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@@ -1,7 +1,7 @@
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Changes in version 0.2.8.2-alpha - 2016-03-??
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Changes in version 0.2.8.2-alpha - 2016-03-??
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Tor 0.2.8.2-alpha is the second alpha in its series. It fixes numerous
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Tor 0.2.8.2-alpha is the second alpha in its series. It fixes numerous
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bugs in earlier versions of Tor, including some that prevented
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bugs in earlier versions of Tor, including some that prevented
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- authorities using Tor 0.2.7 from running correctly. IPv6 and directory
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+ authorities using Tor 0.2.7 from running correctly. IPv6 and directory
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support should also be much improved.
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support should also be much improved.
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o New system requirements:
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o New system requirements:
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@@ -25,26 +25,6 @@ Changes in version 0.2.8.2-alpha - 2016-03-??
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bugfix on Tor 0.1.1.11-alpha, which fixed a related bug
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bugfix on Tor 0.1.1.11-alpha, which fixed a related bug
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incompletely. Reported by Guido Vranken.
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incompletely. Reported by Guido Vranken.
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- o Major bugfixes (voting):
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- - Actually enable Ed25519-based directory collation. Previously, the
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- code had been written, but some debugging code that had
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- accidentally been left in the codebase made it stay turned off.
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- Fixes bug 17702; bugfix on 0.2.7.2-alpha.
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- - When collating votes by Ed25519 identities, authorities now
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- include a "NoEdConsensus" flag if the ed25519 value (or lack
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- thereof) for a server does not reflect the majority consensus.
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- Related to bug 17668; bugfix on 0.2.7.2-alpha.
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- - When generating a vote with keypinning disabled, never include two
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- entries for the same ed25519 identity. This bug was causing
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- authorities to generate votes that they could not parse when a
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- router violated key pinning by changing its RSA identity but
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- keeping its Ed25519 identity. Fixes bug 17668; fixes part of bug
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- 18318. Bugfix on 0.2.7.2-alpha.
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-
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- o Major bugfixes (dns proxy mode, crash):
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- - Avoid crashing when running as a DNS proxy. Fixes bug 16248;
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- bugfix on 0.2.0.1-alpha. Patch from 'cypherpunks'.
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-
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o Major bugfixes (bridges, pluggable transports):
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o Major bugfixes (bridges, pluggable transports):
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- Modify the check for OR connections to private addresses. Allow
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- Modify the check for OR connections to private addresses. Allow
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bridges on private addresses, including pluggable transports that
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bridges on private addresses, including pluggable transports that
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@@ -58,16 +38,20 @@ Changes in version 0.2.8.2-alpha - 2016-03-??
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sanitizer. Fixes bug 14821; bugfix on 0.2.5.4-alpha.
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sanitizer. Fixes bug 14821; bugfix on 0.2.5.4-alpha.
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o Major bugfixes (crash on shutdown):
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o Major bugfixes (crash on shutdown):
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- - Fix a segfault during startup: If Unix domain socket was configured as
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- listener (such as a ControlSocket or a SocksPort "unix:" socket), and
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- tor was started as root but not configured to switch to another
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- user, tor would segfault while trying to string compare a NULL
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- value. Fixes bug 18261; bugfix on 0.2.8.1-alpha. Patch by weasel.
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- - Correctly handle detaching circuits from muxes when
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- shutting down. Fixes bug 18116; bugfix
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- on 0.2.8.1-alpha.
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- - Fix an assert-on-exit bug related to counting memory usage
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- in rephist.c. Fixes bug 18651; bugfix on 0.2.8.1-alpha.
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+ - Fix a segfault during startup: If Unix domain socket was
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+ configured as listener (such as a ControlSocket or a SocksPort
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+ "unix:" socket), and tor was started as root but not configured to
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+ switch to another user, tor would segfault while trying to string
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+ compare a NULL value. Fixes bug 18261; bugfix on 0.2.8.1-alpha.
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+ Patch by weasel.
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+ - Correctly handle detaching circuits from muxes when shutting down.
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+ Fixes bug 18116; bugfix on 0.2.8.1-alpha.
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+ - Fix an assert-on-exit bug related to counting memory usage in
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+ rephist.c. Fixes bug 18651; bugfix on 0.2.8.1-alpha.
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+
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+ o Major bugfixes (dns proxy mode, crash):
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+ - Avoid crashing when running as a DNS proxy. Fixes bug 16248;
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+ bugfix on 0.2.0.1-alpha. Patch from 'cypherpunks'.
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o Major bugfixes (relays, bridge clients):
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o Major bugfixes (relays, bridge clients):
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- Ensure relays always allow IPv4 OR and Dir connections. Ensure
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- Ensure relays always allow IPv4 OR and Dir connections. Ensure
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@@ -75,26 +59,27 @@ Changes in version 0.2.8.2-alpha - 2016-03-??
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Fixes bug 18348; bugfix on 0.2.8.1-alpha. Reported by sysrqb,
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Fixes bug 18348; bugfix on 0.2.8.1-alpha. Reported by sysrqb,
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patch by teor.
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patch by teor.
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+ o Major bugfixes (voting):
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+ - Actually enable Ed25519-based directory collation. Previously, the
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+ code had been written, but some debugging code that had
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+ accidentally been left in the codebase made it stay turned off.
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+ Fixes bug 17702; bugfix on 0.2.7.2-alpha.
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+ - When collating votes by Ed25519 identities, authorities now
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+ include a "NoEdConsensus" flag if the ed25519 value (or lack
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+ thereof) for a server does not reflect the majority consensus.
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+ Related to bug 17668; bugfix on 0.2.7.2-alpha.
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+ - When generating a vote with keypinning disabled, never include two
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+ entries for the same ed25519 identity. This bug was causing
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+ authorities to generate votes that they could not parse when a
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+ router violated key pinning by changing its RSA identity but
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+ keeping its Ed25519 identity. Fixes bug 17668; fixes part of bug
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+ 18318. Bugfix on 0.2.7.2-alpha.
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+
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o Minor features (security, win32):
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o Minor features (security, win32):
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- Set SO_EXCLUSIVEADDRUSE on Win32 to avoid a local port-stealing
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- Set SO_EXCLUSIVEADDRUSE on Win32 to avoid a local port-stealing
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attack. Fixes bug 18123; bugfix on all tor versions. Patch
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attack. Fixes bug 18123; bugfix on all tor versions. Patch
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by "teor".
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by "teor".
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- o Minor features (hidden service directory):
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- - Streamline relay-side hsdir handling: when relays consider whether
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- to accept an uploaded hidden service descriptor, they no longer
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- check whether they are one of the relays in the network that is
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- "supposed" to handle that descriptor. Implements ticket 18332.
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-
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- o Minor features (IPv6):
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- - Add ClientPreferIPv6DirPort, which is set to 0 by default. If set
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- to 1, tor prefers IPv6 directory addresses.
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- - Add ClientUseIPv4, which is set to 1 by default. If set to 0, tor
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- avoids using IPv4 for client OR and directory connections.
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- - Try harder to fulfil IP version restrictions ClientUseIPv4 0 and
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- ClientUseIPv6 0; and the preferences ClientPreferIPv6ORPort and
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- ClientPreferIPv6DirPort. Closes ticket 17840; patch by "teor".
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-
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o Minor features (bug-resistance):
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o Minor features (bug-resistance):
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- Make Tor survive errors involving connections without a
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- Make Tor survive errors involving connections without a
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corresponding event object. Previously we'd fail with an
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corresponding event object. Previously we'd fail with an
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@@ -117,17 +102,33 @@ Changes in version 0.2.8.2-alpha - 2016-03-??
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o Minor features (crypto):
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o Minor features (crypto):
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- Validate the hard-coded Diffie-Hellman parameters and ensure that
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- Validate the hard-coded Diffie-Hellman parameters and ensure that
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- p is a safe prime, and g is a suitable generator. Closes ticket 18221.
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+ p is a safe prime, and g is a suitable generator. Closes
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+ ticket 18221.
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o Minor features (geoip):
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o Minor features (geoip):
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- Update geoip and geoip6 to the March 3 2016 Maxmind GeoLite2
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- Update geoip and geoip6 to the March 3 2016 Maxmind GeoLite2
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Country database.
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Country database.
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+ o Minor features (hidden service directory):
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+ - Streamline relay-side hsdir handling: when relays consider whether
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+ to accept an uploaded hidden service descriptor, they no longer
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+ check whether they are one of the relays in the network that is
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+ "supposed" to handle that descriptor. Implements ticket 18332.
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+
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+ o Minor features (IPv6):
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+ - Add ClientPreferIPv6DirPort, which is set to 0 by default. If set
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+ to 1, tor prefers IPv6 directory addresses.
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+ - Add ClientUseIPv4, which is set to 1 by default. If set to 0, tor
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+ avoids using IPv4 for client OR and directory connections.
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+ - Try harder to fulfil IP version restrictions ClientUseIPv4 0 and
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+ ClientUseIPv6 0; and the preferences ClientPreferIPv6ORPort and
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+ ClientPreferIPv6DirPort. Closes ticket 17840; patch by "teor".
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+
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o Minor features (linux seccomp2 sandbox):
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o Minor features (linux seccomp2 sandbox):
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- - Reject attempts to change our Address with "Sandbox 1"
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- enabled. Changing Address with Sandbox turned on would never
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- actually work, but previously it would fail in strange and
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- confusing ways. Found while fixing 18548.
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+ - Reject attempts to change our Address with "Sandbox 1" enabled.
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+ Changing Address with Sandbox turned on would never actually work,
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+ but previously it would fail in strange and confusing ways. Found
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+ while fixing 18548.
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o Minor features (robustness):
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o Minor features (robustness):
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- Exit immediately with an error message if the code attempts to use
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- Exit immediately with an error message if the code attempts to use
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@@ -137,11 +138,11 @@ Changes in version 0.2.8.2-alpha - 2016-03-??
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o Minor features (unix domain sockets):
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o Minor features (unix domain sockets):
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- Add a new per-socket option, RelaxDirModeCheck, to allow creating
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- Add a new per-socket option, RelaxDirModeCheck, to allow creating
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Unix domain sockets without checking the permissions on the parent
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Unix domain sockets without checking the permissions on the parent
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- directory. (Tor checks permissions by default because some operating
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- systems only check permissions on the parent directory. However, some
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- operating systems do look at permissions on the socket, and tor's default
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- check is unneeded.) Closes ticket 18458. Patch
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- by weasel.
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+ directory. (Tor checks permissions by default because some
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+ operating systems only check permissions on the parent directory.
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+ However, some operating systems do look at permissions on the
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+ socket, and tor's default check is unneeded.) Closes ticket 18458.
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+ Patch by weasel.
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o Minor bugfixes (exit policies, security):
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o Minor bugfixes (exit policies, security):
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- Refresh an exit relay's exit policy when interface addresses
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- Refresh an exit relay's exit policy when interface addresses
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@@ -159,10 +160,9 @@ Changes in version 0.2.8.2-alpha - 2016-03-??
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- Do not link the unit tests against both the testing and non-
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- Do not link the unit tests against both the testing and non-
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testing versions of the static libraries. Fixes bug 18490; bugfix
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testing versions of the static libraries. Fixes bug 18490; bugfix
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on 0.2.7.1-alpha.
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on 0.2.7.1-alpha.
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- - Avoid spurious failures from configure files related
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- to calling exit(0) in TOR_SEARCH_LIBRARY.
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- Fixes bug 18625; bugfix on 0.2.0.1-alpha.
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- Patch from "cypherpunks".
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+ - Avoid spurious failures from configure files related to calling
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+ exit(0) in TOR_SEARCH_LIBRARY. Fixes bug 18625; bugfix on
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+ 0.2.0.1-alpha. Patch from "cypherpunks".
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- Silence spurious clang-scan warnings in the ed25519_donna code by
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- Silence spurious clang-scan warnings in the ed25519_donna code by
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explicitly initialising some objects. Fixes bug 18384; bugfix on
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explicitly initialising some objects. Fixes bug 18384; bugfix on
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0f3eeca9 in 0.2.7.2-alpha. Patch by "teor".
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0f3eeca9 in 0.2.7.2-alpha. Patch by "teor".
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@@ -170,9 +170,8 @@ Changes in version 0.2.8.2-alpha - 2016-03-??
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o Minor bugfixes (client, bootstrap):
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o Minor bugfixes (client, bootstrap):
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- Count receipt of new microdescriptors as progress towards
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- Count receipt of new microdescriptors as progress towards
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bootstrapping. Previously, with EntryNodes set, Tor might not
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bootstrapping. Previously, with EntryNodes set, Tor might not
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- successfully repopulate the guard set on bootstrapping.
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- Fixes bug 16825; bugfix
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- on 0.2.3.1-alpha.
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+ successfully repopulate the guard set on bootstrapping. Fixes bug
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+ 16825; bugfix on 0.2.3.1-alpha.
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o Minor bugfixes (code correctness):
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o Minor bugfixes (code correctness):
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- Update to the latest version of Trunnel, which tries harder to
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- Update to the latest version of Trunnel, which tries harder to
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@@ -208,14 +207,15 @@ Changes in version 0.2.8.2-alpha - 2016-03-??
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0.2.4.7-alpha. Reported by "atagar", patch by "teor".
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0.2.4.7-alpha. Reported by "atagar", patch by "teor".
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o Minor bugfixes (hidden service, client):
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o Minor bugfixes (hidden service, client):
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- - Handle the case where the user makes several fast consecutive requests to the same .onion
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- address. Previously, the first six requests would each trigger a
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- descriptor fetch, each picking a directory
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- (there are 6 overall) and the seventh one would fail because no
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- directories were left, thereby triggering a close on all current directory
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- connections asking for the hidden service.
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- The solution here is to not close the directory connections if we have pending directory
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- fetch. Fixes bug 15937; bugfix on tor-0.2.7.1-alpha.
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+ - Handle the case where the user makes several fast consecutive
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+ requests to the same .onion address. Previously, the first six
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+ requests would each trigger a descriptor fetch, each picking a
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+ directory (there are 6 overall) and the seventh one would fail
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+ because no directories were left, thereby triggering a close on
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+ all current directory connections asking for the hidden service.
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+ The solution here is to not close the directory connections if we
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+ have pending directory fetch. Fixes bug 15937; bugfix
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+ on tor-0.2.7.1-alpha.
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o Minor bugfixes (hidden service, control port):
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o Minor bugfixes (hidden service, control port):
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- Add the onion address to the HS_DESC event for the UPLOADED action
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- Add the onion address to the HS_DESC event for the UPLOADED action
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@@ -230,15 +230,15 @@ Changes in version 0.2.8.2-alpha - 2016-03-??
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- Avoid a 10-second delay when starting as a client with "Sandbox 1"
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- Avoid a 10-second delay when starting as a client with "Sandbox 1"
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enabled and no DNS resolvers configured. This should help TAILS
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enabled and no DNS resolvers configured. This should help TAILS
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start up faster. Fixes bug 18548; bugfix on 0.2.5.1-alpha.
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start up faster. Fixes bug 18548; bugfix on 0.2.5.1-alpha.
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- - Fix the sandbox's interoprability with unix domain sockets under setuid.
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- Fixes bug 18253; bugfix on 0.2.8.1-alpha.
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+ - Fix the sandbox's interoprability with unix domain sockets under
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+ setuid. Fixes bug 18253; bugfix on 0.2.8.1-alpha.
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- Allow the setrlimit syscall, and the prlimit and prlimit64
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- Allow the setrlimit syscall, and the prlimit and prlimit64
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syscalls, which some libc implementations use under the hood.
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syscalls, which some libc implementations use under the hood.
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Fixes bug 15221; bugfix on 0.2.5.1-alpha.
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Fixes bug 15221; bugfix on 0.2.5.1-alpha.
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o Minor bugfixes (logging):
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o Minor bugfixes (logging):
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- - When logging information about an unparsable networkstatus vote
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- or consensus, do not say "vote" when we mean consensus. Fixes bug
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+ - When logging information about an unparsable networkstatus vote or
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+ consensus, do not say "vote" when we mean consensus. Fixes bug
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18368; bugfix on 0.2.0.8-alpha.
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18368; bugfix on 0.2.0.8-alpha.
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- Scrub service in from "unrecognized service ID" log messages.
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- Scrub service in from "unrecognized service ID" log messages.
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Fixes bug 18600; bugfix on 0.2.4.11-alpha.
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Fixes bug 18600; bugfix on 0.2.4.11-alpha.
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