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grand EaSize patch; passes winfsp-tests and ifstest

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This commit is contained in:
Bill Zissimopoulos
2019-03-21 18:14:15 -07:00
parent b619dbfe97
commit 732e6cc38c
13 changed files with 123 additions and 41 deletions
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1
src/sys/driver.h
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@ -1285,6 +1285,7 @@ typedef struct FSP_FILE_NODE
UINT64 LastAccessTime;
UINT64 LastWriteTime;
UINT64 ChangeTime;
UINT32 EaSize;
ULONG FileInfoChangeNumber;
UINT64 Security;
ULONG SecurityChangeNumber;

16
src/sys/ea.c
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@ -578,9 +578,11 @@ NTSTATUS FspFsvolSetEaComplete(
PFILE_OBJECT FileObject = IrpSp->FileObject;
FSP_FILE_NODE *FileNode = FileObject->FsContext;
FSP_FSCTL_TRANSACT_REQ *Request = FspIrpRequest(Irp);
BOOLEAN Valid;
BOOLEAN EaValid;
Valid = FALSE;
FspFileNodeSetFileInfo(FileNode, FileObject, &Response->Rsp.SetEa.FileInfo, FALSE);
EaValid = FALSE;
if (0 < Response->Rsp.SetEa.Ea.Size &&
Response->Buffer + Response->Rsp.SetEa.Ea.Size <=
(PUINT8)Response + Response->Size)
@ -589,19 +591,17 @@ NTSTATUS FspFsvolSetEaComplete(
(PVOID)Response->Buffer, /* FspEaBufferFromFileSystemValidate may alter the buffer! */
Response->Rsp.SetEa.Ea.Size,
(PULONG)&Irp->IoStatus.Information);
Valid = NT_SUCCESS(Result);
EaValid = NT_SUCCESS(Result);
}
/* if the EA buffer that we got back is valid */
if (Valid)
if (EaValid)
{
/* update the cached EA */
/* if the EA buffer that we got back is valid, update the cached EA */
FspFileNodeSetEa(FileNode,
Response->Buffer, Response->Rsp.SetEa.Ea.Size);
}
else
{
/* invalidate the cached EA */
/* if the EA buffer that we got back is not valid, invalidate the cached EA */
FspFileNodeSetEa(FileNode, 0, 0);
}

2
src/sys/file.c
View File

@ -1631,6 +1631,7 @@ VOID FspFileNodeGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileIn
FileInfo->LastAccessTime = FileNode->LastAccessTime;
FileInfo->LastWriteTime = FileNode->LastWriteTime;
FileInfo->ChangeTime = FileNode->ChangeTime;
FileInfo->EaSize = FileNode->EaSize;
}
BOOLEAN FspFileNodeTryGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileInfo)
@ -1778,6 +1779,7 @@ VOID FspFileNodeSetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
MainFileNode->LastAccessTime = FileInfo->LastAccessTime;
MainFileNode->LastWriteTime = FileInfo->LastWriteTime;
MainFileNode->ChangeTime = FileInfo->ChangeTime;
MainFileNode->EaSize = FileInfo->EaSize;
if (0 != CcFileObject)
{

6
src/sys/fileinfo.c
View File

@ -179,6 +179,9 @@ static NTSTATUS FspFsvolQueryAllInformation(PFILE_OBJECT FileObject,
Info->EaInformation.EaSize =
FspFsvolDeviceExtension(FileNode->FsvolDeviceObject)->VolumeParams.ExtendedAttributes ?
FileInfo->EaSize : 0;
/* magic computations are courtesy of NTFS */
if (0 != Info->EaInformation.EaSize)
Info->EaInformation.EaSize += 4;
Info->PositionInformation.CurrentByteOffset = FileObject->CurrentByteOffset;
@ -258,6 +261,9 @@ static NTSTATUS FspFsvolQueryEaInformation(PFILE_OBJECT FileObject,
Info->EaSize =
FspFsvolDeviceExtension(FileNode->FsvolDeviceObject)->VolumeParams.ExtendedAttributes ?
FileInfo->EaSize : 0;
/* magic computations are courtesy of NTFS */
if (0 != Info->EaSize)
Info->EaSize += 4;
*PBuffer = (PVOID)(Info + 1);