my $filter = $self->_get_filter($login);
my $mesg = $ldap->search('base' => $cfg->{base_dn}, 'scope' => 'sub', 'filter' => $filter);
my $filter = $self->_get_filter($login);
my $mesg = $ldap->search('base' => $cfg->{base_dn}, 'scope' => 'sub', 'filter' => $filter);