Public/winfsp
1
0
Fork 0
mirror of https://github.com/winfsp/winfsp.git synced 2025-07-04 01:42:58 -05:00
Code Issues Packages Projects Releases Wiki Activity

sys: IRP_MJ_SET_INFORMATION

Browse Source
This commit is contained in:
Bill Zissimopoulos
2016-02-05 18:30:34 -08:00
parent dc77a1109f
commit 66f54294a2
6 changed files with 253 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
src/sys/fileinfo.c
View File

@ -531,9 +531,17 @@ static NTSTATUS FspFsvolSetAllocationInformation(PFILE_OBJECT FileObject,
return STATUS_SUCCESS;
PFILE_ALLOCATION_INFORMATION Info = (PFILE_ALLOCATION_INFORMATION)Buffer;
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension =
FspFsvolDeviceExtension(FileObject->DeviceObject);
UINT64 AllocationSize = Info->AllocationSize.QuadPart;
UINT64 AllocationUnit;
BOOLEAN Success;
Request->Req.SetInformation.Info.Allocation.AllocationSize = Info->AllocationSize.QuadPart;
AllocationUnit = FsvolDeviceExtension->VolumeParams.SectorSize *
FsvolDeviceExtension->VolumeParams.SectorsPerAllocationUnit;
AllocationSize = (AllocationSize + AllocationUnit - 1) / AllocationUnit * AllocationUnit;
Request->Req.SetInformation.Info.Allocation.AllocationSize = AllocationSize;
Success = MmCanFileBeTruncated(FileObject->SectionObjectPointer, &Info->AllocationSize);
if (!Success)
@ -599,11 +607,14 @@ static NTSTATUS FspFsvolSetDispositionInformation(PFILE_OBJECT FileObject,
PFILE_DISPOSITION_INFORMATION Info = (PFILE_DISPOSITION_INFORMATION)Buffer;
BOOLEAN Success;
/* make sure no process is mapping the file as an image */
Success = MmFlushImageSection(FileObject->SectionObjectPointer,
MmFlushForDelete);
if (!Success)
return STATUS_CANNOT_DELETE;
if (Info->DeleteFile)
{
/* make sure no process is mapping the file as an image */
Success = MmFlushImageSection(FileObject->SectionObjectPointer,
MmFlushForDelete);
if (!Success)
return STATUS_CANNOT_DELETE;
}
Request->Req.SetInformation.Info.Disposition.Delete = Info->DeleteFile;
@ -802,20 +813,21 @@ NTSTATUS FspFsvolSetInformationComplete(
ULONG Length = IrpSp->Parameters.SetFile.Length;
FSP_FSCTL_TRANSACT_REQ *Request = FspIrpRequest(Irp);
FspFileNodeSetFileInfo(FileNode, FileObject, &Response->Rsp.SetInformation.FileInfo);
switch (FileInformationClass)
{
case FileAllocationInformation:
FspFileNodeSetFileInfo(FileNode, FileObject, &Response->Rsp.SetInformation.FileInfo);
Result = FspFsvolSetAllocationInformation(FileObject, Buffer, Length, Request, Response);
break;
case FileBasicInformation:
FspFileNodeSetFileInfo(FileNode, FileObject, &Response->Rsp.SetInformation.FileInfo);
Result = FspFsvolSetBasicInformation(FileObject, Buffer, Length, Request, Response);
break;
case FileDispositionInformation:
Result = FspFsvolSetDispositionInformation(FileObject, Buffer, Length, Request, Response);
break;
case FileEndOfFileInformation:
FspFileNodeSetFileInfo(FileNode, FileObject, &Response->Rsp.SetInformation.FileInfo);
Result = FspFsvolSetEndOfFileInformation(FileObject, Buffer, Length,
IrpSp->Parameters.SetFile.AdvanceOnly, Request, Response);
break;