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533 lines
17 KiB
C
533 lines
17 KiB
C
/*
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* PROJECT: ReactOS kernel-mode tests
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* LICENSE: LGPLv2.1+ - See COPYING.LIB in the top level directory
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* PURPOSE: Test driver for CcSetFileSizes function
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* PROGRAMMER: Pierre Schweitzer <pierre@reactos.org>
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*/
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#include <kmt_test.h>
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#define NDEBUG
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#include <debug.h>
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#define IOCTL_START_TEST 1
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#define IOCTL_FINISH_TEST 2
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typedef struct _TEST_FCB
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{
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FSRTL_ADVANCED_FCB_HEADER Header;
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SECTION_OBJECT_POINTERS SectionObjectPointers;
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FAST_MUTEX HeaderMutex;
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} TEST_FCB, *PTEST_FCB;
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static ULONG TestTestId = -1;
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static PFILE_OBJECT TestFileObject;
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static PDEVICE_OBJECT TestDeviceObject;
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static KMT_IRP_HANDLER TestIrpHandler;
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static KMT_MESSAGE_HANDLER TestMessageHandler;
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static BOOLEAN TestUnpin = FALSE;
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static BOOLEAN TestSizing = FALSE;
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static BOOLEAN TestDirtying = FALSE;
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static BOOLEAN TestUncaching = FALSE;
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static BOOLEAN TestWritten = FALSE;
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NTSTATUS
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TestEntry(
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_In_ PDRIVER_OBJECT DriverObject,
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_In_ PCUNICODE_STRING RegistryPath,
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_Out_ PCWSTR *DeviceName,
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_Inout_ INT *Flags)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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PAGED_CODE();
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UNREFERENCED_PARAMETER(RegistryPath);
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*DeviceName = L"CcSetFileSizes";
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*Flags = TESTENTRY_NO_EXCLUSIVE_DEVICE |
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TESTENTRY_BUFFERED_IO_DEVICE |
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TESTENTRY_NO_READONLY_DEVICE;
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KmtRegisterIrpHandler(IRP_MJ_READ, NULL, TestIrpHandler);
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KmtRegisterIrpHandler(IRP_MJ_WRITE, NULL, TestIrpHandler);
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KmtRegisterMessageHandler(0, NULL, TestMessageHandler);
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return Status;
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}
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VOID
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TestUnload(
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_In_ PDRIVER_OBJECT DriverObject)
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{
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PAGED_CODE();
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}
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BOOLEAN
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NTAPI
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AcquireForLazyWrite(
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_In_ PVOID Context,
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_In_ BOOLEAN Wait)
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{
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return TRUE;
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}
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VOID
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NTAPI
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ReleaseFromLazyWrite(
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_In_ PVOID Context)
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{
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return;
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}
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BOOLEAN
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NTAPI
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AcquireForReadAhead(
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_In_ PVOID Context,
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_In_ BOOLEAN Wait)
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{
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return TRUE;
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}
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VOID
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NTAPI
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ReleaseFromReadAhead(
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_In_ PVOID Context)
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{
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return;
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}
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static CACHE_MANAGER_CALLBACKS Callbacks = {
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AcquireForLazyWrite,
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ReleaseFromLazyWrite,
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AcquireForReadAhead,
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ReleaseFromReadAhead,
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};
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static CC_FILE_SIZES NewFileSizes = {
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RTL_CONSTANT_LARGE_INTEGER((LONGLONG)VACB_MAPPING_GRANULARITY), // .AllocationSize
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RTL_CONSTANT_LARGE_INTEGER((LONGLONG)VACB_MAPPING_GRANULARITY), // .FileSize
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RTL_CONSTANT_LARGE_INTEGER((LONGLONG)VACB_MAPPING_GRANULARITY) // .ValidDataLength
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};
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static
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PVOID
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MapAndLockUserBuffer(
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_In_ _Out_ PIRP Irp,
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_In_ ULONG BufferLength)
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{
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PMDL Mdl;
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if (Irp->MdlAddress == NULL)
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{
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Mdl = IoAllocateMdl(Irp->UserBuffer, BufferLength, FALSE, FALSE, Irp);
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if (Mdl == NULL)
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{
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return NULL;
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}
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_SEH2_TRY
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{
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MmProbeAndLockPages(Mdl, Irp->RequestorMode, IoWriteAccess);
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}
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_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
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{
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IoFreeMdl(Mdl);
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Irp->MdlAddress = NULL;
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_SEH2_YIELD(return NULL);
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}
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_SEH2_END;
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}
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return MmGetSystemAddressForMdlSafe(Irp->MdlAddress, NormalPagePriority);
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}
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static
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VOID
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PerformTest(
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ULONG TestId,
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PDEVICE_OBJECT DeviceObject)
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{
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PVOID Bcb;
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BOOLEAN Ret;
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PULONG Buffer;
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PTEST_FCB Fcb;
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LARGE_INTEGER Offset;
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IO_STATUS_BLOCK IoStatus;
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ok_eq_pointer(TestFileObject, NULL);
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ok_eq_pointer(TestDeviceObject, NULL);
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ok_eq_ulong(TestTestId, -1);
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TestWritten = FALSE;
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TestDeviceObject = DeviceObject;
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TestTestId = TestId;
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TestFileObject = IoCreateStreamFileObject(NULL, DeviceObject);
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if (!skip(TestFileObject != NULL, "Failed to allocate FO\n"))
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{
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Fcb = ExAllocatePool(NonPagedPool, sizeof(TEST_FCB));
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if (!skip(Fcb != NULL, "ExAllocatePool failed\n"))
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{
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RtlZeroMemory(Fcb, sizeof(TEST_FCB));
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ExInitializeFastMutex(&Fcb->HeaderMutex);
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FsRtlSetupAdvancedHeader(&Fcb->Header, &Fcb->HeaderMutex);
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TestFileObject->FsContext = Fcb;
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TestFileObject->SectionObjectPointer = &Fcb->SectionObjectPointers;
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Fcb->Header.AllocationSize.QuadPart = VACB_MAPPING_GRANULARITY;
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Fcb->Header.FileSize.QuadPart = VACB_MAPPING_GRANULARITY - PAGE_SIZE;
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Fcb->Header.ValidDataLength.QuadPart = VACB_MAPPING_GRANULARITY - PAGE_SIZE;
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if ((TestId > 1 && TestId < 4) || TestId == 5)
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{
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Fcb->Header.AllocationSize.QuadPart = VACB_MAPPING_GRANULARITY - PAGE_SIZE;
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}
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KmtStartSeh();
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CcInitializeCacheMap(TestFileObject, (PCC_FILE_SIZES)&Fcb->Header.AllocationSize, TRUE, &Callbacks, NULL);
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KmtEndSeh(STATUS_SUCCESS);
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if (!skip(CcIsFileCached(TestFileObject) == TRUE, "CcInitializeCacheMap failed\n"))
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{
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trace("Starting test: %d\n", TestId);
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if (TestId == 0 || TestId == 2)
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{
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Offset.QuadPart = 0;
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KmtStartSeh();
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Ret = CcMapData(TestFileObject, &Offset, VACB_MAPPING_GRANULARITY - PAGE_SIZE, MAP_WAIT, &Bcb, (PVOID *)&Buffer);
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KmtEndSeh(STATUS_SUCCESS);
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if (!skip(Ret == TRUE, "CcMapData failed\n"))
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{
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ok_eq_ulong(Buffer[(VACB_MAPPING_GRANULARITY - PAGE_SIZE - sizeof(ULONG)) / sizeof(ULONG)], 0xBABABABA);
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CcUnpinData(Bcb);
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}
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KmtStartSeh();
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CcSetFileSizes(TestFileObject, &NewFileSizes);
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KmtEndSeh(STATUS_SUCCESS);
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Fcb->Header.AllocationSize.QuadPart = VACB_MAPPING_GRANULARITY;
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Fcb->Header.FileSize.QuadPart = VACB_MAPPING_GRANULARITY;
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Offset.QuadPart = 0;
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KmtStartSeh();
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Ret = CcMapData(TestFileObject, &Offset, VACB_MAPPING_GRANULARITY, MAP_WAIT, &Bcb, (PVOID *)&Buffer);
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KmtEndSeh(STATUS_SUCCESS);
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if (!skip(Ret == TRUE, "CcMapData failed\n"))
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{
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ok_eq_ulong(Buffer[(VACB_MAPPING_GRANULARITY - sizeof(ULONG)) / sizeof(ULONG)], 0xBABABABA);
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CcUnpinData(Bcb);
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}
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}
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else if (TestId == 1 || TestId == 3)
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{
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Buffer = ExAllocatePool(NonPagedPool, PAGE_SIZE);
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if (!skip(Buffer != NULL, "ExAllocatePool failed\n"))
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{
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Ret = FALSE;
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Offset.QuadPart = VACB_MAPPING_GRANULARITY - 2 * PAGE_SIZE;
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KmtStartSeh();
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Ret = CcCopyRead(TestFileObject, &Offset, PAGE_SIZE, TRUE, Buffer, &IoStatus);
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KmtEndSeh(STATUS_SUCCESS);
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ok_eq_ulong(Buffer[(PAGE_SIZE - sizeof(ULONG)) / sizeof(ULONG)], 0xBABABABA);
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KmtStartSeh();
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CcSetFileSizes(TestFileObject, &NewFileSizes);
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KmtEndSeh(STATUS_SUCCESS);
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Fcb->Header.AllocationSize.QuadPart = VACB_MAPPING_GRANULARITY;
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Fcb->Header.FileSize.QuadPart = VACB_MAPPING_GRANULARITY;
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RtlZeroMemory(Buffer, PAGE_SIZE);
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Offset.QuadPart = VACB_MAPPING_GRANULARITY - PAGE_SIZE;
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KmtStartSeh();
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Ret = CcCopyRead(TestFileObject, &Offset, PAGE_SIZE, TRUE, Buffer, &IoStatus);
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KmtEndSeh(STATUS_SUCCESS);
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ok_eq_ulong(Buffer[(PAGE_SIZE - sizeof(ULONG)) / sizeof(ULONG)], 0xBABABABA);
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ExFreePool(Buffer);
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}
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}
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else if (TestId == 4 || TestId == 5)
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{
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/* Kill lazy writer */
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CcSetAdditionalCacheAttributes(TestFileObject, FALSE, TRUE);
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Offset.QuadPart = 0;
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KmtStartSeh();
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Ret = CcPinRead(TestFileObject, &Offset, VACB_MAPPING_GRANULARITY - PAGE_SIZE, MAP_WAIT, &Bcb, (PVOID *)&Buffer);
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KmtEndSeh(STATUS_SUCCESS);
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if (!skip(Ret == TRUE, "CcPinRead failed\n"))
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{
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LARGE_INTEGER Flushed;
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ok_eq_ulong(Buffer[(VACB_MAPPING_GRANULARITY - PAGE_SIZE - sizeof(ULONG)) / sizeof(ULONG)], 0xBABABABA);
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Buffer[(VACB_MAPPING_GRANULARITY - PAGE_SIZE - sizeof(ULONG)) / sizeof(ULONG)] = 0xDADADADA;
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TestDirtying = TRUE;
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CcSetDirtyPinnedData(Bcb, NULL);
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TestDirtying = FALSE;
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ok_bool_false(TestWritten, "Dirty VACB has been unexpectedly written!\n");
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TestSizing = TRUE;
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KmtStartSeh();
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CcSetFileSizes(TestFileObject, &NewFileSizes);
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KmtEndSeh(STATUS_SUCCESS);
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TestSizing = FALSE;
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ok_bool_false(TestWritten, "Dirty VACB has been unexpectedly written!\n");
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Fcb->Header.AllocationSize.QuadPart = VACB_MAPPING_GRANULARITY;
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Fcb->Header.FileSize.QuadPart = VACB_MAPPING_GRANULARITY;
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Flushed = CcGetFlushedValidData(TestFileObject->SectionObjectPointer, FALSE);
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ok(Flushed.QuadPart == 0, "Flushed: %I64d\n", Flushed.QuadPart);
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TestUnpin = TRUE;
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CcUnpinData(Bcb);
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TestUnpin = FALSE;
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ok_bool_false(TestWritten, "Dirty VACB has been unexpectedly written!\n");
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Offset.QuadPart = 0;
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KmtStartSeh();
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Ret = CcMapData(TestFileObject, &Offset, VACB_MAPPING_GRANULARITY, MAP_WAIT, &Bcb, (PVOID *)&Buffer);
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KmtEndSeh(STATUS_SUCCESS);
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if (!skip(Ret == TRUE, "CcMapData failed\n"))
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{
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ok_eq_ulong(Buffer[(VACB_MAPPING_GRANULARITY - PAGE_SIZE - sizeof(ULONG)) / sizeof(ULONG)], 0xDADADADA);
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ok_eq_ulong(Buffer[(VACB_MAPPING_GRANULARITY - sizeof(ULONG)) / sizeof(ULONG)], 0xBABABABA);
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CcUnpinData(Bcb);
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ok_bool_false(TestWritten, "Dirty VACB has been unexpectedly written!\n");
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}
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}
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}
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}
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}
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}
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}
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static
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VOID
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CleanupTest(
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ULONG TestId,
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PDEVICE_OBJECT DeviceObject)
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{
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LARGE_INTEGER Zero = RTL_CONSTANT_LARGE_INTEGER(0LL);
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CACHE_UNINITIALIZE_EVENT CacheUninitEvent;
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ok_eq_pointer(TestDeviceObject, DeviceObject);
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ok_eq_ulong(TestTestId, TestId);
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if (!skip(TestFileObject != NULL, "No test FO\n"))
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{
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if (CcIsFileCached(TestFileObject))
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{
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TestUncaching = TRUE;
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KeInitializeEvent(&CacheUninitEvent.Event, NotificationEvent, FALSE);
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CcUninitializeCacheMap(TestFileObject, &Zero, &CacheUninitEvent);
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KeWaitForSingleObject(&CacheUninitEvent.Event, Executive, KernelMode, FALSE, NULL);
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TestUncaching = FALSE;
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}
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if (TestFileObject->FsContext != NULL)
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{
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ExFreePool(TestFileObject->FsContext);
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TestFileObject->FsContext = NULL;
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TestFileObject->SectionObjectPointer = NULL;
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}
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ObDereferenceObject(TestFileObject);
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}
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TestFileObject = NULL;
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TestDeviceObject = NULL;
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TestTestId = -1;
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}
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static
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NTSTATUS
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TestMessageHandler(
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_In_ PDEVICE_OBJECT DeviceObject,
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_In_ ULONG ControlCode,
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_In_opt_ PVOID Buffer,
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_In_ SIZE_T InLength,
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_Inout_ PSIZE_T OutLength)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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FsRtlEnterFileSystem();
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switch (ControlCode)
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{
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case IOCTL_START_TEST:
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ok_eq_ulong((ULONG)InLength, sizeof(ULONG));
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PerformTest(*(PULONG)Buffer, DeviceObject);
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break;
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case IOCTL_FINISH_TEST:
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ok_eq_ulong((ULONG)InLength, sizeof(ULONG));
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CleanupTest(*(PULONG)Buffer, DeviceObject);
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break;
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default:
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Status = STATUS_NOT_IMPLEMENTED;
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break;
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}
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FsRtlExitFileSystem();
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return Status;
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}
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static
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NTSTATUS
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TestIrpHandler(
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_In_ PDEVICE_OBJECT DeviceObject,
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_In_ PIRP Irp,
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_In_ PIO_STACK_LOCATION IoStack)
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{
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NTSTATUS Status;
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PAGED_CODE();
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DPRINT("IRP %x/%x\n", IoStack->MajorFunction, IoStack->MinorFunction);
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ASSERT(IoStack->MajorFunction == IRP_MJ_READ ||
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IoStack->MajorFunction == IRP_MJ_WRITE);
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FsRtlEnterFileSystem();
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Status = STATUS_NOT_SUPPORTED;
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Irp->IoStatus.Information = 0;
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if (IoStack->MajorFunction == IRP_MJ_READ)
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{
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PMDL Mdl;
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ULONG Length;
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PTEST_FCB Fcb;
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LARGE_INTEGER Offset;
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PVOID Buffer, OrigBuffer;
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Offset = IoStack->Parameters.Read.ByteOffset;
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Length = IoStack->Parameters.Read.Length;
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Fcb = IoStack->FileObject->FsContext;
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ok_eq_pointer(DeviceObject, TestDeviceObject);
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ok_eq_pointer(IoStack->FileObject, TestFileObject);
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ok(Fcb != NULL, "Null FCB\n");
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ok(FlagOn(Irp->Flags, IRP_NOCACHE), "Not coming from Cc\n");
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ok_irql(APC_LEVEL);
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ok((Offset.QuadPart % PAGE_SIZE == 0 || Offset.QuadPart == 0), "Offset is not aligned: %I64i\n", Offset.QuadPart);
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ok(Length % PAGE_SIZE == 0, "Length is not aligned: %I64i\n", Length);
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ok(Irp->AssociatedIrp.SystemBuffer == NULL, "A SystemBuffer was allocated!\n");
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OrigBuffer = Buffer = MapAndLockUserBuffer(Irp, Length);
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ok(Buffer != NULL, "Null pointer!\n");
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if (Offset.QuadPart < Fcb->Header.FileSize.QuadPart)
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{
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RtlFillMemory(Buffer, min(Length, Fcb->Header.FileSize.QuadPart - Offset.QuadPart), 0xBA);
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Buffer = (PVOID)((ULONG_PTR)Buffer + (ULONG_PTR)min(Length, Fcb->Header.FileSize.QuadPart - Offset.QuadPart));
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if (Length > (Fcb->Header.FileSize.QuadPart - Offset.QuadPart))
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{
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RtlFillMemory(Buffer, Length - Fcb->Header.FileSize.QuadPart, 0xBD);
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}
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}
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else
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{
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RtlFillMemory(Buffer, Length, 0xBD);
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}
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if ((TestTestId == 4 || TestTestId == 5) && TestWritten &&
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Offset.QuadPart <= VACB_MAPPING_GRANULARITY - PAGE_SIZE - sizeof(ULONG) &&
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Offset.QuadPart + Length >= VACB_MAPPING_GRANULARITY - PAGE_SIZE)
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{
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Buffer = (PVOID)((ULONG_PTR)OrigBuffer + (VACB_MAPPING_GRANULARITY - PAGE_SIZE - sizeof(ULONG)));
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RtlFillMemory(Buffer, sizeof(ULONG), 0xDA);
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}
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Status = STATUS_SUCCESS;
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Mdl = Irp->MdlAddress;
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ok(Mdl != NULL, "Null pointer for MDL!\n");
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ok((Mdl->MdlFlags & MDL_PAGES_LOCKED) != 0, "MDL not locked\n");
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ok((Mdl->MdlFlags & MDL_SOURCE_IS_NONPAGED_POOL) == 0, "MDL from non paged\n");
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ok((Mdl->MdlFlags & MDL_IO_PAGE_READ) != 0, "Non paging IO\n");
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ok((Irp->Flags & IRP_PAGING_IO) != 0, "Non paging IO\n");
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Irp->IoStatus.Information = Length;
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}
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else if (IoStack->MajorFunction == IRP_MJ_WRITE)
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{
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PMDL Mdl;
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ULONG Length;
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PVOID Buffer;
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LARGE_INTEGER Offset;
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Offset = IoStack->Parameters.Write.ByteOffset;
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Length = IoStack->Parameters.Write.Length;
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ok((TestTestId == 4 || TestTestId == 5), "Unexpected test id: %d\n", TestTestId);
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ok_eq_pointer(DeviceObject, TestDeviceObject);
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ok_eq_pointer(IoStack->FileObject, TestFileObject);
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ok_bool_false(TestUnpin, "Write triggered while unpinning!\n");
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ok_bool_false(TestSizing, "Write triggered while sizing!\n");
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ok_bool_false(TestDirtying, "Write triggered while dirtying!\n");
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ok_bool_true(TestUncaching, "Write not triggered while uncaching!\n");
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ok(FlagOn(Irp->Flags, IRP_NOCACHE), "Not coming from Cc\n");
|
|
|
|
ok_irql(PASSIVE_LEVEL);
|
|
ok((Offset.QuadPart % PAGE_SIZE == 0 || Offset.QuadPart == 0), "Offset is not aligned: %I64i\n", Offset.QuadPart);
|
|
ok(Length % PAGE_SIZE == 0, "Length is not aligned: %I64i\n", Length);
|
|
|
|
Buffer = MapAndLockUserBuffer(Irp, Length);
|
|
ok(Buffer != NULL, "Null pointer!\n");
|
|
|
|
Mdl = Irp->MdlAddress;
|
|
ok(Mdl != NULL, "Null pointer for MDL!\n");
|
|
ok((Mdl->MdlFlags & MDL_PAGES_LOCKED) != 0, "MDL not locked\n");
|
|
ok((Mdl->MdlFlags & MDL_SOURCE_IS_NONPAGED_POOL) == 0, "MDL from non paged\n");
|
|
ok((Irp->Flags & IRP_PAGING_IO) != 0, "Non paging IO\n");
|
|
|
|
TestWritten = TRUE;
|
|
Status = STATUS_SUCCESS;
|
|
Irp->IoStatus.Information = Length;
|
|
}
|
|
|
|
if (Status == STATUS_PENDING)
|
|
{
|
|
IoMarkIrpPending(Irp);
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
Status = STATUS_PENDING;
|
|
}
|
|
else
|
|
{
|
|
Irp->IoStatus.Status = Status;
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
}
|
|
|
|
FsRtlExitFileSystem();
|
|
|
|
return Status;
|
|
}
|