C++ (Cpp) ExDeletePagedLookasideList Examples

Example #1

File: File.cpp Project: jinyongjie/jyj_github

NTSTATUS FreePagedLookasideListForDirectory()
{
	NTSTATUS status = STATUS_SUCCESS;
	PDIRECTORY_INFO pDirectoryInfo = g_pDirectoryInfo, pNextDirectoryInfo = NULL;

	__try
	{
		if (NULL != g_pPageListDirectory && NULL != g_pDirectoryInfo)
		{
			while (pDirectoryInfo)
			{
				pNextDirectoryInfo = pDirectoryInfo->next;

				ExFreeToPagedLookasideList(g_pPageListDirectory, pDirectoryInfo);

				pDirectoryInfo = pNextDirectoryInfo;
			}

			ExDeletePagedLookasideList(g_pPageListDirectory);
			ExFreePool(g_pPageListDirectory);
			g_pPageListDirectory = NULL;
			g_pDirectoryInfo = NULL;
		}
	}
	__except(EXCEPTION_EXECUTE_HANDLER)
	{
		KdPrint(("SSDT:FreePagedLookasideListForSSDT failed!"));
		status = GetExceptionCode();
	}


	return status;
}

Example #2

File: init.c Project: AlexandeMaksimenko/Driver_Hook_Open_Create_File

//
// Функция, вызываемая при выгрузке драйвера.
//
VOID DriverUnload(IN PDRIVER_OBJECT pDriverObject) {
	ULONG reg;

	// удаление символьной ссылки и объекта устройства
	IoDeleteSymbolicLink(&glSymLinkName);
	IoDeleteDevice(pDriverObject->DeviceObject);

	// удаляем элементы списка файлов
	while (!IsListEmpty(&glOpenFiles)) {
		PLIST_ENTRY pLink = RemoveHeadList(&glOpenFiles);
		OpenFileEntry *entry = CONTAINING_RECORD(pLink, OpenFileEntry, link);

		RtlFreeAnsiString(&entry->fileName);
		RtlFreeUnicodeString(&entry->fullName);

		ExFreeToPagedLookasideList(&glPagedList, entry);
	}

	// удаляем резервный список
	ExDeletePagedLookasideList(&glPagedList);

	KdPrint(("Driver unload\n"));
	//reg = ClearWP();
	KeServiceDescriptorTable->Base[NUMBER_NT_CREATE_FILE] = (ULONG)glRealNtCreateFile;
	KeServiceDescriptorTable->Base[NUMBER_NT_OPEN_FILE] = (ULONG)glRealNtOpenFile;
	//WriteCR0(reg);

	WaitHookUnload(&glHookCounter);
	//FreeProtectedFiles();

	return;
}

Example #3

File: Driver.cpp Project: r0cu3/WindowsDriver

void TestLookaside()
{
	KdPrint(("enter TestLookaside ......\n"));
	PAGED_LOOKASIDE_LIST tLookaside;
	ExInitializePagedLookasideList(&tLookaside,NULL,NULL,0,sizeof(MyListNode),'1234',0);

	MyListNode* MyList[10] = {0};
	for(int i=0; i<10; i++)
	{
		MyList[i] = (MyListNode*)ExAllocateFromPagedLookasideList(&tLookaside);
		if(MyList[i] == NULL)
		{
			KdPrint(("i f**k ..\n"));
			continue;
		}
		MyList[i]->data = i;
	}

	for(int k=0; k<10; k++)
	{
		if(MyList[k] == NULL)
		{
			KdPrint(("i f**k too \n"));
			continue;
		}
		KdPrint(("%d   ",MyList[k]->data));
		ExFreeToPagedLookasideList(&tLookaside,MyList[k]);
		MyList[k] = NULL;
	}

	ExDeletePagedLookasideList(&tLookaside);
	
	KdPrint(("leave TestLookaside ......\n"));

}

Example #4

File: Services.cpp Project: jinyongjie/jyj_github

NTSTATUS FreePagedLookasideListForServices()
{
	NTSTATUS status = STATUS_SUCCESS;
	PSERVICES_INFO pServicesInfo = NULL,\
		pNextServicesInfo = NULL;

	__try
	{

		if (g_pServicesInfo != NULL)
		{
			pServicesInfo = g_pServicesInfo;

			while (pServicesInfo != NULL)
			{
				pNextServicesInfo = pServicesInfo->next;

				ExFreeToPagedLookasideList(&g_PageListServices, pServicesInfo);

				pServicesInfo = pNextServicesInfo;
			}

			ExDeletePagedLookasideList(&g_PageListServices);
			g_pServicesInfo = NULL;
		}

	}
	__except(EXCEPTION_EXECUTE_HANDLER)
	{
		KdPrint(("Services:FreePagedLookasideListForDriverModule failed!"));
		status = STATUS_UNSUCCESSFUL;
	}

	return status;
}

Example #5

File: DataStruct.cpp Project: killbug2004/wy-windows-driver

VOID DestroyProctectProcessList()
{
	// 清理链表
	CleanupProtectProcess();

	// 清理Lookaside结构
	ExDeletePagedLookasideList(&ProtectProcessList.PageList);

	// 清理自旋锁
	// WDK没有提及，我这里就暂时不清理自旋锁
}

Example #6

File: DataStruct.cpp Project: killbug2004/wy-windows-driver

VOID DestroyMatchExpressionList()
{
	// 清理链表
	CleanupMatchExpression();

	// 清理Lookaside结构
	ExDeletePagedLookasideList(&MatchExpressionList.PageList);

	// 清理自旋锁
	// WDK没有提及，我这里就暂时不清理自旋锁
}

Example #7

File: kmem_cache.c Project: maheshm/vfs_reactos

int kmem_cache_destroy (kmem_cache_t * cachep)
{
	printk("kmem_cache: %s: destroy (objects not freed: %d)\n", cachep->name, cachep->objects_allocated);
#ifdef USE_NONPAGED_MEMORY
	ExDeleteNPagedLookasideList(&cachep->lookaside);
#else
	ExDeletePagedLookasideList(&cachep->lookaside);
#endif
	kfree(cachep);
	cachep=NULL;
	return 0;
}