[strongSwan] Use strongswan for Ike only

[Tobias Brunner]

Hi Shreyas,

> What about licenses? If I build the custom plugin for a commercial
> project, will I have to make the modified source code available to the
> public under the GPL?

Yes.  However, most parts of the strongSwan source code are also
available under a commercial license.  Please contact us directly if you
are interested.

Regards,
Tobias