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Date: Wed, 22 Jan 2014 16:54:37 +0100
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Subject: Re: mod_alias' Redirect with dynamic host
From: Thomas Eckert <thomas.r.w.eckert@gmail.com>
To: dev@httpd.apache.org
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I remember a discussion about general support for this kind of expression
parsing after I asked for it via IRC/list but cannot remember what became
of it. It would definitely be neat to have that kind of thing in there -
much less copy-n-paste like config sections ! Glad to hear there's progress
on this front. Thanks !


On Wed, Jan 22, 2014 at 4:42 PM, Graham Leggett <minfrin@sharp.fm> wrote:

> On 22 Jan 2014, at 5:36 PM, Thomas Eckert <thomas.r.w.eckert@gmail.com>
> wrote:
>
> Some time ago I put up HTTP to HTTPS redirects in place which now needed
> an update so they would not only work for constant host names but use the
> 'Host' header information as target host.
> So a simple
>   Redirect permanent / https://example.org/
> wasn't enough. I wanted to avoid using mod_rewrite (not included in my
> configs so far anyway) and stick with the much simpler mod_alias so I read
> through mod_alias.c. From what I could see there wasn't any means to do get
> this working so I came up with
>
>
> This looks like a job for the expression parser, ie this:
>
> Redirect permanent / https://%{HOST}/
>
> (Syntax off top of head, probably wrong).
>
> Having done expression parser for the require directive, my next one on
> the wishlist was DocumentRoot (to replace the mass virtual hosting module)
> followed by mod_alias.
>
> Regards,
> Graham
> --
>
>

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<div dir=3D"ltr"><div>I remember a discussion about general support for thi=
s kind of expression parsing after I asked for it via IRC/list but cannot r=
emember what became of it. It would definitely be neat to have that kind of=
 thing in there - much less copy-n-paste like config sections ! Glad to hea=
r there&#39;s progress on this front. Thanks !</div>
</div><div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Wed,=
 Jan 22, 2014 at 4:42 PM, Graham Leggett <span dir=3D"ltr">&lt;<a href=3D"m=
ailto:minfrin@sharp.fm" target=3D"_blank">minfrin@sharp.fm</a>&gt;</span> w=
rote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div style=3D"word-wrap:break-word"><div><di=
v class=3D"im"><div>On 22 Jan 2014, at 5:36 PM, Thomas Eckert &lt;<a href=
=3D"mailto:thomas.r.w.eckert@gmail.com" target=3D"_blank">thomas.r.w.eckert=
@gmail.com</a>&gt; wrote:</div>
<br><blockquote type=3D"cite"><div dir=3D"ltr"><div>Some time ago I put up =
HTTP to HTTPS redirects in place which now needed an update so they would n=
ot only work for constant host names but use the &#39;Host&#39; header info=
rmation as target host.<br>

So a simple<br>=A0 Redirect permanent / <a href=3D"https://example.org/" ta=
rget=3D"_blank">https://example.org/</a><br>wasn&#39;t enough. I wanted to =
avoid using mod_rewrite (not included in my configs so far anyway) and stic=
k with the much simpler mod_alias so I read through mod_alias.c. From what =
I could see there wasn&#39;t any means to do get this working so I came up =
with<br>
</div></div></blockquote><div><br></div></div><div>This looks like a job fo=
r the expression parser, ie this:</div><div><br></div><div>Redirect permane=
nt /=A0<a>https://%{HOST}/</a></div></div><br><div>(Syntax off top of head,=
 probably wrong).</div>
<div><br></div><div>Having done expression parser for the require directive=
, my next one on the wishlist was DocumentRoot (to replace the mass virtual=
 hosting module) followed by mod_alias.</div><div><br></div><div>Regards,</=
div>
<div>Graham</div><div>--</div><div><br></div></div></blockquote></div><br><=
/div>

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