shim-unsigned-aarch64/SOURCES/0002-mok-fix-the-mirroring-of-RT-variables.patch

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2021-11-03 23:06:07 +00:00
From 4b27ae034ba9885960e72f77b3f687a9b7fea824 Mon Sep 17 00:00:00 2001
From: Gary Lin <glin@suse.com>
Date: Wed, 21 Nov 2018 12:47:43 +0800
Subject: [PATCH 2/3] mok: fix the mirroring of RT variables
When there is no key in MokList, import_mok_state() just skipped MokList
even though it should always mirror the vendor cert. Besides, the faulty
check of 'present' and 'addend' invalidates the mirroring of MokListXRT,
MokSBStateRT, and MokIgnoreDB.
https://github.com/rhboot/shim/issues/154
Signed-off-by: Gary Lin <glin@suse.com>
---
mok.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/mok.c b/mok.c
index 00dd1ad3034..41925abbb49 100644
--- a/mok.c
+++ b/mok.c
@@ -231,12 +231,8 @@ EFI_STATUS import_mok_state(EFI_HANDLE image_handle)
&v->data, &v->data_size,
*v->guid, &attrs);
if (efi_status == EFI_NOT_FOUND) {
- if (v->rtname && addend) {
- efi_status = mirror_one_mok_variable(v);
- if (EFI_ERROR(efi_status) &&
- ret != EFI_SECURITY_VIOLATION)
- ret = efi_status;
- }
+ if (addend)
+ goto mirror_addend;
/*
* after possibly adding, we can continue, no
* further checks to be done.
@@ -316,7 +312,8 @@ EFI_STATUS import_mok_state(EFI_HANDLE image_handle)
}
}
- if (v->rtname && present && addend) {
+mirror_addend:
+ if (v->rtname && (present || addend)) {
if (v->flags & MOK_MIRROR_DELETE_FIRST)
LibDeleteVariable(v->rtname, v->guid);
--
2.20.1