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On Sun, 31 Jul 2011 16:00:40 -0400 |
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"Anthony G. Basile" <blueness@g.o> wrote: |
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> On 07/31/2011 03:46 PM, Nirbheek Chauhan wrote: |
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> > On Sun, Jul 31, 2011 at 8:13 PM, Anthony G. Basile |
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> > <blueness@g.o> wrote: |
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> >> Hi everyone, |
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> >> |
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> >> A couple of days ago, bonsaikitten (Patrick), kerframil (Kerin |
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> >> Millar) and myself were talking about other distros moving away |
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> >> from setuid binaries towards caps. Openwall and Fedora are now |
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> >> setuid-less [1]. Some googling showed that Constanze has done |
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> >> quite a bit of work in the area and that there was a consensus to |
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> >> include functions to set caps within portage [2]. I don't know |
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> >> what, if anything has been done since then, but I'd like to lend |
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> >> my support. |
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> >> |
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> > One problem that came up was that a lot of people use tmpfs for |
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> > /var/tmp/portage, and tmpfs doesn't support xattrs which are needed |
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> > for setting caps. |
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> > |
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> > Linux 3.0 has added support for xattrs with tmpfs (the redhat folks |
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> > did the work, afaik), so that problem is partly solved now. |
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> |
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> I know, there are lots of places where xattrs is not supported that |
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> lead to the same problem. I'm tempted to respond with pkg_postinst() |
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> but I see QA problems written all over that. |
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|
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We can either do that or 'Future EAPI' capsetting in PMS. Then, a PM |
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could implement capsetting functions in a such way that they will |
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preserve caps internally to PM and re-set them when merging to livefs. |
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-- |
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Best regards, |
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Michał Górny |
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