mod_rewrite virtual-hostar

LoadModule vhost_alias_module            modules/mod_vhost_alias.so

<IfDefine DEFAULT_VHOST>
<VirtualHost *:80>
    #
    # DocumentRoot: The directory out of which you will serve your
    # documents. By default, all requests are taken from this directory, but
    # symbolic links and aliases may be used to point to other locations.
    #
    DocumentRoot "/var/www/%0.0"

    #
    # This should be changed to whatever you set DocumentRoot to.
    #
    <Directory "/var/www/%0.0">

        #
        # Possible values for the Options directive are "None", "All",
        # or any combination of:
        #   Indexes Includes FollowSymLinks SymLinksifOwnerMatch ExecCGI MultiViews
        #
        # Note that "MultiViews" must be named *explicitly* --- "Options All"
        # doesn't give it to you.
        #
        # The Options directive is both complicated and important.  Please see
        # http://httpd.apache.org/docs-2.0/mod/core.html#options
        # for more information.
        #
        Options Indexes FollowSymLinks

        #
        # AllowOverride controls what directives may be placed in .htaccess files.
        # It can be "All", "None", or any combination of the keywords:
        #   Options FileInfo AuthConfig Limit
        #
        AllowOverride None

        #
        # Controls who can get stuff from this server.
        #
        Order allow,deny
        Allow from all
    </Directory>

    <IfModule peruser.c>
        # this must match a Processor
        ServerEnvironment apache apache

        # these are optional - defaults to the values specified in httpd.conf
        MinSpareProcessors 4
        MaxProcessors 20
    </IfModule>

    <IfModule itk.c>
        # The userid and groupid this VirtualHost will run as
        AssignUserID apache apache

        # Optional: A separate MaxClients for the VirtualHost,
        # to limit the maximum number of processes
        MaxClientsVHost 50

        # Note that if you do not assign a user ID for your
        # VirtualHosts, none will be assigned by default,
        # ie. you'll run as root. Don't forget this!
    </IfModule>
</VirtualHost>
</IfDefine>

<IfModule mod_perl.c>
<Perl>
    $Apache::Server::StrictPerlSections = 1;

    my $hostname = 'domain.tld';
    foreach (glob('/var/www/users/*/')) {
        m#.*/([^/]+)/$#;

        my $insert = {
            ServerName  => qq("$1.$hostname"),
            ServerAdmin => qq("$1\@$hostname"),
            DocumentRoot    => qq("$&")
        };  

        push(@{$VirtualHost{'*:80'}}, $insert);

        if (Apache->module('mod_ssl.c') && Apache->define('SSL')) {
            $insert->SSLEngine = 'On';
            push(@{$VirtualHost{'*:443'}}, $insert);
        }   
    }   
</Perl>
</IfModule>