Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 13065] New: [IS-637A] SMS - Teleservice layer parameter --> IA5 encoded text i

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Bug ID	13065
Summary	[IS-637A] SMS - Teleservice layer parameter --> IA5 encoded text is not correctly displayed
Product	Wireshark
Version	2.1.x (Experimental)
Hardware	x86-64
OS	Ubuntu
Status	UNCONFIRMED
Severity	Major
Priority	Low
Component	Dissection engine (libwireshark)
Assignee	bugzilla-admin@wireshark.org
Reporter	luckyrtf@ukr.net

Build Information:
Version 2.1.0-2872-ge65ab3c (Git Rev Unknown from unknown)

Copyright 1998-2016 Gerald Combs <gerald@wireshark.org> 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 5.2.1, with libpcap, with POSIX capabilities (Linux),
without libnl, with GLib 2.40.2, with zlib 1.2.8, with SMI 0.4.8, with c-ares
1.10.0, with Lua 5.2, with GnuTLS 2.12.23, with Gcrypt 1.5.3, with MIT
Kerberos,
with GeoIP, without QtMultimedia, without AirPcap.

Running on Linux 3.13.0-95-generic, with locale C, with libpcap version 1.5.3,
with GnuTLS 2.12.23, with Gcrypt 1.5.3, with zlib 1.2.8.
Intel(R) Core(TM) i5-4300M CPU @ 2.60GHz (with SSE4.2)

Built using gcc 4.8.4.

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

Check the man page and http://www.wireshark.org for more information.
--
steps to reproduce:
Decode with wireshark the following PDU using ansi_637_tele protocol:
0003200790014a1a93c7c8d1214a993a852a95ac5ab97b062c99b46ad9bb872e9dbd7f061438916347912654b993674fa146953a956b57b166d61c58f265cd9f469d5af66dddbf871e5cfa75eddfc79f40080100

Expected result:
Encoded user data:
<>#"!%&'()*+,-./0123456789:;=?ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz

Actual result:
Encoded user data:
??d?<@?J?$x|FDBJLNPRTVXZ\^`bdfhjlnprtvz????????????????!#%')+-/135CEGIKMOQSUWY[]_a

The same PDU, but encoded with ASCII 7 bit instead of IA5 (Encoding is 1293
instead of 1a93) displayed correctly:
0003200790014a1293c7c8d1214a993a852a95ac5ab97b062c99b46ad9bb872e9dbd7f061438916347912654b993674fa146953a956b57b166d61c58f265cd9f469d5af66dddbf871e5cfa75eddfc79f40080100

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