Wireshark · Ethereal-dev: Re: [Ethereal-dev] question regarding protocol dissector as pluginunder ethereal-0.9.15

[Tomas Kukosa <tomas.kukosa@xxxxxxxxxxx>]

Hi,
  what OS do you use?
I tested your source on Windows and it looks good (see attached file).

Tom

Parul Singla wrote:
> 
> Hi,
>    Yeah, I do see my plugin in the tools->plugin list. But unfortunatly I do
> not see my plugged-in protocol in edit->protocols list where the list of all
> registered protocols and plugins like "pcli" are present.
> 
> I went thru a few plugin codes like pcli, gryphon etc.. they all use
>  dissector_add("PARENT_SUBFIELD", ID_VALUE, xxx_subiss_handle); where
> PARENT_SUBFIELD is usually "udp.port" or "tcp.port", ID_VALUE = i guess the
> port # and then the handle..
> 
> in "void proto_reg_handoff_xxx_subiss(void) "
> 
> I did not get the use of this function.. what is it supposed to do and why
> taking into account tcp, udp ports?
> 
> I have attached the code with this. Also I guess there is some problem in
> the
> 
> "void proto_register_xxx_subiss(void)" routine. I'm never able to call:
> 
>  static void dissect_xxx_subiss(tvbuff_t *tvb, packet_info *pinfo,
> proto_tree *tree)
> 
> Any help, wut I'm doing wrong? I do not have preference menus. That's why I
> did not register any prefrences. Anyway the basic problem is protocol
> registration itself.
> 
> Thanks and Regards,
> -Parul
> 
> ----- Original Message -----
> From: "Tomas Kukosa" <tomas.kukosa@xxxxxxxxxxx>
> To: "Parul Singla" <parul@xxxxxxxxxxxxxx>
> Cc: "Ethereal Development" <ethereal-dev@xxxxxxxxxxxx>
> Sent: Sunday, October 05, 2003 10:32 PM
> Subject: Re: [Ethereal-dev] question regarding protocol dissector as plugin
> underethereal-0.9.15
> 
> > Parul Singla wrote:
> > >
> > > Hi guys,
> > >  I'm writing a plugin to dissect a frame. One frame consists of:
> > >     our proprietary frame, followed by 802.11 frame
> > >
> > > The plugin is for dissection of the proprietary frame.
> > >
> > > 1. I wrote proto_register_xxx() routine. It does not have any header,
> field
> > > registration as of now. So this function just calls
> > > proto_register_protocol(.....). The problem is when I run ethereal after
> > > compilation and make, I do not see my protocol under Edit->protocols
> menu
> > > where the list of all registered protocols are present, including the
> > > plugin's like "pcli".
> >
> > First check if you can see your plugin in the Tools->Plugins... list.
> >
> > > Readme.developer says that the file containing a dissector's "register"
> > > routine must be added to "DISSECTOR_SOURCES" in Makefile.am" , but this
> is
> > > true if its not a plugin. I have the file containing "register" routine
> > > defined under "plugin_src" in ethereal-0.9.15/Makefile.am, since mine is
> a
> > > plugin.
> >
> > Yes. You are right.
> >
> > >
> > > 2. How do I call 802.11 frame dissector routines after dissection of our
> > > proprietary frame?
> >
> > Try:
> >
> > static dissector_handle_t ieee80211_handle;
> >
> > static void
> > dissect_yourproto(...){
> > ...
> >   next_tvb = tvb_new_subset(tvb, offset, len, rep_len);
> >   call_dissector(ieee80211_handle, next_tvb, pinfo, tree);
> > ...
> > }
> >
> > void proto_reg_handoff_yourproto(void)
> 
> > ...
> >   ieee80211_handle = find_dissector("wlan");
> >   /* look into packet-ieee80211.c which dissector you need ("wlan",
> > "wlan_fixed", "wlan_bsfc")*/
> > }
> >
> > > Any help is appreciated.
> > >
> > > Thanks and Regards,
> > > -Parul
> >
> >  Regards,
> >   Tom
> 
>   ------------------------------------------------------------------------
>                           Name: packet-xxx-subiss.c
>    packet-xxx-subiss.c    Type: Tornado Source File (application/x-unknown-content-type-TornadoSourceType)
>                       Encoding: quoted-printable
> 
>   ------------------------------------------------------------------------
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