/// <summary>
/// Sets security descriptor for given object
/// </summary>
public static void SetSecurity(
string objectName,
SecureObjectType objectType,
SecurityInformationType securityInfo,
SecurityDescriptor securityDescriptor)
{
// parameters validation
if (objectName == null)
throw new ArgumentNullException("objectName");
if (securityDescriptor == null)
throw new ArgumentNullException("securityDescriptor");
// set security descriptor
int error = SecurityNative.SetNamedSecurityInfo(
objectName,
(uint)objectType,
(uint)securityInfo,
securityDescriptor.Owner == null ? IntPtr.Zero : securityDescriptor.Owner.Handle,
securityDescriptor.Group == null ? IntPtr.Zero : securityDescriptor.Group.Handle,
securityDescriptor.DiscretionaryAcl == null ? IntPtr.Zero : securityDescriptor.DiscretionaryAcl.Handle,
securityDescriptor.SystemAcl == null ? IntPtr.Zero : securityDescriptor.SystemAcl.Handle);
if (error != Win32.ERROR_SUCCESS)
throw new Win32Exception(error);
}
/// <summary>
/// Creates pipe on the server side to allow client to connect to
/// </summary>
public void Bind(PipeName pipeName, SecurityDescriptor securityDescriptor)
{
// check object state
if (_disposed)
throw new ObjectDisposedException(GetType().FullName);
if (_instance != null)
throw new InvalidOperationException("Pipe is already connected");
// store security descriptor
_securityDescriptor = securityDescriptor;
// create pipe
_instance = PipeInstance.Create(pipeName, true, _securityDescriptor);
_instancePool = new PipeInstancePool(this);
}
public void BindAuth(string url, SecurityDescriptor securityDescriptor)
{
_transport.BindAuth(url, securityDescriptor);
}
public void BindAuth(string url, SecurityDescriptor securityDescriptor)
{
throw new NotSupportedException();
}
/// <summary>
/// Starts listening to network requests
/// </summary>
public void Start(int backLog, SecurityDescriptor securityDescriptor)
{
// check object state
if (_disposed)
throw new ObjectDisposedException(GetType().FullName);
if (_transport == null)
{
ITransport transport = CreateTransport();
transport.BindAuth(_url, securityDescriptor);
transport.Listen(backLog);
_transport = transport;
}
}
public static PipeInstance Create(PipeName pipeName, bool firstInstance, SecurityDescriptor securityDescriptor)
{
// parameters validation
if (pipeName == null)
throw new ArgumentNullException("pipeName", "Pipe name must be specified");
if (!pipeName.IsLocal)
throw new ArgumentException("Could not bind to the remote pipe");
PipeNative.SecurityAttributes secAttrs = new PipeNative.SecurityAttributes();
secAttrs.SecurityDescriptor = (securityDescriptor == null ? IntPtr.Zero : securityDescriptor.Handle);
secAttrs.InheritHandle = true;
// try to create pipe
IntPtr handle = PipeNative.CreateNamedPipe(pipeName.ToString(),
PipeNative.PIPE_ACCESS_DUPLEX | PipeNative.FILE_FLAG_OVERLAPPED | (firstInstance ? PipeNative.FILE_FLAG_FIRST_PIPE_INSTANCE : 0),
PipeNative.PIPE_TYPE_BYTE | PipeNative.PIPE_READMODE_BYTE | PipeNative.PIPE_WAIT,
PipeNative.PIPE_UNLIMITED_INSTANCES,
OutBufferSize,
InBufferSize,
PipeNative.NMPWAIT_USE_DEFAULT_WAIT,
secAttrs);
if (handle == Win32.InvalidHandle)
{
throw new PipeIOException(Marshal.GetLastWin32Error(), "Could not create pipe: " + pipeName);
}
else
{
return new PipeInstance(pipeName, handle, false);
}
}
private void Initialize(IDictionary properties, IServerChannelSinkProvider sinkProvider)
{
if (properties != null)
{
// read property values
foreach (DictionaryEntry property in properties)
{
switch ((string)property.Key)
{
case "name": _channelName = Convert.ToString(property.Value); break;
case "priority": _channelPriority = Convert.ToInt32(property.Value); break;
case "pipe": _pipe = Convert.ToString(property.Value); break;
case "securityDescriptor": _securityDescriptor = (property.Value as SecurityDescriptor); break;
}
}
}
// setup pipe name
_pipeName = new PipeName(@"\\.\pipe\" + _pipe);
// create the chain of the sink providers that will process all messages
_sinkProvider = ChannelHelper.ServerChannelCreateSinkProviderChain(sinkProvider);
_channelData = ChannelHelper.ServerChannelCreateDataStore(ChannelUri, _sinkProvider);
// create transport sink
IServerChannelSink nextSink = ChannelServices.CreateServerChannelSinkChain(_sinkProvider, this);
_transportSink = new ServerTransportSink(nextSink);
// create listener thread
_transportListener = new TransportListener(ChannelUri, typeof(PipeTransport));
_listenerThread = new Thread(new ThreadStart(ListenerStart));
_listenerThread.IsBackground = true;
_requestHandler = new ProcessRequestCallback(_transportSink.ProcessRequest);
// start listening on the channel
StartListening(null);
}
public void BindAuth(string url, SecurityDescriptor securityDescriptor)
{
_pipe.Bind(GetPipeName(url), securityDescriptor);
_url = url;
}
