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Roger Dingledine 2011-10-24 02:56:35 -04:00
parent 2e295ae46e
commit d5bb0d7789
18 changed files with 88 additions and 110 deletions
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88
ChangeLog
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Changes in version 0.2.3.6-alpha - 2011-10-??
o Major features:
- Implement a new handshake protocol for authenticating Tors to
each other over TLS. It should be more resistant to fingerprinting
than previous protocols, and should require less TLS hacking for
future Tor implementations. Implements Proposal 185.
- Allow variable-length padding cells to disguise the length of
Tor's TLS records. Implements part of Proposal 184.
o Major bugfixes (hidden services):
- Don't launch a useless circuit after failing to use one of a
hidden service's introduction points. Previously, we would
launch a new introduction circuit, but not set the hidden service
which that circuit was intended to connect to, so it would never
actually be used. A different piece of code would then create a
new introduction circuit correctly, so this bug was harmless until
it caused an assertion in the client-side part of the #3825 fix
to fail. Bug reported by katmagic and found by Sebastian Hahn.
Bugfix on 0.2.1.13-alpha; fixes bug 4212.
- When one of a hidden service's introduction points appears to be
unreachable, stop trying it. Previously, we would keep trying
to build circuits to the introduction point until we lost the
descriptor, usually because the user gave up and restarted Tor.
Partly fixes bug 3825.
- When an attempt to connect to a hidden service ends, consider
refetching its hidden service descriptors from each of the HSDir
relays responsible for them immediately. Previously, we would not
consider refetching the service's descriptors from each HSDir for
15 minutes after the last fetch; this behaviour was inconvenient
if the hidden service was not running during the first attempt,
for example. Bugfix on 0.2.0.18-alpha; fixes bug 3335.
o Major bugfixes (other):
- Don't update the AccountingSoftLimitHitAt state file entry whenever
tor gets started. This prevents a wrong average bandwidth
estimate, which would cause relays to always start a new accounting
interval at the earliest possible moment. Fixes bug 2003; bugfix
on 0.2.2.7-alpha. Reported by BryonEldridge, who also helped
immensely in tracking this bug down.
- Fix a crash bug when changing node restrictions while a DNS lookup
is in-progress. Fixes bug 4259; bugfix on 0.2.2.25-alpha. Bugfix
by "Tey'".
o Minor bugfixes (on 0.2.3.x):
- Fix a bug in configure.in that kept it from building a configure
script with autoconf versions earlier than 2.61. Fixes bug 2430;
bugfix on 0.2.3.1-alpha.
- Don't warn users that they are exposing a client port to the
Internet if they have specified an RFC1918 address. Previously,
we would warn if the user had specified any non-loopback
address. Bugfix on 0.2.3.3-alpha. Fixes bug 4018; reported by Tas.
o Minor bugfixes (on 0.2.2.x and earlier):
- When one of a hidden service's introduction points times out,
consider trying it again during the next attempt to connect to
the HS. Previously, we would not try it again unless a newly
fetched descriptor contained it. Required by fixes for bugs
1297 and 3825.
- Rephrase the log message emitted if the TestSocks check is
successful. Patch from Fabian Keil; fixes bug 4094.
- Bridges now skip DNS self-tests, to act a little more stealthily.
Fixes bug 4201; bugfix on 0.2.0.3-alpha, which first introduced
bridges. Patch by "warms0x".
- When a hidden service turns an extra service-side introduction
circuit into a general-purpose circuit, free the rend_data and
intro_key fields first, so we won't leak memory if the circuit
is cannibalized for use as another service-side introduction
circuit. Bugfix on 0.2.1.7-alpha; fixes bug 4251.
o Minor features:
- The next version of Windows will be called Windows 8, and it has
a major version of 6, minor version of 2. Correctly identify that
version instead of calling it "Very recent version". Resolves
ticket 4153; reported by funkstar.
- The bridge authority now writes statistics on how many bridge
descriptors it gave out in total, and how many unique descriptors
it gave out. Implements ticket 4200.
- Update to the October 4 2011 Maxmind GeoLite Country database.
o Code simplifications and refactoring:
- Remove the ability to define TRACK_SERVED_TIME. The feature
wasn't used and is now outdated that microdescriptors are around.
- Rename Tor functions that turn strings into addresses, so that
"parse" indicates that no hostname resolution occurs, and
"lookup" indicates that hostname resolution may occur. This
should help prevent mistakes in the future. Fixes bug 3512.
Changes in version 0.2.3.5-alpha - 2011-09-28
Tor 0.2.3.5-alpha fixes two bugs that make it possible to enumerate
bridge relays; fixes an assertion error that many users started hitting

8
changes/bug1297b
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o Minor bugfixes:
- When one of a hidden service's introduction points times out,
consider trying it again during the next attempt to connect to
the HS. Previously, we would not try it again unless a newly
fetched descriptor contained it. Required by fixes for bugs
1297 and 3825.

8
changes/bug2003
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@ -1,8 +0,0 @@
o Major bugfixes:
- Don't update the AccountingSoftLimitHitAt state file entry whenever
tor gets started. This prevents a wrong average bandwidth estimate,
which would cause relays to always start a new accounting interval at
the earliest possible moment. Fixes bug 2003; bugfix on 0.2.2.7-alpha.
Reported by BryonEldridge, who also helped immensely in tracking this
bug down. Thanks!

4
changes/bug2430
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@ -1,4 +0,0 @@
o Minor bugfixes:
- Fix a bug in configure.in that kept it from building a configure
script with autoconf versions earlier than 2.61. Fixes bug 2430;
bugfix on 0.2.3.1-alpha.

11
changes/bug3335
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@ -1,11 +0,0 @@
o Major bugfixes:
- When an attempt to connect to a hidden service ends, consider
refetching its hidden service descriptors from each of the HSDir
relays responsible for them immediately. Previously, we would
not consider refetching the service's descriptors from each
HSDir for 15 minutes after the last fetch; this behaviour was
inconvenient if the hidden service was not running during the
first attempt, for example. Bugfix on 0.2.0.18-alpha; fixes bug
3335.

6
changes/bug3512
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o Code simplifications and refactoring:
- Rename Tor functions that turn strings into addresses, so that
"parse" indicates that no hostname resolution occurs, and
"lookup" indicates that hostname resolution may occur. This
should help prevent mistakes in the future. Fixes bug 3512.

8
changes/bug3825a
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@ -1,8 +0,0 @@
o Major bugfixes:
- When one of a hidden service's introduction points appears to be
unreachable, stop trying it. Previously, we would keep trying
to build circuits to the introduction point until we lost the
descriptor, usually because the user gave up and restarted Tor.
Partly fixes bug 3825.

3
changes/bug4094
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@ -1,3 +0,0 @@
o Minor bugfixes:
- Rephrase the log message emitted if the TestSocks check is
successful. Patch from Fabian Keil; fixes bug 4094.

5
changes/bug4201
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@ -1,5 +0,0 @@
o Minor bugfixes:
- Bridges now skip DNS self-tests, to act a little more stealthily.
Fixes bug 4201; bugfix on 0.2.0.3-alpha, which first introduced
bridges. Patch by "warms0x".

13
changes/bug4212
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@ -1,13 +0,0 @@
o Major bugfixes:
- Don't launch a useless circuit after failing to use one of a
hidden service's introduction points. Previously, we would
launch a new introduction circuit, but not set the hidden
service which that circuit was intended to connect to, so it
would never actually be used. A different piece of code would
then create a new introduction circuit correctly, so this bug
was harmless until it caused an assertion in the client-side
part of the #3825 fix to fail. Bug reported by katmagic and
found by Sebastian Hahn. Bugfix on 0.2.1.13-alpha; fixes bug
4212.

8
changes/bug4251
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@ -1,8 +0,0 @@
o Minor bugfixes:
- When a hidden service turns an extra service-side introduction
circuit into a general-purpose circuit, free the rend_data and
intro_key fields first, so they won't be leaked if the circuit
is cannibalized for use as another service-side introduction
circuit. Bugfix on 0.2.1.7-alpha; fixes bug 4251.

4
changes/bug4259
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@ -1,4 +0,0 @@
o Major bugfixes:
- Fix a crash bug when changing node restrictions while a DNS lookup
is in-progress. Fixes bug 4259; bugfix on 0.2.2.25-alpha. Bugfix
by "Tey'".

7
changes/dont-warn-about-rfc1918-socksport-addrs
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@ -1,7 +0,0 @@
o Minor bugfixes:
- Don't warn users that they are exposing a client port to the
Internet if they have specified an RFC1918 address. Previously,
we would warn if the user had specified any non-loopback
address. Bugfix on 0.2.3.3-alpha. Fixes bug 4018; reported by Tas.

3
changes/geoip-october2011
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o Minor features:
- Update to the October 4 2011 Maxmind GeoLite Country database.

8
changes/prop176
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@ -1,8 +0,0 @@
o Major features
- Implement a new handshake protocol for authenticating Tors to
each other over TLS. It should be more resistant to fingerprinting
than previous protocols, and should require less TLS hacking for
future Tor implementations. Implements Proposal 185.
- Allow variable-length padding cells to disguise the length of
Tor's TLS records. Implements part of Proposal 184.

4
changes/remove_TRACK_SERVED_TIME
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@ -1,4 +0,0 @@
o Removed features:
- Remove the ability to define TRACK_SERVED_TIME. The feature wasn't used
and is now outdated that microdescriptors are around.

5
changes/ticket4200
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@ -1,5 +0,0 @@
o Minor features:
- The bridge authority now writes statistics on how many bridge
descriptors it gave out in total, and how many unique descriptors
it gave out. Implements ticket 4200.

5
changes/windows_8
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@ -1,5 +0,0 @@
o Minor bugfixes:
- The next version of Windows will be called Windows 8, and it has a major
version of 6, minor version of 2. Correctly identify that version instead
of calling it "Very recent version". Fixes bug 4153; reported by funkstar.