Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 7551] New: Add dissection of sub-options in DNS OPT RRs (RFC 2671)

[bugzilla-daemon@xxxxxxxxxxxxx]

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7551

           Summary: Add dissection of sub-options in DNS OPT RRs (RFC
                    2671)
           Product: Wireshark
           Version: SVN
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Enhancement
          Priority: Low
         Component: Dissection engine (libwireshark)
        AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
        ReportedBy: drysdale@xxxxxxxxxx


Build Information:
wireshark 1.9.0 (SVN Rev 44182 from /trunk)

Copyright 1998-2012 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled (64-bit) with GTK+ 2.20.1, with Cairo 1.8.10, with Pango 1.28.0, with
GLib 2.24.1, with libpcap, with libz 1.2.3.3, without POSIX capabilities,
without libnl, without SMI, without c-ares, without ADNS, without Lua, without
Python, without GnuTLS, without Gcrypt, with MIT Kerberos, without GeoIP,
without PortAudio, with AirPcap.

Running on Linux 2.6.38.8-gg868, with locale en_US.utf8, with libpcap version
1.0.0, with libz 1.2.3.3, without AirPcap.

Built using gcc 4.4.3.

--
The dissector for DNS expands OPT resource records (from EDNS0, RFC 2671), but
leaves the individual sub-options as a single lump of data.  It would be nice
to crack out each of the sub-option TLVs individually.

Patch attached that adds this functionality.

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