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Ethereal-dev: Re: [Ethereal-dev] ASN1.C and Packet-ACSE.c and Packet-pres.c

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From: ronnie sahlberg <ronniesahlberg@xxxxxxxxx>
Date: Mon, 13 Sep 2004 19:57:55 +1000
looking at packet-acse.c and comparing it with the ASN1 definition in
http://www.itu.int/ITU-T/asn1/database/itu-t/x/x227bis/1998/ACSE-1.html
it appears the current implementation is a very small subset of the
full protocol.

So I propose as soon as possible to convert it to packet-ber and being
automatically generated by our asn2eth compiler.




On Mon, 13 Sep 2004 08:19:28 +0000, Sid Sid <ysidelnikov@xxxxxxxxxxx> wrote:
> >From: Herbert Falk <herb@xxxxxxxxxxxx>
> >IEC 61850 is specifying the use of X,509 certificates for Application Level
> >Authentication within ACSE.  I have extended packet-acse.c to decode this
> >and the ACSE Authentication values as specified by ACSE and the ACSE
> >Mechanism Name.
> I guess it's the best way  - to extend but not to rewrite.
> >In doing so, I found that packet-acse.c and packet-pres.c make limited use
> >of ASN1.c.  Thus they are vulnerable and will break if indefinite length
> >encodings are encountered.
> Strong   assertion.
> Do you really have  example of capture file which breaks acse/pres
> dissectors?
> If yes do you mind to send me such file(s) ?
> I guess all what we need is to path acse/pres dissectors if need be using
> such capture file.
> I already have MMS capture file you've sent me couple of months ago  - seems
> ok with acse/pres dissectors.
> Thank you.
> 
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