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If the file object is for a device, we must gather some information

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from the object attribute (at least the OBJ_INHERIT flag). We cannot 
use IoCreateStreamFileObject because a handle from such a file object 
is never inheritable.

svn path=/trunk/; revision=17248
This commit is contained in:
Hartmut Birr 2005-08-09 19:12:46 +00:00
parent 2afd140d2a
commit 19f47fc57c
1 changed files with 42 additions and 2 deletions
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44
reactos/ntoskrnl/io/file.c
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@ -857,6 +857,10 @@ IoCreateFile(OUT PHANDLE FileHandle,
if (NT_SUCCESS(Status))
{
OBJECT_CREATE_INFORMATION ObjectCreateInfo;
OBJECT_ATTRIBUTES tmpObjectAttributes;
UNICODE_STRING ObjectName;
Status = ObReferenceObjectByHandle(LocalHandle,
DesiredAccess,
NULL,
@ -873,11 +877,47 @@ IoCreateFile(OUT PHANDLE FileHandle,
ObDereferenceObject (DeviceObject);
return STATUS_OBJECT_NAME_COLLISION;
}
Status = ObpCaptureObjectAttributes(ObjectAttributes,
AccessMode,
NULL,
&ObjectCreateInfo,
&ObjectName);
if (!NT_SUCCESS(Status))
{
ObDereferenceObject (DeviceObject);
return Status;
}
InitializeObjectAttributes(&tmpObjectAttributes,
NULL,
ObjectCreateInfo.Attributes & OBJ_INHERIT,
0,
NULL);
ObpReleaseCapturedAttributes(&ObjectCreateInfo);
if (ObjectName.Buffer) ExFreePool(ObjectName.Buffer);
/* FIXME: wt... */
FileObject = IoCreateStreamFileObject(NULL, DeviceObject);
Status = ObCreateObject(KernelMode,
IoFileObjectType,
&tmpObjectAttributes,
KernelMode,
NULL,
sizeof(FILE_OBJECT),
0,
0,
(PVOID*)&FileObject);
/* Set File Object Data */
FileObject->DeviceObject = IoGetAttachedDevice(DeviceObject);
FileObject->Vpb = FileObject->DeviceObject->Vpb;
/* HACK */
FileObject->Flags |= FO_DIRECT_DEVICE_OPEN;
DPRINT("%wZ\n", ObjectAttributes->ObjectName);
DPRINT1("%wZ\n", ObjectAttributes->ObjectName);
ObDereferenceObject (DeviceObject);
}