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@@ -1,3 +1,119 @@
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+Changes in version 0.3.2.5-alpha - 2017-11-22
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+ Tor 0.3.2.5-alpha is the fifth alpha release in the 0.3.2.x series. It
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+ fixes several stability and reliability bugs, including a fix for
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+ intermittent bootstrapping failures that some people have been seeing
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+ since the 0.3.0.x series.
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+
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+ Please test this alpha out -- many of these fixes will soon be
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+ backported to stable Tor versions if no additional bugs are found
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+ in them.
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+
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+ o Major bugfixes (bootstrapping):
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+ - Fetch descriptors aggressively whenever we lack enough to build
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+ circuits, regardless of how many descriptors we are missing.
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+ Previously, we would delay launching the fetch when we had fewer
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+ than 15 missing descriptors, even if some of those descriptors
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+ were blocking circuits from building. Fixes bug 23985; bugfix on
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+ 0.1.1.11-alpha. The effects of this bug became worse in
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+ 0.3.0.3-alpha, when we began treating missing descriptors from our
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+ primary guards as a reason to delay circuits.
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+ - Don't try fetching microdescriptors from relays that have failed
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+ to deliver them in the past. Fixes bug 23817; bugfix
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+ on 0.3.0.1-alpha.
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+
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+ o Minor features (directory authority):
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+ - Make the "Exit" flag assignment only depend on whether the exit
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+ policy allows connections to ports 80 and 443. Previously relays
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+ would get the Exit flag if they allowed connections to one of
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+ these ports and also port 6667. Resolves ticket 23637.
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+
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+ o Minor features (geoip):
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+ - Update geoip and geoip6 to the November 6 2017 Maxmind GeoLite2
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+ Country database.
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+
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+ o Minor features (linux seccomp2 sandbox):
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+ - Update the sandbox rules so that they should now work correctly
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+ with Glibc 2.26. Closes ticket 24315.
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+
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+ o Minor features (logging):
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+ - Downgrade a pair of log messages that could occur when an exit's
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+ resolver gave us an unusual (but not forbidden) response. Closes
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+ ticket 24097.
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+ - Improve the message we log when re-enabling circuit build timeouts
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+ after having received a consensus. Closes ticket 20963.
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+
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+ o Minor bugfixes (compilation):
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+ - Fix a memory leak warning in one of the libevent-related
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+ configuration tests that could occur when manually specifying
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+ -fsanitize=address. Fixes bug 24279; bugfix on 0.3.0.2-alpha.
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+ Found and patched by Alex Xu.
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+ - When detecting OpenSSL on Windows from our configure script, make
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+ sure to try linking with the ws2_32 library. Fixes bug 23783;
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+ bugfix on 0.3.2.2-alpha.
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+
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+ o Minor bugfixes (control port, linux seccomp2 sandbox):
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+ - Avoid a crash when attempting to use the seccomp2 sandbox together
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+ with the OwningControllerProcess feature. Fixes bug 24198; bugfix
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+ on 0.2.5.1-alpha.
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+
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+ o Minor bugfixes (control port, onion services):
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+ - Report "FAILED" instead of "UPLOAD_FAILED" "FAILED" for the
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+ HS_DESC event when a service is not able to upload a descriptor.
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+ Fixes bug 24230; bugfix on 0.2.7.1-alpha.
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+
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+ o Minor bugfixes (directory cache):
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+ - Recover better from empty or corrupt files in the consensus cache
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+ directory. Fixes bug 24099; bugfix on 0.3.1.1-alpha.
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+ - When a consensus diff calculation is only partially successful,
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+ only record the successful parts as having succeeded. Partial
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+ success can happen if (for example) one compression method fails
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+ but the others succeed. Previously we misrecorded all the
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+ calculations as having succeeded, which would later cause a
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+ nonfatal assertion failure. Fixes bug 24086; bugfix
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+ on 0.3.1.1-alpha.
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+
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+ o Minor bugfixes (logging):
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+ - Only log once if we notice that KIST support is gone. Fixes bug
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+ 24158; bugfix on 0.3.2.1-alpha.
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+ - Suppress a log notice when relay descriptors arrive. We already
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+ have a bootstrap progress for this so no need to log notice
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+ everytime tor receives relay descriptors. Microdescriptors behave
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+ the same. Fixes bug 23861; bugfix on 0.2.8.2-alpha.
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+
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+ o Minor bugfixes (network layer):
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+ - When closing a connection via close_connection_immediately(), we
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+ mark it as "not blocked on bandwidth", to prevent later calls from
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+ trying to unblock it, and give it permission to read. This fixes a
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+ backtrace warning that can happen on relays under various
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+ circumstances. Fixes bug 24167; bugfix on 0.1.0.1-rc.
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+
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+ o Minor bugfixes (onion services):
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+ - The introduction circuit was being timed out too quickly while
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+ waiting for the rendezvous circuit to complete. Keep the intro
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+ circuit around longer instead of timing out and reopening new ones
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+ constantly. Fixes bug 23681; bugfix on 0.2.4.8-alpha.
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+ - Rename the consensus parameter "hsdir-interval" to "hsdir_interval"
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+ so it matches dir-spec.txt. Fixes bug 24262; bugfix
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+ on 0.3.1.1-alpha.
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+ - Silence a warning about failed v3 onion descriptor uploads that
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+ can happen naturally under certain edge cases. Fixes part of bug
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+ 23662; bugfix on 0.3.2.1-alpha.
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+
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+ o Minor bugfixes (tests):
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+ - Fix a memory leak in one of the bridge-distribution test cases.
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+ Fixes bug 24345; bugfix on 0.3.2.3-alpha.
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+ - Fix a bug in our fuzzing mock replacement for crypto_pk_checksig(),
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+ to correctly handle cases where a caller gives it an RSA key of
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+ under 160 bits. (This is not actually a bug in Tor itself, but
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+ rather in our fuzzing code.) Fixes bug 24247; bugfix on
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+ 0.3.0.3-alpha. Found by OSS-Fuzz as issue 4177.
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+
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+ o Documentation:
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+ - Add notes in man page regarding OS support for the various
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+ scheduler types. Attempt to use less jargon in the scheduler
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+ section. Closes ticket 24254.
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+
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+
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Changes in version 0.3.2.4-alpha - 2017-11-08
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Changes in version 0.3.2.4-alpha - 2017-11-08
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Tor 0.3.2.4-alpha is the fourth alpha release in the 0.3.2.x series.
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Tor 0.3.2.4-alpha is the fourth alpha release in the 0.3.2.x series.
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It fixes several stability and reliability bugs, especially including
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It fixes several stability and reliability bugs, especially including
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