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@@ -1,4 +1,4 @@
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-Changes in version 0.2.3.11-alpha - 2012-01-0?
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+Changes in version 0.2.3.11-alpha - 2012-01-??
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o Major features:
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- Now that Tor 0.2.0.x is completely deprecated, enable the final
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part of "Proposal 110: Avoiding infinite length circuits" by
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@@ -32,26 +32,24 @@ Changes in version 0.2.3.11-alpha - 2012-01-0?
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to make sure that the bug can't happen.
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o Major bugfixes:
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+ - Fix the SOCKET_OK test that we use to tell when socket
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+ creation fails so that it works on Win64. Fixes part of bug 4533;
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+ bugfix on 0.2.2.29-beta. Bug found by wanoskarnet.
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- Correct our replacements for the timeradd() and timersub() functions
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on platforms that lack them (for example, Windows). The timersub()
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function is used when expiring circuits, while timeradd() is
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- currently unused. Bug report and patch by Vektor. Bugfix on
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- 0.2.2.24-alpha and 0.2.3.1-alpha; fixes bug 4778.
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+ currently unused. Bug report and patch by Vektor. Fixes bug 4778;
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+ bugfix on 0.2.2.24-alpha and 0.2.3.1-alpha.
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- Do not use OpenSSL 1.0.0's counter mode: it has a critical bug
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- that was fixed in OpenSSL 1.0.0a. Fixes bug 4779; bugfix on
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- Tor 0.2.3.9-alpha. Found by Pascal.
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+ that was fixed in OpenSSL 1.0.0a. We test for the counter mode
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+ bug at runtime, not compile time, because some distributions hack
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+ their OpenSSL to mis-report its version. Fixes bug 4779; bugfix
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+ on 0.2.3.9-alpha. Found by Pascal.
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- o Minor features:
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- - Directory servers now reject versions of Tor older than 0.2.1.30,
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- and Tor versions between 0.2.2.1-alpha and 0.2.2.20-alpha
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- (inclusive). These versions accounted for only a small fraction of
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- the Tor network, and have numerous known security issues. Resolves
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- issue 4788.
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+ o Minor features (controller):
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- Use absolute path names when reporting the torrc filename in the
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control protocol, so a controller can more easily find the torrc
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file. Resolves bug 1101.
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- - If EntryNodes are given, but UseEntryGuards is set to 0, warn that
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- EntryNodes will have no effect. Resolves issue 2571.
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- Extend the control protocol to report flags that control a circuit's
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path selection in CIRC events and in replies to 'GETINFO
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circuit-status'. Implements part of ticket 2411.
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@@ -59,6 +57,44 @@ Changes in version 0.2.3.11-alpha - 2012-01-0?
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and current state of a hidden-service-related circuit in CIRC
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events and in replies to 'GETINFO circuit-status'. Implements part
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of ticket 2411.
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+ - When reporting the path to the cookie file to the controller,
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+ give an absolute path. Resolves ticket 4881.
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+ - Allow controllers to request an event notification whenever a
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+ circuit is cannibalized or its purpose is changed. Implements
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+ part of ticket 3457.
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+ - Include the creation time of a circuit in CIRC and CIRC2
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+ control-port events and the list produced by the 'GETINFO
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+ circuit-status' control-port command.
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+
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+ o Minor features (directory authorities):
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+ - Directory authorities now reject versions of Tor older than
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+ 0.2.1.30, and Tor versions between 0.2.2.1-alpha and 0.2.2.20-alpha
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+ inclusive. These versions accounted for only a small fraction of
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+ the Tor network, and have numerous known security issues. Resolves
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+ issue 4788.
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+ - Authority operators can now vote for all routers in a given
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+ country to be BadDir/BadExit/Invali/Rejected.
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+ - Provide two consensus parameters (FastFlagMinThreshold and
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+ FastFlagMaxThreshold) to control the range of allowable bandwidths
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+ for the Fast directory flag. These allow authorities to run
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+ experiments on appropriate requirements for being a "Fast" node.
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+ The AuthDirFastGuarantee config value still applies.
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+ - Document the GiveGuardFlagTo_CVE_2011_2768_VulnerableRelays
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+ directory authority option (introduced in Tor 0.2.2.34).
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+
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+ o Minor features (other):
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+ - Don't disable the DirPort when we cannot exceed our AccountingMax
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+ limit during this interval because the effective bandwidthrate is
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+ low enough. This is useful in a situation where AccountMax is only
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+ used as an additional safeguard or to provide statistics.
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+ - Prepend an informative header to generated dynamic_dh_params files.
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+ - If EntryNodes are given, but UseEntryGuards is set to 0, warn that
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+ EntryNodes will have no effect. Resolves issue 2571.
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+ - Log more useful messages when we fail to disable debugger
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+ attachment.
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+ - Log which authority we're missing votes from when we go to fetch
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+ them from the other auths.
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+ - Log (at debug level) whenever a circuit's purpose is changed.
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- Update to the January 3 2012 Maxmind GeoLite Country database.
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o Minor bugfixes (hidden services):
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@@ -71,12 +107,12 @@ Changes in version 0.2.3.11-alpha - 2012-01-0?
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after the normal CBT. Now, we mark them as 'timed out', and launch
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another rendezvous attempt in parallel. This behavior change can
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be disabled using the new CloseHSClientCircuitsImmediatelyOnTimeout
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- option. Bugfix on 0.2.2.2-alpha; fixes part of bug 1297.
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+ option. Fixes part of bug 1297; bugfix on 0.2.2.2-alpha.
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- Don't close hidden-service-side rendezvous circuits when they
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reach the normal circuit-build timeout. This behaviour change can
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be disabled using the new
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- CloseHSServiceRendCircuitsImmediatelyOnTimeout option. Bugfix on
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- 0.2.2.2-alpha; fixes the remaining part of bug 1297.
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+ CloseHSServiceRendCircuitsImmediatelyOnTimeout option. Fixes the
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+ remaining part of bug 1297; bugfix on 0.2.2.2-alpha.
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- Make sure we never mark the wrong rendezvous circuit as having
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had its introduction cell acknowleged by the introduction-point
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relay. Previously, when we received an INTRODUCE_ACK cell on a
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@@ -84,15 +120,46 @@ Changes in version 0.2.3.11-alpha - 2012-01-0?
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marked a rendezvous circuit other than the one we specified in
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the INTRODUCE1 cell as INTRO_ACKED, which would have produced
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a warning message and interfered with the hidden service
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- connection-establishment process. Bugfix on 0.2.3.3-alpha, when we
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- added the stream-isolation feature which might cause Tor to open
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- multiple rendezvous circuits for the same hidden service. Fixes
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- bug 4759.
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+ connection-establishment process. Fixes bug 4759; bugfix on
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+ 0.2.3.3-alpha, when we added the stream-isolation feature which
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+ might cause Tor to open multiple rendezvous circuits for the same
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+ hidden service.
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- Don't trigger an assertion failure when we mark a new client-side
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hidden-service introduction circuit for close during the process
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- of creating it. Bugfix on 0.2.3.6-alpha. Fixes bug 4796; reported
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+ of creating it. Fixes bug 4796; bugfix on 0.2.3.6-alpha. Reported
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by murb.
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+ o Minor bugfixes (log messages):
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+ - Correctly spell "connect" in a log message on failure to create a
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+ controlsocket. Fixes bug 4803; bugfix on 0.2.2.26-beta and
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+ 0.2.3.2-alpha.
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+ - Fix a typo in a log message in rend_service_rendezvous_has_opened().
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+ Fixes bug 4856; bugfix on Tor 0.0.6.
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+ - Fix the log message describing how we work around discovering
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+ that our version is the ill-fated OpenSSL 0.9.8l. Fixes bug
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+ 4837; bugfix on 0.2.2.9-alpha.
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+ - When logging about a disallowed .exit name, do not also call it
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+ an "invalid onion address". Fixes bug 3325; bugfix on 0.2.2.9-alpha.
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+
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+ o Minor bugfixes (build fixes):
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+ - During configure, search for library containing cos function as
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+ libm lives in libcore on some platforms (BeOS/Haiku). Linking
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+ against libm was hard-coded before. Fixes the first part of bug
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+ 4727; bugfix on 0.2.2.2-alpha. Patch and analysis by Martin Hebnes
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+ Pedersen.
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+ - Preprocessor directives should not be put inside the arguments
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+ of a macro. This would break compilation with GCC releases prior
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+ to version 3.3. We would never recommend such an old GCC version,
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+ but it is apparently required for binary compatibility on some
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+ platforms (namely, certain builds of Haiku). Fixes the other part
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+ of bug 4727; bugfix on 0.2.3.3-alpha. Patch and analysis by Martin
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+ Hebnes Pedersen.
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+ - Use an appropriate-width type for sockets in tor-fw-helper on
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+ win64. Fixes bug 1983 at last. Bugfix on 0.2.3.9-alpha.
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+ - Detect attempts to build Tor on (as yet hypothetical) versions
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+ of Windows where sizeof(intptr_t) != sizeof(SOCKET). Partial
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+ fix for bug 4533. Bugfix on 0.2.2.28-beta.
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+
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o Minor bugfixes (other):
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- Fix null-pointer access that could occur if TLS allocation failed.
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Fixes bug 4531; bugfix on 0.2.0.20-rc. Found by "troll_un". This was
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@@ -113,23 +180,21 @@ Changes in version 0.2.3.11-alpha - 2012-01-0?
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platform specific, and particularly the hurd has ENOENT at
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0x40000002. Construct expected string at runtime, using the correct
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value for ENOENT. Fixes bug 4733; bugfix on 0.2.3.1-alpha.
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- - Correctly spell "connect" in a log message on failure to create a
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- controlsocket. Fixes bug 4803; bugfix on 0.2.2.26-beta and
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- 0.2.3.2-alpha.
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- - During configure, search for library containing cos function as
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- libm lives in libcore on some platforms (BeOS/Haiku).
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- Linking against libm was hard-coded before. Bugfix on
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- 0.2.2.2-alpha; fixes the first part of bug 4727. Patch and
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- analysis by Martin Hebnes Pedersen.
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- - Preprocessor directives should not be put inside the arguments
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- of a macro. This would break compilation with GCC releases prior
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- to version 3.3. We would never recommend such an old GCC
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- version, but it is apparently required for binary compatibility
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- on some platforms (namely, certain builds of Haiku). Bugfix on
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- 0.2.3.3-alpha; fixes the other part of bug 4727. Patch and
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- analysis by Martin Hebnes Pedersen.
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-
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- - Feature removal:
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+ - Fix our implementation of crypto_random_hostname() so it can't
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+ overflow on ridiculously large inputs. (No Tor version has ever
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+ provided this kind of bad inputs, but let's be correct in depth.)
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+ Fixes bug 4413; bugfix on 0.2.2.9-alpha. Fix by Stephen Palmateer.
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+ - Reject attempts to disable DisableDebuggerAttachment while Tor is
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+ running. Fixes bug 4650; bugfix on 0.2.3.9-alpha.
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+ - Find more places in the code that should have been testing for
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+ invalid sockets using the SOCKET_OK macro. Required for a fix
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+ for bug 4533. Bugfix on 0.2.2.28-beta.
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+ - Add missing documentation for the MaxClientCircuitsPending,
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+ UseMicrodescriptors, UserspaceIOCPBuffers, and
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+ _UseFilteringSSLBufferevents options, all introduced during
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+ the 0.2.3.x series.
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+
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+ o Feature removal:
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- When sending or relaying a RELAY_EARLY cell, we used to convert
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it to a RELAY cell if the connection was using the v1 link
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protocol. This was a workaround for older versions of Tor, which
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@@ -145,6 +210,22 @@ Changes in version 0.2.3.11-alpha - 2012-01-0?
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- Use OpenSSL's built-in SSL_state_string_long() instead of our
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own homebrewed ssl_state_to_string() replacement. Patch from
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Emile Snyder. Fixes bug 4653.
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+ - Use macros to indicate OpenSSL versions, so we don't need to worry
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+ about accidental hexadecimal bit shifts.
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+ - Remove some workaround code for OpenSSL 0.9.6 (which is no longer
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+ supported).
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+ - Convert more instances of tor_snprintf+tor_strdup into tor_asprintf.
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+ - Use the smartlist_add_asprintf() alias more consistently.
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+ - Use a TOR_INVALID_SOCKET macro when initializing a socket to an
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+ invalid value, rather than just -1.
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+ - Rename a handful of old identifiers, mostly related to crypto
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+ structures and crypto functions. By convention, our "create an
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+ object" functions are called "type_new()", our "free an object"
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+ functions are called "type_free()", and our types indicate that
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+ they are types only with a final "_t". But a handful of older
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+ types and functions broke these rules, with function names like
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+ "type_create" or "subsystem_op_type", or with type names like
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+ type_env_t.
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Changes in version 0.2.3.10-alpha - 2011-12-16
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Roger Dingledine