Wireshark-bugs: [Wireshark-bugs] [Bug 6793] New: Some WiMAX messages decoded incorrectly
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 6 Feb 2012 05:08:41 -0800 (PST)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6793

           Summary: Some WiMAX messages decoded incorrectly
           Product: Wireshark
           Version: 1.6.5
          Platform: x86-64
        OS/Version: Windows 7
            Status: NEW
          Severity: Normal
          Priority: Low
         Component: Wireshark
        AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
        ReportedBy: venkatcc@xxxxxxxxx


Build Information:
Version 1.6.5 (SVN Rev 40429 from /trunk-1.6)

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+ 2.22.1, with GLib 2.26.1, with WinPcap (version
unknown), with libz 1.2.5, without POSIX capabilities, without libpcre, without
SMI, with c-ares 1.7.1, with Lua 5.1, without Python, with GnuTLS 2.10.3, with
Gcrypt 1.4.6, without Kerberos, with GeoIP, with PortAudio V19-devel (built Jan
10 2012), with AirPcap.

Running on 64-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 2.10.3, Gcrypt 1.4.6, without AirPcap.

Built using Microsoft Visual C++ 9.0 build 21022
--
Dissector versions
===================
wimax.dll          1.1.0
wimaxasncp.dll     0.0.1

Description
===========

WiMAX message types Path_Reg_Req, Path_Reg_Rsp, Path_Reg_Ack, Path_Prereg_Req,
Path_Prereg_Rsp, Path_Prereg_Ack, Path_Dereg_Req, Path_Dereg_Rsp,
Path_Dereg_Ack are decoded incorrectly.

For example, what we see is:

    Data Path Control (3)
    OP ID: Request/Initiation (001. .... = 1)
    Message Type: Path_Reg_Ack (...0 1010 = 10)

This should actually be:

    Data Path Control (3)
    OP ID: Request/Initiation (001. .... = 1)
    Message Type: Path_Reg_Req (...0 1010 = 10)

The message types dissected should be changed as under:

Path_Reg_Ack    --> Path_Reg_Req
Path_Reg_Req    --> Path_Reg_Rsp
Path_Reg_Rsp    --> Path_Reg_Ack
Path_Prereg_Ack --> Path_Prereg_Req
Path_Prereg_Req --> Path_Prereg_Rsp
Path_Prereg_Rsp --> Path_Prereg_Ack
Path_Dereg_Ack  --> Path_Dereg_Req
Path_Dereg_Req  --> Path_Dereg_Rsp
Path_Dereg_Rsp  --> Path_Dereg_Ack

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