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This commit won't build yet -- it just puts everything in a slightly
more logical place.
The reasoning here is that "src/core" will hold the stuff that every (or
nearly every) tor instance will need in order to do onion routing.
Other features (including some necessary ones) will live in
"src/feature". The "src/app" directory will hold the stuff needed
to have Tor be an application you can actually run.
This commit DOES NOT refactor the former contents of src/or into a
logical set of acyclic libraries, or change any code at all. That
will have to come in the future.
We will continue to move things around and split them in the future,
but I hope this lays a reasonable groundwork for doing so.
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or.h should really include only the minimum of stuff from or/*,
common/*, and lib/*.
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This patch fixes a memory leak in pick_hsdir_v3() where we might return
early, but forgot to free the responsible_hsdirs variable. We solve this
by not allocating storage for responsible_hsdirs until it's actually
needed.
See: Coverity CID 1437449
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More modules use this than I had expected!
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* ADD new /src/common/crypto_rand.[ch] module.
* ADD new /src/common/crypto_util.[ch] module (contains the memwipe()
function, since all crypto_* modules need this).
* FIXES part of #24658: https://bugs.torproject.org/24658
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Folks have found two in the past week or so; we may as well fix the
others.
Found with:
\#!/usr/bin/python3
import re
def findMulti(fname):
includes = set()
with open(fname) as f:
for line in f:
m = re.match(r'^\s*#\s*include\s+["<](\S+)[>"]', line)
if m:
inc = m.group(1)
if inc in includes:
print("{}: {}".format(fname, inc))
includes.add(m.group(1))
import sys
for fname in sys.argv[1:]:
findMulti(fname)
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connection_t.timestamp_lastwritten renamed to
connection_t.timestamp_last_write_allowed
connection_t.timestamp_lastread renamed to
connection_t.timestamp_last_read_allowed
Closes ticket 24714.
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Diagnostic attempt for 24972.
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Split hs_circuitmap_get_rend_circ_client_side(). One returns only established
circuits (hs_circuitmap_get_established_rend_circ_client_side()) and the other
returns all kinds of circuits.
Fixes #23459
Signed-off-by: Fernando Fernandez Mancera <ffernandezmancera@gmail.com>
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This changes the control_event_hs_descriptor_requested() call to add the hsdir
index optional value. v2 passes NULL all the time.
This commit creates hs_control.{c|h} that contains wrappers for the HS
subsystem to interact with the control port subsystem.
The descriptor REQUESTED event is implemented following proposal 284 extension
for v3.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Diagnostics for #23820.
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When the directory information changes, callback to the HS client subsystem so
it can check if any pending SOCKS connections are waiting for a descriptor. If
yes, attempt a refetch for those.
Fixes #23762
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Create a function that tells us if we can fetch or not the descriptor for the
given service key.
No behavior change. Mostly moving code but with a slight change so the
function can properly work by returning a boolean and also a possible fetch
status code.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Signed-off-by: David Goulet <dgoulet@torproject.org>
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Signed-off-by: David Goulet <dgoulet@torproject.org>
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If 6 SOCKS requests are opened at once, it would have triggered 6 fetches
which ultimately poke all 6 HSDir. We don't want that, if we have multiple
SOCKS requests for the same service, do one fetch only.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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When purging last HSDir requests, we used time(NULL) for computing the
service blinded key but in all other places in our codebase we actually
use the consensus times. That can cause wrong behavior if the consensus
is in a different time period than time(NULL).
This commit is required for proper purging of HSDir requests.
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Just making sure that added padding does not screw up cell parsing.
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Signed-off-by: David Goulet <dgoulet@torproject.org>
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The memleak was occuring because of the way ExcludeNodes is handled in
that function. Basically, we were putting excluded intro points extend
infos in a special variable which was never freed. Also, if there were
multiple excluded intro points then that variable was overwritten
everytime leaking more memory. This commit should fix both issues.
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This commit adds a pretty advanced test for the client-side making sure that
picking intro is done properly.
This unittest also reveals a memleak on the client_pick_intro() function which
is fixed by the subsequent commit.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Fixes #23481
Signed-off-by: David Goulet <dgoulet@torproject.org>
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It is possible that two descriptor upload requests are launched in a very
short time frame which can lead to the second request finishing before the
first one and where that first one will make the HSDir send back a 400
malformed descriptor leading to a warning.
To avoid such, cancel all active directory connections for the specific
descriptor we are about to upload.
Note that this race is still possible on the HSDir side which triggers a log
info to be printed out but that is fine.
Fixes #23457
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Closes #23304
Signed-off-by: David Goulet <dgoulet@torproject.org>
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