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sys: FileEaInformation and EaSize support

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This commit is contained in:
Bill Zissimopoulos
2019-03-21 14:05:17 -07:00
parent 8c0957f702
commit 62b0e889b2
3 changed files with 46 additions and 17 deletions
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39
src/sys/fileinfo.c
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@ -31,7 +31,8 @@ static NTSTATUS FspFsvolQueryBasicInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd,
const FSP_FSCTL_FILE_INFO *FileInfo);
static NTSTATUS FspFsvolQueryEaInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd);
PVOID *PBuffer, PVOID BufferEnd,
const FSP_FSCTL_FILE_INFO *FileInfo);
static NTSTATUS FspFsvolQueryInternalInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd);
static NTSTATUS FspFsvolQueryNameInformation(PFILE_OBJECT FileObject,
@ -175,7 +176,9 @@ static NTSTATUS FspFsvolQueryAllInformation(PFILE_OBJECT FileObject,
Info->InternalInformation.IndexNumber.QuadPart = FileNode->IndexNumber;
Info->EaInformation.EaSize = 0;
Info->EaInformation.EaSize =
FspFsvolDeviceExtension(FileNode->FsvolDeviceObject)->VolumeParams.ExtendedAttributes ?
FileInfo->EaSize : 0;
Info->PositionInformation.CurrentByteOffset = FileObject->CurrentByteOffset;
@ -236,20 +239,25 @@ static NTSTATUS FspFsvolQueryBasicInformation(PFILE_OBJECT FileObject,
}
static NTSTATUS FspFsvolQueryEaInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd)
PVOID *PBuffer, PVOID BufferEnd,
const FSP_FSCTL_FILE_INFO *FileInfo)
{
PAGED_CODE();
PFILE_EA_INFORMATION Info = (PFILE_EA_INFORMATION)*PBuffer;
if ((PVOID)(Info + 1) > BufferEnd)
return STATUS_BUFFER_TOO_SMALL;
if (0 == FileInfo)
{
if ((PVOID)(Info + 1) > BufferEnd)
return STATUS_BUFFER_TOO_SMALL;
/*
* No EA support currently. We must nevertheless respond to this query
* or SRV2 gets unhappy. Just tell them that we have 0 EA's.
*/
Info->EaSize = 0;
return STATUS_SUCCESS;
}
FSP_FILE_NODE *FileNode = FileObject->FsContext;
Info->EaSize =
FspFsvolDeviceExtension(FileNode->FsvolDeviceObject)->VolumeParams.ExtendedAttributes ?
FileInfo->EaSize : 0;
*PBuffer = (PVOID)(Info + 1);
@ -679,9 +687,8 @@ static NTSTATUS FspFsvolQueryInformation(
Result = STATUS_INVALID_PARAMETER; /* no compression support */
return Result;
case FileEaInformation:
Result = FspFsvolQueryEaInformation(FileObject, &Buffer, BufferEnd);
Irp->IoStatus.Information = (UINT_PTR)((PUINT8)Buffer - (PUINT8)Irp->AssociatedIrp.SystemBuffer);
return Result;
Result = FspFsvolQueryEaInformation(FileObject, &Buffer, BufferEnd, 0);
break;
case FileHardLinkInformation:
Result = STATUS_NOT_SUPPORTED; /* no hard link support */
return Result;
@ -733,6 +740,9 @@ static NTSTATUS FspFsvolQueryInformation(
case FileBasicInformation:
Result = FspFsvolQueryBasicInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
break;
case FileEaInformation:
Result = FspFsvolQueryEaInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
break;
case FileNetworkOpenInformation:
Result = FspFsvolQueryNetworkOpenInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
break;
@ -840,6 +850,9 @@ NTSTATUS FspFsvolQueryInformationComplete(
case FileBasicInformation:
Result = FspFsvolQueryBasicInformation(FileObject, &Buffer, BufferEnd, FileInfo);
break;
case FileEaInformation:
Result = FspFsvolQueryEaInformation(FileObject, &Buffer, BufferEnd, FileInfo);
break;
case FileNetworkOpenInformation:
Result = FspFsvolQueryNetworkOpenInformation(FileObject, &Buffer, BufferEnd, FileInfo);
break;