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clean up the 0.1.2.1-alpha changelog 

svn:r8240
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Roger Dingledine 2006-08-27 06:55:48 +00:00
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ChangeLog
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@ -1,58 +1,55 @@
Changes in version 0.1.2.1-alpha - 2006-08-16 (in progress)
o Major changes:
- Add async dns code from Adam Langley, tweaked to build on OSX
and Windows. Only enabled when you pass the --enable-eventdns
argument to configure. Implement a priority queue to track
when cached DNS resolves will expire, now that we obey the
time-to-live (TTL) values we get back.
- Stop fetching descriptors if you're not a dir mirror and you
haven't tried to establish any circuits lately. This currently
causes some dangerous behavior, because when you start up again
you'll use your ancient server descriptors.
Changes in version 0.1.2.1-alpha - 2006-08-27
o Major features:
- Add "eventdns" async dns library from Adam Langley, tweaked to
build on OSX and Windows. It's enabled by default on all platforms
but Windows.
- Allow servers with no hostname or IP address to learn their
IP address by asking the directory authorities. This code only
kicks in when you would normally have exited with a "no address"
error. Nothing's authenticated, so use with care.
- Rather than waiting a fixed amount of time between retrying
application connections, we wait only 5 seconds for the first,
10 seconds for the second, and 15 seconds for each retry after
that. Hopefully this will improve the expected user experience.
- Patch from Tup to add support for transparent AP connections:
this basically bundles the functionality of trans-proxy-tor
into the Tor mainline. Now hosts with compliant pf/netfilter
implementations can redirect TCP connections straight to Tor
without diverting through SOCKS. Needs docs.
- Busy directory servers save lots of memory by spooling server
descriptors, v1 directories, and v2 networkstatus docs to buffers
as needed rather than en masse. Also mmap the cached-routers
files, so we don't need to keep the whole thing in memory too.
- Automatically avoid picking more than one node from the same
/16 network when constructing a circuit.
- Revise and clean up the torrc.sample that we ship with; add
a section for BandwidthRate and BandwidthBurst.
o Minor features:
- Split circuit_t into origin_circuit_t and or_circuit_t, and
split connection_t into edge, or, dir, control, and base structs.
These will save quite a bit of memory on busy servers, and they'll
also help us track down bugs and spec mismatches.
- Instead of adding server descriptors, v1 directories, or v2
networkstatus docs to buffers en masse, directory servers add them
on the fly as their outbufs are depleted. This will save memory
on busy dirservers.
o Minor changes:
- New dirport behavior: if you have your dirport set, you download
descriptors aggressively like a directory mirror, whether or not
your orport is set.
- Minor changes so Tor builds with mingw on windows.
- Start compiling on MSVC6 now. Patch from Frediano Ziglio.
- Claim a commonname of Tor, rather than TOR, in TLS handshakes.
- Re-enable per-connection rate limiting. Get rid of the "OP
bandwidth" concept. Lay groundwork for "bandwidth classes" --
separate global buckets that apply depending on what sort of conn
it is.
- Add a man page entry for ProtocolWarnings.
- Add more asserts to track down an assert error on a windows Tor
server with connection_add being called with socket == -1.
- Add TestVia config option to the man page.
- Allow Tor to start when RunAsDaemon is set but no logs are set.
also help us track down bugs in the code and bugs in the spec.
- Experimentally re-enable kqueue on OSX when using libevent 1.1b
or later. Log when we are doing this, so we can diagnose it when
it fails. (Also, recommend libevent 1.1b for kqueue and
win32 methods; deprecate libevent 1.0b harder; make libevent
recommendation system saner.)
- Start being able to build universal binaries on OS X (thanks
to Phobos).
- Export the default exit policy via the control port, so controllers
don't need to guess what it is / will be later.
- Fix configure.in to not produce broken configure files with
more recent versions of autoconf. Thanks to Clint for his auto*
voodoo.
- mmap cached-routers file too.
- refuse to write an iso_time which we can't parse, when dumping
bandwidth state. this fixes the particular incident in bug 308,
but the general issue remains.
- Drop compatibility with obsolete Tors that permit create cells
to have the wrong circ_id_type.
- Add a man page entry for ProtocolWarnings.
- Add TestVia config option to the man page.
- Remove even more protocol-related warnings from Tor server logs,
such as bad TLS handshakes and malformed begin cells.
- Stop fetching descriptors if you're not a dir mirror and you
haven't tried to establish any circuits lately. [This currently
causes some dangerous behavior, because when you start up again
you'll use your ancient server descriptors.]
- New DirPort behavior: if you have your dirport set, you download
descriptors aggressively like a directory mirror, whether or not
your ORPort is set.
- Get rid of the router_retry_connections notion. Now routers
no longer try to rebuild long-term connections to directory
authorities, and directory authorities no longer try to rebuild
@ -60,74 +57,67 @@ Changes in version 0.1.2.1-alpha - 2006-08-16 (in progress)
connections in these two cases though -- we need to look at it
more carefully to avoid flapping, and we likely need to wait til
0.1.1.x is obsolete.
- Remove even more protocol-related warnings from Tor server logs,
such as bad TLS handshakes and malformed begin cells.
- Add X-Your-Address-Is directory http header so clients can get
some hints about their current network location. It parses
Forwarded-For and X-Forwarded-For http headers to avoid listing
proxy addresses if possible. It's not authenticated, so use
with care.
- Allow servers with no hostname or IP address to learn their
IP address by asking the directory authorities. This code only kicks
in when you would normally have exited with a "no address" error.
- Handle reporting OR_CONN_EVENT_NEW events to the controller.
- If we are using an exit enclave and we can't connect, e.g. because
its webserver is misconfigured to not listen on localhost, then
back off and try connecting from somewhere else before we fail.
- Drop compatibility with obsolete Tors that permit create cells
to have the wrong circ_id_type.
- Re-enable per-connection rate limiting. Get rid of the "OP
bandwidth" concept. Lay groundwork for "bandwidth classes" --
separate global buckets that apply depending on what sort of conn
it is.
- Start publishing one minute or so after we find our ORPort
to be reachable. This will help reduce the number of descriptors
we have for ourselves floating around, since it's quite likely
other things (e.g. DirPort) will change during that minute too.
- When we find our dirport to be reachable, mark our descriptor
dirty so we'll tell the world. (fixes bug 306 reported by pnx)
- Define a schedule for how long to wait between retrying
application connections. Rather than waiting a fixed amount of
time between each retry, we wait only 5 seconds for the first,
10 seconds for the second, and 15 seconds for each retry after
that. Hopefully this will improve the expected user experience.
- Also, fork the v1 directory protocol into its own spec document,
- Fork the v1 directory protocol into its own spec document,
and mark dir-spec.txt as the currently correct (v2) spec.
o Major bugfixes:
- When we find our DirPort to be reachable, publish a new descriptor
so we'll tell the world (reported by pnx).
- Publish a new descriptor after we hup/reload. This is important
if our config has changed such that we'll want to start advertising
our DirPort now, etc.
- Allow Tor to start when RunAsDaemon is set but no logs are set.
- When we have a state file we cannot parse, tell the user and
move it aside. Now we avoid situations where the user starts
Tor in 1904, Tor writes a state file with that timestamp in it,
the user fixes her clock, and Tor refuses to start.
- Fix configure.in to not produce broken configure files with
more recent versions of autoconf. Thanks to Clint for his auto*
voodoo.
- "tor --verify-config" now exits with -1(255) or 0 depending on
whether the config options are bad or good.
- Resolve bug 321 when using dnsworkers: append a period to every
address we resolve at the exit node, so that we do not accidentally
pick up local addresses, and so that failing searches are retried
in the resolver search domains. (This is already solved for
eventdns.) (This breaks Blossom servers for now.)
- If we are using an exit enclave and we can't connect, e.g. because
its webserver is misconfigured to not listen on localhost, then
back off and try connecting from somewhere else before we fail.
o Minor bugfixes:
- Start compiling on MinGW on Windows (patches from Mike Chiussi).
- Start compiling on MSVC6 on Windows (patches from Frediano Ziglio).
- Fix bug 314: Tor clients issued "unsafe socks" warnings even
when the IP address is mapped through MapAddress to a hostname.
- Start passing "ipv4" hints to getaddrinfo(), so servers don't do
useless IPv6 DNS resolves.
- Patch suggested by Karsten Loesing: respond to SIGNAL command
before we execute the signal, in case the signal shuts us down.
- Clean up AllowInvalidNodes man page entry.
- Claim a commonname of Tor, rather than TOR, in TLS handshakes.
- Add more asserts to track down an assert error on a windows Tor
server with connection_add being called with socket == -1.
- Handle reporting OR_CONN_EVENT_NEW events to the controller.
- Fix misleading log messages: an entry guard that is "unlisted",
as well as not known to be "down" (because we've never heard
of it), is not therefore "up".
- Publish a new descriptor after we hup. this is important if our
config has changed such that we'll want to start advertising our
dirport now, etc.
- Remove code to special-case "-cvs" ending, since it has not
actually mattered since 0.0.9.
- Revise and clean up the torrc.sample that we ship with; add
a section for BandwidthRate and BandwidthBurst.
- Recommend libevent 1.1b for kqueue and win32 methods; deprecate
libevent 1.0b harder; make libevent recommendation system saner.
- Experimentally re-enable kqueue on OSX when using libevent 1.1b
or later. Log when we are doing this, so we can diagnose it when
it fails.
- Patch from Tup to add support for transparent AP connections:
this basically bundles the functionality of trans-proxy-tor
into the Tor mainline. Now hosts with compliant pf/netfilter
implementations can redirect TCP connections straight to Tor
without diverting through SOCKS.
- Start being able to build universal binaries on OS X (thanks
to Phobos).
- Make our socks5 handling more robust to broken socks clients:
throw out everything waiting on the buffer in between socks
handshake phases, since they can't possibly (so the theory
goes) have predicted what we plan to respond to them.
Changes in version 0.1.1.23 - 2006-07-30