Wireshark-bugs: [Wireshark-bugs] [Bug 2984] New: Diameter R bit in Command Flags not considered
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Tue, 21 Oct 2008 01:13:09 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=2984

           Summary: Diameter R bit in Command Flags not considered
           Product: Wireshark
           Version: 1.0.4
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: Normal
          Priority: Medium
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: matthias.kuzmits@xxxxxxx


Created an attachment (id=2380)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=2380)
AAR-AAA and STR-STA messages

Build Information:
Version 1.0.4 (SVN Rev 26501)

Copyright 1998-2008 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 with GTK+ 2.12.8, with GLib 2.14.6, with WinPcap (version unknown),
with libz 1.2.3, without POSIX capabilities, with libpcre 7.0, with SMI 0.4.8,
with ADNS, with Lua 5.1, with GnuTLS 2.3.8, with Gcrypt 1.4.1, with MIT
Kerberos, with PortAudio V19-devel, with AirPcap.

Running on Windows XP Service Pack 2, build 2600, with WinPcap version 4.0.2
(packet.dll version 4.0.0.1040), based on libpcap version 0.9.5, without
AirPcap.

Built using Microsoft Visual C++ 6.0 build 8804

Wireshark is Open Source Software released under the GNU General Public
License.

Check the man page and http://www.wireshark.org for more information.
--
The newer wireshark versions are displaying the DIAMTER Command Code not
correctly. The R bit is not considered and so an AA-Request (AAR) is displayed
as AA-Answer (AAA) because both have the same code (265)

In older versions the decoding was correct, but I can't remember since when
it's not working any more.


Please consider the R bit during decoding and display this in the Packet List
window (Info) and in the Packet Details window (Command code text).

Thanks
Matthias

RFC4005- Chapter 3:

      Command-Name                  Abbrev.  Code   Reference
      -------------------------------------------------------
      AA-Request                      AAR     265     3.1
      AA-Answer                       AAA     265     3.2
      Re-Auth-Request                 RAR     258     3.3
      Re-Auth-Answer                  RAA     258     3.4
      Session-Termination-Request     STR     275     3.5
      Session-Termination-Answer      STA     275     3.6
      Abort-Session-Request           ASR     274     3.7
      Abort-Session-Answer            ASA     274     3.8
      Accounting-Request              ACR     271     3.9
      Accounting-Answer               ACA     271     3.10


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