Hi Mike, This should have been easy. Apparently other wireshark dissector codes also make use of it. I don't know why I never thought this through earlier. Eitherway, Thanks alot for your help.
Regards, Hammad Kabir On Sat, Aug 25, 2012 at 10:03 PM, Mike Morrin <[email protected]> wrote: > On 25/08/2012 15:06, hammad kabir wrote: > >> Hi again, >> >> Any one having any other idea here. To put it short, I have written a >> plugin dissector for a custom protocol which works fine in wireshark, >> but as a next step I want rest of packet data to be decoded by a higher >> layer protocol dissector of wireshark (e.g. TCP or UDP, depending on a >> field value of custom protocol). Can you please guide me, as to what >> steps should I take in to account to get this task done. >> > > > In this respect a plug in dissector is the same as a built in dissector. > > Declare dissector handles: > static dissector_handle_t udp_handle, tcp_handle; > > Define a function such as: > void proto_reg_handoff_your_**dissector_name(void) > { > udp_handle = find_dissector("udp"); > tcp_handle = find_dissector("tcp"); > } > > Then in your dissector code: > { > ... > if (is_udp) > call_dissector(udp_handle, next_tvb, pinfo, tree); > else > call_dissector(tcp_handle, next_tvb, pinfo, tree); > } > >
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