Q: get_server_name() check for proxy?

[Martin Kraemer <Ma...@mch.sni.de>]

Since a short while there is code in get_server_name() and get_server_port()
and construct_url() which looks like this:

    if (d->use_canonical_name & 1) return r->server->server_hostname;

(as opposed to the regular (r->hostname) ? r->hostname : r->server->server_hostname;
check).

Now I wonder if there can be situations where one of these routines is
called when a proxy request is being served (r->proxyreq != 0). In such
a situation the real server name should always/never be returned,
depending on the caller's context.
I haven't dug thru the code yet; can such a situation occur?

    Martin
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