QNetworkAccessManager authenticationRequired

[like-nix]

Help me write program work with protocol FTP and authentication by login password using QnetworkAccessManager.
I implement connect to server and get directory listing, but i dont undestend how implement authentication. I read article http://doc.qt.nokia.com/qq/32/qq32-webkit-protocols.html.

My source in attach https://rapidshare.com/files/457472584/zip.zip.

Thank you.

Qt 4.7
Windows Xp
Linux