[Oisf-users] Is there a guide how to add a new application layer protocol plugin

[tidy at holonetsecurity.com]

Cool,  Thanks Tom.

-Tidy
> On Apr 12, 2017, at 11:58 PM, Tom DeCanio <decanio.tom at gmail.com> wrote:
> 
> 
> My DHCP code is here https://github.com/decanio/suricata-np/tree/feature/dhcp-v2 <https://github.com/decanio/suricata-np/tree/feature/dhcp-v2> for those who are curious.  Close to sending a PR for this.  Comments are welcome.
> 
> Tom
> 
> On Mon, Apr 10, 2017 at 8:33 AM Tom DeCanio <decanio.tom at gmail.com <mailto:decanio.tom at gmail.com>> wrote:
> We've got a DHCP implementation well underway.  I need to push the most recent work to my pubic git repo.
> 
> Tom
> 
> On Sun, Apr 9, 2017 at 10:16 PM, tidy at holonetsecurity.com <mailto:tidy at holonetsecurity.com> <tidy at holonetsecurity.com <mailto:tidy at holonetsecurity.com>> wrote:
> Jason, great and thanks very much for your detail info and will update you when I run into issue.
> 
> -Tidy
> 
> > On Apr 10, 2017, at 12:11 PM, Jason Ish <lists at ish.cx <mailto:lists at ish.cx>> wrote:
> >
> > On 09/04/17 08:55 PM, tidy at holonetsecurity.com <mailto:tidy at holonetsecurity.com> wrote:
> >> I would like to add application protocol parsing to suricata engine,
> >> example: DHCP protocol. what main framework code we need to change ?
> >> Thanks.
> >
> > There is not much of a guide right now, but there are some templates and generation scripts designed to help you get started.
> >
> > For the actual parsing of the protocol and handling protocol state, see:
> > src/app-layer-template.[ch]
> >
> > For logging application events (ie: dns, tls, etc) see:
> > src/output-json-template.c
> >
> > For performaning content inspection on buffers extracted as part of the app-layer see:
> > src/detect-template-buffer.c
> >
> > There are some scripts to handle some of the boilerplate, such as:
> >
> > - To stub the initial app-layer for your protocol:
> >  ./scripts/setup-app-layer.sh DHCP
> > (sorry, there is a typo in this script...  edx instead of ed, so just fix that up before running)
> >
> > - To stub out the application logging:
> >  ./scripts/setup-app-layer-logger.sh DHCP
> >
> > - And to stub out detection:
> >  ./scripts/setup-app-layer-detect-detect.sh DHCP
> >
> > Please note that I think the scripts may be do for some updating, so please let me know if you run into any issues.
> >
> > As for DHCP, please note than an implementation is already under review and should show up soon.
> >
> > Jason
> > _______________________________________________
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> 
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