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Wireshark-bugs: [Wireshark-bugs] [Bug 6445] New: Ethernet CFM MAID decode error

Date: Mon, 10 Oct 2011 03:33:41 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6445

           Summary: Ethernet CFM MAID decode error
           Product: Wireshark
           Version: 1.6.2
          Platform: x86
               URL: http://www.wireshark.org/docs/dfref/c/cfm.html
        OS/Version: Windows XP
            Status: NEW
          Severity: Major
          Priority: High
         Component: Wireshark
        AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
        ReportedBy: xiaowei.jiang@xxxxxxx


Created an attachment (id=7196)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=7196)
CFM Pcap file

Build Information:
Version 1.6.2 (SVN Rev 38931 from /trunk-1.6)

Copyright 1998-2011 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+ 2.22.1, with GLib 2.26.1, with WinPcap (version
unknown), with libz 1.2.5, without POSIX capabilities, without libpcre, with
SMI
0.4.8, with c-ares 1.7.1, with Lua 5.1, without Python, with GnuTLS 2.10.3,
with
Gcrypt 1.4.6, with MIT Kerberos, with GeoIP, with PortAudio V19-devel (built
Sep
 7 2011), with AirPcap.

Running on Windows XP Service Pack 3, build 2600, 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

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

Check the man page and http://www.wireshark.org for more information.
--
MAID field decode error
MAID is a 48 Bytes field as defined in Y.1731 or 802.1ag
Wireshark decodes it as TLV (No such field in Y.1731 or 802.1ag)

>From protocol Display Filter Reference: CFM EOAM 802.1ag/ITU Protocol
http://www.wireshark.org/docs/dfref/c/cfm.html

cfm.maid.ma.name String Short MA Name 1.0.0 to 1.6.2 (Should be fixed 48 Bytes)
cfm.maid.ma.name.format Unsigned 8-bit integer Short MA Name (MEG ID) Format
1.0.0 to 1.6.2 (No such field in Y.1731 or 802.1ag)
cfm.maid.ma.name.length Unsigned 8-bit integer Short MA Name (MEG ID) Length
1.0.0 to 1.6.2 (No such field in Y.1731 or 802.1ag)

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