[RFR] 8160768: Add capability to custom resolve host/domain names within the default JDNI LDAP provider

[Rob McKenna]

Ack, apologies, thats what I get for rushing. (which I suppose I'm doing
again) That code was actually supposed to be in the getDnsUrls method.
Updated in place:

http://cr.openjdk.java.net/~robm/8160768/webrev.02/

I'll add a couple of tests for the SecurityManager along with some input
checking tests too.

    -Rob

On 25/01/17 05:50, Daniel Fuchs wrote:
> Hi Rob,
> 
> I believe you should move the security check to before
> the class is actually loaded, before the call to
>  171             List<String> urls = getDnsUrls(url, env);
> 
> best regards,
> 
> -- daniel
> 
> On 25/01/17 17:44, Rob McKenna wrote:
> >I neglected to include a security check so I've cribbed the one from
> >OBJECT_FACTORIES (NamingManager.setObjectFactoryBuilder()) - see:
> >
> >http://cr.openjdk.java.net/~robm/8160768/webrev.02/
> >
> >Note, this wraps the SecurityException in a NamingException. Presumably
> >its better to throw something than simply leave the default value in
> >place, but feedback appreciated!
> >
> >    -Rob
> >
> >On 25/01/17 04:31, Rob McKenna wrote:
> >>Hi folks,
> >>
> >>I'm looking for feedback on this suggested fix for the following bug:
> >>
> >>https://bugs.openjdk.java.net/browse/JDK-816076
> >>http://cr.openjdk.java.net/~robm/8160768/webrev.01/
> >>
> >>This is something that has come up a few times. Basically in certain
> >>environments (e.g. MS Active Directory) there is a dependence on
> >>DNS records to provide a pointer to the actual ldap server to be used
> >>for a given LdapCtx.PROVIDER_URL where the url itself simply points to the
> >>domain name.
> >>
> >>This fix add a new Ldap context property which allows a user to specify a
> >>class (implementing BiFunction) which can perform any necessary extra steps
> >>to derive the ldap servers hostname/port from the PROVIDER_URL.
> >>
> >>    -Rob
> >>
>