From: "Yao, Jiewen" <jiewen.yao@intel.com>
To: Grzegorz Bernacki <gjb@semihalf.com>,
"devel@edk2.groups.io" <devel@edk2.groups.io>
Cc: "leif@nuviainc.com" <leif@nuviainc.com>,
"ardb+tianocore@kernel.org" <ardb+tianocore@kernel.org>,
"Samer.El-Haj-Mahmoud@arm.com" <Samer.El-Haj-Mahmoud@arm.com>,
"sunny.Wang@arm.com" <sunny.Wang@arm.com>,
"upstream@semihalf.com" <upstream@semihalf.com>,
"Wang, Jian J" <jian.j.wang@intel.com>,
"Xu, Min M" <min.m.xu@intel.com>,
"lersek@redhat.com" <lersek@redhat.com>
Subject: Re: [PATCH 4/6] SecurityPkg: Add SecEnrollDefaultKeys application.
Date: Wed, 26 May 2021 12:50:54 +0000 [thread overview]
Message-ID: <PH0PR11MB4885A080F8ECA839A6142C658C249@PH0PR11MB4885.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20210526094204.73600-6-gjb@semihalf.com>
Hi
I have not reviewed all patches.
Just a quick comment: I don't think we allow ShellPkg dependency in SecuritytPkg.
You may refer to https://github.com/tianocore/edk2/blob/master/MdeModulePkg/Application/CapsuleApp/CapsuleApp.inf
Thank you
Yao Jiewen
> -----Original Message-----
> From: Grzegorz Bernacki <gjb@semihalf.com>
> Sent: Wednesday, May 26, 2021 5:42 PM
> To: devel@edk2.groups.io
> Cc: leif@nuviainc.com; ardb+tianocore@kernel.org; Samer.El-Haj-
> Mahmoud@arm.com; sunny.Wang@arm.com; gjb@semihalf.com;
> upstream@semihalf.com; Yao, Jiewen <jiewen.yao@intel.com>; Wang, Jian J
> <jian.j.wang@intel.com>; Xu, Min M <min.m.xu@intel.com>;
> lersek@redhat.com
> Subject: [PATCH 4/6] SecurityPkg: Add SecEnrollDefaultKeys application.
>
> This application allows user to force key enrollment from
> Secure Boot default variables.
>
> Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
> ---
> SecurityPkg/SecEnrollDefaultKeysApp/SecEnrollDefaultKeysApp.inf | 48
> +++++++++
> SecurityPkg/SecEnrollDefaultKeysApp/SecEnrollDefaultKeysApp.c | 108
> ++++++++++++++++++++
> 2 files changed, 156 insertions(+)
> create mode 100644
> SecurityPkg/SecEnrollDefaultKeysApp/SecEnrollDefaultKeysApp.inf
> create mode 100644
> SecurityPkg/SecEnrollDefaultKeysApp/SecEnrollDefaultKeysApp.c
>
> diff --git a/SecurityPkg/SecEnrollDefaultKeysApp/SecEnrollDefaultKeysApp.inf
> b/SecurityPkg/SecEnrollDefaultKeysApp/SecEnrollDefaultKeysApp.inf
> new file mode 100644
> index 0000000000..9d575ae0ac
> --- /dev/null
> +++ b/SecurityPkg/SecEnrollDefaultKeysApp/SecEnrollDefaultKeysApp.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 = SecEnrollDefaultKeysApp
> + FILE_GUID = 6F18CB2F-1293-4BC1-ABB8-35F84C71812E
> + MODULE_TYPE = UEFI_APPLICATION
> + VERSION_STRING = 0.1
> + ENTRY_POINT = ShellCEntryLib
> +
> +[Sources]
> + SecEnrollDefaultKeysApp.c
> +
> +[Packages]
> + MdeModulePkg/MdeModulePkg.dec
> + MdePkg/MdePkg.dec
> + SecurityPkg/SecurityPkg.dec
> + ShellPkg/ShellPkg.dec
> +
> +[Guids]
> + gEfiCertPkcs7Guid
> + gEfiCertSha256Guid
> + gEfiCertX509Guid
> + gEfiCustomModeEnableGuid
> + gEfiGlobalVariableGuid
> + gEfiImageSecurityDatabaseGuid
> + gEfiSecureBootEnableDisableGuid
> +
> +[Protocols]
> + gEfiSmbiosProtocolGuid ## CONSUMES
> +
> +[LibraryClasses]
> + BaseLib
> + BaseMemoryLib
> + DebugLib
> + MemoryAllocationLib
> + PrintLib
> + ShellCEntryLib
> + UefiBootServicesTableLib
> + UefiLib
> + UefiRuntimeServicesTableLib
> + SecBootVariableLib
> diff --git a/SecurityPkg/SecEnrollDefaultKeysApp/SecEnrollDefaultKeysApp.c
> b/SecurityPkg/SecEnrollDefaultKeysApp/SecEnrollDefaultKeysApp.c
> new file mode 100644
> index 0000000000..b66dd93a7a
> --- /dev/null
> +++ b/SecurityPkg/SecEnrollDefaultKeysApp/SecEnrollDefaultKeysApp.c
> @@ -0,0 +1,108 @@
> +/** @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/ShellCEntryLib.h> // ShellAppMain()
> +#include <Library/UefiBootServicesTableLib.h> // gBS
> +#include <Library/UefiLib.h> // AsciiPrint()
> +#include <Library/UefiRuntimeServicesTableLib.h> // gRT
> +#include <Uefi/UefiMultiPhase.h>
> +#include <Library/SecBootVariableLib.h>
> +
> +#define FAIL(fmt...) AsciiPrint("SecEnrollDefaultKeysApp: " fmt)
> +
> +/**
> + Entry point function of this shell application.
> +**/
> +INTN
> +EFIAPI
> +ShellAppMain (
> + IN UINTN Argc,
> + IN CHAR16 **Argv
> + )
> +{
> + EFI_STATUS Status;
> + UINT8 SetupMode;
> +
> + Status = CheckSetupMode (&SetupMode);
> + if (EFI_ERROR (Status)) {
> + FAIL ("Cannot get SetupMode variable: %r\n", Status);
> + return 1;
> + }
> +
> + if (SetupMode == USER_MODE) {
> + FAIL ("Skipped - USER_MODE\n");
> + return 1;
> + }
> +
> + Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);
> + if (EFI_ERROR (Status)) {
> + FAIL ("Cannot set CUSTOM_SECURE_BOOT_MODE: %r\n", Status);
> + return 1;
> + }
> +
> + Status = EnrollDbFromDefault ();
> + if (EFI_ERROR (Status)) {
> + FAIL ("Cannot enroll db: %r\n", Status);
> + goto error;
> + }
> +
> + Status = EnrollDbxFromDefault ();
> + if (EFI_ERROR (Status)) {
> + FAIL ("Cannot enroll dbt: %r\n", Status);
> + }
> +
> + Status = EnrollDbtFromDefault ();
> + if (EFI_ERROR (Status)) {
> + FAIL ("Cannot enroll dbx: %r\n", Status);
> + }
> +
> + Status = EnrollKEKFromDefault ();
> + if (EFI_ERROR (Status)) {
> + FAIL ("Cannot enroll KEK: %r\n", Status);
> + goto cleardbs;
> + }
> +
> + Status = EnrollPKFromDefault ();
> + if (EFI_ERROR (Status)) {
> + FAIL ("Cannot enroll PK: %r\n", Status);
> + goto clearKEK;
> + }
> +
> + Status = SetSecureBootMode (STANDARD_SECURE_BOOT_MODE);
> + if (EFI_ERROR (Status)) {
> + FAIL ("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 ("SecEnrollDefaultKeysApp: 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:[~2021-05-26 12:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-26 9:41 [PATCH 0/6] Secure Boot default keys Grzegorz Bernacki
2021-05-26 9:41 ` [edk2-platforms PATCH] Platform/RaspberryPi: Enable default Secure Boot variables initialization Grzegorz Bernacki
2021-05-26 9:41 ` [PATCH 1/6] SecurityPkg: Create library for setting Secure Boot variables Grzegorz Bernacki
2021-05-26 9:58 ` Sunny Wang
[not found] ` <1682957906E2CAD3.2072@groups.io>
2021-05-26 10:11 ` [edk2-devel] " Sunny Wang
2021-05-26 12:55 ` Yao, Jiewen
2021-05-26 9:42 ` [PATCH 2/6] SecurityPkg: Create include file for default key content Grzegorz Bernacki
2021-05-26 9:42 ` [PATCH 3/6] SecurityPkg: Add SecBootDefaultKeysDxe driver Grzegorz Bernacki
2021-05-26 12:56 ` Yao, Jiewen
2021-05-26 9:42 ` [PATCH 4/6] SecurityPkg: Add SecEnrollDefaultKeys application Grzegorz Bernacki
2021-05-26 12:50 ` Yao, Jiewen [this message]
2021-05-26 9:42 ` [PATCH 5/6] SecurityPkg: Add new modules to Security package Grzegorz Bernacki
2021-05-26 9:42 ` [PATCH 6/6] SecurityPkg: Add option to reset secure boot keys Grzegorz Bernacki
2021-05-26 11:49 ` [PATCH 0/6] Secure Boot default keys Laszlo Ersek
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