[security-dev] any way to store global information?

Anil Saldhana Anil.Saldhana at redhat.com
Wed Sep 12 15:45:46 EDT 2012

On 09/12/2012 02:42 PM, Bill Burke wrote:
> On 9/12/2012 2:21 PM, Anil Saldhana wrote:
>> The JDK Jaas stack is an expensive operation that is performed each time
>> you go to the LoginContext.login() process. The login modules are
>> created via class.forname and then set a shared map etc.
>> So for each stack invocation, you can use the shared state/map/options
>> for caching information and pass around the modules.  But you cannot use
>> it across lets say 10 JAAS login attempts. For that, you will have to
>> look at some caching mechanism at the security subsystem or container level.
> #1 My login module requires shutting off the cache as it is obtaining
> role mappigs from the HTTP request.
> #2.  I Don't understand what you're saying about the options map.  It
> gets destroyed and reinitialized after 10 login attempts?  WTF?  What I
> want to store in the options map is pre-initialized connections to a
> remote endpoint so I don't have to do this setup on every login request.
The shared state and options in login modules get created and destroyed 
after every JAAS invocation.  I just meant if you want to share stuff 
across jaas logins, then you have to look at an external cache (nothing 
related to jaas stuff). Forget the 10.

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