Re: GELI with UEFI supporting Boot Environments goes to HEAD when?

From: Eric McCorkle <eric_at_metricspace.net>
Date: Sun, 08 Jul 2018 16:36:47 -0400
I intend to endorse this patch over my own once I'm able to test it out on my test images.

My approach is highly EFI-specific, and it made sense to do it that way when boot1.efi was still a thing. The architecture agnostic method makes more sense now that it's gone. 

On July 8, 2018 3:31:47 PM EDT, Ian Lepore <ian_at_freebsd.org> wrote:
>On Sun, 2018-07-08 at 21:08 +0200, Oliver Pinter wrote:
>> Hi!
>> 
>> Have you or Warner any update on this code?
>> 
>> On Thursday, April 12, 2018, Eric McCorkle <eric_at_metricspace.net>
>> wrote:
>> 
>
>Are you aware of https://reviews.freebsd.org/D15743 ?
>
>That's my changes to add geli support to loader(8) in an architecture-
>agnostic way, so that "it just works" for all platforms and flavors of
>loader. It has been succesfully tested on armv6/7 (ubldr) and on x86
>using qemu.  The x86 tests cover ufs and zfs, legacy bios and uefi. The
>only variations that aren't tested yet are the uefi flavors, because
>the current rootgen.sh script for assembling test images is still using
>boot1.efi and I don't know enough about efi myself to update the script
>to make it assemble images the new way Warner envisions.
>
>-- Ian
>
>> > 
>> > I'm in the middle of moving to a new apartment right now.  It's
>> > going to
>> > be a bit before I can get to this.
>> > 
>> > On 04/11/2018 20:31, Warner Losh wrote:
>> > > 
>> > > OK. I've pushed in the main part of it. The additional work I
>> > > have
>> > > shouldn't affect any of this stuff.  I was going to look at what
>> > > part(s)
>> > > of your open reviewed needed to be redone tomorrow and send you
>> > > feedback, but if you wanted to get a start before then, I'm happy
>> > > to
>> > > answer questions. All the rest of my work is going to be
>> > > selecting the
>> > > root partition when we're told to us a specific partition, so
>> > > will be
>> > > very constrained.
>> > > 
>> > > Warner
>> > > 
>> > > On Wed, Apr 11, 2018 at 6:02 PM, Eric McCorkle <eric_at_metricspace.
>> > > net
>> > > <mailto:eric_at_metricspace.net>> wrote:
>> > > 
>> > >     I think the thing to do at this point is to wait for the
>> > > current
>> > work on
>> > > 
>> > >     loader.efi to land, then adapt my patches to apply against
>> > > that work.
>> > > 
>> > >     On 04/11/2018 15:06, Warner Losh wrote:
>> > >     > Still reviewing the code. I'm worried it's too i386
>> > > specific and it
>> > >     > conflicts with some work I'm doing. I'll have a list of
>> > > actionable
>> > >     > critiques this week.
>> > >     >
>> > >     > Warner
>> > >     >
>> > >     > On Wed, Apr 11, 2018 at 1:03 PM, Oliver Pinter
>> > >     > <oliver.pinter_at_hardenedbsd.org
>> > >     <mailto:oliver.pinter_at_hardenedbsd.org>
>> > >     <mailto:oliver.pinter_at_hardenedbsd.org
>> > >     <mailto:oliver.pinter_at_hardenedbsd.org>>>
>> > >     > wrote:
>> > >     >
>> > >     >     Hi!
>> > >     >
>> > >     >     Is there any update regarding the rebase or the
>> > > inclusion to
>> > base
>> > > 
>> > >     >     system?
>> > >     >     On 3/28/18, Eric McCorkle <eric_at_metricspace.net
>> > > <mailto:
>> > eric_at_metricspace.net>
>> > > 
>> > >     >     <mailto:eric_at_metricspace.net <mailto:eric_at_metricspace.n
>> > > et>>>
>> > wrote:
>> > > 
>> > >     >     > I'll do another rebase from head just to be sure
>> > >     >     >
>> > >     >     > On March 28, 2018 3:23:23 PM EDT, Warner Losh <
>> > imp_at_bsdimp.com <mailto:imp_at_bsdimp.com>
>> > > 
>> > >     >     <mailto:imp_at_bsdimp.com <mailto:imp_at_bsdimp.com>>> wrote:
>> > >     >     >>It's on my list for nexr, finally. I have an
>> > > alternate patch
>> > for
>> > > 
>> > >     >     >>loader.efi
>> > >     >     >>from ESP, but i don't think it will affect the GELI
>> > > stuff. I
>> > have some
>> > > 
>> > >     >     >>time
>> > >     >     >>slotted for integration issues though.
>> > >     >     >>
>> > >     >     >>I am quite mindful of the freeze dates.... I  have
>> > > some uefi
>> > boot
>> > > 
>> > >     >     >>loader
>> > >     >     >>protocol changes that I need to get in.
>> > >     >     >>
>> > >     >     >>Warner
>> > >     >     >>
>> > >     >     >>On Feb 21, 2018 11:18 PM, "Tommi Pernila" <
>> > tommi.pernila_at_iki.fi <mailto:tommi.pernila_at_iki.fi>
>> > > 
>> > >     >     <mailto:tommi.pernila_at_iki.fi <mailto:tommi.pernila_at_iki.
>> > > fi>>>
>> > wrote:
>> > > 
>> > >     >     >>
>> > >     >     >>> Awesome, thanks for the update and the work that
>> > > you have
>> > done!
>> > > 
>> > >     >     >>>
>> > >     >     >>> Now we just need some more reviewers eyes on the
>> > > code :)
>> > >     >     >>>
>> > >     >     >>> Br,
>> > >     >     >>>
>> > >     >     >>> Tommi
>> > >     >     >>>
>> > >     >     >>> On Thu, 22 Feb 2018 at 2.03, Eric McCorkle <
>> > eric_at_metricspace.net <mailto:eric_at_metricspace.net>
>> > > 
>> > >     >     <mailto:eric_at_metricspace.net <mailto:eric_at_metricspace.n
>> > > et>>>
>> > >     >     >>wrote:
>> > >     >     >>>
>> > >     >     >>>> FYI, I just IFC'ed everything, and the current
>> > > patches
>> > >     are still
>> > >     >     >>fine.
>> > >     >     >>>>
>> > >     >     >>>> Also, the full GELI + standalone loader has been
>> > > deployed
>> > >     on one of
>> > >     >     >>my
>> > >     >     >>>> laptops for some time now.
>> > >     >     >>>>
>> > >     >     >>>> On 02/21/2018 18:15, Eric McCorkle wrote:
>> > >     >     >>>> > The GELI work could be merged at this point,
>> > > though it
>> > >     won't be
>> > >     >     >>usable
>> > >     >     >>>> > without an additional patch to enable loader-
>> > > only
>> > >     operation.  The
>> > >     >     >>>> > patches are currently up for review:
>> > >     >     >>>> >
>> > >     >     >>>> > This is the order in which they'd need to be
>> > > merged:
>> > >     >     >>>> >
>> > >     >     >>>> >
>> > >     >     >>>> > https://reviews.freebsd.org/D12732
>> > >     <https://reviews.freebsd.org/D12732>
>> > >     >     <https://reviews.freebsd.org/D12732
>> > >     <https://reviews.freebsd.org/D12732>>
>> > >     >     >>>> >
>> > >     >     >>>> > This one changes the efipart device.  Toomas
>> > > Soome
>> > >     identified
>> > >     >     some
>> > >     >     >>>> > problems, which I have addressed.  He has not
>> > >     re-reviewed it,
>> > >     >     >>however.
>> > >     >     >>>> >
>> > >     >     >>>> >
>> > >     >     >>>> > https://reviews.freebsd.org/D12692
>> > >     <https://reviews.freebsd.org/D12692>
>> > >     >     <https://reviews.freebsd.org/D12692
>> > >     <https://reviews.freebsd.org/D12692>>
>> > >     >     >>>> >
>> > >     >     >>>> > This adds some crypto code needed for GELI.  It
>> > > simply
>> > >     adds new
>> > >     >     >>code,
>> > >     >     >>>> > and doesn't conflict with anything.
>> > >     >     >>>> >
>> > >     >     >>>> >
>> > >     >     >>>> > https://reviews.freebsd.org/D12698
>> > >     <https://reviews.freebsd.org/D12698>
>> > >     >     <https://reviews.freebsd.org/D12698
>> > >     <https://reviews.freebsd.org/D12698>>
>> > >     >     >>>> >
>> > >     >     >>>> > This adds the EFI KMS interface code, and has
>> > > the EFI
>> > >     loader pass
>> > >     >     >>keys
>> > >     >     >>>> > into the keybuf interface.
>> > >     >     >>>> >
>> > >     >     >>>> >
>> > >     >     >>>> > I can't post the main GELI driver until those
>> > > get
>> > >     merged, as it
>> > >     >     >>depends
>> > >     >     >>>> > on them.  It can be found on the geli branch on
>> > > my
>> > >     github freebsd
>> > >     >     >>>> > repository, however.
>> > >     >     >>>> >
>> > >     >     >>>> >
>> > >     >     >>>> > Additionally, you need this patch, which allows
>> > >     loader.efi to
>> > >     >     >>function
>> > >     >     >>>> > when installed directly to the ESP:
>> > >     >     >>>> >
>> > >     >     >>>> > https://reviews.freebsd.org/D13497
>> > >     <https://reviews.freebsd.org/D13497>
>> > >     >     <https://reviews.freebsd.org/D13497
>> > >     <https://reviews.freebsd.org/D13497>>
>> > >     >     >>>> >
>> > >     >     >>>> > On 02/20/2018 22:56, Tommi Pernila wrote:
>> > >     >     >>>> >> Hi Eric,
>> > >     >     >>>> >>
>> > >     >     >>>> >> could you provide a brief update how the work
>> > > is going?
>> > >     >     >>>> >>
>> > >     >     >>>> >>
>> > >     >     >>>> >> Br,
>> > >     >     >>>> >>
>> > >     >     >>>> >> Tommi
>> > >     >     >>>> >>
>> > >     >     >>>> >>
>> > >     >     >>>> >> On Nov 16, 2017 04:29, "Eric McCorkle"
>> > >     <eric_at_metricspace.net <mailto:eric_at_metricspace.net>
>> > >     >     <mailto:eric_at_metricspace.net <mailto:eric_at_metricspace.n
>> > > et>>
>> > >     >     >>>> >> <mailto:eric_at_metricspace.net
>> > >     <mailto:eric_at_metricspace.net> <mailto:eric_at_metricspace.net
>> > >     <mailto:eric_at_metricspace.net>>>>
>> > >     >     wrote:
>> > >     >     >>>> >>
>> > >     >     >>>> >>     Right, so basically, the remaining GELI
>> > > patches
>> > >     are against
>> > >     >     >>>> loader, and
>> > >     >     >>>> >>     most of them can go in independently of the
>> > > work
>> > >     on removing
>> > >     >     >>boot1.
>> > >     >     >>>> >>     There's a unanimous consensus on getting
>> > > rid of
>> > >     boot1 which
>> > >     >     >>>> includes its
>> > >     >     >>>> >>     original author, so that's going to happen.
>> > >     >     >>>> >>
>> > >     >     >>>> >>
>> > >     >     >>>> >>     For GELI, we have the following (not
>> > > necessarily
>> > >     in order):
>> > >     >     >>>> >>
>> > >     >     >>>> >>     a) Adding the KMS interfaces, pseudo-
>> > > device, and
>> > >     kernel
>> > >     >     >>keybuf
>> > >     >     >>>> >>     interactions
>> > >     >     >>>> >>     b) Modifications to the efipart driver
>> > >     >     >>>> >>     c) boot crypto
>> > >     >     >>>> >>     d) GELI partition types (not strictly
>> > > necessary)
>> > >     >     >>>> >>
>> > >     >     >>>> >>     Then there's the GELI driver itself.  (a)
>> > > and (c)
>> > are
>> > > 
>> > >     >     good to
>> > >     >     >>>> land, (b)
>> > >     >     >>>> >>     needs some more work after Toomas Soome
>> > > pointed
>> > out a
>> > > 
>> > >     >     >>legitimate
>> > >     >     >>>> >>     problem, and (d) actually needs a good bit
>> > > more
>> > >     code (but
>> > >     >     >>again,
>> > >     >     >>>> it's
>> > >     >     >>>> >>     more cosmetic).  Additionally, the GELI
>> > > driver
>> > >     will need
>> > >     >     >>further
>> > >     >     >>>> mods to
>> > >     >     >>>> >>     efipart to be written (nothing too
>> > > big).  But we
>> > >     could go
>> > >     >     >>ahead
>> > >     >     >>>> with (a)
>> > >     >     >>>> >>     and (c), as they've already been proven to
>> > > work.
>> > >     >     >>>> >>
>> > >     >     >>>> >>     I'd wanted to have this stuff shaped up
>> > > sooner,
>> > >     but I'm
>> > >     >     >>>> preoccupied with
>> > >     >     >>>> >>     the 7th RISC-V workshop at the end of the
>> > > month.
>> > >     >     >>>> >>
>> > >     >     >>>> >>     Once this stuff is all in, loader should
>> > > handle
>> > >     any GELI
>> > >     >     >>volumes it
>> > >     >     >>>> >>     finds, and it should Just Work once boot1
>> > > is gone.
>> > >     >     >>>> >>
>> > >     >     >>>> >>
>> > >     >     >>>> > _______________________________________________
>> > >     >     >>>> > freebsd-current_at_freebsd.org
>> > >     <mailto:freebsd-current_at_freebsd.org>
>> > >     >     <mailto:freebsd-current_at_freebsd.org
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>> > >     >     >>>>
>> > >     >     >>>
>> > >     >     >
>> > >     >     > --
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>> > brevity.
>> > > 
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Received on Sun Jul 08 2018 - 18:36:53 UTC

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