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[202211] Add Secure Boot Kernel configuration backport #316

Merged
merged 3 commits into from
May 10, 2023
Merged

[202211] Add Secure Boot Kernel configuration backport #316

merged 3 commits into from
May 10, 2023

Commits on May 4, 2023

  1. Fix setting a config with an already-existing conflicting value 

    Fix setting a config value in kconfig-inclusions when there's already a
conflicting existing value in defconfig.

For example, setting CONFIG_SYSTEM_TRUSTED_KEYS would have no effect,
because there would already be a setting for this specified by Debian's
default config.

With this, it _might_ be possible to remove the need for
kconfig-force-inclusions, but that still needs to be checked.

Signed-off-by: Saikrishna Arcot <sarcot@microsoft.com>
    @saiarcot895 @DavidZagury
    saiarcot895 authored and DavidZagury committed May 4, 2023
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  2. Support verifying the value of strings (and not just y/m/n settings) 

    Becuase of kpatch-inclusions having quotes around the string, but the
value from `scripts/config` having the quotes stripped, the comparison
fails due to one side having quotes but the other side not having
quotes.

This effectively adds support for setting string kconfigs in
kconfig-inclusion.

Signed-off-by: Saikrishna Arcot <sarcot@microsoft.com>
    @saiarcot895 @DavidZagury
    saiarcot895 authored and DavidZagury committed May 4, 2023
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  3. Add Secure Boot Kernel configuration (sonic-net#298) 

    * [secure boot]Add Linux Kernel configuration to support Secure Boot feature & Secure warmboot

* [secure boot]Fix few typos

* [secure boot]Fix Secure boot build flag condition by adding an extra defined verification

* [secure boot]Remove WA after the fix in commit 5717c5d. The flow now will modify the kconfig-inclusions/exclusions file if the Secure Boot is enabled only.

* [secure boot]Add secure boot kernel config by using kconfig-secure-boot-exclusions and patch/kconfig-secure-boot-inclusions files with manage-config.

* [secure boot]removed comment, rename certificate with the name of the default debian key path.

* [secure boot]Fix equal condition and add input file validation to certificate

* [secure boot]Add signature force flag in kernel config, to force kernel module verification

---------

Co-authored-by: Saikrishna Arcot <sarcot@microsoft.com>
    @davidpil2002 @saiarcot895 @DavidZagury
    2 people authored and DavidZagury committed May 4, 2023
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