Sandbox all the pipelines! (GUADEC 2012)
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Sandbox all the pipelines! (GUADEC 2012)

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By Guillaume Emont. ...

By Guillaume Emont.

Playing a digital media is something complex, that requires non-trivial code. Such code is likely to have unknown security issues. It is therefore unwise to trust such code to handle untrusted data, such as a cat video[1] from the internet.
One solution that could be applied to GStreamer is to run the non-trivial code inside a sandbox. Gillaume has experimented a bit[2] with the idea and would like to expose his preliminary results.

[1] or a hippo video
[2] http://guij.emont.org/blog/2012/05/08/video-decoding-in-a-sandbox/

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Sandbox all the pipelines! (GUADEC 2012) Sandbox all the pipelines! (GUADEC 2012) Presentation Transcript

  • Guillaume Emont Igalia
  • Internets = cute videos of [insert favourite animal]
  • Trustworthy?
  • Complex software written by human beings can have bugs.
  • sandboxeddecodebin
  • Biggest limitations so far: • no upstream communication => no seeking • overhead: 720p ogg/theora on my i5: 20-30% -> 30-40% cpu
  • Potential solutions: • better wrapper around the sandboxed part of the pipeline (with upstream communication) • put the whole pipeline in the sandbox
  • Thank You guijemont@igalia.com http://guij.emont.org/blog/ https://github.com/guijemont/Sandboxed-Player Image Credits: Sandbox: Public Domain by Hyena http://en.wikipedia.org/wiki/File:Sandpit.jpg beer: CC BY-NC-SA 2.0 Martin Ibert http://www.flickr.com/photos/mar_ibert/