Wireshark mailing list archives
Lua syntax question
From: Beth <beth.tridium () gmail com>
Date: Thu, 19 Nov 2009 17:00:53 -0500
I'm creating a chained dissector in Lua, and all I want to do is strip the first N bytes off of the tvb and pass the remainder to another dissector. I've been poring over the Lua section of the Wireshark manual, as well as the Wireshark-Lua wiki pages, but I can't find the exact syntax I need. Everything I try gets an error of one type or another, I guess I'm not reading the API reference correctly. Can someone tell me the correct syntax? Here's a simplified version of my dissector code: function chained.dissector( tvbuffer, pinfo, treeitem ) -- first, create a new tvb that skips the first 50 bytes -- Each of these causes a Lua error: newtvb = Tvb( tvbuffer(50) ) newtvb = Tvb.new( tvbuffer(50) ) newtvb = Tvb.tvb( tvbuffer(50) ) newtvb = Tvb( tvbuffer(50) ) -- this doesn't work either! tvbrg = tvbuffer(50) newtvb = Tvb.new_real(tvbrg.bytes()) -- then pass the data to the next dissector next_dissector:call( newtvb, pinfo, treeitem ) end Thanks!! b.
___________________________________________________________________________ Sent via: Wireshark-dev mailing list <wireshark-dev () wireshark org> Archives: http://www.wireshark.org/lists/wireshark-dev Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev mailto:wireshark-dev-request () wireshark org?subject=unsubscribe
Current thread:
- Lua syntax question Beth (Nov 19)
- Re: Lua syntax question Stig Bjørlykke (Nov 19)
- Re: Lua syntax question Beth (Nov 19)
- Re: Lua syntax question Stig Bjørlykke (Nov 19)