+}
+
+# XXX deprecated, should be removed eventually
+sub set_banned_users (@) {
+ my %banned=map { $_ => 1 } @_;
+ my $userinfo=userinfo_retrieve();
+ foreach my $user (keys %{$userinfo}) {
+ $userinfo->{$user}->{banned} = $banned{$user};
+ }
+ return userinfo_store($userinfo);
+}