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authorAdam Frisby2009-05-23 05:44:18 +0000
committerAdam Frisby2009-05-23 05:44:18 +0000
commit3b1b3ac9bbd77796a55bcc75d08f78bff5ca78af (patch)
tree3f9694631e41a4daf4465fea4a35bb966805d362 /OpenSim
parent* NetworkUtil now handles an error case in a way which is easier to debug. (diff)
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* Breaks OpenSim.. err I mean.. adds NAT translation support to EnableSimulator EventQueue methods.
* NB: This may actually break logins on certain regions. Shake well before consuming.
Diffstat (limited to 'OpenSim')
-rw-r--r--OpenSim/Framework/NetworkUtil.cs40
-rw-r--r--OpenSim/Region/Framework/Scenes/Hypergrid/HGSceneCommunicationService.cs9
-rw-r--r--OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs17
3 files changed, 65 insertions, 1 deletions
diff --git a/OpenSim/Framework/NetworkUtil.cs b/OpenSim/Framework/NetworkUtil.cs
index 759c52f..81e6cad 100644
--- a/OpenSim/Framework/NetworkUtil.cs
+++ b/OpenSim/Framework/NetworkUtil.cs
@@ -14,11 +14,49 @@ namespace OpenSim.Framework
14 /// This enables standard port forwarding techniques 14 /// This enables standard port forwarding techniques
15 /// to work correctly with OpenSim. 15 /// to work correctly with OpenSim.
16 /// </summary> 16 /// </summary>
17 static class NetworkUtil 17 public static class NetworkUtil
18 { 18 {
19 // IPv4Address, Subnet 19 // IPv4Address, Subnet
20 static readonly Dictionary<IPAddress,IPAddress> m_subnets = new Dictionary<IPAddress, IPAddress>(); 20 static readonly Dictionary<IPAddress,IPAddress> m_subnets = new Dictionary<IPAddress, IPAddress>();
21 21
22 public static IPAddress GetIPFor(IPAddress user, IPAddress simulator)
23 {
24 // Check if we're accessing localhost.
25 foreach (IPAddress host in Dns.GetHostAddresses(Dns.GetHostName()))
26 {
27 if (host.Equals(user) && host.AddressFamily == AddressFamily.InterNetwork)
28 return host;
29 }
30
31 // Check for same LAN segment
32 foreach (KeyValuePair<IPAddress, IPAddress> subnet in m_subnets)
33 {
34 byte[] subnetBytes = subnet.Value.GetAddressBytes();
35 byte[] localBytes = subnet.Key.GetAddressBytes();
36 byte[] destBytes = user.GetAddressBytes();
37
38 if (subnetBytes.Length != destBytes.Length || subnetBytes.Length != localBytes.Length)
39 return null;
40
41 bool valid = true;
42
43 for (int i = 0; i < subnetBytes.Length; i++)
44 {
45 if ((localBytes[i] & subnetBytes[i]) != (destBytes[i] & subnetBytes[i]))
46 {
47 valid = false;
48 break;
49 }
50 }
51
52 if (valid)
53 return subnet.Key;
54 }
55
56 // Otherwise, return outside address
57 return simulator;
58 }
59
22 private static IPAddress GetExternalIPFor(IPAddress destination, string defaultHostname) 60 private static IPAddress GetExternalIPFor(IPAddress destination, string defaultHostname)
23 { 61 {
24 // Adds IPv6 Support (Not that any of the major protocols supports it...) 62 // Adds IPv6 Support (Not that any of the major protocols supports it...)
diff --git a/OpenSim/Region/Framework/Scenes/Hypergrid/HGSceneCommunicationService.cs b/OpenSim/Region/Framework/Scenes/Hypergrid/HGSceneCommunicationService.cs
index 542e7d0..7d55cc8 100644
--- a/OpenSim/Region/Framework/Scenes/Hypergrid/HGSceneCommunicationService.cs
+++ b/OpenSim/Region/Framework/Scenes/Hypergrid/HGSceneCommunicationService.cs
@@ -33,6 +33,7 @@ using System.Threading;
33using log4net; 33using log4net;
34using OpenMetaverse; 34using OpenMetaverse;
35using OpenSim.Framework; 35using OpenSim.Framework;
36using OpenSim.Framework.Client;
36using OpenSim.Framework.Communications; 37using OpenSim.Framework.Communications;
37using OpenSim.Framework.Communications.Cache; 38using OpenSim.Framework.Communications.Cache;
38using OpenSim.Framework.Communications.Capabilities; 39using OpenSim.Framework.Communications.Capabilities;
@@ -211,6 +212,14 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
211 212
212 if (eq != null) 213 if (eq != null)
213 { 214 {
215 #region IP Translation for NAT
216 IClientIPEndpoint ipepClient;
217 if (avatar.ClientView.TryGet(out ipepClient))
218 {
219 endPoint.Address = NetworkUtil.GetIPFor(ipepClient.EndPoint, endPoint.Address);
220 }
221 #endregion
222
214 eq.EnableSimulator(realHandle, endPoint, avatar.UUID); 223 eq.EnableSimulator(realHandle, endPoint, avatar.UUID);
215 224
216 // ES makes the client send a UseCircuitCode message to the destination, 225 // ES makes the client send a UseCircuitCode message to the destination,
diff --git a/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs b/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
index 0699552..85a3d96 100644
--- a/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
@@ -34,6 +34,7 @@ using OpenMetaverse;
34using OpenMetaverse.StructuredData; 34using OpenMetaverse.StructuredData;
35using log4net; 35using log4net;
36using OpenSim.Framework; 36using OpenSim.Framework;
37using OpenSim.Framework.Client;
37using OpenSim.Framework.Communications; 38using OpenSim.Framework.Communications;
38using OpenSim.Framework.Communications.Cache; 39using OpenSim.Framework.Communications.Cache;
39using OpenSim.Framework.Communications.Capabilities; 40using OpenSim.Framework.Communications.Capabilities;
@@ -306,6 +307,14 @@ namespace OpenSim.Region.Framework.Scenes
306 IEventQueue eq = avatar.Scene.RequestModuleInterface<IEventQueue>(); 307 IEventQueue eq = avatar.Scene.RequestModuleInterface<IEventQueue>();
307 if (eq != null) 308 if (eq != null)
308 { 309 {
310 #region IP Translation for NAT
311 IClientIPEndpoint ipepClient;
312 if(avatar.ClientView.TryGet(out ipepClient))
313 {
314 endPoint.Address = NetworkUtil.GetIPFor(ipepClient.EndPoint, endPoint.Address);
315 }
316 #endregion
317
309 eq.EnableSimulator(reg.RegionHandle, endPoint, avatar.UUID); 318 eq.EnableSimulator(reg.RegionHandle, endPoint, avatar.UUID);
310 eq.EstablishAgentCommunication(avatar.UUID, endPoint, capsPath); 319 eq.EstablishAgentCommunication(avatar.UUID, endPoint, capsPath);
311 m_log.DebugFormat("[CAPS]: Sending new CAPS seed url {0} to client {1} in region {2}", 320 m_log.DebugFormat("[CAPS]: Sending new CAPS seed url {0} to client {1} in region {2}",
@@ -812,6 +821,14 @@ namespace OpenSim.Region.Framework.Scenes
812 821
813 if (eq != null) 822 if (eq != null)
814 { 823 {
824 #region IP Translation for NAT
825 IClientIPEndpoint ipepClient;
826 if (avatar.ClientView.TryGet(out ipepClient))
827 {
828 endPoint.Address = NetworkUtil.GetIPFor(ipepClient.EndPoint, endPoint.Address);
829 }
830 #endregion
831
815 eq.EnableSimulator(reg.RegionHandle, endPoint, avatar.UUID); 832 eq.EnableSimulator(reg.RegionHandle, endPoint, avatar.UUID);
816 833
817 // ES makes the client send a UseCircuitCode message to the destination, 834 // ES makes the client send a UseCircuitCode message to the destination,