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Start work on an 0.2.9.1-alpha changelog

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2016-08-02 11:46:18 -04:00
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ChangeLog
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Changes in version 0.2.9.1-alpha - 2016-??-??
Changes in version 0.2.9.1-alpha - 2016-08-??
Tor 0.2.9.1-alpha is the first alpha release in the 0.2.9
development series.
o New system requirements:
- Tor requires Libevent version 2.0.10-stable or later now.
Implements ticket 19554.
- We now require zlib version 1.2 or later. (Back when we started,
zlib 1.1 and zlib 1.0 were still found in the wild. 1.2 was
released in 2003. We recommend the latest version.)
o Major features (dirauths, security, hidden services):
- Directory authorities can now perform the shared randomness
protocol specified by proposal 250. Using this protocol, directory
authorities can generate a global fresh random number every day.
In the future, this global randomness will be used by hidden
services to select their responsible HSDirs. This release only
implements the directory authority feature; the hidden service
side will be implemented in the future as part of proposal 224 .
Resolves ticket 16943; implements proposal 250.
o Major features (build, hardening):
- Tor now builds with -ftrapv by default on compilers that support
it. This option detects signed integer overflow, and turns it into
a hard-failure. We do not apply this option to code that needs to
run in constant time to avoid side-channels; instead, we use
-fwrapv. Closes ticket 17983.
- When --enable-expensive-hardening is selected, stop applying the
clang/gcc sanitizers to code that needs to run in constant-time to
avoid side channels: although we are aware of no introduced side-
channels, we are not able to prove that this is safe. Related to
ticket 17983.
o Major bugfixes (exit policies):
- Avoid disclosing exit outbound bind addresses, configured port
bind addresses, and local interface addresses in relay descriptors
by default under ExitPolicyRejectPrivate. Instead, only reject
these (otherwise unlisted) addresses if
ExitPolicyRejectLocalInterfaces is set. Fixes bug 18456; bugfix on
0.2.7.2-alpha. Patch by teor.
o Major bugfixes (hidden service client):
- With FetchHidServDescriptors set to 0, there is no descriptor
fetch (which is intended) but also no descriptor cache lookup was
done making any Tor client not working with this option unset.
Fixes bug 18704; bugfix on 0.2.0.20-rc. Patch by "twim".
o Major bugfixes (user interface):
- Fix an integer overflow in the rate-limiter that caused displaying
of wrong number of suppressed messages (if there are too many of
them). If the number of messages hits the limit of messages per
interval the rate-limiter doesn't count any further. Fixes bug
19435; bugfix on 0.2.4.11-alpha.
o Minor features (backend):
- Tor now uses the operating system's monotonic timers (where
available) for internal fine-grained timing. Previously we would
look at the system clock, and then attempt to compensate for the
clock running backwards. Closes ticket 18908.
o Minor features (build):
- Detect and work around a libclang_rt problem that prevents clang
from finding __mulodi4() on some 32-bit platforms. This clang bug
would keep -ftrapv from linking on those systems. Closes
ticket 19079.
- Use the Autoconf macro AC_USE_SYSTEM_EXTENSIONS to automatically
turn on C and POSIX extensions. Closes ticket 19139.
- When building on a system without runtime support for some of the
runtime hardening options, try to log a useful warning at
configuration time, rather than an incomprehensible warning at
link time. If expensive hardening was requested, this warning
becomes an error. Closes ticket 18895.
o Minor features (code safety):
- In our integer-parsing functions, check that the maxiumum value
given is no smaller than the minimum value. Closes ticket 19063;
patch from U+039b.
o Minor features (compilation):
- Our big list of extra GCC warnings is now enabled by default when
building with GCC (or with anything like Clang that claims to be
GCC-compatible). To make all warnings into fatal compilation
errors, pass --enable-fatal-warnings to configure. Closes
ticket 19044.
o Minor features (control port):
- Implement new GETINFO queries for all downloads using
download_status_t to schedule retries. Closes ticket 19323.
o Minor features (controller):
- Add support for configuring basic client authorization on hidden
services created with the ADD_ONION control command. Implements
ticket 15588. Patch by "special".
- Fire a `STATUS_SERVER` event whenever the hibernation status
changes between "awake"/"soft"/"hard". Closes ticket 18685.
o Minor features (debugging):
- When dumping unparseable router descriptors, optionally store them
in separate filenames by hash, up to a configurable limit. Closes
ticket 18322.
o Minor features (directory authority):
- Directory authorities now only give the Guard flag to a relay if
they are also giving it the Stable flag. This change allows us to
simplify path selection for clients, and it should have minimal
effect in practice since >99% of Guards already have the Stable
flag. Implements ticket 18624.
- Make directory authorities write the v3-status-votes file out to
disk earlier in the consensus process, so we have the votes even
if we abort the consensus process below. Resolves ticket 19036.
o Minor features (downloading):
- Use random exponential backoffs when retrying downloads from the
dir servers. Closes ticket 15942.
o Minor features (hidden service):
- Stop being so strict about the payload length of "rendezvous1"
cells. We used to be locked in to the "tap" handshake length, and
now we can handle better handshakes like "ntor". Resolves
ticket 18998.
o Minor features (infrastructure):
- Tor now includes an improved timer backend, so that we can
efficiently support tens or hundreds of thousands of concurrent
timers, as will be needed for some of our planned anti-traffic-
analysis work. This code is based on William Ahern's "timeout.c"
project, which implements a "tickless hierarchical timing wheel".
Closes ticket 18365.
o Minor features (logging):
- Provide a more useful warning message when configured with an
invalid Nickname. Closes ticket 18300; patch from "icanhasaccount".
o Minor features (performance):
- When fetching a consensus for the first time, use optimistic data.
This saves a round-trip during startup. Closes ticket 18815.
o Minor features (relay, usability):
- When the directory authorities refuse a bad relay's descriptor,
encourage the relay operator to contact us. Many relay operators
won't notice this line in their logs, but it's a win if even a few
learn why we don't like what their relay was doing. Resolves
ticket 18760.
o Minor features (safety, debugging):
- Add a set of macros to check nonfatal assertions, for internal
use. Migrating more of our checks to these should help us avoid
needless crash bugs. Closes ticket 18613.
o Minor features (testing):
- Let backtrace tests work correctly under AddressSanitizer. Fixes
part of bug 18934; bugfix on 0.2.5.2-alpha.
- Move the test-network.sh script to chutney, and modify tor's test-
network.sh to call the (newer) chutney version when available.
Resolves ticket 19116. Patch by teor.
- Use the lcov convention for marking lines as unreachable, so that
we don't count them when we're generating test coverage data.
Update our coverage tools to understand this convention. Closes
ticket 16792.
o Minor bugfixes (bootstrap):
- Remember the directory we fetched the consensus or previous
certificates from, and use it to fetch future authority
certificates. Fixes bug 18963; bugfix on 0.2.8.1-alpha.
o Minor bugfixes (build):
- Make the test-stem and test-network targets depend only on the tor
binary to be tested. Previously, they depended on "make all".
Fixes bug 18240; bugfix on 0.2.8.2-alpha. Based on a patch
from "cypherpunks".
o Minor bugfixes (circuits):
- Make sure extend_info_from_router is only called on servers. Fixes
bug 19639; bugfix on 0.2.8.1-alpha.
o Minor bugfixes (compilation):
- When building with Clang, include our full array of GCC warnings.
(Previously, we included only a subset, because of the way we
detected them.) Fixes bug 19216; bugfix on 0.2.0.1-alpha.
o Minor bugfixes (directory authority):
- Authorities now sort the "package" lines in their votes, for ease
of debugging. (They are already sorted in the consensus
documents.) Fixes bug 18840; bugfix on 0.2.6.3-alpha.
- When parsing detached signature, make sure we use the length of
the digest algorithm instead of an hardcoded DIGEST256_LEN in
order to avoid comparing bytes out of bound with a smaller digest
length such as SHA1. Fixes bug 19066; bugfix on 0.2.2.6-alpha.
o Minor bugfixes (documentation):
- Document the --passphrase-fd option in the tor manpage. Fixes bug
19504; bugfix on 0.2.7.3-rc.
- Fix the description of the --passphrase-fd option in the
tor-gencert manpage. The option is used to pass the number of a
file descriptor to read the passphrase from, not to read the file
descriptor from. Fixes bug 19505; bugfix on 0.2.0.20-alpha.
o Minor bugfixes (ephemeral hidden service):
- When deleting an ephemeral hidden service, close its intro points
even if not in the open state. Fixes bug 18604; bugfix
on 0.2.7.1-alpha.
o Minor bugfixes (guard selection):
- Use a single entry guard even if the NumEntryGuards consensus
parameter is not provided. Fixes bug 17688; bugfix
on 0.2.5.6-alpha.
o Minor bugfixes (guards):
- Don't mark guards as unreachable if connection_connect() fails.
That function fails for local reasons, so it shouldn't reveal
anything about the status of the guard. Fixes bug 14334; bugfix
on 0.2.3.10-alpha.
o Minor bugfixes (hidden service client):
- Increase the minimum number of internal circuits we preemptively
build from 2 to 3 so they are available when a client connects to
another onion service. Fixes bug 13239; bugfix on 0.1.0.1-rc.
o Minor bugfixes (logging):
- When logging a directory ownership mismatch, log the owning
username correctly. Fixes bug 19578; bugfix on 0.2.2.29-beta.
o Minor bugfixes (memory leaks):
- Fix a small, uncommon memory leak that could occur when reading a
truncated ed25519 key file. Fixes bug 18956; bugfix
on 0.2.6.1-alpha.
o Minor bugfixes (test networks):
- Allow clients to retry HSDirs much faster in test networks. Fixes
bug 19702; bugfix on 0.2.7.1-alpha. Patch by teor.
o Minor bugfixes (testing):
- Disable ASAN's detection of segmentation faults while running
test_bt.sh, so that we can make sure that our own backtrace
generation code works. Fixes another aspect of bug 18934; bugfix
on 0.2.5.2-alpha. Patch from "cypherpunks".
- Fix the test-network-all target on out-of-tree builds by using the
correct path to the test driver script. Fixes bug 19421; bugfix
on 0.2.7.3-rc.
o Minor bugfixes (time):
- Improve overflow checks in tv_udiff and tv_mdiff. Fixes bug 19483;
bugfix on all released tor versions.
o Minor bugfixes (timing):
- When computing the difference between two times in milliseconds,
we now round to the nearest millisecond correctly. Previously, we
could sometimes round in the wrong direction. Fixes bug 19428;
bugfix on 0.2.2.2-alpha.
o Minor bugfixes (user interface):
- Fix a typo in the getting passphrase prompt for the ed25519
identity key. Fixes bug 19503; bugfix on 0.2.7.2-alpha.
o Code simplification and refactoring:
- Remove redundant declarations of the MIN macro. Closes
ticket 18889.
- Rename tor_dup_addr() to tor_addr_to_str_dup() to avoid confusion.
Closes ticket 18462; patch from "icanhasaccount".
- Split the 600-line directory_handle_command_get function into
separate functions for different URL types. Closes ticket 16698.
o Documentation:
- Fix spelling of "--enable-tor2web-mode" in the manpage. Closes
ticket 19153. Patch from "U+039b".
o Removed features:
- Remove support for "GET /tor/bytes.txt" DirPort request, and
"GETINFO dir-usage" controller request, which were only available
via a compile-time option in Tor anyway. Feature was added in
0.2.2.1-alpha. Resolves ticket 19035.
- There is no longer a compile-time option to disable support for
TransPort. (If you don't want TransPort; just don't use it.) Patch
from "U+039b". Closes ticket 19449.
o Testing:
- Run more workqueue tests as part of "make check". These had
previously been implemented, but you needed to know special
command-line options to enable them.
- We now have unit tests for our code to reject zlib "compression
bombs". (Fortunately, the code works fine.)
Changes in version 0.2.8.6 - 2016-08-02
changes/19044
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@@ -1,5 +0,0 @@
o Minor features (compilation):
- Our big list of extra GCC warnings is now enabled by default when
building with GCC (or with anything like Clang that claims to be
GCC-compatible). To make all warnings into fatal compilation errors,
pass --enable-fatal-warnings to configure. Closes ticket 19044.
changes/assert_nonfatal
-4
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@@ -1,4 +0,0 @@
o Minor features (safety, debugging):
- Add a set of macros to check nonfatal assertions, for internal
use. Migrating more of our checks to these should help us avoid
needless crash bugs. Closes ticket 18613.
changes/bug13239
-4
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@@ -1,4 +0,0 @@
o Minor bugfixes (hidden service client):
- Increase the minimum number of internal circuits we preemptively build
from 2 to 3 so they are available when a client connects to another
onion service. Fixes bug 13239; bugfix on 0.1.0.1-rc.
changes/bug14334
-4
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@@ -1,4 +0,0 @@
o Minor bugfixes (guards):
- Don't mark guards as unreachable if connection_connect() fails. That
function fails for local reasons, so it shouldn't reveal anything about
the status of the guard. Fixes bug 14334; bugfix on 0.2.3.10-alpha.
changes/bug15942
-3
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@@ -1,3 +0,0 @@
o Minor features (downloading):
- Use random exponential backoffs when retrying downloads from the dir
servers. Closes ticket 15942.
changes/bug16943
-8
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@@ -1,8 +0,0 @@
o Major features (dirauths, security, hidden services):
- Directory authorities can now perform the shared randomness protocol
specified by proposal 250. Using this protocol, directory authorities can
generate a global fresh random number every day. In the future, this
global randomness will be used by hidden services to select their
responsible HSDirs. This release only implements the directory authority
feature; the hidden service side will be implemented in the future as
part of proposal 224 . Resolves ticket 16943; implements proposal 250.
changes/bug17688
-4
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@@ -1,4 +0,0 @@
o Minor bugfixes (guard selection):
- Use a single entry guard even if the NumEntryGuards consensus parameter
is not provided. Fixes bug 17688; bugfix on 0.2.5.6-alpha.
changes/bug17983
-11
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@@ -1,11 +0,0 @@
o Major features (build, hardening):
- Tor now builds with -ftrapv by default on compilers that support it.
This option detects signed integer overflow, and turns it into a
hard-failure. We do not apply this option to code that needs to run
in constant time to avoid side-channels; instead, we use -fwrapv.
Closes ticket 17983.
- When --enable-expensive-hardening is selected, stop applying the clang/gcc
sanitizers to code that needs to run in constant-time to avoid side
channels: although we are aware of no introduced side-channels, we
are not able to prove that this is safe. Related to ticket 17983.
changes/bug18240
-5
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@@ -1,5 +0,0 @@
o Minor bugfixes (build):
- Make the test-stem and test-network targets depend only on the
tor binary to be tested. Previously, they depended on "make all".
Fixes bug 18240; bugfix on 0.2.8.2-alpha.
Based on a patch from "cypherpunks".
changes/bug18300
-3
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@@ -1,3 +0,0 @@
o Minor features (logging):
- Provide a more useful warning message when configured with an
invalid Nickname. Closes ticket 18300; patch from "icanhasaccount".
changes/bug18322
-4
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@@ -1,4 +0,0 @@
o Minor features (debugging):
- When dumping unparseable router descriptors, optionally store them in
separate filenames by hash, up to a configurable limit.
Closes ticket 18322.
changes/bug18456
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@@ -1,6 +0,0 @@
o Major bugfixes (exit policies):
- Avoid disclosing exit outbound bind addresses, configured port bind
addresses, and local interface addresses in relay descriptors by
default under ExitPolicyRejectPrivate. Instead, only reject these
(otherwise unlisted) addresses if ExitPolicyRejectLocalInterfaces is set.
Fixes bug 18456; bugfix on 0.2.7.2-alpha. Patch by teor.
changes/bug18604
-4
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@@ -1,4 +0,0 @@
o Minor bugfixes (ephemeral hidden service):
- When deleting an ephemeral hidden service, close its intro points even
if not in the open state. Fixes bug 18604; bugfix on
0.2.7.1-alpha.
changes/bug18704
-5
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@@ -1,5 +0,0 @@
o Major bugfixes (hidden service client):
- With FetchHidServDescriptors set to 0, there is no descriptor fetch
(which is intended) but also no descriptor cache lookup was done
making any Tor client not working with this option unset. Fixes
bug 18704; bugfix on 0.2.0.20-rc. Patch by "twim".
changes/bug18815
-3
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@@ -1,3 +0,0 @@
o Minor features (performance):
- When fetching a consensus for the first time, use optimistic data.
This saves a round-trip during startup. Closes ticket 18815.
changes/bug18840
-4
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@@ -1,4 +0,0 @@
o Minor bugfixes (directory authority):
- Authorities now sort the "package" lines in their votes, for ease
of debugging. (They are already sorted in the consensus documents.)
Fixes bug 18840; bugfix on 0.2.6.3-alpha.
changes/bug18889
-2
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@@ -1,2 +0,0 @@
o Code simplification and refactoring:
- Remove redundant declarations of the MIN macro. Closes ticket 18889.
changes/bug18895
-6
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@@ -1,6 +0,0 @@
o Minor features (build):
- When building on a system without runtime support for some of the
runtime hardening options, try to log a useful warning at configuration
time, rather than an incomprehensible warning at link time.
If expensive hardening was requested, this warning becomes an error.
Closes ticket 18895.
changes/bug18934
-3
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@@ -1,3 +0,0 @@
o Minor features (testing):
- Let backtrace tests work correctly under AddressSanitizer.
Fixes part of bug 18934; bugfix on 0.2.5.2-alpha.
changes/bug18934_2
-5
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@@ -1,5 +0,0 @@
o Minor bugfixes (testing):
- Disable ASAN's detection of segmentation faults while running
test_bt.sh, so that we can make sure that our own backtrace generation
code works. Fixes another aspect of bug 18934; bugfix on 0.2.5.2-alpha.
Patch from "cypherpunks".
changes/bug18956
-5
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@@ -1,5 +0,0 @@
o Minor bugfixes (memory leaks):
- Fix a small, uncommon memory leak that could occur when reading a
truncated ed25519 key file. Fixes bug 18956; bugfix on 0.2.6.1-alpha.
changes/bug18963
-5
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@@ -1,5 +0,0 @@
o Minor bugfixes (bootstrap):
- Remember the directory we fetched the consensus or previous
certificates from, and use it to fetch future authority
certificates.
Fixes bug 18963; bugfix on 0.2.8.1-alpha.
changes/bug19063
-4
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@@ -1,4 +0,0 @@
o Minor features (code safety):
- In our integer-parsing functions, check that the maxiumum
value given is no smaller than the minimum value. Closes ticket
19063; patch from U+039b.
changes/bug19066
-5
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@@ -1,5 +0,0 @@
o Minor bugfixes (directory authority):
- When parsing detached signature, make sure we use the length of the
digest algorithm instead of an hardcoded DIGEST256_LEN in order to
avoid comparing bytes out of bound with a smaller digest length such
as SHA1. Fixes bug 19066; bugfix on 0.2.2.6-alpha.
changes/bug19079
-4
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@@ -1,4 +0,0 @@
o Minor features (build):
- Detect and work around a libclang_rt problem that prevents clang from
finding __mulodi4() on some 32-bit platforms. This clang bug would keep
-ftrapv from linking on those systems. Closes ticket 19079.
changes/bug19139
-3
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@@ -1,3 +0,0 @@
o Minor features (build):
- Use the Autoconf macro AC_USE_SYSTEM_EXTENSIONS to automatically
turn on C and POSIX extensions. Closes ticket 19139.
changes/bug19153
-3
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@@ -1,3 +0,0 @@
o Documentation:
- Fix spelling of "--enable-tor2web-mode" in the manpage. Closes
ticket 19153. Patch from "U+039b".
changes/bug19216
-4
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@@ -1,4 +0,0 @@
o Minor bugfixes (compilation):
- When building with Clang, include our full array of GCC warnings.
(Previously, we included only a subset, because of the way we
detected them.) Fixes bug 19216; bugfix on 0.2.0.1-alpha.
changes/bug19421
-4
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@@ -1,4 +0,0 @@
o Minor bugfixes (testing):
- Fix the test-network-all target on out-of-tree builds by using the
correct path to the test driver script. Fixes bug 19421; bugfix on
0.2.7.3-rc.
changes/bug19428
-5
View File
@@ -1,5 +0,0 @@
o Minor bugfixes (timing):
- When computing the difference between two times in milliseconds,
we now round to the nearest millisecond correctly. Previously,
we could sometimes round in the wrong direction. Fixes bug 19428;
bugfix on 0.2.2.2-alpha.
changes/bug19435
-6
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@@ -1,6 +0,0 @@
o Major bugfixes (user interface):
- Fix an integer overflow in the rate-limiter that caused displaying of
wrong number of suppressed messages (if there are too many of them).
If the number of messages hits the limit of messages per interval the
rate-limiter doesn't count any further.
Fixes bug 19435; bugfix on 0.2.4.11-alpha.
changes/bug19449
-4
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@@ -1,4 +0,0 @@
o Removed features:
- There is no longer a compile-time option to disable support
for TransPort. (If you don't want TransPort; just don't use it.)
Patch from "U+039b". Closes ticket 19449.
changes/bug19483
-3
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@@ -1,3 +0,0 @@
o Minor bugfixes (time):
- Improve overflow checks in tv_udiff and tv_mdiff.
Fixes bug 19483; bugfix on all released tor versions.
changes/bug19503
-3
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@@ -1,3 +0,0 @@
o Minor bugfixes (user interface):
- Fix a typo in the getting passphrase prompt for the ed25519
identity key. Fixes bug 19503; bugfix on 0.2.7.2-alpha.
changes/bug19504
-3
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@@ -1,3 +0,0 @@
o Minor bugfixes (documentation):
- Document the --passphrase-fd option in the tor manpage.
Fixes bug 19504; bugfix on 0.2.7.3-rc.
changes/bug19505
-5
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@@ -1,5 +0,0 @@
o Minor bugfixes (documentation):
- Fix the description of the --passphrase-fd option in the tor-gencert
manpage. The option is used to pass the number of a file descriptor to
read the passphrase from, not to read the file descriptor from. Fixes
bug 19505; bugfix on 0.2.0.20-alpha.
changes/bug19554
-4
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@@ -1,4 +0,0 @@
o New system requirements:
- Tor requires Libevent version 2.0.10-stable or later now.
Implements ticket 19554.
changes/bug19578
-3
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@@ -1,3 +0,0 @@
o Minor bugfixes (logging):
- When logging a directory ownership mismatch, log the owning username
correctly. Fixes bug 19578; bugfix on 0.2.2.29-beta.
changes/bug19639
-3
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@@ -1,3 +0,0 @@
o Minor bugfixes (circuits):
- Make sure extend_info_from_router is only called on servers.
Fixes bug 19639; bugfix on 0.2.8.1-alpha.
changes/bug19702
-3
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@@ -1,3 +0,0 @@
o Minor bugfixes (test networks):
- Allow clients to retry HSDirs much faster in test networks.
Fixes bug 19702; bugfix on 0.2.7.1-alpha. Patch by teor.
changes/feature15588
-4
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@@ -1,4 +0,0 @@
o Minor features (controller):
- Add support for configuring basic client authorization on hidden
services created with the ADD_ONION control command.
Implements ticket 15588. Patch by "special".
changes/feature18624
-7
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@@ -1,7 +0,0 @@
o Minor features (directory authority):
- Directory authorities now only give the Guard flag to a relay if
they are also giving it the Stable flag. This change allows us to
simplify path selection for clients, and it should have minimal
effect in practice since >99% of Guards already have the Stable
flag. Implements ticket 18624.
changes/feature18685
-3
View File
@@ -1,3 +0,0 @@
o Minor features (controller):
- Fire a `STATUS_SERVER` event whenever the hibernation status changes
between "awake"/"soft"/"hard". Closes ticket 18685.
changes/feature18760
-6
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@@ -1,6 +0,0 @@
o Minor features (relay, usability):
- When the directory authorities refuse a bad relay's descriptor,
encourage the relay operator to contact us. Many relay operators
won't notice this line in their logs, but it's a win if even a
few learn why we don't like what their relay was doing. Resolves
ticket 18760.
changes/feature18998
-5
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@@ -1,5 +0,0 @@
o Minor features (hidden service):
- Stop being so strict about the payload length of "rendezvous1"
cells. We used to be locked in to the "tap" handshake length,
and now we can handle better handshakes like "ntor". Resolves
ticket 18998.
changes/feature19036
-4
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@@ -1,4 +0,0 @@
o Minor features (directory authority):
- Make directory authorities write the v3-status-votes file out
to disk earlier in the consensus process, so we have the votes
even if we abort the consensus process below. Resolves ticket 19036.
changes/feature19116
-4
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@@ -1,4 +0,0 @@
o Minor features (testing):
- Move the test-network.sh script to chutney, and modify tor's
test-network.sh to call the (newer) chutney version when available.
Resolves ticket 19116. Patch by teor.
changes/lcov_excl
-7
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@@ -1,7 +0,0 @@
o Minor features (testing):
- Use the lcov convention for marking lines as unreachable, so that
we don't count them when we're generating test coverage data.
Update our coverage tools to understand this convention.
Closes ticket 16792.
changes/monotonic
-6
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@@ -1,6 +0,0 @@
o Minor features (backend):
- Tor now uses the operating system's monotonic timers (where available)
for internal fine-grained timing. Previously we would look at the
system clock, and then attempt to compensate for the clock running
backwards. Closes ticket 18908.
changes/task19035
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o Removed features:
- Remove support for "GET /tor/bytes.txt" DirPort request, and
"GETINFO dir-usage" controller request, which were only available
via a compile-time option in Tor anyway. Feature was added in
0.2.2.1-alpha. Resolves ticket 19035.
changes/test_zlib_bombs
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o Testing:
- We now have unit tests for our code to reject zlib "compression bombs".
(Fortunately, the code works fine.)
changes/ticket16698
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o Code simplification and refactoring:
- Split the 600-line directory_handle_command_get function into
separate functions for different URL types. Closes ticket 16698.
changes/ticket18462
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o Code simplification and refactoring:
- Rename tor_dup_addr() to tor_addr_to_str_dup() to avoid confusion.
Closes ticket 18462; patch from "icanhasaccount".
changes/ticket19323
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o Minor features (control port):
- Implement new GETINFO queries for all downloads using download_status_t
to schedule retries. Closes ticket 19323.
changes/timeouts
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o Minor features (infrastructure):
- Tor now includes an improved timer backend, so that we can efficiently
support tens or hundreds of thousands of concurrent timers, as will be
needed for some of our planned anti-traffic-analysis work. This code
is based on William Ahern's "timeout.c" project, which implements
a "tickless hierarchical timing wheel". Closes ticket 18365.
changes/workqueue_tests
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o Testing:
- Run more workqueue tests as part of "make check". These had previously
been implemented, but you needed to know special command-line options
to enable them.
changes/zlib_12
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o New system requirements:
- We now require zlib version 1.2 or later. (Back when we started,
zlib 1.1 and zlib 1.0 were still found in the wild. 1.2 was released in
2003. We recommend the latest version.)