[ale] setting an env variable that apache will see when calling a cgi script

[Geoffrey]

Brandon Checketts wrote:
> Geoffrey wrote:
>> I'm trying to figure out how to set an env. variable that will be 
>> available to a perl cgi script.  I've tried putting it in the 
>> /etc/sysconfig/httpd file as well as in the /etc/init.d/httpd script, 
>> but it does not find it's way to the process that executes the cgi.
>>
>> Anyone know how to do this?  For example:
>>
>> print $ENV{'FOO'};
>>
>
> You can set them inside your Apache config with the mod_env Apache module, which
> should be included with most basic Apache installations.
> 
> <VirtualHost>
>    ServerName your.domain.com
>    ... your other configuration here...
>    SetEnv  somevar  "some value"
>    SetEnv
> </VirtualHost>
> 
> Documentation for the module is at
> http://httpd.apache.org/docs/2.2/mod/mod_env.html is pretty straightforward.

Thanks, that gets me almost what I want.  Basically, we have a existing 
env variable that we want accessible to the cgi scripts. But you put me 
on the right track as:

PassEnv variable

Does exactly what I need.  Thanks!

> 
> 
> The mod_setenvif is a bit more flexible and allows you to use conditionals to
> set environment variables.  Documentation at
> http://httpd.apache.org/docs/2.2/mod/mod_setenvif.html
> 
> 
> Example:
> 
> SetEnvIf Host !"^www\.hostname\.com$" wronghost=1
> 
> 
> That will set the environment variable 'wronghost' to 1 if the HTTP_HOST header
> is not 'www.hostname.com'.  Your Perl script can then respond accordingly
> (perhaps redirecting to the correct domain name in this case)
> 
> 
> 
> Thanks,
> Brandon Checketts
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> 


-- 
Until later, Geoffrey

Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety.
  - Benjamin Franklin