python based ftp server

third_party/pyftpdlib/HISTORY

+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.