Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 5410] New: OPC UA Add Extension Object Support

[bugzilla-daemon@xxxxxxxxxxxxx]

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5410

           Summary: OPC UA Add Extension Object Support
           Product: Wireshark
           Version: SVN
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: Major
          Priority: Low
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: gerhard.gappmeier@xxxxxxxxxxx


Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
This patch adds support for displaying OPC UA ExtensionObjects.

An ExtensionObject is a mechanism to transport user defined structures as
serialized blobs. Some types of ExtensionObjects are already defined by the OPC
Foundation's OPC UA Specifications.
These types can be implemented by this dissector, because they are well-known.

Real user-defined or vendor-defined types are unlikely to be implemented by a
passive dissector, because this would require browsing of the UA server's
address space to retrieve the type information.

Currently only the following types are supported:

 * DataChangeNotification
 * EventNotification

Others OPC defined types will follow.

BTW: for applying this patch use
patch -p1 < 0003-adds-example-implementation-for-displaying-extension.patch

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