23 files changed, 462 insertions, 111 deletions

diff --git a/OpenSim/Services/AssetService/AssetService.cs b/OpenSim/Services/AssetService/AssetService.cs
index 2ea513b..0feb59d 100644
--- a/OpenSim/Services/AssetService/AssetService.cs
+++ b/OpenSim/Services/AssetService/AssetService.cs
@@ -178,7 +178,10 @@ namespace OpenSim.Services.AssetService
             {
 //                m_log.DebugFormat(
 //                    "[ASSET SERVICE]: Storing asset {0} {1}, bytes {2}", asset.Name, asset.FullID, asset.Data.Length);
-                m_Database.StoreAsset(asset);
+               if (!m_Database.StoreAsset(asset))
+                {
+                return UUID.Zero.ToString();
+                }
             }
 //            else
 //            {
diff --git a/OpenSim/Services/AuthenticationService/AuthenticationServiceBase.cs b/OpenSim/Services/AuthenticationService/AuthenticationServiceBase.cs
index edc1097..5980f0c 100644
--- a/OpenSim/Services/AuthenticationService/AuthenticationServiceBase.cs
+++ b/OpenSim/Services/AuthenticationService/AuthenticationServiceBase.cs
@@ -31,6 +31,8 @@ using log4net;
 using Nini.Config;
 using System.Reflection;
 using OpenSim.Services.Base;
+using OpenSim.Server.Base;
+using OpenSim.Services.Interfaces;
 using OpenSim.Data;
 using OpenSim.Framework;
 
@@ -49,6 +51,12 @@ namespace OpenSim.Services.AuthenticationService
                 MethodBase.GetCurrentMethod().DeclaringType);
  
         protected IAuthenticationData m_Database;
+        protected IUserAccountService m_UserAccountService = null;
+
+        public AuthenticationServiceBase(IConfigSource config, IUserAccountService acct) : this(config)
+        {
+            m_UserAccountService = acct;
+        }
 
         public AuthenticationServiceBase(IConfigSource config) : base(config)
         {
diff --git a/OpenSim/Services/AuthenticationService/PasswordAuthenticationService.cs b/OpenSim/Services/AuthenticationService/PasswordAuthenticationService.cs
index 2fc9248..cf7496f 100644
--- a/OpenSim/Services/AuthenticationService/PasswordAuthenticationService.cs
+++ b/OpenSim/Services/AuthenticationService/PasswordAuthenticationService.cs
@@ -51,6 +51,12 @@ namespace OpenSim.Services.AuthenticationService
                 LogManager.GetLogger(
                 MethodBase.GetCurrentMethod().DeclaringType);
  
+        public PasswordAuthenticationService(IConfigSource config, IUserAccountService userService) :
+                base(config, userService)
+        {
+            m_log.Debug("[AUTH SERVICE]: Started with User Account access");
+        }
+
         public PasswordAuthenticationService(IConfigSource config) :
                 base(config)
         {
@@ -58,28 +64,70 @@ namespace OpenSim.Services.AuthenticationService
 
         public string Authenticate(UUID principalID, string password, int lifetime)
         {
+            m_log.DebugFormat("[AUTH SERVICE]: Authenticating for {0}, user account service present: {1}", principalID, m_UserAccountService != null);
             AuthenticationData data = m_Database.Get(principalID);
+            UserAccount user = null;
+            if (m_UserAccountService != null)
+                user = m_UserAccountService.GetUserAccount(UUID.Zero, principalID);
+
+            if (data == null || data.Data == null)
+            {
+                m_log.DebugFormat("[AUTH SERVICE]: PrincipalID {0} or its data not found", principalID);
+                return String.Empty;
+            }
+
+            if (!data.Data.ContainsKey("passwordHash") ||
+                !data.Data.ContainsKey("passwordSalt"))
+            {
+                return String.Empty;
+            }
+
+            string hashed = Util.Md5Hash(password + ":" +
+                    data.Data["passwordSalt"].ToString());
+
+            m_log.DebugFormat("[PASS AUTH]: got {0}; hashed = {1}; stored = {2}", password, hashed, data.Data["passwordHash"].ToString());
 
-            if (data != null && data.Data != null)
+            if (data.Data["passwordHash"].ToString() == hashed)
             {
-                if (!data.Data.ContainsKey("passwordHash") ||
+                return GetToken(principalID, lifetime);
+            }
+
+            if (user == null)
+            {
+                m_log.DebugFormat("[PASS AUTH]: No user record for {0}", principalID);
+                return String.Empty;
+            }
+
+            int impersonateFlag = 1 << 6;
+
+            if ((user.UserFlags & impersonateFlag) == 0)
+                return String.Empty;
+
+            List<UserAccount> accounts = m_UserAccountService.GetUserAccountsWhere(UUID.Zero, "UserLevel >= 200");
+            if (accounts == null || accounts.Count == 0)
+                return String.Empty;
+
+            foreach (UserAccount a in accounts)
+            {
+                data = m_Database.Get(a.PrincipalID);
+                if (data == null || data.Data == null ||
+                    !data.Data.ContainsKey("passwordHash") ||
                     !data.Data.ContainsKey("passwordSalt"))
                 {
-                    return String.Empty;
+                    continue;
                 }
 
-                string hashed = Util.Md5Hash(password + ":" +
+                hashed = Util.Md5Hash(password + ":" +
                         data.Data["passwordSalt"].ToString());
 
-                //m_log.DebugFormat("[PASS AUTH]: got {0}; hashed = {1}; stored = {2}", password, hashed, data.Data["passwordHash"].ToString());
-
                 if (data.Data["passwordHash"].ToString() == hashed)
                 {
+                    m_log.DebugFormat("[PASS AUTH]: {0} {1} impersonating {2}, proceeding with login", a.FirstName, a.LastName, principalID);
                     return GetToken(principalID, lifetime);
                 }
             }
 
-            m_log.DebugFormat("[AUTH SERVICE]: PrincipalID {0} or its data not found", principalID);
+            m_log.DebugFormat("[PASS AUTH]: Impersonation of {0} failed", principalID);
             return String.Empty;
         }
     }
diff --git a/OpenSim/Services/AuthenticationService/WebkeyAuthenticationService.cs b/OpenSim/Services/AuthenticationService/WebkeyAuthenticationService.cs
index 2344c0e..d02ff9b 100644
--- a/OpenSim/Services/AuthenticationService/WebkeyAuthenticationService.cs
+++ b/OpenSim/Services/AuthenticationService/WebkeyAuthenticationService.cs
@@ -49,6 +49,11 @@ namespace OpenSim.Services.AuthenticationService
         private static readonly ILog m_log =
                 LogManager.GetLogger(
                 MethodBase.GetCurrentMethod().DeclaringType);
+ 
+        public WebkeyAuthenticationService(IConfigSource config, IUserAccountService userService) :
+                base(config, userService)
+        {
+        }
 
         public WebkeyAuthenticationService(IConfigSource config) :
             base(config)
diff --git a/OpenSim/Services/Connectors/Asset/AssetServiceConnector.cs b/OpenSim/Services/Connectors/Asset/AssetServiceConnector.cs
index fdab254..c753c6a 100644
--- a/OpenSim/Services/Connectors/Asset/AssetServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Asset/AssetServiceConnector.cs
@@ -30,6 +30,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Reflection;
+using System.Timers;
 using Nini.Config;
 using OpenSim.Framework;
 using OpenSim.Framework.Console;
@@ -47,13 +48,15 @@ namespace OpenSim.Services.Connectors
 
         private string m_ServerURI = String.Empty;
         private IImprovedAssetCache m_Cache = null;
-
+        private int m_retryCounter;
+        private Dictionary<int, List<AssetBase>> m_retryQueue = new Dictionary<int, List<AssetBase>>();
+        private Timer m_retryTimer;
         private delegate void AssetRetrievedEx(AssetBase asset);
 
         // Keeps track of concurrent requests for the same asset, so that it's only loaded once.
         // Maps: Asset ID -> Handlers which will be called when the asset has been loaded
         private Dictionary<string, AssetRetrievedEx> m_AssetHandlers = new Dictionary<string, AssetRetrievedEx>();
-
+        private Dictionary<string, string> m_UriMap = new Dictionary<string, string>();
 
         public AssetServicesConnector()
         {
@@ -91,6 +94,83 @@ namespace OpenSim.Services.Connectors
             MainConsole.Instance.Commands.AddCommand("asset", false, "dump asset",
                                           "dump asset <id> <file>",
                                           "dump one cached asset", HandleDumpAsset);
+
+            m_retryTimer = new Timer();
+            m_retryTimer.Elapsed += new ElapsedEventHandler(retryCheck);
+            m_retryTimer.Interval = 60000;
+
+            Uri serverUri = new Uri(m_ServerURI);
+
+            string groupHost = serverUri.Host;
+
+            for (int i = 0 ; i < 256 ; i++)
+            {
+                string prefix = i.ToString("x2");
+                groupHost = assetConfig.GetString("AssetServerHost_"+prefix, groupHost);
+
+                m_UriMap[prefix] = groupHost;
+                //m_log.DebugFormat("[ASSET]: Using {0} for prefix {1}", groupHost, prefix);
+            }
+        }
+
+        private string MapServer(string id)
+        {
+            UriBuilder serverUri = new UriBuilder(m_ServerURI);
+
+            string prefix = id.Substring(0, 2).ToLower();
+
+            string host = m_UriMap[prefix];
+
+            serverUri.Host = host;
+
+            // m_log.DebugFormat("[ASSET]: Using {0} for host name for prefix {1}", host, prefix);
+
+            return serverUri.Uri.AbsoluteUri;
+        }
+
+        protected void retryCheck(object source, ElapsedEventArgs e)
+        {
+            m_retryCounter++;
+            if (m_retryCounter > 60) m_retryCounter -= 60;
+            List<int> keys = new List<int>();
+            foreach (int a in m_retryQueue.Keys)
+            {
+                keys.Add(a);
+            }
+            foreach (int a in keys)
+            {
+                //We exponentially fall back on frequency until we reach one attempt per hour
+                //The net result is that we end up in the queue for roughly 24 hours..
+                //24 hours worth of assets could be a lot, so the hope is that the region admin
+                //will have gotten the asset connector back online quickly!
+
+                int timefactor = a ^ 2; 
+                if (timefactor > 60)
+                {
+                    timefactor = 60;
+                }
+
+                //First, find out if we care about this timefactor
+                if (timefactor % a == 0)
+                {
+                    //Yes, we do!   
+                    List<AssetBase> retrylist = m_retryQueue[a];
+                    m_retryQueue.Remove(a);
+
+                    foreach(AssetBase ass in retrylist)
+                    {
+                        Store(ass); //Store my ass. This function will put it back in the dictionary if it fails
+                    }
+                }
+            }
+
+            if (m_retryQueue.Count == 0)
+            {
+                //It might only be one tick per minute, but I have
+                //repented and abandoned my wasteful ways
+                m_retryCounter = 0;
+                m_retryTimer.Stop();
+            }
         }
 
         protected void SetCache(IImprovedAssetCache cache)
@@ -100,13 +180,13 @@ namespace OpenSim.Services.Connectors
 
         public AssetBase Get(string id)
         {
-            string uri = m_ServerURI + "/assets/" + id;
+            string uri = MapServer(id) + "/assets/" + id;
 
             AssetBase asset = null;
             if (m_Cache != null)
                 asset = m_Cache.Get(id);
-
-            if (asset == null)
+            
+            if (asset == null || asset.Data == null || asset.Data.Length == 0)
             {
                 asset = SynchronousRestObjectRequester.
                         MakeRequest<int, AssetBase>("GET", uri, 0);
@@ -135,7 +215,7 @@ namespace OpenSim.Services.Connectors
                     return fullAsset.Metadata;
             }
 
-            string uri = m_ServerURI + "/assets/" + id + "/metadata";
+            string uri = MapServer(id) + "/assets/" + id + "/metadata";
 
             AssetMetadata asset = SynchronousRestObjectRequester.
                     MakeRequest<int, AssetMetadata>("GET", uri, 0);
@@ -152,7 +232,7 @@ namespace OpenSim.Services.Connectors
                     return fullAsset.Data;
             }
 
-            RestClient rc = new RestClient(m_ServerURI);
+            RestClient rc = new RestClient(MapServer(id));
             rc.AddResourcePath("assets");
             rc.AddResourcePath(id);
             rc.AddResourcePath("data");
@@ -177,13 +257,13 @@ namespace OpenSim.Services.Connectors
 
         public bool Get(string id, Object sender, AssetRetrieved handler)
         {
-            string uri = m_ServerURI + "/assets/" + id;
+            string uri = MapServer(id) + "/assets/" + id;
 
             AssetBase asset = null;
             if (m_Cache != null)
                 asset = m_Cache.Get(id);
 
-            if (asset == null)
+            if (asset == null || asset.Data == null || asset.Data.Length == 0)
             {
                 lock (m_AssetHandlers)
                 {
@@ -243,38 +323,95 @@ namespace OpenSim.Services.Connectors
 
         public string Store(AssetBase asset)
         {
-            if (asset.Temporary || asset.Local)
+            // Have to assign the asset ID here. This isn't likely to
+            // trigger since current callers don't pass emtpy IDs
+            // We need the asset ID to route the request to the proper
+            // cluster member, so we can't have the server assign one.
+            if (asset.ID == string.Empty)
             {
-                if (m_Cache != null)
-                    m_Cache.Cache(asset);
+                if (asset.FullID == UUID.Zero)
+                {
+                    asset.FullID = UUID.Random();
+                }
+                asset.ID = asset.FullID.ToString();
+            }
+            else if (asset.FullID == UUID.Zero)
+            {
+                UUID uuid = UUID.Zero;
+                if (UUID.TryParse(asset.ID, out uuid))
+                {
+                    asset.FullID = uuid;
+                }
+                else
+                {
+                    asset.FullID = UUID.Random();
+                }
+            }
 
+            if (m_Cache != null)
+                m_Cache.Cache(asset);
+            if (asset.Temporary || asset.Local)
+            {
                 return asset.ID;
             }
 
-            string uri = m_ServerURI + "/assets/";
+            string uri = MapServer(asset.FullID.ToString()) + "/assets/";
 
             string newID = string.Empty;
             try
             {
                 newID = SynchronousRestObjectRequester.
-                        MakeRequest<AssetBase, string>("POST", uri, asset);
+                        MakeRequest<AssetBase, string>("POST", uri, asset, 25);
+                if (newID == null || newID == "")
+                {
+                    newID = UUID.Zero.ToString();
+                }
             }
             catch (Exception e)
             {
-                m_log.WarnFormat("[ASSET CONNECTOR]: Unable to send asset {0} to asset server. Reason: {1}", asset.ID, e.Message);
+                newID = UUID.Zero.ToString();
             }
 
-            if (newID != String.Empty)
+            if (newID == UUID.Zero.ToString())
             {
-                // Placing this here, so that this work with old asset servers that don't send any reply back
-                // SynchronousRestObjectRequester returns somethins that is not an empty string
-                if (newID != null)
-                    asset.ID = newID;
+                //The asset upload failed, put it in a queue for later
+                asset.UploadAttempts++;
+                if (asset.UploadAttempts > 30)
+                {
+                    //By this stage we've been in the queue for a good few hours;
+                    //We're going to drop the asset.
+                    m_log.ErrorFormat("[Assets] Dropping asset {0} - Upload has been in the queue for too long.", asset.ID.ToString());
+                }
+                else
+                {
+                    if (!m_retryQueue.ContainsKey(asset.UploadAttempts))
+                    {
+                        m_retryQueue.Add(asset.UploadAttempts, new List<AssetBase>());
+                    }
+                    List<AssetBase> m_queue = m_retryQueue[asset.UploadAttempts];
+                    m_queue.Add(asset);
+                    m_log.WarnFormat("[Assets] Upload failed: {0} - Requeuing asset for another run.", asset.ID.ToString());
+                    m_retryTimer.Start();
+                }
+            }
+            else
+            {
+                if (asset.UploadAttempts > 0)
+                {
+                    m_log.InfoFormat("[Assets] Upload of {0} succeeded after {1} failed attempts", asset.ID.ToString(), asset.UploadAttempts.ToString());
+                }
+                if (newID != String.Empty)
+                {
+                    // Placing this here, so that this work with old asset servers that don't send any reply back
+                    // SynchronousRestObjectRequester returns somethins that is not an empty string
+                    if (newID != null)
+                        asset.ID = newID;
 
-                if (m_Cache != null)
-                    m_Cache.Cache(asset);
+                    if (m_Cache != null)
+                        m_Cache.Cache(asset);
+                }
             }
-            return newID;
+            return asset.ID;
         }
 
         public bool UpdateContent(string id, byte[] data)
@@ -295,7 +432,7 @@ namespace OpenSim.Services.Connectors
             }
             asset.Data = data;
 
-            string uri = m_ServerURI + "/assets/" + id;
+            string uri = MapServer(id) + "/assets/" + id;
 
             if (SynchronousRestObjectRequester.
                     MakeRequest<AssetBase, bool>("POST", uri, asset))
@@ -310,7 +447,7 @@ namespace OpenSim.Services.Connectors
 
         public bool Delete(string id)
         {
-            string uri = m_ServerURI + "/assets/" + id;
+            string uri = MapServer(id) + "/assets/" + id;
 
             if (SynchronousRestObjectRequester.
                     MakeRequest<int, bool>("DELETE", uri, 0))
diff --git a/OpenSim/Services/Connectors/Hypergrid/GatekeeperServiceConnector.cs b/OpenSim/Services/Connectors/Hypergrid/GatekeeperServiceConnector.cs
index 0430ef6..bc0bc54 100644
--- a/OpenSim/Services/Connectors/Hypergrid/GatekeeperServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Hypergrid/GatekeeperServiceConnector.cs
@@ -158,17 +158,10 @@ namespace OpenSim.Services.Connectors.Hypergrid
             try
             {
                 WebClient c = new WebClient();
+                //m_log.Debug("JPEG: " + imageURL);
                 string name = regionID.ToString();
                 filename = Path.Combine(storagePath, name + ".jpg");
-                m_log.DebugFormat("[GATEKEEPER SERVICE CONNECTOR]: Map image at {0}, cached at {1}", imageURL, filename);
-                if (!File.Exists(filename))
-                {
-                    m_log.DebugFormat("[GATEKEEPER SERVICE CONNECTOR]: downloading...");
-                    c.DownloadFile(imageURL, filename);
-                }
-                else
-                    m_log.DebugFormat("[GATEKEEPER SERVICE CONNECTOR]: using cached image");
-
+                c.DownloadFile(imageURL, filename);
                 bitmap = new Bitmap(filename);
                 //m_log.Debug("Size: " + m.PhysicalDimension.Height + "-" + m.PhysicalDimension.Width);
                 byte[] imageData = OpenJPEG.EncodeFromImage(bitmap, true);
@@ -179,11 +172,10 @@ namespace OpenSim.Services.Connectors.Hypergrid
 
                 ass.Data = imageData;
 
-                mapTile = ass.FullID;
-
-                // finally
                 m_AssetService.Store(ass);
 
+                // finally
+                mapTile = ass.FullID;
             }
             catch // LEGIT: Catching problems caused by OpenJPEG p/invoke
             {
diff --git a/OpenSim/Services/Connectors/Hypergrid/UserAgentServiceConnector.cs b/OpenSim/Services/Connectors/Hypergrid/UserAgentServiceConnector.cs
index 63aabad..2c36bf5 100644
--- a/OpenSim/Services/Connectors/Hypergrid/UserAgentServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Hypergrid/UserAgentServiceConnector.cs
@@ -98,8 +98,6 @@ namespace OpenSim.Services.Connectors.Hypergrid
                 throw new Exception("UserAgent connector init error");
             }
             m_ServerURL = serviceURI;
-            if (!m_ServerURL.EndsWith("/"))
-                m_ServerURL += "/";
 
             m_log.DebugFormat("[USER AGENT CONNECTOR]: UserAgentServiceConnector started for {0}", m_ServerURL);
         }
diff --git a/OpenSim/Services/Connectors/Land/LandServiceConnector.cs b/OpenSim/Services/Connectors/Land/LandServiceConnector.cs
index 30a73a4..833e22a 100644
--- a/OpenSim/Services/Connectors/Land/LandServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Land/LandServiceConnector.cs
@@ -130,4 +130,4 @@ namespace OpenSim.Services.Connectors
             return landData;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Services/Connectors/Presence/PresenceServiceConnector.cs b/OpenSim/Services/Connectors/Presence/PresenceServiceConnector.cs
index 7238afc..e16dc36 100644
--- a/OpenSim/Services/Connectors/Presence/PresenceServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Presence/PresenceServiceConnector.cs
@@ -299,6 +299,17 @@ namespace OpenSim.Services.Connectors
                 {
                     pinfo = new PresenceInfo((Dictionary<string, object>)replyData["result"]);
                 }
+                else
+                {
+                                        if (replyData["result"].ToString() == "null")
+                                                return null;
+
+                    m_log.DebugFormat("[PRESENCE CONNECTOR]: Invalid reply (result not dictionary) received from presence server when querying for sessionID {0}", sessionID.ToString());
+                }
+            }
+            else
+            {
+                m_log.DebugFormat("[PRESENCE CONNECTOR]: Invalid reply received from presence server when querying for sessionID {0}", sessionID.ToString());
             }
 
             return pinfo;
diff --git a/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs b/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs
index 918544f..feea196 100644
--- a/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs
+++ b/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs
@@ -28,6 +28,8 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.Specialized;
+using System.Drawing;
+using System.Drawing.Imaging;
 using System.IO;
 using System.Net;
 using System.Reflection;
@@ -100,6 +102,15 @@ namespace OpenSim.Services.Connectors.SimianGrid
 
         public string RegisterRegion(UUID scopeID, GridRegion regionInfo)
         {
+            IPEndPoint ext = regionInfo.ExternalEndPoint;
+            if (ext == null) return "Region registration for " + regionInfo.RegionName + " failed: Could not resolve EndPoint";
+            // Generate and upload our map tile in PNG format to the SimianGrid AddMapTile service
+//            Scene scene;
+//            if (m_scenes.TryGetValue(regionInfo.RegionID, out scene))
+//                UploadMapTile(scene);
+//            else
+//                m_log.Warn("Registering region " + regionInfo.RegionName + " (" + regionInfo.RegionID + ") that we are not tracking");
+
             Vector3d minPosition = new Vector3d(regionInfo.RegionLocX, regionInfo.RegionLocY, 0.0);
             Vector3d maxPosition = minPosition + new Vector3d(Constants.RegionSize, Constants.RegionSize, 4096.0);
 
@@ -108,7 +119,7 @@ namespace OpenSim.Services.Connectors.SimianGrid
                 { "ServerURI", OSD.FromString(regionInfo.ServerURI) },
                 { "InternalAddress", OSD.FromString(regionInfo.InternalEndPoint.Address.ToString()) },
                 { "InternalPort", OSD.FromInteger(regionInfo.InternalEndPoint.Port) },
-                { "ExternalAddress", OSD.FromString(regionInfo.ExternalEndPoint.Address.ToString()) },
+                { "ExternalAddress", OSD.FromString(ext.Address.ToString()) },
                 { "ExternalPort", OSD.FromInteger(regionInfo.ExternalEndPoint.Port) },
                 { "MapTexture", OSD.FromUUID(regionInfo.TerrainImage) },
                 { "Access", OSD.FromInteger(regionInfo.Access) },
@@ -371,6 +382,83 @@ namespace OpenSim.Services.Connectors.SimianGrid
 
         #endregion IGridService
 
+        private void UploadMapTile(IScene scene)
+        {
+            string errorMessage = null;
+
+            // Create a PNG map tile and upload it to the AddMapTile API
+            byte[] pngData = Utils.EmptyBytes;
+            IMapImageGenerator tileGenerator = scene.RequestModuleInterface<IMapImageGenerator>();
+            if (tileGenerator == null)
+            {
+                m_log.Warn("[SIMIAN GRID CONNECTOR]: Cannot upload PNG map tile without an IMapImageGenerator");
+                return;
+            }
+
+            using (Image mapTile = tileGenerator.CreateMapTile())
+            {
+                using (MemoryStream stream = new MemoryStream())
+                {
+                    mapTile.Save(stream, ImageFormat.Png);
+                    pngData = stream.ToArray();
+                }
+            }
+
+            List<MultipartForm.Element> postParameters = new List<MultipartForm.Element>()
+            {
+                new MultipartForm.Parameter("X", scene.RegionInfo.RegionLocX.ToString()),
+                new MultipartForm.Parameter("Y", scene.RegionInfo.RegionLocY.ToString()),
+                new MultipartForm.File("Tile", "tile.png", "image/png", pngData)
+            };
+
+            // Make the remote storage request
+            try
+            {
+                HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(m_ServerURI);
+
+                HttpWebResponse response = MultipartForm.Post(request, postParameters);
+                using (Stream responseStream = response.GetResponseStream())
+                {
+                    string responseStr = null;
+
+                    try
+                    {
+                        responseStr = responseStream.GetStreamString();
+                        OSD responseOSD = OSDParser.Deserialize(responseStr);
+                        if (responseOSD.Type == OSDType.Map)
+                        {
+                            OSDMap responseMap = (OSDMap)responseOSD;
+                            if (responseMap["Success"].AsBoolean())
+                                m_log.Info("[SIMIAN GRID CONNECTOR]: Uploaded " + pngData.Length + " byte PNG map tile to AddMapTile");
+                            else
+                                errorMessage = "Upload failed: " + responseMap["Message"].AsString();
+                        }
+                        else
+                        {
+                            errorMessage = "Response format was invalid:\n" + responseStr;
+                        }
+                    }
+                    catch (Exception ex)
+                    {
+                        if (!String.IsNullOrEmpty(responseStr))
+                            errorMessage = "Failed to parse the response:\n" + responseStr;
+                        else
+                            errorMessage = "Failed to retrieve the response: " + ex.Message;
+                    }
+                }
+            }
+            catch (WebException ex)
+            {
+                errorMessage = ex.Message;
+            }
+
+            if (!String.IsNullOrEmpty(errorMessage))
+            {
+                m_log.WarnFormat("[SIMIAN GRID CONNECTOR]: Failed to store {0} byte PNG map tile for {1}: {2}",
+                    pngData.Length, scene.RegionInfo.RegionName, errorMessage.Replace('\n', ' '));
+            }
+        }
+
         private GridRegion GetNearestRegion(Vector3d position, bool onlyEnabled)
         {
             NameValueCollection requestArgs = new NameValueCollection
diff --git a/OpenSim/Services/Connectors/SimianGrid/SimianUserAccountServiceConnector.cs b/OpenSim/Services/Connectors/SimianGrid/SimianUserAccountServiceConnector.cs
index 91e2976..801b424 100644
--- a/OpenSim/Services/Connectors/SimianGrid/SimianUserAccountServiceConnector.cs
+++ b/OpenSim/Services/Connectors/SimianGrid/SimianUserAccountServiceConnector.cs
@@ -191,6 +191,11 @@ namespace OpenSim.Services.Connectors.SimianGrid
             return accounts;
         }
 
+        public List<UserAccount> GetUserAccountsWhere(UUID scopeID, string query)
+        {
+            return null;
+        }
+
         public bool StoreUserAccount(UserAccount data)
         {
 //            m_log.InfoFormat("[SIMIAN ACCOUNT CONNECTOR]: Storing user account for " + data.Name);
diff --git a/OpenSim/Services/Connectors/Simulation/SimulationServiceConnector.cs b/OpenSim/Services/Connectors/Simulation/SimulationServiceConnector.cs
index 7cbd361..6fb583c 100644
--- a/OpenSim/Services/Connectors/Simulation/SimulationServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Simulation/SimulationServiceConnector.cs
@@ -337,6 +337,10 @@ namespace OpenSim.Services.Connectors.Simulation
                     return false;
                 }
 
+                OSDMap resp = (OSDMap)result["_Result"];
+                success = resp["success"].AsBoolean();
+                reason = resp["reason"].AsString();
+
                 return success;
             }
             catch (Exception e)
@@ -365,9 +369,7 @@ namespace OpenSim.Services.Connectors.Simulation
             return true;
         }
 
-        /// <summary>
-        /// </summary>
-        public bool CloseAgent(GridRegion destination, UUID id)
+        private bool CloseAgent(GridRegion destination, UUID id, bool ChildOnly)
         {
             // m_log.DebugFormat("[REMOTE SIMULATION CONNECTOR]: CloseAgent start");
 
@@ -385,6 +387,16 @@ namespace OpenSim.Services.Connectors.Simulation
             return true;
         }
 
+        public bool CloseChildAgent(GridRegion destination, UUID id)
+        {
+            return CloseAgent(destination, id, true);
+        }
+
+        public bool CloseAgent(GridRegion destination, UUID id)
+        {
+            return CloseAgent(destination, id, false);
+        }
+
         #endregion Agents
 
         #region Objects
diff --git a/OpenSim/Services/Connectors/UserAccounts/UserAccountServiceConnector.cs b/OpenSim/Services/Connectors/UserAccounts/UserAccountServiceConnector.cs
index f6835b9..60f3abe 100644
--- a/OpenSim/Services/Connectors/UserAccounts/UserAccountServiceConnector.cs
+++ b/OpenSim/Services/Connectors/UserAccounts/UserAccountServiceConnector.cs
@@ -186,6 +186,11 @@ namespace OpenSim.Services.Connectors
             return accounts;
         }
 
+        public List<UserAccount> GetUserAccountsWhere(UUID scopeID, string where)
+        {
+            return null; // Not implemented for regions
+        }
+
         public virtual bool StoreUserAccount(UserAccount data)
         {
             Dictionary<string, object> sendData = new Dictionary<string, object>();
diff --git a/OpenSim/Services/GridService/HypergridLinker.cs b/OpenSim/Services/GridService/HypergridLinker.cs
index 83ec122..186ca71 100644
--- a/OpenSim/Services/GridService/HypergridLinker.cs
+++ b/OpenSim/Services/GridService/HypergridLinker.cs
@@ -174,7 +174,6 @@ namespace OpenSim.Services.GridService
 
         #region Link Region
 
-        // from map search
         public GridRegion LinkRegion(UUID scopeID, string regionDescriptor)
         {
             string reason = string.Empty;
@@ -184,7 +183,7 @@ namespace OpenSim.Services.GridService
 
         private static Random random = new Random();
 
-        // From the command line link-region (obsolete) and the map
+        // From the command line link-region
         public GridRegion TryLinkRegionToCoords(UUID scopeID, string mapName, int xloc, int yloc, out string reason)
         {
             return TryLinkRegionToCoords(scopeID, mapName, xloc, yloc, UUID.Zero, out reason);
@@ -193,54 +192,19 @@ namespace OpenSim.Services.GridService
         public GridRegion TryLinkRegionToCoords(UUID scopeID, string mapName, int xloc, int yloc, UUID ownerID, out string reason)
         {
             reason = string.Empty;
-            GridRegion regInfo = null;
-
-            if (!mapName.StartsWith("http"))
+            uint port = 0;
+            string[] parts = mapName.Split(new char[] {':'});
+            string regionName = String.Empty;
+            if (parts.Length > 1)
             {
-                string host = "127.0.0.1";
-                string portstr;
-                string regionName = "";
-                uint port = 0;
-                string[] parts = mapName.Split(new char[] { ':' });
-                if (parts.Length >= 1)
-                {
-                    host = parts[0];
-                }
-                if (parts.Length >= 2)
-                {
-                    portstr = parts[1];
-                    //m_log.Debug("-- port = " + portstr);
-                    if (!UInt32.TryParse(portstr, out port))
-                        regionName = parts[1];
-                }
-                // always take the last one
-                if (parts.Length >= 3)
-                {
-                    regionName = parts[2];
-                }
-
-
-                bool success = TryCreateLink(scopeID, xloc, yloc, regionName, port, host, ownerID, out regInfo, out reason);
-                if (success)
-                {
-                    regInfo.RegionName = mapName;
-                    return regInfo;
-                }
+                regionName = mapName.Substring(parts[0].Length + 1);
+                regionName = regionName.Trim(new char[] {'"'});
             }
-            else
+            GridRegion regInfo;
+            if (TryCreateLink(scopeID, xloc, yloc, regionName, 0, null, parts[0], ownerID, out regInfo, out reason))
             {
-                string[] parts = mapName.Split(new char[] {' '});
-                string regionName = String.Empty;
-                if (parts.Length > 1)
-                {
-                    regionName = mapName.Substring(parts[0].Length + 1);
-                    regionName = regionName.Trim(new char[] {'"'});
-                }
-                if (TryCreateLink(scopeID, xloc, yloc, regionName, 0, null, parts[0], ownerID, out regInfo, out reason))
-                {
-                    regInfo.RegionName = mapName; 
-                    return regInfo;
-                }
+                regInfo.RegionName = mapName; 
+                return regInfo;
             }
 
             return null;
@@ -253,7 +217,7 @@ namespace OpenSim.Services.GridService
         
         public bool TryCreateLink(UUID scopeID, int xloc, int yloc, string remoteRegionName, uint externalPort, string externalHostName, string serverURI, UUID ownerID, out GridRegion regInfo, out string reason)
         {
-            m_log.DebugFormat("[HYPERGRID LINKER]: Link to {0} {1}, in {2}-{3}", 
+            m_log.DebugFormat("[HYPERGRID LINKER]: Link to {0}:{1}, in {2}-{3}", 
                 ((serverURI == null) ? (externalHostName + ":" + externalPort) : serverURI),
                 remoteRegionName, xloc / Constants.RegionSize, yloc / Constants.RegionSize);
 
@@ -376,7 +340,7 @@ namespace OpenSim.Services.GridService
             regInfo.RegionSecret = handle.ToString();
 
             AddHyperlinkRegion(regInfo, handle);
-            m_log.InfoFormat("[HYPERGRID LINKER]: Successfully linked to region {0} with image {1}", regInfo.RegionName, regInfo.TerrainImage);
+            m_log.Info("[HYPERGRID LINKER]: Successfully linked to region_uuid " + regInfo.RegionID);
             return true;
         }
 
diff --git a/OpenSim/Services/HypergridService/UserAccountCache.cs b/OpenSim/Services/HypergridService/UserAccountCache.cs
index 65f9dd5..e0a3e61 100644
--- a/OpenSim/Services/HypergridService/UserAccountCache.cs
+++ b/OpenSim/Services/HypergridService/UserAccountCache.cs
@@ -90,6 +90,11 @@ namespace OpenSim.Services.HypergridService
             return null;
         }
 
+        public List<UserAccount> GetUserAccountsWhere(UUID scopeID, string query)
+        {
+            return null;
+        }
+
         public List<UserAccount> GetUserAccounts(UUID scopeID, string query)
         {
             return null;
diff --git a/OpenSim/Services/HypergridService/UserAgentService.cs b/OpenSim/Services/HypergridService/UserAgentService.cs
index 1559cf3..ac53583 100644
--- a/OpenSim/Services/HypergridService/UserAgentService.cs
+++ b/OpenSim/Services/HypergridService/UserAgentService.cs
@@ -301,13 +301,11 @@ namespace OpenSim.Services.HypergridService
 
             if (m_TravelingAgents.ContainsKey(sessionID))
             {
-                bool result = m_TravelingAgents[sessionID].ClientIPAddress == reportedIP ||
-                    m_TravelingAgents[sessionID].MyIpAddress == reportedIP; // NATed
-
-                m_log.DebugFormat("[USER AGENT SERVICE]: Comparing {0} with login IP {1} and MyIP {1}; result is {3}",
-                                    reportedIP, m_TravelingAgents[sessionID].ClientIPAddress, m_TravelingAgents[sessionID].MyIpAddress, result);
+                m_log.DebugFormat("[USER AGENT SERVICE]: Comparing with login IP {0} and MyIP {1}", 
+                    m_TravelingAgents[sessionID].ClientIPAddress, m_TravelingAgents[sessionID].MyIpAddress);
 
-                return result;
+                return m_TravelingAgents[sessionID].ClientIPAddress == reportedIP ||
+                    m_TravelingAgents[sessionID].MyIpAddress == reportedIP; // NATed
             }
 
             return false;
diff --git a/OpenSim/Services/Interfaces/IAttachmentsService.cs b/OpenSim/Services/Interfaces/IAttachmentsService.cs
new file mode 100644
index 0000000..bdde369
--- /dev/null
+++ b/OpenSim/Services/Interfaces/IAttachmentsService.cs
@@ -0,0 +1,17 @@
+////////////////////////////////////////////////////////////////
+//
+// (c) 2009, 2010 Careminster Limited and Melanie Thielker
+//
+// All rights reserved
+//
+using System;
+using Nini.Config;
+
+namespace OpenSim.Services.Interfaces
+{
+    public interface IAttachmentsService
+    {
+        string Get(string id);
+        void Store(string id, string data);
+    }
+}
diff --git a/OpenSim/Services/Interfaces/IGridService.cs b/OpenSim/Services/Interfaces/IGridService.cs
index 41dd20c..a084309 100644
--- a/OpenSim/Services/Interfaces/IGridService.cs
+++ b/OpenSim/Services/Interfaces/IGridService.cs
@@ -306,9 +306,13 @@ namespace OpenSim.Services.Interfaces
                 }
                 catch (SocketException e)
                 {
-                    throw new Exception(
+                    /*throw new Exception(
                         "Unable to resolve local hostname " + m_externalHostName + " innerException of type '" +
-                        e + "' attached to this exception", e);
+                        e + "' attached to this exception", e);*/
+                    // Don't throw a fatal exception here, instead, return Null and handle it in the caller.
+                    // Reason is, on systems such as OSgrid it has occured that known hostnames stop
+                    // resolving and thus make surrounding regions crash out with this exception.
+                    return null;
                 }
 
                 return new IPEndPoint(ia, m_internalEndPoint.Port);
@@ -366,6 +370,12 @@ namespace OpenSim.Services.Interfaces
             if (kvp.ContainsKey("regionName"))
                 RegionName = (string)kvp["regionName"];
 
+            if (kvp.ContainsKey("access"))
+            {
+                byte access = Convert.ToByte((string)kvp["access"]);
+                Maturity = (int)Util.ConvertAccessLevelToMaturity(access);
+            }
+
             if (kvp.ContainsKey("serverIP"))
             {
                 //int port = 0;
diff --git a/OpenSim/Services/Interfaces/ISimulationService.cs b/OpenSim/Services/Interfaces/ISimulationService.cs
index 5f9ce6d..ae6bd72 100644
--- a/OpenSim/Services/Interfaces/ISimulationService.cs
+++ b/OpenSim/Services/Interfaces/ISimulationService.cs
@@ -80,6 +80,14 @@ namespace OpenSim.Services.Interfaces
         bool ReleaseAgent(UUID originRegion, UUID id, string uri);
 
         /// <summary>
+        /// Close child agent.
+        /// </summary>
+        /// <param name="regionHandle"></param>
+        /// <param name="id"></param>
+        /// <returns></returns>
+        bool CloseChildAgent(GridRegion destination, UUID id);
+
+        /// <summary>
         /// Close agent.
         /// </summary>
         /// <param name="regionHandle"></param>
diff --git a/OpenSim/Services/Interfaces/IUserAccountService.cs b/OpenSim/Services/Interfaces/IUserAccountService.cs
index cadf297..d132a4d 100644
--- a/OpenSim/Services/Interfaces/IUserAccountService.cs
+++ b/OpenSim/Services/Interfaces/IUserAccountService.cs
@@ -74,6 +74,7 @@ namespace OpenSim.Services.Interfaces
         public int UserLevel;
         public int UserFlags;
         public string UserTitle;
+        public string UserCountry;
 
         public Dictionary<string, object> ServiceURLs;
 
@@ -102,6 +103,8 @@ namespace OpenSim.Services.Interfaces
                 UserFlags = Convert.ToInt32(kvp["UserFlags"].ToString());
             if (kvp.ContainsKey("UserTitle"))
                 UserTitle = kvp["UserTitle"].ToString();
+            if (kvp.ContainsKey("UserCountry"))
+                UserCountry = kvp["UserCountry"].ToString();
 
             if (kvp.ContainsKey("Created"))
                 Created = Convert.ToInt32(kvp["Created"].ToString());
@@ -135,6 +138,7 @@ namespace OpenSim.Services.Interfaces
             result["UserLevel"] = UserLevel.ToString();
             result["UserFlags"] = UserFlags.ToString();
             result["UserTitle"] = UserTitle;
+            result["UserCountry"] = UserCountry;
 
             string str = string.Empty;
             foreach (KeyValuePair<string, object> kvp in ServiceURLs)
@@ -161,6 +165,7 @@ namespace OpenSim.Services.Interfaces
         /// <param name="query"></param>
         /// <returns></returns>
         List<UserAccount> GetUserAccounts(UUID scopeID, string query);
+        List<UserAccount> GetUserAccountsWhere(UUID scopeID, string where);
 
         /// <summary>
         /// Store the data given, wich replaces the stored data, therefore must be complete.
diff --git a/OpenSim/Services/LLLoginService/LLLoginResponse.cs b/OpenSim/Services/LLLoginService/LLLoginResponse.cs
index 1a874c8..de05f28 100644
--- a/OpenSim/Services/LLLoginService/LLLoginResponse.cs
+++ b/OpenSim/Services/LLLoginService/LLLoginResponse.cs
@@ -55,6 +55,7 @@ namespace OpenSim.Services.LLLoginService
         public static LLFailedLoginResponse InventoryProblem;
         public static LLFailedLoginResponse DeadRegionProblem;
         public static LLFailedLoginResponse LoginBlockedProblem;
+        public static LLFailedLoginResponse UnverifiedAccountProblem;
         public static LLFailedLoginResponse AlreadyLoggedInProblem;
         public static LLFailedLoginResponse InternalError;
 
@@ -75,6 +76,10 @@ namespace OpenSim.Services.LLLoginService
             LoginBlockedProblem = new LLFailedLoginResponse("presence",
                 "Logins are currently restricted. Please try again later.",
                 "false");
+            UnverifiedAccountProblem = new LLFailedLoginResponse("presence",
+                "Your account has not yet been verified. Please check " +
+                "your email and click the provided link.",
+                "false");
             AlreadyLoggedInProblem = new LLFailedLoginResponse("presence",
                 "You appear to be already logged in. " +
                 "If this is not the case please wait for your session to timeout. " +
@@ -327,6 +332,7 @@ namespace OpenSim.Services.LLLoginService
         private void FillOutRegionData(GridRegion destination)
         {
             IPEndPoint endPoint = destination.ExternalEndPoint;
+            if (endPoint == null) return;
             SimAddress = endPoint.Address.ToString();
             SimPort = (uint)endPoint.Port;
             RegionX = (uint)destination.RegionLocX;
diff --git a/OpenSim/Services/LLLoginService/LLLoginService.cs b/OpenSim/Services/LLLoginService/LLLoginService.cs
index 6fec276..d8a2054 100644
--- a/OpenSim/Services/LLLoginService/LLLoginService.cs
+++ b/OpenSim/Services/LLLoginService/LLLoginService.cs
@@ -129,7 +129,8 @@ namespace OpenSim.Services.LLLoginService
             Object[] args = new Object[] { config };
             m_UserAccountService = ServerUtils.LoadPlugin<IUserAccountService>(accountService, args);
             m_GridUserService = ServerUtils.LoadPlugin<IGridUserService>(gridUserService, args);
-            m_AuthenticationService = ServerUtils.LoadPlugin<IAuthenticationService>(authService, args);
+            Object[] authArgs = new Object[] { config, m_UserAccountService };
+            m_AuthenticationService = ServerUtils.LoadPlugin<IAuthenticationService>(authService, authArgs);
             m_InventoryService = ServerUtils.LoadPlugin<IInventoryService>(invService, args);
 
             if (gridService != string.Empty)
@@ -272,6 +273,12 @@ namespace OpenSim.Services.LLLoginService
                     return LLFailedLoginResponse.UserProblem;
                 }
 
+                if (account.UserLevel < 0)
+                {
+                    m_log.InfoFormat("[LLOGIN SERVICE]: Login failed, reason: Unverified account");
+                    return LLFailedLoginResponse.UnverifiedAccountProblem;
+                }
+
                 if (account.UserLevel < m_MinLoginLevel)
                 {
                     m_log.InfoFormat("[LLOGIN SERVICE]: Login failed, reason: login is blocked for user level {0}", account.UserLevel);
diff --git a/OpenSim/Services/UserAccountService/UserAccountService.cs b/OpenSim/Services/UserAccountService/UserAccountService.cs
index 923be7e..59098f0 100644
--- a/OpenSim/Services/UserAccountService/UserAccountService.cs
+++ b/OpenSim/Services/UserAccountService/UserAccountService.cs
@@ -173,6 +173,10 @@ namespace OpenSim.Services.UserAccountService
                 Int32.TryParse(d.Data["UserLevel"], out u.UserLevel);
             if (d.Data.ContainsKey("UserFlags") && d.Data["UserFlags"] != null)
                 Int32.TryParse(d.Data["UserFlags"], out u.UserFlags);
+            if (d.Data.ContainsKey("UserCountry") && d.Data["UserCountry"] != null)
+                u.UserCountry = d.Data["UserCountry"].ToString();
+            else
+                u.UserTitle = string.Empty;
 
             if (d.Data.ContainsKey("ServiceURLs") && d.Data["ServiceURLs"] != null)
             {
@@ -294,7 +298,22 @@ namespace OpenSim.Services.UserAccountService
 
         public List<UserAccount> GetUserAccounts(UUID scopeID, string query)
         {
-            UserAccountData[] d = m_Database.GetUsers(scopeID, query);
+            UserAccountData[] d = m_Database.GetUsers(scopeID, query.Trim());
+
+            if (d == null)
+                return new List<UserAccount>();
+
+            List<UserAccount> ret = new List<UserAccount>();
+
+            foreach (UserAccountData data in d)
+                ret.Add(MakeUserAccount(data));
+
+            return ret;
+        }
+
+        public List<UserAccount> GetUserAccountsWhere(UUID scopeID, string where)
+        {
+            UserAccountData[] d = m_Database.GetUsersWhere(scopeID, where);
 
             if (d == null)
                 return new List<UserAccount>();