Re: Plan for Guix security (was Re: Long term plan for GuixSD security: microkernels, ocap, RISC-V support)

["Ludovic Courtès" <ludo@gnu.org>]

Hello,

Marius Bakke <mbakke@fastmail.com> skribis:

> Alex Vong <alexvong1995@gmail.com> writes:
>
>> Besides, I remember we have discuss about hardening before. Should I
>> start a new hardening branch? (although I don't time to work on it right
>> now). I think this is something we can do now.
>>
>> My idea is to create a new guix module (guix build hardening) which
>> should contains various build flags. Then we should modifiy each build
>> system to import from this new module and fix any build error caused by
>> it. We can ask the build farm to evaluate this new branch, right?
>>
>>
>> What do you think?
>
> Thank you for taking the initiative!  This sounds great to me.  I
> imagine the build systems could get an argument along the lines of
> #:hardening-flags '(pie fortify stack-protector ...).
>
> For gnu-build-system, I suppose we'd build up CFLAGS, LDFLAGS and
> friends?  We'll also have to modify all packages that override those
> variables.

Sounds like a plan.  I think Alex proposed something along these lines
long ago.

The difficulty will lie in finding a way to pass those flags reliably
through the build system…

Ludo’.