Public/winfsp
1
0
Fork 0
mirror of https://github.com/winfsp/winfsp.git synced 2025-06-14 15:52:47 -05:00
Code Issues Packages Projects Releases Wiki Activity

sys: IRP_MJ_SET_INFORMATION: FileEndOfFileInformation: ignore calls with the AdvanceOnly parameter

Browse Source
This commit is contained in:
Bill Zissimopoulos
2016-03-03 11:35:32 -08:00
parent 6f3f57366a
commit bc9f983285
5 changed files with 11 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
src/sys/fileinfo.c
View File

@ -38,7 +38,7 @@ static NTSTATUS FspFsvolSetBasicInformation(PFILE_OBJECT FileObject,
PVOID Buffer, ULONG Length,
FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response);
static NTSTATUS FspFsvolSetEndOfFileInformation(PFILE_OBJECT FileObject,
PVOID Buffer, ULONG Length, BOOLEAN AdvanceOnly,
PVOID Buffer, ULONG Length,
FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response);
static NTSTATUS FspFsvolSetPositionInformation(PFILE_OBJECT FileObject,
PVOID Buffer, ULONG Length);
@ -640,7 +640,7 @@ static NTSTATUS FspFsvolSetBasicInformation(PFILE_OBJECT FileObject,
}
static NTSTATUS FspFsvolSetEndOfFileInformation(PFILE_OBJECT FileObject,
PVOID Buffer, ULONG Length, BOOLEAN AdvanceOnly,
PVOID Buffer, ULONG Length,
FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response)
{
PAGED_CODE();
@ -656,9 +656,7 @@ static NTSTATUS FspFsvolSetEndOfFileInformation(PFILE_OBJECT FileObject,
BOOLEAN Success;
Request->Req.SetInformation.Info.EndOfFile.FileSize = Info->EndOfFile.QuadPart;
Request->Req.SetInformation.Info.EndOfFile.AdvanceOnly = AdvanceOnly;
// !!!: REVISIT after better understanding relationship between AllocationSize and FileSize
Success = MmCanFileBeTruncated(FileObject->SectionObjectPointer, &Info->EndOfFile);
if (!Success)
return STATUS_USER_MAPPED_FILE;
@ -964,8 +962,11 @@ static NTSTATUS FspFsvolSetInformation(
Result = FspFsvolSetBasicInformation(FileObject, Buffer, Length, 0, 0);
break;
case FileEndOfFileInformation:
Result = FspFsvolSetEndOfFileInformation(FileObject, Buffer, Length,
IrpSp->Parameters.SetFile.AdvanceOnly, 0, 0);
if (IrpSp->Parameters.SetFile.AdvanceOnly)
/* we do not support ValidDataLength currently! */
Result = STATUS_INVALID_PARAMETER;
else
Result = FspFsvolSetEndOfFileInformation(FileObject, Buffer, Length, 0, 0);
break;
case FileLinkInformation:
Result = STATUS_INVALID_PARAMETER; /* no hard link support */
@ -1012,8 +1013,7 @@ static NTSTATUS FspFsvolSetInformation(
Result = FspFsvolSetBasicInformation(FileObject, Buffer, Length, Request, 0);
break;
case FileEndOfFileInformation:
Result = FspFsvolSetEndOfFileInformation(FileObject, Buffer, Length,
IrpSp->Parameters.SetFile.AdvanceOnly, Request, 0);
Result = FspFsvolSetEndOfFileInformation(FileObject, Buffer, Length, Request, 0);
break;
default:
ASSERT(0);
@ -1062,8 +1062,7 @@ NTSTATUS FspFsvolSetInformationComplete(
Result = FspFsvolSetBasicInformation(FileObject, Buffer, Length, Request, Response);
break;
case FileEndOfFileInformation:
Result = FspFsvolSetEndOfFileInformation(FileObject, Buffer, Length,
IrpSp->Parameters.SetFile.AdvanceOnly, Request, Response);
Result = FspFsvolSetEndOfFileInformation(FileObject, Buffer, Length, Request, Response);
break;
default:
ASSERT(0);