New commits:
commit 2e4894428805ea0dde8559033cd4624e5537c216
Author: Andrew Cagney <[email protected]>
Date: Fri Sep 28 13:16:30 2018 -0400
packets: use a substructure mechanism when checking IKEv2 last substructure
field
IKEv2 has nested substructures. An SA Payload contains Proposal
Substructures, and a Proposal Substructure contains Transform
Substructures.
When emitting the substructure, the Last Substruc[ture] field is set
to either that substructure's type (non-last) or zero (last).
This is separate to IKEv2's Next Payload field and the payload "chain"
- the SA payload is both linked into the payload "chain" (.PT) and
requires a specific sub-structure (.SST).
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