public bool VerifyClient(UUID sessionID, string reportedIP)
{
if (m_BypassClientVerification)
{
return(true);
}
m_log.DebugFormat("[USER AGENT SERVICE]: Verifying Client session {0} with reported IP {1}.",
sessionID, reportedIP);
HGTravelingData hgt = m_Database.Get(sessionID);
if (hgt == null)
{
return(false);
}
TravelingAgentInfo travel = new TravelingAgentInfo(hgt);
bool result = travel.ClientIPAddress == reportedIP;
if (!result && !string.IsNullOrEmpty(m_MyExternalIP))
{
result = reportedIP == m_MyExternalIP; // NATed
}
m_log.DebugFormat("[USER AGENT SERVICE]: Comparing {0} with login IP {1} and MyIP {2}; result is {3}",
reportedIP, travel.ClientIPAddress, m_MyExternalIP, result);
return(result);
}
TravelingAgentInfo CreateTravelInfo(AgentCircuitData agentCircuit, GridRegion region, bool fromLogin, out TravelingAgentInfo existing)
{
HGTravelingData hgt = m_Database.Get(agentCircuit.SessionID);
existing = null;
if (hgt != null)
{
// Very important! Override whatever this agent comes with.
// UserAgentService always sets the IP for every new agent
// with the original IP address.
existing = new TravelingAgentInfo(hgt);
agentCircuit.IPAddress = existing.ClientIPAddress;
}
TravelingAgentInfo travel = new TravelingAgentInfo(existing);
travel.SessionID = agentCircuit.SessionID;
travel.UserID = agentCircuit.AgentID;
travel.GridExternalName = region.ServerURI;
travel.ServiceToken = agentCircuit.ServiceSessionID;
if (fromLogin)
{
travel.ClientIPAddress = agentCircuit.IPAddress;
}
StoreTravelInfo(travel);
return(travel);
}
public string ClientIPAddress = string.Empty; // as seen from this user agent service
public TravelingAgentInfo(HGTravelingData t)
{
if (t.Data != null)
{
SessionID = new UUID(t.SessionID);
UserID = new UUID(t.UserID);
GridExternalName = t.Data["GridExternalName"];
ServiceToken = t.Data["ServiceToken"];
ClientIPAddress = t.Data["ClientIPAddress"];
}
}
// We need to prevent foreign users with the same UUID as a local user
public bool IsAgentComingHome(UUID sessionID, string thisGridExternalName)
{
HGTravelingData hgt = m_Database.Get(sessionID);
if (hgt == null)
{
return(false);
}
TravelingAgentInfo travel = new TravelingAgentInfo(hgt);
return(travel.GridExternalName.ToLower() == thisGridExternalName.ToLower());
}
public bool VerifyAgent(UUID sessionID, string token)
{
HGTravelingData hgt = m_Database.Get(sessionID);
if (hgt == null)
{
m_log.DebugFormat("[USER AGENT SERVICE]: Token verification for session {0}: no such session", sessionID);
return(false);
}
TravelingAgentInfo travel = new TravelingAgentInfo(hgt);
m_log.DebugFormat("[USER AGENT SERVICE]: Verifying agent token {0} against {1}", token, travel.ServiceToken);
return(travel.ServiceToken == token);
}
private void StoreTravelInfo(TravelingAgentInfo travel)
{
if (travel == null)
{
return;
}
HGTravelingData hgt = new HGTravelingData();
hgt.SessionID = travel.SessionID;
hgt.UserID = travel.UserID;
hgt.Data = new Dictionary <string, string>();
hgt.Data["GridExternalName"] = travel.GridExternalName;
hgt.Data["ServiceToken"] = travel.ServiceToken;
hgt.Data["ClientIPAddress"] = travel.ClientIPAddress;
m_Database.Store(hgt);
}