Remove changes files that have already been in changelogs for 0.4.6

This commit is contained in:
Nick Mathewson 2021-08-26 11:20:53 -04:00
parent bbbeed942f
commit 29ec66fb39
28 changed files with 0 additions and 114 deletions

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o Minor features (compilation):
- Make the autoconf script build correctly with autoconf versions 2.70
and later. Closes part of ticket 40335.

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o Minor bugfix (crypto):
- Disable the unused batch verification feature of ed25519-donna. Fixes
bug 40078; bugfix on 0.2.6.1-alpha. Found by Henry de Valence.

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o Minor features (logging, diagnostic):
- Log decompression failures at a higher severity level, since they
can help provide missing context for other warning messages.
We rate-limit these messages, to avoid flooding the logs if they
begin to occur frequently. Closes ticket 40175.

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o Minor bugfixes (consensus handling):
- Avoid a set of bugs that could be caused by inconsistently preferring
an out-of-date consensus stored in a stale directory cache over
a more recent one stored on disk as the latest consensus.
Fixes bug 40375; bugfix on 0.3.1.1-alpha.

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o Minor bugfixes (compiler warnings):
- Fix an indentation problem that led to a warning from GCC 11.1.1.
Fixes bug 40380; bugfix on 0.3.0.1-alpha.

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o Minor bugfixes (timekeeping):
- Calculate the time of day correctly on systems where the time_t
type includes leap seconds. (This is not the case on most
operating systems, but on those where it occurs, our tor_timegm
function did not correctly invert the system's gmtime function,
which could result in assertion failures when calculating
voting schedules.) Fixes bug 40383; bugfix on 0.2.0.3-alpha.

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o Major bugfixes (security):
- Resist a hashtable-based CPU denial-of-service attack against
relays. Previously we used a naive unkeyed hash function to look up
circuits in a circuitmux object. An attacker could exploit this to
construct circuits with chosen circuit IDs in order to try to create
collisions and make the hash table inefficient. Now we use a SipHash
construction for this hash table instead. Fixes bug 40391; bugfix on
0.2.4.4-alpha. This issue is also tracked as TROVE-2021-005.
Reported by Jann Horn from Google's Project Zero.

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o Major bugfixes (security, denial of service, onion services):
- Fix an out-of-bounds memory access in v3 descriptor parsing. Fixes bug
40392; bugfix on 0.3.0.1-alpha. This issue is also tracked as
TROVE-2021-006. Reported by Sergei Glazunov from Google's Project Zero.

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o Minor features (compatibility):
- Remove an assertion function related to TLS renegotiation.
It was used nowhere outside the unit tests, and it was breaking
compilation with recent alpha releases of OpenSSL 3.0.0.
Closes ticket 40399.

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o Minor bugfixes (warnings, portability):
- Suppress a strict-prototype warning when building with some versions
of NSS. Fixes bug 40409; bugfix on 0.3.5.1-alpha.

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o Minor features (geoip data):
- Update the geoip files to match the IPFire Location Database,
as retrieved on 2021/05/07.

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o Minor features (geoip data):
- Update the geoip files to match the IPFire Location Database,
as retrieved on 2021/06/10.

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o Minor features (geoip data):
- Update the geoip files to match the IPFire Location Database,
as retrieved on 2021/08/12.

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o Minor bugfix (logging, relay):
- Emit a warning if an Address is found to be internal and tor can't use it.
Fixes bug 40290; bugfix on 0.4.5.1-alpha.

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o Minor bugfixes (relay):
- Reduce the compression level for data streaming from HIGH to LOW. Fixes
bug 40301; bugfix on 0.3.5.1-alpha.

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o Minor bugfix (onion service, client, memory leak):
- An expired cached descriptor could have been overwritten with a new one
leading to a memory leak. Fixes bug 40356; bugfix on 0.3.5.1-alpha.

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o Minor bugfixes (build, cross-compilation):
- Allow a custom "ar" for cross-compilation. Our previous build script
had used the $AR environment variable in most places, but it missed
one. Fixes bug 40369; bugfix on 0.4.5.1-alpha.

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o Minor bugfix (metrics port):
- Fix a bug that made tor try to re-bind() every 60 seconds on an already
open MetricsPort. Fixes bug 40370; bugfix on 0.4.5.1-alpha.

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o Minor features (onion services):
- Add warning message when connecting to deprecated v2 onions.
Closes ticket 40373.

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o Removed features:
- Remove unneeded code for parsing private keys in directory documents.
This code was only used for client authentication in v2 onion
services, which are now unsupported. Closes ticket 40374.

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o Major bugfixes (onion service, control port):
- Make the ADD_ONION command properly configure client authorization. Before
this fix, the created onion failed to add the client(s). Fixes bug 40378;
bugfix on 0.4.6.1-alpha.

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o Minor features (compatibility, Linux seccomp sandbox):
- Add a workaround to enable the Linux sandbox to work correctly
on systems running Glibc 2.33. These versions have started
using the fstatat() system call, which previously our sandbox did not
allow.
Closes ticket 40382; see the ticket for a discussion of tradeoffs.

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o Major bugfixes (relay, TROVE):
- Don't allow entry or middle relays to spoof RELAY_END or RELAY_RESOLVED
cell on half-closed streams. Fixes bug 40389; bugfix on 0.3.5.1-alpha.

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o Major bugfixes (security, defense-in-depth):
- Detect a wider variety of failure conditions from the OpenSSL RNG
code. Previously, we would detect errors from a missing RNG
implementation, but not failures from the RNG code itself.
Fortunately, it appears those failures do not happen in practice
when Tor is using OpenSSL's default RNG implementation.
Fixes bug 40390; bugfix on 0.2.8.1-alpha. This issue is also tracked as
TROVE-2021-004. Reported by Jann Horn at Google's Project Zero.

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o Minor bugfixes (compilation):
- Fix a compilation error when trying to build Tor with a compiler that
does not support expanding statitically initialized const values in
macro's. Fixes bug 40410; bugfix on 0.4.6.5.

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o Minor features (testing):
- Enable the deterministic RNG for unit tests that covers the address set
bloomfilter-based API's. Fixes bug 40419; bugfix on 0.3.3.2-alpha.

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o Minor bugfixes (onion service):
- Send back the extended SOCKS error 0xF6 for a v2 onion address. Fixes bug
40421; bugfix on 0.4.6.2-alpha.

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o Minor feature (fallbackdir):
- Regenerate fallback directories list. Close ticket 40447.