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[NTOSKRNL]

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NtQueryInformationFile: Implement the FileModeInformation case according to 'File System Internals' page 485.

svn path=/trunk/; revision=66319
This commit is contained in:
Eric Kohl 2015-02-16 15:33:34 +00:00
parent 8e230698ba
commit 723079bd61
1 changed files with 37 additions and 0 deletions
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37
reactos/ntoskrnl/io/iomgr/iofunc.c
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@ -865,6 +865,35 @@ IopOpenLinkOrRenameTarget(OUT PHANDLE Handle,
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }
static
ULONG
IopGetFileMode(IN PFILE_OBJECT FileObject)
{
ULONG Mode = 0;
if (FileObject->Flags & FO_WRITE_THROUGH)
Mode |= FILE_WRITE_THROUGH;
if (FileObject->Flags & FO_SEQUENTIAL_ONLY)
Mode |= FILE_SEQUENTIAL_ONLY;
if (FileObject->Flags & FO_NO_INTERMEDIATE_BUFFERING)
Mode |= FILE_NO_INTERMEDIATE_BUFFERING;
if (FileObject->Flags & FO_SYNCHRONOUS_IO)
{
if (FileObject->Flags & FO_ALERTABLE_IO)
Mode |= FILE_SYNCHRONOUS_IO_ALERT;
else
Mode |= FILE_SYNCHRONOUS_IO_NONALERT;
}
if (FileObject->Flags & FO_DELETE_ON_CLOSE)
Mode |= FILE_DELETE_ON_CLOSE;
return Mode;
}
/* PUBLIC FUNCTIONS **********************************************************/ /* PUBLIC FUNCTIONS **********************************************************/
/* /*
@ -1865,6 +1894,7 @@ NtQueryInformationFile(IN HANDLE FileHandle,
IO_STATUS_BLOCK KernelIosb; IO_STATUS_BLOCK KernelIosb;
BOOLEAN CallDriver = TRUE; BOOLEAN CallDriver = TRUE;
PFILE_ACCESS_INFORMATION AccessBuffer; PFILE_ACCESS_INFORMATION AccessBuffer;
PFILE_MODE_INFORMATION ModeBuffer;
PFILE_ALIGNMENT_INFORMATION AlignmentBuffer; PFILE_ALIGNMENT_INFORMATION AlignmentBuffer;
PAGED_CODE(); PAGED_CODE();
IOTRACE(IO_API_DEBUG, "FileHandle: %p\n", FileHandle); IOTRACE(IO_API_DEBUG, "FileHandle: %p\n", FileHandle);
@ -2055,6 +2085,13 @@ NtQueryInformationFile(IN HANDLE FileHandle,
Irp->IoStatus.Information = sizeof(FILE_ACCESS_INFORMATION); Irp->IoStatus.Information = sizeof(FILE_ACCESS_INFORMATION);
CallDriver = FALSE; CallDriver = FALSE;
} }
else if (FileInformationClass == FileModeInformation)
{
ModeBuffer = Irp->AssociatedIrp.SystemBuffer;
ModeBuffer->Mode = IopGetFileMode(FileObject);
Irp->IoStatus.Information = sizeof(FILE_MODE_INFORMATION);
CallDriver = FALSE;
}
else if (FileInformationClass == FileAlignmentInformation) else if (FileInformationClass == FileAlignmentInformation)
{ {
AlignmentBuffer = Irp->AssociatedIrp.SystemBuffer; AlignmentBuffer = Irp->AssociatedIrp.SystemBuffer;