mirror of
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bd779c1be5
* Move the DeviceExtension related asserts into a DBG block. svn path=/trunk/; revision=60665
644 lines
18 KiB
C
644 lines
18 KiB
C
/*
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* PROJECT: ReactOS kernel-mode tests
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* LICENSE: GPLv2+ - See COPYING in the top level directory
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* PURPOSE: Kernel-Mode Test Suite Driver
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* PROGRAMMER: Thomas Faber <thomas.faber@reactos.org>
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*/
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#include <ntddk.h>
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#include <ntifs.h>
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#include <ndk/ketypes.h>
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#include <ntstrsafe.h>
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#include <limits.h>
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#include <pseh/pseh2.h>
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#define NDEBUG
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#include <debug.h>
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#include <kmt_public.h>
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#define KMT_DEFINE_TEST_FUNCTIONS
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#include <kmt_test.h>
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/* Usermode callback definitions */
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typedef struct _KMT_USER_WORK_ENTRY
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{
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LIST_ENTRY ListEntry;
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KEVENT WorkDoneEvent;
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KMT_CALLBACK_REQUEST_PACKET Request;
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PKMT_RESPONSE Response;
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} KMT_USER_WORK_ENTRY, *PKMT_USER_WORK_ENTRY;
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typedef struct _KMT_USER_WORK_LIST
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{
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LIST_ENTRY ListHead;
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FAST_MUTEX Lock;
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KEVENT NewWorkEvent;
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} KMT_USER_WORK_LIST, *PKMT_USER_WORK_LIST;
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/* Prototypes */
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DRIVER_INITIALIZE DriverEntry;
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static DRIVER_UNLOAD DriverUnload;
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__drv_dispatchType(IRP_MJ_CREATE)
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static DRIVER_DISPATCH DriverCreate;
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__drv_dispatchType(IRP_MJ_CLEANUP)
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static DRIVER_DISPATCH DriverCleanup;
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__drv_dispatchType(IRP_MJ_CLOSE)
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static DRIVER_DISPATCH DriverClose;
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__drv_dispatchType(IRP_MJ_DEVICE_CONTROL)
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static DRIVER_DISPATCH DriverIoControl;
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static VOID KmtCleanUsermodeCallbacks(VOID);
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/* Globals */
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static PDEVICE_OBJECT MainDeviceObject;
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PDRIVER_OBJECT KmtDriverObject = NULL;
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static KMT_USER_WORK_LIST WorkList;
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static ULONG RequestId = 0;
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/* Entry */
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/**
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* @name DriverEntry
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*
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* Driver Entry point.
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*
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* @param DriverObject
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* Driver Object
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* @param RegistryPath
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* Driver Registry Path
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*
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* @return Status
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*/
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NTSTATUS
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NTAPI
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DriverEntry(
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IN PDRIVER_OBJECT DriverObject,
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IN PUNICODE_STRING RegistryPath)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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UNICODE_STRING DeviceName;
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PKMT_DEVICE_EXTENSION DeviceExtension;
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PKPRCB Prcb;
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PAGED_CODE();
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UNREFERENCED_PARAMETER(RegistryPath);
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DPRINT("DriverEntry\n");
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Prcb = KeGetCurrentPrcb();
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KmtIsCheckedBuild = (Prcb->BuildType & PRCB_BUILD_DEBUG) != 0;
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KmtIsMultiProcessorBuild = (Prcb->BuildType & PRCB_BUILD_UNIPROCESSOR) == 0;
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KmtDriverObject = DriverObject;
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RtlInitUnicodeString(&DeviceName, KMTEST_DEVICE_DRIVER_PATH);
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Status = IoCreateDevice(DriverObject, sizeof(KMT_DEVICE_EXTENSION),
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&DeviceName,
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FILE_DEVICE_UNKNOWN,
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FILE_DEVICE_SECURE_OPEN | FILE_READ_ONLY_DEVICE,
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FALSE, &MainDeviceObject);
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if (!NT_SUCCESS(Status))
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goto cleanup;
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DPRINT("DriverEntry. Created DeviceObject %p. DeviceExtension %p\n",
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MainDeviceObject, MainDeviceObject->DeviceExtension);
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DeviceExtension = MainDeviceObject->DeviceExtension;
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DeviceExtension->ResultBuffer = NULL;
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DeviceExtension->Mdl = NULL;
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DriverObject->DriverUnload = DriverUnload;
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DriverObject->MajorFunction[IRP_MJ_CREATE] = DriverCreate;
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DriverObject->MajorFunction[IRP_MJ_CLEANUP] = DriverCleanup;
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DriverObject->MajorFunction[IRP_MJ_CLOSE] = DriverClose;
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DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = DriverIoControl;
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ExInitializeFastMutex(&WorkList.Lock);
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KeInitializeEvent(&WorkList.NewWorkEvent, NotificationEvent, FALSE);
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InitializeListHead(&WorkList.ListHead);
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cleanup:
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if (MainDeviceObject && !NT_SUCCESS(Status))
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{
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IoDeleteDevice(MainDeviceObject);
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MainDeviceObject = NULL;
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}
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return Status;
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}
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/* Dispatch functions */
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/**
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* @name DriverUnload
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*
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* Driver cleanup funtion.
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*
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* @param DriverObject
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* Driver Object
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*/
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static
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VOID
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NTAPI
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DriverUnload(
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IN PDRIVER_OBJECT DriverObject)
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{
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PAGED_CODE();
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UNREFERENCED_PARAMETER(DriverObject);
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DPRINT("DriverUnload\n");
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KmtCleanUsermodeCallbacks();
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if (MainDeviceObject)
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{
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#if DBG
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PKMT_DEVICE_EXTENSION DeviceExtension = MainDeviceObject->DeviceExtension;
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ASSERT(!DeviceExtension->Mdl);
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ASSERT(!DeviceExtension->ResultBuffer);
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#endif
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ASSERT(!ResultBuffer);
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IoDeleteDevice(MainDeviceObject);
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}
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}
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/**
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* @name DriverCreate
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*
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* Driver Dispatch function for IRP_MJ_CREATE
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*
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* @param DeviceObject
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* Device Object
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* @param Irp
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* I/O request packet
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*
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* @return Status
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*/
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static
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NTSTATUS
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NTAPI
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DriverCreate(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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PIO_STACK_LOCATION IoStackLocation;
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PAGED_CODE();
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IoStackLocation = IoGetCurrentIrpStackLocation(Irp);
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DPRINT("DriverCreate. DeviceObject=%p, RequestorMode=%d, FileObject=%p, FsContext=%p, FsContext2=%p\n",
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DeviceObject, Irp->RequestorMode, IoStackLocation->FileObject,
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IoStackLocation->FileObject->FsContext, IoStackLocation->FileObject->FsContext2);
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Irp->IoStatus.Status = Status;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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/**
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* @name DriverCleanup
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*
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* Driver Dispatch function for IRP_MJ_CLEANUP
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*
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* @param DeviceObject
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* Device Object
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* @param Irp
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* I/O request packet
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*
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* @return Status
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*/
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static
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NTSTATUS
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NTAPI
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DriverCleanup(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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PIO_STACK_LOCATION IoStackLocation;
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PKMT_DEVICE_EXTENSION DeviceExtension;
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PAGED_CODE();
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IoStackLocation = IoGetCurrentIrpStackLocation(Irp);
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DPRINT("DriverCleanup. DeviceObject=%p, RequestorMode=%d, FileObject=%p, FsContext=%p, FsContext2=%p\n",
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DeviceObject, Irp->RequestorMode, IoStackLocation->FileObject,
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IoStackLocation->FileObject->FsContext, IoStackLocation->FileObject->FsContext2);
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ASSERT(IoStackLocation->FileObject->FsContext2 == NULL);
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DeviceExtension = DeviceObject->DeviceExtension;
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if (DeviceExtension->Mdl && IoStackLocation->FileObject->FsContext == DeviceExtension->Mdl)
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{
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MmUnlockPages(DeviceExtension->Mdl);
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IoFreeMdl(DeviceExtension->Mdl);
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DeviceExtension->Mdl = NULL;
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ResultBuffer = DeviceExtension->ResultBuffer = NULL;
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}
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else
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{
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ASSERT(IoStackLocation->FileObject->FsContext == NULL);
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}
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Irp->IoStatus.Status = Status;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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/**
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* @name DriverClose
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*
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* Driver Dispatch function for IRP_MJ_CLOSE
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*
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* @param DeviceObject
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* Device Object
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* @param Irp
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* I/O request packet
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*
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* @return Status
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*/
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static
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NTSTATUS
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NTAPI
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DriverClose(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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PAGED_CODE();
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DPRINT("DriverClose. DeviceObject=%p, RequestorMode=%d\n",
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DeviceObject, Irp->RequestorMode);
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Irp->IoStatus.Status = Status;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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/**
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* @name DriverIoControl
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*
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* Driver Dispatch function for IRP_MJ_DEVICE_CONTROL
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*
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* @param DeviceObject
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* Device Object
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* @param Irp
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* I/O request packet
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*
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* @return Status
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*/
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static
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NTSTATUS
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NTAPI
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DriverIoControl(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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PIO_STACK_LOCATION IoStackLocation;
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SIZE_T Length = 0;
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PAGED_CODE();
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IoStackLocation = IoGetCurrentIrpStackLocation(Irp);
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DPRINT("DriverIoControl. Code=0x%08X, DeviceObject=%p, FileObject=%p, FsContext=%p, FsContext2=%p\n",
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IoStackLocation->Parameters.DeviceIoControl.IoControlCode,
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DeviceObject, IoStackLocation->FileObject,
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IoStackLocation->FileObject->FsContext, IoStackLocation->FileObject->FsContext2);
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switch (IoStackLocation->Parameters.DeviceIoControl.IoControlCode)
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{
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case IOCTL_KMTEST_GET_TESTS:
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{
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PCKMT_TEST TestEntry;
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LPSTR OutputBuffer = Irp->AssociatedIrp.SystemBuffer;
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size_t Remaining = IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength;
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DPRINT("DriverIoControl. IOCTL_KMTEST_GET_TESTS, outlen=%lu\n",
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IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength);
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for (TestEntry = TestList; TestEntry->TestName; ++TestEntry)
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{
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RtlStringCbCopyExA(OutputBuffer, Remaining, TestEntry->TestName, &OutputBuffer, &Remaining, 0);
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if (Remaining)
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{
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*OutputBuffer++ = '\0';
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--Remaining;
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}
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}
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if (Remaining)
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{
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*OutputBuffer++ = '\0';
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--Remaining;
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}
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Length = IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength - Remaining;
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break;
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}
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case IOCTL_KMTEST_RUN_TEST:
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{
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ANSI_STRING TestName;
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PCKMT_TEST TestEntry;
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DPRINT("DriverIoControl. IOCTL_KMTEST_RUN_TEST, inlen=%lu, outlen=%lu\n",
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IoStackLocation->Parameters.DeviceIoControl.InputBufferLength,
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IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength);
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TestName.Length = TestName.MaximumLength = (USHORT)min(IoStackLocation->Parameters.DeviceIoControl.InputBufferLength, USHRT_MAX);
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TestName.Buffer = Irp->AssociatedIrp.SystemBuffer;
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DPRINT("DriverIoControl. Run test: %Z\n", &TestName);
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for (TestEntry = TestList; TestEntry->TestName; ++TestEntry)
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{
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ANSI_STRING EntryName;
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if (TestEntry->TestName[0] == '-')
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RtlInitAnsiString(&EntryName, TestEntry->TestName + 1);
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else
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RtlInitAnsiString(&EntryName, TestEntry->TestName);
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if (!RtlCompareString(&TestName, &EntryName, FALSE))
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{
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DPRINT1("DriverIoControl. Starting test %Z\n", &EntryName);
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TestEntry->TestFunction();
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DPRINT1("DriverIoControl. Finished test %Z\n", &EntryName);
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break;
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}
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}
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if (!TestEntry->TestName)
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Status = STATUS_OBJECT_NAME_INVALID;
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break;
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}
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case IOCTL_KMTEST_SET_RESULTBUFFER:
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{
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PKMT_DEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
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DPRINT("DriverIoControl. IOCTL_KMTEST_SET_RESULTBUFFER, buffer=%p, inlen=%lu, outlen=%lu\n",
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IoStackLocation->Parameters.DeviceIoControl.Type3InputBuffer,
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IoStackLocation->Parameters.DeviceIoControl.InputBufferLength,
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IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength);
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if (DeviceExtension->Mdl)
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{
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if (IoStackLocation->FileObject->FsContext != DeviceExtension->Mdl)
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{
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Status = STATUS_ACCESS_DENIED;
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break;
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}
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MmUnlockPages(DeviceExtension->Mdl);
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IoFreeMdl(DeviceExtension->Mdl);
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IoStackLocation->FileObject->FsContext = NULL;
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ResultBuffer = DeviceExtension->ResultBuffer = NULL;
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}
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DeviceExtension->Mdl = IoAllocateMdl(IoStackLocation->Parameters.DeviceIoControl.Type3InputBuffer,
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IoStackLocation->Parameters.DeviceIoControl.InputBufferLength,
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FALSE, FALSE, NULL);
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if (!DeviceExtension->Mdl)
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{
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Status = STATUS_INSUFFICIENT_RESOURCES;
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break;
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}
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_SEH2_TRY
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{
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MmProbeAndLockPages(DeviceExtension->Mdl, UserMode, IoModifyAccess);
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}
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_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
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{
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Status = _SEH2_GetExceptionCode();
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IoFreeMdl(DeviceExtension->Mdl);
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DeviceExtension->Mdl = NULL;
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break;
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} _SEH2_END;
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ResultBuffer = DeviceExtension->ResultBuffer = MmGetSystemAddressForMdlSafe(DeviceExtension->Mdl, NormalPagePriority);
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IoStackLocation->FileObject->FsContext = DeviceExtension->Mdl;
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DPRINT("DriverIoControl. ResultBuffer: %ld %ld %ld %ld\n",
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ResultBuffer->Successes, ResultBuffer->Failures,
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ResultBuffer->LogBufferLength, ResultBuffer->LogBufferMaxLength);
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break;
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}
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case IOCTL_KMTEST_USERMODE_AWAIT_REQ:
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{
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PLIST_ENTRY Entry;
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PKMT_USER_WORK_ENTRY WorkItem;
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DPRINT("DriverIoControl. IOCTL_KMTEST_USERMODE_AWAIT_REQ, len=%lu\n",
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IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength);
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/* TODO: prevent multiple concurrent invocations */
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Status = KeWaitForSingleObject(&WorkList.NewWorkEvent, UserRequest, UserMode, FALSE, NULL);
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if (Status == STATUS_USER_APC || Status == STATUS_KERNEL_APC)
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break;
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if (IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength < sizeof(KMT_CALLBACK_REQUEST_PACKET))
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{
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Status = STATUS_INVALID_BUFFER_SIZE;
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break;
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}
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ASSERT(!IsListEmpty(&WorkList.ListHead));
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Entry = WorkList.ListHead.Flink;
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WorkItem = CONTAINING_RECORD(Entry, KMT_USER_WORK_ENTRY, ListEntry);
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Length = sizeof(WorkItem->Request);
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RtlCopyMemory(Irp->AssociatedIrp.SystemBuffer, &WorkItem->Request, Length);
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Status = STATUS_SUCCESS;
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KeResetEvent(&WorkList.NewWorkEvent);
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break;
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}
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case IOCTL_KMTEST_USERMODE_SEND_RESPONSE:
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{
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PLIST_ENTRY Entry;
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PKMT_USER_WORK_ENTRY WorkEntry;
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PVOID Response;
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ULONG ResponseSize = IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength;
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DPRINT("DriverIoControl. IOCTL_KMTEST_USERMODE_SEND_RESPONSE, inlen=%lu, outlen=%lu\n",
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IoStackLocation->Parameters.DeviceIoControl.InputBufferLength,
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IoStackLocation->Parameters.DeviceIoControl.OutputBufferLength);
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if (IoStackLocation->Parameters.DeviceIoControl.InputBufferLength != sizeof(ULONG) || ResponseSize != sizeof(KMT_RESPONSE))
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{
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Status = STATUS_INVALID_BUFFER_SIZE;
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break;
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}
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/* FIXME: don't misuse the output buffer as an input! */
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Response = MmGetSystemAddressForMdlSafe(Irp->MdlAddress, NormalPagePriority);
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if (Response == NULL)
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{
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Status = STATUS_INSUFFICIENT_RESOURCES;
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break;
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}
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ExAcquireFastMutex(&WorkList.Lock);
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Status = STATUS_OBJECTID_NOT_FOUND;
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Entry = WorkList.ListHead.Flink;
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while (Entry != &WorkList.ListHead)
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{
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WorkEntry = CONTAINING_RECORD(Entry, KMT_USER_WORK_ENTRY, ListEntry);
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if (WorkEntry->Request.RequestId == *(PULONG)Irp->AssociatedIrp.SystemBuffer)
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{
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WorkEntry->Response = ExAllocatePoolWithTag(PagedPool, sizeof(KMT_RESPONSE), 'pseR');
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if (WorkEntry->Response == NULL)
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{
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Status = STATUS_INSUFFICIENT_RESOURCES;
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break;
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}
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RtlCopyMemory(WorkEntry->Response, Response, ResponseSize);
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KeSetEvent(&WorkEntry->WorkDoneEvent, IO_NO_INCREMENT, FALSE);
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Status = STATUS_SUCCESS;
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break;
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}
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Entry = Entry->Flink;
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}
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ExReleaseFastMutex(&WorkList.Lock);
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break;
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}
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default:
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DPRINT1("DriverIoControl. Invalid IoCtl code 0x%08X\n",
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IoStackLocation->Parameters.DeviceIoControl.IoControlCode);
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Status = STATUS_INVALID_DEVICE_REQUEST;
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break;
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}
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Irp->IoStatus.Status = Status;
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Irp->IoStatus.Information = Length;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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/**
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* @name KmtUserModeCallback
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*
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* Enqueue a request to the usermode callback queue and blocks until the work
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* is finished.
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*
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* @param Operation
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* TODO
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* @param Parameters
|
|
* TODO
|
|
* TODO: why is this PVOID?
|
|
*
|
|
* @return Response from user mode
|
|
*/
|
|
PKMT_RESPONSE
|
|
KmtUserModeCallback(
|
|
IN KMT_CALLBACK_INFORMATION_CLASS Operation,
|
|
IN PVOID Parameters)
|
|
{
|
|
PKMT_RESPONSE Result;
|
|
NTSTATUS Status;
|
|
PKMT_USER_WORK_ENTRY WorkEntry;
|
|
LARGE_INTEGER Timeout;
|
|
|
|
PAGED_CODE();
|
|
|
|
WorkEntry = ExAllocatePoolWithTag(PagedPool, sizeof(KMT_USER_WORK_ENTRY), 'ekrW');
|
|
if (WorkEntry == NULL)
|
|
return NULL;
|
|
|
|
KeInitializeEvent(&WorkEntry->WorkDoneEvent, NotificationEvent, FALSE);
|
|
WorkEntry->Request.RequestId = RequestId++;
|
|
WorkEntry->Request.OperationClass = Operation;
|
|
WorkEntry->Request.Parameters = Parameters;
|
|
WorkEntry->Response = NULL;
|
|
|
|
ExAcquireFastMutex(&WorkList.Lock);
|
|
InsertTailList(&WorkList.ListHead, &WorkEntry->ListEntry);
|
|
ExReleaseFastMutex(&WorkList.Lock);
|
|
|
|
KeSetEvent(&WorkList.NewWorkEvent, IO_NO_INCREMENT, FALSE);
|
|
|
|
Timeout.QuadPart = -10 * 1000 * 1000 * 10; //wait for 10 seconds
|
|
Status = KeWaitForSingleObject(&WorkEntry->WorkDoneEvent, Executive, UserMode, FALSE, &Timeout);
|
|
|
|
if (Status == STATUS_USER_APC || Status == STATUS_KERNEL_APC || Status == STATUS_TIMEOUT)
|
|
{
|
|
DPRINT1("Unexpected callback abortion! Reason: %lx\n", Status);
|
|
}
|
|
|
|
ExAcquireFastMutex(&WorkList.Lock);
|
|
RemoveEntryList(&WorkEntry->ListEntry);
|
|
ExReleaseFastMutex(&WorkList.Lock);
|
|
|
|
Result = WorkEntry->Response;
|
|
|
|
ExFreePoolWithTag(WorkEntry, 'ekrW');
|
|
|
|
return Result;
|
|
}
|
|
|
|
/**
|
|
* @name KmtFreeCallbackResponse
|
|
*
|
|
* TODO
|
|
*
|
|
* @param Response
|
|
* TODO
|
|
*/
|
|
VOID
|
|
KmtFreeCallbackResponse(
|
|
PKMT_RESPONSE Response)
|
|
{
|
|
PAGED_CODE();
|
|
|
|
ExFreePoolWithTag(Response, 'pseR');
|
|
}
|
|
|
|
/**
|
|
* @name KmtCleanUsermodeCallbacks
|
|
*
|
|
* TODO
|
|
*/
|
|
static
|
|
VOID
|
|
KmtCleanUsermodeCallbacks(VOID)
|
|
{
|
|
PLIST_ENTRY Entry;
|
|
|
|
PAGED_CODE();
|
|
|
|
ExAcquireFastMutex(&WorkList.Lock);
|
|
|
|
Entry = WorkList.ListHead.Flink;
|
|
while (Entry != &WorkList.ListHead)
|
|
{
|
|
PKMT_USER_WORK_ENTRY WorkEntry = CONTAINING_RECORD(Entry, KMT_USER_WORK_ENTRY, ListEntry);
|
|
if (WorkEntry->Response != NULL)
|
|
{
|
|
KmtFreeCallbackResponse(WorkEntry->Response);
|
|
}
|
|
|
|
Entry = Entry->Flink;
|
|
|
|
ExFreePoolWithTag(WorkEntry, 'ekrW');
|
|
}
|
|
|
|
ExReleaseFastMutex(&WorkList.Lock);
|
|
}
|