Wireshark-bugs: [Wireshark-bugs] [Bug 7648] enhanced GSM MAP checkIMEI new tags

Date: Fri, 17 Aug 2012 05:59:09 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7648

--- Comment #4 from Fabio Bettoni <fabio.bettoni@xxxxxxxxxxxxxxxx> 2012-08-17 05:59:08 PDT ---
Hi Pascal,

I'm not a BER or PER guru but:

- I need to decode checkIMEIs coming from real network.
- I don't know if these checkIMEIs are really standard or extension by Ericsson
- I tried, with external help, to manage that unhandled tags changing current
ASN.1 definition a lot of times.
- The patch is compiling and working to me on Linux and below is the print as
text output.

If you know a better solution to adhere to ASN.1/BER/PER/3GPP specifications
would be great, but it's really useful for my team to decode that tags,

thank you
Fabio

-------------------------
No.     Time           Source                Destination           Protocol
Length Info
      1 0.000000000    11694                 1507                  GSM MAP  166
   invoke checkIMEI 

Frame 1: 166 bytes on wire (1328 bits), 166 bytes captured (1328 bits) on
interface 0
Ethernet II, Src: Cisco_2b:d5:49 (00:14:a8:2b:d5:49), Dst: TslCommu_9f:1b:f0
(08:00:77:9f:1b:f0)
Internet Protocol Version 4, Src: 163.162.130.8 (163.162.130.8), Dst:
192.168.0.249 (192.168.0.249)
Stream Control Transmission Protocol, Src Port: 2908 (2908), Dst Port: m3ua
(2905)
MTP 3 User Adaptation Layer
Signalling Connection Control Part
Transaction Capabilities Application Part
GSM Mobile Application
    Component: invoke (1)
        invoke
            invokeID: -125
            opCode: localValue (0)
                localValue: checkIMEI (43)
            imei: 01000000000000f0
            TBCD digits: 100000000000000
            imsi: 22025105003080f3
            TBCD digits: 222015500003083
            locationInformat: 00822e0001
-------------------------

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