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@@ -1,3 +1,166 @@
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+Changes in version 0.2.5.4-alpha - 2014-04-??
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+
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+ o Deprecated versions:
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+ - Tor 0.2.2.x has reached end-of-life; it has received no patches or
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+ attention for some while. Directory authorities no longer accept
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+ descriptors from Tor relays running any version of Tor prior to Tor
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+ 0.2.3.16-alpha. Resolves ticket 11149.
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+
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+ o Minor features (relay):
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+ - If a circuit timed out for at least 3 minutes check if we have a new
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+ external IP address the next time we run our routine checks. If our
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+ IP address has changed, then publish a new descriptor with the new
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+ IP address. Resolves ticket 2454.
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+
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+ o Major bugfixes (undefined behavior):
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+ - Fix two instances of possible undefined behavior in channeltls.c
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+ that could, under unlucky circumstances, have led to a pointer
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+ overflow. Fixes bug #10363; bugfixes on 0.2.0.10-alpha and
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+ 0.2.3.6-alpha. Reported by "bobnomnom".
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+ - Fix another possibly undefined pointer operations in tor_memmem
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+ fallback implementation. Another case of bug #10363; bugfix on
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+ 0.1.1.1-alpha.
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+ - Fix another possibly undefined pointer operations in the eventdns
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+ fallback implementation. Another case of bug #10363; bugfix on
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+ 0.1.2.1-alpha.
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+
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+ o Minor bugfixes (build):
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+ - Build the torify.1 manpage again. Previously, we were only
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+ trying to build it when also building tor-fw-helper. That's why
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+ we didn't notice that we'd broken the ability to build it.
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+ Fixes bug 11321; bugfix on 0.2.5.1-alpha.
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+
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+ o Minor bugfixes (logging):
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+ - Log only one message when we start logging in an unsafe
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+ way. Previously, we would log as many messages as we had
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+ problems. Fix for #9870; bugfix on 0.2.5.1-alpha.
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+
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+ o Minor bugfixes (tor-fw-helper):
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+ - Allow tor-fw-helper to build again by adding src/ext to its
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+ CPPFLAGS. Fixes bug 11296; bugfix on 0.2.5.3-alpha.
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+
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+ o Minor bugfixes (bridges):
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+ - Avoid potential crashes or bad behavior when launching a
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+ server-side managed proxy with ORPort or ExtORPort temporarily
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+ disabled. Fixes bug 9650; bugfix on 0.2.3.16-alpha.
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+
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+ o Minor bugfixes (misc):
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+ - Don't re-initialize a second set of openssl mutexes when starting
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+ up. Fixes bug 11726; bugfix on 0.2.5.3-alpha.
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+
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+ o Minor bugfixes (memory leaks):
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+ - Fix a minor memory leak that occurred when signing a directory
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+ object. Fixes bug 11275; bugfix on 0.2.4.13-alpha.
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+
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+ o Minor bugfixes (build):
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+ - Fix compilation on Solaris, which does not have <endian.h>.
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+ Fixes bug 11426; bugfix on 0.2.5.3-alpha.
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+
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+ o Minor bugfixes (misc):
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+ - Free placeholder entries in our circuit table at exit; fixes
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+ a harmless memory leak. Fixes bug 11278; bugfix on 0.2.5.1-alpha.
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+
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+ o Minor bugfixes (hidden service):
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+ - Only retry attempts to connect to a chosen rendezvous point 8 times,
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+ not 30. Fixes bug #4241; bugfix on 0.1.0.1-rc.
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+
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+ o Minor bugfixes (misc):
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+ - Resolve some memory leaks found by coverity in the unit tests,
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+ on exit in tor-gencert, and on a failure to compute digests
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+ for our own keys when generating a v3 networkstatus vote.
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+ These leaks should never have affected anyone in practice.
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+
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+ o Minor bugfixes (bridge client):
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+ - Stop accepting bridge lines containing hostnames. Doing so allowed
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+ clients to perform DNS requests on the hostnames, which was not
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+ sensible behavior. Fixes bug 10801; bugfix on 0.2.0.1-alpha.
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+
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+ o Minor bugfixes (exit):
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+ - Stop leaking memory when we successfully resolve a PTR record.
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+ Fixes bug 11437; bugfix on 0.2.4.7-alpha.
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+
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+ o Minor bugfixes (undefined behavior):
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+ - Use AddressSanitizer and Ubsan sanitizers (in clang-3.4) to fix some
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+ miscellaneous errors in our tests and codebase. Fix for bug 11232.
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+ Bugfixes on versions back as far as 0.2.1.11-alpha.
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+
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+ o Minor bugfixes (windows):
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+ - When dumping a malformed directory object to disk, save it in binary
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+ mode on windows, not text mode. Fixes bug 11342; bugfix on
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+ 0.2.2.1-alpha.
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+
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+ o Minor bugfixes (IPv6):
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+ - When using DNSPort and AutomapHostsOnResolve, respond to AAAA
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+ requests with AAAA automapped answers. Fixes bug 10468; bugfix
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+ on 0.2.4.7-alpha.
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+
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+ o Minor features (controller):
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+ - Make the entire exit policy available from the control port via
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+ GETINFO exit-policy/*. Implements enhancement #7952. Patch from
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+ "rl1987".
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+
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+ o Minor features (performance):
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+ - Faster server-side lookups of rendezvous and introduction point
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+ circuits by using hashtables instead of linear searches over all
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+ the circuits. These functions previously accounted between 3 and
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+ 7% of CPU usage on some busy relays.
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+
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+ o Minor features (misc):
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+ - Always check return values for unlink, munmap, UnmapViewOfFile;
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+ check strftime return values more often. In some cases all we
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+ can do is report a warning, but this may help prevent deeper
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+ bugs from going unnoticed. Closes ticket 8787.
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+
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+ o Minor features (bridge client):
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+ - Report a failure to connect to a bridge because its transport
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+ type has no configured pluggable transport as a new type of bootstrap
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+ failure. Resolves ticket 9665. Patch from Fábio J. Bertinatto.
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+
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+ o Minor features (diagnostic):
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+ - Try harder to diagnose a possible cause of bug 7164, which causes
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+ intermittent "microdesc_free() called but md was still referenced"
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+ warnings. We now log more information about the likely error case,
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+ to try to figure out why we might be cleaning a microdescriptor
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+ as old if it's still referenced by a live node.
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+
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+ o Minor features (relay):
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+ - Warn less verbosely when receiving a misformed ESTABLISH_RENDEZVOUS
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+ cell. Fixes ticket 11279.
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+
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+ o Minor features (relay, OSX):
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+ - When reporting a failure from make_socket_reuseable(), don't
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+ report a warning when we get a failure from an incoming socket
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+ on OSX. Fix for bug 10081.
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+
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+ o Documentation fixes:
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+ - Fix the layout of the SOCKSPort flags in the manpage. Fixes bug
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+ 11061; bugfix on 0.2.4.7-alpha.
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+
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+ o Documentation:
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+ - Correctly document that we search for a system torrc file before
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+ looking in ~/.torrc. Fixes documentation side of 9213; bugfix
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+ on 0.2.3.18-rc.
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+
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+ o Documentation:
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+ - Resolve warnings from Doxygen.
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+
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+ o Code simplifications and refactoring:
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+ - Removing is_internal_IP() function. Resolves ticket 4645.
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+
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+ o Code simplifications and refactoring:
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+ - Remove unused function circuit_dump_by_chan from circuitlist.c. Closes
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+ issue #9107; patch from "marek".
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+
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+ o Code simplification and refactoring:
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+ - Change our use of the ENUM_BF macro to avoid declarations that
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+ confuse Doxygen.
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+
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+ o Removed code:
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+ - Remove all code for the long unused v1 directory protocol. Resolves
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+ ticket 11070.
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+
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+
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+
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Changes in version 0.2.5.3-alpha - 2014-03-22
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Tor 0.2.5.3-alpha includes all the fixes from 0.2.4.21. It contains
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two new anti-DoS features for Tor relays, resolves a bug that kept
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Nick Mathewson