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app-crypt/efitools: Drop in favour of app-emulation/virt-firmware #2430

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merged 2 commits into from
Nov 7, 2024

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@chewi chewi commented Nov 6, 2024

Replace efitools with virt-firmware

virt-fw-vars handles X.509 conversion and QCOW2 conversion transparently and can update all the variables in a single invocation.

Bonus: Asking it to list the variables doesn't cause a segfault due to the feature not really being implemented. 😁

The 00000000-0000-0000-0000-000000000000 owner GUID is what flash-var used to set, as we didn't specify the -g argument. We don't need to set a meaningful value as this file is only for testing.

How to use

Simply use ./flatcar_production_qemu_uefi_secure.sh -T swtpm to ensure the image still works with Secure Boot enabled.

Testing done

qemu_uefi_secure failed overall but only because of cl.tpm.eventlog, which was already failing.

  • Changelog entries added in the respective changelog/ directory (user-facing change, bug fix, security fix, update) -- N/A
  • Inspected CI output for image differences: /boot and /usr size, packages, list files for any missing binaries, kernel modules, config files, kernel modules, etc. -- N/A

chewi added 2 commits November 6, 2024 11:58
Unfortunately, it pulls in a number of dependencies.

Signed-off-by: James Le Cuirot <jlecuirot@microsoft.com>
virt-fw-vars handles X.509 conversion and QCOW2 conversion transparently
and can update all the variables in a single invocation.

Bonus: Asking it to list the variables doesn't cause a segfault due to
the feature not really being implemented. :D

The 00000000-0000-0000-0000-000000000000 owner GUID is what flash-var
used to set, as we didn't specify the -g argument. We don't need to set
a meaningful value as this file is only for testing.

Signed-off-by: James Le Cuirot <jlecuirot@microsoft.com>
@chewi chewi requested a review from a team November 6, 2024 12:09
@chewi chewi self-assigned this Nov 6, 2024
@chewi chewi merged commit 2fcff86 into main Nov 7, 2024
1 check failed
@chewi chewi deleted the chewi/virt-firmware branch November 7, 2024 11:43
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2 participants