//Release the device handle counter. Must be called for every GetReaderHandle to prevent resource leak.
public static void ReleaseReaderHandle(DPUruNet.Reader reader)
{
BindingFlags flags = BindingFlags.Instance | BindingFlags.NonPublic;
FieldInfo field = reader.GetType().GetField("m_handle", flags);
System.Runtime.InteropServices.SafeHandle privateHandle = (System.Runtime.InteropServices.SafeHandle)field.GetValue(reader);
if (privateHandle != null && !privateHandle.IsInvalid && !privateHandle.IsClosed)
{
privateHandle.DangerousRelease(); //decrement the device handle counter so the reader can be freed
}
}
protected override void DoExecute(IScriptExecutionEnvironment environment)
{
try
{
using (ServiceController serviceController = new ServiceController(serviceName))
{
// this should throw an exception if the service does not exist
System.Runtime.InteropServices.SafeHandle serviceHandle = serviceController.ServiceHandle;
environment.SetConfigSetting(configurationSetting, "true");
environment.LogMessage("Windows service '{0}' exists.", serviceName);
}
}
catch (InvalidOperationException)
{
environment.SetConfigSetting(configurationSetting, "false");
environment.LogMessage(
"Windows service '{0}' does not exist.",
serviceName);
}
}
protected override void DoExecute(ITaskContext context)
{
try
{
using (ServiceController serviceController = new ServiceController(serviceName, machineName))
{
// this should throw an exception if the service does not exist
System.Runtime.InteropServices.SafeHandle serviceHandle = serviceController.ServiceHandle;
context.Properties.Set(configurationSetting, "true");
context.WriteInfo("Windows service '{0}:{1}' exists.", machineName, serviceName);
}
}
catch (InvalidOperationException e)
{
context.Properties.Set(configurationSetting, false);
context.WriteInfo(
"Windows service '{0}' does not exist.{1}",
serviceName,
e.Message);
}
}
//Must be called to get device handle to control the LEDs (this must be coupled with a ReleaseReaderHandle)
public static IntPtr GetReaderHandle(DPUruNet.Reader reader)
{
//We must use reflection here to get the private device handle
BindingFlags flags = BindingFlags.Instance | BindingFlags.NonPublic;
FieldInfo field = reader.GetType().GetField("m_handle", flags);
System.Runtime.InteropServices.SafeHandle privateHandle = (System.Runtime.InteropServices.SafeHandle)field.GetValue(reader);
Boolean bSuccess = false;
if (privateHandle != null)
{
privateHandle.DangerousAddRef(ref bSuccess); //increment the reference counter for the reader\device handle
}
if (bSuccess)
{
return(privateHandle.DangerousGetHandle()); //return the handle to the caller
}
else
{
return(IntPtr.Zero);
}
}
public static System.Threading.ThreadPoolBoundHandle BindHandle(System.Runtime.InteropServices.SafeHandle handle)
{
return(default(System.Threading.ThreadPoolBoundHandle));
}
public static System.Windows.Input.Cursor Create(System.Runtime.InteropServices.SafeHandle cursorHandle)
{
return(default(System.Windows.Input.Cursor));
}
public static bool BindHandle(System.Runtime.InteropServices.SafeHandle osHandle)
{
throw null;
}
public SafeNCryptKeyHandle(System.IntPtr handle, System.Runtime.InteropServices.SafeHandle parentHandle)
{
}
/// <summary>
/// Gets lockdown policy as applied to a file.
/// </summary>
/// <remarks>Always return SystemEnforcementMode.None in CSS (trusted)</remarks>
public static SystemEnforcementMode GetLockdownPolicy(string path, System.Runtime.InteropServices.SafeHandle handle)
{
return(SystemEnforcementMode.None);
}
public static bool BindHandle(System.Runtime.InteropServices.SafeHandle osHandle)
{
return(default(bool));
}
protected SafeNCryptHandle(IntPtr handle, System.Runtime.InteropServices.SafeHandle parentHandle)
: base(false)
{
throw new NotImplementedException();
}
protected virtual new void Persist(System.Runtime.InteropServices.SafeHandle handle, AccessControlSections includeSections)
{
}
protected sealed override void Persist(System.Runtime.InteropServices.SafeHandle handle, AccessControlSections includeSections)
{
}
protected void Persist(System.Runtime.InteropServices.SafeHandle handle, AccessControlSections includeSections, Object exceptionContext)
{
}
protected NativeObjectSecurity(bool isContainer, ResourceType resourceType, System.Runtime.InteropServices.SafeHandle handle, AccessControlSections includeSections) : base(default(bool))
{
Contract.Ensures(false);
}
protected NativeObjectSecurity(bool isContainer, ResourceType resourceType, System.Runtime.InteropServices.SafeHandle handle, AccessControlSections includeSections, System.Security.AccessControl.NativeObjectSecurity.ExceptionFromErrorCode exceptionFromErrorCode, Object exceptionContext) : base(default(bool))
{
Contract.Ensures(false);
}
public static bool BindHandle(System.Runtime.InteropServices.SafeHandle osHandle) => throw new NotImplementedException();
[System.Runtime.InteropServices.DllImport("crypt32.dll")][System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.PreserveSig)] public static extern bool CryptUnprotectMemory(System.Runtime.InteropServices.SafeHandle pData, uint cbData, uint dwFlags);
public static System.Threading.ThreadPoolBoundHandle BindHandle(System.Runtime.InteropServices.SafeHandle handle)
{
throw new PlatformNotSupportedException();
}
[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)] public static void AssertSafeHandleIsValid(System.Runtime.InteropServices.SafeHandle safeHandle)
{
}
protected override void UpdateUnmanagedPropertyState(System.Runtime.InteropServices.SafeHandle unmanagedEffect)
{
}
protected static void InitializeBitmapEffect(System.Runtime.InteropServices.SafeHandle outerObject, System.Runtime.InteropServices.SafeHandle innerObject)
{
}
protected SafeNCryptHandle(System.IntPtr handle, System.Runtime.InteropServices.SafeHandle parentHandle) : base(default(System.IntPtr), default(bool))
{
}
protected static void SetValue(System.Runtime.InteropServices.SafeHandle effect, string propertyName, Object value)
{
}
protected internal void Persist(System.Runtime.InteropServices.SafeHandle handle)
{
}
protected abstract void UpdateUnmanagedPropertyState(System.Runtime.InteropServices.SafeHandle unmanagedEffect);
public static System.Threading.ThreadPoolBoundHandle BindHandle(System.Runtime.InteropServices.SafeHandle handle)
{
throw null;
}
public static System.IntPtr SafeHandleGetHandle(System.Runtime.InteropServices.SafeHandle safeHandle, bool addRef)
{
throw null;
}
