Authentication Issue with Authentication_pam Plugin using Centrify

(Doc ID 1562413.1)

Last updated on MARCH 08, 2017

Applies to:

MySQL Server - Version 5.5 and later
Information in this document applies to any platform.
"Centrify provides Unified Identity Services across data center, cloud and mobile — resulting in one single login for users and one unified identity infrastructure for IT. Centrify's software and cloud services let organizations securely leverage their existing identity infrastructure to centrally manage authentication, access control, privilege management, policy enforcement and compliance across on-premise and cloud resources."

Symptoms

On : 5.6 version, PAM Authentication Plugin

When attempting to authenticate via the authentication_pam plugin using the Centrify framework,
the following error occurs.

ERROR
-----------------------
PAM error: Authentication failure


STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1. Configure /etc/pam.d/mysql to use pam_centrifydc.so
2. Create MySQL to use authentication_pam plugin
3. Attempt to authenticate via the new account

BUSINESS IMPACT
-----------------------
The issue has the following business impact:
Due to this issue, users cannot be authenticated externally and adds to managing accounts separately.

Cause

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