Thank you Martin, that was helpful. cheers, SK
On Fri, Apr 17, 2015 at 12:34 AM, Martin Willi <[email protected]> wrote: > Hi, > > > router changes its source port on the UDP encap packet midway through a > > connection. I would like to look at this code to understand it a bit, > > but I am having trouble identifying the exact point for IKEv1 where > > this change is detected in the strongswan code. > > The kernel backend fires a mapping() event on kernel_interface_t, which > is propagated to all registered kernel_listener_t. libcharons > kernel_handler_t is one of them, which raises an asynchronous > migrate_job_t. > > That migrate job finds affected IKE_SAs and CHILD_SAs, tries to update > them. If updating CHILD_SAs is not supported using MOBIKE, it rekeys > them. > > Regards > Martin > >
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