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Don't hook system services if shim has no built-in keys

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Shim should only need to enforce its security policy when its launching
binaries signed with its built-in key. Binaries signed by keys in db or
Mokdb should be able to rely on their own security policy.

Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This commit is contained in:
Matthew Garrett 2013-11-19 10:15:55 -05:00
parent d95b24bd02
commit 8b48ec5c70
1 changed files with 9 additions and 5 deletions
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14
shim.c
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@ -1757,11 +1757,15 @@ EFI_STATUS efi_main (EFI_HANDLE image_handle, EFI_SYSTEM_TABLE *passed_systab)
Print(L"Booting in insecure mode\n"); Print(L"Booting in insecure mode\n");
uefi_call_wrapper(BS->Stall, 1, 2000000); uefi_call_wrapper(BS->Stall, 1, 2000000);
} else if (secure_mode()) { } else if (secure_mode()) {
/* if (vendor_cert_size || vendor_dbx_size) {
* Install our hooks for ExitBootServices() and StartImage() /*
*/ * If shim includes its own certificates then ensure
hook_system_services(systab); * that anything it boots has performed some
loader_is_participating = 0; * validation of the next image.
*/
hook_system_services(systab);
loader_is_participating = 0;
}
} }
/* /*