Implement guard against trying to load incompatible version IARs

1 files changed, 19 insertions, 2 deletions

diff --git a/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/InventoryArchiveReadRequest.cs b/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/InventoryArchiveReadRequest.cs
index 2beea8e..5500557 100644
--- a/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/InventoryArchiveReadRequest.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/InventoryArchiveReadRequest.cs
@@ -51,6 +51,12 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
+        /// <summary>
+        /// The maximum major version of archive that we can read.  Minor versions shouldn't need a max number since version
+        /// bumps here should be compatible.
+        /// </summary>
+        public static int MAX_MAJOR_VERSION = 0;
+        
         protected TarArchiveReader archive;
 
         private UserAccount m_userInfo;
@@ -476,8 +482,19 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver
         {                           
             XDocument doc = XDocument.Parse(Encoding.ASCII.GetString(data));
             XElement archiveElement = doc.Element("archive");
-            int.Parse(archiveElement.Attribute("major_version").Value);
-            int.Parse(archiveElement.Attribute("minor_version").Value);                
+            int majorVersion = int.Parse(archiveElement.Attribute("major_version").Value);
+            int minorVersion = int.Parse(archiveElement.Attribute("minor_version").Value);                
+            string version = string.Format("{0}.{1}", majorVersion, minorVersion);
+                        
+            if (majorVersion > MAX_MAJOR_VERSION)
+            {
+                throw new Exception(
+                    string.Format(
+                        "The IAR you are trying to load has major version number of {0} but this version of OpenSim can only load IARs with major version number {1} and below",
+                        majorVersion, MAX_MAJOR_VERSION));
+            }       
+            
+            m_log.InfoFormat("[INVENTORY ARCHIVER]: Loading IAR with version {0}", version);
         }
     }
 }
\ No newline at end of file