On Sun, Feb 15, 2004 at 05:27:36PM +0100, Matthijs Melchior wrote: Hello Matthijs,
> The ethereal ASN.1 dissector uses a type-table to describe the ASN.1 types > and values. This type-table is generated by 'snacc', a free ASN.1 compiler > suite, and in the configuration pane for the dissector you point it to such > a .tt file and mention the name of the top-level PDU and the port where > to expect these messages in a data stream. Yes, i allready figured that out and used snacc to create the table-type. It worked as expected. Good job! This is very handy for me :) I just got one problem, sometimes it seems not to dissect the whole PDU; it just shows "short frame" and the data seems to be crippled. I thought this was due to fragments in the first place, but in none of the TCP packets the more-fragments flag was set. However, i think that the testdata i have is recorded with a too short snaplength (tcpdump -s 94 is the default on that flavour of UNIX...). I will first try and get complete test-data. Btw, is there a possibilty to filter for certain aspects? Something like asn1.somemsg.someoption.parameter == something? > The source file for this dissector, plugins/asn1/packet-asn1.c in the > ethereal tree, contains some more documentation. Will have a look. Any plans for PER/XER et al. decoding? Not that any of our protocols use it, but who knows, our R&D changed slowly to a java-monkey department... *shiver* Anyway, thank you for this very fine plugin! It's a blessing for people who have to deal with all the ITU-T stuff. Cheers, Alex. -- .0. ..O OOO
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