Wireshark-bugs: [Wireshark-bugs] [Bug 12674] ISUP dissector does not handle the "Carrier Identif

Date: Wed, 27 Jul 2016 12:12:54 +0000

changed bug 12674


What Removed Added
CC   [email protected]

Comment # 1 on bug 12674 from
(In reply to Pavel Sindelka from comment #0)
> Build Information:
> Version 2.0.4 (v2.0.4-0-gdd7746e from master-2.0)
> 
> Copyright 1998-2016 Gerald Combs <[email protected]> and contributors.
> License GPLv2+: GNU GPL version 2 or later
> <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
> 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 Qt 5.3.2, with WinPcap (4_1_3), with libz 1.2.8, with
> GLib 2.42.0, with SMI 0.4.8, with c-ares 1.11.0, with Lua 5.2, with GnuTLS
> 3.2.15, with Gcrypt 1.6.2, with MIT Kerberos, with GeoIP, with QtMultimedia,
> with AirPcap.
> 
> Running on 64-bit Windows 10, build 10586, with locale C, with Npcap version
> 0.07, based on WinPcap version 4.1.3 (packet.dll version 4.1.0.2980), based
> on
> libpcap version 1.0 branch 1_0_rel0b (20091008), with GnuTLS 3.2.15, with
> Gcrypt
> 1.6.2, without AirPcap.
>        Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz (with SSE4.2), with 8141MB of
> physical memory.
> 
> 
> Built using Microsoft Visual C++ 12.0 build 40629
> 
> Wireshark is Open Source Software released under the GNU General Public
> License.
> 
> --
> Hi,
> 
> in particular, the parameter c5 03 22 40 23 gets dissected as:
> ------
>     Parameter Type unknown/reserved (3 Bytes)
>         Optional Parameter: Carrier identification (197)
>         Parameter Length: 3
> ------
> So nothing about the value in the dissection pane, and the text item in the
> tree reads "unknown/reserved" although the parameter name is identified
> properly as "Carrier Identification" in the subtree item.
> 
> The missing dissection of the parameter value is
>     0... .... = spare
>     .010 .... = Type of Network: National
>     .... 0010 = Network Identification Plan: 4-digit carrier identification
>     Carrier Identification: 0432
>         .... 0000 = Address signal digit: 0 (0)
>         0100 .... = Address signal digit: 4 (4)
>         .... 0011 = Address signal digit: 3 (3)
>         0010 .... = Address signal digit: 2 (2)
>         Carrier Identfication digits: 0432
> 
> The reference is available here:
> ftp://ftp.3gpp2.org/Archive/TSGN%20(inactive)/Working/2001/2001_02_Chandler/
> Opening_Plenary/fyi%20T1%20Ballots/T1.113Ballot.pdf
> 
> A hex dump (to be imported using encapsulation type "Wireshark Upper PDU
> export") of an example frame follows:

Would have been easier to attach the pcapng file directly :)

> 
> (the last line, 000000 00, is a workaround of the bug of import from hex
> which causes the last octet of the last frame to be omitted during import).

This is due to a missing space at the end of the previous packet dump


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