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Merge pull request #108 from SimonHartfield/Feature/separate-portforwarding-internal-external-ports

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Allow different internal and external ports on port forwarding
This commit is contained in:
lidgren
2018-10-05 00:01:51 +02:00
committed by GitHub
parent d0931dcf9f 0e9da42ce0
commit a8d1105d70
1 changed files with 71 additions and 64 deletions
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135
Lidgren.Network/NetUPnP.cs
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@@ -160,77 +160,84 @@ namespace Lidgren.Network
return false;
}
return false;
}
}
/// <summary>
/// Add a forwarding rule to the router using UPnP
/// </summary>
public bool ForwardPort(int port, string description)
{
if (!CheckAvailability())
return false;
/// <summary>
/// Add a forwarding rule to the router using UPnP
/// </summary>
/// <param name="externalPort">The external, WAN facing, port</param>
/// <param name="description">A description for the port forwarding rule</param>
/// <param name="internalPort">The port on the client machine to send traffic to</param>
public bool ForwardPort(int externalPort, string description, int internalPort = 0)
{
if (!CheckAvailability())
return false;
IPAddress mask;
var client = NetUtility.GetMyAddress(out mask);
if (client == null)
return false;
IPAddress mask;
var client = NetUtility.GetMyAddress(out mask);
if (client == null)
return false;
try
{
SOAPRequest(m_serviceUrl,
"<u:AddPortMapping xmlns:u=\"urn:schemas-upnp-org:service:" + m_serviceName + ":1\">" +
"<NewRemoteHost></NewRemoteHost>" +
"<NewExternalPort>" + port.ToString() + "</NewExternalPort>" +
"<NewProtocol>" + ProtocolType.Udp.ToString().ToUpper(System.Globalization.CultureInfo.InvariantCulture) + "</NewProtocol>" +
"<NewInternalPort>" + port.ToString() + "</NewInternalPort>" +
"<NewInternalClient>" + client.ToString() + "</NewInternalClient>" +
"<NewEnabled>1</NewEnabled>" +
"<NewPortMappingDescription>" + description + "</NewPortMappingDescription>" +
"<NewLeaseDuration>0</NewLeaseDuration>" +
"</u:AddPortMapping>",
"AddPortMapping");
if (internalPort == 0)
internalPort = externalPort;
m_peer.LogDebug("Sent UPnP port forward request");
NetUtility.Sleep(50);
}
catch (Exception ex)
{
m_peer.LogWarning("UPnP port forward failed: " + ex.Message);
return false;
}
return true;
}
try
{
SOAPRequest(m_serviceUrl,
"<u:AddPortMapping xmlns:u=\"urn:schemas-upnp-org:service:" + m_serviceName + ":1\">" +
"<NewRemoteHost></NewRemoteHost>" +
"<NewExternalPort>" + externalPort.ToString() + "</NewExternalPort>" +
"<NewProtocol>" + ProtocolType.Udp.ToString().ToUpper(System.Globalization.CultureInfo.InvariantCulture) + "</NewProtocol>" +
"<NewInternalPort>" + internalPort.ToString() + "</NewInternalPort>" +
"<NewInternalClient>" + client.ToString() + "</NewInternalClient>" +
"<NewEnabled>1</NewEnabled>" +
"<NewPortMappingDescription>" + description + "</NewPortMappingDescription>" +
"<NewLeaseDuration>0</NewLeaseDuration>" +
"</u:AddPortMapping>",
"AddPortMapping");
/// <summary>
/// Delete a forwarding rule from the router using UPnP
/// </summary>
public bool DeleteForwardingRule(int port)
{
if (!CheckAvailability())
return false;
m_peer.LogDebug("Sent UPnP port forward request");
NetUtility.Sleep(50);
}
catch (Exception ex)
{
m_peer.LogWarning("UPnP port forward failed: " + ex.Message);
return false;
}
return true;
}
try
{
SOAPRequest(m_serviceUrl,
"<u:DeletePortMapping xmlns:u=\"urn:schemas-upnp-org:service:" + m_serviceName + ":1\">" +
"<NewRemoteHost>" +
"</NewRemoteHost>" +
"<NewExternalPort>" + port + "</NewExternalPort>" +
"<NewProtocol>" + ProtocolType.Udp.ToString().ToUpper(System.Globalization.CultureInfo.InvariantCulture) + "</NewProtocol>" +
"</u:DeletePortMapping>", "DeletePortMapping");
return true;
}
catch (Exception ex)
{
m_peer.LogWarning("UPnP delete forwarding rule failed: " + ex.Message);
return false;
}
}
/// <summary>
/// Delete a forwarding rule from the router using UPnP
/// </summary>
/// <param name="externalPort">The external, 'internet facing', port</param>
public bool DeleteForwardingRule(int externalPort)
{
if (!CheckAvailability())
return false;
/// <summary>
/// Retrieve the extern ip using UPnP
/// </summary>
public IPAddress GetExternalIP()
try
{
SOAPRequest(m_serviceUrl,
"<u:DeletePortMapping xmlns:u=\"urn:schemas-upnp-org:service:" + m_serviceName + ":1\">" +
"<NewRemoteHost>" +
"</NewRemoteHost>" +
"<NewExternalPort>" + externalPort + "</NewExternalPort>" +
"<NewProtocol>" + ProtocolType.Udp.ToString().ToUpper(System.Globalization.CultureInfo.InvariantCulture) + "</NewProtocol>" +
"</u:DeletePortMapping>", "DeletePortMapping");
return true;
}
catch (Exception ex)
{
m_peer.LogWarning("UPnP delete forwarding rule failed: " + ex.Message);
return false;
}
}
/// <summary>
/// Retrieve the extern ip using UPnP
/// </summary>
public IPAddress GetExternalIP()
{
if (!CheckAvailability())
return null;