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[NTFS] - Fix POSIX rules. Fix accessing long filenames created in Windows when 8dot3 name creation is disabled.

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Whether or not a filename should be interpreted as case-sensitive is dependent on a flag passed to the driver when a file is created (opened); it's separate from the namespace associated with the file being accessed.

svn path=/branches/GSoC_2016/NTFS/; revision=75178
This commit is contained in:
Trevor Thompson 2017-06-24 04:36:28 +00:00 • committed by Thomas Faber
parent 98ddf610bc
commit 032be02954
8 changed files with 185 additions and 44 deletions
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24
drivers/filesystems/ntfs/rw.c
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@ -283,6 +283,10 @@ NtfsRead(PNTFS_IRP_CONTEXT IrpContext)
* @param IrpFlags
* TODO: flags are presently ignored in code.
*
* @param CaseSensitive
* Boolean indicating if the function should operate in case-sensitive mode. This will be TRUE
* if an application opened the file with the FILE_FLAG_POSIX_SEMANTICS flag.
*
* @param LengthWritten
* Pointer to a ULONG. This ULONG will be set to the number of bytes successfully written.
*
@ -303,6 +307,7 @@ NTSTATUS NtfsWriteFile(PDEVICE_EXTENSION DeviceExt,
ULONG Length,
ULONG WriteOffset,
ULONG IrpFlags,
BOOLEAN CaseSensitive,
PULONG LengthWritten)
{
NTSTATUS Status = STATUS_NOT_IMPLEMENTED;
@ -312,7 +317,15 @@ NTSTATUS NtfsWriteFile(PDEVICE_EXTENSION DeviceExt,
ULONG AttributeOffset;
ULONGLONG StreamSize;
DPRINT("NtfsWriteFile(%p, %p, %p, %u, %u, %x, %p)\n", DeviceExt, FileObject, Buffer, Length, WriteOffset, IrpFlags, LengthWritten);
DPRINT("NtfsWriteFile(%p, %p, %p, %u, %u, %x, %s, %p)\n",
DeviceExt,
FileObject,
Buffer,
Length,
WriteOffset,
IrpFlags,
(CaseSensitive ? "TRUE" : "FALSE"),
LengthWritten);
*LengthWritten = 0;
@ -444,7 +457,13 @@ NTSTATUS NtfsWriteFile(PDEVICE_EXTENSION DeviceExt,
filename.Length = fileNameAttribute->NameLength * sizeof(WCHAR);
filename.MaximumLength = filename.Length;
Status = UpdateFileNameRecord(Fcb->Vcb, ParentMFTId, &filename, FALSE, DataSize.QuadPart, AllocationSize);
Status = UpdateFileNameRecord(Fcb->Vcb,
ParentMFTId,
&filename,
FALSE,
DataSize.QuadPart,
AllocationSize,
CaseSensitive);
}
else
@ -667,6 +686,7 @@ NtfsWrite(PNTFS_IRP_CONTEXT IrpContext)
Length,
ByteOffset.LowPart,
Irp->Flags,
(IrpContext->Stack->Flags & SL_CASE_SENSITIVE),
&ReturnedWriteLength);
IrpContext->Irp->IoStatus.Status = Status;