Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 7912] New: nas_eps dissector does not decode some esm messages

[bugzilla-daemon@xxxxxxxxxxxxx]

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7912

           Summary: nas_eps dissector does not decode some esm messages
           Product: Wireshark
           Version: 1.9.x (Experimental)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Minor
          Priority: Low
         Component: Dissection engine (libwireshark)
        AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
        ReportedBy: umberto.corponi@xxxxxxxxxxx


Umberto <umberto.corponi@xxxxxxxxxxx> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #9433|                            |review_for_checkin?
              Flags|                            |

Created attachment 9433
  --> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=9433
Enable decoding for nas esm bearer messages

Build Information:
wireshark 1.9.0 (SVN Rev ae4115b from master)

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+ 2.24.13, with Cairo 1.12.2, with Pango 1.30.1, with
GLib 2.34.0, with libpcap, with libz 1.2.7, without POSIX capabilities, with
libnl 1, without SMI, without c-ares, without ADNS, without Lua, without
Python,
without GnuTLS, without Gcrypt, without Kerberos, without GeoIP, without
PortAudio, without AirPcap.

Running on Linux 3.5.0-17-generic, with locale en_US.UTF-8, with libpcap
version
1.3.0, with libz 1.2.7.

Built using gcc 4.7.2.
--
The nas_eps dissector always fails to show standalone "bearer related"
(activate/deactivate default/dedicated bearer) eps session management messages
of the nas protocol.
These messages should always be ciphered but the dissector should be able to
show them when the NULL ciphering algorithm is in use.

The attached patch should solve the problem.

I hope this is will be helpful.

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