TravelingAgentInfo UpdateTravelInfo(AgentCircuitData agentCircuit, GridRegion region)
{
TravelingAgentInfo travel = new TravelingAgentInfo();
TravelingAgentInfo old = null;
lock (m_TravelingAgents)
{
if (m_TravelingAgents.ContainsKey(agentCircuit.SessionID))
{
// Very important! Override whatever this agent comes with.
// UserAgentService always sets the IP for every new agent
// with the original IP address.
agentCircuit.IPAddress = m_TravelingAgents[agentCircuit.SessionID].ClientIPAddress;
old = m_TravelingAgents[agentCircuit.SessionID];
}
m_TravelingAgents[agentCircuit.SessionID] = travel;
}
travel.UserID = agentCircuit.AgentID;
travel.GridExternalName = region.ServerURI;
travel.ServiceToken = agentCircuit.ServiceSessionID;
if (old != null)
{
travel.ClientIPAddress = old.ClientIPAddress;
}
return(old);
}
// We need to prevent foreign users with the same UUID as a local user
public bool AgentIsComingHome(UUID sessionID, string thisGridExternalName)
{
if (!m_TravelingAgents.ContainsKey(sessionID))
{
return(false);
}
TravelingAgentInfo travel = m_TravelingAgents[sessionID];
string a = travel.GridExternalName, b = thisGridExternalName;
try
{
a = NetworkUtils.GetHostFromDNS(travel.GridExternalName).ToString().ToLower();
}
catch
{
a = travel.GridExternalName;
}
try
{
b = NetworkUtils.GetHostFromDNS(thisGridExternalName).ToString().ToLower();
}
catch
{
b = thisGridExternalName;
}
return(a == b);
}
TravelingAgentInfo UpdateTravelInfo(AgentCircuitData agentCircuit, GridRegion region)
{
TravelingAgentInfo travel = new TravelingAgentInfo ();
TravelingAgentInfo old = null;
lock (m_TravelingAgents)
{
if (m_TravelingAgents.ContainsKey (agentCircuit.SessionID))
{
// Very important! Override whatever this agent comes with.
// UserAgentService always sets the IP for every new agent
// with the original IP address.
agentCircuit.IPAddress = m_TravelingAgents[agentCircuit.SessionID].ClientIPAddress;
old = m_TravelingAgents[agentCircuit.SessionID];
}
m_TravelingAgents[agentCircuit.SessionID] = travel;
}
travel.UserID = agentCircuit.AgentID;
travel.GridExternalName = region.ServerURI;
travel.ServiceToken = agentCircuit.ServiceSessionID;
if (old != null)
travel.ClientIPAddress = old.ClientIPAddress;
return old;
}
public bool LoginAgentToGrid(AgentCircuitData agentCircuit, GridRegion gatekeeper, GridRegion finalDestination, IPEndPoint clientIP, out string reason)
{
MainConsole.Instance.DebugFormat("[USER AGENT SERVICE]: Request to login user {0} (@{1}) to grid {2}",
agentCircuit.AgentID, ((clientIP == null) ? "stored IP" : clientIP.Address.ToString()), gatekeeper.ServerURI);
// Take the IP address + port of the gatekeeper (reg) plus the info of finalDestination
GridRegion region = new GridRegion();
region.FromOSD(gatekeeper.ToOSD());
region.ServerURI = gatekeeper.ServerURI;
region.ExternalHostName = finalDestination.ExternalHostName;
region.InternalEndPoint = finalDestination.InternalEndPoint;
region.RegionName = finalDestination.RegionName;
region.RegionID = finalDestination.RegionID;
region.RegionLocX = finalDestination.RegionLocX;
region.RegionLocY = finalDestination.RegionLocY;
// Generate a new service session
agentCircuit.ServiceSessionID = region.ServerURI + ";" + UUID.Random();
TravelingAgentInfo old = UpdateTravelInfo(agentCircuit, region);
bool success = false;
string myExternalIP = string.Empty;
string gridName = gatekeeper.ServerURI;
MainConsole.Instance.DebugFormat("[USER AGENT SERVICE]: this grid: {0}, desired grid: {1}", m_GridName, gridName);
if (m_GridName == gridName)
{
success = m_GatekeeperService.LoginAgent(agentCircuit, finalDestination, out reason);
}
else
{
success = m_GatekeeperConnector.CreateAgent(region, agentCircuit, (uint)TeleportFlags.ViaLogin, out myExternalIP, out reason);
if (success)
{
// Report them as nowhere with the LOGIN_STATUS_LOCKED so that they don't get logged out automatically after an hour of not responding via HG
m_PresenceService.SetLastPosition(agentCircuit.AgentID.ToString(), AgentInfoHelpers.LOGIN_STATUS_LOCKED, Vector3.Zero, Vector3.Zero);
}
}
if (!success)
{
MainConsole.Instance.DebugFormat("[USER AGENT SERVICE]: Unable to login user {0} to grid {1}, reason: {2}",
agentCircuit.AgentID, region.ServerURI, reason);
// restore the old travel info
lock (m_TravelingAgents)
{
if (old == null)
{
m_TravelingAgents.Remove(agentCircuit.SessionID);
}
else
{
m_TravelingAgents[agentCircuit.SessionID] = old;
}
}
return(false);
}
else
{
reason = "";
}
MainConsole.Instance.DebugFormat("[USER AGENT SERVICE]: Gatekeeper sees me as {0}", myExternalIP);
// else set the IP addresses associated with this client
if (clientIP != null)
{
m_TravelingAgents[agentCircuit.SessionID].ClientIPAddress = clientIP.Address.ToString();
}
m_TravelingAgents[agentCircuit.SessionID].MyIpAddress = myExternalIP;
return(true);
}