Fix secure boot issue when measuring the kernel #51
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The debug output can be missleading, as print information about the current event log, but not about the measured element, that can be different as in the kernel case. Signed-off-by: Alberto Planas <aplanas@suse.com>
Signed-off-by: Alberto Planas <aplanas@suse.com>
Signed-off-by: Alberto Planas <aplanas@suse.com>
Signed-off-by: Alberto Planas <aplanas@suse.com>
If the new EFI image is in a new place, the image information stored in the parsed event should be updated, so the rehash will use this information instead of the one from the event log. Signed-off-by: Alberto Planas <aplanas@suse.com>
Signed-off-by: Alberto Planas <aplanas@suse.com>
Signed-off-by: Alberto Planas <aplanas@suse.com>
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Signed-off-by: Alberto Planas <aplanas@suse.com>
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Communicated to shim via rhboot/shim#642 |
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When secure boot is enabled, the device path for the kernel (PCR4) is not filled in the event log. This makes the kernel not measured and the current hash of the event log reused.
This PR provides an heuristic to detect this situation, and use the next kernel parameter as a basis to build a new candidate that will be measured.
Build on top of #47