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https://gitlab.torproject.org/tpo/core/tor.git
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96b97fab02
svn:r1061
166 lines
7.4 KiB
Plaintext
166 lines
7.4 KiB
Plaintext
Changes in version 0.0.2pre20 - 2004-01-30
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o New features:
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- We now have a deb package, and it's in debian unstable. Go to
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it, apt-getters. :)
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- I've split the TotalBandwidth option into BandwidthRate (how many
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bytes per second you want to allow, long-term) and
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BandwidthBurst (how many bytes you will allow at once before the cap
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kicks in). This better token bucket approach lets you, say, set
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BandwidthRate to 10KB/s and BandwidthBurst to 10MB, allowing good
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performance while not exceeding your monthly bandwidth quota.
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- Push out a tls record's worth of data once you've got it, rather
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than waiting until you've read everything waiting to be read. This
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may improve performance by pipelining better. We'll see.
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- Add an AP_CONN_STATE_CONNECTING state, to allow streams to detach
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from failed circuits (if they haven't been connected yet) and attach
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to new ones.
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- Expire old streams that haven't managed to connect. Some day we'll
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have them reattach to new circuits instead.
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o Bugfixes:
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- Fix several memory leaks that were causing servers to become bloated
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after a while.
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- Fix a few very rare assert triggers. A few more remain.
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- Setuid to User _before_ complaining about running as root.
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Changes in version 0.0.2pre19 - 2004-01-07
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o Bugfixes:
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- Fix deadlock condition in dns farm. We were telling a child to die by
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closing the parent's file descriptor to him. But newer children were
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inheriting the open file descriptor from the parent, and since they
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weren't closing it, the socket never closed, so the child never read
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eof, so he never knew to exit. Similarly, dns workers were holding
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open other sockets, leading to all sorts of chaos.
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- New cleaner daemon() code for forking and backgrounding.
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- If you log to a file, it now prints an entry at the top of the
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logfile so you know it's working.
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- The onionskin challenge length was 30 bytes longer than necessary.
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- Started to patch up the spec so it's not quite so out of date.
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Changes in version 0.0.2pre18 - 2004-01-02
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o Bugfixes:
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- Fix endian issues with the 'integrity' field in the relay header.
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- Fix a potential bug where connections in state
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AP_CONN_STATE_CIRCUIT_WAIT might unexpectedly ask to write.
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Changes in version 0.0.2pre17 - 2003-12-30
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o Bugfixes:
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- Made --debuglogfile (or any second log file, actually) work.
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- Resolved an edge case in get_unique_circ_id_by_conn where a smart
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adversary could force us into an infinite loop.
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o Features:
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- Each onionskin handshake now includes a hash of the computed key,
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to prove the server's identity and help perfect forward secrecy.
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- Changed cell size from 256 to 512 bytes (working toward compatibility
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with MorphMix).
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- Changed cell length to 2 bytes, and moved it to the relay header.
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- Implemented end-to-end integrity checking for the payloads of
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relay cells.
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- Separated streamid from 'recognized' (otherwise circuits will get
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messed up when we try to have streams exit from the middle). We
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use the integrity-checking to confirm that a cell is addressed to
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this hop.
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- Randomize the initial circid and streamid values, so an adversary who
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breaks into a node can't learn how many circuits or streams have
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been made so far.
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Changes in version 0.0.2pre16 - 2003-12-14
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o Bugfixes:
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- Fixed a bug that made HUP trigger an assert
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- Fixed a bug where a circuit that immediately failed wasn't being
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counted as a failed circuit in counting retries.
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o Features:
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- Now we close the circuit when we get a truncated cell: otherwise we're
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open to an anonymity attack where a bad node in the path truncates
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the circuit and then we open streams at him.
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- Add port ranges to exit policies
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- Add a conservative default exit policy
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- Warn if you're running tor as root
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- on HUP, retry OR connections and close/rebind listeners
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- options.EntryNodes: try these nodes first when picking the first node
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- options.ExitNodes: if your best choices happen to include any of
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your preferred exit nodes, you choose among just those preferred
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exit nodes.
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- options.ExcludedNodes: nodes that are never picked in path building
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Changes in version 0.0.2pre15 - 2003-12-03
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o Robustness and bugfixes:
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- Sometimes clients would cache incorrect DNS resolves, which would
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really screw things up.
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- An OP that goes offline would slowly leak all its sockets and stop
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working.
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- A wide variety of bugfixes in exit node selection, exit policy
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handling, and processing pending streams when a new circuit is
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established.
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- Pick nodes for a path only from those the directory says are up
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- Choose randomly from all running dirservers, not always the first one
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- Increase allowed http header size for directory fetch.
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- Stop writing to stderr (if we're daemonized it will be closed).
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- Enable -g always, so cores will be more useful to me.
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- Switch "-lcrypto -lssl" to "-lssl -lcrypto" for broken distributions.
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o Documentation:
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- Wrote a man page. It lists commonly used options.
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o Configuration:
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- Change default loglevel to warn.
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- Make PidFile default to null rather than littering in your CWD.
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- OnionRouter config option is now obsolete. Instead it just checks
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ORPort>0.
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- Moved to a single unified torrc file for both clients and servers.
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Changes in version 0.0.2pre14 - 2003-11-29
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o Robustness and bugfixes:
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- Force the admin to make the DataDirectory himself
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- to get ownership/permissions right
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- so clients no longer make a DataDirectory and then never use it
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- fix bug where a client who was offline for 45 minutes would never
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pull down a directory again
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- fix (or at least hide really well) the dns assert bug that was
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causing server crashes
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- warnings and improved robustness wrt clockskew for certs
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- use the native daemon(3) to daemonize, when available
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- exit if bind() fails
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- exit if neither socksport nor orport is defined
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- include our own tor_timegm (Win32 doesn't have its own)
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- bugfix for win32 with lots of connections
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- fix minor bias in PRNG
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- make dirserver more robust to corrupt cached directory
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o Documentation:
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- Wrote the design document (woo)
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o Circuit building and exit policies:
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- Circuits no longer try to use nodes that the directory has told them
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are down.
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- Exit policies now support bitmasks (18.0.0.0/255.0.0.0) and
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bitcounts (18.0.0.0/8).
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- Make AP connections standby for a circuit if no suitable circuit
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exists, rather than failing
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- Circuits choose exit node based on addr/port, exit policies, and
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which AP connections are standing by
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- Bump min pathlen from 2 to 3
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- Relay end cells have a payload to describe why the stream ended.
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- If the stream failed because of exit policy, try again with a new
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circuit.
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- Clients have a dns cache to remember resolved addresses.
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- Notice more quickly when we have no working circuits
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o Configuration:
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- APPort is now called SocksPort
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- SocksBindAddress, ORBindAddress, DirBindAddress let you configure
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where to bind
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- RecommendedVersions is now a config variable rather than
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hardcoded (for dirservers)
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- Reloads config on HUP
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- Usage info on -h or --help
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- If you set User and Group config vars, it'll setu/gid to them.
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