Script to reproduce failed login bug in pyftpdlib 1.0 using the multiprocess ftp server

client.out

Connected to 172.16.137.140.
220 pyftpdlib 1.0.0 ready.
Name (172.16.137.140:daz): bad
331 Username ok, send password.
Password: 

421 Service not available, remote server timed out. Connection closed.
ftp: Login failed
ftp>

server.log

[I 13-02-21 03:18:01] >>> starting FTP server on 0.0.0.0:2121 <<<
[I 13-02-21 03:18:01] poller: <class 'pyftpdlib.ioloop.Epoll'>
[I 13-02-21 03:18:01] masquerade (NAT) address: None
[I 13-02-21 03:18:01] passive ports: None
[I 13-02-21 03:18:01] use sendfile(2): False
[I 13-02-21 03:18:01] dispatcher: <class pyftpdlib.servers.MultiprocessFTPServer at 0x2a65598>
[I 13-02-21 03:18:03] 172.16.137.1:62979-[] FTP session opened (connect)
# Note the long gap here
[I 13-02-21 03:23:03] 172.16.137.1:62979-[] Control connection timed out.
[I 13-02-21 03:23:03] 172.16.137.1:62979-[] FTP session closed (disconnect).

server.py

from pyftpdlib.authorizers import DummyAuthorizer
from pyftpdlib.handlers import FTPHandler
from pyftpdlib.servers import MultiprocessFTPServer

a = DummyAuthorizer()
a.add_user('test', 'test', '/tmp')

handler = FTPHandler
handler.authorizer = a
server = MultiprocessFTPServer(("0.0.0.0", 2121), handler)
server.serve_forever()