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@@ -1,3 +1,125 @@
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+Changes in version 0.4.2.2-alpha - 2019-10-0?
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+ This release fixes several bugs from the previous alpha release.
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+
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+ o Major bugfixes (embedded Tor):
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+ - Avoid a possible crash when restarting Tor in embedded mode and
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+ enabling a different set of publish/subscribe messages. Fixes bug
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+ 31898; bugfix on 0.4.1.1-alpha.
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+
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+ o Major bugfixes (torrc):
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+ - Stop ignoring torrc options after an %include directive, when the
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+ included directory ends with a file that does not contain any config
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+ options. (But does contain comments or whitespace.)
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+ Fixes bug 31408; bugfix on 0.3.1.1-alpha.
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+
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+ o Minor features (authority):
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+ - Directory authorities now reject relays running all currently
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+ deprecated release series. The currently supported release series
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+ are: 0.2.9, 0.3.5, 0.4.0, 0.4.1, and 0.4.2. Closes ticket 31549.
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+
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+ o Minor features (auto-formatting scripts):
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+ - When annotating C macros, never generate a line that our check-spaces
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+ script would reject. Closes ticket 31759.
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+ - When annotating C macros, try to remove cases of double-negation.
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+ Closes ticket 31779.
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+
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+ o Minor features (continuous integration):
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+ - When building on Appveyor, pass the "-k" flag to make, so that
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+ we are informed of all compilation failures, not just the first
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+ one or two. Closes part of ticket 31372.
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+ - When building on Travis, pass the "-k" flag to make, so that
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+ we are informed of all compilation failures, not just the first
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+ one or two. Closes part of ticket 31372.
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+
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+ o Minor features (geoip):
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+ - Update geoip and geoip6 to the October 1 2019 Maxmind GeoLite2
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+ Country database. Closes ticket 31931.
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+
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+ o Minor features (maintenance scripts):
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+ - Add a coccinelle script to detect bugs caused by incrementing or
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+ decrementing a variable inside a call to log_debug(). Since
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+ log_debug() is a macro whose arguments are conditionally evaluated, it
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+ is usually an error to do this. One such bug was 30628, in which SENDME
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+ cells were miscounted by a decrement operator inside a log_debug()
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+ call. Closes ticket 30743.
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+
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+ o Minor features (onion services v3):
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+ - Assist users who try to setup v2 client authorization in v3 onion
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+ services by pointing them to the right documentation. Closes ticket
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+ 28966.
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+
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+ o Minor bugfixes (Appveyor CI):
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+ - Avoid spurious errors when Appveyor CI fails before the install step.
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+ Fixes bug 31884; bugfix on 0.3.4.2-alpha.
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+
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+ o Minor bugfixes (best practices tracker):
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+ - When listing overbroad exceptions, do not also list problems,
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+ and do not list insufficiently broad exceptions. Fixes bug 31338;
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+ bugfix on 0.4.2.1-alpha.
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+
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+ o Minor bugfixes (controller protocol):
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+ - Fix the MAPADDRESS controller command to accept one or more
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+ arguments. Previously, it required two or more arguments, and ignored
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+ the first. Fixes bug 31772; bugfix on 0.4.1.1-alpha.
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+
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+ o Minor bugfixes (logging):
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+ - Add a missing check for HAVE_PTHREAD_H, because the backtrace code uses
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+ mutexes. Fixes bug 31614; bugfix on 0.2.5.2-alpha.
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+ - Disable backtrace signal handlers when shutting down tor.
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+ Fixes bug 31614; bugfix on 0.2.5.2-alpha.
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+ - Rate-limit our the logging message about the obsolete .exit notation.
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+ Previously, there was no limit on this warning, which could potentially
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+ be triggered many times by a hostile website. Fixes bug 31466;
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+ bugfix on 0.2.2.1-alpha.
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+ - When initialising log domain masks, only set known log domains.
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+ Fixes bug 31854; bugfix on 0.2.1.1-alpha.
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+
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+ o Minor bugfixes (logging, protocol violations):
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+ - Do not log a nonfatal assertion failure when receiving a VERSIONS
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+ cell on a connection using the obsolete v1 link protocol. Log a
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+ protocol_warn instead. Fixes bug 31107; bugfix on 0.2.4.4-alpha.
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+
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+ o Minor bugfixes (modules):
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+ - Explain what the optional Directory Authority module is, and what
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+ happens when it is disabled. Fixes bug 31825; bugfix on 0.3.4.1-alpha.
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+
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+ o Minor bugfixes (multithreading):
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+ - Avoid some undefined behaviour when freeing mutexes.
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+ Fixes bug 31736; bugfix on 0.0.7.
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+
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+ o Minor bugfixes (relay):
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+ - Avoid crashing when starting with a corrupt keys directory where
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+ the old ntor key and the new ntor key are identical. Fixes bug 30916;
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+ bugfix on 0.2.4.8-alpha.
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+
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+ o Minor bugfixes (tests, SunOS):
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+ - Avoid a map_anon_nofork test failure due to a signed/unsigned integer
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+ comparison. Fixes bug 31897; bugfix on 0.4.1.1-alpha.
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+
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+ o Code simplification and refactoring (onion services):
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+ - Interface for function `decrypt_desc_layer` cleaned up. Closes ticket 31589.
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+
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+ o Code simplification and refactoring:
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+ - Refactor connection_control_process_inbuf() to reduce the size of a
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+ practracker exception. Closes ticket 31840.
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+ - Refactor the microdescs_parse_from_string() function into smaller
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+ pieces, for better comprehensibility. Closes ticket 31675.
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+ - Use SEVERITY_MASK_IDX() to find the LOG_* mask indexes in the unit
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+ tests and fuzzers, rather than using hard-coded values.
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+ Closes ticket 31334.
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+
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+ o Documentation:
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+ - Document the signal-safe logging behaviour in the tor man page. Also
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+ add some comments to the relevant functions. Closes ticket 31839.
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+ - Explain why we can't destroy the backtrace buffer mutex. Explain why
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+ we don't need to destroy the log mutex.
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+ Closes ticket 31736.
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+ - The Tor source code repository now includes a (somewhat dated)
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+ description of Tor's modular architecture, in doc/HACKING/design.
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+ This is based on the old "tor-guts.git" repository, which we are
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+ adopting and superseding. Closes ticket 31849.
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+
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+
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Changes in version 0.4.1.6 - 2019-09-19
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This release backports several bugfixes to improve stability and
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correctness. Anyone experiencing build problems or crashes with 0.4.1.5,
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Nick Mathewson