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Add the remaining changes items to ChangeLog for 0.2.7.2-alpha

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This commit is contained in:
Nick Mathewson
2015-07-16 16:06:25 -04:00
parent 515de3ac19
commit 60a52ed83d
30 changed files with 209 additions and 199 deletions
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changes/8712
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o Minor features (directory authorities):
- Directory authorities no longer vote against the "Fast",
"Stable", and "HSDir" flags just because they were going to vote
against "Running": if the consensus turns out to be that the
router was running, then the authority's vote should count.
Patch from Peter Retzlaff; closes issue 8712.
changes/bug12498
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o Major features (Ed25519 identity keys, Prop220):
- All relays now maintain a stronger identity key, using the
Ed25519 elliptic curve signature format. This master key is
designed so that it can be kept offline. Relays also generate
an online signing key, and a set of other Ed25519 keys and certificates.
These are all automatically regenerated and rotated as needed.
- Directory authorities track which Ed25519 identity keys have been
used with which RSA1024 identity keys, and do not allow them to vary
freely.
- Directory authorities now vote on Ed25519 identity keys along with
RSA1024 keys.
- Microdescriptors now include ed25519 identity keys.
o Major features (onion key cross-certification):
- Relay descriptors now include signatures of the identity keys using
the TAP and ntor onion keys. This allows relays to prove ownership of
their own onion keys. Because of this change, microdescriptors no longer
need to include RSA identity keys. Implements proposal 228;
closes ticket 12499.
o Code simplification and refactoring:
- The link authentication code has been refactored for better testability
and reliability. It now uses code generated with the "trunnel"
binary encoding generator, to reduce the risk of bugs due to
programmer error. Done as part of ticket 12498.
o Testing:
- The link authentication protocol code now has extensive tests.
- The relay descriptor signature testing code now has extensive tests.
changes/bug15881
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o Minor bugfixes (controller):
- Add the descriptor ID in each HS_DESC control event. It was missing
but specified in control-spec.txt. Fixes bug 15881; bugfix
on 0.2.5.2-alpha.
changes/bug16060
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o Minor bugfixes (hidden service):
- Fix a crash when reloading configuration while at least one
configured and one ephemeral hidden service exists. Fixes bug 16060;
bugfix on 0.2.7.1-alpha.
changes/bug16115-NULL-getinfo-onions
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o Minor fixes (threads, comments):
- Check for NULL values in getinfo_helper_onions
Patch by "teor". Fixes part of bug 16115; bugfix on 0.2.7.1-alpha.
changes/bug16115-init-var
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o Minor fixes (threads, comments):
- Always initialise return value in compute_desc_id in rendcommon.c
Patch by "teor".
Fixes part of bug 16115; bugfix on 0.2.7.1-alpha.
changes/bug16115-undef-directive-in-macro
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o Minor fixes (threads, comments):
- Remove undefined directive-in-macro in test_util_writepid
clang 3.7 complains that using a preprocessor directive inside
a macro invocation in test_util_writepid in test_util.c is undefined.
Patch by "teor". Fixes part of bug 16115; bugfix on 0.2.7.1-alpha.
changes/bug16152
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o Minor bugfixes (systemd):
- Fix an accidental formatting error that broke the systemd
configuration file. Fixes bug 16152; bugfix on 0.2.7.1-alpha.
changes/bug16228
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o Minor bugfixes (hidden services):
- Avoid crashing with a double-free bug when we create an
ephemeral hidden service but adding it fails for some reason.
Fixes bug 16228; bugfix on 0.2.7.1-alpha.
changes/bug16260
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o Minor bugfix (Hidden service)
- When cannibalizing a circuit for an introduction point, always extend
to the chosen exit node creating a 4 hop circuit instead of using the
current circuit exit node which resulted in changing the original
intro point choice. This resulted in the hidden service skipping
excluded nodes like for instance reconnecting to an expired intro
point. Fixes bug 16260; bugfix on 0.1.0.1-rc.
This is particularly important for the introduction point retry
behavior (see bug 8239) since cannibalization is allowed, which is
desired, so it's important to pin the chosen exit point.
changes/bug16288
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o Major bugfixes (open file limit):
- The max open file limit wasn't checked before calling
tor_accept_socket_nonblocking() which made tor go beyond the open
file limit set previously. With this fix, before opening a new socket,
tor validates the open file limit just before and if the max has been
reached, return EMFILE. Fixes bug 16288; bugfix on 0.1.1.1-alpha.
changes/bug16430
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o Minor features (client):
- Relax the validation done to hostnames in SOCKS5 requests, and allow
'_' to cope with domains observed in the wild that are serving non-RFC
compliant records. Resolves ticket 16430.
changes/bug16470
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o Minor bugfixes (tests):
- Use the configured Python executable when running test-stem-full. Fixes
bug 16470; bugfix on 0.2.7.1-alpha.
changes/bug16515-sandbox-cloexec
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o Minor fixes (sandbox, files):
- Use the sandbox in tor_open_cloexec whether or not O_CLOEXEC is defined.
Patch by "teor". Fixes bug 16515; bugfix on 0.2.3.1-alpha.
changes/bug16543
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o Removed features:
- Remove the HidServDirectoryV2 option. Now all relays offer to store
hidden service descriptors. Related to 16543.
- Remove the VoteOnHidServDirectoriesV2 option, since all authorities
have long set it to 1. Closes ticket 16543.
changes/bug4862
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o Major feature (Hidden Service):
- Remove the introduction point adaptative algorithm which is leaking
popularity by changing the amount of introduction points depending on
the amount of traffic the HS sees. With this, we stick to only 3
introduction points. Closes ticket 4862.
- Add the torrc option HiddenServiceNumIntroductionPoints for an
operatory to specify a fix amount of introduction points. Maximum
value is 10 and default is 3. Closes ticket 4862.
changes/faster-workqueue-test
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o Testing:
- The test_workqueue program now runs faster, and is enabled by
default as a part of "make check".
changes/feature13642
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o Major features:
- Add support for offline encrypted ed25519 master keys. To use
this feature on your tor relay, run "tor --keygen" to make a new
master key (or to make a new signing key if you already have a
master key). Closes ticket 13642.
changes/feature15220
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o Minor features (client, unix sockets):
- Add GroupWritable and WorldWritable options to unix-socket based
SocksPort and ControlPort options. These options apply to a single
socket, and override {Control,Socks}SocketsGroupWritable. Closes
ticket 15220.
changes/feature15817-clang-sanitizers
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o Minor enhancements (correctness, testing):
- Document use of coverity, clang static analyzer, and clang dynamic
undefined behavior and address sanitizers in doc/HACKING.
Add clang dynamic sanitizer blacklist in
contrib/clang/sanitizer_blacklist.txt to exempt known undefined
behavior. Include detailed usage instructions in the blacklist.
Patch by "teor". Closes ticket 15817.
changes/feature16052
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o Minor features (hidden service):
- Add the new options "HiddenServiceMaxStreams" and
"HiddenServiceMaxStreamsCloseCircuit" to allow hidden services to limit
the maximum number of simultaneous streams per circuit, and optionally
tear down the circuit when the limit is exceeded. Part of ticket 16052.
changes/feature16467
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o Minor feature (performance):
- Improve the runtime speed of Ed25519 operations by using the
public-domain ed25519-donna by Andrew M. ("floodyberry"). Implements
ticket 16467.
changes/feature9663
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o Minor feature (performance):
- Improve the runtime speed of the ntor handshake by using an
optimized curve25519 basepoint scalarmult implementation from the
public-domain ed25519-donna by Andrew M. ("floodyberry"), based on
ideas by Adam Langley. Implements ticket 9663.
changes/ticket15358
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o Features (control protocl):
- Support network-liveness GETINFO key and NETWORK_LIVENESS events in the
control protocol. Resolves ticket 15358.
changes/ticket16034
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o Removed features:
- Tor no longer supports versions of OpenSSL before 1.0. (If you
are on an operating system that has not upgraded to OpenSSL 1.0
or later, and you compile Tor from source, you will need to
install a more recent OpenSSL to link Tor against.)
Resolves ticket 16034.
changes/ticket16140
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o Removed features:
- Tor no longer supports copies of OpenSSL that are missing support for
Elliptic Curve Cryptography. In particular support for at least one of
P256 or P224 is now required, with manual configuration needed if only
P224 is available.
Resolves ticket 16140.
changes/ticket16189
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o Minor Features (crypto, testing):
- Now that OpenSSL has its own scrypt implementation, add an unit
test that checks for interoperability between libscrypt_scrypt()
and OpenSSL's EVP_PBE_scrypt() so that we could not use libscrypt
and rely on EVP_PBE_scrypt() whenever possible. Resolves ticket
16189.
changes/variadic_macros
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o Minor features (portability):
- Use C99 variadic macros when the compiler is not GCC. This avoids
failing compilations on MSVC, and fixes a log-file-based race
condition in our old workarounds. Original patch from Gisle Vanem.
changes/win-macros
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o Code simplification and refactoring:
- Define WINVER and _WIN32_WINNT centrally, in orconfig.h, in order
to ensure they remain consistent and visible everywhere.
- Remove some vestigial workarounds for the MSVC6 compiler. We haven't
supported that in ages.