Tor 0.2.1.8-alpha is out

[Roger Dingledine]

Tor 0.2.1.8-alpha fixes some crash bugs in earlier alpha releases,
builds better on unusual platforms like Solaris and old OS X, and fixes
a variety of other issues.

https://www.torproject.org/download.html.en

Changes in version 0.2.1.8-alpha - 2008-12-08
  o Major features:
    - New DirPortFrontPage option that takes an html file and publishes
      it as "/" on the DirPort. Now relay operators can provide a
      disclaimer without needing to set up a separate webserver. There's
      a sample disclaimer in contrib/tor-exit-notice.html.

  o Security fixes:
    - When the client is choosing entry guards, now it selects at most
      one guard from a given relay family. Otherwise we could end up with
      all of our entry points into the network run by the same operator.
      Suggested by Camilo Viecco. Fix on 0.1.1.11-alpha.

  o Major bugfixes:
    - Fix a DOS opportunity during the voting signature collection process
      at directory authorities. Spotted by rovv. Bugfix on 0.2.0.x.
    - Fix a possible segfault when establishing an exit connection. Bugfix
      on 0.2.1.5-alpha.

  o Minor bugfixes:
    - Get file locking working on win32. Bugfix on 0.2.1.6-alpha. Fixes
      bug 859.
    - Made Tor a little less aggressive about deleting expired
      certificates. Partial fix for bug 854.
    - Stop doing unaligned memory access that generated bus errors on
      sparc64. Bugfix on 0.2.0.10-alpha. Fix for bug 862.
    - Fix a crash bug when changing EntryNodes from the controller. Bugfix
      on 0.2.1.6-alpha. Fix for bug 867. Patched by Sebastian.
    - Make USR2 log-level switch take effect immediately. Bugfix on
      0.1.2.8-beta.
    - If one win32 nameserver fails to get added, continue adding the
      rest, and don't automatically fail.
    - Use fcntl() for locking when flock() is not available. Should fix
      compilation on Solaris. Should fix Bug 873. Bugfix on 0.2.1.6-alpha.
    - Do not mark smartlist_bsearch_idx() function as ATTR_PURE. This bug
      could make gcc generate non-functional binary search code. Bugfix
      on 0.2.0.10-alpha.
    - Build correctly on platforms without socklen_t.
    - Avoid potential crash on internal error during signature collection.
      Fixes bug 864. Patch from rovv.
    - Do not use C's stdio library for writing to log files. This will
      improve logging performance by a minute amount, and will stop
      leaking fds when our disk is full. Fixes bug 861.
    - Stop erroneous use of O_APPEND in cases where we did not in fact
      want to re-seek to the end of a file before every last write().
    - Correct handling of possible malformed authority signing key
      certificates with internal signature types. Fixes bug 880. Bugfix
      on 0.2.0.3-alpha.
    - Fix a hard-to-trigger resource leak when logging credential status.
      CID 349.

  o Minor features:
    - Directory mirrors no longer fetch the v1 directory or
      running-routers files. They are obsolete, and nobody asks for them
      anymore. This is the first step to making v1 authorities obsolete.

  o Minor features (controller):
    - Return circuit purposes in response to GETINFO circuit-status. Fixes
      bug 858.

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