Allow one-hop directory fetching circuits the full "circuit build timeout"
period, rather than just half of it, before failing them and marking
the relay down. This fix should help reduce cases where clients declare
relays (or worse, bridges) unreachable because the TLS handshake takes
a few seconds to complete.

Fixes bug 6743 (one piece of bug 3443); bugfix on 0.2.2.2-alpha, where
we changed the timeout from a static 30 seconds.

Bugfix for #6732.

Fix for #6251

We've had over two months to fix them, and didn't.  Now we need
0.2.3.x stable.  Yes, it would be cool to get this working in
0.2.3.x, but not at the expense of delaying every other feature that
_does_ work in 0.2.3.x.  We can do a real fix in 0.2.4.

a router that another router wasn't already connected to.

This can create a remote crash opportunity for/against directory
authorities.

This is important, since otherwise an attacker can use timing info
to probe the internal network.

Also, add an option (ExtendAllowPrivateAddresses) so that
TestingTorNetwork won't break.

Fix for bug 6710; bugfix on all released versions of Tor.

Failure to do this would lead to double-free cases and similar,
especially when the exit's DNS was broken. See bug 6472 for full
details; this is a fix for 6472.

Anonymous patch from "cypherpunks" on trac.

Linus Nordberg authored 12 years ago and Nick Mathewson committed 12 years ago

Closes #6423.

Also promote log messages to notice and rate-limit them.

The warning fixes are:
  - Only define issetugid if it's missing.
  - Explicitly ignore the return value of writev.
  - Explicitly cast the retval of readlink() to int.

The 64-bit problems are related to just storing a size_t in an int. Not cool!  Use a size_t instead.

Fix for bug 6379. Bugfix on 0.2.0.20-rc, which introduced openbsd-malloc.

Apparently, we weren't actually detecting wildcardedness when parsing
them: whoops!

bug 6244.  Bugfix on 0.2.3.9-alpha

Spotted by asn

Thanks to the changes we started making with SocksPort and friends
in 0.2.3.3-alpha, any of our code that did "if (options->Sockport)"
became wrong, since "SocksPort 0" would make that test true whereas
using the default SocksPort value would make it false.  (We didn't
actually do "if (options->SockPort)" but we did have tests for
TransPort.  When we moved DirPort, ORPort, and ControlPort over to
the same system in 0.2.3.9-alpha, the problem got worse, since our
code is littered with checks for DirPort and ORPort as booleans.

This code renames the current linelist-based FooPort options to
FooPort_lines, and adds new FooPort_set options which get set at
parse-and-validate time on the or_options_t.  FooPort_set is true
iff we will actually try to open a listener of the given type. (I
renamed the FooPort options rather than leave them alone so that
every previous user of a FooPort would need to get inspected, and so
that any new code that forgetfully uses FooPort will need fail to
compile.)

Fix for bug 6507.

I don't personally agree that this is likely to be easy to exploit,
and some initial experimention I've done suggests that cache-miss
times are just plain too fast to get useful info out of when they're
mixed up with the rest of Tor's timing noise.  Nevertheless, I'm
leaving Robert's initial changelog entry in the git history so that he
can be the voice of reason if I'm wrong. :)

Robert Ransom authored 12 years ago and Nick Mathewson committed 12 years ago

Tor's and OpenSSL's current design guarantee that there are other leaks,
but this one is likely to be more easily exploitable, and is easy to fix.

Fix for 6530; fix on 0.2.2.6-alpha.

I can't currently find a bug here, but there are a couple of
near-misses.  Addresses ticket 6514; reported pseudonymously on
IRC.

Fixes 6480; fix on 0.2.0.1-alpha; based on pseudonymous patch.

In 0.2.3.18-rc, we started warning on this case while building a
list of missing microdescriptor digests.  That turned out to spam
the logs; instead let's warn at parse time.

Partial fix for bug 6404.

The spec requires that every router in a microdesc consensus have an
m line; we weren't obeying that spec.

This creates a new consensus method (13) to allow voting to continue
to work right. Partial fix for bug 6404; fix on 0.2.2.6-alpha.

Fix for 6490.

This is based on a pair of patches from A. Costa. I couldn't apply
those directly, since they changed the generated *roff files, not
the asciidoc source.

Fixes Tor bug 6500 and Debian bug 683359.

Roger Dingledine authored 12 years ago and Nick Mathewson committed 12 years ago

I only check on circuits, not streams, since bloating your stream
window past the initial circuit window can't help you much.

Also, I compare to CIRCWINDOW_START_MAX so we don't have surprising
races if we lower CIRCWINDOW_START for an experiment.

The SMARTLIST_FOREACH macro is more convenient than BEGIN/END when
you have a nice short loop body, but using it for long bodies makes
your preprocessor tell the compiler that all the code is on the same
line.  That causes grief, since compiler warnings and debugger lines
will all refer to that one line.

So, here's a new style rule: SMARTLIST_FOREACH blocks need to be
short.

Linus Nordberg authored 12 years ago and Nick Mathewson committed 12 years ago

Allow TestingTorNetwork when AlternateDirAuthority and
AlternateBridgeAuthority is set even if DirServer is not.

Fixes bug 6397 and coverity issue 709599. Bugfix on 0.2.3.17-beta.

The June 2012 db marks too many relays as country "A1".
Addresses bug 6334.