How can I relax PHP's open_basedir restriction?


Question

open_basedir limits the files that can be opened by PHP within a directory-tree.

I am storing several class libraries and configuration files outside of my web root directory. This way the web server does not make them publicly accessible. However when I try to include them from my application I get an open_basedir restriction error like this:

Warning: realpath() [function.realpath]: open_basedir restriction in effect. File(/var/www/vhosts/domain.tld/zend/application) is not within the allowed path(s): (/var/www/vhosts/domain.tld/httpdocs:/tmp) in /var/www/vhosts/domain.tld/httpdocs/index.php on line 5

My web root is here:

/var/www/vhosts/domain.tld/httpdocs

My libraries and configuration directory are here:

/var/www/vhosts/domain.tld/zend

What would be the best workaround to relax the open_basedir restriction so that the the directory tree under the domain folder becomes available to my application? I have a number of domains that I want to do this with, and I'm also obviously wary of creating security vulnerabilities.

Note: I am using CentOS, Apache, Plesk, and I have root ssh access to the server. And though this doesn't apply to Zend Framework directly, I am using it in this instance. So here is the inclusion from Zend's bootstrap:

define('APPLICATION_PATH', realpath(dirname(__FILE__) . '/../zend/application/'));
set_include_path(APPLICATION_PATH . '/../zend/library' . PATH_SEPARATOR . get_include_path());
1
21
10/22/2008 12:57:53 AM

Accepted Answer

You can also do this easily on a per-directory basis using the Apache (assuming this is your web server) configuration file (e.g. httpd.conf)

<Directory /var/www/vhosts/domain.tld/httpdocs>
php_admin_value open_basedir "/var/www/vhosts/domain.tld/httpdocs:/var/www/vhosts/domain.tld/zend"
</Directory>

you can also completely remove the restriction with

<Directory /var/www/vhosts/domain.tld/httpdocs>
php_admin_value open_basedir none
</Directory>
21
10/21/2008 10:47:03 PM

add the paths you need to access to (/var/www/vhosts/domain.tld/zend) to your open_basedir directive (you can specify several paths using the path separator ':' or ';' in windows)

note that the values in the open_basedir are prefixes, which means that anything under the /var/www/vhosts/domain.tld/zend will be accessible


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