From 6f363359d89cf5835d2fc32bedbdd89faf1311d1 Mon Sep 17 00:00:00 2001
From: Christopher <git@clatza.dev>
Date: Fri, 18 Mar 2022 13:55:34 +0100
Subject: [PATCH] Add External Hostname == DYNDNSIP to call current external ip
 from aws services

---
 OpenSim/Framework/RegionInfo.cs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/OpenSim/Framework/RegionInfo.cs b/OpenSim/Framework/RegionInfo.cs
index 507c51852b..f3bc127d54 100755
--- a/OpenSim/Framework/RegionInfo.cs
+++ b/OpenSim/Framework/RegionInfo.cs
@@ -596,6 +596,30 @@ namespace OpenSim.Framework
                 m_log.InfoFormat(
                     "[REGIONINFO]: Resolving SYSTEMIP to {0} for external hostname of region {1}",
                     m_externalHostName, name);
+            }else if(externalName == "DYNDNSIP")
+            {
+                m_externalHostName = Util.GetLocalHost().ToString();
+
+                try
+                {
+                    using (WebClient getIpClient = new WebClient())
+                    {
+                        String externalip = getIpClient.DownloadString("http://checkip.amazonaws.com/");
+
+                        if (externalip != null)
+                        {
+                            m_externalHostName = externalip.Trim();
+                            m_log.InfoFormat("[REGIONINFO]: Resolving DYNDNSIP to {0} for region {1}", m_externalHostName, name);
+                        }
+                        else
+                        {
+                            m_log.ErrorFormat("[REGIONINFO]: Resolving DYNDNSIP failed for region {0}", name);
+                        }
+                    }
+                }catch(Exception error)
+                {
+                    m_log.ErrorFormat("[REGIONINFO]: Resolving DYNDNSIP failed for region {0}: {1}", name, error.Message);
+                }
             }
             else if (!m_resolveAddress)
             {
-- 
2.30.0.windows.2