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copy 0.4.5.2-alpha changelog forward.
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ChangeLog
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ChangeLog
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Changes in version 0.4.5.2-alpha - 2020-11-23
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Tor 0.4.5.2-alpha is the second alpha release in the 0.4.5.x series.
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It fixes several bugs present in earlier releases, including one that
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made it impractical to run relays on Windows. It also adds a few small
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safety features to improve Tor's behavior in the presence of strange
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compile-time options, misbehaving proxies, and future versions
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of OpenSSL.
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o Major bugfixes (relay, windows):
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- Fix a bug in our implementation of condition variables on Windows.
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Previously, a relay on Windows would use 100% CPU after running
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for some time. Because of this change, Tor now require Windows
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Vista or later to build and run. Fixes bug 30187; bugfix on
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0.2.6.3-alpha. (This bug became more serious in 0.3.1.1-alpha with
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the introduction of consensus diffs.) Patch by Daniel Pinto.
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o Minor features (compilation):
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- Disable deprecation warnings when building with OpenSSL 3.0.0 or
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later. There are a number of APIs newly deprecated in OpenSSL
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3.0.0 that Tor still requires. (A later version of Tor will try to
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stop depending on these APIs.) Closes ticket 40165.
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o Minor features (protocol, proxy support, defense in depth):
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- Respond more deliberately to misbehaving proxies that leave
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leftover data on their connections, so as to make Tor even less
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likely to allow the proxies to pass their data off as having come
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from a relay. Closes ticket 40017.
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o Minor features (safety):
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- Log a warning at startup if Tor is built with compile-time options
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that are likely to make it less stable or reliable. Closes
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ticket 18888.
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o Minor bugfixes (circuit, handshake):
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- In the v3 handshaking code, use connection_or_change_state() to
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change the state. Previously, we changed the state directly, but
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this did not pass the state change to the pubsub or channel
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objects, potentially leading to bugs. Fixes bug 32880; bugfix on
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0.2.3.6-alpha. Patch by Neel Chauhan.
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o Minor bugfixes (compilation):
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- Use the correct 'ranlib' program when building libtor.a.
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Previously we used the default ranlib, which broke some kinds of
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cross-compilation. Fixes bug 40172; bugfix on 0.4.5.1-alpha.
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- Remove a duplicate typedef in metrics_store.c. Fixes bug 40177;
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bugfix on 0.4.5.1-alpha.
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- When USDT tracing is enabled, and STAP_PROBEV() is missing, don't
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attempt to build. Linux supports that macro but not the BSDs.
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Fixes bug 40174; bugfix on 0.4.5.1-alpha.
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o Minor bugfixes (configuration):
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- Exit Tor on a misconfiguration when the Bridge line is configured
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to use a transport but no corresponding ClientTransportPlugin can
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be found. Prior to this fix, Tor would attempt to connect to the
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bridge directly without using the transport, making it easier for
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adversaries to notice the bridge. Fixes bug 25528; bugfix
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on 0.2.6.1-alpha.
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- Fix an issue where an ORPort was compared with other kinds of
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ports, when it should have been only checked against other
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ORPorts. This bug would lead to "DirPort auto" getting ignored.
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Fixes bug 40195; bugfix on 0.4.5.1-alpha.
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- Fix a bug where a second non-ORPort with a variant family (ex:
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SocksPort [::1]:9050) would be ignored due to a configuration
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parsing error. Fixes bug 40183; bugfix on 0.4.5.1-alpha.
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o Minor bugfixes (crash, relay, signing key):
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- Avoid assertion failures when we run Tor from the command line
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with `--key-expiration sign`, but an ORPort is not set. Fixes bug
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40015; bugfix on 0.3.2.1-alpha. Patch by Neel Chauhan.
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o Minor bugfixes (logging):
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- Remove trailing whitespace from control event log messages. Fixes
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bug 32178; bugfix on 0.1.1.1-alpha. Based on a patch by
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Amadeusz Pawlik.
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- Turn warning-level log message about SENDME failure into a debug-
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level message. (This event can happen naturally, and is no reason
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for concern). Fixes bug 40142; bugfix on 0.4.1.1-alpha.
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o Minor bugfixes (relay, address discovery):
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- Don't trigger an IP change when no new valid IP can be found.
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Fixes bug 40071; bugfix on 0.4.5.1-alpha.
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- When attempting to discover our IP, use a simple test circuit,
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rather than a descriptor fetch: the same address information is
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present in NETINFO cells, and is better authenticated there. Fixes
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bug 40071; bugfix on 0.4.5.1-alpha.
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o Minor bugfixes (testing):
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- Fix the `config/parse_tcp_proxy_line` test so that it works
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correctly on systems where the DNS provider hijacks invalid
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queries. Fixes part of bug 40179; bugfix on 0.4.3.1-alpha.
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- Fix unit tests that used newly generated list of routers so that
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they check them with respect to the date when they were generated,
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not with respect to the current time. Fixes bug 40187; bugfix
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on 0.4.5.1-alpha.
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- Fix our Python reference-implementation for the v3 onion service
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handshake so that it works correctly with the version of hashlib
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provided by Python 3.9. Fixes part of bug 40179; bugfix
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on 0.3.1.6-rc.
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- Fix the `tortls/openssl/log_one_error` test to work with OpenSSL
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3.0.0. Fixes bug 40170; bugfix on 0.2.8.1-alpha.
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o Removed features (controller):
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- Remove the "GETINFO network-status" controller command. It has
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been deprecated since 0.3.1.1-alpha. Closes ticket 22473.
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Changes in version 0.4.4.6 - 2020-11-12
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Changes in version 0.4.4.6 - 2020-11-12
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Tor 0.4.4.6 is the second stable release in the 0.4.4.x series. It
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Tor 0.4.4.6 is the second stable release in the 0.4.4.x series. It
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backports fixes from later releases, including a fix for TROVE-2020-
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backports fixes from later releases, including a fix for TROVE-2020-
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