David Goulet fb93c6fc51 circ: Don't cannibalize a circuit if the guard state is unusable
Tor preemptiely builds circuits and they can be cannibalized later in their
lifetime. A Guard node can become unusable (from our guard state) but we can
still have circuits using that node opened. It is important to not pick those
circuits for any usage through the cannibalization process.

Fixes #24469

Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-01-31 16:10:48 -05:00
2018-01-25 13:50:55 -05:00
2017-12-13 12:07:46 -05:00
2017-10-05 22:42:00 -05:00
2017-03-15 16:13:17 -04:00
2018-01-25 13:27:49 -05:00
2018-01-25 13:50:55 -05:00
2017-03-15 16:13:17 -04:00
2018-01-16 13:36:48 -05:00

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

Home page:
        https://www.torproject.org/

Download new versions:
        https://www.torproject.org/download/download.html

Documentation, including links to installation and setup instructions:
        https://www.torproject.org/docs/documentation.html

Making applications work with Tor:
        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
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