From: "Grzegorz Bernacki" <gjb@semihalf.com>
To: devel@edk2.groups.io
Cc: leif@nuviainc.com, ardb+tianocore@kernel.org,
Samer.El-Haj-Mahmoud@arm.com, sunny.Wang@arm.com,
mw@semihalf.com, upstream@semihalf.com, jiewen.yao@intel.com,
jian.j.wang@intel.com, min.m.xu@intel.com, lersek@redhat.com,
sami.mujawar@arm.com, afish@apple.com, ray.ni@intel.com,
jordan.l.justen@intel.com, rebecca@bsdio.com, grehan@freebsd.org,
thomas.abraham@arm.com, chasel.chiu@intel.com,
nathaniel.l.desimone@intel.com, gaoliming@byosoft.com.cn,
eric.dong@intel.com, michael.d.kinney@intel.com,
zailiang.sun@intel.com, yi.qian@intel.com, graeme@nuviainc.com,
rad@semihalf.com, pete@akeo.ie,
Grzegorz Bernacki <gjb@semihalf.com>,
Jiewen Yao <Jiewen.yao@intel.com>,
Sunny Wang <sunny.wang@arm.com>
Subject: [PATCH v6 09/11] SecurityPkg: Add EnrollFromDefaultKeys application.
Date: Wed, 14 Jul 2021 14:29:50 +0200 [thread overview]
Message-ID: <20210714122952.1340890-10-gjb@semihalf.com> (raw)
In-Reply-To: <20210714122952.1340890-1-gjb@semihalf.com>
This application allows user to force key enrollment from
Secure Boot default variables.
Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>
Reviewed-by: Sunny Wang <sunny.wang@arm.com>
---
SecurityPkg/EnrollFromDefaultKeysApp/EnrollFromDefaultKeysApp.inf | 48 +++++++++
SecurityPkg/EnrollFromDefaultKeysApp/EnrollFromDefaultKeysApp.c | 110 ++++++++++++++++++++
2 files changed, 158 insertions(+)
create mode 100644 SecurityPkg/EnrollFromDefaultKeysApp/EnrollFromDefaultKeysApp.inf
create mode 100644 SecurityPkg/EnrollFromDefaultKeysApp/EnrollFromDefaultKeysApp.c
diff --git a/SecurityPkg/EnrollFromDefaultKeysApp/EnrollFromDefaultKeysApp.inf b/SecurityPkg/EnrollFromDefaultKeysApp/EnrollFromDefaultKeysApp.inf
new file mode 100644
index 0000000000..8675b30291
--- /dev/null
+++ b/SecurityPkg/EnrollFromDefaultKeysApp/EnrollFromDefaultKeysApp.inf
@@ -0,0 +1,48 @@
+## @file
+# Enroll PK, KEK, db, dbx from 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
+##
+
+[Defines]
+ INF_VERSION = 1.28
+ BASE_NAME = EnrollFromDefaultKeysApp
+ FILE_GUID = 6F18CB2F-1293-4BC1-ABB8-35F84C71812E
+ MODULE_TYPE = UEFI_APPLICATION
+ VERSION_STRING = 0.1
+ ENTRY_POINT = UefiMain
+
+[Sources]
+ EnrollFromDefaultKeysApp.c
+
+[Packages]
+ MdeModulePkg/MdeModulePkg.dec
+ MdePkg/MdePkg.dec
+ SecurityPkg/SecurityPkg.dec
+
+[Guids]
+ gEfiCertPkcs7Guid
+ gEfiCertSha256Guid
+ gEfiCertX509Guid
+ gEfiCustomModeEnableGuid
+ gEfiGlobalVariableGuid
+ gEfiImageSecurityDatabaseGuid
+ gEfiSecureBootEnableDisableGuid
+
+[Protocols]
+ gEfiSmbiosProtocolGuid ## CONSUMES
+
+[LibraryClasses]
+ BaseLib
+ BaseMemoryLib
+ DebugLib
+ MemoryAllocationLib
+ PrintLib
+ UefiApplicationEntryPoint
+ UefiBootServicesTableLib
+ UefiLib
+ UefiRuntimeServicesTableLib
+ SecureBootVariableLib
+ SecureBootVariableProvisionLib
diff --git a/SecurityPkg/EnrollFromDefaultKeysApp/EnrollFromDefaultKeysApp.c b/SecurityPkg/EnrollFromDefaultKeysApp/EnrollFromDefaultKeysApp.c
new file mode 100644
index 0000000000..13b7c61732
--- /dev/null
+++ b/SecurityPkg/EnrollFromDefaultKeysApp/EnrollFromDefaultKeysApp.c
@@ -0,0 +1,110 @@
+/** @file
+ Enroll default PK, KEK, db, dbx.
+
+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> // gEfiCustomModeEnableGuid
+#include <Guid/GlobalVariable.h> // EFI_SETUP_MODE_NAME
+#include <Guid/ImageAuthentication.h> // EFI_IMAGE_SECURITY_DATABASE
+#include <Library/BaseLib.h> // GUID_STRING_LENGTH
+#include <Library/BaseMemoryLib.h> // CopyGuid()
+#include <Library/DebugLib.h> // ASSERT()
+#include <Library/MemoryAllocationLib.h> // FreePool()
+#include <Library/PrintLib.h> // AsciiSPrint()
+#include <Library/UefiBootServicesTableLib.h> // gBS
+#include <Library/UefiLib.h> // AsciiPrint()
+#include <Library/UefiRuntimeServicesTableLib.h> // gRT
+#include <Uefi/UefiMultiPhase.h>
+#include <Library/SecureBootVariableLib.h>
+#include <Library/SecureBootVariableProvisionLib.h>
+
+/**
+ Entry point function of this shell application.
+**/
+EFI_STATUS
+EFIAPI
+UefiMain (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ UINT8 SetupMode;
+
+ Status = GetSetupMode (&SetupMode);
+ if (EFI_ERROR (Status)) {
+ AsciiPrint ("EnrollFromDefaultKeysApp: Cannot get SetupMode variable: %r\n", Status);
+ return 1;
+ }
+
+ if (SetupMode == USER_MODE) {
+ AsciiPrint ("EnrollFromDefaultKeysApp: Skipped - USER_MODE\n");
+ return 1;
+ }
+
+ Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);
+ if (EFI_ERROR (Status)) {
+ AsciiPrint ("EnrollFromDefaultKeysApp: Cannot set CUSTOM_SECURE_BOOT_MODE: %r\n", Status);
+ return 1;
+ }
+
+ Status = EnrollDbFromDefault ();
+ if (EFI_ERROR (Status)) {
+ AsciiPrint ("EnrollFromDefaultKeysApp: Cannot enroll db: %r\n", Status);
+ goto error;
+ }
+
+ Status = EnrollDbxFromDefault ();
+ if (EFI_ERROR (Status)) {
+ AsciiPrint ("EnrollFromDefaultKeysApp: Cannot enroll dbt: %r\n", Status);
+ }
+
+ Status = EnrollDbtFromDefault ();
+ if (EFI_ERROR (Status)) {
+ AsciiPrint ("EnrollFromDefaultKeysApp: Cannot enroll dbx: %r\n", Status);
+ }
+
+ Status = EnrollKEKFromDefault ();
+ if (EFI_ERROR (Status)) {
+ AsciiPrint ("EnrollFromDefaultKeysApp: Cannot enroll KEK: %r\n", Status);
+ goto cleardbs;
+ }
+
+ Status = EnrollPKFromDefault ();
+ if (EFI_ERROR (Status)) {
+ AsciiPrint ("EnrollFromDefaultKeysApp: Cannot enroll PK: %r\n", Status);
+ goto clearKEK;
+ }
+
+ Status = SetSecureBootMode (STANDARD_SECURE_BOOT_MODE);
+ if (EFI_ERROR (Status)) {
+ AsciiPrint (
+ "EnrollFromDefaultKeysApp: Cannot set CustomMode to STANDARD_SECURE_BOOT_MODE\n"
+ "Please do it manually, otherwise system can be easily compromised\n"
+ );
+ }
+ return 0;
+
+clearKEK:
+ DeleteKEK ();
+
+cleardbs:
+ DeleteDbt ();
+ DeleteDbx ();
+ DeleteDb ();
+
+error:
+ Status = SetSecureBootMode (STANDARD_SECURE_BOOT_MODE);
+ if (EFI_ERROR (Status)) {
+ AsciiPrint (
+ "EnrollFromDefaultKeysApp: Cannot set CustomMode to STANDARD_SECURE_BOOT_MODE\n"
+ "Please do it manually, otherwise system can be easily compromised\n"
+ );
+ }
+
+ return 1;
+}
--
2.25.1
next prev parent reply other threads:[~2021-07-14 12:30 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-14 12:29 [PATCH v6 00/11] Secure Boot default keys Grzegorz Bernacki
2021-07-14 12:29 ` [PATCH v6 01/11] SecurityPkg: Create SecureBootVariableLib Grzegorz Bernacki
2021-07-14 12:29 ` [PATCH v6 02/11] SecurityPkg: Create library for enrolling Secure Boot variables Grzegorz Bernacki
2021-07-14 12:29 ` [PATCH v6 03/11] ArmVirtPkg: add SecureBootVariableLib class resolution Grzegorz Bernacki
2021-07-14 12:29 ` [PATCH v6 04/11] OvmfPkg: " Grzegorz Bernacki
2021-07-14 12:29 ` [PATCH v6 05/11] EmulatorPkg: " Grzegorz Bernacki
2021-07-21 2:53 ` [edk2-devel] " Ni, Ray
2021-07-14 12:29 ` [PATCH v6 06/11] SecurityPkg: Remove duplicated functions from SecureBootConfigDxe Grzegorz Bernacki
2021-07-14 12:29 ` [PATCH v6 07/11] ArmPlatformPkg: Create include file for default key content Grzegorz Bernacki
2021-07-14 12:29 ` [PATCH v6 08/11] SecurityPkg: Add SecureBootDefaultKeysDxe driver Grzegorz Bernacki
2021-07-14 12:29 ` Grzegorz Bernacki [this message]
2021-07-14 12:29 ` [PATCH v6 10/11] SecurityPkg: Add new modules to Security package Grzegorz Bernacki
2021-07-14 12:29 ` [PATCH v6 11/11] SecurityPkg: Add option to reset secure boot keys Grzegorz Bernacki
2021-07-15 3:16 ` [edk2-devel] [PATCH v6 00/11] Secure Boot default keys Yao, Jiewen
2021-07-16 12:00 ` Samer El-Haj-Mahmoud
2021-07-16 17:28 ` Ard Biesheuvel
2021-07-20 1:32 ` 回复: " gaoliming
2021-07-21 3:40 ` Sunny Wang
2021-07-28 7:44 ` 回复: " gaoliming
2021-07-28 10:39 ` Ard Biesheuvel
2021-07-28 11:07 ` Ard Biesheuvel
2021-07-29 8:54 ` Grzegorz Bernacki
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