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David Goulet
6120efd771
Couple things happen in this commit. First, we do not re-queue a cell back in the circuit queue if the write packed cell failed. Currently, it is close to impossible to have it failed but just in case, the channel is mark as closed and we move on. The second thing is that the channel_write_packed_cell() always took ownership of the cell whatever the outcome. This means, on success or failure, it needs to free it. It turns out that that we were using the wrong free function in one case and not freeing it in an other possible code path. So, this commit makes sure we only free it in one place that is at the very end of channel_write_packed_cell() which is the top layer of the channel abstraction. This makes also channel_tls_write_packed_cell_method() return a negative value on error. Two unit tests had to be fixed (quite trivial) due to a double free of the packed cell in the test since now we do free it in all cases correctly. Part of #23709 Signed-off-by: David Goulet <dgoulet@torproject.org>
Tor protects your privacy on the internet by hiding the connection
between your Internet address and the services you use. We believe Tor
is reasonably secure, but please ensure you read the instructions and
configure it properly.
To build Tor from source:
./configure && make && make install
To build Tor from a just-cloned git repository:
sh autogen.sh && ./configure && make && make install
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https://www.torproject.org/
Download new versions:
https://www.torproject.org/download/download.html
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https://www.torproject.org/docs/documentation.html
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https://wiki.torproject.org/projects/tor/wiki/doc/TorifyHOWTO
Frequently Asked Questions:
https://www.torproject.org/docs/faq.html
To get started working on Tor development:
See the doc/HACKING directory.
Release timeline:
https://trac.torproject.org/projects/tor/wiki/org/teams/NetworkTeam/CoreTorReleases