Hi list,

I'm trying to set up suExec with virtual hosts, and I am either going about
this all wrong, or I have found a bug.

Given the following vhost:

<VirtualHost *:80>
 SuexecUserGroup example.org example.org

 ScriptAlias /php5 ~/cgi-bin/php
 Action php5-cgi /php5
 AddHandler php5-cgi .php

 ServerName www.example.org
 ServerAlias example.org
 ServerAdmin support@(protected)

 DocumentRoot /home/example.org/www/htdocs
 <Directory "/home/example.org/www/htdocs">
   Order allow,deny
   Allow from all
   Options Indexes FollowSymLinks
 </Directory>

 LogLevel warn
 CustomLog /home/example.org/logs/access.log combined
 ErrorLog /home/example.org/logs/error.log

 <Directory /home/example.org/cgi-bin>
   Order allow,deny
   Allow from all
 </Directory>


</VirtualHost>

and the following suExec config:

-D AP_DOC_ROOT="/opt/ccp"
-D AP_GID_MIN=100
-D AP_HTTPD_USER="apache"
-D AP_LOG_EXEC="/var/log/apache2/suexec_log"
-D AP_SAFE_PATH="/usr/local/bin:/usr/bin:/bin"
-D AP_SUEXEC_UMASK=077
-D AP_UID_MIN=1000
-D AP_USERDIR_SUFFIX="cgi-bin"

First I'll explain why I have this setup. /opt/ccp is a piece of software that
allows me to control the server via http. I'd rather not move it.

The virtual hosts will obviously run as their own user, in their home
directory (/home/tld).

The line in question is the ScriptAlias line. If I use a full path like:

ScriptAlias /php5 /home/example.org/cgi-bin/php

suExec fails saying it's outside of the docroot. I believe this is correct
behavior, though it would be nice if suExec knew /home/example.org is the
same as ~

Where it gets buggy is if I have it as in the example:

ScriptAlias /php5 ~/cgi-bin/php

Now suExec is happy, but Apache (incorrectly, IMO) prepends ServerRoot and
cuts off all but the tilde. PHP scripts throw a 403 and In my log I get:

client denied by server configuration: /usr/lib64/apache2/~

I know that the normal behaviour for Apache is to prepend ServerRoot to any
path not starting with "/", but this conflicts with the requirement of suExec
to begin any user-owned path with ~ which is why I think it may be considered
a bug.

Does anyone know how I can achieve this? I'm running Apache 2.2.9 on a Gentoo
box.

Thanks,
Nick

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