[jcifs] Role based NTLM

[Eric Glass]

> 
> Look at SmbFile.doNetEnum. It handles ERROR_MORE_DATA for multiple PDUs
> properly. I think the technique should also be applicible to jcifs-ext.
> 

It uses NetServerEnum3 calls to get the follow-up data though; I don't
think there is an equivalent for the NetUserGetGroups RAP call.  In
RPC, this appears to map to SamrGetGroupsForUser, followed by
SamrLookupIdsInDomain (to resolve the group RIDs).


Eric