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Tor is out

Tor and are the next release candidates for the
0.2.0 series. They add dizum (run by Alex de Joode) as the new sixth
v3 directory authority, make relays with dynamic IP addresses and no
DirPort notice more quickly when their IP address changes, fix a few
rare crashes and memory leaks, and fix a few other miscellaneous bugs.

This is a release candidate! That means that we don't know of any
remaining show-stopping bugs, and this will become the new stable if
there are no problems. Please test it, and tell us about any problems
that you find.


Changes in version - 2008-04-23
  o Major bugfixes:
    - Remember to initialize threading before initializing logging.
      Otherwise, many BSD-family implementations will crash hard on
      startup. Fixes bug 671. Bugfix on

  o Minor bugfixes:
    - Authorities correctly free policies on bad servers on
      exit. Fixes bug 672. Bugfix on 0.2.0.x.

Changes in version - 2008-04-22
  o New directory authorities:
    - Take lefkada out of the list of v3 directory authorities, since
      it has been down for months.
    - Set up dizum (run by Alex de Joode) as the new sixth v3 directory

  o Major bugfixes:
    - Detect address changes more quickly on non-directory mirror
      relays. Bugfix on; fixes bug 652.

  o Minor features (security):
    - Reject requests for reverse-dns lookup of names that are in
      a private address space. Patch from lodger.
    - Non-exit relays no longer allow DNS requests. Fixes bug 619. Patch
      from lodger.

  o Minor bugfixes (crashes):
    - Avoid a rare assert that can trigger when Tor doesn't have much
      directory information yet and it tries to fetch a v2 hidden
      service descriptor. Fixes bug 651, reported by nwf.
    - Initialize log mutex before initializing dmalloc. Otherwise,
      running with dmalloc would crash. Bugfix on 0.2.0.x-alpha.
    - Use recursive pthread mutexes in order to avoid deadlock when
      logging debug-level messages to a controller. Bug spotted by nwf,
      bugfix on

  o Minor bugfixes (resource management):
    - Keep address policies from leaking memory: start their refcount
      at 1, not 2. Bugfix on
    - Free authority certificates on exit, so they don't look like memory
      leaks. Bugfix on
    - Free static hashtables for policy maps and for TLS connections on
      shutdown, so they don't look like memory leaks. Bugfix on 0.2.0.x.
    - Avoid allocating extra space when computing consensuses on 64-bit
      platforms. Bug spotted by aakova.

  o Minor bugfixes (misc):
    - Do not read the configuration file when we've only been told to
      generate a password hash. Fixes bug 643. Bugfix on 0.0.9pre5. Fix
      based on patch from Sebastian Hahn.
    - Exit relays that are used as a client can now reach themselves
      using the .exit notation, rather than just launching an infinite
      pile of circuits. Fixes bug 641. Reported by Sebastian Hahn.
    - When attempting to open a logfile fails, tell us why.
    - Fix a dumb bug that was preventing us from knowing that we should
      preemptively build circuits to handle expected directory requests.
      Fixes bug 660. Bugfix on 0.1.2.x.
    - Warn less verbosely about clock skew from netinfo cells from
      untrusted sources. Fixes bug 663.
    - Make controller stream events for DNS requests more consistent,
      by adding "new stream" events for DNS requests, and removing
      spurious "stream closed" events" for cached reverse resolves.
      Patch from mwenge. Fixes bug 646.
    - Correctly notify one-hop connections when a circuit build has
      failed. Possible fix for bug 669. Found by lodger.

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