dns: Update TODO list

A lot of the todo items have been resolved, avoid confusing people.

Signed-off-by: Kai Blin <kai@samba.org>

Reviewed-by: Andrew Bartlett <abartlet@samba.org>

Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Mon Jul 29 09:12:17 CEST 2013 on sn-devel-104
s3:winbind: fix gid counting and error handling in the getgroups implementation

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

Signed-off-by: Michael Adam <obnox@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
s3:winbind: fix the getgroups implementation to include the user sid's GID in case of ID_TYPE_BOTH

This is important for acl checks on the unix level where only a group ace
has been added to the ACL for the user sid, e.g. when accessing Files with
nfs or local unix processes.

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
s3:winbind: change getgroups to only do one sids2xids call instead of many

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

Signed-off-by: Michael Adam <obnox@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
s3:winbind: add a warning DEBUG message when skipping a sid from the mapped GID list

This presents a potential security problem when ACLs contain DENY ACEs.

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

Signed-off-by: Michael Adam <obnox@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>

Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Mon Jul 29 14:42:27 CEST 2013 on sn-devel-104