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| author | Grzegorz Bernacki <gjb@semihalf.com> | 2021-08-02 12:46:30 +0200 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2021-08-03 07:26:41 +0000 |
| commit | 94e065582bbcf241780a30773ea58e0e063b6d56 (patch) | |
| tree | 2f2094b26333792145aebeeed6d08ff4498448ee /SecurityPkg | |
| parent | a97e9e327e642246481064d1251d161417b4ab4e (diff) | |
| download | edk2-94e065582bbcf241780a30773ea58e0e063b6d56.tar.gz edk2-94e065582bbcf241780a30773ea58e0e063b6d56.tar.bz2 edk2-94e065582bbcf241780a30773ea58e0e063b6d56.zip | |
SecurityPkg: Add SecureBootDefaultKeysDxe driver
This driver initializes default Secure Boot keys and databases
based on keys embedded in flash.
Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
Reviewed-by: Sunny Wang <sunny.wang@arm.com>
Reviewed-by: Pete Batard <pete@akeo.ie>
Tested-by: Pete Batard <pete@akeo.ie> # on Raspberry Pi 4
Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>
Diffstat (limited to 'SecurityPkg')
3 files changed, 131 insertions, 0 deletions
diff --git a/SecurityPkg/VariableAuthenticated/SecureBootDefaultKeysDxe/SecureBootDefaultKeysDxe.c b/SecurityPkg/VariableAuthenticated/SecureBootDefaultKeysDxe/SecureBootDefaultKeysDxe.c new file mode 100644 index 0000000000..f51d5243b7 --- /dev/null +++ b/SecurityPkg/VariableAuthenticated/SecureBootDefaultKeysDxe/SecureBootDefaultKeysDxe.c @@ -0,0 +1,69 @@ +/** @file
+ This driver init default Secure Boot variables
+
+Copyright (c) 2021, ARM Ltd. All rights reserved.<BR>
+Copyright (c) 2021, Semihalf All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+#include <Guid/AuthenticatedVariableFormat.h>
+#include <Guid/ImageAuthentication.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/SecureBootVariableLib.h>
+#include <Library/SecureBootVariableProvisionLib.h>
+
+/**
+ The entry point for SecureBootDefaultKeys driver.
+
+ @param[in] ImageHandle The image handle of the driver.
+ @param[in] SystemTable The system table.
+
+ @retval EFI_ALREADY_STARTED The driver already exists in system.
+ @retval EFI_OUT_OF_RESOURCES Fail to execute entry point due to lack of resources.
+ @retval EFI_SUCCESS All the related protocols are installed on the driver.
+ @retval Others Fail to get the SecureBootEnable variable.
+
+**/
+EFI_STATUS
+EFIAPI
+SecureBootDefaultKeysEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ Status = SecureBootInitPKDefault ();
+ if (EFI_ERROR (Status)) {
+ DEBUG((DEBUG_ERROR, "%a: Cannot initialize PKDefault: %r\n", __FUNCTION__, Status));
+ return Status;
+ }
+
+ Status = SecureBootInitKEKDefault ();
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: Cannot initialize KEKDefault: %r\n", __FUNCTION__, Status));
+ return Status;
+ }
+ Status = SecureBootInitDbDefault ();
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: Cannot initialize dbDefault: %r\n", __FUNCTION__, Status));
+ return Status;
+ }
+
+ Status = SecureBootInitDbtDefault ();
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_INFO, "%a: dbtDefault not initialized\n", __FUNCTION__));
+ }
+
+ Status = SecureBootInitDbxDefault ();
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_INFO, "%a: dbxDefault not initialized\n", __FUNCTION__));
+ }
+
+ return Status;
+}
diff --git a/SecurityPkg/VariableAuthenticated/SecureBootDefaultKeysDxe/SecureBootDefaultKeysDxe.inf b/SecurityPkg/VariableAuthenticated/SecureBootDefaultKeysDxe/SecureBootDefaultKeysDxe.inf new file mode 100644 index 0000000000..3ed45fa497 --- /dev/null +++ b/SecurityPkg/VariableAuthenticated/SecureBootDefaultKeysDxe/SecureBootDefaultKeysDxe.inf @@ -0,0 +1,46 @@ +## @file
+# Initializes Secure Boot default keys
+#
+# Copyright (c) 2021, ARM Ltd. All rights reserved.<BR>
+# Copyright (c) 2021, Semihalf All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = SecureBootDefaultKeysDxe
+ FILE_GUID = C937FCB7-25AC-4376-89A2-4EA8B317DE83
+ MODULE_TYPE = DXE_DRIVER
+ ENTRY_POINT = SecureBootDefaultKeysEntryPoint
+
+#
+# VALID_ARCHITECTURES = IA32 X64 AARCH64
+#
+[Sources]
+ SecureBootDefaultKeysDxe.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ SecurityPkg/SecurityPkg.dec
+
+[LibraryClasses]
+ BaseLib
+ BaseMemoryLib
+ MemoryAllocationLib
+ UefiDriverEntryPoint
+ DebugLib
+ SecureBootVariableLib
+ SecureBootVariableProvisionLib
+
+[Guids]
+ ## SOMETIMES_PRODUCES ## Variable:L"PKDefault"
+ ## SOMETIMES_PRODUCES ## Variable:L"KEKDefault"
+ ## SOMETIMES_PRODUCES ## Variable:L"dbDefault"
+ ## SOMETIMES_PRODUCES ## Variable:L"dbtDefault"
+ ## SOMETIMES_PRODUCES ## Variable:L"dbxDefault"
+ gEfiGlobalVariableGuid
+
+[Depex]
+ gEfiVariableArchProtocolGuid AND
+ gEfiVariableWriteArchProtocolGuid
diff --git a/SecurityPkg/VariableAuthenticated/SecureBootDefaultKeysDxe/SecureBootDefaultKeysDxe.uni b/SecurityPkg/VariableAuthenticated/SecureBootDefaultKeysDxe/SecureBootDefaultKeysDxe.uni new file mode 100644 index 0000000000..2b6cb7f950 --- /dev/null +++ b/SecurityPkg/VariableAuthenticated/SecureBootDefaultKeysDxe/SecureBootDefaultKeysDxe.uni @@ -0,0 +1,16 @@ +// /** @file
+// Provides the capability to intialize Secure Boot default variables
+//
+// Module which initializes Secure boot default variables.
+//
+// Copyright (c) 2021, ARM Ltd. All rights reserved.<BR>
+// Copyright (c) 2021, Semihalf All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "Module which initializes Secure boot default variables"
+
+#string STR_MODULE_DESCRIPTION #language en-US "This module reads embedded keys and initializes Secure Boot default variables."
|