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fdt: Treat device tree file type like ACPI

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We now have signature check logic in grub which allows us to treat
files differently depending on their file type.

Treat a loaded device tree like an overlayed ACPI table.
Both describe hardware, so I suppose their threat level is the same.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Alexander Graf 2019-02-12 11:31:08 +01:00 committed by Daniel Kiper
parent f1957dc8a3
commit c956126a51
2 changed files with 3 additions and 2 deletions
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1
grub-core/commands/efi/shim_lock.c
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@ -81,6 +81,7 @@ shim_lock_init (grub_file_t io, enum grub_file_type type,
/* Fall through. */
case GRUB_FILE_TYPE_ACPI_TABLE:
case GRUB_FILE_TYPE_DEVICE_TREE_IMAGE:
*flags = GRUB_VERIFY_FLAGS_DEFER_AUTH;
return GRUB_ERR_NONE;

4
include/grub/file.h
View file

@ -74,8 +74,6 @@ enum grub_file_type
GRUB_FILE_TYPE_EFI_CHAINLOADED_IMAGE,
GRUB_FILE_TYPE_DEVICE_TREE_IMAGE,
/* File holding signature. */
GRUB_FILE_TYPE_SIGNATURE,
/* File holding public key to verify signature once. */
@ -100,6 +98,8 @@ enum grub_file_type
GRUB_FILE_TYPE_FILE_ID,
/* File holding ACPI table. */
GRUB_FILE_TYPE_ACPI_TABLE,
/* File holding Device Tree. */
GRUB_FILE_TYPE_DEVICE_TREE_IMAGE,
/* File we intend show to user. */
GRUB_FILE_TYPE_CAT,
GRUB_FILE_TYPE_HEXCAT,