private IDataAdapter ConnectUdp(IpProxyToken token, Logger logger, PropertyBag properties)
{
IDataAdapter adapter = null;
try
{
UdpClient client = new UdpClient(IsTokenIpV6(token) ? AddressFamily.InterNetworkV6 : AddressFamily.InterNetwork);
if (token.Hostname == null)
{
client.Connect(token.Address, token.Port);
}
else
{
client.Connect(token.Hostname, token.Port);
}
NetUtils.PopulateBagFromSocket(client.Client, properties);
adapter = new UdpClientDataAdapter(client, IpProxyClient.GetDescription(token));
}
catch (SocketException ex)
{
logger.LogException(ex);
token.Status = NetStatusCodes.ConnectFailure;
}
catch (IOException ex)
{
logger.LogException(ex);
token.Status = NetStatusCodes.ConnectFailure;
}
return adapter;
}
private IDataAdapter BindTcp(IpProxyToken token, Logger logger, PropertyBag properties)
{
TcpListenerDataAdapter adapter = null;
try
{
bool isIpv6 = IsTokenIpV6(token);
adapter = new TcpListenerDataAdapter(new IPEndPoint(isIpv6 ? IPAddress.IPv6Any : IPAddress.Any, token.Port));
NetUtils.PopulateBagFromSocket(adapter.Listener.Server, properties);
}
catch (SocketException ex)
{
logger.LogException(ex);
token.Status = NetStatusCodes.ConnectFailure;
}
catch (IOException ex)
{
logger.LogException(ex);
token.Status = NetStatusCodes.ConnectFailure;
}
return adapter;
}
private static IEnumerable<DataFrame> ReadFrames(IDataAdapter client, DynamicScriptContainer container, Logger logger, object config)
{
DataReader reader = new DataReader(new DataAdapterToStream(client));
while (!reader.Eof)
{
DynamicStreamDataKey2 key = new DynamicStreamDataKey2("Root", container, logger, config);
try
{
key.FromReader(reader);
}
catch (ThreadAbortException)
{
throw;
}
catch (EndOfStreamException)
{
// End of stream, do nothing
}
catch (Exception e)
{
logger.LogException(e);
yield break;
}
// Only fill in the frame if we read something, should this exit if it continues to read nothing?
if (reader.ByteCount > 0)
{
yield return new DataFrame(key);
}
}
}
/// <summary>
/// Connection to the socks server
/// </summary>
/// <param name="token">The proxy token</param>
/// <param name="logger">Logger</param>
/// <param name="globalMeta">Global meta</param>
/// <param name="meta">Meta</param>
/// <param name="credmgr">Credentials manager</param>
/// <param name="properties">Property bag to populate</param>
/// <returns>A connected data adapter, or null if not available</returns>
/// <exception cref="SocketException">Throw if cannot connect</exception>
/// <exception cref="ArgumentException">Throw if invalid operation occurs</exception>
/// <exception cref="EndOfStreamException">Throw if stream ends before reading all data</exception>
public override IDataAdapter Connect(ProxyToken token, Logger logger, MetaDictionary meta, MetaDictionary globalMeta, PropertyBag properties, CredentialsManagerService credmgr)
{
IDataAdapter ret = null;
if (token is IpProxyToken)
{
IpProxyToken iptoken = token as IpProxyToken;
TcpClient client = new TcpClient();
try
{
client.Connect(_hostname, _port);
if (_version == SupportedVersion.Version4)
{
if (_sendHostName && !String.IsNullOrWhiteSpace(iptoken.Hostname))
{
ConnectVersion4a(client.GetStream(), iptoken, logger);
}
else
{
ConnectVersion4(client.GetStream(), iptoken, logger);
}
}
else
{
ConnectVersion5(client.GetStream(), iptoken, logger);
}
if (iptoken.Status == NetStatusCodes.Success)
{
NetUtils.PopulateBagFromSocket(client.Client, properties);
ret = new TcpClientDataAdapter(client, IpProxyClient.GetDescription((IpProxyToken)token));
}
}
catch (SocketException ex)
{
logger.LogException(ex);
token.Status = NetStatusCodes.ConnectFailure;
}
catch (IOException ex)
{
logger.LogException(ex);
token.Status = NetStatusCodes.ConnectFailure;
}
finally
{
if (ret == null)
{
client.Close();
}
}
}
else
{
throw new ArgumentException(CANAPE.Net.Properties.Resources.SocksProxyClient_InvalidProxyToken3);
}
return ret;
}
/// <summary>
/// Connect to the required service with the token
/// </summary>
/// <param name="token">The token recevied from proxy</param>
/// <param name="globalMeta">The global meta</param>
/// <param name="logger">The logger</param>
/// <param name="meta">The meta</param>
/// <param name="properties">Property bag to add any information to</param>
/// <param name="credmgr">Credentials manager</param>
/// <returns>The connected data adapter</returns>
public override IDataAdapter Connect(ProxyToken token, Logger logger, MetaDictionary meta, MetaDictionary globalMeta, PropertyBag properties, CredentialsManagerService credmgr)
{
IDataAdapter ret = null;
token.Status = NetStatusCodes.ConnectFailure;
if ((token is IpProxyToken) && ((IpProxyToken)token).ClientType == IpProxyToken.IpClientType.Tcp)
{
TcpClient client = new TcpClient();
try
{
client.Connect(_hostname, _port);
if (token is FullHttpProxyToken)
{
bool binary = false;
if ((token.Layers != null) && (token.Layers.Length > 0))
{
foreach (INetworkLayer layer in token.Layers)
{
// Find a binding layer
if (layer.Binding == NetworkLayerBinding.Client
|| layer.Binding == NetworkLayerBinding.ClientAndServer
|| layer.Binding == NetworkLayerBinding.Default)
{
if (!(layer is HttpNetworkLayer))
{
binary = true;
}
break;
}
}
}
if (!binary)
{
ret = new FullHttpProxyDataAdapter(client, (FullHttpProxyToken)token, IpProxyClient.GetDescription((IpProxyToken)token), logger);
NetUtils.PopulateBagFromSocket(client.Client, properties);
token.Status = NetStatusCodes.Success;
}
else
{
ConnectWithIpProxyToken(client.GetStream(), (IpProxyToken)token, logger);
if (token.Status == NetStatusCodes.Success)
{
NetUtils.PopulateBagFromSocket(client.Client, properties);
ret = new TcpClientDataAdapter(client, IpProxyClient.GetDescription((IpProxyToken)token));
}
}
}
else
{
if (token is HttpProxyToken)
{
ConnectWithHttpProxyToken(client.GetStream(), (HttpProxyToken)token, logger);
}
else
{
ConnectWithIpProxyToken(client.GetStream(), (IpProxyToken)token, logger);
}
if (token.Status == NetStatusCodes.Success)
{
NetUtils.PopulateBagFromSocket(client.Client, properties);
ret = new TcpClientDataAdapter(client, IpProxyClient.GetDescription((IpProxyToken)token));
}
}
}
catch (SocketException ex)
{
logger.LogException(ex);
token.Status = NetStatusCodes.ConnectFailure;
}
catch (IOException ex)
{
logger.LogException(ex);
token.Status = NetStatusCodes.ConnectFailure;
}
finally
{
if (ret == null)
{
client.Close();
}
}
}
else
{
throw new ArgumentException(CANAPE.Net.Properties.Resources.HttpProxyClient_InvalidProxyToken);
}
return ret;
}
