[tbb-bugs] #20586 [Applications/Tor Browser]: Enforcement of browser window size breaks in awesome

[Tor Bug Tracker & Wiki]

#20586: Enforcement of browser window size breaks in awesome
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     Reporter:  legind                    |      Owner:  tbb-team
         Type:  defect                    |     Status:  new
     Priority:  High                      |  Milestone:
    Component:  Applications/Tor Browser  |    Version:
     Severity:  Normal                    |   Keywords:  fingerprinting
Actual Points:                            |  Parent ID:
       Points:                            |   Reviewer:
      Sponsor:                            |
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 Related: https://trac.torproject.org/projects/tor/ticket/17061

 Tor Browser version: 6.0.5
 Awesome version: 3.5.6-1build1
 Distribution: Ubuntu 16.04.1 LTS

 Expected behavior: browser window starts using the standard Tor Browser
 window size, and remains at that size regardless of what the window
 manager does.

 Observed behavior: When awesome is set to open windows under 'full' tiling
 mode, Tor Browser expands to the entire viewport.  In other tiling modes,
 the window size enforcement is broken as well (e.g. in 'split vertical')

 This can be used as a fingerprinting characteristic to uniquely identify a
 user, therefore I'm marking this as high priority.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20586>
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