Wireshark-bugs: [Wireshark-bugs] [Bug 8769] New: ISUP and MAP display filters use with multiple
Date: Wed, 05 Jun 2013 14:09:52 +0000
Bug ID 8769
Summary ISUP and MAP display filters use with multiple SCTP packets in a frame
Classification Unclassified
Product Wireshark
Version 1.10.0
Hardware x86
OS Windows XP
Status UNCONFIRMED
Severity Normal
Priority Low
Component TShark
Assignee bugzilla-admin@wireshark.org
Reporter fabio.bettoni@telecomitalia.it

Created attachment 10927 [details]
Multiple SCTP packets in ethernet frame

Build Information:
Version 1.10.0rc2 (SVN Rev 49526 from /trunk-1.10)

Copyright 1998-2013 Gerald Combs <gerald@wireshark.org> 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+ 2.24.14, with Cairo 1.10.2, with Pango 1.30.1, with
GLib 2.34.1, with WinPcap (4_1_3), with libz 1.2.5, without POSIX capabilities,
without libnl, with SMI 0.4.8, with c-ares 1.9.1, 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 May 22 2013), with AirPcap.

Running on Windows XP Service Pack 3, build 2600, with WinPcap version 4.1.3
(packet.dll version 4.1.0.2980), based on libpcap version 1.0 branch 1_0_rel0b
(20091008), GnuTLS 2.12.18, Gcrypt 1.4.6, without AirPcap.
              Intel(R) Pentium(R) 4 CPU 3.80GHz, with 3199MB of physical
memory.
--
Hello,

I have to filter ISUP and GSM_MAP/TCAP/SCCP packets from ethernet frames having
multiple SCTP packets inside.

the problems are:

1. if I apply a filter to match one ISUP packet (or GSM_MAP), tshark shows
fields  values with same name from all ISUP packets. It should show only field
values in the matched packet(s) (as in the following command on attached
trace).

  tshark.exe -r "multiple checkimei.pcapng" -Y "isup.cic == 120" -T fields -E  
separator=, -E quote=d -e frame.number -e isup.message_type -e isup.cic

  "1","23,23,23","56,60,120"

2. if I apply a filter with more conditions (e.g. A and B), the conditions are
not applied to the single ISUP packet. If in the same ethernet frame, ISUP
packet #1 matches condition A and ISUP packet #2 matches condition B,  tshark
again shows fields from all ISUP packets.


I noticed there is -E occurrence=f|l|a to show first, last or all occurences,
but I want the correct one(s) from matched packet(s) It's ok if the same packet
has more fields with same name (like gsm_map.tbcd_digits field).


Fabio


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