[PATCH v2 09/17] efi_loader: secure boot flag
Heinrich Schuchardt
xypron.glpk at gmx.de
Tue Jul 7 05:11:52 CEST 2020
In audit mode the UEFI variable SecureBoot is set to zero but the
efi_secure_boot flag is set to true.
The efi_secure_boot flag should match the UEFIvariable SecureBoot.
Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
---
lib/efi_loader/efi_variable.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/lib/efi_loader/efi_variable.c b/lib/efi_loader/efi_variable.c
index b84b86672a..f8a50bb1be 100644
--- a/lib/efi_loader/efi_variable.c
+++ b/lib/efi_loader/efi_variable.c
@@ -190,6 +190,8 @@ static efi_status_t efi_set_secure_state(u8 secure_boot, u8 setup_mode,
const u32 attributes_rw = EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS;
+ efi_secure_boot = secure_boot;
+
ret = efi_set_variable_int(L"SecureBoot", &efi_global_variable_guid,
attributes_ro, sizeof(secure_boot),
&secure_boot, false);
@@ -240,8 +242,6 @@ static efi_status_t efi_transfer_secure_state(enum efi_secure_mode mode)
ret = efi_set_secure_state(1, 0, 0, 1);
if (ret != EFI_SUCCESS)
goto err;
-
- efi_secure_boot = true;
} else if (mode == EFI_MODE_AUDIT) {
ret = efi_set_variable_int(L"PK", &efi_global_variable_guid,
EFI_VARIABLE_BOOTSERVICE_ACCESS |
@@ -253,14 +253,10 @@ static efi_status_t efi_transfer_secure_state(enum efi_secure_mode mode)
ret = efi_set_secure_state(0, 1, 1, 0);
if (ret != EFI_SUCCESS)
goto err;
-
- efi_secure_boot = true;
} else if (mode == EFI_MODE_USER) {
ret = efi_set_secure_state(1, 0, 0, 0);
if (ret != EFI_SUCCESS)
goto err;
-
- efi_secure_boot = true;
} else if (mode == EFI_MODE_SETUP) {
ret = efi_set_secure_state(0, 1, 0, 0);
if (ret != EFI_SUCCESS)
--
2.27.0
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