From: Javier Martinez Canillas <javi...@redhat.com>
The shim_lock verifier validates the XNU kernels but no its extensions
and packages. Prevent these to be loaded when the GRUB is locked down.
Signed-off-by: Javier Martinez Canillas <javi...@redhat.com>
Reviewed-by: Daniel Kiper <daniel.ki...@oracle.com>
---
grub-core/loader/xnu.c | 31 +++++++++++++++++--------------
1 file changed, 17 insertions(+), 14 deletions(-)
diff --git a/grub-core/loader/xnu.c b/grub-core/loader/xnu.c
index 9ae4ceb35..44fd5a979 100644
--- a/grub-core/loader/xnu.c
+++ b/grub-core/loader/xnu.c
@@ -1485,20 +1485,23 @@ GRUB_MOD_INIT(xnu)
N_("Load XNU image."));
cmd_kernel64 = grub_register_command ("xnu_kernel64", grub_cmd_xnu_kernel64,
0, N_("Load 64-bit XNU image."));
- cmd_mkext = grub_register_command ("xnu_mkext", grub_cmd_xnu_mkext, 0,
- N_("Load XNU extension package."));
- cmd_kext = grub_register_command ("xnu_kext", grub_cmd_xnu_kext, 0,
- N_("Load XNU extension."));
- cmd_kextdir = grub_register_command ("xnu_kextdir", grub_cmd_xnu_kextdir,
- /* TRANSLATORS: OSBundleRequired is a
- variable name in xnu extensions
- manifests. It behaves mostly like
- GNU/Linux runlevels.
- */
- N_("DIRECTORY [OSBundleRequired]"),
- /* TRANSLATORS: There are many extensions
- in extension directory. */
- N_("Load XNU extension directory."));
+ cmd_mkext = grub_register_command_lockdown ("xnu_mkext", grub_cmd_xnu_mkext,
0,
+ N_("Load XNU extension
package."));
+ cmd_kext = grub_register_command_lockdown ("xnu_kext", grub_cmd_xnu_kext, 0,
+ N_("Load XNU extension."));
+ cmd_kextdir = grub_register_command_lockdown ("xnu_kextdir",
grub_cmd_xnu_kextdir,
+ /*
+ * TRANSLATORS:
OSBundleRequired is
+ * a variable name in xnu
extensions
+ * manifests. It behaves mostly
like
+ * GNU/Linux runlevels.
+ */
+ N_("DIRECTORY
[OSBundleRequired]"),
+ /*
+ * TRANSLATORS: There are many
extensions
+ * in extension directory.
+ */
+ N_("Load XNU extension
directory."));
cmd_ramdisk = grub_register_command ("xnu_ramdisk", grub_cmd_xnu_ramdisk, 0,
/* TRANSLATORS: ramdisk here isn't identifier. It can be translated. */
N_("Load XNU ramdisk. "
--
2.11.0
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