mirror of
https://github.com/reactos/reactos.git
synced 2025-01-10 08:10:18 +00:00
- Fix formatting of some newly added functions before starting heavy work.
svn path=/trunk/; revision=22768
This commit is contained in:
Alex Ionescu
parent
fcb77c4c3d
commit
fbddf0d1ac
1 changed files with 332 additions and 425 deletions
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@ -405,159 +405,138 @@ IoQueryFileInformation(IN PFILE_OBJECT FileObject,
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/*
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* @implemented
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*/
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NTSTATUS STDCALL
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NTSTATUS
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NTAPI
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IoQueryVolumeInformation(IN PFILE_OBJECT FileObject,
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IN FS_INFORMATION_CLASS FsInformationClass,
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IN ULONG Length,
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OUT PVOID FsInformation,
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OUT PULONG ReturnedLength)
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IN FS_INFORMATION_CLASS FsInformationClass,
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IN ULONG Length,
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OUT PVOID FsInformation,
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OUT PULONG ReturnedLength)
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{
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IO_STATUS_BLOCK IoStatusBlock;
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PIO_STACK_LOCATION StackPtr;
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PDEVICE_OBJECT DeviceObject;
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PIRP Irp;
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NTSTATUS Status;
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IO_STATUS_BLOCK IoStatusBlock;
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PIO_STACK_LOCATION StackPtr;
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PDEVICE_OBJECT DeviceObject;
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PIRP Irp;
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NTSTATUS Status;
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ASSERT(FsInformation != NULL);
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Status = ObReferenceObjectByPointer(FileObject,
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FILE_READ_ATTRIBUTES,
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IoFileObjectType,
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KernelMode);
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if (!NT_SUCCESS(Status)) return(Status);
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DPRINT("FsInformation %p\n", FsInformation);
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DeviceObject = FileObject->DeviceObject;
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Status = ObReferenceObjectByPointer(FileObject,
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FILE_READ_ATTRIBUTES,
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IoFileObjectType,
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KernelMode);
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if (!NT_SUCCESS(Status))
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{
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return(Status);
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}
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Irp = IoAllocateIrp(DeviceObject->StackSize, TRUE);
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if (!Irp)
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{
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ObDereferenceObject(FileObject);
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return(STATUS_INSUFFICIENT_RESOURCES);
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}
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DeviceObject = FileObject->DeviceObject;
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/* Trigger FileObject/Event dereferencing */
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Irp->Tail.Overlay.OriginalFileObject = FileObject;
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Irp->RequestorMode = KernelMode;
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Irp->AssociatedIrp.SystemBuffer = FsInformation;
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KeResetEvent( &FileObject->Event );
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Irp->UserEvent = &FileObject->Event;
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Irp->UserIosb = &IoStatusBlock;
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Irp->Tail.Overlay.Thread = PsGetCurrentThread();
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Irp = IoAllocateIrp(DeviceObject->StackSize,
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TRUE);
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if (Irp == NULL)
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{
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ObDereferenceObject(FileObject);
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return(STATUS_INSUFFICIENT_RESOURCES);
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}
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StackPtr = IoGetNextIrpStackLocation(Irp);
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StackPtr->MajorFunction = IRP_MJ_QUERY_VOLUME_INFORMATION;
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StackPtr->MinorFunction = 0;
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StackPtr->Flags = 0;
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StackPtr->Control = 0;
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StackPtr->DeviceObject = DeviceObject;
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StackPtr->FileObject = FileObject;
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StackPtr->Parameters.QueryVolume.Length = Length;
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StackPtr->Parameters.QueryVolume.FsInformationClass =
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FsInformationClass;
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/* Trigger FileObject/Event dereferencing */
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Irp->Tail.Overlay.OriginalFileObject = FileObject;
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Irp->RequestorMode = KernelMode;
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Irp->AssociatedIrp.SystemBuffer = FsInformation;
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KeResetEvent( &FileObject->Event );
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Irp->UserEvent = &FileObject->Event;
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Irp->UserIosb = &IoStatusBlock;
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Irp->Tail.Overlay.Thread = PsGetCurrentThread();
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Status = IoCallDriver(DeviceObject, Irp);
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if (Status == STATUS_PENDING)
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{
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KeWaitForSingleObject(&FileObject->Event,
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UserRequest,
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KernelMode,
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FALSE,
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NULL);
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Status = IoStatusBlock.Status;
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}
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StackPtr = IoGetNextIrpStackLocation(Irp);
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StackPtr->MajorFunction = IRP_MJ_QUERY_VOLUME_INFORMATION;
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StackPtr->MinorFunction = 0;
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StackPtr->Flags = 0;
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StackPtr->Control = 0;
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StackPtr->DeviceObject = DeviceObject;
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StackPtr->FileObject = FileObject;
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StackPtr->Parameters.QueryVolume.Length = Length;
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StackPtr->Parameters.QueryVolume.FsInformationClass =
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FsInformationClass;
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Status = IoCallDriver(DeviceObject,
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Irp);
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if (Status == STATUS_PENDING)
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{
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KeWaitForSingleObject(&FileObject->Event,
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UserRequest,
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KernelMode,
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FALSE,
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NULL);
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Status = IoStatusBlock.Status;
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}
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DPRINT("Status %x\n", Status);
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if (ReturnedLength != NULL)
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{
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*ReturnedLength = IoStatusBlock.Information;
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}
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return(Status);
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if (ReturnedLength) *ReturnedLength = IoStatusBlock.Information;
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return Status;
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}
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/*
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* @unimplemented
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*/
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NTSTATUS STDCALL
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NTSTATUS
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NTAPI
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IoSetInformation(IN PFILE_OBJECT FileObject,
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IN FILE_INFORMATION_CLASS FileInformationClass,
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IN ULONG Length,
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IN PVOID FileInformation)
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IN FILE_INFORMATION_CLASS FileInformationClass,
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IN ULONG Length,
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IN PVOID FileInformation)
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{
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IO_STATUS_BLOCK IoStatusBlock;
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PIRP Irp;
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PDEVICE_OBJECT DeviceObject;
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PIO_STACK_LOCATION StackPtr;
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NTSTATUS Status;
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IO_STATUS_BLOCK IoStatusBlock;
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PIRP Irp;
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PDEVICE_OBJECT DeviceObject;
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PIO_STACK_LOCATION StackPtr;
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NTSTATUS Status;
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ASSERT(FileInformation != NULL);
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if (FileInformationClass == FileCompletionInformation)
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{
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return STATUS_NOT_IMPLEMENTED;
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}
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if (FileInformationClass == FileCompletionInformation)
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{
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return STATUS_NOT_IMPLEMENTED;
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}
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Status = ObReferenceObjectByPointer(FileObject,
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0, /* FIXME - depends on the information class */
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IoFileObjectType,
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KernelMode);
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if (!NT_SUCCESS(Status)) return(Status);
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DeviceObject = FileObject->DeviceObject;
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Status = ObReferenceObjectByPointer(FileObject,
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0, /* FIXME - depends on the information class */
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IoFileObjectType,
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KernelMode);
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if (!NT_SUCCESS(Status))
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{
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return(Status);
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}
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Irp = IoAllocateIrp(DeviceObject->StackSize, TRUE);
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if (!Irp)
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{
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ObDereferenceObject(FileObject);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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DPRINT("FileObject 0x%p\n", FileObject);
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/* Trigger FileObject/Event dereferencing */
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Irp->Tail.Overlay.OriginalFileObject = FileObject;
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Irp->RequestorMode = KernelMode;
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Irp->AssociatedIrp.SystemBuffer = FileInformation;
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Irp->UserIosb = &IoStatusBlock;
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Irp->UserEvent = &FileObject->Event;
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Irp->Tail.Overlay.Thread = PsGetCurrentThread();
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KeResetEvent( &FileObject->Event );
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DeviceObject = FileObject->DeviceObject;
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StackPtr = IoGetNextIrpStackLocation(Irp);
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StackPtr->MajorFunction = IRP_MJ_SET_INFORMATION;
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StackPtr->MinorFunction = 0;
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StackPtr->Flags = 0;
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StackPtr->Control = 0;
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StackPtr->DeviceObject = DeviceObject;
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StackPtr->FileObject = FileObject;
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StackPtr->Parameters.SetFile.FileInformationClass = FileInformationClass;
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StackPtr->Parameters.SetFile.Length = Length;
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Irp = IoAllocateIrp(DeviceObject->StackSize,
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TRUE);
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if (Irp == NULL)
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{
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ObDereferenceObject(FileObject);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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Status = IoCallDriver(FileObject->DeviceObject, Irp);
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if (Status==STATUS_PENDING)
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{
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KeWaitForSingleObject(&FileObject->Event,
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Executive,
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KernelMode,
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FileObject->Flags & FO_ALERTABLE_IO,
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NULL);
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Status = IoStatusBlock.Status;
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}
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/* Trigger FileObject/Event dereferencing */
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Irp->Tail.Overlay.OriginalFileObject = FileObject;
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Irp->RequestorMode = KernelMode;
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Irp->AssociatedIrp.SystemBuffer = FileInformation;
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Irp->UserIosb = &IoStatusBlock;
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Irp->UserEvent = &FileObject->Event;
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Irp->Tail.Overlay.Thread = PsGetCurrentThread();
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KeResetEvent( &FileObject->Event );
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StackPtr = IoGetNextIrpStackLocation(Irp);
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StackPtr->MajorFunction = IRP_MJ_SET_INFORMATION;
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StackPtr->MinorFunction = 0;
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StackPtr->Flags = 0;
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StackPtr->Control = 0;
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StackPtr->DeviceObject = DeviceObject;
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StackPtr->FileObject = FileObject;
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StackPtr->Parameters.SetFile.FileInformationClass = FileInformationClass;
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StackPtr->Parameters.SetFile.Length = Length;
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Status = IoCallDriver(FileObject->DeviceObject, Irp);
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if (Status==STATUS_PENDING)
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{
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KeWaitForSingleObject(&FileObject->Event,
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Executive,
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KernelMode,
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FileObject->Flags & FO_ALERTABLE_IO,
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NULL);
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Status = IoStatusBlock.Status;
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}
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return Status;
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return Status;
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}
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/* NATIVE SERVICES ***********************************************************/
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@ -1324,7 +1303,6 @@ NtQueryDirectoryFile(IN HANDLE FileHandle,
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}
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}
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return Status;
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Cleanup:
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@ -1767,7 +1745,7 @@ NtReadFileScatter(IN HANDLE FileHandle,
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IN PULONG Key OPTIONAL)
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{
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UNIMPLEMENTED;
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return(STATUS_NOT_IMPLEMENTED);
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return STATUS_NOT_IMPLEMENTED;
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}
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/*
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@ -2281,15 +2259,15 @@ NtUnlockFile(IN HANDLE FileHandle,
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*/
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NTSTATUS
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NTAPI
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NtWriteFile (IN HANDLE FileHandle,
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IN HANDLE Event OPTIONAL,
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IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
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IN PVOID ApcContext OPTIONAL,
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OUT PIO_STATUS_BLOCK IoStatusBlock,
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IN PVOID Buffer,
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IN ULONG Length,
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IN PLARGE_INTEGER ByteOffset OPTIONAL,
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IN PULONG Key OPTIONAL)
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NtWriteFile(IN HANDLE FileHandle,
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IN HANDLE Event OPTIONAL,
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IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
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IN PVOID ApcContext OPTIONAL,
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OUT PIO_STATUS_BLOCK IoStatusBlock,
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IN PVOID Buffer,
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IN ULONG Length,
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IN PLARGE_INTEGER ByteOffset OPTIONAL,
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IN PULONG Key OPTIONAL)
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{
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OBJECT_HANDLE_INFORMATION ObjectHandleInfo;
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NTSTATUS Status = STATUS_SUCCESS;
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@ -2322,7 +2300,7 @@ NtWriteFile (IN HANDLE FileHandle,
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DesiredAccess |= FILE_APPEND_DATA;
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/* Validate User-Mode Buffers */
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if(PreviousMode != KernelMode)
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if (PreviousMode != KernelMode)
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{
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/* check if the handle has either FILE_WRITE_DATA or FILE_APPEND_DATA was
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granted. */
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@ -2494,74 +2472,44 @@ NtWriteFileGather(IN HANDLE FileHandle,
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OUT PIO_STATUS_BLOCK UserIoStatusBlock,
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IN FILE_SEGMENT_ELEMENT BufferDescription [],
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IN ULONG BufferLength,
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IN PLARGE_INTEGER ByteOffset,
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IN PLARGE_INTEGER ByteOffset,
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IN PULONG Key OPTIONAL)
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{
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UNIMPLEMENTED;
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return(STATUS_NOT_IMPLEMENTED);
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return STATUS_NOT_IMPLEMENTED;
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}
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/*
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* FUNCTION: Queries the volume information
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* ARGUMENTS:
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* FileHandle = Handle to a file object on the target volume
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* ReturnLength = DataWritten
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* FsInformation = Caller should supply storage for the information
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* structure.
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* Length = Size of the information structure
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* FsInformationClass = Index to a information structure
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*
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* FileFsVolumeInformation FILE_FS_VOLUME_INFORMATION
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* FileFsLabelInformation FILE_FS_LABEL_INFORMATION
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* FileFsSizeInformation FILE_FS_SIZE_INFORMATION
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* FileFsDeviceInformation FILE_FS_DEVICE_INFORMATION
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* FileFsAttributeInformation FILE_FS_ATTRIBUTE_INFORMATION
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* FileFsControlInformation
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* FileFsQuotaQueryInformation --
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* FileFsQuotaSetInformation --
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* FileFsMaximumInformation
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*
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* RETURNS: Status
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*
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* @implemented
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*/
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NTSTATUS STDCALL
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NTSTATUS
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NTAPI
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NtQueryVolumeInformationFile(IN HANDLE FileHandle,
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OUT PIO_STATUS_BLOCK IoStatusBlock,
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OUT PVOID FsInformation,
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IN ULONG Length,
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IN FS_INFORMATION_CLASS FsInformationClass)
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OUT PIO_STATUS_BLOCK IoStatusBlock,
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OUT PVOID FsInformation,
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IN ULONG Length,
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IN FS_INFORMATION_CLASS FsInformationClass)
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{
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PFILE_OBJECT FileObject;
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PDEVICE_OBJECT DeviceObject;
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PIRP Irp;
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NTSTATUS Status = STATUS_SUCCESS;
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PIO_STACK_LOCATION StackPtr;
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PVOID SystemBuffer;
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KPROCESSOR_MODE PreviousMode;
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PFILE_OBJECT FileObject;
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PDEVICE_OBJECT DeviceObject;
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PIRP Irp;
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NTSTATUS Status = STATUS_SUCCESS;
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PIO_STACK_LOCATION StackPtr;
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PVOID SystemBuffer;
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KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
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DPRINT("FsInformation %p\n", FsInformation);
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PreviousMode = ExGetPreviousMode();
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if (PreviousMode != KernelMode)
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{
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if (PreviousMode != KernelMode)
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{
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_SEH_TRY
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{
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if (IoStatusBlock != NULL)
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if (IoStatusBlock)
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{
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ProbeForWrite(IoStatusBlock,
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sizeof(IO_STATUS_BLOCK),
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sizeof(ULONG));
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}
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if (Length != 0)
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{
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ProbeForWrite(FsInformation,
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Length,
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1);
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}
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if (Length) ProbeForWrite(FsInformation, Length, 1);
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}
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_SEH_HANDLE
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{
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@ -2573,247 +2521,72 @@ NtQueryVolumeInformationFile(IN HANDLE FileHandle,
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{
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return Status;
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}
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}
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else
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{
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ASSERT(IoStatusBlock != NULL);
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ASSERT(FsInformation != NULL);
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}
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}
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Status = ObReferenceObjectByHandle(FileHandle,
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0, /* FIXME - depends on the information class! */
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IoFileObjectType,
|
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PreviousMode,
|
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(PVOID*)&FileObject,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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return(Status);
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Status = ObReferenceObjectByHandle(FileHandle,
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0, /* FIXME - depends on the information class! */
|
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IoFileObjectType,
|
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PreviousMode,
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(PVOID*)&FileObject,
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NULL);
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if (!NT_SUCCESS(Status)) return Status;
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DeviceObject = FileObject->DeviceObject;
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Irp = IoAllocateIrp(DeviceObject->StackSize, TRUE);
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if (!Irp)
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{
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ObDereferenceObject(FileObject);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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SystemBuffer = ExAllocatePoolWithTag(NonPagedPool, Length, TAG_SYSB);
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if (!SystemBuffer)
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{
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IoFreeIrp(Irp);
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ObDereferenceObject(FileObject);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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/* Trigger FileObject/Event dereferencing */
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Irp->Tail.Overlay.OriginalFileObject = FileObject;
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Irp->RequestorMode = PreviousMode;
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Irp->AssociatedIrp.SystemBuffer = SystemBuffer;
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KeResetEvent( &FileObject->Event );
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Irp->UserEvent = &FileObject->Event;
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Irp->UserIosb = IoStatusBlock;
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Irp->Tail.Overlay.Thread = PsGetCurrentThread();
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StackPtr = IoGetNextIrpStackLocation(Irp);
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StackPtr->MajorFunction = IRP_MJ_QUERY_VOLUME_INFORMATION;
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StackPtr->MinorFunction = 0;
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StackPtr->Flags = 0;
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StackPtr->Control = 0;
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StackPtr->DeviceObject = DeviceObject;
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StackPtr->FileObject = FileObject;
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StackPtr->Parameters.QueryVolume.Length = Length;
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StackPtr->Parameters.QueryVolume.FsInformationClass =
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FsInformationClass;
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Status = IoCallDriver(DeviceObject, Irp);
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if (Status == STATUS_PENDING)
|
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{
|
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KeWaitForSingleObject(&FileObject->Event,
|
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UserRequest,
|
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PreviousMode,
|
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FALSE,
|
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NULL);
|
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Status = IoStatusBlock->Status;
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}
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DeviceObject = FileObject->DeviceObject;
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Irp = IoAllocateIrp(DeviceObject->StackSize,
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TRUE);
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if (Irp == NULL)
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{
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ObDereferenceObject(FileObject);
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return(STATUS_INSUFFICIENT_RESOURCES);
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}
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SystemBuffer = ExAllocatePoolWithTag(NonPagedPool,
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Length,
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TAG_SYSB);
|
||||
if (SystemBuffer == NULL)
|
||||
{
|
||||
IoFreeIrp(Irp);
|
||||
ObDereferenceObject(FileObject);
|
||||
return(STATUS_INSUFFICIENT_RESOURCES);
|
||||
}
|
||||
|
||||
/* Trigger FileObject/Event dereferencing */
|
||||
Irp->Tail.Overlay.OriginalFileObject = FileObject;
|
||||
|
||||
Irp->RequestorMode = PreviousMode;
|
||||
Irp->AssociatedIrp.SystemBuffer = SystemBuffer;
|
||||
KeResetEvent( &FileObject->Event );
|
||||
Irp->UserEvent = &FileObject->Event;
|
||||
Irp->UserIosb = IoStatusBlock;
|
||||
Irp->Tail.Overlay.Thread = PsGetCurrentThread();
|
||||
|
||||
StackPtr = IoGetNextIrpStackLocation(Irp);
|
||||
StackPtr->MajorFunction = IRP_MJ_QUERY_VOLUME_INFORMATION;
|
||||
StackPtr->MinorFunction = 0;
|
||||
StackPtr->Flags = 0;
|
||||
StackPtr->Control = 0;
|
||||
StackPtr->DeviceObject = DeviceObject;
|
||||
StackPtr->FileObject = FileObject;
|
||||
StackPtr->Parameters.QueryVolume.Length = Length;
|
||||
StackPtr->Parameters.QueryVolume.FsInformationClass =
|
||||
FsInformationClass;
|
||||
|
||||
Status = IoCallDriver(DeviceObject,
|
||||
Irp);
|
||||
if (Status == STATUS_PENDING)
|
||||
{
|
||||
KeWaitForSingleObject(&FileObject->Event,
|
||||
UserRequest,
|
||||
PreviousMode,
|
||||
FALSE,
|
||||
NULL);
|
||||
Status = IoStatusBlock->Status;
|
||||
}
|
||||
DPRINT("Status %x\n", Status);
|
||||
|
||||
if (NT_SUCCESS(Status))
|
||||
{
|
||||
if (NT_SUCCESS(Status))
|
||||
{
|
||||
_SEH_TRY
|
||||
{
|
||||
DPRINT("Information %lu\n", IoStatusBlock->Information);
|
||||
RtlCopyMemory(FsInformation,
|
||||
SystemBuffer,
|
||||
IoStatusBlock->Information);
|
||||
}
|
||||
_SEH_HANDLE
|
||||
{
|
||||
Status = _SEH_GetExceptionCode();
|
||||
}
|
||||
_SEH_END;
|
||||
}
|
||||
|
||||
ExFreePool(SystemBuffer);
|
||||
|
||||
return(Status);
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
NTSTATUS STDCALL
|
||||
NtSetVolumeInformationFile(IN HANDLE FileHandle,
|
||||
OUT PIO_STATUS_BLOCK IoStatusBlock,
|
||||
IN PVOID FsInformation,
|
||||
IN ULONG Length,
|
||||
IN FS_INFORMATION_CLASS FsInformationClass)
|
||||
{
|
||||
PFILE_OBJECT FileObject;
|
||||
PDEVICE_OBJECT DeviceObject;
|
||||
PIRP Irp;
|
||||
NTSTATUS Status;
|
||||
PIO_STACK_LOCATION StackPtr;
|
||||
PVOID SystemBuffer;
|
||||
KPROCESSOR_MODE PreviousMode;
|
||||
|
||||
PreviousMode = ExGetPreviousMode();
|
||||
|
||||
if (PreviousMode != KernelMode)
|
||||
{
|
||||
Status = STATUS_SUCCESS;
|
||||
_SEH_TRY
|
||||
{
|
||||
if (IoStatusBlock != NULL)
|
||||
{
|
||||
ProbeForWrite(IoStatusBlock,
|
||||
sizeof(IO_STATUS_BLOCK),
|
||||
sizeof(ULONG));
|
||||
}
|
||||
|
||||
if (Length != 0)
|
||||
{
|
||||
ProbeForRead(FsInformation,
|
||||
Length,
|
||||
1);
|
||||
}
|
||||
}
|
||||
_SEH_HANDLE
|
||||
{
|
||||
Status = _SEH_GetExceptionCode();
|
||||
}
|
||||
_SEH_END;
|
||||
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
return Status;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ASSERT(IoStatusBlock != NULL);
|
||||
ASSERT(FsInformation != NULL);
|
||||
}
|
||||
|
||||
Status = ObReferenceObjectByHandle(FileHandle,
|
||||
FILE_WRITE_ATTRIBUTES,
|
||||
NULL,
|
||||
PreviousMode,
|
||||
(PVOID*)&FileObject,
|
||||
NULL);
|
||||
if (Status != STATUS_SUCCESS)
|
||||
{
|
||||
return(Status);
|
||||
}
|
||||
|
||||
DeviceObject = FileObject->DeviceObject;
|
||||
|
||||
Irp = IoAllocateIrp(DeviceObject->StackSize,TRUE);
|
||||
if (Irp == NULL)
|
||||
{
|
||||
ObDereferenceObject(FileObject);
|
||||
return(STATUS_INSUFFICIENT_RESOURCES);
|
||||
}
|
||||
|
||||
SystemBuffer = ExAllocatePoolWithTag(NonPagedPool,
|
||||
Length,
|
||||
TAG_SYSB);
|
||||
if (SystemBuffer == NULL)
|
||||
{
|
||||
Status = STATUS_INSUFFICIENT_RESOURCES;
|
||||
goto failfreeirp;
|
||||
}
|
||||
|
||||
if (PreviousMode != KernelMode)
|
||||
{
|
||||
_SEH_TRY
|
||||
{
|
||||
/* no need to probe again */
|
||||
RtlCopyMemory(SystemBuffer,
|
||||
FsInformation,
|
||||
Length);
|
||||
}
|
||||
_SEH_HANDLE
|
||||
{
|
||||
Status = _SEH_GetExceptionCode();
|
||||
}
|
||||
_SEH_END;
|
||||
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
ExFreePoolWithTag(SystemBuffer,
|
||||
TAG_SYSB);
|
||||
failfreeirp:
|
||||
IoFreeIrp(Irp);
|
||||
ObDereferenceObject(FileObject);
|
||||
return Status;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
RtlCopyMemory(SystemBuffer,
|
||||
FsInformation,
|
||||
Length);
|
||||
}
|
||||
|
||||
/* Trigger FileObject/Event dereferencing */
|
||||
Irp->Tail.Overlay.OriginalFileObject = FileObject;
|
||||
Irp->RequestorMode = PreviousMode;
|
||||
Irp->AssociatedIrp.SystemBuffer = SystemBuffer;
|
||||
KeResetEvent( &FileObject->Event );
|
||||
Irp->UserEvent = &FileObject->Event;
|
||||
Irp->UserIosb = IoStatusBlock;
|
||||
Irp->Tail.Overlay.Thread = PsGetCurrentThread();
|
||||
|
||||
StackPtr = IoGetNextIrpStackLocation(Irp);
|
||||
StackPtr->MajorFunction = IRP_MJ_SET_VOLUME_INFORMATION;
|
||||
StackPtr->MinorFunction = 0;
|
||||
StackPtr->Flags = 0;
|
||||
StackPtr->Control = 0;
|
||||
StackPtr->DeviceObject = DeviceObject;
|
||||
StackPtr->FileObject = FileObject;
|
||||
StackPtr->Parameters.SetVolume.Length = Length;
|
||||
StackPtr->Parameters.SetVolume.FsInformationClass =
|
||||
FsInformationClass;
|
||||
|
||||
Status = IoCallDriver(DeviceObject,Irp);
|
||||
if (Status == STATUS_PENDING)
|
||||
{
|
||||
KeWaitForSingleObject(&FileObject->Event,
|
||||
UserRequest,
|
||||
PreviousMode,
|
||||
FALSE,
|
||||
NULL);
|
||||
_SEH_TRY
|
||||
{
|
||||
Status = IoStatusBlock->Status;
|
||||
}
|
||||
_SEH_HANDLE
|
||||
{
|
||||
|
|
@ -2822,7 +2595,141 @@ failfreeirp:
|
|||
_SEH_END;
|
||||
}
|
||||
|
||||
ExFreePool(SystemBuffer);
|
||||
|
||||
return(Status);
|
||||
ExFreePool(SystemBuffer);
|
||||
return Status;
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
NTSTATUS
|
||||
NTAPI
|
||||
NtSetVolumeInformationFile(IN HANDLE FileHandle,
|
||||
OUT PIO_STATUS_BLOCK IoStatusBlock,
|
||||
IN PVOID FsInformation,
|
||||
IN ULONG Length,
|
||||
IN FS_INFORMATION_CLASS FsInformationClass)
|
||||
{
|
||||
PFILE_OBJECT FileObject;
|
||||
PDEVICE_OBJECT DeviceObject;
|
||||
PIRP Irp;
|
||||
NTSTATUS Status = STATUS_SUCCESS;
|
||||
PIO_STACK_LOCATION StackPtr;
|
||||
PVOID SystemBuffer;
|
||||
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
|
||||
|
||||
if (PreviousMode != KernelMode)
|
||||
{
|
||||
_SEH_TRY
|
||||
{
|
||||
if (IoStatusBlock)
|
||||
{
|
||||
ProbeForWrite(IoStatusBlock,
|
||||
sizeof(IO_STATUS_BLOCK),
|
||||
sizeof(ULONG));
|
||||
}
|
||||
|
||||
if (Length) ProbeForRead(FsInformation, Length, 1);
|
||||
}
|
||||
_SEH_HANDLE
|
||||
{
|
||||
Status = _SEH_GetExceptionCode();
|
||||
}
|
||||
_SEH_END;
|
||||
|
||||
if (!NT_SUCCESS(Status)) return Status;
|
||||
}
|
||||
|
||||
Status = ObReferenceObjectByHandle(FileHandle,
|
||||
FILE_WRITE_ATTRIBUTES,
|
||||
NULL,
|
||||
PreviousMode,
|
||||
(PVOID*)&FileObject,
|
||||
NULL);
|
||||
if (Status != STATUS_SUCCESS) return Status;
|
||||
|
||||
DeviceObject = FileObject->DeviceObject;
|
||||
|
||||
Irp = IoAllocateIrp(DeviceObject->StackSize,TRUE);
|
||||
if (!Irp)
|
||||
{
|
||||
ObDereferenceObject(FileObject);
|
||||
return STATUS_INSUFFICIENT_RESOURCES;
|
||||
}
|
||||
|
||||
SystemBuffer = ExAllocatePoolWithTag(NonPagedPool, Length, TAG_SYSB);
|
||||
if (!SystemBuffer)
|
||||
{
|
||||
Status = STATUS_INSUFFICIENT_RESOURCES;
|
||||
goto failfreeirp;
|
||||
}
|
||||
|
||||
if (PreviousMode != KernelMode)
|
||||
{
|
||||
_SEH_TRY
|
||||
{
|
||||
/* no need to probe again */
|
||||
RtlCopyMemory(SystemBuffer, FsInformation, Length);
|
||||
}
|
||||
_SEH_HANDLE
|
||||
{
|
||||
Status = _SEH_GetExceptionCode();
|
||||
}
|
||||
_SEH_END;
|
||||
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
ExFreePoolWithTag(SystemBuffer, TAG_SYSB);
|
||||
failfreeirp:
|
||||
IoFreeIrp(Irp);
|
||||
ObDereferenceObject(FileObject);
|
||||
return Status;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
RtlCopyMemory(SystemBuffer, FsInformation, Length);
|
||||
}
|
||||
|
||||
/* Trigger FileObject/Event dereferencing */
|
||||
Irp->Tail.Overlay.OriginalFileObject = FileObject;
|
||||
Irp->RequestorMode = PreviousMode;
|
||||
Irp->AssociatedIrp.SystemBuffer = SystemBuffer;
|
||||
KeResetEvent( &FileObject->Event );
|
||||
Irp->UserEvent = &FileObject->Event;
|
||||
Irp->UserIosb = IoStatusBlock;
|
||||
Irp->Tail.Overlay.Thread = PsGetCurrentThread();
|
||||
|
||||
StackPtr = IoGetNextIrpStackLocation(Irp);
|
||||
StackPtr->MajorFunction = IRP_MJ_SET_VOLUME_INFORMATION;
|
||||
StackPtr->MinorFunction = 0;
|
||||
StackPtr->Flags = 0;
|
||||
StackPtr->Control = 0;
|
||||
StackPtr->DeviceObject = DeviceObject;
|
||||
StackPtr->FileObject = FileObject;
|
||||
StackPtr->Parameters.SetVolume.Length = Length;
|
||||
StackPtr->Parameters.SetVolume.FsInformationClass =
|
||||
FsInformationClass;
|
||||
|
||||
Status = IoCallDriver(DeviceObject,Irp);
|
||||
if (Status == STATUS_PENDING)
|
||||
{
|
||||
KeWaitForSingleObject(&FileObject->Event,
|
||||
UserRequest,
|
||||
PreviousMode,
|
||||
FALSE,
|
||||
NULL);
|
||||
_SEH_TRY
|
||||
{
|
||||
Status = IoStatusBlock->Status;
|
||||
}
|
||||
_SEH_HANDLE
|
||||
{
|
||||
Status = _SEH_GetExceptionCode();
|
||||
}
|
||||
_SEH_END;
|
||||
}
|
||||
|
||||
ExFreePool(SystemBuffer);
|
||||
return Status;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue