This change refactors find_dl_schedule() to only call dependent functions
as needed. In particular, directory_fetches_from_authorities() only needs
to be called on clients.
Stopping spurious directory_fetches_from_authorities() calls on every
download on public relays has the following impacts:
* fewer address resolution attempts, particularly those mentioned in 21789
* fewer descriptor rebuilds
* fewer log messages, particularly those limited in 20610
Fixes 23470 in 0.2.8.1-alpha.
The original bug was introduced in commit 35bbf2e as part of prop210.
But when clients are just starting, make them try each bridge a few times
before giving up on it.
These changes make the bridge download schedules more explicit: before
17750, they relied on undocumented behaviour and specific schedule
entries. (And between 17750 and this fix, they were broken.)
Fixes 23347, not in any released version of tor.
The download schedule tells Tor to wait 15 minutes before downloading
bridge descriptors. But 17750 made Tor ignore that and start immediately.
Since we fixed 17750, Tor waits 15 minutes for bridge client bootstrap,
like the schedule says.
This fixes the download schedule to start immediately, and to try each
bridge 3 times in the first 30 seconds. This should make bridge bootstraps
more reliable.
Fixes 23347.
Our convention is that functions which manipulate a type T should be
named T_foo. But the buffer functions were super old, and followed
all kinds of conventions. Now they're uniform.
Here's the perl I used to do this:
\#!/usr/bin/perl -w -i -p
s/read_to_buf\(/buf_read_from_socket\(/;
s/flush_buf\(/buf_flush_to_socket\(/;
s/read_to_buf_tls\(/buf_read_from_tls\(/;
s/flush_buf_tls\(/buf_flush_to_tls\(/;
s/write_to_buf\(/buf_add\(/;
s/write_to_buf_compress\(/buf_add_compress\(/;
s/move_buf_to_buf\(/buf_move_to_buf\(/;
s/peek_from_buf\(/buf_peek\(/;
s/fetch_from_buf\(/buf_get_bytes\(/;
s/fetch_from_buf_line\(/buf_get_line\(/;
s/fetch_from_buf_line\(/buf_get_line\(/;
s/buf_remove_from_front\(/buf_drain\(/;
s/peek_buf_startswith\(/buf_peek_startswith\(/;
s/assert_buf_ok\(/buf_assert_ok\(/;
Needed by the client when fetching a descriptor. This function checks the
directory purpose and hard assert if it is not for fetching.
Signed-off-by: David Goulet <dgoulet@torproject.org>
When a descriptor fetch has completed and it has been successfully stored in
the client cache, this callback will take appropriate actions to attach
streams and/or launch neede circuits to connect to the service.
Signed-off-by: David Goulet <dgoulet@torproject.org>
- Add tests that ensure that SOCKS requests for v2/v3 addresses get
intercepted and handled.
- Add test that stores and lookups an HS descriptor in the client-side cache.
Signed-off-by: David Goulet <dgoulet@torproject.org>
Once a descriptor has been successfully downloaded from an HSDir, we flag the
directory connection to "has fetched descriptor" so the connection subsystem
doesn't trigger a new fetch on success.
Same has DIR_PURPOSE_HAS_FETCHED_RENDDESC_V2 but for prop224.
Signed-off-by: David Goulet <dgoulet@torproject.org>
I repurposed the old directory_request_set_hs_ident() into a new
directory_request_upload_set_hs_ident() which is only used for the
upload purpose and so it can assert on the dir_purpose.
When coding the client-side we can make a second function for fetch.
This commit adds a directory command function to make an upload directory
request for a service descriptor.
It is not used yet, just the groundwork.
Signed-off-by: David Goulet <dgoulet@torproject.org>
This makes our directory code check if a client is trying to fetch a
document that matches a digest from our latest consensus document.
See: https://bugs.torproject.org/22702
This prevents us from calling
allowed_anonymous_connection_compression_method() on the unused
guessed method (if any), and rejecting something that was already
safe to use.
Rationale: When use a guessed compression method, we already gave a
PROTOCOL_WARN when our guess differed from the declared method,
AND we gave a PROTOCOL_WARN when the declared method failed. It is
not a protocol problem that the guessed method failed too; it's just
a recovery attempt that failed.
A cached_dir_t object (for now) is always compressed with
DEFLATE_METHOD, but in handle_get_status_vote() to we were using the
general compression-negotiation code decide what compression to
claim we were using.
This was one of the reasons behind 22502.
Fixes bug 22669; bugfix on 0.3.1.1-alpha
A fair number of our mock_impl declarations were messed up so that
even our special AM_ETAGSFLAGS couldn't find them.
This should be a whitespace-only patch.
This patch lifts the return value, rv, variable to the beginning of the
function, adds a 'done' label for clean-up and function exit and makes
the rest of the function use the rv value + goto done; instead of
cleaning up in multiple places.
See: https://bugs.torproject.org/22305
We used to not set the guard state in launch_direct_bridge_descriptor_fetch().
So when a bridge descriptor fetch failed, the guard subsystem would never
learn about the fail (and hence the guard's reachability state would not
be updated).
