Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 4608] New: 8-bit Bit Flag decoder method needed in wimaxasncp plugin dissector

[bugzilla-daemon@xxxxxxxxxxxxx]

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4608

           Summary: 8-bit Bit Flag decoder method needed in wimaxasncp
                    plugin dissector
           Product: Wireshark
           Version: 1.3.x (Experimental)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Enhancement
          Priority: Low
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: s.sampanthan@xxxxxxxxx


Created an attachment (id=4440)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=4440)
patch file

Build Information:
Version 1.3.4 (SVN Rev 32250 from /trunk)

Copyright 1998-2010 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+ 2.16.6, with GLib 2.22.4, with WinPcap (version unknown),
with libz 1.2.3, without POSIX capabilities, without libpcre, with SMI 0.4.8,
with c-ares 1.7.0, with Lua 5.1, without Python, with GnuTLS 2.8.5, with Gcrypt
1.4.5, with MIT Kerberos, with GeoIP, with PortAudio V19-devel (built Mar 20
2010), with AirPcap, with new_packet_list.

Running on Windows XP Service Pack 3, build 2600, with WinPcap version 4.1
beta5
(packet.dll version 4.1.0.1452), based on libpcap version 1.0.0, GnuTLS 2.8.5,
Gcrypt 1.4.5, 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.
--
There are some TLVs in the Wimax NWG specification that are 8-bit bit flags. 
Wireshark does not support the dissection of these types of TLVs (although it
supports 16-bit and 32-bit bit flags).  An example of such a TLV is the
mandatory "Authorization Policy" TLV used in the PreAttachment handshake (an
example is included in capture file wimaxasncp_bitflag8.pcap attached in this
bug report).

The changes are depicted in attachment patch file wimaxasncp_bitflag8.patch and
they parallel the code used to dissect 16-bit and 32-bit bit flags.

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