Issue tracker at http://code.google.com/p/pyftpdlib/issues/list History ======= Version: 0.5.0 - Date: 2008-09-20 --------------------------------- Major enhancements: * Issue #72: pyftpdlib now provides configurable idle timeouts to disconnect client after a long time of inactivity. * Issue #73: impose a delay before replying for invalid credentials to minimize the risk of brute force password guessing. * Issue #74: it is now possible to define permission exceptions for certain directories (e.g. creating a user which does not have write permission except for one sub-directory in FTP root). * Improved bandwidth throttling capabilities of demo/throttled_ftpd.py script by having used the new CallLater class which drastically reduces the number of calls to time.time(). Bugfixes: * Issue #62: some unit tests were failing on dual core machines. * Issue #71: socket handles are leaked when a data transfer is in progress and user QUITs. * Issue #75: orphaned file was left behind in case STOU failed for insufficient user permissions. * Issue #77: incorrect OOB data management on FreeBSD. Version: 0.4.0 - Date: 2008-05-16 --------------------------------- Major enhancements: * Issue #65: assume the id of real users when using system dependent authorizers. * Issue #67: added IPv6 support. Bugfixes: * Issue #64: issue when authenticating as anonymous user using user-defined authorizers. * Issue #66: WinNTAuthorizer does not determine the real user home directory. * Issue #69: DummyAuthorizer incorrectly uses class attribute instead of instance attribute for user_table dictionary. * Issue #70: wrong NOOP response code. API changes since 0.3.0: * DummyAuthorizer class changes: * impersonate_user() and terminate_impersonation() methods have been added. Version: 0.3.0 - Date: 2008-01-17 --------------------------------- Major enhancements: * Issue #48: real permissions, owner, and group for files on UNIX platforms are now provided when processing LIST. * Issue #51: added the new demo/throttled_ftpd.py script. * Issue #59: iterators are now used for calculating requests requiring long time to complete (LIST and MLSD commands). * Issue #61: extended the set of assignable user permissions. RFC-related enhancements: * Issue #42: implemented FEAT command defined in RFC-2389. * Issue #52: implemented MLST and MLSD commands defined in RFC-3659. * Issue #58: implemented OPTS command define in RFC-2389. Bugfixes: * Issue #41: error occurred on quit if user was not yet authenticated. * Issue #43: hidden the server identifier when returning STAT response. * Issue #44: a wrong response code was given on PORT if the data connection attempt failed. * Issue #45: a wrong response code was given on HELP if argument was incorrect. * Issue #46: a wrong response code was given on PASV if remote peer had a foreign internet address. * Issue #47: can't use FTPServer.max_cons option with Python 2.3. * Issue #48: problem when LISTing "broken" symbolic links. * Issue #49: data channel did not respect the outgoing data buffer. * Issue #53: received strings having trailing white spaces was erroneously stripped. * Issue #54: LIST/NLST/STAT outputs are now sorted by file name. * Issue #55: path traversal vulnerability in case of symlinks. * Issue #56: can't rename broken symbolic links. * Issue #57: wrong LIST/NLST behavior when processing symbolic links. * Issue #60: error occurred in case of bad formatted PORT command requests. API changes since 0.2.0: * New IteratorProducer and BufferedIteratorProducer classes have been added. * DummyAuthorizer class changes: * The permissions management has been changed and the set of available permissions have been extended (see Issue #61). add_user() method now accepts "eladfm" permissions beyond the old "r" and "w". * r_perm() and w_perm() methods have been removed. * New has_perm() and get_perms() methods have been added. * AbstractedFS class changes: * normalize() method has been renamed in ftpnorm(). * translate() method has been renamed in ftp2fs(). * New methods: fs2ftp(), stat(), lstat(), islink(), realpath(), lexists(), validpath(). * get_list_dir(), get_stat_dir() and format_list() methods now return an iterator object instead of a string. * format_list() method has a new "ignore_err" keyword argument. * global debug() function has been removed. Version: 0.2.0 - Date: 2007-09-17 ---------------------------------- Major enhancements: * Issue #5: provided a way to configure / limit the number of maximum acceptable connections. * Issue #5: provided a way to configure / limit the maximum number of clients which may be connected from the same IP address. * Issue #36: added support for FXP site-to-site transfer to allow transfers between FTP servers. * Issue #39: added NAT/Firewall support with PASV (passive) mode connections for FTP servers behind NAT. * Issue #40: provided new FTPHandler.passive_ports attribute to control what ports to use for passive data-transfers. RFC-related enhancements: * Issue #6: accept and process TYPE AN and TYPE L8 commands. * Issue #7: a new USER command can now be entered at any point to begin the login sequence again. * Issue #8: be compliant with STOU output format defined in RFC 1123. * Issue #10: HELP command arguments are now accepted. * Issue #12: 554 error response is now returned on RETR/STOR if REST fails. * Issue #15: STAT used with an argument return directory LISTing over the command channel. Security enhancements: * Issue #3: stop buffering when extremely long lines are received. * Issue #11: reject data connection when a privileged port is specified on PORT command. * Issue #25: limit the number of attempts to find a unique filename for STOU command. Usability enhancements: * Provided an overridable attribute to easily set number of maximum login attempts before disconnecting. * Docstrings are now provided for almost every method and function. * Issue #30: command help strings quality improved by adding command syntaxes. * Issue #31: a compact list of recognized commands is now provided on HELP. * Issue #32: we now provide a detailed error message on connection and file system errors. * Issue #38: anonymous user write access can now be optionally granted. Test suite enhancements: * File creation/removal moved into setUp and tearDown methods to avoid leaving behind orphaned temporary files in the event of a test suite failure. * Issue #7: added tests for a new USER provided while already authenticated. * Issue #7: added tests for REIN while a transfer is in progress. * Issue #28: added tests for ABOR command. Bugfixes: * Issue #4: socket's "reuse_address" feature was used after the socket's binding. * Issue #9: corrected path traversal vulnerability affecting file-system path translations. * Issue #14: a wrong response code was returned on CDUP. * Issue #17: reject SIZE if pathname is a directory. * Issue #18: a wrong ABOR response code type was returned. * Issue #19: watch for STOU preceded by REST which makes no sense. * Issue #20: "attempted login" counter wasn't incremented on wrong username. * Issue #21: STAT wasn't permitted if user wasn't authenticated yet. * Issue #22: corrected memory leaks occurring on KeyboardInterrupt/SIGTERM. * Issue #23: PASS wasn't rejected when user was already authenticated. * Issue #24: can't use os.strerror() on pythonCE. * Issue #24: problem occurred on Windows when using '\\' as user's home directory. * Issue #26: used select() by default instead of poll() because of an asyncore module's defect. * Issue #33: some FTPHandler class attributes wasn't resetted on REIN. * Issue #35: watch for APPE preceded by REST which makes no sense. Version: 0.1.1 - Date: 2007-03-27 ---------------------------------- * Port selection on PASV command has been randomized to prevent a remote user to know how many data connections are in progress on the server. * Fixed bug in demo/unix_ftpd.py script (reported by Roger Erens). * Little modification to add_anonymous method of dummy_authorizer class. * ftp_server.serve_forever automatically re-use address if current system is unix. * License changed into a MIT style one. Version: 0.1.0 - Date: 2007-02-26 ---------------------------------- * First proof of concept beta release.