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Re: packaging web applications, SELinux

On 06/16/2009 11:58 AM, Chuck Anderson wrote:
On Tue, Jun 16, 2009 at 04:46:00PM +0100, Paul Howarth wrote:
On 16/06/09 16:34, Chuck Anderson wrote:
Is there any pointer to best practices for packing a web application
that provides static content, cgi scripts, integrates with Apache
configuration, and works with SELinux?  How should I package the
SELinux policy needed to make this work?

The Packaging Guidelines mention Web Applications, but not how to make
them work with SELinux:


Do you already have the policy for your webapp written?

If so, you can proceed according to
but better still would be to post your policy on fedora-selinux-list for
comment and get it merged into the main Fedora policy and upstream.

No policy yet.  I think I just need file_contexts to go along with the
standard ones:

/srv/([^/]*/)?www(/.*)?	system_u:object_r:httpd_sys_content_t:s0
/var/www(/.*)?	system_u:object_r:httpd_sys_content_t:s0
/var/www(/.*)?/logs(/.*)?	system_u:object_r:httpd_log_t:s0
/var/www/[^/]*/cgi-bin(/.*)?	system_u:object_r:httpd_sys_script_exec_t:s0
/var/www/perl(/.*)?	system_u:object_r:httpd_sys_script_exec_t:s0
/var/www/icons(/.*)?	system_u:object_r:httpd_sys_content_t:s0
/var/www/html/[^/]*/cgi-bin(/.*)?	system_u:object_r:httpd_sys_script_exec_t:s0
/var/www/cgi-bin(/.*)?	system_u:object_r:httpd_sys_script_exec_t:s0

I found that Debian has pretty well-defined (draft) guidelines for web


that standardizes on /usr/share/PACKAGE/www for static content and
/usr/lib/cgi-bin/PACKAGE for arch-dependent dynamically executed

If we could come up with a similiar standard, then we could add
standard SELinux file_contexts to deal with it, such as:

/usr/share/[^/]*/www(/.*)?	system_u:object_r:httpd_sys_content_t:s0
/usr/share/[^/]*/cgi-bin(/.*)?	system_u:object_r:httpd_sys_script_exec_t:s0
/usr//lib(64)?/[^/]*/cgi-bin(/.*)?	system_u:object_r:httpd_sys_script_exec_t:s0

That sounds good to me.

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