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inc,sys,tst: FSP_FSCTL_VOLUME_PARAMS::RejectIrpPriorToTransact0

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Bill Zissimopoulos 2020-02-03 16:38:55 -08:00
parent 51350d5a42
commit bf6d56ceac
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GPG Key ID: 3D4F95D52C7B3EA3
5 changed files with 12 additions and 6 deletions
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2
inc/winfsp/fsctl.h
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@ -176,7 +176,7 @@ enum
UINT32 CasePreservedExtendedAttributes:1; /* preserve case of EA (default is UPPERCASE) */\ UINT32 CasePreservedExtendedAttributes:1; /* preserve case of EA (default is UPPERCASE) */\
UINT32 WslFeatures:1; /* support features required for WSLinux */\ UINT32 WslFeatures:1; /* support features required for WSLinux */\
UINT32 DirectoryMarkerAsNextOffset:1; /* directory marker is next offset instead of last name */\ UINT32 DirectoryMarkerAsNextOffset:1; /* directory marker is next offset instead of last name */\
UINT32 RejectIrpPriorToTransact:1; /* reject IRP's prior to first FSP_FSCTL_TRANSACT */\ UINT32 RejectIrpPriorToTransact0:1; /* reject IRP's prior to FspFsctlTransact with 0 buffers */\
UINT32 KmReservedFlags:3;\ UINT32 KmReservedFlags:3;\
WCHAR Prefix[FSP_FSCTL_VOLUME_PREFIX_SIZE / sizeof(WCHAR)]; /* UNC prefix (\Server\Share) */\ WCHAR Prefix[FSP_FSCTL_VOLUME_PREFIX_SIZE / sizeof(WCHAR)]; /* UNC prefix (\Server\Share) */\
WCHAR FileSystemName[FSP_FSCTL_VOLUME_FSNAME_SIZE / sizeof(WCHAR)]; WCHAR FileSystemName[FSP_FSCTL_VOLUME_FSNAME_SIZE / sizeof(WCHAR)];

5
src/dll/fs.c
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@ -273,6 +273,11 @@ static DWORD WINAPI FspFileSystemDispatcherThread(PVOID FileSystem0)
OperationContext.Response = Response; OperationContext.Response = Response;
TlsSetValue(FspFileSystemTlsKey, &OperationContext); TlsSetValue(FspFileSystemTlsKey, &OperationContext);
Result = FspFsctlTransact(FileSystem->VolumeHandle, 0, 0, 0, 0, FALSE);
/* send a TRANSACT0 to inform the FSD that the dispatcher is ready */
if (!NT_SUCCESS(Result))
goto exit;
memset(Response, 0, sizeof *Response); memset(Response, 0, sizeof *Response);
for (;;) for (;;)
{ {

4
src/sys/driver.h
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@ -1186,7 +1186,7 @@ static inline
BOOLEAN FspFsvolDeviceReadyToAcceptIrp(PDEVICE_OBJECT DeviceObject) BOOLEAN FspFsvolDeviceReadyToAcceptIrp(PDEVICE_OBJECT DeviceObject)
{ {
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject); FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject);
if (!FsvolDeviceExtension->VolumeParams.RejectIrpPriorToTransact) if (!FsvolDeviceExtension->VolumeParams.RejectIrpPriorToTransact0)
return TRUE; return TRUE;
return 0 != InterlockedCompareExchange(&FsvolDeviceExtension->ReadyToAcceptIrp, 0, 0); return 0 != InterlockedCompareExchange(&FsvolDeviceExtension->ReadyToAcceptIrp, 0, 0);
} }
@ -1194,7 +1194,7 @@ static inline
VOID FspFsvolDeviceSetReadyToAcceptIrp(PDEVICE_OBJECT DeviceObject) VOID FspFsvolDeviceSetReadyToAcceptIrp(PDEVICE_OBJECT DeviceObject)
{ {
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject); FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject);
if (!FsvolDeviceExtension->VolumeParams.RejectIrpPriorToTransact) if (!FsvolDeviceExtension->VolumeParams.RejectIrpPriorToTransact0)
return; return;
InterlockedExchange(&FsvolDeviceExtension->ReadyToAcceptIrp, 1); InterlockedExchange(&FsvolDeviceExtension->ReadyToAcceptIrp, 1);
} }

5
src/sys/volume.c
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@ -277,7 +277,7 @@ static NTSTATUS FspVolumeCreateNoLock(
RtlInitEmptyUnicodeString(&FsvolDeviceExtension->VolumeName, RtlInitEmptyUnicodeString(&FsvolDeviceExtension->VolumeName,
FsvolDeviceExtension->VolumeNameBuf, sizeof FsvolDeviceExtension->VolumeNameBuf); FsvolDeviceExtension->VolumeNameBuf, sizeof FsvolDeviceExtension->VolumeNameBuf);
RtlCopyUnicodeString(&FsvolDeviceExtension->VolumeName, &VolumeName); RtlCopyUnicodeString(&FsvolDeviceExtension->VolumeName, &VolumeName);
if (!FsvolDeviceExtension->VolumeParams.RejectIrpPriorToTransact) if (!FsvolDeviceExtension->VolumeParams.RejectIrpPriorToTransact0)
FsvolDeviceExtension->ReadyToAcceptIrp = 1; FsvolDeviceExtension->ReadyToAcceptIrp = 1;
Result = FspDeviceInitialize(FsvolDeviceObject); Result = FspDeviceInitialize(FsvolDeviceObject);
if (NT_SUCCESS(Result)) if (NT_SUCCESS(Result))
@ -769,7 +769,8 @@ NTSTATUS FspVolumeTransact(
if (!FspDeviceReference(FsvolDeviceObject)) if (!FspDeviceReference(FsvolDeviceObject))
return STATUS_CANCELLED; return STATUS_CANCELLED;
FspFsvolDeviceSetReadyToAcceptIrp(FsvolDeviceObject); if (0 == InputBufferLength && 0 == OutputBufferLength)
FspFsvolDeviceSetReadyToAcceptIrp(FsvolDeviceObject);
NTSTATUS Result; NTSTATUS Result;
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject); FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);

2
tst/memfs/memfs.cpp
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@ -2402,7 +2402,7 @@ NTSTATUS MemfsCreateFunnel(
#endif #endif
VolumeParams.AllowOpenInKernelMode = 1; VolumeParams.AllowOpenInKernelMode = 1;
#if defined(MEMFS_REJECT_EARLY_IRP) #if defined(MEMFS_REJECT_EARLY_IRP)
VolumeParams.RejectIrpPriorToTransact = 1; VolumeParams.RejectIrpPriorToTransact0 = 1;
#endif #endif
if (0 != VolumePrefix) if (0 != VolumePrefix)
wcscpy_s(VolumeParams.Prefix, sizeof VolumeParams.Prefix / sizeof(WCHAR), VolumePrefix); wcscpy_s(VolumeParams.Prefix, sizeof VolumeParams.Prefix / sizeof(WCHAR), VolumePrefix);