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[merged] Protect against hostname changes with unshared UTS namespace #108

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[merged] Protect against hostname changes with unshared UTS namespace #108

wants to merge 2 commits into from

Commits on Oct 13, 2016

  1. Move commandline args to top of the file 

    This way we can access these from all the functions.
    @alexlarsson
    alexlarsson committed Oct 13, 2016
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  2. Don't allow setting hostname if not unsharing UTS namespace 

    This is normally verified on argument validation, but it may happen
if someone managed to send custom priv-sep operations via e.g. ptrace.

See containers#107
    @alexlarsson
    alexlarsson committed Oct 13, 2016
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