On Wed, Feb 7, 2018 at 1:01 PM, Jim Jagielski <j...@jagunet.com> wrote:
>
> On Feb 7, 2018, at 1:41 PM, Graham Leggett <minf...@sharp.fm> wrote:
>
> On 07 Feb 2018, at 8:34 PM, William A Rowe Jr <wr...@rowe-clan.net> wrote:
>
> So long as other mod_proxy_* compiled against 2.4.29 do not crash, then no
> - it is doesn't seem we established an ABI contract. The pairing of
> httpd-2.4.30
> and the 2.4.30 mod_proxy_balancer are obviously in-sync.
>
>
> Digging through the code, the struct proxy_worker_shared is used by the
> ap_proxy_share_worker() and ap_proxy_find_workershm() both declared in
> proxy_util.c and therefore mod_proxy.so.
>
> The only user of these two functions is mod_proxy_balancer - so this looks
> safe as per your definition above.
>
> We need to document whether the name, scheme and hostname fields in
> proxy_worker_shared are intended for debugging purposes only (ie logging,
> status, errors) and are therefore safe to truncate or whether they can be
> used programmatically. I don’t see anything in mod_proxy_balancer that
> references these fields.
>
> IIRC, it's just for mod_status output. Nothing programmatic.

As an external representation - if mod_status is compiled against 2.4.29,
will it crash with this backport?

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