[users@httpd] RewriteRule and Environment variables...

"Neil A. Hillard" <hillardn@xxxxxxxxx> · Mon, 23 Jan 2006 12:37:38 +0000

Hi,

Robert Ionescu wrote:

Neil A. Hillard wrote:

Hi,

    I've been bashing my head against the wall with this problem for a 

while now and apart from a headache haven't really got anywhere.

    I currently have Apache (2.0.54 but I've tried 2.0.55), built from 

source, running as an accelerator to several backends.  Without 

getting too deep into how I'll be using it, I'm essentially trying to do:

SetEnv PROTO http

Try to use the module mod_setenvif instead of mod_env. As said in the 

manual (mod_env):

|Summary
|

|This module allows for control of the environment that will be provided 

|to CGI scripts and SSI pages.

I couldn't spot an easy way of using SetEnvIf to determine whether the 

request had come in using http or https, so I've used mod_rewrite to do it:

RewriteRule     .* - [E=PROTO:http]
RewriteCond     %{HTTPS} on
RewriteRule     .* - [E=PROTO:https]

I can then use %{ENV:PROTO} in any subsequent RewriteRules.

This appears to be working as desired.

				Neil.

--
Neil Hillard                    hillardn@xxxxxxxxx
Westland Helicopters Ltd.       http://www.whl.co.uk/

Disclaimer: This message does not necessarily reflect the
            views of Westland Helicopters Ltd.

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