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[tor-commits] [tor/release-0.2.6] Start on 0.2.6 release notes
commit 0f0b83815f5ecd22492f7b4b956c4d88a2b98e06
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date: Tue Mar 10 10:59:13 2015 -0400
Start on 0.2.6 release notes
I made these mostly mechanically, by collating all the 0.2.6.x changelogs
and removing all the items that were bugfixes on 0.2.6.x.
---
ReleaseNotes | 975 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 975 insertions(+)
diff --git a/ReleaseNotes b/ReleaseNotes
index a9c8cee..578cede 100644
--- a/ReleaseNotes
+++ b/ReleaseNotes
@@ -3,6 +3,981 @@ This document summarizes new features and bugfixes in each stable release
of Tor. If you want to see more detailed descriptions of the changes in
each development snapshot, see the ChangeLog file.
+
+Changes in version 0.2.6.???
+
+ Write a blurb here.
+
+ o New compiler and system requirements:
+ - Tor 0.2.6.x requires that your compiler support more of the C99
+ language standard than before. The 'configure' script now detects
+ whether your compiler supports C99 mid-block declarations and
+ designated initializers. If it does not, Tor will not compile.
+
+ We may revisit this requirement if it turns out that a significant
+ number of people need to build Tor with compilers that don't
+ bother implementing a 15-year-old standard. Closes ticket 13233.
+ - Tor no longer supports systems without threading support. When we
+ began working on Tor, there were several systems that didn't have
+ threads, or where the thread support wasn't able to run the
+ threads of a single process on multiple CPUs. That no longer
+ holds: every system where Tor needs to run well now has threading
+ support. Resolves ticket 12439.
+
+ o Deprecated versions and removed support:
+ - Tor relays older than 0.2.4.18-rc are no longer allowed to
+ advertise themselves on the network. Closes ticket 13555.
+ - Tor clients no longer support connecting to hidden services
+ running on Tor 0.2.2.x and earlier; the Support022HiddenServices
+ option has been removed. (There shouldn't be any hidden services
+ running these versions on the network.) Closes ticket 7803.
+
+ o Directory authority changes:
+ - The directory authority Faravahar has a new IP address. This
+ closes ticket 14487.
+ - Remove turtles as a directory authority.
+ - Add longclaw as a new (v3) directory authority. This implements
+ ticket 13296. This keeps the directory authority count at 9.
+
+ o Major features (bridges):
+ - Expose the outgoing upstream HTTP/SOCKS proxy to pluggable
+ transports if they are configured via the "TOR_PT_PROXY"
+ environment variable. Implements proposal 232. Resolves
+ ticket 8402.
+
+ o Major features (changed defaults):
+ - Prevent relay operators from unintentionally running exits: When a
+ relay is configured as an exit node, we now warn the user unless
+ the "ExitRelay" option is set to 1. We warn even more loudly if
+ the relay is configured with the default exit policy, since this
+ can indicate accidental misconfiguration. Setting "ExitRelay 0"
+ stops Tor from running as an exit relay. Closes ticket 10067.
+
+ o Major features (client performance, hidden services):
+ - Allow clients to use optimistic data when connecting to a hidden
+ service, which should remove a round-trip from hidden service
+ initialization. See proposal 181 for details. Implements
+ ticket 13211.
+
+ o Major features (directory system):
+ - Upon receiving an unparseable directory object, if its digest
+ matches what we expected, then don't try to download it again.
+ Previously, when we got a descriptor we didn't like, we would keep
+ trying to download it over and over. Closes ticket 11243.
+ - When downloading server- or microdescriptors from a directory
+ server, we no longer launch multiple simultaneous requests to the
+ same server. This reduces load on the directory servers,
+ especially when directory guards are in use. Closes ticket 9969.
+ - When downloading server- or microdescriptors over a tunneled
+ connection, do not limit the length of our requests to what the
+ Squid proxy is willing to handle. Part of ticket 9969.
+ - Authorities can now vote on the correct digests and latest
+ versions for different software packages. This allows packages
+ that include Tor to use the Tor authority system as a way to get
+ notified of updates and their correct digests. Implements proposal
+ 227. Closes ticket 10395.
+
+ o Major features (guards):
+ - Introduce the Guardfraction feature to improves load balancing on
+ guard nodes. Specifically, it aims to reduce the traffic gap that
+ guard nodes experience when they first get the Guard flag. This is
+ a required step if we want to increase the guard lifetime to 9
+ months or greater. Closes ticket 9321.
+
+ o Major features (hidden services):
+ - Make HS port scanning more difficult by immediately closing the
+ circuit when a user attempts to connect to a nonexistent port.
+ Closes ticket 13667.
+ - Add a HiddenServiceStatistics option that allows Tor relays to
+ gather and publish statistics about the overall size and volume of
+ hidden service usage. Specifically, when this option is turned on,
+ an HSDir will publish an approximate number of hidden services
+ that have published descriptors to it the past 24 hours. Also, if
+ a relay has acted as a hidden service rendezvous point, it will
+ publish the approximate amount of rendezvous cells it has relayed
+ the past 24 hours. The statistics themselves are obfuscated so
+ that the exact values cannot be derived. For more details see
+ proposal 238, "Better hidden service stats from Tor relays". This
+ feature is currently disabled by default. Implements feature 13192.
+
+ o Major features (performance):
+ - Make the CPU worker implementation more efficient by avoiding the
+ kernel and lengthening pipelines. The original implementation used
+ sockets to transfer data from the main thread to the workers, and
+ didn't allow any thread to be assigned more than a single piece of
+ work at once. The new implementation avoids communications
+ overhead by making requests in shared memory, avoiding kernel IO
+ where possible, and keeping more requests in flight at once.
+ Implements ticket 9682.
+
+ o Major features (relay):
+ - Raise the minimum acceptable configured bandwidth rate for bridges
+ to 50 KiB/sec and for relays to 75 KiB/sec. (The old values were
+ 20 KiB/sec.) Closes ticket 13822.
+ - Complete revision of the code that relays use to decide which cell
+ to send next. Formerly, we selected the best circuit to write on
+ each channel, but we didn't select among channels in any
+ sophisticated way. Now, we choose the best circuits globally from
+ among those whose channels are ready to deliver traffic.
+
+ This patch implements a new inter-cmux comparison API, a global
+ high/low watermark mechanism and a global scheduler loop for
+ transmission prioritization across all channels as well as among
+ circuits on one channel. This schedule is currently tuned to
+ (tolerantly) avoid making changes in network performance, but it
+ should form the basis for major circuit performance increases in
+ the future. Code by Andrea; tuning by Rob Jansen; implements
+ ticket 9262.
+
+ o Major features (sample torrc):
+ - Add a new, infrequently-changed "torrc.minimal". This file is
+ similar to torrc.sample, but it will change as infrequently as
+ possible, for the benefit of users whose systems prompt them for
+ intervention whenever a default configuration file is changed.
+ Making this change allows us to update torrc.sample to be a more
+ generally useful "sample torrc".
+
+ o Major features (security, unix domain sockets):
+ - Allow SocksPort to be an AF_UNIX Unix Domain Socket. Now high risk
+ applications can reach Tor without having to create AF_INET or
+ AF_INET6 sockets, meaning they can completely disable their
+ ability to make non-Tor network connections. To create a socket of
+ this type, use "SocksPort unix:/path/to/socket". Implements
+ ticket 12585.
+ - Support mapping hidden service virtual ports to AF_UNIX sockets.
+ The syntax is "HiddenServicePort 80 unix:/path/to/socket".
+ Implements ticket 11485.
+
+ o Major bugfixes (client, automap):
+ - Repair automapping with IPv6 addresses. This automapping should
+ have worked previously, but one piece of debugging code that we
+ inserted to detect a regression actually caused the regression to
+ manifest itself again. Fixes bug 13811 and bug 12831; bugfix on
+ 0.2.4.7-alpha. Diagnosed and fixed by Francisco Blas
+ Izquierdo Riera.
+
+ o Major bugfixes (crash, OSX, security):
+ - Fix a remote denial-of-service opportunity caused by a bug in
+ OSX's _strlcat_chk() function. Fixes bug 15205; bug first appeared
+ in OSX 10.9.
+
+ o Major bugfixes (directory authorities):
+ - Do not assign the HSDir flag to relays if they are not Valid, or
+ currently hibernating. Fixes 12573; bugfix on 0.2.0.10-alpha.
+
+ o Major bugfixes (directory bandwidth performance):
+ - Don't flush the zlib buffer aggressively when compressing
+ directory information for clients. This should save about 7% of
+ the bandwidth currently used for compressed descriptors and
+ microdescriptors. Fixes bug 11787; bugfix on 0.1.1.23.
+
+ o Major bugfixes (exit node stability):
+ - Fix an assertion failure that could occur under high DNS load.
+ Fixes bug 14129; bugfix on Tor 0.0.7rc1. Found by "jowr";
+ diagnosed and fixed by "cypherpunks".
+
+ o Major bugfixes (FreeBSD IPFW transparent proxy):
+ - Fix address detection with FreeBSD transparent proxies, when
+ "TransProxyType ipfw" is in use. Fixes bug 15064; bugfix
+ on 0.2.5.4-alpha.
+
+ o Major bugfixes (hidden services):
+ - When closing an introduction circuit that was opened in parallel
+ with others, don't mark the introduction point as unreachable.
+ Previously, the first successful connection to an introduction
+ point would make the other introduction points get marked as
+ having timed out. Fixes bug 13698; bugfix on 0.0.6rc2.
+
+ o Major bugfixes (Linux seccomp2 sandbox):
+ - Upon receiving sighup with the seccomp2 sandbox enabled, do not
+ crash during attempts to call wait4. Fixes bug 15088; bugfix on
+ 0.2.5.1-alpha. Patch from "sanic".
+
+ o Major bugfixes (mixed relay-client operation):
+ - When running as a relay and client at the same time (not
+ recommended), if we decide not to use a new guard because we want
+ to retry older guards, only close the locally-originating circuits
+ passing through that guard. Previously we would close all the
+ circuits through that guard. Fixes bug 9819; bugfix on
+ 0.2.1.1-alpha. Reported by "skruffy".
+
+ o Major bugfixes (relay, stability, possible security):
+ - Fix a bug that could lead to a relay crashing with an assertion
+ failure if a buffer of exactly the wrong layout is passed to
+ buf_pullup() at exactly the wrong time. Fixes bug 15083; bugfix on
+ 0.2.0.10-alpha. Patch from "cypherpunks".
+ - Do not assert if the 'data' pointer on a buffer is advanced to the
+ very end of the buffer; log a BUG message instead. Only assert if
+ it is past that point. Fixes bug 15083; bugfix on 0.2.0.10-alpha.
+
+ o Minor features (build):
+ - New --disable-system-torrc compile-time option to prevent Tor from
+ looking for the system-wide torrc or torrc-defaults files.
+ Resolves ticket 13037.
+
+ o Minor features (client):
+ - Clients are now willing to send optimistic data (before they
+ receive a 'connected' cell) to relays of any version. (Relays
+ without support for optimistic data are no longer supported on the
+ Tor network.) Resolves ticket 13153.
+
+ o Minor features (client):
+ - Validate hostnames in SOCKS5 requests more strictly. If SafeSocks
+ is enabled, reject requests with IP addresses as hostnames.
+ Resolves ticket 13315.
+
+ o Minor features (controller):
+ - Add a "SIGNAL HEARTBEAT" controller command that tells Tor to
+ write an unscheduled heartbeat message to the log. Implements
+ feature 9503.
+ - Include SOCKS_USERNAME and SOCKS_PASSWORD values in controller
+ events so controllers can observe circuit isolation inputs. Closes
+ ticket 8405.
+ - ControlPort now supports the unix:/path/to/socket syntax as an
+ alternative to the ControlSocket option, for consistency with
+ SocksPort and HiddenServicePort. Closes ticket 14451.
+ - New "GETINFO bw-event-cache" to get information about recent
+ bandwidth events. Closes ticket 14128. Useful for controllers to
+ get recent bandwidth history after the fix for ticket 13988.
+ - Messages about problems in the bootstrap process now include
+ information about the server we were trying to connect to when we
+ noticed the problem. Closes ticket 15006.
+
+ o Minor features (Denial of service resistance):
+ - Count the total number of bytes used storing hidden service
+ descriptors against the value of MaxMemInQueues. If we're low on
+ memory, and more than 20% of our memory is used holding hidden
+ service descriptors, free them until no more than 10% of our
+ memory holds hidden service descriptors. Free the least recently
+ fetched descriptors first. Resolves ticket 13806.
+ - When we have recently been under memory pressure (over 3/4 of
+ MaxMemInQueues is allocated), then allocate smaller zlib objects
+ for small requests. Closes ticket 11791.
+
+ o Minor features (directory authorities):
+ - Don't list relays with a bandwidth estimate of 0 in the consensus.
+ Implements a feature proposed during discussion of bug 13000.
+ - In tor-gencert, report an error if the user provides the same
+ argument more than once.
+ - If a directory authority can't find a best consensus method in the
+ votes that it holds, it now falls back to its favorite consensus
+ method. Previously, it fell back to method 1. Neither of these is
+ likely to get enough signatures, but "fall back to favorite"
+ doesn't require us to maintain support an obsolete consensus
+ method. Implements part of proposal 215.
+
+ o Minor features (geoip):
+ - Update geoip to the March 3 2015 Maxmind GeoLite2 Country database.
+ - Update geoip6 to the March 3 2015 Maxmind GeoLite2
+ Country database.
+
+ o Minor features (guard nodes):
+ - Reduce the time delay before saving guard status to disk from 10
+ minutes to 30 seconds (or from one hour to 10 minutes if
+ AvoidDiskWrites is set). Closes ticket 12485.
+
+ o Minor features (hidden service):
+ - Make Sybil attacks against hidden services harder by changing the
+ minimum time required to get the HSDir flag from 25 hours up to 96
+ hours. Addresses ticket 14149.
+ - New option "HiddenServiceAllowUnknownPorts" to allow hidden
+ services to disable the anti-scanning feature introduced in
+ 0.2.6.2-alpha. With this option not set, a connection to an
+ unlisted port closes the circuit. With this option set, only a
+ RELAY_DONE cell is sent. Closes ticket 14084.
+ - When re-enabling the network, don't try to build introduction
+ circuits until we have successfully built a circuit. This makes
+ hidden services come up faster when the network is re-enabled.
+ Patch from "akwizgran". Closes ticket 13447.
+ - When we fail to retrieve a hidden service descriptor, send the
+ controller an "HS_DESC FAILED" controller event. Implements
+ feature 13212.
+ - New HiddenServiceDirGroupReadable option to cause hidden service
+ directories and hostname files to be created group-readable. Patch
+ from "anon", David Stainton, and "meejah". Closes ticket 11291.
+
+ o Minor features (interface):
+ - Implement "-f -" command-line option to read torrc configuration
+ from standard input, if you don't want to store the torrc file in
+ the file system. Implements feature 13865.
+
+ o Minor features (logging):
+ - Add a count of unique clients to the bridge heartbeat message.
+ Resolves ticket 6852.
+ - Suppress "router info incompatible with extra info" message when
+ reading extrainfo documents from cache. (This message got loud
+ around when we closed bug 9812 in 0.2.6.2-alpha.) Closes
+ ticket 13762.
+ - Elevate hidden service authorized-client message from DEBUG to
+ INFO. Closes ticket 14015.
+ - On Unix-like systems, you can now use named pipes as the target of
+ the Log option, and other options that try to append to files.
+ Closes ticket 12061. Patch from "carlo von lynX".
+ - When opening a log file at startup, send it every log message that
+ we generated between startup and opening it. Previously, log
+ messages that were generated before opening the log file were only
+ logged to stdout. Closes ticket 6938.
+ - Add a TruncateLogFile option to overwrite logs instead of
+ appending to them. Closes ticket 5583.
+ - Quiet some log messages in the heartbeat and at startup. Closes
+ ticket 14950.
+
+ o Minor features (portability, Solaris):
+ - Threads are no longer disabled by default on Solaris; we believe
+ that the versions of Solaris with broken threading support are all
+ obsolete by now. Resolves ticket 9495.
+
+ o Minor features (relay):
+ - Re-check our address after we detect a changed IP address from
+ getsockname(). This ensures that the controller command "GETINFO
+ address" will report the correct value. Resolves ticket 11582.
+ Patch from "ra".
+ - A new AccountingRule option lets Relays set whether they'd like
+ AccountingMax to be applied separately to inbound and outbound
+ traffic, or applied to the sum of inbound and outbound traffic.
+ Resolves ticket 961. Patch by "chobe".
+ - When identity keypair is generated for first time, log a
+ congratulatory message that links to the new relay lifecycle
+ document. Implements feature 10427.
+
+ o Minor features (security, memory wiping):
+ - Ensure we securely wipe keys from memory after
+ crypto_digest_get_digest and init_curve25519_keypair_from_file
+ have finished using them. Resolves ticket 13477.
+
+ o Minor features (security, out-of-memory handling):
+ - When handling an out-of-memory condition, allocate less memory for
+ temporary data structures. Fixes issue 10115.
+ - When handling an out-of-memory condition, consider more types of
+ buffers, including those on directory connections, and zlib
+ buffers. Resolves ticket 11792.
+
+ o Minor features (stability):
+ - Add assertions in our hash-table iteration code to check for
+ corrupted values that could cause infinite loops. Closes
+ ticket 11737.
+
+ o Minor features (systemd):
+ - Various improvements and modernizations in systemd hardening
+ support. Closes ticket 13805. Patch from Craig Andrews.
+ - Where supported, when running with systemd, report successful
+ startup to systemd. Part of ticket 11016. Patch by Michael Scherer.
+ - When running with systemd, support systemd watchdog messages. Part
+ of ticket 11016. Patch by Michael Scherer.
+
+ o Minor features (testing networks):
+ - Add the TestingDirAuthVoteExit option, which lists nodes to assign
+ the "Exit" flag regardless of their uptime, bandwidth, or exit
+ policy. TestingTorNetwork must be set for this option to have any
+ effect. Previously, authorities would take up to 35 minutes to
+ give nodes the Exit flag in a test network. Partially implements
+ ticket 13161.
+ - Drop the minimum RendPostPeriod on a testing network to 5 seconds,
+ and the default on a testing network to 2 minutes. Drop the
+ MIN_REND_INITIAL_POST_DELAY on a testing network to 5 seconds, but
+ keep the default on a testing network at 30 seconds. This reduces
+ HS bootstrap time to around 25 seconds. Also, change the default
+ time in test-network.sh to match. Closes ticket 13401. Patch
+ by "teor".
+ - Create TestingDirAuthVoteHSDir to correspond to
+ TestingDirAuthVoteExit/Guard. Ensures that authorities vote the
+ HSDir flag for the listed relays regardless of uptime or ORPort
+ connectivity. Respects the value of VoteOnHidServDirectoriesV2.
+ Partial implementation for ticket 14067. Patch by "teor".
+
+ o Minor features (tor2web mode):
+ - Introduce the config option Tor2webRendezvousPoints, which allows
+ clients in Tor2webMode to select a specific Rendezvous Point to be
+ used in HS circuits. This might allow better performance for
+ Tor2Web nodes. Implements ticket 12844.
+
+ o Minor features (transparent proxy):
+ - Update the transparent proxy option checks to allow for both ipfw
+ and pf on OS X. Closes ticket 14002.
+ - Use the correct option when using IPv6 with transparent proxy
+ support on Linux. Resolves 13808. Patch by Francisco Blas
+ Izquierdo Riera.
+
+ o Minor features (validation):
+ - Check all date/time values passed to tor_timegm and
+ parse_rfc1123_time for validity, taking leap years into account.
+ Improves HTTP header validation. Implemented with bug 13476.
+ - In correct_tm(), limit the range of values returned by system
+ localtime(_r) and gmtime(_r) to be between the years 1 and 8099.
+ This means we don't have to deal with negative or too large dates,
+ even if a clock is wrong. Otherwise we might fail to read a file
+ written by us which includes such a date. Fixes bug 13476.
+ - Stop allowing invalid address patterns like "*/24" that contain
+ both a wildcard address and a bit prefix length. This affects all
+ our address-range parsing code. Fixes bug 7484; bugfix
+ on 0.0.2pre14.
+
+ o Minor bugfixes (bridge clients):
+ - When configured to use a bridge without an identity digest (not
+ recommended), avoid launching an extra channel to it when
+ bootstrapping. Fixes bug 7733; bugfix on 0.2.4.4-alpha.
+
+ o Minor bugfixes (bridges):
+ - When DisableNetwork is set, do not launch pluggable transport
+ plugins, and if any are running, terminate them. Fixes bug 13213;
+ bugfix on 0.2.3.6-alpha.
+
+ o Minor bugfixes (C correctness):
+ - Fix several instances of possible integer overflow/underflow/NaN.
+ Fixes bug 13104; bugfix on 0.2.3.1-alpha and later. Patches
+ from "teor".
+ - In circuit_build_times_calculate_timeout() in circuitstats.c,
+ avoid dividing by zero in the pareto calculations. This traps
+ under clang's "undefined-trap" sanitizer. Fixes bug 13290; bugfix
+ on 0.2.2.2-alpha.
+ - Fix an integer overflow in format_time_interval(). Fixes bug
+ 13393; bugfix on 0.2.0.10-alpha.
+ - Set the correct day of year value when the system's localtime(_r)
+ or gmtime(_r) functions fail to set struct tm. Not externally
+ visible. Fixes bug 13476; bugfix on 0.0.2pre14.
+ - Avoid unlikely signed integer overflow in tor_timegm on systems
+ with 32-bit time_t. Fixes bug 13476; bugfix on 0.0.2pre14.
+
+ o Minor bugfixes (certificate handling):
+ - If an authority operator accidentally makes a signing certificate
+ with a future publication time, do not discard its real signing
+ certificates. Fixes bug 11457; bugfix on 0.2.0.3-alpha.
+ - Remove any old authority certificates that have been superseded
+ for at least two days. Previously, we would keep superseded
+ certificates until they expired, if they were published close in
+ time to the certificate that superseded them. Fixes bug 11454;
+ bugfix on 0.2.1.8-alpha.
+
+ o Minor bugfixes (client):
+ - Fix smartlist_choose_node_by_bandwidth() so that relays with the
+ BadExit flag are not considered worthy candidates. Fixes bug
+ 13066; bugfix on 0.1.2.3-alpha.
+ - Use the consensus schedule for downloading consensuses, and not
+ the generic schedule. Fixes bug 11679; bugfix on 0.2.2.6-alpha.
+ - Handle unsupported or malformed SOCKS5 requests properly by
+ responding with the appropriate error message before closing the
+ connection. Fixes bugs 12971 and 13314; bugfix on 0.0.2pre13.
+
+ o Minor bugfixes (client, automapping):
+ - Avoid crashing on torrc lines for VirtualAddrNetworkIPv[4|6] when
+ no value follows the option. Fixes bug 14142; bugfix on
+ 0.2.4.7-alpha. Patch by "teor".
+ - Fix a memory leak when using AutomapHostsOnResolve. Fixes bug
+ 14195; bugfix on 0.1.0.1-rc.
+ - Prevent changes to other options from removing the wildcard value
+ "." from "AutomapHostsSuffixes". Fixes bug 12509; bugfix
+ on 0.2.0.1-alpha.
+ - Allow MapAddress and AutomapHostsOnResolve to work together when
+ an address is mapped into another address type (like .onion) that
+ must be automapped at resolve time. Fixes bug 7555; bugfix
+ on 0.2.0.1-alpha.
+
+ o Minor bugfixes (client, bridges):
+ - When we are using bridges and we had a network connectivity
+ problem, only retry connecting to our currently configured
+ bridges, not all bridges we know about and remember using. Fixes
+ bug 14216; bugfix on 0.2.2.17-alpha.
+
+ o Minor bugfixes (client, DNS):
+ - Report the correct cached DNS expiration times on SOCKS port or in
+ DNS replies. Previously, we would report everything as "never
+ expires." Fixes bug 14193; bugfix on 0.2.3.17-beta.
+ - Avoid a small memory leak when we find a cached answer for a
+ reverse DNS lookup in a client-side DNS cache. (Remember, client-
+ side DNS caching is off by default, and is not recommended.) Fixes
+ bug 14259; bugfix on 0.2.0.1-alpha.
+
+ o Minor bugfixes (client, IPv6):
+ - Reject socks requests to literal IPv6 addresses when IPv6Traffic
+ flag is not set; and not because the NoIPv4Traffic flag was set.
+ Previously we'd looked at the NoIPv4Traffic flag for both types of
+ literal addresses. Fixes bug 14280; bugfix on 0.2.4.7-alpha.
+
+ o Minor bugfixes (client, microdescriptors):
+ - Use a full 256 bits of the SHA256 digest of a microdescriptor when
+ computing which microdescriptors to download. This keeps us from
+ erroneous download behavior if two microdescriptor digests ever
+ have the same first 160 bits. Fixes part of bug 13399; bugfix
+ on 0.2.3.1-alpha.
+ - Reset a router's status if its microdescriptor digest changes,
+ even if the first 160 bits remain the same. Fixes part of bug
+ 13399; bugfix on 0.2.3.1-alpha.
+
+ o Minor bugfixes (client, torrc):
+ - Stop modifying the value of our DirReqStatistics torrc option just
+ because we're not a bridge or relay. This bug was causing Tor
+ Browser users to write "DirReqStatistics 0" in their torrc files
+ as if they had chosen to change the config. Fixes bug 4244; bugfix
+ on 0.2.3.1-alpha.
+ - When GeoIPExcludeUnknown is enabled, do not incorrectly decide
+ that our options have changed every time we SIGHUP. Fixes bug
+ 9801; bugfix on 0.2.4.10-alpha. Patch from "qwerty1".
+
+ o Minor bugfixes (compilation):
+ - Fix a compilation warning on s390. Fixes bug 14988; bugfix
+ on 0.2.5.2-alpha.
+ - Silence clang warnings under --enable-expensive-hardening,
+ including implicit truncation of 64 bit values to 32 bit, const
+ char assignment to self, tautological compare, and additional
+ parentheses around equality tests. Fixes bug 13577; bugfix
+ on 0.2.5.4-alpha.
+ - Fix a clang warning about checking whether an address in the
+ middle of a structure is NULL. Fixes bug 14001; bugfix
+ on 0.2.1.2-alpha.
+ - The address of an array in the middle of a structure will always
+ be non-NULL. clang recognises this and complains. Disable the
+ tautologous and redundant check to silence this warning. Fixes bug
+ 14001; bugfix on 0.2.1.2-alpha.
+ - Compile correctly with (unreleased) OpenSSL 1.1.0 headers.
+ Addresses ticket 14188.
+ - Build without warnings with the stock OpenSSL srtp.h header, which
+ has a duplicate declaration of SSL_get_selected_srtp_profile().
+ Fixes bug 14220; this is OpenSSL's bug, not ours.
+ - Do not compile any code related to Tor2Web mode when Tor2Web mode
+ is not enabled at compile time. Previously, this code was included
+ in a disabled state. See discussion on ticket 12844.
+ - Allow our configure script to build correctly with autoconf 2.62
+ again. Fixes bug 12693; bugfix on 0.2.5.2-alpha.
+ - Improve the error message from ./configure to make it clear that
+ when asciidoc has not been found, the user will have to either add
+ --disable-asciidoc argument or install asciidoc. Resolves
+ ticket 13228.
+
+ o Minor bugfixes (controller):
+ - Report "down" in response to the "GETINFO entry-guards" command
+ when relays are down with an unreachable_since value. Previously,
+ we would report "up". Fixes bug 14184; bugfix on 0.1.2.2-alpha.
+ - Avoid crashing on a malformed EXTENDCIRCUIT command. Fixes bug
+ 14116; bugfix on 0.2.2.9-alpha.
+
+ o Minor bugfixes (controller):
+ - Return an error when the second or later arguments of the
+ "setevents" controller command are invalid events. Previously we
+ would return success while silently skipping invalid events. Fixes
+ bug 13205; bugfix on 0.2.3.2-alpha. Reported by "fpxnns".
+
+ o Minor bugfixes (directory authority):
+ - Allow directory authorities to fetch more data from one another if
+ they find themselves missing lots of votes. Previously, they had
+ been bumping against the 10 MB queued data limit. Fixes bug 14261;
+ bugfix on 0.1.2.5-alpha.
+ - Do not attempt to download extrainfo documents which we will be
+ unable to validate with a matching server descriptor. Fixes bug
+ 13762; bugfix on 0.2.0.1-alpha.
+ - Fix a bug that was truncating AUTHDIR_NEWDESC events sent to the
+ control port. Fixes bug 14953; bugfix on 0.2.0.1-alpha.
+ - Enlarge the buffer to read bwauth generated files to avoid an
+ issue when parsing the file in dirserv_read_measured_bandwidths().
+ Fixes bug 14125; bugfix on 0.2.2.1-alpha.
+ - When running as a v3 directory authority, advertise that you serve
+ extra-info documents so that clients who want them can find them
+ from you too. Fixes part of bug 11683; bugfix on 0.2.0.1-alpha.
+
+ o Minor bugfixes (directory system):
+ - Always believe that v3 directory authorities serve extra-info
+ documents, whether they advertise "caches-extra-info" or not.
+ Fixes part of bug 11683; bugfix on 0.2.0.1-alpha.
+ - Check the BRIDGE_DIRINFO flag bitwise rather than using equality.
+ Previously, directories offering BRIDGE_DIRINFO and some other
+ flag (i.e. microdescriptors or extrainfo) would be ignored when
+ looking for bridges. Partially fixes bug 13163; bugfix
+ on 0.2.0.7-alpha.
+
+ o Minor bugfixes (file handling):
+ - Stop failing when key files are zero-length. Instead, generate new
+ keys, and overwrite the empty key files. Fixes bug 13111; bugfix
+ on all versions of Tor. Patch by "teor".
+ - Stop generating a fresh .old RSA onion key file when the .old file
+ is missing. Fixes part of 13111; bugfix on 0.0.6rc1.
+ - Avoid overwriting .old key files with empty key files.
+ - Skip loading zero-length extrainfo store, router store, stats,
+ state, and key files.
+ - Avoid crashing when trying to reload a torrc specified as a
+ relative path with RunAsDaemon turned on. Fixes bug 13397; bugfix
+ on 0.2.3.11-alpha.
+
+ o Minor bugfixes (hidden services):
+ - Close the introduction circuit when we have no more usable intro
+ points, instead of waiting for it to time out. This also ensures
+ that no follow-up HS descriptor fetch is triggered when the
+ circuit eventually times out. Fixes bug 14224; bugfix on 0.0.6.
+ - When fetching a hidden service descriptor for a down service that
+ was recently up, do not keep refetching until we try the same
+ replica twice in a row. Fixes bug 14219; bugfix on 0.2.0.10-alpha.
+ - Correctly send a controller event when we find that a rendezvous
+ circuit has finished. Fixes bug 13936; bugfix on 0.1.1.5-alpha.
+ - Pre-check directory permissions for new hidden-services to avoid
+ at least one case of "Bug: Acting on config options left us in a
+ broken state. Dying." Fixes bug 13942; bugfix on 0.0.6pre1.
+ - When fetching hidden service descriptors, we now check not only
+ for whether we got the hidden service we had in mind, but also
+ whether we got the particular descriptors we wanted. This prevents
+ a class of inefficient but annoying DoS attacks by hidden service
+ directories. Fixes bug 13214; bugfix on 0.2.1.6-alpha. Reported
+ by "special".
+
+ o Minor bugfixes (Linux seccomp2 sandbox):
+ - Make transparent proxy support work along with the seccomp2
+ sandbox. Fixes part of bug 13808; bugfix on 0.2.5.1-alpha. Patch
+ by Francisco Blas Izquierdo Riera.
+ - Fix a memory leak in tor-resolve when running with the sandbox
+ enabled. Fixes bug 14050; bugfix on 0.2.5.9-rc.
+ - Allow glibc fatal errors to be sent to stderr before Tor exits.
+ Previously, glibc would try to write them to /dev/tty, and the
+ sandbox would trap the call and make Tor exit prematurely. Fixes
+ bug 14759; bugfix on 0.2.5.1-alpha.
+
+ o Minor bugfixes (logging):
+ - Avoid crashing when there are more log domains than entries in
+ domain_list. Bugfix on 0.2.3.1-alpha.
+ - Downgrade warnings about RSA signature failures to info log level.
+ Emit a warning when an extra info document is found incompatible
+ with a corresponding router descriptor. Fixes bug 9812; bugfix
+ on 0.0.6rc3.
+ - Make connection_ap_handshake_attach_circuit() log the circuit ID
+ correctly. Fixes bug 13701; bugfix on 0.0.6.
+
+ o Minor bugfixes (networking):
+ - Check for orconns and use connection_or_close_for_error() rather
+ than connection_mark_for_close() directly in the getsockopt()
+ failure case of connection_handle_write_impl(). Fixes bug 11302;
+ bugfix on 0.2.4.4-alpha.
+
+ o Minor bugfixes (parsing):
+ - Stop accepting milliseconds (or other junk) at the end of
+ descriptor publication times. Fixes bug 9286; bugfix on 0.0.2pre25.
+ - Support two-number and three-number version numbers correctly, in
+ case we change the Tor versioning system in the future. Fixes bug
+ 13661; bugfix on 0.0.8pre1.
+
+ o Minor bugfixes (portability):
+ - Fix the ioctl()-based network interface lookup code so that it
+ will work on systems that have variable-length struct ifreq, for
+ example Mac OS X.
+
+ o Minor bugfixes (preventative security, C safety):
+ - When reading a hexadecimal, base-32, or base-64 encoded value from
+ a string, always overwrite the whole output buffer. This prevents
+ some bugs where we would look at (but fortunately, not reveal)
+ uninitialized memory on the stack. Fixes bug 14013; bugfix on all
+ versions of Tor.
+ - Clear all memory targetted by tor_addr_{to,from}_sockaddr(), not
+ just the part that's used. This makes it harder for data leak bugs
+ to occur in the event of other programming failures. Resolves
+ ticket 14041.
+
+ o Minor bugfixes (relay):
+ - When generating our family list, remove spaces from around the
+ entries. Fixes bug 12728; bugfix on 0.2.1.7-alpha.
+ - If our previous bandwidth estimate was 0 bytes, allow publishing a
+ new relay descriptor immediately. Fixes bug 13000; bugfix
+ on 0.1.1.6-alpha.
+
+ o Minor bugfixes (shutdown):
+ - When shutting down, always call event_del() on lingering read or
+ write events before freeing them. Otherwise, we risk double-frees
+ or read-after-frees in event_base_free(). Fixes bug 12985; bugfix
+ on 0.1.0.2-rc.
+
+ o Minor bugfixes (small memory leaks):
+ - Avoid leaking memory when using IPv6 virtual address mappings.
+ Fixes bug 14123; bugfix on 0.2.4.7-alpha. Patch by Tom van
+ der Woerdt.
+
+ o Minor bugfixes (statistics):
+ - Increase period over which bandwidth observations are aggregated
+ from 15 minutes to 4 hours. Fixes bug 13988; bugfix on 0.0.8pre1.
+
+ o Minor bugfixes (systemd support):
+ - Run correctly under systemd with the RunAsDaemon option set. Fixes
+ part of bug 14141; bugfix on 0.2.5.7-rc. Patch from Tomasz Torcz.
+ - Inform the systemd supervisor about more changes in the Tor
+ process status. Implements part of ticket 14141. Patch from
+ Tomasz Torcz.
+
+ o Minor bugfixes (testing networks):
+ - Fix TestingDirAuthVoteGuard to properly give out Guard flags in a
+ testing network. Fixes bug 13064; bugfix on 0.2.5.2-alpha.
+ - Stop using the default authorities in networks which provide both
+ AlternateDirAuthority and AlternateBridgeAuthority. Partially
+ fixes bug 13163; bugfix on 0.2.0.13-alpha.
+
+ o Minor bugfixes (testing networks, fast startup):
+ - Allow Tor to build circuits using a consensus with no exits. If
+ the consensus has no exits (typical of a bootstrapping test
+ network), allow Tor to build circuits once enough descriptors have
+ been downloaded. This assists in bootstrapping a testing Tor
+ network. Fixes bug 13718; bugfix on 0.2.4.10-alpha. Patch
+ by "teor".
+ - When V3AuthVotingInterval is low, give a lower If-Modified-Since
+ header to directory servers. This allows us to obtain consensuses
+ promptly when the consensus interval is very short. This assists
+ in bootstrapping a testing Tor network. Fixes parts of bugs 13718
+ and 13963; bugfix on 0.2.0.3-alpha. Patch by "teor".
+ - Stop assuming that private addresses are local when checking
+ reachability in a TestingTorNetwork. Instead, when testing, assume
+ all OR connections are remote. (This is necessary due to many test
+ scenarios running all relays on localhost.) This assists in
+ bootstrapping a testing Tor network. Fixes bug 13924; bugfix on
+ 0.1.0.1-rc. Patch by "teor".
+ - Avoid building exit circuits from a consensus with no exits. Now
+ thanks to our fix for 13718, we accept a no-exit network as not
+ wholly lost, but we need to remember not to try to build exit
+ circuits on it. Closes ticket 13814; patch by "teor".
+ - Stop requiring exits to have non-zero bandwithcapacity in a
+ TestingTorNetwork. Instead, when TestingMinExitFlagThreshold is 0,
+ ignore exit bandwidthcapacity. This assists in bootstrapping a
+ testing Tor network. Fixes parts of bugs 13718 and 13839; bugfix
+ on 0.2.0.3-alpha. Patch by "teor".
+ - Add "internal" to some bootstrap statuses when no exits are
+ available. If the consensus does not contain Exits, Tor will only
+ build internal circuits. In this case, relevant statuses will
+ contain the word "internal" as indicated in the Tor control-
+ spec.txt. When bootstrap completes, Tor will be ready to build
+ internal circuits. If a future consensus contains Exits, exit
+ circuits may become available. Fixes part of bug 13718; bugfix on
+ 0.2.4.10-alpha. Patch by "teor".
+ - Decrease minimum consensus interval to 10 seconds when
+ TestingTorNetwork is set, or 5 seconds for the first consensus.
+ Fix assumptions throughout the code that assume larger intervals.
+ Fixes bugs 13718 and 13823; bugfix on 0.2.0.3-alpha. Patch
+ by "teor".
+ - Avoid excluding guards from path building in minimal test
+ networks, when we're in a test network and excluding guards would
+ exclude all relays. This typically occurs in incredibly small tor
+ networks, and those using "TestingAuthVoteGuard *". Fixes part of
+ bug 13718; bugfix on 0.1.1.11-alpha. Patch by "teor".
+
+ o Minor bugfixes (testing):
+ - Avoid a side-effect in a tor_assert() in the unit tests. Fixes bug
+ 15188; bugfix on 0.1.2.3-alpha. Patch from Tom van der Woerdt.
+ - Stop spawn test failures due to a race condition between the
+ SIGCHLD handler updating the process status, and the test reading
+ it. Fixes bug 13291; bugfix on 0.2.3.3-alpha.
+ - Avoid passing an extra backslash when creating a temporary
+ directory for running the unit tests on Windows. Fixes bug 12392;
+ bugfix on 0.2.2.25-alpha. Patch from Gisle Vanem.
+
+ o Minor bugfixes (TLS):
+ - Check more thoroughly throughout the TLS code for possible
+ unlogged TLS errors. Possible diagnostic or fix for bug 13319.
+
+ o Minor bugfixes (transparent proxy):
+ - Use getsockname, not getsockopt, to retrieve the address for a
+ TPROXY-redirected connection. Fixes bug 13796; bugfix
+ on 0.2.5.2-alpha.
+
+ o Minor bugfixes (windows):
+ - Remove code to special-case handling of NTE_BAD_KEYSET when
+ acquiring windows CryptoAPI context. This error can't actually
+ occur for the parameters we're providing. Fixes bug 10816; bugfix
+ on 0.0.2pre26.
+
+ o Minor bugfixes (zlib):
+ - Avoid truncating a zlib stream when trying to finalize it with an
+ empty output buffer. Fixes bug 11824; bugfix on 0.1.1.23.
+
+ o Code simplification and refactoring:
+ - Change the entry_is_live() function to take named bitfield
+ elements instead of an unnamed list of booleans. Closes
+ ticket 12202.
+ - Refactor and unit-test entry_is_time_to_retry() in entrynodes.c.
+ Resolves ticket 12205.
+ - Use calloc and reallocarray functions instead of multiply-
+ then-malloc. This makes it less likely for us to fall victim to an
+ integer overflow attack when allocating. Resolves ticket 12855.
+ - Use the standard macro name SIZE_MAX, instead of our
+ own SIZE_T_MAX.
+ - Document usage of the NO_DIRINFO and ALL_DIRINFO flags clearly in
+ functions which take them as arguments. Replace 0 with NO_DIRINFO
+ in a function call for clarity. Seeks to prevent future issues
+ like 13163.
+ - Avoid 4 null pointer errors under clang static analysis by using
+ tor_assert() to prove that the pointers aren't null. Fixes
+ bug 13284.
+ - Rework the API of policies_parse_exit_policy() to use a bitmask to
+ represent parsing options, instead of a confusing mess of
+ booleans. Resolves ticket 8197.
+ - Introduce a helper function to parse ExitPolicy in
+ or_options_t structure.
+ - Move fields related to isolating and configuring client ports into
+ a shared structure. Previously, they were duplicated across
+ port_cfg_t, listener_connection_t, and edge_connection_t. Failure
+ to copy them correctly had been the cause of at least one bug in
+ the past. Closes ticket 8546.
+ - Refactor the get_interface_addresses_raw() doom-function into
+ multiple smaller and simpler subfunctions. Cover the resulting
+ subfunctions with unit-tests. Fixes a significant portion of
+ issue 12376.
+ - Remove workaround in dirserv_thinks_router_is_hs_dir() that was
+ only for version <= 0.2.2.24 which is now deprecated. Closes
+ ticket 14202.
+ - Remove a test for a long-defunct broken version-one
+ directory server.
+
+ o Code simplification and refactoring:
+ - Stop using can_complete_circuits as a global variable; access it
+ with a function instead.
+ - Avoid using operators directly as macro arguments: this lets us
+ apply coccinelle transformations to our codebase more directly.
+ Closes ticket 13172.
+ - Combine the functions used to parse ClientTransportPlugin and
+ ServerTransportPlugin into a single function. Closes ticket 6456.
+ - Add inline functions and convenience macros for inspecting channel
+ state. Refactor the code to use convenience macros instead of
+ checking channel state directly. Fixes issue 7356.
+ - Document all members of was_router_added_t and rename
+ ROUTER_WAS_NOT_NEW to ROUTER_IS_ALREADY_KNOWN to make it less
+ confusable with ROUTER_WAS_TOO_OLD. Fixes issue 13644.
+ - In connection_exit_begin_conn(), use END_CIRC_REASON_TORPROTOCOL
+ constant instead of hardcoded value. Fixes issue 13840.
+ - Refactor our generic strmap and digestmap types into a single
+ implementation, so that we can add a new digest256map
+ type trivially.
+ - Add a doc/TUNING document with tips for handling large numbers of
+ TCP connections when running busy Tor relay. Update the warning
+ message to point to this file when running out of sockets
+ operating system is allowing to use simultaneously. Resolves
+ ticket 9708.
+ - Adding section on OpenBSD to our TUNING document. Thanks to mmcc
+ for writing the OpenBSD-specific tips. Resolves ticket 13702.
+ - Make the tor-resolve documentation match its help string and its
+ options. Resolves part of ticket 14325.
+ - Log a more useful error message from tor-resolve when failing to
+ look up a hidden service address. Resolves part of ticket 14325.
+ - Document the bridge-authority-only 'networkstatus-bridges' file.
+ Closes ticket 13713; patch from "tom".
+ - Fix typo in PredictedPortsRelevanceTime option description in
+ manpage. Resolves issue 13707.
+ - Stop suggesting that users specify relays by nickname: it isn't a
+ good idea. Also, properly cross-reference how to specify relays in
+ all parts of manual documenting options that take a list of
+ relays. Closes ticket 13381.
+ - Clarify the HiddenServiceDir option description in manpage to make
+ it clear that relative paths are taken with respect to the current
+ working directory. Also clarify that this behavior is not
+ guaranteed to remain indefinitely. Fixes issue 13913.
+
+ o Distribution (systemd):
+ - systemd unit file: only allow tor to write to /var/lib/tor and
+ /var/log/tor. The rest of the filesystem is accessible for reading
+ only. Patch by intrigeri; resolves ticket 12751.
+ - systemd unit file: ensure that the process and all its children
+ can never gain new privileges. Patch by intrigeri; resolves
+ ticket 12939.
+ - systemd unit file: set up /var/run/tor as writable for the Tor
+ service. Patch by intrigeri; resolves ticket 13196.
+
+ o Downgraded warnings:
+ - Don't warn when we've attempted to contact a relay using the wrong
+ ntor onion key. Closes ticket 9635.
+
+ o Removed code:
+ - Remove some lingering dead code that once supported mempools.
+ Mempools were disabled by default in 0.2.5, and removed entirely
+ in 0.2.6.3-alpha. Closes more of ticket 14848; patch
+ by "cypherpunks".
+
+ o Removed features (directory authorities):
+ - Remove code that prevented authorities from listing Tor relays
+ affected by CVE-2011-2769 as guards. These relays are already
+ rejected altogether due to the minimum version requirement of
+ 0.2.3.16-alpha. Closes ticket 13152.
+ - The "AuthDirRejectUnlisted" option no longer has any effect, as
+ the fingerprints file (approved-routers) has been deprecated.
+ - Directory authorities do not support being Naming dirauths anymore.
+ The "NamingAuthoritativeDir" config option is now obsolete.
+ - Directory authorities do not support giving out the BadDirectory
+ flag anymore.
+ - Directory authorities no longer advertise or support consensus
+ methods 1 through 12 inclusive. These consensus methods were
+ obsolete and/or insecure: maintaining the ability to support them
+ served no good purpose. Implements part of proposal 215; closes
+ ticket 10163.
+
+ o Removed features:
+ - To avoid confusion with the "ExitRelay" option, "ExitNode" is no
+ longer silently accepted as an alias for "ExitNodes".
+ - The --enable-mempool and --enable-buf-freelists options, which
+ were originally created to work around bad malloc implementations,
+ no longer exist. They were off-by-default in 0.2.5. Closes
+ ticket 14848.
+ - We no longer remind the user about configuration options that have
+ been obsolete since 0.2.3.x or earlier. Patch by Adrien Bak.
+ - Remove our old, non-weighted bandwidth-based node selection code.
+ Previously, we used it as a fallback when we couldn't perform
+ weighted bandwidth-based node selection. But that would only
+ happen in the cases where we had no consensus, or when we had a
+ consensus generated by buggy or ancient directory authorities. In
+ either case, it's better to use the more modern, better maintained
+ algorithm, with reasonable defaults for the weights. Closes
+ ticket 13126.
+ - Remove the --disable-curve25519 configure option. Relays and
+ clients now are required to support curve25519 and the
+ ntor handshake.
+ - The old "StrictEntryNodes" and "StrictExitNodes" options, which
+ used to be deprecated synonyms for "StrictNodes", are now marked
+ obsolete. Resolves ticket 12226.
+ - Clients don't understand the BadDirectory flag in the consensus
+ anymore, and ignore it.
+
+ o Removed platform support:
+ - We no longer include special code to build on Windows CE; as far
+ as we know, nobody has used Tor on Windows CE in a very long time.
+ Closes ticket 11446.
+
+ o Testing (test-network.sh):
+ - Stop using "echo -n", as some shells' built-in echo doesn't
+ support "-n". Instead, use "/bin/echo -n". Partially fixes
+ bug 13161.
+ - Stop an apparent test-network hang when used with make -j2. Fixes
+ bug 13331.
+ - Add a --delay option to test-network.sh, which configures the
+ delay before the chutney network tests for data transmission.
+ Partially implements ticket 13161.
+
+ o Testing:
+ - Test that tor does not fail when key files are zero-length. Check
+ that tor generates new keys, and overwrites the empty key files.
+ - Test that tor generates new keys when keys are missing
+ (existing behavior).
+ - Test that tor does not overwrite key files that already contain
+ data (existing behavior). Tests bug 13111. Patch by "teor".
+ - New "make test-stem" target to run stem integration tests.
+ Requires that the "STEM_SOURCE_DIR" environment variable be set.
+ Closes ticket 14107.
+ - Make the test_cmdline_args.py script work correctly on Windows.
+ Patch from Gisle Vanem.
+ - Move the slower unit tests into a new "./src/test/test-slow"
+ binary that can be run independently of the other tests. Closes
+ ticket 13243.
+ - New tests for many parts of channel, relay, and circuitmux
+ functionality. Code by Andrea; part of 9262.
+ - New tests for parse_transport_line(). Part of ticket 6456.
+ - In the unit tests, use chgrp() to change the group of the unit
+ test temporary directory to the current user, so that the sticky
+ bit doesn't interfere with tests that check directory groups.
+ Closes 13678.
+ - Add unit tests for resolve_my_addr(). Part of ticket 12376; patch
+ by 'rl1987'.
+ - Refactor the function that chooses guard nodes so that it can more
+ easily be tested; write some tests for it.
+ - Fix and re-enable the fgets_eagain unit test. Fixes bug 12503;
+ bugfix on 0.2.3.1-alpha. Patch from "cypherpunks."
+ - Create unit tests for format_time_interval(). With bug 13393.
+ - Add unit tests for tor_timegm signed overflow, tor_timegm and
+ parse_rfc1123_time validity checks, correct_tm year clamping. Unit
+ tests (visible) fixes in bug 13476.
+ - Add a "coverage-html" make target to generate HTML-visualized
+ coverage results when building with --enable-coverage. (Requires
+ lcov.) Patch from Kevin Murray.
+ - Enable the backtrace handler (where supported) when running the
+ unit tests.
+ - Revise all unit tests that used the legacy test_* macros to
+ instead use the recommended tt_* macros. This patch was generated
+ with coccinelle, to avoid manual errors. Closes ticket 13119.
+
+
Changes in version 0.2.5.10 - 2014-10-24
Tor 0.2.5.10 is the first stable release in the 0.2.5 series.
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