Add a user server XMLRPC method to set the MOTD and the minimum GodLevel

required to log in. set_login_params accepts avatar_uuid and password of a
user with god level 200 or more, and allows setting either or both the
login_motd or login_level

OpenSim/Framework/Communications/LoginResponse.cs

@@ -275,6 +275,22 @@ namespace OpenSim.Framework.Communications
                 "false");
         }
 
+        public XmlRpcResponse CreateLoginBlockedResponse()
+        {
+            return
+                (GenerateFailureResponse("presence",
+                "Logins are currently restricted. Please try again later",
+                                         "false"));
+        }
+
+        public LLSD CreateLoginBlockedResponseLLSD()
+        {
+            return GenerateFailureResponseLLSD(
+                "presence",
+                "Logins are currently restricted. Please try again later",
+                "false");
+        }
+
         public XmlRpcResponse CreateDeadRegionResponse()
         {
             return

OpenSim/Framework/Communications/LoginService.cs

@@ -47,6 +47,7 @@ namespace OpenSim.Framework.Communications
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         protected string m_welcomeMessage = "Welcome to OpenSim";
+        protected int m_minLoginLevel = 0;
         protected UserManagerBase m_userManager = null;
         protected Mutex m_loginMutex = new Mutex(false);
 
@@ -196,6 +197,10 @@ namespace OpenSim.Framework.Communications
 
                     return logResponse.CreateLoginFailedResponse();
                 }
+                else if (userProfile.GodLevel < m_minLoginLevel)
+                {
+                    return logResponse.CreateLoginBlockedResponse();
+                }
                 else
                 {
                     // If we already have a session...
@@ -363,6 +368,10 @@ namespace OpenSim.Framework.Communications
                 {
                     return logResponse.CreateLoginFailedResponseLLSD();
                 }
+                else if (userProfile.GodLevel < m_minLoginLevel)
+                {
+                    return logResponse.CreateLoginBlockedResponseLLSD();
+                }
                 else
                 {
                     // If we already have a session...

OpenSim/Grid/UserServer/Main.cs

@@ -146,6 +146,7 @@ namespace OpenSim.Grid.UserServer
             m_httpServer.AddXmlRPCHandler("logout_of_simulator", m_userManager.XmlRPCLogOffUserMethodUUID);
             m_httpServer.AddXmlRPCHandler("get_agent_by_uuid", m_userManager.XmlRPCGetAgentMethodUUID);
             m_httpServer.AddXmlRPCHandler("check_auth_session", m_userManager.XmlRPCCheckAuthSession);
+            m_httpServer.AddXmlRPCHandler("set_login_params", m_loginService.XmlRPCSetLoginParams);
             // Message Server ---> User Server
             m_httpServer.AddXmlRPCHandler("register_messageserver", m_messagesService.XmlRPCRegisterMessageServer);
             m_httpServer.AddXmlRPCHandler("agent_change_region", m_messagesService.XmlRPCUserMovedtoRegion);

OpenSim/Grid/UserServer/UserLoginService.cs

@@ -437,5 +437,48 @@ namespace OpenSim.Grid.UserServer
                     "A root inventory folder for user {0} could not be retrieved from the inventory service",
                     userID));
         }
+
+        public XmlRpcResponse XmlRPCSetLoginParams(XmlRpcRequest request)
+        {
+            XmlRpcResponse response = new XmlRpcResponse();
+            Hashtable requestData = (Hashtable) request.Params[0];
+            UserProfileData userProfile;
+            Hashtable responseData = new Hashtable();
+
+            UUID uid;
+            string pass = requestData["password"].ToString();
+
+            if(!UUID.TryParse((string) requestData["avatar_uuid"], out uid))
+            {
+                responseData["error"] = "No authorization";
+                response.Value = responseData;
+                return response;
+            }
+
+            userProfile = m_userManager.GetUserProfile(uid);
+
+            if (userProfile == null ||
+                (!AuthenticateUser(userProfile, pass)) ||
+                userProfile.GodLevel < 200)
+            {
+                responseData["error"] = "No authorization";
+                response.Value = responseData;
+                return response;
+            }
+
+            if (requestData.ContainsKey("login_level"))
+            {
+                m_minLoginLevel = Convert.ToInt32(requestData["login_level"]);
+            }
+
+            if (requestData.ContainsKey("login_motd"))
+            {
+                m_welcomeMessage = requestData["login_motd"].ToString();
+            }
+
+            response.Value = responseData;
+            return response;
+        }
+
     }
 }