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CVS commit: pkgsrc/net/tor
Module Name: pkgsrc
Committed By: wiz
Date: Tue Dec 8 13:19:38 UTC 2015
Modified Files:
pkgsrc/net/tor: Makefile distinfo
pkgsrc/net/tor/files: tor.in
Removed Files:
pkgsrc/net/tor/patches: patch-aa
Log Message:
Update tor to latest stable release, 0.2.7.5.
Changes in version 0.2.7.5 - 2015-11-20
The Tor 0.2.7 release series is dedicated to the memory of Tor user
and privacy advocate Caspar Bowden (1961-2015). Caspar worked
tirelessly to advocate human rights regardless of national borders,
and oppose the encroachments of mass surveillance. He opposed national
exceptionalism, he brought clarity to legal and policy debates, he
understood and predicted the impact of mass surveillance on the world,
and he laid the groundwork for resisting it. While serving on the Tor
Project's board of directors, he brought us his uncompromising focus
on technical excellence in the service of humankind. Caspar was an
inimitable force for good and a wonderful friend. He was kind,
humorous, generous, gallant, and believed we should protect one
another without exception. We honor him here for his ideals, his
efforts, and his accomplishments. Please honor his memory with works
that would make him proud.
Tor 0.2.7.5 is the first stable release in the Tor 0.2.7 series.
The 0.2.7 series adds a more secure identity key type for relays,
improves cryptography performance, resolves several longstanding
hidden-service performance issues, improves controller support for
hidden services, and includes small bugfixes and performance
improvements throughout the program. This release series also includes
more tests than before, and significant simplifications to which parts
of Tor invoke which others.
(This release contains no code changes since 0.2.7.4-rc.)
Changes in version 0.2.7.4-rc - 2015-10-21
Tor 0.2.7.4-rc is the second release candidate in the 0.2.7 series. It
fixes some important memory leaks, and a scary-looking (but mostly
harmless in practice) invalid-read bug. It also has a few small
bugfixes, notably fixes for compilation and portability on different
platforms. If no further significant bounds are found, the next
release will the the official stable release.
o Major bugfixes (security, correctness):
- Fix an error that could cause us to read 4 bytes before the
beginning of an openssl string. This bug could be used to cause
Tor to crash on systems with unusual malloc implementations, or
systems with unusual hardening installed. Fixes bug 17404; bugfix
on 0.2.3.6-alpha.
o Major bugfixes (correctness):
- Fix a use-after-free bug in validate_intro_point_failure(). Fixes
bug 17401; bugfix on 0.2.7.3-rc.
o Major bugfixes (memory leaks):
- Fix a memory leak in ed25519 batch signature checking. Fixes bug
17398; bugfix on 0.2.6.1-alpha.
- Fix a memory leak in rend_cache_failure_entry_free(). Fixes bug
17402; bugfix on 0.2.7.3-rc.
- Fix a memory leak when reading an expired signing key from disk.
Fixes bug 17403; bugfix on 0.2.7.2-rc.
o Minor features (geoIP):
- Update geoip and geoip6 to the October 9 2015 Maxmind GeoLite2
Country database.
o Minor bugfixes (compilation):
- Repair compilation with the most recent (unreleased, alpha)
vesions of OpenSSL 1.1. Fixes part of ticket 17237.
- Fix an integer overflow warning in test_crypto_slow.c. Fixes bug
17251; bugfix on 0.2.7.2-alpha.
- Fix compilation of sandbox.c with musl-libc. Fixes bug 17347;
bugfix on 0.2.5.1-alpha. Patch from 'jamestk'.
o Minor bugfixes (portability):
- Use libexecinfo on FreeBSD to enable backtrace support. Fixes part
of bug 17151; bugfix on 0.2.5.2-alpha. Patch from Marcin Cieślak.
o Minor bugfixes (sandbox):
- Add the "hidserv-stats" filename to our sandbox filter for the
HiddenServiceStatistics option to work properly. Fixes bug 17354;
bugfix on tor-0.2.6.2-alpha. Patch from David Goulet.
o Minor bugfixes (testing):
- Add unit tests for get_interface_address* failure cases. Fixes bug
17173; bugfix on 0.2.7.3-rc. Patch by fk/teor.
- Fix breakage when running 'make check' with BSD make. Fixes bug
17154; bugfix on 0.2.7.3-rc. Patch by Marcin Cieślak.
- Make the get_ifaddrs_* unit tests more tolerant of different
network configurations. (Don't assume every test box has an IPv4
address, and don't assume every test box has a non-localhost
address.) Fixes bug 17255; bugfix on 0.2.7.3-rc. Patch by "teor".
- Skip backtrace tests when backtrace support is not compiled in.
Fixes part of bug 17151; bugfix on 0.2.7.1-alpha. Patch from
Marcin Cieślak.
o Documentation:
- Fix capitalization of SOCKS in sample torrc. Closes ticket 15609.
- Note that HiddenServicePorts can take a unix domain socket. Closes
ticket 17364.
Changes in version 0.2.7.3-rc - 2015-09-25
Tor 0.2.7.3-rc is the first release candidate in the 0.2.7 series. It
contains numerous usability fixes for Ed25519 keys, safeguards against
several misconfiguration problems, significant simplifications to
Tor's callgraph, and numerous bugfixes and small features.
This is the most tested release of Tor to date. The unit tests cover
39.40% of the code, and the integration tests (accessible with "make
test-full-online", requiring stem and chutney and a network
connection) raise the coverage to 64.49%.
o Major features (security, hidden services):
- Hidden services, if using the EntryNodes option, are required to
use more than one EntryNode, in order to avoid a guard discovery
attack. (This would only affect people who had configured hidden
services and manually specified the EntryNodes option with a
single entry-node. The impact was that it would be easy to
remotely identify the guard node used by such a hidden service.
See ticket for more information.) Fixes ticket 14917.
o Major features (Ed25519 keys, keypinning):
- The key-pinning option on directory authorities is now advisory-
only by default. In a future version, or when the AuthDirPinKeys
option is set, pins are enforced again. Disabling key-pinning
seemed like a good idea so that we can survive the fallout of any
usability problems associated with Ed25519 keys. Closes
ticket 17135.
o Major features (Ed25519 performance):
- Improve the speed of Ed25519 operations and Curve25519 keypair
generation when built targeting 32 bit x86 platforms with SSE2
available. Implements ticket 16535.
- Improve the runtime speed of Ed25519 signature verification by
using Ed25519-donna's batch verification support. Implements
ticket 16533.
o Major features (performance testing):
- The test-network.sh script now supports performance testing.
Requires corresponding chutney performance testing changes. Patch
by "teor". Closes ticket 14175.
o Major features (relay, Ed25519):
- Significant usability improvements for Ed25519 key management. Log
messages are better, and the code can recover from far more
failure conditions. Thanks to "s7r" for reporting and diagnosing
so many of these!
- Add a new OfflineMasterKey option to tell Tor never to try loading
or generating a secret Ed25519 identity key. You can use this in
combination with tor --keygen to manage offline and/or encrypted
Ed25519 keys. Implements ticket 16944.
- Add a --newpass option to allow changing or removing the
passphrase of an encrypted key with tor --keygen. Implements part
of ticket 16769.
- On receiving a HUP signal, check to see whether the Ed25519
signing key has changed, and reload it if so. Closes ticket 16790.
o Major bugfixes (relay, Ed25519):
- Avoid crashing on 'tor --keygen'. Fixes bug 16679; bugfix on
0.2.7.2-alpha. Reported by "s7r".
- Improve handling of expired signing keys with offline master keys.
Fixes bug 16685; bugfix on 0.2.7.2-alpha. Reported by "s7r".
o Minor features (client-side privacy):
- New KeepAliveIsolateSOCKSAuth option to indefinitely extend circuit
lifespan when IsolateSOCKSAuth and streams with SOCKS
authentication are attached to the circuit. This allows
applications like TorBrowser to manage circuit lifetime on their
own. Implements feature 15482.
- When logging malformed hostnames from SOCKS5 requests, respect
SafeLogging configuration. Fixes bug 16891; bugfix on 0.1.1.16-rc.
o Minor features (compilation):
- Give a warning as early as possible when trying to build with an
unsupported OpenSSL version. Closes ticket 16901.
- Fail during configure if we're trying to build against an OpenSSL
built without ECC support. Fixes bug 17109, bugfix on 0.2.7.1-alpha
which started requiring ECC.
o Minor features (geoip):
- Update geoip and geoip6 to the September 3 2015 Maxmind GeoLite2
Country database.
o Minor features (hidden services):
- Relays need to have the Fast flag to get the HSDir flag. As this
is being written, we'll go from 2745 HSDirs down to 2342, a ~14%
drop. This change should make some attacks against the hidden
service directory system harder. Fixes ticket 15963.
- Turn on hidden service statistics collection by setting the torrc
option HiddenServiceStatistics to "1" by default. (This keeps
track only of the fraction of traffic used by hidden services, and
the total number of hidden services in existence.) Closes
ticket 15254.
- Client now uses an introduction point failure cache to know when
to fetch or keep a descriptor in their cache. Previously, failures
were recorded implicitly, but not explicitly remembered. Closes
ticket 16389.
o Minor features (testing, authorities, documentation):
- New TestingDirAuthVote{Exit,Guard,HSDir}IsStrict flags to
explicitly manage consensus flags in testing networks. Patch by
"robgjansen", modified by "teor". Implements part of ticket 14882.
o Minor bugfixes (security, exit policies):
- ExitPolicyRejectPrivate now also rejects the relay's published
IPv6 address (if any), and any publicly routable IPv4 or IPv6
addresses on any local interfaces. ticket 17027. Patch by "teor".
Fixes bug 17027; bugfix on 0.2.0.11-alpha.
o Minor bug fixes (torrc exit policies):
- In torrc, "accept6 *" and "reject6 *" ExitPolicy lines now only
produce IPv6 wildcard addresses. Previously they would produce
both IPv4 and IPv6 wildcard addresses. Patch by "teor". Fixes part
of bug 16069; bugfix on 0.2.4.7-alpha.
- When parsing torrc ExitPolicies, we now warn for a number of cases
where the user's intent is likely to differ from Tor's actual
behavior. These include: using an IPv4 address with an accept6 or
reject6 line; using "private" on an accept6 or reject6 line; and
including any ExitPolicy lines after accept *:* or reject *:*.
Related to ticket 16069.
- When parsing torrc ExitPolicies, we now issue an info-level
message when expanding an "accept/reject *" line to include both
IPv4 and IPv6 wildcard addresses. Related to ticket 16069.
- In each instance above, usage advice is provided to avoid the
message. Resolves ticket 16069. Patch by "teor". Fixes part of bug
16069; bugfix on 0.2.4.7-alpha.
o Minor bugfixes (authority):
- Don't assign "HSDir" to a router if it isn't Valid and Running.
Fixes bug 16524; bugfix on 0.2.7.2-alpha.
- Downgrade log messages about Ed25519 key issues if they are in old
cached router descriptors. Fixes part of bug 16286; bugfix
on 0.2.7.2-alpha.
- When we find an Ed25519 key issue in a cached descriptor, stop
saying the descriptor was just "uploaded". Fixes another part of
bug 16286; bugfix on 0.2.7.2-alpha.
o Minor bugfixes (control port):
- Repair a warning and a spurious result when getting the maximum
number of file descriptors from the controller. Fixes bug 16697;
bugfix on 0.2.7.2-alpha.
o Minor bugfixes (correctness):
- When calling channel_free_list(), avoid calling smartlist_remove()
while inside a FOREACH loop. This partially reverts commit
17356fe7fd96af where the correct SMARTLIST_DEL_CURRENT was
incorrectly removed. Fixes bug 16924; bugfix on 0.2.4.4-alpha.
o Minor bugfixes (documentation):
- Advise users on how to configure separate IPv4 and IPv6 exit
policies in the manpage and sample torrcs. Related to ticket 16069.
- Fix the usage message of tor-resolve(1) so that it no longer lists
the removed -F option. Fixes bug 16913; bugfix on 0.2.2.28-beta.
- Fix an error in the manual page and comments for
TestingDirAuthVoteHSDir[IsStrict], which suggested that a HSDir
required "ORPort connectivity". While this is true, it is in no
way unique to the HSDir flag. Of all the flags, only HSDirs need a
DirPort configured in order for the authorities to assign that
particular flag. Patch by "teor". Fixed as part of 14882; bugfix
on 0.2.6.3-alpha.
o Minor bugfixes (Ed25519):
- Fix a memory leak when reading router descriptors with expired
Ed25519 certificates. Fixes bug 16539; bugfix on 0.2.7.2-alpha.
o Minor bugfixes (linux seccomp2 sandbox):
- Allow bridge authorities to run correctly under the seccomp2
sandbox. Fixes bug 16964; bugfix on 0.2.5.1-alpha.
- Allow routers with ed25519 keys to run correctly under the
seccomp2 sandbox. Fixes bug 16965; bugfix on 0.2.7.2-alpha.
o Minor bugfixes (open file limit):
- Fix set_max_file_descriptors() to set by default the max open file
limit to the current limit when setrlimit() fails. Fixes bug
16274; bugfix on tor- 0.2.0.10-alpha. Patch by dgoulet.
o Minor bugfixes (portability):
- Try harder to normalize the exit status of the Tor process to the
standard-provided range. Fixes bug 16975; bugfix on every version
of Tor ever.
- Check correctly for Windows socket errors in the workqueue
backend. Fixes bug 16741; bugfix on 0.2.6.3-alpha.
- Fix the behavior of crypto_rand_time_range() when told to consider
times before 1970. (These times were possible when running in a
simulated network environment where time()'s output starts at
zero.) Fixes bug 16980; bugfix on 0.2.7.1-alpha.
- Restore correct operation of TLS client-cipher detection on
OpenSSL 1.1. Fixes bug 14047; bugfix on 0.2.7.2-alpha.
o Minor bugfixes (relay):
- Ensure that worker threads actually exit when a fatal error or
shutdown is indicated. This fix doesn't currently affect the
behavior of Tor, because Tor workers never indicates fatal error
or shutdown except in the unit tests. Fixes bug 16868; bugfix
on 0.2.6.3-alpha.
- Unblock threads before releasing the work queue mutex to ensure
predictable scheduling behavior. Fixes bug 16644; bugfix
on 0.2.6.3-alpha.
o Code simplification and refactoring:
- Change the function that's called when we need to retry all
downloads so that it only reschedules the downloads to happen
immediately, rather than launching them all at once itself. This
further simplifies Tor's callgraph.
- Move some format-parsing functions out of crypto.c and
crypto_curve25519.c into crypto_format.c and/or util_format.c.
- Move the client-only parts of init_keys() into a separate
function. Closes ticket 16763.
- Simplify the microdesc_free() implementation so that it no longer
appears (to code analysis tools) to potentially invoke a huge
suite of other microdesc functions.
- Simply the control graph further by deferring the inner body of
directory_all_unreachable() into a callback. Closes ticket 16762.
- Treat the loss of an owning controller as equivalent to a SIGTERM
signal. This removes a tiny amount of duplicated code, and
simplifies our callgraph. Closes ticket 16788.
- When generating an event to send to the controller, we no longer
put the event over the network immediately. Instead, we queue
these events, and use a Libevent callback to deliver them. This
change simplifies Tor's callgraph by reducing the number of
functions from which all other Tor functions are reachable. Closes
ticket 16695.
- Wrap Windows-only C files inside '#ifdef _WIN32' so that tools
that try to scan or compile every file on Unix won't decide that
they are broken.
- Remove the unused "nulterminate" argument from buf_pullup().
o Documentation:
- Recommend a 40 GB example AccountingMax in torrc.sample rather
than a 4 GB max. Closes ticket 16742.
- Include the TUNING document in our source tarball. It is referred
to in the ChangeLog and an error message. Fixes bug 16929; bugfix
on 0.2.6.1-alpha.
o Removed code:
- The internal pure-C tor-fw-helper tool is now removed from the Tor
distribution, in favor of the pure-Go clone available from
https://gitweb.torproject.org/tor-fw-helper.git/ . The libraries
used by the C tor-fw-helper are not, in our opinion, very
confidence- inspiring in their secure-programming techniques.
Closes ticket 13338.
- Remove the code that would try to aggressively flush controller
connections while writing to them. This code was introduced in
0.1.2.7-alpha, in order to keep output buffers from exceeding
their limits. But there is no longer a maximum output buffer size,
and flushing data in this way caused some undesirable recursions
in our call graph. Closes ticket 16480.
o Testing:
- Make "bridges+hs" the default test network. This tests almost all
tor functionality during make test-network, while allowing tests
to succeed on non-IPv6 systems. Requires chutney commit 396da92 in
test-network-bridges-hs. Closes tickets 16945 (tor) and 16946
(chutney). Patches by "teor".
- Autodetect CHUTNEY_PATH if the chutney and Tor sources are side-
by-side in the same parent directory. Closes ticket 16903. Patch
by "teor".
- Use environment variables rather than autoconf substitutions to
send variables from the build system to the test scripts. This
change should be easier to maintain, and cause 'make distcheck' to
work better than before. Fixes bug 17148.
- Add a new set of callgraph analysis scripts that use clang to
produce a list of which Tor functions are reachable from which
other Tor functions. We're planning to use these to help simplify
our code structure by identifying illogical dependencies.
- Add new 'test-full' and 'test-full-online' targets to run all
tests, including integration tests with stem and chutney.
- Make the test-workqueue test work on Windows by initializing the
network before we begin.
- New make target (make test-network-all) to run multiple applicable
chutney test cases. Patch from Teor; closes 16953.
- Unit test dns_resolve(), dns_clip_ttl() and dns_get_expiry_ttl()
functions in dns.c. Implements a portion of ticket 16831.
- When building Tor with testing coverage enabled, run Chutney tests
(if any) using the 'tor-cov' coverage binary.
- When running test-network or test-stem, check for the absence of
stem/chutney before doing any build operations.
Changes in version 0.2.7.2-alpha - 2015-07-27
This, the second alpha in the Tor 0.2.7 series, has a number of new
features, including a way to manually pick the number of introduction
points for hidden services, and the much stronger Ed25519 signing key
algorithm for regular Tor relays (including support for encrypted
offline identity keys in the new algorithm).
Support for Ed25519 on relays is currently limited to signing router
descriptors; later alphas in this series will extend Ed25519 key
support to more parts of the Tor protocol.
o Major features (Ed25519 identity keys, Proposal 220):
- 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.
Implements part of ticket 12498.
- Directory authorities now vote on Ed25519 identity keys along with
RSA1024 keys. Implements part of ticket 12498.
- Directory authorities track which Ed25519 identity keys have been
used with which RSA1024 identity keys, and do not allow them to
vary freely. Implements part of ticket 12498.
- Microdescriptors now include Ed25519 identity keys. Implements
part of ticket 12498.
- 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.
o Major features (Hidden services):
- Add the torrc option HiddenServiceNumIntroductionPoints, to
specify a fixed number of introduction points. Its maximum value
is 10 and default is 3. Using this option can increase a hidden
service's reliability under load, at the cost of making it more
visible that the hidden service is facing extra load. Closes
ticket 4862.
- Remove the adaptive algorithm for choosing the number of
introduction points, which used to change the number of
introduction points (poorly) depending on the number of
connections the HS sees. Closes ticket 4862.
o Major features (onion key cross-certification):
- Relay descriptors now include signatures of their own identity
keys, made using the TAP and ntor onion keys. These signatures
allow relays to prove ownership of their own onion keys. Because
of this change, microdescriptors will no longer need to include
RSA identity keys. Implements proposal 228; closes ticket 12499.
o Major features (performance):
- Improve the runtime speed of Ed25519 operations by using the
public-domain Ed25519-donna by Andrew M. ("floodyberry").
Implements ticket 16467.
- 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.
o Major bugfixes (client-side privacy, also in 0.2.6.9):
- Properly separate out each SOCKSPort when applying stream
isolation. The error occurred because each port's session group
was being overwritten by a default value when the listener
connection was initialized. Fixes bug 16247; bugfix on
0.2.6.3-alpha. Patch by "jojelino".
o Major bugfixes (hidden service clients, stability, also in 0.2.6.10):
- Stop refusing to store updated hidden service descriptors on a
client. This reverts commit 9407040c59218 (which indeed fixed bug
14219, but introduced a major hidden service reachability
regression detailed in bug 16381). This is a temporary fix since
we can live with the minor issue in bug 14219 (it just results in
some load on the network) but the regression of 16381 is too much
of a setback. First-round fix for bug 16381; bugfix
on 0.2.6.3-alpha.
o Major bugfixes (hidden services):
- When cannibalizing a circuit for an introduction point, always
extend to the chosen exit node (creating a 4 hop circuit).
Previously Tor would use the current circuit exit node, which
changed the original choice of introduction point, and could cause
the hidden service to skip excluded introduction points or
reconnect to a skipped introduction point. Fixes bug 16260; bugfix
on 0.1.0.1-rc.
o Major bugfixes (open file limit):
- The open file limit wasn't checked before calling
tor_accept_socket_nonblocking(), which would make Tor exceed the
limit. Now, before opening a new socket, Tor validates the open
file limit just before, and if the max has been reached, return an
error. Fixes bug 16288; bugfix on 0.1.1.1-alpha.
o Major bugfixes (stability, also in 0.2.6.10):
- Stop crashing with an assertion failure when parsing certain kinds
of malformed or truncated microdescriptors. Fixes bug 16400;
bugfix on 0.2.6.1-alpha. Found by "torkeln"; fix based on a patch
by "cypherpunks_backup".
- Stop random client-side assertion failures that could occur when
connecting to a busy hidden service, or connecting to a hidden
service while a NEWNYM is in progress. Fixes bug 16013; bugfix
on 0.1.0.1-rc.
o Minor features (directory authorities, security, also in 0.2.6.9):
- The HSDir flag given by authorities now requires the Stable flag.
For the current network, this results in going from 2887 to 2806
HSDirs. Also, it makes it harder for an attacker to launch a sybil
attack by raising the effort for a relay to become Stable to
require at the very least 7 days, while maintaining the 96 hours
uptime requirement for HSDir. Implements ticket 8243.
o Minor features (client):
- Relax the validation of hostnames in SOCKS5 requests, allowing the
character '_' to appear, in order to cope with domains observed in
the wild that are serving non-RFC compliant records. Resolves
ticket 16430.
- Relax the validation done to hostnames in SOCKS5 requests, and
allow a single trailing '.' to cope with clients that pass FQDNs
using that syntax to explicitly indicate that the domain name is
fully-qualified. Fixes bug 16674; bugfix on 0.2.6.2-alpha.
- 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.
o Minor features (control protocol):
- Support network-liveness GETINFO key and NETWORK_LIVENESS event in
the control protocol. Resolves ticket 15358.
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.
o Minor features (geoip, also in 0.2.6.10):
- Update geoip to the June 3 2015 Maxmind GeoLite2 Country database.
- Update geoip6 to the June 3 2015 Maxmind GeoLite2 Country database.
o Minor features (hidden services):
- 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.
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.
o Minor bugfixes (compilation, also in 0.2.6.9):
- Build with --enable-systemd correctly when libsystemd is
installed, but systemd is not. Fixes bug 16164; bugfix on
0.2.6.3-alpha. Patch from Peter Palfrader.
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.
o Minor bugfixes (crypto error-handling, also in 0.2.6.10):
- Check for failures from crypto_early_init, and refuse to continue.
A previous typo meant that we could keep going with an
uninitialized crypto library, and would have OpenSSL initialize
its own PRNG. Fixes bug 16360; bugfix on 0.2.5.2-alpha, introduced
when implementing ticket 4900. Patch by "teor".
o Minor bugfixes (hidden services):
- 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.
- 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.
o Minor bugfixes (Linux seccomp2 sandbox):
- 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.
o Minor bugfixes (Linux seccomp2 sandbox, also in 0.2.6.10):
- Allow pipe() and pipe2() syscalls in the seccomp2 sandbox: we need
these when eventfd2() support is missing. Fixes bug 16363; bugfix
on 0.2.6.3-alpha. Patch from "teor".
o Minor bugfixes (Linux seccomp2 sandbox, also in 0.2.6.9):
- Fix sandboxing to work when running as a relay, by allowing the
renaming of secret_id_key, and allowing the eventfd2 and futex
syscalls. Fixes bug 16244; bugfix on 0.2.6.1-alpha. Patch by
Peter Palfrader.
- Allow systemd connections to work with the Linux seccomp2 sandbox
code. Fixes bug 16212; bugfix on 0.2.6.2-alpha. Patch by
Peter Palfrader.
o Minor bugfixes (relay):
- Fix a rarely-encountered memory leak when failing to initialize
the thread pool. Fixes bug 16631; bugfix on 0.2.6.3-alpha. Patch
from "cypherpunks".
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.
- Tor's systemd unit file no longer contains extraneous spaces.
These spaces would sometimes confuse tools like deb-systemd-
helper. Fixes bug 16162; bugfix on 0.2.5.5-alpha.
o Minor bugfixes (tests):
- Use the configured Python executable when running test-stem-full.
Fixes bug 16470; bugfix on 0.2.7.1-alpha.
o Minor bugfixes (tests, also in 0.2.6.9):
- Fix a crash in the unit tests when built with MSVC2013. Fixes bug
16030; bugfix on 0.2.6.2-alpha. Patch from "NewEraCracker".
o Minor bugfixes (threads, comments):
- Always initialize return value in compute_desc_id in rendcommon.c
Patch by "teor". Fixes part of bug 16115; bugfix on 0.2.7.1-alpha.
- Check for NULL values in getinfo_helper_onions(). Patch by "teor".
Fixes part of bug 16115; bugfix on 0.2.7.1-alpha.
- 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.
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.
- 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 Documentation:
- Include a specific and (hopefully) accurate documentation of the
torrc file's meta-format in doc/torrc_format.txt. This is mainly
of interest to people writing programs to parse or generate torrc
files. This document is not a commitment to long-term
compatibility; some aspects of the current format are a bit
ridiculous. Closes ticket 2325.
o Removed features:
- Tor no longer supports copies of OpenSSL that are missing support
for Elliptic Curve Cryptography. (We began using ECC when
available in 0.2.4.8-alpha, for more safe and efficient key
negotiation.) 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.
- 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.) These versions of
OpenSSL are still supported by the OpenSSL, but the numerous
cryptographic improvements in later OpenSSL releases makes them a
clear choice. Resolves ticket 16034.
- 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.
o Testing:
- Document use of coverity, clang static analyzer, and clang dynamic
undefined behavior and address sanitizers in doc/HACKING. Include
detailed usage instructions in the blacklist. Patch by "teor".
Closes ticket 15817.
- The link authentication protocol code now has extensive tests.
- The relay descriptor signature testing code now has
extensive tests.
- The test_workqueue program now runs faster, and is enabled by
default as a part of "make check".
- 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.
To generate a diff of this commit:
cvs rdiff -u -r1.105 -r1.106 pkgsrc/net/tor/Makefile
cvs rdiff -u -r1.67 -r1.68 pkgsrc/net/tor/distinfo
cvs rdiff -u -r1.3 -r1.4 pkgsrc/net/tor/files/tor.in
cvs rdiff -u -r1.10 -r0 pkgsrc/net/tor/patches/patch-aa
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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