[Bug 238301] [PATCH] handle encrypted swap in dumpon rc.d script

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=238301

--- Comment #3 from Ed Maste <emaste@freebsd.org> ---
> As for dumping to swap, doesn't that negate the purpose of using encrypted swap
> in the first place?

It depends on one's threat model; there are certainly cases where a user would
choose to use encrypted swap but still want the ability to save a core file.

We could emit a warning for this case though, something like:
---
if expr ${dev} : .*\\.eli >/dev/null; then
        echo "WARNING: kernel core dumps will be written to swap without
encryption" >&2
        dev=${dev%.eli}
fi
---

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