diff --git a/OpenSim/Data/Null/NullFriendsData.cs b/OpenSim/Data/Null/NullFriendsData.cs
index d90788a111..0a4b2426a8 100644
--- a/OpenSim/Data/Null/NullFriendsData.cs
+++ b/OpenSim/Data/Null/NullFriendsData.cs
@@ -56,13 +56,21 @@ namespace OpenSim.Data.Null
         /// <returns></returns>
         public FriendsData[] GetFriends(string userID)
         {
-            List<FriendsData> lst = m_Data.FindAll(delegate (FriendsData fdata)
+            List<FriendsData> lst = m_Data.FindAll(fdata =>
             {
                 return fdata.PrincipalID == userID.ToString();
             });
 
             if (lst != null)
+            {
+                lst.ForEach(f =>
+                {
+                    FriendsData f2 = m_Data.Find(candidateF2 => f.Friend == candidateF2.PrincipalID);
+                    if (f2 != null) { f.Data["TheirFlags"] = f2.Data["Flags"]; }
+                });
+
                 return lst.ToArray();
+            }
 
             return new FriendsData[0];
         }
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index 2e76acb5ca..8fdbe7b50d 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -11197,6 +11197,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                     Utils.BytesToString(avatarInterestUpdate.PropertiesData.LanguagesText));
             return true;
         }
+
         private bool HandleGrantUserRights(IClientAPI sender, Packet Pack)
         {
             GrantUserRightsPacket GrantUserRights =
@@ -11217,6 +11218,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                     GrantUserRights.Rights[0].RelatedRights);
             return true;
         }
+
         private bool HandlePlacesQuery(IClientAPI sender, Packet Pack)
         {
             PlacesQueryPacket placesQueryPacket =
diff --git a/OpenSim/Region/CoreModules/Agent/AssetTransaction/AgentAssetsTransactions.cs b/OpenSim/Region/CoreModules/Agent/AssetTransaction/AgentAssetsTransactions.cs
index eed7cd590a..b557ffe5f2 100644
--- a/OpenSim/Region/CoreModules/Agent/AssetTransaction/AgentAssetsTransactions.cs
+++ b/OpenSim/Region/CoreModules/Agent/AssetTransaction/AgentAssetsTransactions.cs
@@ -46,7 +46,6 @@ namespace OpenSim.Region.CoreModules.Agent.AssetTransaction
         // Fields
         private bool m_dumpAssetsToFile;
         private Scene m_Scene;
-        private UUID UserID;
         private Dictionary<UUID, AssetXferUploader> XferUploaders = new Dictionary<UUID, AssetXferUploader>();
 
         // Methods
@@ -54,7 +53,6 @@ namespace OpenSim.Region.CoreModules.Agent.AssetTransaction
                 bool dumpAssetsToFile)
         {
             m_Scene = scene;
-            UserID = agentID;
             m_dumpAssetsToFile = dumpAssetsToFile;
         }
 
diff --git a/OpenSim/Region/CoreModules/Avatar/Friends/FriendsModule.cs b/OpenSim/Region/CoreModules/Avatar/Friends/FriendsModule.cs
index a5131ecad0..74f32e7fc9 100644
--- a/OpenSim/Region/CoreModules/Avatar/Friends/FriendsModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Friends/FriendsModule.cs
@@ -165,7 +165,9 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
 
                 // Instantiate the request handler
                 IHttpServer server = MainServer.GetHttpServer((uint)mPort);
-                server.AddStreamHandler(new FriendsRequestHandler(this));
+
+                if (server != null)
+                    server.AddStreamHandler(new FriendsRequestHandler(this));
             }
 
             if (m_FriendsService == null)
@@ -352,20 +354,13 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
                     continue;
                 }
 
-                PresenceInfo presence = null;
-                PresenceInfo[] presences = PresenceService.GetAgents(new string[] { fid });
-                if (presences != null && presences.Length > 0)
-                    presence = presences[0];
-                if (presence != null)
-                    im.offline = 0;
-
+                im.offline = 0;
                 im.fromAgentID = fromAgentID.Guid;
                 im.fromAgentName = firstname + " " + lastname;
                 im.offline = (byte)((presence == null) ? 1 : 0);
                 im.imSessionID = im.fromAgentID;
                 im.message = FriendshipMessage(fid);
 
-                // Finally
                 LocalFriendshipOffered(agentID, im);
             }
 
@@ -576,9 +571,14 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
 
         private void OnApproveFriendRequest(IClientAPI client, UUID agentID, UUID friendID, List<UUID> callingCardFolders)
         {
-            m_log.DebugFormat("[FRIENDS]: {0} accepted friendship from {1}", agentID, friendID);
+            m_log.DebugFormat("[FRIENDS]: {0} accepted friendship from {1}", client.AgentId, friendID);
 
-            StoreFriendships(agentID, friendID);
+            AddFriend(client, friendID);
+        }
+
+        public void AddFriend(IClientAPI client, UUID friendID)
+        {
+            StoreFriendships(client.AgentId, friendID);
 
             ICallingCardModule ccm = client.Scene.RequestModuleInterface<ICallingCardModule>();
             if (ccm != null)
@@ -594,7 +594,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
             //
 
             // Try Local
-            if (LocalFriendshipApproved(agentID, client.Name, friendID))
+            if (LocalFriendshipApproved(client.AgentId, client.Name, friendID))
             {
                 client.SendAgentOnline(new UUID[] { friendID });
                 return;
@@ -608,7 +608,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
                 if (friendSession != null)
                 {
                     GridRegion region = GridService.GetRegionByUUID(m_Scenes[0].RegionInfo.ScopeID, friendSession.RegionID);
-                    m_FriendsSimConnector.FriendshipApproved(region, agentID, client.Name, friendID);
+                    m_FriendsSimConnector.FriendshipApproved(region, client.AgentId, client.Name, friendID);
                     client.SendAgentOnline(new UUID[] { friendID });
                 }
             }
@@ -882,7 +882,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
         }
 
         /// <summary>
-        /// Update loca cache only
+        /// Update local cache only
         /// </summary>
         /// <param name="userID"></param>
         /// <param name="friendID"></param>
diff --git a/OpenSim/Region/CoreModules/Avatar/Friends/HGFriendsModule.cs b/OpenSim/Region/CoreModules/Avatar/Friends/HGFriendsModule.cs
index dda67f9c2b..02b417f946 100644
--- a/OpenSim/Region/CoreModules/Avatar/Friends/HGFriendsModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Friends/HGFriendsModule.cs
@@ -141,7 +141,14 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
         {
             List<string> fList = new List<string>();
             foreach (string s in friendList)
-                fList.Add(s.Substring(0, 36));
+            {
+                if (s.Length < 36)
+                    m_log.WarnFormat(
+                        "[HGFRIENDS MODULE]: Ignoring friend {0} ({1} chars) for {2} since identifier too short",
+                        s, s.Length, userID);
+                else
+                    fList.Add(s.Substring(0, 36));
+            }
 
             PresenceInfo[] presence = PresenceService.GetAgents(fList.ToArray());
             foreach (PresenceInfo pi in presence)
diff --git a/OpenSim/Region/CoreModules/Avatar/Friends/Tests/FriendModuleTests.cs b/OpenSim/Region/CoreModules/Avatar/Friends/Tests/FriendModuleTests.cs
new file mode 100644
index 0000000000..942091c4c1
--- /dev/null
+++ b/OpenSim/Region/CoreModules/Avatar/Friends/Tests/FriendModuleTests.cs
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using Nini.Config;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.CoreModules.Avatar.Friends;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Tests.Common;
+using OpenSim.Tests.Common.Mock;
+
+namespace OpenSim.Region.CoreModules.Avatar.Friends.Tests
+{
+    [TestFixture]
+    public class FriendsModuleTests
+    {
+        private FriendsModule m_fm;
+        private TestScene m_scene;
+
+        [SetUp]
+        public void Init()
+        {
+            IConfigSource config = new IniConfigSource();
+            config.AddConfig("Modules");
+            // Not strictly necessary since FriendsModule assumes it is the default (!)
+            config.Configs["Modules"].Set("FriendsModule", "FriendsModule");
+            config.AddConfig("Friends");
+            config.Configs["Friends"].Set("Connector", "OpenSim.Services.FriendsService.dll");
+            config.AddConfig("FriendsService");
+            config.Configs["FriendsService"].Set("StorageProvider", "OpenSim.Data.Null.dll");
+
+            m_scene = SceneHelpers.SetupScene();
+            m_fm = new FriendsModule();
+            SceneHelpers.SetupSceneModules(m_scene, config, m_fm);
+        }
+
+        [Test]
+        public void TestNoFriends()
+        {
+            TestHelpers.InMethod();
+//            log4net.Config.XmlConfigurator.Configure();
+
+            UUID userId = TestHelpers.ParseTail(0x1);
+
+            ScenePresence sp = SceneHelpers.AddScenePresence(m_scene, userId);
+
+            Assert.That(((TestClient)sp.ControllingClient).OfflineNotificationsReceived.Count, Is.EqualTo(0));
+            Assert.That(((TestClient)sp.ControllingClient).OnlineNotificationsReceived.Count, Is.EqualTo(0));
+        }
+
+        [Test]
+        public void TestAddFriendWhileOnline()
+        {
+            TestHelpers.InMethod();
+//            log4net.Config.XmlConfigurator.Configure();
+
+            UUID userId = TestHelpers.ParseTail(0x1);
+            UUID user2Id = TestHelpers.ParseTail(0x2);
+
+            ScenePresence sp = SceneHelpers.AddScenePresence(m_scene, userId);
+            SceneHelpers.AddScenePresence(m_scene, user2Id);
+
+            // This friendship is currently only one-way, which might be pathalogical in Second Life.
+            m_fm.AddFriend(sp.ControllingClient, user2Id);
+
+            Assert.That(((TestClient)sp.ControllingClient).OfflineNotificationsReceived.Count, Is.EqualTo(0));
+            Assert.That(((TestClient)sp.ControllingClient).OnlineNotificationsReceived.Count, Is.EqualTo(1));
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/CoreModules/Avatar/InstantMessage/HGMessageTransferModule.cs b/OpenSim/Region/CoreModules/Avatar/InstantMessage/HGMessageTransferModule.cs
index 321a70522b..560d9136ca 100644
--- a/OpenSim/Region/CoreModules/Avatar/InstantMessage/HGMessageTransferModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/InstantMessage/HGMessageTransferModule.cs
@@ -225,12 +225,13 @@ namespace OpenSim.Region.CoreModules.Avatar.InstantMessage
             foreach (Scene scene in m_Scenes)
             {
                 ScenePresence sp = scene.GetScenePresence(toAgentID);
-                if(!sp.IsChildAgent)
+                if(sp != null && !sp.IsChildAgent)
                 {
                     scene.EventManager.TriggerIncomingInstantMessage(gim);
                     successful = true;
                 }
             }
+
             if (!successful)
             {
                 // If the message can't be delivered to an agent, it
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteXInventoryServiceConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteXInventoryServiceConnector.cs
index 73ab4e31cc..10ab6d0e6b 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteXInventoryServiceConnector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteXInventoryServiceConnector.cs
@@ -50,8 +50,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
         /// </summary>
         public Scene Scene { get; set; }
 
-        private bool m_Enabled = false;
-        private Scene m_Scene;
+        private bool m_Enabled;
         private XInventoryServicesConnector m_RemoteConnector;
 
         private IUserManagement m_UserManager;
diff --git a/OpenSim/Region/Framework/Interfaces/IFriendsModule.cs b/OpenSim/Region/Framework/Interfaces/IFriendsModule.cs
index d4a6857188..8143164283 100644
--- a/OpenSim/Region/Framework/Interfaces/IFriendsModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IFriendsModule.cs
@@ -33,6 +33,20 @@ namespace OpenSim.Region.Framework.Interfaces
 {
     public interface IFriendsModule
     {
+        /// <summary>
+        /// Add a friend for the given user.
+        /// </summary>
+        /// <remarks>
+        /// This is a one-way friendship.  To make a two way friendship you will need to call this again with the
+        /// client and friend reversed.
+        /// 
+        /// Ultimately, it would be more useful to take in a user account here rather than having to have a user
+        /// present in the scene.
+        /// </remarks>
+        /// <param name="client"></param>
+        /// <param name="friendID"></param>
+        void AddFriend(IClientAPI client, UUID friendID);
+
         uint GetFriendPerms(UUID PrincipalID, UUID FriendID);
         bool SendFriendsOnlineIfNeeded(IClientAPI client);
     }
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 087697f480..8906c6ff74 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -2862,6 +2862,8 @@ namespace OpenSim.Region.Framework.Scenes
                             Velocity = Vector3.Zero;
                             AbsolutePosition = pos;
 
+//                            m_log.DebugFormat("[SCENE PRESENCE]: Prevented flyoff for {0} at {1}", Name, AbsolutePosition);
+
                             AddToPhysicalScene(isFlying);
                         }
                     }
diff --git a/OpenSim/Tests/Common/Mock/TestClient.cs b/OpenSim/Tests/Common/Mock/TestClient.cs
index 60a23f518f..5fe1985d55 100644
--- a/OpenSim/Tests/Common/Mock/TestClient.cs
+++ b/OpenSim/Tests/Common/Mock/TestClient.cs
@@ -56,6 +56,10 @@ namespace OpenSim.Tests.Common.Mock
 
         private IScene m_scene;
 
+        // Properties so that we can get at received data for test purposes
+        public List<UUID> OfflineNotificationsReceived { get; private set; }
+        public List<UUID> OnlineNotificationsReceived { get; private set; }
+
 // disable warning: public events, part of the public API
 #pragma warning disable 67
 
@@ -440,6 +444,9 @@ namespace OpenSim.Tests.Common.Mock
             m_circuitCode = agentData.circuitcode;
             m_scene = scene;
             CapsSeedUrl = agentData.CapsPath;
+
+            OfflineNotificationsReceived = new List<UUID>();
+            OnlineNotificationsReceived = new List<UUID>();
         }
 
         /// <summary>
@@ -827,12 +834,12 @@ namespace OpenSim.Tests.Common.Mock
 
         public void SendAgentOffline(UUID[] agentIDs)
         {
-
+            OfflineNotificationsReceived.AddRange(agentIDs);
         }
 
         public void SendAgentOnline(UUID[] agentIDs)
         {
-
+            OnlineNotificationsReceived.AddRange(agentIDs);
         }
 
         public void SendSitResponse(UUID TargetID, Vector3 OffsetPos, Quaternion SitOrientation, bool autopilot,
diff --git a/prebuild.xml b/prebuild.xml
index ecc60fb04e..d1a1cf826a 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -2947,6 +2947,7 @@
         <Match path="Asset/Tests" pattern="*.cs" recurse="true"/>
         <Match path="Avatar/Attachments/Tests" pattern="*.cs" recurse="true"/>
         <Match path="Avatar/AvatarFactory/Tests" pattern="*.cs" recurse="true"/>
+        <Match path="Avatar/Friends/Tests" pattern="*.cs" recurse="true"/>
         <Match path="Avatar/Inventory/Archiver/Tests" pattern="*.cs" recurse="true"/>
         <Match path="Framework/InventoryAccess/Tests" pattern="*.cs" recurse="true"/>
         <Match path="World/Archiver/Tests" pattern="*.cs" recurse="true"/>