在拖了几天，调了快一天之后，问题终于在新年的第一天解决，庆贺一下O(∩_∩)O~
在“北极星2003”的CSDN博客上看到说用ObReferenceObjectByName来输出驱动程序的基本信息，结果我去测试的时候无情的蓝屏了。找了好久，终于发现了原因所在。因为博客上的代码是C++，而ObReferenceObjectByName是NativeAPI，所以需要做一个声明，C++用了extern “C”，而我的是C语言，用了ifdef宏定义，忘了加extern了，结果导致了蓝屏。
用WinDbg调试的时候，已进入ObReferenceObjectByName函数，系统就崩溃了，根本无法继续调试。还好最后发现了问题的所在。下面把代码贴出来
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#include <ntddk.h> // 注意对于NativeAPI的声明 // C语言要加上extern // C++要加上extern "C" extern NTSTATUS ObReferenceObjectByName( IN PUNICODE_STRING ObjectPath, IN ULONG Attributes, IN PACCESS_STATE PassedAccessState OPTIONAL, IN ACCESS_MASK DesiredAccess OPTIONAL, IN POBJECT_TYPE ObjectType, IN KPROCESSOR_MODE AccessMode, IN OUT PVOID ParseContext OPTIONAL, OUT PVOID *ObjectPtr ); extern POBJECT_TYPE *IoDeviceObjectType; // 卸载例程 VOID DriverUnload(PDRIVER_OBJECT pDriverObject) { DbgPrint("--------------------------------\n"); } // 获取信息 NTSTATUS GetInfo() { NTSTATUS status = STATUS_UNSUCCESSFUL; PDRIVER_OBJECT pTestObject = NULL; UNICODE_STRING uniDriverName; WCHAR DriverNameBuffer[] = L"\\Driver\\HelloDDK"; RtlInitUnicodeString(&uniDriverName, DriverNameBuffer); status = ObReferenceObjectByName( &uniDriverName, OBJ_CASE_INSENSITIVE, NULL, 0, *IoDeviceObjectType, KernelMode, NULL, &pTestObject); if(!NT_SUCCESS(status)) { DbgPrint("ObReferenceObjectByName Failure!\n"); return status; } DbgPrint("Driver Name : %wZ\n", &uniDriverName); DbgPrint("Load Address : 0x%08X\n", pTestObject->DriverStart); DbgPrint("Driver Size : %d\n", pTestObject->DriverSize); DbgPrint("Driver Object : 0x%08X\n", pTestObject->DriverExtension->DriverObject); DbgPrint("FastIo Dispatch : 0x%08X\n", pTestObject->FastIoDispatch); DbgPrint("StartIo Entry : 0x%08X\n", pTestObject->DriverStartIo); DbgPrint("Add Device Entry: : 0x%08X\n", pTestObject->DriverExtension->AddDevice); DbgPrint("Unload Routine : 0x%08X\n", pTestObject->DriverUnload); ObDereferenceObject(pTestObject); return status; } NTSTATUS DriverEntry(PDRIVER_OBJECT pDriverObject, PUNICODE_STRING pRegistryPath) { NTSTATUS status; DbgPrint("--------------------------------\n"); pDriverObject->DriverUnload = DriverUnload;; GetInfo(); return STATUS_SUCCESS; } |