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From "Alex Karasulu" <akaras...@apache.org>
Subject Re: [ApacheDS] Internal vs. external lookups
Date Thu, 31 May 2007 04:22:15 GMT
Enrique, I'm guessing you use "internal" for the value of the
Context.SECURITY_AUTHENTICATION [0] JNDI parameter.  Is
this a correct presumption?

This parameter is hence used to set the authentication level right?  I guess

this is attractive to do since it marks the Context for the life of the
Context
and you can differentiate it from LDAP sessions which authenticate on
InitialContexts using the other authentication levels.  In this case your
tactic would work but it could be implemented a little better.  There is no
reason why we should have to do this with the authentication level which
is really orthogonal to your aim of identifying "who" is attempting the
authentication.

The SECURITY_PRINCIPAL environment parameter already does this so
why not just use it.  All we need to do is create some standard principals
for these services that comes with ApacheDS out of the box, packaged into
the DIT.  We can easily promote these principals to the point of having
administrator like powers.  I added some standard groups to ADS to allow
this.  This by far is the best mechanism I can see.  This property is
specifically
there for answering your question.  Also you can extract it from the
ServerContext.getPrincipal() method which contains the normalized DN of the
binding principal.

Alex

On 5/30/07, Enrique Rodriguez <enriquer9@gmail.com> wrote:
>
> On 5/30/07, Emmanuel Lecharny <elecharny@gmail.com> wrote:
> > Using a special parameter and adding to to JNDI env seems a good way
> > to do it. If this flag is set, then it's an internal call (no need to
> > expose such a parameter to external users, IMHO)
>
> My use cases don't need "internal" as a defined authenticationLevel
> for ACI, but I wonder if there isn't some value to formally
> distinguishing internal binds for purposes of access control?  Nothing
> in X.500 discusses internal vs external binds?


Alex

-------
[0] -
http://java.sun.com/j2se/1.4.2/docs/api/javax/naming/Context.html#SECURITY_AUTHENTICATION

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