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Conflux circuit building was ignoring the "predicted ports" feature,
which aims to make Tor stop building circuits if there have been
no user requests lately. This bug led to every idle Tor on the
network building and discarding circuits every 30 seconds, which
added overall load to the network, used bandwidth and battery from
clients that weren't actively using their Tor, and kept sockets open
on guards which added connection padding essentially forever.
Bug went in on commit 39c2927d when we added preemptive conflux circuit
pools.
Fixes bug 40981; bugfix on 0.4.8.1-alpha.
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Resources allocated by cpuworker weren't being freed on clean shutdown.
This applies for worker threads, worker thread pool, reply queue, reply
event, ...
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Signed-off-by: David Goulet <dgoulet@torproject.org>
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This proposal adds new syntax to the SOCKS5 username/password extension scheme,
so that requests with usernames starting with <torS0X> are now reserved.
For C tor, all we need to do is reject every username starting with <torS0X>
unless it is exactly "<torS0X>0".
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Fixes #40966
Signed-off-by: David Goulet <dgoulet@torproject.org>
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dirauth: Add new faravahar
Closes #40689
See merge request tpo/core/tor!819
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Brand new address, brand new keys, brand new day.
Closes #40689
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Fixes #40932
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Signed-off-by: David Goulet <dgoulet@torproject.org>
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It turns out that circuit_package_relay_cell() returns 0 in order to drop a
cell but there is a code path, if the circuit queue is full, that also silently
closes the circuit and returns 0.
This lead to Conflux thinking a cell was sent but actually the cell was not and
the circuit was closed leading to the hard assert.
And so this function makes sure that circuit_package_relay_cell() and
append_cell_to_circuit_queue() returns a value that indicate what happened with
the cell and circuit so the caller can make an informed decision with it.
This change makes it that we do NOT enter the Conflux subsystem if the cell is
not queued on the circuit.
Fixes #40921
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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This was previously added to facilitate testing intro point rotation
with chutney. However, the implementation is problematic since it forces
excessive rotation whenever TestingTorNetwork is enabled, and can't be
adjusted or disabled.
Alternatives for testing intro point rotation include:
* Using shadow to "fast forward" time
* Overriding the consensus parameters hs_intro_min_lifetime and
hs_intro_max_lifetime.
Fixes #40922
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Make two 1-bit fields unsigned
Closes #40911
See merge request tpo/core/tor!796
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This should be a completely harmless warning as we only check whether
the fields are true or false.
Closes #40911.
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metrics: Add new relay metrics to MetricsPort
Closes #40816
See merge request tpo/core/tor!793
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Signed-off-by: David Goulet <dgoulet@torproject.org>
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Allow "node_id" KeyValue without the dollar sign at the start of the
hexdigit in the BandwidthFiles, in order to easier database queries
combining Tor documents in which the relays fingerprint doesn't
include it.
Bugfix on all supported versions of Tor.
Closes #40891
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This commit adds the total number of DROP cell seen, the total number of
DESTROY cell received and the total number of protocol violation that lead to a
circuit close.
Closes #40816
Signed-off-by: David Goulet <dgoulet@torproject.org>
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