fedora-atomic discussion point: /usr/lib/passwd
walters at verbum.org
Mon Apr 28 17:15:59 UTC 2014
On Mon, Apr 28, 2014 at 12:45 PM, Tomasz Torcz <tomek at pipebreaker.pl>
> Risking being totally offtopic, but would TCB solve all most of
> this issues?
> www.openwall.com/tcb/ or
It helps a little, but the problem here is not exactly about the
underlying data format, but more about the merge/upgrade logic, which
TCB by itself doesn't quite solve.
We would still need logic somewhere (likely ostree), like today how it
lives in RPM %post scripts to check whether users exist, and if not
create them. The binding between that logic and how the files get
created on disk is the hard problem.
Also I originally thought TCB was a good idea, but I got less excited
about it when I realized they'd just shifted setuid binaries to setgid.
To me it'd be far more valuable to go the whole way and have
authentication/passwd talk to a system service. Then you could even
implement stuff like rate limiting sanely.
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