成功加载驱动,但卸载失败!

Cricketol 2009-03-06 10:29:36



//SOURCES

TARGETNAME=hello

TARGETPATH=obj

TARGETTYPE=DRIVER

SOURCES=hello.c



//hello.c

void StartSrv()

{

	char namebuf[256];

	memset(namebuf, 0, sizeof(namebuf));

	SC_HANDLE hMgr, hCS, hOS; 



	GetCurrentDirectory(256, namebuf );

	strcat(namebuf, "\\objchk\\i386\\hello.sys" );



	hMgr = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);

	if(hMgr == NULL)

	{

		printf("OpenSCManager failed!!!\n");

		exit(0);

	}

	hCS = CreateService(hMgr,TEXT("hello"), TEXT("hello"),

						SERVICE_ALL_ACCESS,

						SERVICE_KERNEL_DRIVER,

						SERVICE_DEMAND_START,

						SERVICE_ERROR_IGNORE,

						TEXT(namebuf),0,0,0,0,0); 

	if(hCS == NULL)

	{

		printf("CreateService failed!\n");

		CloseHandle(hMgr);

		exit(0);

	}



	hOS = OpenService(hMgr, "hello", SERVICE_ALL_ACCESS);

	if(hOS == NULL)

	{

		printf("OpenService failed!\n");

		CloseHandle(hCS);

		CloseHandle(hMgr);

		exit(0);

	}

	StartService(hOS,NULL,NULL);

	CloseServiceHandle(hCS);//到这里就可以在DeviceTree里看到hello了

	CloseServiceHandle(hOS);

	CloseServiceHandle(hMgr);

	getch();

	CloseSvc(TEXT("hello"));

}

void CloseSvc(char *pServiceName)

{ 

	SC_HANDLE sch;

	SERVICE_STATUS ss;

	sch = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);//成功

	if(sch == NULL)

	{

		printf("OpenSCManager failed!\n");

		exit(0);

	}

	SC_HANDLE scm;

	scm = OpenService(sch,TEXT(pServiceName),SERVICE_ALL_ACCESS);//成功

	if(scm == NULL)

	{

		CloseServiceHandle(sch);

		printf("OpenService failed!\n");

		exit(0);

	}

	if(!ControlService(scm, SERVICE_CONTROL_STOP, &ss))//这个失败

	{

		CloseServiceHandle(sch);

		CloseServiceHandle(scm);

		printf("ControlService failed!\n");

		exit(0);

	}

	if(!DeleteService(scm))

	{

		CloseServiceHandle(sch);

		CloseServiceHandle(sch);

		printf("DeleteService failed!\n");

		exit(0);

	}

}