Re: Regenerate asn dissector

[Pascal Quantin <pascal.quantin () gmail com>]

Hi Dario,

2018-02-19 15:04 GMT+01:00 Dario Lombardo <dario.lombardo.ml () gmail com>:

> That's what I needed. I was close to it, but I didn't get the right
> starting point for regenerating.
> What's missing IMHO is a cmake target for that. Maybe I will take some
> time to add one (many, actually).
> Thanks Darien.

As indicated by Alexis, Anders and Graham, CMake should already have
created a target.
Fox example on my Linux machine, in the build tree, I can go to
epan\dissectors\asn1\h248 folder and I have a Makefile that, when executed,
will run the asn2wrs command and update the file in the source tree.

Best regards,
Pascal.


> On Mon, Feb 19, 2018 at 2:41 PM, Darien Spencer <cusneud () mail com> wrote:
>
> > Hi
> > I've done this several times and the way I do it is:
> > 1. Look for the final dissector file, should be under
> > epan/dissector/packet-xxx.c (in this case packet-snmp.c)
> > 2. Copy the build command for asn2wrs as seen in the 4th line. In this
> > case it looks like this:
> > asn2wrs.py -b -p snmp -c ./snmp.cnf -s ./packet-snmp-template -D . -O
> > ../.. snmp.asn
> > 3. Open the command prompt in your dissector's asn1 folder
> > (/epan/dissector/asn1/snmp/)
> > 4. Run asn2wrs.py using it's full path. In my case it's
> > "C:\Development\wireshark\tools\asn2wrs.py" and add the parameters you
> > saw in the generated file
> > so it should look line this:
> > C:\Development\wireshark\tools\asn2wrs.py -b -p snmp -c ./snmp.cnf -s
> > ./packet-snmp-template -D . -O ../.. snmp.asn
> >
> > This should create the new packet-snmp.c and .h files under
> > epan/dissectors/ and override the existing ones
> >
> > Darien
> >
> > *Sent:* Monday, February 19, 2018 at 2:55 PM
> > *From:* "Dario Lombardo" <dario.lombardo.ml () gmail com>
> > *To:* "Developer support list for Wireshark" <wireshark-dev () wireshark org
> > >
> > *Subject:* [Wireshark-dev] Regenerate asn dissector
> > Hi
> > I've modified epan/dissectors/asn1/snmp/packet-snmp-template.c and I
> > want to regenerate the corresponding dissector.
> > I've found the cmake target epan/dissectors/asn1/snmp/generate_dissector-snmp,
> > but building it doesn't regenerate the dissector.
> > What's the missing step?
> > Thanks.
> > Dario.
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