Messages in this thread | | | Date | Wed, 4 Feb 2015 12:12:04 -0600 (CST) | From | Christoph Lameter <> | Subject | Re: [capabilities] Allow normal inheritance for a configurable set of capabilities |
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On Wed, 4 Feb 2015, Serge E. Hallyn wrote:
> Ok this is all sounding too magic for my tastes. My original suggestion > was for an actual new capability set, pA, empty by default. You can > add bits to it using prctl if ns_capable(CAP_SETPCAP) and all the new bits are > in your pE. Once set, they stay until they are removed using prctl. At > exec, pA' = pA, and fI |= pA (after reading fI from disk but before > calculating pI').
Sounds good. I think we cannot avoid the additional capability set in the cred structure since otherwise the regular ("crippled") inheritance bits may be modified and then not passed on correctly.
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