[PATCH v2 2/2] binman: etype: u_boot_spl_pubkey_dtb: provide more explicit error for key-name-hint with path

[Simon Glass]

On Fri, 18 Apr 2025 at 05:26, Quentin Schulz <foss+uboot at 0leil.net> wrote:
>
> From: Quentin Schulz <quentin.schulz at cherry.de>
>
> key-name-hint property in u-boot-spl-pubkey-dtb binman entry may contain
> a path instead of a filename due to user mistake.
>
> Because we currently assume it is a filename instead of a path, binman
> will find the full path to the key based on that path, and return the
> dirname of the full path but keeps the path in key-name-hint instead of
> stripping the directories from it.
>
> This means mkimage will fail with the following error message if we have
> key-name-hint set to keys/dev:
>
> binman: Error 1 running 'fdt_add_pubkey -a sha256,rsa2048 -k /home/qschulz/work/upstream/u-boot/keys -n keys/dev -r conf /home/qschulz/work/upstream/u-boot/build/ringneck/u-boot-spl-dtbdhsfx3mf': Couldn't open RSA certificate: '/home/qschulz/work/upstream/u-boot/keys/keys/dev.crt': No such file or directory
>
> Let's make it a bit more obvious what the error is by erroring out in
> binman if a path is provided in key-name-hint (it is named key-name-hint
> and not key-path-hint after all).
>
> Fixes: 5609843b57a4 ("binman: etype: Add u-boot-spl-pubkey-dtb etype")
> Signed-off-by: Quentin Schulz <quentin.schulz at cherry.de>
> ---
>  tools/binman/etype/u_boot_spl_pubkey_dtb.py              |  2 ++
>  tools/binman/ftest.py                                    |  7 +++++++
>  .../binman/test/348_key_name_hint_dir_spl_pubkey_dtb.dts | 16 ++++++++++++++++
>  3 files changed, 25 insertions(+)
>

Reviewed-by: Simon Glass <sjg at chromium.org>

The change log seems to be missing?