Hi Herbert,
I am making extensive changes in ASN2ETH now and I can add another encoding (BACnetER) too.
Please, do not make big change in ASN2ETH now, it would be problem to merge our changes.
What is planned protocol name for BACnetER helper? ("bacneter", "bner", ...)
Will be BACnetER helper API compatible e.g. with current BER or PER API?
Regards,
Tom
Herbert Lischka wrote:
Hi Ronnie,
I found this german Diplomarbeit at
http://www.abmlinux.de/DA/Diplomarbeit.pdf
and it seems interesting for me to study it and to try the
reimplementation, but in this Diplomarbeit they write about at least 3
months of work.... so
"What we need is to make ASN2ETH encoding agnostic ... and make it
easy to implement and add new encodings for asn1 defined protocols."
I will try it.
If I need some help, may I ask you ?
Best regards
Herbert
ronnie sahlberg wrote:
I very rarely compile for windows,
I see you add a new library ICONV.LIB to the makefile and i assume
to the dependencies.
Is this a library available on all windows boxens ?
libiconv is already used if you compile with GTK2
I notice there is a libiconv package required for windows, is this
this library referenced from the Makefile.nmake?
It's the same
I dont really like that this dissector tries to implement its own
handwritten BER unmarshalling. There is already a too many of these
reimplementations of BER decoding helper functions in ethereal and we
should not add more. The ones we do have in packet-ber.c are the only
ones which are reasonably well tested, works reasonably well and are
used by teh automatic asn.1 to ethereal compiler.
It seems bacapp is really just a protocol described by asn.1 and using
BER for encoding.
most of the dissectors I added described by asn.1 in my headerfile
Instead of adding to this one what really should be done is to
reimplement BACapp from scratch as a dissector generated automatically
from the ASN.1 definitions and using ASN2ETH.
Is the BACAPP ASN.1 protocol specification publicly available?
at http://www.ashrae.org -> bookstore
"Standard 135-2004 – BACnet® – A Data Communication Protocol for
Building Automation and Control Networks (ANSI Approved)"
price $119,--
