Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 7977] New: DNP3 - Incorrect Information Column Display for "Read" Function Cod

[bugzilla-daemon@xxxxxxxxxxxxx]

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7977

           Summary: DNP3 - Incorrect Information Column Display for "Read"
                    Function Code
           Product: Wireshark
           Version: SVN
          Platform: x86
        OS/Version: Windows 7
            Status: NEW
          Severity: Minor
          Priority: Low
         Component: Dissection engine (libwireshark)
        AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
        ReportedBy: cbontje@xxxxxxxxx


Created attachment 9534
  --> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=9534
Patch file for DNP3 Dissector "Read" FC correction

Build Information:
Version 1.9.0 (SVN Rev Unknown from unknown)

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 (32-bit) with GTK+ 2.24.10, with Cairo 1.10.2, with Pango 1.30.0, with
GLib 2.32.2, with WinPcap (4_1_2), with libz 1.2.5, without POSIX capabilities,
without libnl, with SMI 0.4.8, with c-ares 1.7.1, with Lua 5.1, without Python,
with GnuTLS 2.12.18, with Gcrypt 1.4.6, with MIT Kerberos, with GeoIP, with
PortAudio V19-devel (built Oct 17 2012), with AirPcap.

Running on 32-bit Windows 7 Service Pack 1, build 7601, with WinPcap version
4.1.2 (packet.dll version 4.1.0.2001), based on libpcap version 1.0 branch
1_0_rel0b (20091008), GnuTLS 2.12.18, Gcrypt 1.4.6, without AirPcap.

Built using Microsoft Visual C++ 9.0 build 30729

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

Check the man page and http://www.wireshark.org for more information.
--
Previous implementation of "column info" additions for "Read" function code
always assumed that a "Class" object of some type (0,1,2 or 3) was present and
this is not always the case.  It is possible to use "Read" for specific object
types (Binary Input, etc).  

The attached patch will correct for "Class" always being displayed for
non-class object reads.  Also, some small additions will allow for display of
additional information of the specific type of non-Class object (Binary Input,
Analog Input, etc).

Capture file exhibiting the problem with the previous behavior has been
attached; it also shows the new feature.

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