Hi, I've been trying to Kerberize our Apache and PostgreSQL servers for our company's web applications.
Goal: To connect from a PHP web app to a PostgreSQL database using the users credentials, so all authorization is managed via privileges within the database.
Our IT dept has recently installed Windows 2003 Server to provide authentication & directories via Kerberos and LDAP.
I've managed to configure Apache (2.0.49) to authenticate users using mod_auth_kerb (5.0-rc6), and also PostgreSQL (7.4.3) to use Kerberos. (Linux hosts use MIT KerberosV5 1.3.3 client libs, KDC is Windows 2003)
mod_auth_kerb is configured with:
KrbSaveCredentials on
So in PHP (4.3.8) we end up with the variables:
$_SERVER['REMOTE_USER'] (eg: '[EMAIL PROTECTED]') $_SERVER['KRB5CCNAME'] (eg: 'FILE:/tmp/krb5cc_apache_tVFJCd')
Even HTTP Negotiate works with Firefox/Linux (but not IE/XP yet!) :)
But this is where I get stuck. How do I use the supplied credentials file to connect to PostgreSQL?
In the PostgreSQL docs it says:
(http://www.postgresql.org/docs/7.4/interactive/auth-methods.html#KERBEROS-AUTH)
> If you use mod_auth_kerb from http://modauthkerb.sf.net and mod_perl > on your Apache web server, you can use AuthType > KerberosV5SaveCredentials with a mod_perl script. This gives secure > database access over the web, no extra passwords required.
I'm assuming this is out of date, or has changed with mod_auth_kerb 5.0, and that the KrbSaveCredentials directive does this job instead.
I'VE DONE IT! THE HOLY GRAIL OF WEB/DB APPS! :)
All it takes it this line your PHP script:
putenv("KRB5CCNAME={$_SERVER['KRB5CCNAME']}");Then pg_connect works :)
-- Mark Gibson <gibsonm |AT| cromwell |DOT| co |DOT| uk> Web Developer & Database Admin Cromwell Tools Ltd. Leicester, England.
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