Asynchronous notification to enable user space code to validate SASL PLAIN request received.
Function using this handler are:
|connection ||The connection where the SASL notification was received. |
|auth_id ||User identifier |
|authorization_id ||User identifier which is acting on behalf of. |
|password ||Current user password |
|user_data ||The user defined pointer to be passed to future SASL callbacks.|
- axl_true to accept incoming SASL request or axl_false to deny it.