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Re: [GSoC] Packet Editor and Viewer
From: Guy Harris <guy () alum mit edu>
Date: Thu, 18 Apr 2013 10:00:09 -0700


On Apr 15, 2013, at 1:57 PM, Edwin Abraham <edwin.abraham12 () gmail com> wrote:

I agree on the confusion. The initial thought when I saw the project details on the Wireshark GSoC page was that a 
platform to design dissectors based on existing data.

That's an interesting idea, but that's not any of the current GSoC proposals.  Perhaps it should be.

My thought about the Packet Editor environment was to have a UI that can be used for multiple functions. Packet 
editing, Creating Filter/Dissectors, Tools making listener. The main function would be to extend the editcap 
capabilities to the GUI.

...which means deleting entire packets (-A and -B; -d, -D, and -w; and the packet range arguments and -r), tweaking 
time stamps (-S and -t), removing data from all or specified packets (-C and -s).

The randomly-trash-data-in-the-packet function is there for fuzz-testing, and probably doesn't need to be in Wireshark.

The other functions are for splitting capture files up; that would probably be done in a function under the File menu 
in an Export function; it's not an interactive editing function.

The only editcap functions that involve editing packet data are the ones that chop data from the beginning or end of 
the packet; there's nothing that resembles the current (not configured in by default) packet editor UI. 

After filtering out and selecting the required packets, they are opened in the Packet Editor UI. The packets can be a 
capture file or a capturing device

"A capturing device" is, in effect, a capture file; if you're doing, or have done, a live capture, Wireshark has a 
capture file open that contains the captured packets.

but the filter has to narrow down the packet editing.
The UI will have three sets of toolbar and options (editcap,dissector,listener) to manipulate the packet. 

There will also exist a viewing tools to change how the selection of packets are percieved. Like data can be 
represented as HEX/BIN/ASCII with help of toggle switches.

To which data are you referring?  A particular field?

Below is a rough idea of how the UI can look like.

Static views of a UI don't always indicate very much.

Could you describe a typical task that would be done with the UI, by walking through the operations that would be done 
with the UI elements?
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