no warnings;
push @{$preconf -> {_} -> {pre_auth}}, sub {
        my $c = $_COOKIES {sid} or return;
        $_REQUEST {sid} ||= $c -> value;
};
push @{$preconf -> {_} -> {post_auth}}, sub {
        $_REQUEST {sid} or return;
        set_cookie_for_root (sid =>  $_REQUEST {sid} || 0);
};
1;