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Capabilities support #229

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Capabilities support #229

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@dlundquist dlundquist commented Feb 18, 2017 •
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Use capabilities rather than root privileges. This came out of the transparent proxy work (#179), but may subsume the binder module as well.

  • Use CAP_NET_RAW so we can drop root privileges when in transparent mode
  • If capabilities are available use CAP_NET_BIND_SERVICE instead of binder module
  • Leave binder module as fallback for non-Linux operating systems

@dlundquist dlundquist mentioned this pull request Feb 18, 2017
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@dlundquist
Use POSIX capabilities
0ab83f8 
Use POSIX capabilities to retain network capabilities and drop all other
permissions. This allows IP_TRANSPARENT as an otherwise unprivileged
user.

Further work needed to align this with the binder module, since the
capabilities module makes the binder module unnecessary.
@dlundquist dlundquist mentioned this pull request Nov 13, 2017
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