[strongSwan] Question on using libcharon

Noam Lampert lampert at google.com
Wed Mar 19 10:48:56 CET 2014

I have code that uses libcharon directly. It basically adds an ike_cfg,
peer_cfg, and then calls charon->start().

When peering two instances of this code with each other, I have a race
where one instance believes that it has a valid outgoing child_sa, and the
other does not yet recognize this SPI.
I believe the reason for this race is that both sides have initiator=false,
and are installing the child-sa from build_r() - whereas the intention was
that one side would have initiator=true and install the SA only in

Does all this make sense?
Do you see this as a bug?
Is there a suggested workaround?


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