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Rewrap the changelog
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Nick Mathewson
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ChangeLog
128
ChangeLog
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Changes in version 0.4.1.2-alpha - 2019-06-05
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Tor 0.4.1.2-alpha resolves numerous bugs--some of them from the previous
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alpha, and some much older. It also contains minor testing improvements,
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and an improvement to the security of our authenticated sendme
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implementation.
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Tor 0.4.1.2-alpha resolves numerous bugs--some of them from the
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previous alpha, and some much older. It also contains minor testing
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improvements, and an improvement to the security of our authenticated
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sendme implementation.
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o Major bugfixes (bridges):
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- Consider our directory information to have changed when our list of
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bridges changes. Previously, Tor would not re-compute the status of its
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directory information when bridges changed, and therefore would not
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realize that it was no longer able to build circuits. Fixes part of bug
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29875.
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- Do not count previously configured working bridges towards our total of
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working bridges. Previously, when Tor's list of bridges changed, it
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would think that the old bridges were still usable, and delay fetching
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router descriptors for the new ones. Fixes part of bug 29875; bugfix
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on 0.3.0.1-alpha.
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- Consider our directory information to have changed when our list
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of bridges changes. Previously, Tor would not re-compute the
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status of its directory information when bridges changed, and
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therefore would not realize that it was no longer able to build
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circuits. Fixes part of bug 29875.
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- Do not count previously configured working bridges towards our
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total of working bridges. Previously, when Tor's list of bridges
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changed, it would think that the old bridges were still usable,
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and delay fetching router descriptors for the new ones. Fixes part
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of bug 29875; bugfix on 0.3.0.1-alpha.
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o Major bugfixes (Flow Control, SENDME):
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- The decrement of the stream-level package window was done in a log_debug()
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statement meaning that if the debug logs were not enabled, the decrement
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would never happen and thus the window would be out of sync with the other
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end point. Fixes bug 30628; bugfix on 0.4.1.1-alpha.
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- The decrement of the stream-level package window was done in a
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log_debug() statement meaning that if the debug logs were not
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enabled, the decrement would never happen and thus the window
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would be out of sync with the other end point. Fixes bug 30628;
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bugfix on 0.4.1.1-alpha.
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o Major bugfixes (Onion service reachability):
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- Properly clean up the introduction point map and associated state when
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circuits change purpose from onion service circuits to pathbias,
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measurement, or other circuit types. This should fix some instances of
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introduction point failure. Fixes bug 29034; bugfix on 0.3.2.1-alpha.
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- Properly clean up the introduction point map and associated state
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when circuits change purpose from onion service circuits to
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pathbias, measurement, or other circuit types. This should fix
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some instances of introduction point failure. Fixes bug 29034;
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bugfix on 0.3.2.1-alpha.
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o Minor features (authenticated SENDME):
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- Ensure that there is enough randomness on every circuit
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to prevent an attacker from successfully predicting what SENDME cells
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they will need to send: at a random interval, if we have not send
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randomness already, leave some extra space at the end of a cell that
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we can fill with random bytes. Closes ticket 26846.
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- Ensure that there is enough randomness on every circuit to prevent
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an attacker from successfully predicting what SENDME cells they
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will need to send: at a random interval, if we have not send
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randomness already, leave some extra space at the end of a cell
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that we can fill with random bytes. Closes ticket 26846.
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o Minor features (continuous integration):
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- When running coverage builds on Travis, we now set TOR_TEST_RNG_SEED,
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to avoid RNG-based coverage differences.
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Part of ticket 28878.
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- When running coverage builds on Travis, we now set
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TOR_TEST_RNG_SEED, to avoid RNG-based coverage differences. Part
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of ticket 28878.
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o Minor features (maintenance):
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- Add a new "make autostyle" target that developers can use to
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apply all automatic Tor style and consistency conversions to the
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- Add a new "make autostyle" target that developers can use to apply
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all automatic Tor style and consistency conversions to the
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codebase. Closes ticket 30539.
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o Minor features (testing):
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- The circuitpadding tests now use a reproducible RNG implementation,
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so that if a test fails, we can learn why. Part of ticket 28878.
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- Tor's tests now support an environment variable, TOR_TEST_RNG_SEED,
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to set the RNG seed for tests that use a reproducible RNG.
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Part of ticket 28878.
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to set the RNG seed for tests that use a reproducible RNG. Part of
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ticket 28878.
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- When running tests in coverage mode, take additional care to make
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our coverage deterministic, so that we can accurately track changes in
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code coverage. Closes ticket 30519.
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our coverage deterministic, so that we can accurately track
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changes in code coverage. Closes ticket 30519.
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o Minor bugfixes (configuration, proxies):
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- Fix a bug that prevented us from supporting SOCKS5 proxies that want
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authentication along with configured (but unused!)
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- Fix a bug that prevented us from supporting SOCKS5 proxies that
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want authentication along with configured (but unused!)
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ClientTransportPlugins. Fixes bug 29670; bugfix on 0.2.6.1-alpha.
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o Minor bugfixes (controller):
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- POSTDESCRIPTOR requests should work again. Previously, they were
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broken if a "purpose=" flag was specified. Fixes bug 30580;
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bugfix on 0.4.1.1-alpha.
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broken if a "purpose=" flag was specified. Fixes bug 30580; bugfix
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on 0.4.1.1-alpha.
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- Repair the HSFETCH command so that it works again. Previously, it
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expected a body when it shouldn't have. Fixes bug 30646; bugfix on
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0.4.1.1-alpha.
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expected a body when it shouldn't have. Fixes bug 30646; bugfix
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on 0.4.1.1-alpha.
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o Minor bugfixes (developer tooling):
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- Fix pre-push hook to refrain from rejecting fixup and squash commits
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when pushing to non-upstream git remote. Fixes bug 30286; bugfix on
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0.4.0.1-alpha.
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- Fix pre-push hook to refrain from rejecting fixup and squash
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commits when pushing to non-upstream git remote. Fixes bug 30286;
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bugfix on 0.4.0.1-alpha.
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o Minor bugfixes (directory authority):
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- Move the "bandwidth-file-headers" line in directory authority votes
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so that it conforms to dir-spec.txt. Fixes bug 30316; bugfix on
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0.3.5.1-alpha.
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- Move the "bandwidth-file-headers" line in directory authority
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votes so that it conforms to dir-spec.txt. Fixes bug 30316; bugfix
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on 0.3.5.1-alpha.
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o Minor bugfixes (NetBSD):
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- Fix usage of minherit() on NetBSD and other platforms that define
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@ -85,27 +87,29 @@ Changes in version 0.4.1.2-alpha - 2019-06-05
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o Minor bugfixes (out-of-memory handler):
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- When purging the DNS cache because of an out-of-memory condition,
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try purging just the older entries at first. Previously, we would
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try purging just the older entries at first. Previously, we would
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purge the whole thing. Fixes bug 29617; bugfix on 0.3.5.1-alpha.
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o Minor bugfixes (portability):
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- Avoid crashing in our tor_vasprintf() implementation on systems that
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define neither vasprintf() nor _vscprintf(). (This bug has been here
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long enough that we question whether people are running Tor on such
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systems, but we're applying the fix out of caution.) Fixes bug 30561;
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bugfix on 0.2.8.2-alpha. Found and fixed by Tobias Stoeckmann.
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- Avoid crashing in our tor_vasprintf() implementation on systems
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that define neither vasprintf() nor _vscprintf(). (This bug has
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been here long enough that we question whether people are running
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Tor on such systems, but we're applying the fix out of caution.)
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Fixes bug 30561; bugfix on 0.2.8.2-alpha. Found and fixed by
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Tobias Stoeckmann.
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o Minor bugfixes (shutdown, libevent, memory safety):
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- Avoid use-after-free bugs when shutting down, by making sure that we
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shut down libevent only after shutting down all of its users. We
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believe these are harmless in practice, since they only occur on the
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shutdown path, and do not involve any attacker-controlled data. Fixes
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bug 30629; bugfix on 0.4.1.1-alpha.
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- Avoid use-after-free bugs when shutting down, by making sure that
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we shut down libevent only after shutting down all of its users.
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We believe these are harmless in practice, since they only occur
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on the shutdown path, and do not involve any attacker-controlled
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data. Fixes bug 30629; bugfix on 0.4.1.1-alpha.
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o Minor bugfixes (static analysis):
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- Fix several spurious Coverity warnings about the unit tests, to lower our
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chances of missing any real warnings in the future. Fixes bug 30150;
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bugfix on 0.3.5.1-alpha and various other Tor versions.
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- Fix several spurious Coverity warnings about the unit tests, to
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lower our chances of missing any real warnings in the future.
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Fixes bug 30150; bugfix on 0.3.5.1-alpha and various other
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Tor versions.
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o Testing:
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- Specify torrc paths (with empty files) when launching tor in
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