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Added simulation version compatibility check so that agents coming from 0.7.6 to a varregion running in 0.8 and above will be denied teleport, rather than be allowed and crash the viewer.

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This commit is contained in:
Diva Canto
2014-06-06 11:04:53 -07:00
committed by Justin Clark-Casey
parent 72456f90a4
commit ffe07527fc
10 changed files with 67 additions and 23 deletions
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10
OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
View File

@@ -208,7 +208,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
protected virtual void InitialiseCommon(IConfigSource source)
{
string transferVersionName = "SIMULATION";
float maxTransferVersion = 0.2f;
float maxTransferVersion = 0.3f;
IConfig hypergridConfig = source.Configs["Hypergrid"];
if (hypergridConfig != null)
@@ -760,8 +760,9 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
string reason;
string version;
string myversion = string.Format("{0}/{1}", OutgoingTransferVersionName, MaxOutgoingTransferVersion);
if (!Scene.SimulationService.QueryAccess(
finalDestination, sp.ControllingClient.AgentId, homeURI, true, position, out version, out reason))
finalDestination, sp.ControllingClient.AgentId, homeURI, true, position, myversion, out version, out reason))
{
sp.ControllingClient.SendTeleportFailed(reason);
@@ -833,7 +834,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
if (versionComponents.Length >= 2)
float.TryParse(versionComponents[1], out versionNumber);
if (versionNumber == 0.2f && MaxOutgoingTransferVersion >= versionNumber)
if (versionNumber >= 0.2f && MaxOutgoingTransferVersion >= versionNumber)
TransferAgent_V2(sp, agentCircuit, reg, finalDestination, endPoint, teleportFlags, oldRegionX, newRegionX, oldRegionY, newRegionY, version, out reason);
else
TransferAgent_V1(sp, agentCircuit, reg, finalDestination, endPoint, teleportFlags, oldRegionX, newRegionX, oldRegionY, newRegionY, version, out reason);
@@ -1509,8 +1510,9 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
}
// Check to see if we have access to the target region.
string myversion = string.Format("{0}/{1}", OutgoingTransferVersionName, MaxOutgoingTransferVersion);
if (neighbourRegion != null
&& !scene.SimulationService.QueryAccess(neighbourRegion, agentID, homeURI, false, newpos, out version, out failureReason))
&& !scene.SimulationService.QueryAccess(neighbourRegion, agentID, homeURI, false, newpos, myversion, out version, out failureReason))
{
// remember banned
m_bannedRegionCache.Add(neighbourRegion.RegionHandle, agentID);

26
OpenSim/Region/CoreModules/ServiceConnectorsOut/Simulation/LocalSimulationConnector.cs
View File

@@ -52,6 +52,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
/// Currently valid versions are "SIMULATION/0.1" and "SIMULATION/0.2"
/// </remarks>
public string ServiceVersion { get; set; }
private float m_VersionNumber = 0.3f;
/// <summary>
/// Map region ID to scene.
@@ -84,15 +85,19 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
public void InitialiseService(IConfigSource configSource)
{
ServiceVersion = "SIMULATION/0.2";
ServiceVersion = "SIMULATION/0.3";
IConfig config = configSource.Configs["SimulationService"];
if (config != null)
{
ServiceVersion = config.GetString("ConnectorProtocolVersion", ServiceVersion);
if (ServiceVersion != "SIMULATION/0.1" && ServiceVersion != "SIMULATION/0.2")
if (ServiceVersion != "SIMULATION/0.1" && ServiceVersion != "SIMULATION/0.2" && ServiceVersion != "SIMULATION/0.3")
throw new Exception(string.Format("Invalid ConnectorProtocolVersion {0}", ServiceVersion));
string[] versionComponents = ServiceVersion.Split(new char[] { '/' });
if (versionComponents.Length >= 2)
float.TryParse(versionComponents[1], out m_VersionNumber);
m_log.InfoFormat(
"[LOCAL SIMULATION CONNECTOR]: Initialized with connector protocol version {0}", ServiceVersion);
}
@@ -264,7 +269,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
return true;
}
public bool QueryAccess(GridRegion destination, UUID agentID, string agentHomeURI, bool viaTeleport, Vector3 position, out string version, out string reason)
public bool QueryAccess(GridRegion destination, UUID agentID, string agentHomeURI, bool viaTeleport, Vector3 position, string theirversion, out string version, out string reason)
{
reason = "Communications failure";
version = ServiceVersion;
@@ -276,6 +281,21 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
// m_log.DebugFormat(
// "[LOCAL SIMULATION CONNECTOR]: Found region {0} {1} to send AgentUpdate",
// s.RegionInfo.RegionName, destination.RegionHandle);
uint size = m_scenes[destination.RegionID].RegionInfo.RegionSizeX;
float theirVersionNumber = 0f;
string[] versionComponents = theirversion.Split(new char[] { '/' });
if (versionComponents.Length >= 2)
float.TryParse(versionComponents[1], out theirVersionNumber);
// Var regions here, and the requesting simulator is in an older version.
// We will forbide this, because it crashes the viewers
if (theirVersionNumber < 0.3f && size > 256)
{
reason = "Destination is a variable-sized region, and source is an old simulator. Consider upgrading.";
m_log.DebugFormat("[LOCAL SIMULATION CONNECTOR]: Request to access this variable-sized region from {0} simulator was denied", theirVersionNumber);
return false;
}
return m_scenes[destination.RegionID].QueryAccess(agentID, agentHomeURI, viaTeleport, position, out reason);
}

6
OpenSim/Region/CoreModules/ServiceConnectorsOut/Simulation/RemoteSimulationConnector.cs
View File

@@ -207,7 +207,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
return m_remoteConnector.UpdateAgent(destination, cAgentData);
}
public bool QueryAccess(GridRegion destination, UUID agentID, string agentHomeURI, bool viaTeleport, Vector3 position, out string version, out string reason)
public bool QueryAccess(GridRegion destination, UUID agentID, string agentHomeURI, bool viaTeleport, Vector3 position, string sversion, out string version, out string reason)
{
reason = "Communications failure";
version = "Unknown";
@@ -216,12 +216,12 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
return false;
// Try local first
if (m_localBackend.QueryAccess(destination, agentID, agentHomeURI, viaTeleport, position, out version, out reason))
if (m_localBackend.QueryAccess(destination, agentID, agentHomeURI, viaTeleport, position, sversion, out version, out reason))
return true;
// else do the remote thing
if (!m_localBackend.IsLocalRegion(destination.RegionID))
return m_remoteConnector.QueryAccess(destination, agentID, agentHomeURI, viaTeleport, position, out version, out reason);
return m_remoteConnector.QueryAccess(destination, agentID, agentHomeURI, viaTeleport, position, sversion, out version, out reason);
return false;
}