuffer);
|
||||
|
||||
switch(FsInformationClass)
|
||||
if (!ExAcquireResourceExclusiveLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource,
|
||||
(BOOLEAN)(IrpContext->Flags & IRPCONTEXT_CANWAIT)))
|
||||
{
|
||||
case FileFsLabelInformation:
|
||||
Status = FsdSetFsLabelInformation(IrpContext->DeviceObject,
|
||||
SystemBuffer);
|
||||
break;
|
||||
|
||||
default:
|
||||
Status = STATUS_NOT_SUPPORTED;
|
||||
return VfatQueueRequest(IrpContext);
|
||||
}
|
||||
|
||||
ExReleaseResourceLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource);
|
||||
IrpContext->Irp->IoStatus.Status = Status;
|
||||
IrpContext->Irp->IoStatus.Information = 0;
|
||||
IoCompleteRequest(IrpContext->Irp, IO_NO_INCREMENT);
|
||||
VfatFreeIrpContext(IrpContext);
|
||||
FsInformationClass = Stack->Parameters.SetVolume.FsInformationClass;
|
||||
BufferLength = Stack->Parameters.SetVolume.Length;
|
||||
SystemBuffer = IrpContext->Irp->AssociatedIrp.SystemBuffer;
|
||||
|
||||
return(Status);
|
||||
DPRINT("FsInformationClass %d\n", FsInformationClass);
|
||||
DPRINT("BufferLength %u\n", BufferLength);
|
||||
DPRINT("SystemBuffer %p\n", SystemBuffer);
|
||||
|
||||
switch (FsInformationClass)
|
||||
{
|
||||
case FileFsLabelInformation:
|
||||
Status = FsdSetFsLabelInformation(IrpContext->DeviceObject,
|
||||
SystemBuffer);
|
||||
break;
|
||||
|
||||
default:
|
||||
Status = STATUS_NOT_SUPPORTED;
|
||||
}
|
||||
|
||||
ExReleaseResourceLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource);
|
||||
IrpContext->Irp->IoStatus.Status = Status;
|
||||
IrpContext->Irp->IoStatus.Information = 0;
|
||||
IoCompleteRequest(IrpContext->Irp, IO_NO_INCREMENT);
|
||||
VfatFreeIrpContext(IrpContext);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
/* EOF */
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue