https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3073
Summary: Support for ModbusTCP over UDP
Product: Wireshark
Version: unspecified
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: Enhancement
Priority: Low
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: jow@xxxxxx
Joakim Wiberg <jow@xxxxxx> changed:
What |Removed |Added
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Attachment #2501| |review_for_checkin?
Flag| |
Created an attachment (id=2501)
--> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=2501)
Patch for ModbusTCP dissector to also support ModbusUDP
Build Information:
Version 1.1.2 (SVN Rev unknown)
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+ 2.14.4, with GLib 2.18.2, with WinPcap (version unknown),
with libz 1.2.3, without POSIX capabilities, with libpcre 7.0, with SMI 0.4.8,
with c-ares 1.5.3, with Lua 5.1, with GnuTLS 2.3.8, with Gcrypt 1.4.1, with MIT
Kerberos, without GeoIP, with PortAudio V19-devel (built Nov 19 2008), 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++ 9.0 build 30729
--
This patch allows the ModbusTCP dissector (packet-mbtcp.c) to decode ModbusUDP
packets. Essentially this is the same packets over UDP instead of TCP.
ModbusUDP isn't an offial part of the ModbusTCP specification but used by
several vendors.
The patch is rather lengthy since the original file did contain a lot of
trailing spaces and those have been removed.
The patch have passed the fuzz testing.
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