3 files changed, 54 insertions, 4 deletions

diff --git a/OpenSim/Framework/PermissionsUtil.cs b/OpenSim/Framework/PermissionsUtil.cs
index 3dce04d..e50d4df 100644
--- a/OpenSim/Framework/PermissionsUtil.cs
+++ b/OpenSim/Framework/PermissionsUtil.cs
@@ -60,9 +60,57 @@ namespace OpenSim.Framework
                 str += "C";
             if ((perms & (int)PermissionMask.Transfer) != 0)
                 str += "T";
+            if ((perms & (int)PermissionMask.Export) != 0)
+                str += "X";
             if (str == "")
                 str = ".";
             return str;
         }
+
+        public static void ApplyFoldedPermissions(uint foldedSourcePerms, ref uint targetPerms)
+        {
+            uint folded = foldedSourcePerms & (uint)PermissionMask.FoldedMask;
+            if(folded == 0 || folded == (uint)PermissionMask.FoldedMask) // invalid we need to ignore, or nothing to do
+                return; 
+
+            folded <<= (int)PermissionMask.FoldingShift;
+            folded |= ~(uint)PermissionMask.UnfoldedMask;
+
+            uint tmp = targetPerms;
+            tmp &= folded;
+            targetPerms = tmp;
+        }
+
+        // do not touch MOD
+        public static void ApplyNoModFoldedPermissions(uint foldedSourcePerms, ref uint target)
+        {
+            uint folded = foldedSourcePerms & (uint)PermissionMask.FoldedMask;
+            if(folded == 0 || folded == (uint)PermissionMask.FoldedMask) // invalid we need to ignore, or nothing to do
+                return; 
+
+            folded <<= (int)PermissionMask.FoldingShift;
+            folded |= (~(uint)PermissionMask.UnfoldedMask | (uint)PermissionMask.Modify);
+
+            uint tmp = target;
+            tmp &= folded;
+            target = tmp;
+        }
+
+        public static uint FixAndFoldPermissions(uint perms)
+        {
+            uint tmp = perms;
+
+            // C & T rule
+            if((tmp & (uint)(PermissionMask.Copy | PermissionMask.Transfer)) == 0)
+                tmp |= (uint)PermissionMask.Transfer;
+
+            // unlock
+            tmp |= (uint)PermissionMask.Move;
+
+            tmp &= ~(uint)PermissionMask.FoldedMask;
+            tmp |= ((tmp >> (int)PermissionMask.FoldingShift) & (uint)PermissionMask.FoldedMask);
+
+            return tmp;
+        }
     }
 }
diff --git a/OpenSim/Framework/Servers/BaseOpenSimServer.cs b/OpenSim/Framework/Servers/BaseOpenSimServer.cs
index 5111673..c7f0136 100644
--- a/OpenSim/Framework/Servers/BaseOpenSimServer.cs
+++ b/OpenSim/Framework/Servers/BaseOpenSimServer.cs
@@ -191,8 +191,7 @@ namespace OpenSim.Framework.Servers
             }
             catch(Exception e)
             {
-                m_log.FatalFormat("Fatal error: {0}",
-                    (e.Message == null || e.Message == String.Empty) ? "Unknown reason":e.Message );
+                m_log.Fatal("Fatal error: " + e.ToString());
                 Environment.Exit(1);
             }
 
diff --git a/OpenSim/Framework/Util.cs b/OpenSim/Framework/Util.cs
index 0ec24e6..f6ded04 100644
--- a/OpenSim/Framework/Util.cs
+++ b/OpenSim/Framework/Util.cs
@@ -79,7 +79,9 @@ namespace OpenSim.Framework
 
         FoldedMask = 0x0f,
 
-        //
+        FoldingShift = 13 ,  // number of bit shifts from normal perm to folded or back (same as Transfer shift below)
+                             // when doing as a block
+
         Transfer = 1 << 13, // 0x02000
         Modify = 1 << 14,   // 0x04000
         Copy = 1 << 15,     // 0x08000
@@ -90,7 +92,8 @@ namespace OpenSim.Framework
         // explicitly given
         All = 0x8e000,
         AllAndExport = 0x9e000,
-        AllEffective = 0x9e000
+        AllEffective = 0x9e000,
+        UnfoldedMask = 0x1e000
     }
 
     /// <summary>