Hi,
Ok
- The way to do it is to edit the .cnf file in asn1/gsmmap and
Re build the gsm_map dissector with asn2wrs (run nmake -f makefile.nmake
gsmmap in the asn1 dir and copy the resulting packet-gsm_map.[ch] to
epan/dissectors.
I suspect that this is a complete dtap message, if thats the case
You should copy the message to a new tvb and call the dtap dissector
with that tvb(packet-gsm_a_dtap.c).
Regards
Anders
-----Ursprungligt meddelande-----
Från: wireshark-dev-bounces@xxxxxxxxxxxxx
[mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] För Bruno Hivert
Skickat: den 7 oktober 2008 21:07
Till: 'Developer support list for Wireshark'
Ämne: Re: [Wireshark-dev] Naive attempt to dissect.
Er, well, I'n not sure I can post the packet because of (insert legalese FUD
here). And editing out some info is going to be a PITA (who knows how to
recalculate all the checksum, index, etc on all layers...)
However, If I have the time to figure out proper decoding, I can certainly
send a patch. When I looked at the code, there was certainly some TODO
lingering there.
/Bruno
-----Original Message-----
From: wireshark-dev-bounces@xxxxxxxxxxxxx
[mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of Anders Broman
Sent: October 7, 2008 14:36
To: 'Developer support list for Wireshark'
Subject: Re: [Wireshark-dev] Naive attempt to dissect.
Hi,
If you could post the packet it might be trivial to fix "proper" decoding.
Regards
Anders
-----Ursprungligt meddelande-----
Från: wireshark-dev-bounces@xxxxxxxxxxxxx
[mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] För Jeff Morriss
Skickat: den 7 oktober 2008 19:24
Till: Developer support list for Wireshark
Ämne: Re: [Wireshark-dev] Naive attempt to dissect.
Bruno Hivert wrote:
> Hello,
>
> Im trying some very simple decoding for gsm-map packets. Its very
> simple, because the dissector I need already exists, its just not
> called in the proper context.
>
> If you have a look at the attached diff file, youll understand what Im
> trying to do.
>
> However, I cannot even try this apparently trivial-as-an-API-call
> modification, because it does not compile.
[...]
> epan/.libs/libwireshark.so: undefined reference to `de_bearer_cap'
[...]
> What am I doing wrong, and where can I express the dependency without
> pulling way to many things in ?
The basic problem is that de_bearer_cap() is declared as static in
packet-gsm_a_dtap.c: that means no other module (.c file) can use it.
If you remove the keyword "static" it will at least link. (Of course it
would also be better to have a prototype in a header file, etc.)
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