Rename list_subid_ranges to getsubids to provide a system binary to
check the sub*ids of a user. The intention is to provide this binary
with any distribution that includes the subid feature, so that system
administrators can check the subid ranges of a given user.
Finally, add a man page to explain the behaviour of getsubids.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1980780
Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>
The content of the man pages however is dependent on compile flags. So the
pre-built ones might not fit your version of shadow. To build them yourself use
--enable-man. Furthermore the following build requirements will be needed:
3b6ccf642c