verify_unix_user: New function for checking passwd in `/etc/passwd'.
verify_unix_user: New function for checking passwd in `/etc/passwd'.


git-svn-id: 193148810cf65385f3a195dbc9a8b504846da3a2@559 ec53bebd-3082-4978-b11e-865c3cabbd6b

madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal