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Changelog edits. Most of them.
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ChangeLog
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ChangeLog
@ -13,7 +13,7 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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- Tor relays older than 0.2.4.18-rc are no longer allowed to
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advertise themselves on the network. Closes ticket 13555.
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o Major features (security):
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o Major features (security, unix domain sockets):
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- Tor can now expose a SOCKS proxy over an AF_UNIX Unix Domain Socket.
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This allows client
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applications to Tor without having creating
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@ -25,6 +25,9 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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To create a
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socket of this type, use "SocksPort unix:/path/to/socket". Closes
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ticket 12585.
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- Support mapping hidden service virtual ports to AF_UNIX sockets on
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suitable platforms. The syntax is "HiddenServicePort 80
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socket:/path/to/socket". Resolves ticket #11485.
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o Major features (changed defaults):
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- Prevent relay operators from unintentionally running exits: When a
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@ -34,20 +37,15 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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can indicate accidental misconfiguration. Setting 'ExitRelay 0'
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stops Tor from running as an exit relay. Closes ticket 10067.
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o Major features (hidden services):
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- Support mapping hidden service virtual ports to AF_UNIX sockets on
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suitable platforms. The syntax is "HiddenServicePort 80
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socket:/path/to/socket". Resolves ticket #11485.
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o Major features (performance):
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- Refactor the CPU worker implementation for better performance by
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- Make the the CPU worker implementation more efficient by
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avoiding the kernel and lengthening pipelines. The original
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implementation used sockets to transfer data from the main thread
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to the worker threads, and didn't allow any thread to be assigned
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to the workers, and didn't allow any thread to be assigned
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more than a single piece of work at once. The new implementation
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avoids communications overhead by making requests in shared
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memory, avoiding kernel IO where possible, and keeping more
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request in flight at once. Resolves issue #9682.
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requests in flight at once. Resolves issue #9682.
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o Major bugfixes (client):
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- Allow MapAddress and AutomapHostsOnResolve to work together when
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@ -61,57 +59,43 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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diagnosed and fixed by "cypherpunks".
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o Major bugfixes (mixed relay-client operation):
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- When running as a relay and a client at the same time (not
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- When running as a relay and client at the same time (not
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recommended), if we decide not to use a new guard because we want
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to retry older guards, only close the locally-originating circuits
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passing through that guard. Previously we would close all the
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circuits. Fixes bug 9819; bugfix on 0.2.1.1-alpha. Reported
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circuits through that guard. Fixes bug 9819; bugfix on 0.2.1.1-alpha. Reported
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by "skruffy".
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o Minor features (authorities, testing):
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- Create TestingDirAuthVoteHSDir like TestingDirAuthVoteExit/Guard.
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Ensures that authorities vote the HSDir flag for the listed relays
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regardless of uptime or ORPort connectivity. Respects the value of
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VoteOnHidServDirectoriesV2. Partial implementation for ticket
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14067. Patch by "teor".
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o Minor features (build):
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- New --disable-system-torrc compile-time option to prevent Tor from
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looking for a system-wide torrc or torrc-defaults tile. Resolves
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looking for a system-wide torrc or torrc-defaults file. Resolves
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ticket 13037.
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o Minor features (controller):
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- Include SOCKS_USERNAME and SOCKS_PASSWORD values in controller
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events to let controllers observe circuit isolation inputs. Closes
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events so controllers can observe circuit isolation inputs. Closes
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ticket 8405.
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- ControlPort now supports the unix:/path/to/dir syntax as an
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alternative to the ControlSocket option, for consistency with
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SocksPort and hidden services. Closes ticket 14451.
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SocksPort and HiddenServicePort. Closes ticket 14451.
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- New "GETINFO bw-event-cache" to get information about recent
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bandwidth events. Closes ticket 14128. Useful for controllers to
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get recent bandwidth history after the fix for 13988.
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o Minor features (directory client):
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o Minor features (directory system):
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- When downloading server- or microdescriptors from a directory
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server, we no longer launch multiple simultaneous requests to the
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same server. This reduces load on the directory servers,
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especially when directory guards are in use. Closes ticket 9969.
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- When downloading server- or microdescriptors over a tunneled
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connection, do not limit the length of our request to what the
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connection, do not limit the length of our requests to what the
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Squid proxy is willing to handle. Part of ticket 9969.
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o Minor features (directory system):
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- Authorities can now vote on the correct digests and latest
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versions for different software packages. This allows packages
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that include Tor to use the Tor authority system as a way to get
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notified of updates and their correct digests. Implements proposal
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227. Closes ticket 10395.
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o Minor features (directory, memory usage):
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- When we have recently been under memory pressure (over 3/4 of
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MaxMemInQueues is allocated), then allocate smaller zlib objects
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for small requests. Closes ticket 11791.
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o Minor features (DOS resistance):
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- Count the total number of bytes used storing hidden service
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descriptors against the value of MaxMemInQueues. If we're low on
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@ -119,6 +103,12 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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service descriptors, free them until no more than 10% of our
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memory holds hidden service descriptors. Free the least recently
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fetched descriptors first. Resolves ticket 13806.
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- When we have recently been under memory pressure (over 3/4 of
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MaxMemInQueues is allocated), then allocate smaller zlib objects
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for small requests. Closes ticket 11791.
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- When we have recently been under memory pressure (over 3/4 of
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MaxMemInQueues is allocated), then allocate smaller zlib objects
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for small requests. Closes ticket 11791.
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o Minor features (geoip):
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- Update geoip to the January 7 2015 Maxmind GeoLite2
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@ -126,13 +116,13 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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- Update geoip6 to the January 7 2015 Maxmind GeoLite2
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Country database.
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o Minor features (Guard nodes):
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o Minor features (guard nodes):
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- Reduce the time delay before saving guard status to disk from 10
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minute to 30 seconds (or from one hour to 10 minutes if
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AvoidDiskWrites is set). Closes ticket 12485.
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o Minor features (hidden service):
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- Make hidden service Sybil attacks harder by changing the minimum
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- Make Sybil attacks against hidden services harder by changing the minimum
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time required to become an HSDir from 25 hours up to 96 hours.
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Addresses ticket #14149.
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- New option "HiddenServiceAllowUnknownPorts" to allow hidden
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@ -142,7 +132,7 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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RELAY_DONE cell is sent. Closes ticket #14084.
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o Minor features (interface):
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- Implement '-f -' CLI suboption to allow torrc to be read from
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- Implement '-f -' CLI suboption to read torrc configuration from
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standard input, thus not requiring to store torrc in file system.
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Implements feature 13865.
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@ -153,11 +143,11 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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reading extrainfo documents from cache. (This message got loud
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around when we closed bug 9812 in 0.2.6.2-alpha.) Closes
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ticket 13762.
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- Elevate authorized-client message from DEBUG to INFO. Closes
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- Elevate hidden service authorized-client message from DEBUG to INFO. Closes
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ticket 14015.
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o Minor features (relay):
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- Use separate minimum bandwidth values for the configurations of
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- Use separate minimum bandwidth values for
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relays and bridges. Raise the minimum configured bandwidth for
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bridges to 50 KiB/sec and for relays to 75 KiB/sec. (The old
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values were 20 KiB/sec.) Closes ticket 13822.
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@ -173,12 +163,16 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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o Minor features (testing networks):
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- Drop the minimum RendPostPeriod on a testing network to 5 seconds,
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and the default to 2 minutes. Closes ticket 13401. Patch
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by "nickm".
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and the default to 2 minutes. Closes ticket 13401.
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- Drop the MIN_REND_INITIAL_POST_DELAY on a testing network to 5
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seconds, but keep the default at 30 seconds. This reduces HS
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bootstrap time to around 25 seconds. Also, change the default time
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in test-network.sh to match. Closes ticket 13401. Patch by "teor".
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- Create TestingDirAuthVoteHSDir to correspond to TestingDirAuthVoteExit/Guard.
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Ensures that authorities vote the HSDir flag for the listed relays
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regardless of uptime or ORPort connectivity. Respects the value of
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VoteOnHidServDirectoriesV2. Partial implementation for ticket
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14067. Patch by "teor".
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o Minor features (tor2web mode):
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- Introduce the config option Tor2webRendezvousPoints, which allows
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@ -186,11 +180,6 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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used in HS circuits. This might allow better performance for
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Tor2Web nodes. Implements ticket #12844.
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o Minor bugfix (oom resistance):
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- Make an educated guess about how much memory the system has when
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our detection functionality fails on some operating system. Fixes
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bug 14802; bugfix on 0.2.5.4-alpha.
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o Minor bugfixes (automapping):
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- Prevent changes to other options from removing the wildcard value
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"." from "AutomapHostsSuffixes". Fixes bug 12509; bugfix
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@ -206,9 +195,7 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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bug 14259; bugfix on 0.2.0.1-alpha.
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o Minor bugfixes (client, automapping):
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- Check for a missing option value in parse_virtual_addr_network
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before asserting on the NULL in tor_addr_parse_mask_ports. This
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avoids crashing on torrc lines like Vi[rtualAddrNetworkIPv[4|6]]
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- Avoid crashing on torrc lines for VirtualAddrNetworkIPv[4|6]
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when no value follows the option. Fixes bug 14142; bugfix on
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0.2.4.7-alpha. Patch by "teor".
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- Fix a memory leak when using AutomapHostsOnResolve. Fixes bug
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@ -247,10 +234,9 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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reason. Fixes bug 14207; bugfix on 0.2.6.2-alpha.
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- Avoid crashing on a malformed EXTENDCIRCUIT command. Fixes bug
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14116; bugfix on 0.2.2.9-alpha.
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- On the control port, the "entry-guards" command was reporting an
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"up" status for a relay that was actually down. This fixes the
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check if "unreachable_since" is set and if so reports the "down"
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status. Fixes bug 14184; bugfix on 0.1.2.2-alpha.
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- Report "down" in response to the "GETINFO entry-guards" command when
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relays are down with an unreachable_since value. Previously, we
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would report "up". Fixes bug 14184; bugfix on 0.1.2.2-alpha.
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o Minor bugfixes (directory authority):
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- Allow directory authorities to fetch more data from one another if
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@ -265,7 +251,7 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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- Stop failing when key files are zero-length. Instead, generate new
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keys, and overwrite the empty key files. Fixes bug 13111; bugfix
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on all versions of Tor. Patch by "teor".
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- Stop generating a fresh .old RSA key file when the .old file is
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- Stop generating a fresh .old RSA onion key file when the .old file is
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missing. Fixes part of 13111; bugfix on 0.0.6rc1.
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- Avoid overwriting .old key files with empty key files.
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- Skip loading zero-length extra info store, router store, stats,
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@ -275,8 +261,8 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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on 0.2.3.11-alpha.
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o Minor bugfixes (hidden services):
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- Close the intro circuit once we don't have any more usable intro
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points instead of making it timeout at some point. This also make
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- Close the introduction circuit when we have no, more usable intro
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points, instead of waiting for it to time out. This also make
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sure no extra HS descriptor fetch is triggered. Fixes bug 14224;
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bugfix on 0.0.6.
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- When fetching a hidden service descriptor for a down service that
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@ -308,8 +294,8 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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- Do not warn that we are missing directory information if we have
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decided not to fetch directory information due to a long period of
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idleness. Fixes part of bug 14918; bugfix on 0.2.6.2-alpha.
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- When deciding whether we have any exit nodes, only do processing
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for ExitNodes when the ExitNodes option is actually set. Fixes
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- When deciding whether we have any exit nodes, only process
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ExitNodes when the ExitNodes option is actually set. Fixes
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part of bug 14918; bugfix on 0.2.6.2-alpha.
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o Minor bugfixes (portability):
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@ -365,10 +351,10 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
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- Move fields related to isolating and configuring client ports into
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a shared structure. Previously, they were duplicated across
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port_cfg_t, listener_connection_t, and edge_connection_t. Failure
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to copy one of them correctly had been the cause of at least one
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to copy them correctly had been the cause of at least one
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bug in the past. Closes ticket 8546.
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- Refactor the get_interface_addresses_raw() Doom-function into
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multiple smaller and easier to understand subfunctions. Cover the
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- Refactor the get_interface_addresses_raw() doom-function into
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multiple smaller and simpler subfunctions. Cover the
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resulting subfunctions with unit-tests. Fixes a significant
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portion of issue 12376.
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- Remove workaround in dirserv_thinks_router_is_hs_dir() that was
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