| Bug ID |
8378
|
| Summary |
Decoding of GSM MAP SMS Diagnostics
|
| Classification |
Unclassified
|
| Product |
Wireshark
|
| Version |
unspecified
|
| Hardware |
All
|
| OS |
All
|
| Status |
UNCONFIRMED
|
| Severity |
Trivial
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Created attachment 10088 [details]
Test Case
Build Information:
wireshark 1.9.0 (SVN Rev 47627 from /trunk)
Copyright 1998-2013 Gerald Combs <[email protected]> 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+ 2.22.0, with Cairo 1.10.0, with Pango 1.28.2, with
GLib 2.26.1, with libpcap, with libz 1.2.3.4, without POSIX capabilities,
without libnl, without SMI, without c-ares, without ADNS, without Lua, without
Python, without GnuTLS, without Gcrypt, without Kerberos, without GeoIP,
without
PortAudio, with AirPcap.
Running on Linux 2.6.35-22-generic, with locale en_IN, with libpcap version
1.1.1, with libz 1.2.3.4, without AirPcap.
Built using gcc 4.4.5.
--
Currently exception is being thrown when a GSM MAP packet bears diagnostic
information in addition to SM-Delivery Failure.
Relevant ASN are:
SM-EnumeratedDeliveryFailureCause ::= ENUMERATED {
memoryCapacityExceeded (0),
equipmentProtocolError (1),
equipmentNotSM-Equipped (2),
unknownServiceCentre (3),
sc-Congestion (4),
invalidSME-Address (5),
subscriberNotSC-Subscriber (6)}
SM-DeliveryFailureCause ::= SEQUENCE {
sm-EnumeratedDeliveryFailureCause SM-EnumeratedDeliveryFailureCause,
diagnosticInfo SignalInfo OPTIONAL,
extensionContainer ExtensionContainer OPTIONAL,
...}
The offending line seems to be "dissector_try_uint(sms_dissector_table, 0,
(tvbuff_t*)actx->value_ptr, actx->pinfo, top_tree);" in function
dissect_gsm_map_er_SM_DeliveryFailureCause. In case , this is commented out the
dissection seems to works fine.
A trace consisting a packet bearing diagnostics and one without it is
attached.
GSM 09.02 says SM delivery failure includes:
"and possibly detailed diagnostic information, coded as specified in TS GSM
03.40,under SMS-SUBMIT-REPORT and SMS-DELIVERY-REPORT. If the SM entity which
returns the SM Delivery Failure error includes detailed diagnostic information,
it shall be forwarded in the MAP_FORWARD_SHORT_MESSAGE response."
Doesn't this mean that the actual paramter tvb decoding (which is being
attempted in the line) should be done for a separate FSM response packet?
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