public void StartStopService()
{
using (var scm = AdvApi32.OpenSCManager(null, null, ScManagerAccessTypes.SC_MANAGER_CONNECT))
{
AssertHandleIsValid(scm);
var access = ServiceAccessTypes.SERVICE_START | ServiceAccessTypes.SERVICE_STOP | ServiceAccessTypes.SERVICE_QUERY_STATUS;
//opens print spooler service
using (var service = AdvApi32.OpenService(scm, "Spooler", access))
{
AssertHandleIsValid(service);
//query service status
var status = AdvApi32.QueryServiceStatusEx <SERVICE_STATUS_PROCESS>(service, SC_STATUS_TYPE.SC_STATUS_PROCESS_INFO);
if (status.dwCurrentState == ServiceState.SERVICE_RUNNING)
{
var ret4 = AdvApi32.StopService(service, out var _);
if (!ret4)
{
Win32Error.ThrowLastError();
}
WaitForServiceStatus(service, ServiceState.SERVICE_STOPPED);
var ret6 = AdvApi32.StartService(service);
if (!ret6)
{
Win32Error.ThrowLastError();
}
}
else
{
var ret4 = AdvApi32.StartService(service);
if (!ret4)
{
Win32Error.ThrowLastError();
}
WaitForServiceStatus(service, ServiceState.SERVICE_RUNNING);
var ret6 = AdvApi32.StopService(service, out var _);
if (!ret6)
{
Win32Error.ThrowLastError();
}
}
}
}
}
public bool Install(string path, out string errorMessage)
{
IntPtr manager = AdvApi32.OpenSCManager(null, null, AdvApi32.SC_MANAGER_ACCESS_MASK.SC_MANAGER_ALL_ACCESS);
if (manager == IntPtr.Zero)
{
errorMessage = "OpenSCManager returned zero.";
return(false);
}
IntPtr service = AdvApi32.CreateService(manager,
_id,
_id,
AdvApi32.SERVICE_ACCESS_MASK.SERVICE_ALL_ACCESS,
AdvApi32.SERVICE_TYPE.SERVICE_KERNEL_DRIVER,
AdvApi32.SERVICE_START.SERVICE_DEMAND_START,
AdvApi32.SERVICE_ERROR.SERVICE_ERROR_NORMAL,
path,
null,
null,
null,
null,
null);
if (service == IntPtr.Zero)
{
if (Marshal.GetHRForLastWin32Error() == Kernel32.ERROR_SERVICE_EXISTS)
{
errorMessage = "Service already exists";
return(false);
}
errorMessage = "CreateService returned the error: " + Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error()).Message;
AdvApi32.CloseServiceHandle(manager);
return(false);
}
if (!AdvApi32.StartService(service, 0, null))
{
if (Marshal.GetHRForLastWin32Error() != Kernel32.ERROR_SERVICE_ALREADY_RUNNING)
{
errorMessage = "StartService returned the error: " + Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error()).Message;
AdvApi32.CloseServiceHandle(service);
AdvApi32.CloseServiceHandle(manager);
return(false);
}
}
AdvApi32.CloseServiceHandle(service);
AdvApi32.CloseServiceHandle(manager);
#if NETFRAMEWORK
try
{
// restrict the driver access to system (SY) and builtin admins (BA)
// TODO: replace with a call to IoCreateDeviceSecure in the driver
FileSecurity fileSecurity = File.GetAccessControl(@"\\.\" + _id);
fileSecurity.SetSecurityDescriptorSddlForm("O:BAG:SYD:(A;;FA;;;SY)(A;;FA;;;BA)");
File.SetAccessControl(@"\\.\" + _id, fileSecurity);
}
catch
{ }
#endif
errorMessage = null;
return(true);
}