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https://github.com/reactos/reactos.git
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IoStatusBlock is _not_ an optional parameter.
Fixed synchronous file access bug in NtDeviceIoControlFile(). svn path=/trunk/; revision=6549
This commit is contained in:
Eric Kohl
parent
98682c7937
commit
261cc33f7f
3 changed files with 191 additions and 221 deletions
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@ -1,4 +1,4 @@
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/* $Id: create.c,v 1.68 2003/09/25 20:04:27 ekohl Exp $
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/* $Id: create.c,v 1.69 2003/11/06 18:05:54 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -327,7 +327,7 @@ NTSTATUS STDCALL
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IoCreateFile(OUT PHANDLE FileHandle,
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IN ACCESS_MASK DesiredAccess,
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IN POBJECT_ATTRIBUTES ObjectAttributes,
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OUT PIO_STATUS_BLOCK IoStatusBlock,
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OUT PIO_STATUS_BLOCK IoStatusBlock,
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IN PLARGE_INTEGER AllocationSize OPTIONAL,
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IN ULONG FileAttributes,
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IN ULONG ShareAccess,
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@ -343,7 +343,6 @@ IoCreateFile(OUT PHANDLE FileHandle,
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NTSTATUS Status;
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PIRP Irp;
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PIO_STACK_LOCATION StackLoc;
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IO_STATUS_BLOCK IoSB;
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IO_SECURITY_CONTEXT SecurityContext;
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DPRINT("IoCreateFile(FileHandle %x, DesiredAccess %x, "
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@ -352,7 +351,10 @@ IoCreateFile(OUT PHANDLE FileHandle,
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ObjectAttributes->ObjectName->Buffer);
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assert_irql(PASSIVE_LEVEL);
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if (IoStatusBlock == NULL)
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return STATUS_ACCESS_VIOLATION;
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*FileHandle = 0;
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Status = ObCreateObject(ExGetPreviousMode(),
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@ -420,7 +422,7 @@ IoCreateFile(OUT PHANDLE FileHandle,
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//trigger FileObject/Event dereferencing
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Irp->Tail.Overlay.OriginalFileObject = FileObject;
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Irp->UserIosb = &IoSB; //return iostatus
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Irp->UserIosb = IoStatusBlock;
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Irp->AssociatedIrp.SystemBuffer = EaBuffer;
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Irp->Tail.Overlay.AuxiliaryBuffer = (PCHAR)ExtraCreateParameters;
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Irp->Tail.Overlay.Thread = PsGetCurrentThread();
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@ -477,7 +479,7 @@ IoCreateFile(OUT PHANDLE FileHandle,
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KernelMode,
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FALSE,
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NULL);
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Status = IoSB.Status;
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Status = IoStatusBlock->Status;
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}
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if (!NT_SUCCESS(Status))
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{
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@ -487,10 +489,7 @@ IoCreateFile(OUT PHANDLE FileHandle,
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ZwClose(*FileHandle);
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}
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if (IoStatusBlock)
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{
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*IoStatusBlock = IoSB;
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}
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assert_irql(PASSIVE_LEVEL);
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DPRINT("Finished IoCreateFile() (*FileHandle) %x\n", (*FileHandle));
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@ -1,11 +1,11 @@
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/* $Id: ioctrl.c,v 1.18 2003/07/10 15:47:00 royce Exp $
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/* $Id: ioctrl.c,v 1.19 2003/11/06 18:05:54 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: ntoskrnl/io/ioctrl.c
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* PURPOSE: Device IO control
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* PROGRAMMER: David Welch (welch@mcmail.com)
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* Eric Kohl (ekohl@abo.rhein-zeitung.de)
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* Eric Kohl (ekohl@rz-online.de)
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* UPDATE HISTORY:
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* Created 22/05/98
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* Filled in ZwDeviceIoControlFile 22/02/99
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@ -25,99 +25,112 @@
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/*
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* @implemented
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*/
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NTSTATUS STDCALL NtDeviceIoControlFile (IN HANDLE DeviceHandle,
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IN HANDLE Event,
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IN PIO_APC_ROUTINE UserApcRoutine,
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IN PVOID UserApcContext,
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OUT PIO_STATUS_BLOCK IoStatusBlock,
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IN ULONG IoControlCode,
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IN PVOID InputBuffer,
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IN ULONG InputBufferSize,
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OUT PVOID OutputBuffer,
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IN ULONG OutputBufferSize)
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NTSTATUS STDCALL
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NtDeviceIoControlFile (IN HANDLE DeviceHandle,
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IN HANDLE Event OPTIONAL,
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IN PIO_APC_ROUTINE UserApcRoutine OPTIONAL,
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IN PVOID UserApcContext OPTIONAL,
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OUT PIO_STATUS_BLOCK IoStatusBlock,
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IN ULONG IoControlCode,
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IN PVOID InputBuffer,
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IN ULONG InputBufferLength OPTIONAL,
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OUT PVOID OutputBuffer,
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IN ULONG OutputBufferLength OPTIONAL)
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{
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NTSTATUS Status;
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PFILE_OBJECT FileObject;
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PDEVICE_OBJECT DeviceObject;
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PIRP Irp;
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PIO_STACK_LOCATION StackPtr;
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PKEVENT ptrEvent;
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IO_STATUS_BLOCK IoSB;
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NTSTATUS Status;
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PFILE_OBJECT FileObject;
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PDEVICE_OBJECT DeviceObject;
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PIRP Irp;
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PIO_STACK_LOCATION StackPtr;
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PKEVENT EventObject;
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DPRINT("NtDeviceIoControlFile(DeviceHandle %x Event %x UserApcRoutine %x "
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"UserApcContext %x IoStatusBlock %x IoControlCode %x "
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"InputBuffer %x InputBufferSize %x OutputBuffer %x "
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"OutputBufferSize %x)\n",
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DeviceHandle,Event,UserApcRoutine,UserApcContext,IoStatusBlock,
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IoControlCode,InputBuffer,InputBufferSize,OutputBuffer,
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OutputBufferSize);
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DPRINT("NtDeviceIoControlFile(DeviceHandle %x Event %x UserApcRoutine %x "
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"UserApcContext %x IoStatusBlock %x IoControlCode %x "
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"InputBuffer %x InputBufferLength %x OutputBuffer %x "
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"OutputBufferLength %x)\n",
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DeviceHandle,Event,UserApcRoutine,UserApcContext,IoStatusBlock,
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IoControlCode,InputBuffer,InputBufferLength,OutputBuffer,
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OutputBufferLength);
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Status = ObReferenceObjectByHandle(DeviceHandle,
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if (IoStatusBlock == NULL)
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return STATUS_ACCESS_VIOLATION;
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Status = ObReferenceObjectByHandle (DeviceHandle,
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FILE_READ_DATA | FILE_WRITE_DATA,
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IoFileObjectType,
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KernelMode,
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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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if (!NT_SUCCESS(Status))
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{
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return Status;
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}
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if (Event != NULL)
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{
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Status = ObReferenceObjectByHandle (Event,
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SYNCHRONIZE,
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ExEventObjectType,
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UserMode,
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(PVOID*)&EventObject,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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ObDereferenceObject (FileObject);
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return Status;
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}
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}
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if (Event != NULL)
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else
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{
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Status = ObReferenceObjectByHandle (Event,
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SYNCHRONIZE,
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ExEventObjectType,
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UserMode,
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(PVOID*)&ptrEvent,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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ObDereferenceObject(FileObject);
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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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KeResetEvent (&FileObject->Event);
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ptrEvent = &FileObject->Event;
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}
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EventObject = &FileObject->Event;
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KeResetEvent (EventObject);
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}
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DeviceObject = FileObject->DeviceObject;
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DeviceObject = FileObject->DeviceObject;
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Irp = IoBuildDeviceIoControlRequest(IoControlCode,
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Irp = IoBuildDeviceIoControlRequest (IoControlCode,
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DeviceObject,
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InputBuffer,
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InputBufferSize,
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InputBufferLength,
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OutputBuffer,
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OutputBufferSize,
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OutputBufferLength,
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FALSE,
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ptrEvent,
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Event ? IoStatusBlock : &IoSB);
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EventObject,
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IoStatusBlock);
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//trigger FileObject/Event dereferencing
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Irp->Tail.Overlay.OriginalFileObject = FileObject;
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/* Trigger FileObject/Event dereferencing */
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Irp->Tail.Overlay.OriginalFileObject = FileObject;
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Irp->Overlay.AsynchronousParameters.UserApcRoutine = UserApcRoutine;
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Irp->Overlay.AsynchronousParameters.UserApcContext = UserApcContext;
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Irp->Overlay.AsynchronousParameters.UserApcRoutine = UserApcRoutine;
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Irp->Overlay.AsynchronousParameters.UserApcContext = UserApcContext;
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StackPtr = IoGetNextIrpStackLocation(Irp);
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StackPtr->FileObject = FileObject;
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StackPtr->DeviceObject = DeviceObject;
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StackPtr->Parameters.DeviceIoControl.InputBufferLength = InputBufferSize;
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StackPtr->Parameters.DeviceIoControl.OutputBufferLength = OutputBufferSize;
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StackPtr = IoGetNextIrpStackLocation(Irp);
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StackPtr->FileObject = FileObject;
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StackPtr->DeviceObject = DeviceObject;
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StackPtr->Parameters.DeviceIoControl.InputBufferLength = InputBufferLength;
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StackPtr->Parameters.DeviceIoControl.OutputBufferLength = OutputBufferLength;
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Status = IoCallDriver(DeviceObject,Irp);
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if (Event == NULL && Status == STATUS_PENDING && !(FileObject->Flags & FO_SYNCHRONOUS_IO))
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{
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KeWaitForSingleObject(ptrEvent,Executive,KernelMode,FALSE,NULL);
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Status = IoSB.Status;
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}
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if (IoStatusBlock)
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{
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*IoStatusBlock = IoSB;
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}
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return(Status);
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Status = IoCallDriver(DeviceObject,Irp);
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if (Status == STATUS_PENDING && FileObject->Flags & FO_SYNCHRONOUS_IO)
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{
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BOOLEAN Alertable;
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Alertable = (FileObject->Flags & FO_ALERTABLE_IO) ? TRUE : FALSE;
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Status = KeWaitForSingleObject (EventObject,
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Executive,
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UserMode,
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Alertable,
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NULL);
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if (Status != STATUS_WAIT_0)
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{
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/* Wait failed. */
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return Status;
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}
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Status = IoStatusBlock->Status;
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}
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return Status;
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}
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/* EOF */
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@ -1,4 +1,4 @@
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/* $Id: rw.c,v 1.45 2003/07/11 01:23:14 royce Exp $
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/* $Id: rw.c,v 1.46 2003/11/06 18:05:54 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -35,28 +35,30 @@
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*
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* @implemented
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*/
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NTSTATUS STDCALL NtReadFile(HANDLE FileHandle,
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HANDLE EventHandle,
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PIO_APC_ROUTINE ApcRoutine,
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PVOID ApcContext,
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PIO_STATUS_BLOCK UserIoStatusBlock,
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PVOID Buffer,
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ULONG Length,
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PLARGE_INTEGER ByteOffset,
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PULONG Key)
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NTSTATUS STDCALL
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NtReadFile (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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OUT 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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NTSTATUS Status;
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PFILE_OBJECT FileObject;
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PIRP Irp;
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PIO_STACK_LOCATION StackPtr;
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PKEVENT Event = NULL;
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IO_STATUS_BLOCK Iosb;
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PIO_STATUS_BLOCK IoStatusBlock;
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PKEVENT EventObject = NULL;
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DPRINT("NtReadFile(FileHandle %x Buffer %x Length %x ByteOffset %x, "
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"IoStatusBlock %x)\n", FileHandle, Buffer, Length, ByteOffset,
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IoStatusBlock);
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if (IoStatusBlock == NULL)
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return STATUS_ACCESS_VIOLATION;
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Status = ObReferenceObjectByHandle(FileHandle,
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FILE_READ_DATA,
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IoFileObjectType,
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@ -67,19 +69,19 @@ NTSTATUS STDCALL NtReadFile(HANDLE FileHandle,
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{
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return(Status);
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}
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if (ByteOffset == NULL)
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{
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ByteOffset = &FileObject->CurrentByteOffset;
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}
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if (EventHandle != NULL)
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if (Event != NULL)
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{
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Status = ObReferenceObjectByHandle(EventHandle,
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Status = ObReferenceObjectByHandle(Event,
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SYNCHRONIZE,
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ExEventObjectType,
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UserMode,
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(PVOID*)&Event,
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(PVOID*)&EventObject,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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@ -88,35 +90,26 @@ NTSTATUS STDCALL NtReadFile(HANDLE FileHandle,
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}
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}
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else
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{
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Event = &FileObject->Event;
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KeResetEvent(Event);
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}
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if (FileObject->Flags & FO_SYNCHRONOUS_IO)
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{
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IoStatusBlock = &Iosb;
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}
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else
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{
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IoStatusBlock = UserIoStatusBlock;
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EventObject = &FileObject->Event;
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KeResetEvent(EventObject);
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}
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Irp = IoBuildSynchronousFsdRequest(IRP_MJ_READ,
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FileObject->DeviceObject,
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Buffer,
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Length,
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ByteOffset,
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Event,
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EventObject,
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IoStatusBlock);
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//trigger FileObject/Event dereferencing
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Irp->Tail.Overlay.OriginalFileObject = FileObject;
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/* Trigger FileObject/Event dereferencing */
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Irp->Tail.Overlay.OriginalFileObject = FileObject;
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Irp->Overlay.AsynchronousParameters.UserApcRoutine = ApcRoutine;
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Irp->Overlay.AsynchronousParameters.UserApcContext = ApcContext;
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StackPtr = IoGetNextIrpStackLocation(Irp);
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StackPtr->FileObject = FileObject;
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if (Key != NULL)
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@ -127,42 +120,28 @@ NTSTATUS STDCALL NtReadFile(HANDLE FileHandle,
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{
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StackPtr->Parameters.Read.Key = 0;
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}
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Status = IoCallDriver(FileObject->DeviceObject, Irp);
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if (Status == STATUS_PENDING && FileObject->Flags & FO_SYNCHRONOUS_IO)
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{
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BOOLEAN Alertable;
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if (FileObject->Flags & FO_ALERTABLE_IO)
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{
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Alertable = TRUE;
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}
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else
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{
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Alertable = FALSE;
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}
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Status = KeWaitForSingleObject(Event,
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{
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BOOLEAN Alertable;
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Alertable = (FileObject->Flags & FO_ALERTABLE_IO) ? TRUE : FALSE;
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Status = KeWaitForSingleObject (EventObject,
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Executive,
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UserMode,
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Alertable,
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NULL);
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if (Status != STATUS_WAIT_0)
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{
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/* Wait failed. */
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return(Status);
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}
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if (Status != STATUS_WAIT_0)
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{
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/* Wait failed. */
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return(Status);
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}
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Status = Iosb.Status;
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return(Status);
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}
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if (FileObject->Flags & FO_SYNCHRONOUS_IO)
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{
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*UserIoStatusBlock = Iosb;
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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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|
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@ -180,28 +159,30 @@ NTSTATUS STDCALL NtReadFile(HANDLE FileHandle,
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*
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* @implemented
|
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*/
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NTSTATUS STDCALL NtWriteFile(HANDLE FileHandle,
|
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HANDLE EventHandle,
|
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PIO_APC_ROUTINE ApcRoutine,
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PVOID ApcContext,
|
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PIO_STATUS_BLOCK UserIoStatusBlock,
|
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PVOID Buffer,
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ULONG Length,
|
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PLARGE_INTEGER ByteOffset,
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PULONG Key)
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NTSTATUS STDCALL
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NtWriteFile (IN HANDLE FileHandle,
|
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IN HANDLE EventHandle 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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NTSTATUS Status;
|
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PFILE_OBJECT FileObject;
|
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PIRP Irp;
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PIO_STACK_LOCATION StackPtr;
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PKEVENT Event = NULL;
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IO_STATUS_BLOCK Iosb;
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PIO_STATUS_BLOCK IoStatusBlock;
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PKEVENT EventObject = NULL;
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DPRINT("NtWriteFile(FileHandle %x Buffer %x Length %x ByteOffset %x, "
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"IoStatusBlock %x)\n", FileHandle, Buffer, Length, ByteOffset,
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IoStatusBlock);
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if (IoStatusBlock == NULL)
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return STATUS_ACCESS_VIOLATION;
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Status = ObReferenceObjectByHandle(FileHandle,
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FILE_READ_DATA,
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IoFileObjectType,
|
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|
|
@ -212,51 +193,41 @@ NTSTATUS STDCALL NtWriteFile(HANDLE FileHandle,
|
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{
|
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return(Status);
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}
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if (ByteOffset == NULL)
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{
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ByteOffset = &FileObject->CurrentByteOffset;
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}
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||||
|
||||
|
||||
if (EventHandle != NULL)
|
||||
{
|
||||
Status = ObReferenceObjectByHandle(EventHandle,
|
||||
SYNCHRONIZE,
|
||||
ExEventObjectType,
|
||||
UserMode,
|
||||
(PVOID*)&Event,
|
||||
(PVOID*)&EventObject,
|
||||
NULL);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
ObDereferenceObject(FileObject);
|
||||
return(Status);
|
||||
}
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
Event = &FileObject->Event;
|
||||
KeResetEvent(Event);
|
||||
}
|
||||
|
||||
if (FileObject->Flags & FO_SYNCHRONOUS_IO)
|
||||
{
|
||||
IoStatusBlock = &Iosb;
|
||||
}
|
||||
else
|
||||
{
|
||||
IoStatusBlock = UserIoStatusBlock;
|
||||
EventObject = &FileObject->Event;
|
||||
KeResetEvent(EventObject);
|
||||
}
|
||||
|
||||
|
||||
Irp = IoBuildSynchronousFsdRequest(IRP_MJ_WRITE,
|
||||
FileObject->DeviceObject,
|
||||
Buffer,
|
||||
Length,
|
||||
ByteOffset,
|
||||
Event,
|
||||
EventObject,
|
||||
IoStatusBlock);
|
||||
|
||||
//trigger FileObject/Event dereferencing
|
||||
|
||||
/* Trigger FileObject/Event dereferencing */
|
||||
Irp->Tail.Overlay.OriginalFileObject = FileObject;
|
||||
|
||||
Irp->Overlay.AsynchronousParameters.UserApcRoutine = ApcRoutine;
|
||||
|
|
@ -275,38 +246,25 @@ NTSTATUS STDCALL NtWriteFile(HANDLE FileHandle,
|
|||
|
||||
Status = IoCallDriver(FileObject->DeviceObject, Irp);
|
||||
if (Status == STATUS_PENDING && FileObject->Flags & FO_SYNCHRONOUS_IO)
|
||||
{
|
||||
BOOLEAN Alertable;
|
||||
|
||||
if (FileObject->Flags & FO_ALERTABLE_IO)
|
||||
{
|
||||
Alertable = TRUE;
|
||||
}
|
||||
else
|
||||
{
|
||||
Alertable = FALSE;
|
||||
}
|
||||
|
||||
Status = KeWaitForSingleObject(Event,
|
||||
{
|
||||
BOOLEAN Alertable;
|
||||
|
||||
Alertable = (FileObject->Flags & FO_ALERTABLE_IO) ? TRUE : FALSE;
|
||||
Status = KeWaitForSingleObject (EventObject,
|
||||
Executive,
|
||||
UserMode,
|
||||
Alertable,
|
||||
NULL);
|
||||
if (Status != STATUS_WAIT_0)
|
||||
{
|
||||
/* Wait failed. */
|
||||
return(Status);
|
||||
}
|
||||
if (Status != STATUS_WAIT_0)
|
||||
{
|
||||
/* Wait failed. */
|
||||
return(Status);
|
||||
}
|
||||
|
||||
Status = Iosb.Status;
|
||||
return(Status);
|
||||
}
|
||||
|
||||
if (FileObject->Flags & FO_SYNCHRONOUS_IO)
|
||||
{
|
||||
*UserIoStatusBlock = Iosb;
|
||||
Status = IoStatusBlock->Status;
|
||||
}
|
||||
return(Status);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -325,14 +283,14 @@ NTSTATUS STDCALL NtWriteFile(HANDLE FileHandle,
|
|||
NTSTATUS
|
||||
STDCALL
|
||||
NtReadFileScatter (
|
||||
IN HANDLE FileHandle,
|
||||
IN HANDLE Event OPTIONAL,
|
||||
IN PIO_APC_ROUTINE UserApcRoutine OPTIONAL,
|
||||
IN PVOID UserApcContext OPTIONAL,
|
||||
OUT PIO_STATUS_BLOCK UserIoStatusBlock,
|
||||
IN FILE_SEGMENT_ELEMENT BufferDescription [],
|
||||
IN ULONG BufferLength,
|
||||
IN PLARGE_INTEGER ByteOffset,
|
||||
IN HANDLE FileHandle,
|
||||
IN HANDLE Event OPTIONAL,
|
||||
IN PIO_APC_ROUTINE UserApcRoutine OPTIONAL,
|
||||
IN PVOID UserApcContext OPTIONAL,
|
||||
OUT PIO_STATUS_BLOCK UserIoStatusBlock,
|
||||
IN FILE_SEGMENT_ELEMENT BufferDescription [],
|
||||
IN ULONG BufferLength,
|
||||
IN PLARGE_INTEGER ByteOffset,
|
||||
IN PULONG Key OPTIONAL
|
||||
)
|
||||
{
|
||||
|
|
@ -355,14 +313,14 @@ NtReadFileScatter (
|
|||
NTSTATUS
|
||||
STDCALL
|
||||
NtWriteFileGather (
|
||||
IN HANDLE FileHandle,
|
||||
IN HANDLE Event OPTIONAL,
|
||||
IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
|
||||
IN PVOID ApcContext OPTIONAL,
|
||||
IN HANDLE FileHandle,
|
||||
IN HANDLE Event OPTIONAL,
|
||||
IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
|
||||
IN PVOID ApcContext OPTIONAL,
|
||||
OUT PIO_STATUS_BLOCK IoStatusBlock,
|
||||
IN FILE_SEGMENT_ELEMENT BufferDescription [],
|
||||
IN ULONG BufferLength,
|
||||
IN PLARGE_INTEGER ByteOffset,
|
||||
IN ULONG BufferLength,
|
||||
IN PLARGE_INTEGER ByteOffset,
|
||||
IN PULONG Key OPTIONAL
|
||||
)
|
||||
{
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue