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sys: IRP_MJ_CREATE

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This commit is contained in:
Bill Zissimopoulos 2015-12-05 00:36:07 -08:00
parent b5cf090144
commit 9888d24854
1 changed files with 16 additions and 6 deletions
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22
src/sys/create.c
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@ -312,7 +312,7 @@ NTSTATUS FspFsvolCreatePrepare(
FSP_FSVRT_DEVICE_EXTENSION *FsvrtDeviceExtension = FSP_FSVRT_DEVICE_EXTENSION *FsvrtDeviceExtension =
FspFsvrtDeviceExtension(FsvolDeviceExtension->FsvrtDeviceObject); FspFsvrtDeviceExtension(FsvolDeviceExtension->FsvrtDeviceObject);
/* if the user-mode file system is not doing access checks, there is nothing else to do */ /* is the user-mode file system doing access checks? */
if (!FsvrtDeviceExtension->VolumeParams.NoSystemAccessCheck) if (!FsvrtDeviceExtension->VolumeParams.NoSystemAccessCheck)
{ {
ASSERT(0 == Request->Req.Create.AccessToken); ASSERT(0 == Request->Req.Create.AccessToken);
@ -346,7 +346,7 @@ VOID FspFsvolCreateComplete(
PFILE_OBJECT FileObject = IrpSp->FileObject; PFILE_OBJECT FileObject = IrpSp->FileObject;
/* if the user-mode file system sent us a failure code, fail the request now */ /* did the user-mode file system sent us a failure code? */
if (!NT_SUCCESS(Response->IoStatus.Status)) if (!NT_SUCCESS(Response->IoStatus.Status))
{ {
FspFileContextDelete(FileObject->FsContext); FspFileContextDelete(FileObject->FsContext);
@ -356,14 +356,22 @@ VOID FspFsvolCreateComplete(
FSP_RETURN(); FSP_RETURN();
} }
PDEVICE_OBJECT DeviceObject = IrpSp->DeviceObject;
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject);
FSP_FSVRT_DEVICE_EXTENSION *FsvrtDeviceExtension =
FspFsvrtDeviceExtension(FsvolDeviceExtension->FsvrtDeviceObject);
/* are we doing access checks? */
if (FsvrtDeviceExtension->VolumeParams.NoSystemAccessCheck)
{
}
/* record the user-mode file system contexts */ /* record the user-mode file system contexts */
FSP_FILE_CONTEXT *FsContext = FileObject->FsContext; FSP_FILE_CONTEXT *FsContext = FileObject->FsContext;
FsContext->UserContext = Response->Rsp.Create.UserContext; FsContext->UserContext = Response->Rsp.Create.UserContext;
FileObject->FsContext2 = (PVOID)(UINT_PTR)Response->Rsp.Create.UserContext2; FileObject->FsContext2 = (PVOID)(UINT_PTR)Response->Rsp.Create.UserContext2;
/* insert the new FsContext into our generic table */ /* insert the new FsContext into our generic table */
PDEVICE_OBJECT DeviceObject = IrpSp->DeviceObject;
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject);
BOOLEAN Inserted; BOOLEAN Inserted;
ExAcquireResourceExclusiveLite(&FsvolDeviceExtension->Base.Resource, TRUE); ExAcquireResourceExclusiveLite(&FsvolDeviceExtension->Base.Resource, TRUE);
try try
@ -382,8 +390,7 @@ VOID FspFsvolCreateComplete(
if (0 == FsContext) if (0 == FsContext)
{ {
FspFsvolCreateClose(Irp, Response); FspFsvolCreateClose(Irp, Response);
Result = STATUS_INSUFFICIENT_RESOURCES; FSP_RETURN(Result = STATUS_INSUFFICIENT_RESOURCES);
FSP_RETURN();
} }
/* does an FsContext with the same UserContext already exist? */ /* does an FsContext with the same UserContext already exist? */
@ -393,6 +400,9 @@ VOID FspFsvolCreateComplete(
FileObject->FsContext = FsContext; FileObject->FsContext = FsContext;
} }
Irp->IoStatus.Information = Response->IoStatus.Information;
Result = Response->IoStatus.Status;
FSP_LEAVE_IOC( FSP_LEAVE_IOC(
"FileObject=%p[%p:\"%wZ\"]", "FileObject=%p[%p:\"%wZ\"]",
IrpSp->FileObject, IrpSp->FileObject->RelatedFileObject, IrpSp->FileObject->FileName); IrpSp->FileObject, IrpSp->FileObject->RelatedFileObject, IrpSp->FileObject->FileName);