Add the infrastructure for shim signing & aarch64 support #2292
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I've pulled in @chewi commits into this PR. |
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Build action triggered: https://github.com/flatcar/scripts/actions/runs/11475028486 |
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Signed-off-by: Sayan Chowdhury <[email protected]>
Signed-off-by: Sayan Chowdhury <[email protected]>
Signed-off-by: Sayan Chowdhury <[email protected]>
Signed-off-by: James Le Cuirot <[email protected]>
Signed-off-by: Sayan Chowdhury <[email protected]>
Signed-off-by: Sayan Chowdhury <[email protected]>
The new arm64 firmware supporting Secure Boot (see next commit) is in QCOW2 format only, avoiding the extra space taken up by the 64MB padding. Supporting both raw and QCOW2 images would be messy, so switch entirely to QCOW2. Only the 4MB images are in QCOW2 format on amd64, so also switch away from the 2MB images. 4MB images are now the default for most distributions as they are needed to apply certain Windows updates. Signed-off-by: James Le Cuirot <[email protected]>
edk2-bin now supports multiple platforms, including QEMU on arm64, so we no longer need to use Fedora's build. Note that the Secure Boot implementation is currently insecure as it lacks SMM, which is needed to protect the EFI variable store. Signed-off-by: James Le Cuirot <[email protected]>
Rather than starting with a blank image, reuse the image that already has the Microsoft certificates and the latest DBX revocation list applied. Gentoo also applies the Red Hat certificates, which we don't need, but this is okay. Signed-off-by: James Le Cuirot <[email protected]>
Signed-off-by: James Le Cuirot <[email protected]>
We initially thought we would need Red Hat's patch set. Then it looked like we wouldn't because the TPM Event Log appeared to work without it. We later discovered that on amd64, it only works with Secure Boot disabled. The patch set also fixes Secure Boot on arm64, which would have otherwise needed a couple of patches from Canonical. We have to drop Gentoo's patches because they conflict, but they don't affect Flatcar anyway. Signed-off-by: James Le Cuirot <[email protected]>
Kola's logic for choosing BIOS vs EFI isn't too smart, and not specifying --qemu-ovmf-vars leads to it passing -bios to QEMU. This doesn't make sense for arm64, but it did work anyway with the old firmware in raw format. The new firmware in QCOW2 format doesn't work this way. Signed-off-by: James Le Cuirot <[email protected]>
We always use the board's GRUB now. Signed-off-by: James Le Cuirot <[email protected]>
It's from Gentoo commit d286faf494dcb60f81f0de921fa623d952962fc1.
It's from Gentoo commit 69e4044b72d971f5603df77793db86c40e582e2e.
It's from Gentoo commit 768b3c1959debce15854362ff7db176cda76c055.
It's from Gentoo commit 82ec02943f7f0ddaa87f623cee138608571a3978.
It hasn't been added to Gentoo yet.
Signed-off-by: Sayan Chowdhury <[email protected]>
p11-kit is a dependency of azure-keyvault-pkcs11, but we will also use it directly to fetch the certificate from Azure Key Vault. Signed-off-by: James Le Cuirot <[email protected]>
This fix has been submitted to Red Hat. It will hopefully be merged soon. Signed-off-by: James Le Cuirot <[email protected]>
These are only needed when you are going to ship DB updates to existing systems, which we are not going to do. Our EFI variables are only for testing. End users are expected to use EFI variables provided by their hosts or hardware vendors. We presumably provided these before because some PK and KEK does need to be provided, but we can now use the Microsoft and Red Hat ones provided via Gentoo's edk2 package. Signed-off-by: James Le Cuirot <[email protected]>
The cross issues that were previously addressed by our fork are no longer an issue since p11-kit migrated to Meson. Signed-off-by: James Le Cuirot <[email protected]>
Signed-off-by: James Le Cuirot <[email protected]>
Signed-off-by: James Le Cuirot <[email protected]>
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TODO before merge
Bump shim pacakge revision
Changelog entries added in the respective
changelog/directory (user-facing change, bug fix, security fix, update)Inspected CI output for image differences:
/bootand/usrsize, packages, list files for any missing binaries, kernel modules, config files, kernel modules, etc.