Wireshark · Wireshark-dev: Re: [Wireshark-dev] NBAP: dissection of Private Messages

["Anders Broman" <anders.broman@xxxxxxxxxxxx>]

Hi,
There may not be a dissector table for private IE:s which in that case needs to be added. How much of the message
is decoded presently?
Regards
Anders

________________________________

Från: wireshark-dev-bounces@xxxxxxxxxxxxx genom praveen.jha@xxxxxxxxxxx
Skickat: ti 2008-02-26 19:54
Till: Developer support list for Wireshark
Ämne: Re: [Wireshark-dev] NBAP: dissection of Private Messages



Hi,
"PrivateMessage" PDU is already defined in the NBAP spec, but it doesn't have any IEs currently.
I am adding IEs to it (PrivateMessage-IEs).


PrivateMessage-IEs NBAP-PRIVATE-IES ::= {

{ ID local:id-type-1 CRITICALITY criticality TYPE Sample-Message-Type PRESENCE optional} ,
...
}

Regards

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Re: [Wireshark-dev] NBAP: dissection of Private Messages	
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Hi,
Are you trying to add private PDU:s or Privare IE:s to a existing PDU?
Can you post a .pcap file of the message? 

Regards
Anders


________________________________

From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of praveen.jha@xxxxxxxxxxx
Sent: den 26 februari 2008 17:25
To: wireshark-dev@xxxxxxxxxxxxx
Subject: [Wireshark-dev] NBAP: dissection of Private Messages


Hi,
I am trying to implement the dissection of NBAP containing private message(s). For that I am including my private message
in asn1 format.
the message format is as follows :

-- ****************************************************************************************************************************
-- Private PDUs
-- ****************************************************************************************************************************

PrivateMessage-IEs NBAP-PRIVATE-IES ::= {
{ ID local:id-type-1 CRITICALITY criticality TYPE Sample-Message-Type PRESENCE optional} |
{ ID local:id-type-2 CRITICALITY criticality TYPE Sample-Message-Type PRESENCE optional} ,
...
}

Sample-Message-Type ::= CHOICE {
type-a value-a ,
type-b value-b
}

the above definition, I have added in NBAP-PDU-Containers.asn file.



--*******************************************************************************************************************************
--Private Constants
--*******************************************************************************************************************************
id-type-1 6000
id-type-2 7000
--*******************************************************************************************************************************
Added the constants in NBAP-Constants.asn file.

Apart from this I have also modified the CNF file,
In REGISTER_NEW added type-1, type-2 as IEs and, then type-a and type-b as IE-Extensions.

But the dissector is not able to dissect the Sample-Message-Type.
Any suggestions??

Regards,
Praveen Kumar Jha


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