I have a dissector. I dissect the content as delimited text. Sometimes the
textual content has further meaning, but I only want to dissect it in
further detail on a packet by packet basis and only if the user requests it
on a specific packet.

 

The reason is that the detailed dissection requires extra information to be
loaded and extra dissection processing. Is there any mechanism to expand a
section only when requested? A trivial example:

 

v Header

   Version: Release (1)

   Length: 123

v Text

   Prefix: A1

   1: PHN001:0:::555-123-4567

   2: NAM001:1:Smith:John

> Text Detail

 

If the "Text Detail" were expanded, then I could dissect the text area
something like:

 

v Text Detail

   1: Section: PHN001 Primary Phone 

   1a: Version: Release (1)

   1b: International: false

   1c: Country: empty

   1d: Phone: 555-123-4567

   2: Section: NAM001 Primary Name

   2a: Version: Release (1)

   2b: Last Name: Smith

   2c: First Name: John

 

This is easy if the detail is simple, but if there are hundreds or thousands
of sections and subsections, I would only want to dissect this in detail if
the user "really" wanted it. The process could/should/would probably
re-dissect the entire packet with a code that says "do depth n dissection".

 

I would probably read in section and subsection codes and element names from
a file. And whether detail dissection is globally available would be
controlled from the Protocol Preferences (Do X, Do, Y, Don't do Z), but only
do detail dissection on a chosen packet.

 

Thank you,

Jay Turner

 

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