From patchwork Thu Jul 14 23:27:46 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laszlo Ersek X-Patchwork-Id: 72056 Delivered-To: patch@linaro.org Received: by 10.140.29.52 with SMTP id a49csp318604qga; Thu, 14 Jul 2016 16:27:55 -0700 (PDT) X-Received: by 10.98.58.149 with SMTP id v21mr16410673pfj.19.1468538875067; Thu, 14 Jul 2016 16:27:55 -0700 (PDT) Return-Path: Received: from ml01.01.org (ml01.01.org. [2001:19d0:306:5::1]) by mx.google.com with ESMTPS id n2si488386pfj.287.2016.07.14.16.27.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 Jul 2016 16:27:55 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of edk2-devel-bounces@lists.01.org designates 2001:19d0:306:5::1 as permitted sender) client-ip=2001:19d0:306:5::1; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of edk2-devel-bounces@lists.01.org designates 2001:19d0:306:5::1 as permitted sender) smtp.mailfrom=edk2-devel-bounces@lists.01.org Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 5A6A81A1F00; Thu, 14 Jul 2016 16:28:40 -0700 (PDT) X-Original-To: edk2-devel@ml01.01.org Delivered-To: edk2-devel@ml01.01.org Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 894FA1A1EC0 for ; Thu, 14 Jul 2016 16:28:38 -0700 (PDT) Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 42384711C9; Thu, 14 Jul 2016 23:27:51 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-116-21.phx2.redhat.com [10.3.116.21]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u6ENRlGV004972; Thu, 14 Jul 2016 19:27:47 -0400 To: Ard Biesheuvel References: <1468502169-15248-1-git-send-email-ard.biesheuvel@linaro.org> From: Laszlo Ersek Message-ID: Date: Fri, 15 Jul 2016 01:27:46 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <1468502169-15248-1-git-send-email-ard.biesheuvel@linaro.org> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 14 Jul 2016 23:27:51 +0000 (UTC) Subject: Re: [edk2] [PATCH 0/5] MdePkg BaseTools: GCC optimization for X64 X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: jordan.l.justen@intel.com, edk2-devel@ml01.01.org, afish@apple.com, liming.gao@intel.com, michael.d.kinney@intel.com Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" On 07/14/16 15:16, Ard Biesheuvel wrote: > This series is not an attempt to steal Steven's thunder. I was merely > inspired by some of the changes he is proposing for GCC 5 and Clang > support, which I noticed would be applicable to older versions of GCC > as well. > > The first patch fixes the issue that __builtin_unreachable() is not > implemented by GCC 4.4 or earlier. > > Patch #2 is Steven's patch to switch to the flavor of VA_LIST that is > explicitly modeled after the MS implementation. This by itself is an > improvement, since the open coded implementation that performs arithmetic > on the address of explicit arguments to obtain the variadic arguments is > fragile and difficult to maintain, and should be best avoided. > > Patch #3 enabled -O2 optimization for X64/RELEASE all the way back to GCC44. > I tested this change with both Ovmf and EmulatorPkg built in various ways > and with various versions, with the caveat that I did not always use a matching > binutils (i.e., of the same era). Since the issues this series deal with are > all code generation issues, I think this is reasonable, but more testing would > be appreciated. > > Patch #4 applies the visibility 'hidden' GCC pragma globally. Please refer to > the commit log for the motivation. > > Patch #5 switches GCC/X64 to the PIC small code model, which results in smaller > code. > > Ard Biesheuvel (4): > MdePkg: avoid __builtin_unreachable() on GCC v4.4 > BaseTools/tools_def: enable O2 optimization for GCC X64 builds > MdePkg X64: force 'hidden' visibility when building with -fpic > BaseTools/tools_def: switch GCC/X64 to the PIC small model > > Shi, Steven (1): > MdePkg: Enable new MS VA intrinsics for GNUC x86 64bits build > > BaseTools/Conf/tools_def.template | 18 +++++++----- > MdePkg/Include/Base.h | 29 +++++++++++++++++++- > MdePkg/Include/X64/ProcessorBind.h | 10 +++++++ > 3 files changed, 49 insertions(+), 8 deletions(-) > mode change 100644 => 100755 MdePkg/Include/Base.h > So, I did some tests. First, the build tests. I built OVMF 84 times, with the following settings: * Dimension 1: whether your and Steven's patches were applied or not. The basis was always: - upstream 04147690b59b, - plus my personal patches that I constantly rebase, - plus my pending "feat_ctrl_issue97_v3" patches, - plus my work-in-progress build fixes for GCCxx and VS2015x86 warnings, - plus OpenSSL 1.0.2g. These patches don't interfere with your and Steven's work. So on top of this basis, your and Steven's patches were either applied (rebased) or not. This is a multiplier of 2. * Dimension 2: the GCC toolchain used. Ranging from GCC44 through GCC49, plus gcc-6.1 at the end (using GCC49 settings). Multiplier of 7. * Dimension 3: DEBUG versus RELEASE build target. Factor of 2. * Dimension 4: the OVMF platform. I used the following command lines: - build -a IA32 -p OvmfPkg/OvmfPkgIa32.dsc -D SMM_REQUIRE \ -D SECURE_BOOT_ENABLE -D HTTP_BOOT_ENABLE - build -a IA32 -a X64 -p OvmfPkg/OvmfPkgIa32X64.dsc -D SMM_REQUIRE \ -D SECURE_BOOT_ENABLE -D HTTP_BOOT_ENABLE - build -a X64 -p OvmfPkg/OvmfPkgX64.dsc \ -D SECURE_BOOT_ENABLE -D HTTP_BOOT_ENABLE As you can see, Ia32 and Ia32X64 are built with the SMM driver stack; X64 is built without it. (This is because edk2 S3 doesn't support X64+SMM at the moment, so I either have to build X64 without SMM, or disable S3 support on the QEMU command line. I find the latter more inconvenient, plus Ia32X64 is just fine for 64-bit OS + SMM + S3.) Anyhow, this is a factor of 3. For these builds, I collected the log files and the report files. Values in dimension 3 are not separated into separate files, because you can pass -b DEBUG -b RELEASE at once, and the build utility will do the right thing -- it will build both targets in succession. However, the log file and the report file each will contain both DEBUG and RELEASE output. For the builds I also collected the OVMF_CODE.fd firmware binaries. The good news is that all of the builds succeeded. You can draw size comparisons from the build log files: see SECFV, PEIFV and DXEFV for uncompressed sizes, and FVMAIN_COMPACT for the compressed size of PEIFV+DXEFV together. (Thanks Mike for the reminder!) I'll send you the link to the results archive off-list. (I tend not to post stuff publicly that I cannot review in detail, purely out of privacy concerns, and this archive is just too big for that. For example I dislike disclosing full pathnames from my system: in commit messages I always edit them out.) Clearly if you distill any numbers from the archive, you are going to review those in detail (and hopefully you won't disclose the entire archive), so it should suffice to constrain my privacy concerns to you personally. :) -o- Second, the run test. I executed two test scenarios here. For these, the following dimensions were fixed: - Dimension 1: your and Steven's patches were always applied. - Dimension 2: the toolchain was always GCC48. - Dimension 4: the OVMF platform was always X64. * The first runtime test was repeating this test: http://thread.gmane.org/gmane.comp.bios.tianocore.devel/10963 Obviously, I modified this test a little bit: I removed the -Os / -O0 parts and differences, and simply built the UEFI binary with -b DEBUG and -b RELEASE (--> Dimension 3 was variable). The bug that I had originally reported in that thread did *not* reproduce this time. The -b RELEASE binary worked fine. * However, then I built my program -- find it attached -- with -b DEBUG and -b RELEASE too, and the -b RELEASE binary is broken. Here's the difference in output: FS2:\> DebugEnrollDefaultKeys.efi info: SetupMode=1 SecureBoot=0 SecureBootEnable=1 CustomMode=1 VendorKeys=0 info: SetupMode=0 SecureBoot=1 SecureBootEnable=1 CustomMode=0 VendorKeys=0 info: success versus FS2:\> OptEnrollDefaultKeys.efi info: SetupMode=1 SecureBoot=0 SecureBootEnable=1 CustomMode=1 VendorKeys=0 error: EnrollListOfX509Certs("db", D719B2CB-3D3A-4596-A3BC-DAD00E67656F): Invalid Parameter I don't know why this happens, but it definitely relates to varargs -- the program uses them liberally. NB: I did not test a RELEASE build of this program without your and Steven's patches. (Remember that dimension 1 was fixed.) Thanks Laszlo _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel >From 75fc8effe157035b9ebc581cac4cefd12e2a143f Mon Sep 17 00:00:00 2001 From: Laszlo Ersek Date: Mon, 6 Jul 2015 20:22:02 +0200 Subject: [PATCH] OvmfPkg: EnrollDefaultKeys: application for enrolling default keys (A port of the patch to Gerd's public RPMs. Adapted to VS2015x86 warnings about "possible loss of data" in some size_t->UINT32 conversions. (The possibility for "data loss" was purely academic.)) This application is meant to be invoked by the management layer, after booting the UEFI shell and getting a shell prompt on the serial console. The app enrolls a number of certificates (see below), and then reports status to the serial console as well. The expected output is "info: success": > Shell> EnrollDefaultKeys.efi > info: SetupMode=1 SecureBoot=0 SecureBootEnable=0 CustomMode=0 VendorKeys=1 > info: SetupMode=0 SecureBoot=1 SecureBootEnable=1 CustomMode=0 VendorKeys=0 > info: success > Shell> In case of success, the management layer can force off or reboot the VM (for example with the "reset -s" or "reset -c" UEFI shell commands, respectively), and start the guest installation with SecureBoot enabled. PK: - A unique, static, ad-hoc certificate whose private half has been destroyed (more precisely, never saved) and is therefore unusable for signing. (The command for creating this certificate is saved in the source code.) KEK: - same ad-hoc certificate as used for the PK, - "Microsoft Corporation KEK CA 2011" -- the dbx data in Fedora's dbxtool package is signed (indirectly, through a chain) with this; enrolling such a KEK should allow guests to install those updates. DB: - "Microsoft Windows Production PCA 2011" -- to load Windows 8 and Windows Server 2012 R2, - "Microsoft Corporation UEFI CA 2011" -- to load Linux and signed PCI oproms. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek --- OvmfPkg/OvmfPkgIa32.dsc | 4 + OvmfPkg/OvmfPkgIa32X64.dsc | 4 + OvmfPkg/OvmfPkgX64.dsc | 4 + OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.inf | 51 ++ OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.c | 961 ++++++++++++++++++++++++ 5 files changed, 1024 insertions(+) create mode 100644 OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.inf create mode 100644 OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.c diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc index 3fe43571fd16..746161be5736 100644 --- a/OvmfPkg/OvmfPkgIa32.dsc +++ b/OvmfPkg/OvmfPkgIa32.dsc @@ -755,6 +755,10 @@ [Components] !if $(SECURE_BOOT_ENABLE) == TRUE SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigDxe.inf + OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.inf { + + ShellCEntryLib|ShellPkg/Library/UefiShellCEntryLib/UefiShellCEntryLib.inf + } !endif OvmfPkg/PlatformDxe/Platform.inf diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc index 3c770c9c1d37..e382e6187b15 100644 --- a/OvmfPkg/OvmfPkgIa32X64.dsc +++ b/OvmfPkg/OvmfPkgIa32X64.dsc @@ -764,6 +764,10 @@ [Components.X64] !if $(SECURE_BOOT_ENABLE) == TRUE SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigDxe.inf + OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.inf { + + ShellCEntryLib|ShellPkg/Library/UefiShellCEntryLib/UefiShellCEntryLib.inf + } !endif OvmfPkg/PlatformDxe/Platform.inf diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc index 6ac4388dc09a..5500b0cbcd8c 100644 --- a/OvmfPkg/OvmfPkgX64.dsc +++ b/OvmfPkg/OvmfPkgX64.dsc @@ -762,6 +762,10 @@ [Components] !if $(SECURE_BOOT_ENABLE) == TRUE SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigDxe.inf + OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.inf { + + ShellCEntryLib|ShellPkg/Library/UefiShellCEntryLib/UefiShellCEntryLib.inf + } !endif OvmfPkg/PlatformDxe/Platform.inf diff --git a/OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.inf b/OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.inf new file mode 100644 index 000000000000..30c127f2ecb4 --- /dev/null +++ b/OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.inf @@ -0,0 +1,51 @@ +## @file +# Enroll default PK, KEK, DB. +# +# Copyright (C) 2014, Red Hat, Inc. +# +# This program and the accompanying materials are licensed and made available +# under the terms and conditions of the BSD License which accompanies this +# distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license. +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR +# IMPLIED. +## + +[Defines] + INF_VERSION = 0x00010006 + BASE_NAME = EnrollDefaultKeys + FILE_GUID = D5C1DF0B-1BAC-4EDF-BA48-08834009CA5A + MODULE_TYPE = UEFI_APPLICATION + VERSION_STRING = 0.1 + ENTRY_POINT = ShellCEntryLib + +# +# VALID_ARCHITECTURES = IA32 X64 +# + +[Sources] + EnrollDefaultKeys.c + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + SecurityPkg/SecurityPkg.dec + ShellPkg/ShellPkg.dec + +[Guids] + gEfiCertPkcs7Guid + gEfiCertX509Guid + gEfiCustomModeEnableGuid + gEfiGlobalVariableGuid + gEfiImageSecurityDatabaseGuid + gEfiSecureBootEnableDisableGuid + +[LibraryClasses] + BaseMemoryLib + DebugLib + MemoryAllocationLib + ShellCEntryLib + UefiLib + UefiRuntimeServicesTableLib diff --git a/OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.c b/OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.c new file mode 100644 index 000000000000..3ad2ebfb376e --- /dev/null +++ b/OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.c @@ -0,0 +1,961 @@ +/** @file + Enroll default PK, KEK, DB. + + Copyright (C) 2014, Red Hat, Inc. + + This program and the accompanying materials are licensed and made available + under the terms and conditions of the BSD License which accompanies this + distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license. + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT + WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +**/ +#include // gEfiCustomModeEnableGuid +#include // EFI_SETUP_MODE_NAME +#include // EFI_IMAGE_SECURITY_DATABASE +#include // CopyGuid() +#include // ASSERT() +#include // FreePool() +#include // ShellAppMain() +#include // AsciiPrint() +#include // gRT + +// +// The example self-signed certificate below, which we'll use for both Platform +// Key, and first Key Exchange Key, has been generated with the following +// non-interactive openssl command. The passphrase is read from /dev/urandom, +// and not saved, and the private key is written to /dev/null. In other words, +// we can't sign anything else against this certificate, which is our purpose. +// +/* + openssl req \ + -passout file:<(head -c 16 /dev/urandom) \ + -x509 \ + -newkey rsa:2048 \ + -keyout /dev/null \ + -outform DER \ + -subj $( + printf /C=US + printf /ST=TestStateOrProvince + printf /L=TestLocality + printf /O=TestOrganization + printf /OU=TestOrganizationalUnit + printf /CN=TestCommonName + printf /emailAddress=test@example.com + ) \ + 2>/dev/null \ + | xxd -i +*/ +STATIC CONST UINT8 ExampleCert[] = { + 0x30, 0x82, 0x04, 0x45, 0x30, 0x82, 0x03, 0x2d, 0xa0, 0x03, 0x02, 0x01, 0x02, + 0x02, 0x09, 0x00, 0xcf, 0x9f, 0x51, 0xa3, 0x07, 0xdb, 0x54, 0xa1, 0x30, 0x0d, + 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, + 0x30, 0x81, 0xb8, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, + 0x02, 0x55, 0x53, 0x31, 0x1c, 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, + 0x13, 0x54, 0x65, 0x73, 0x74, 0x53, 0x74, 0x61, 0x74, 0x65, 0x4f, 0x72, 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0xd8, 0x33, 0x9b, 0x0d, + 0xa7, 0x77, 0xae, 0x5b, 0xaf, 0xad, 0xe6, 0x5a, 0xc9, 0xfa, 0xa4, 0xe4, 0xe5, + 0x57, 0xbb, 0x97, 0xdd, 0x92, 0x85, 0xd8, 0x03, 0x45, 0xfe, 0xd8, 0x6b, 0xb1, + 0xdb, 0x85, 0x36, 0xb9, 0xd9, 0x28, 0xbf, 0x17, 0xae, 0x11, 0xde, 0x10, 0x19, + 0x26, 0x5b, 0xc0, 0x3d, 0xc7 +}; + +// +// Second KEK: "Microsoft Corporation KEK CA 2011". +// SHA1: 31:59:0b:fd:89:c9:d7:4e:d0:87:df:ac:66:33:4b:39:31:25:4b:30 +// +// "dbx" updates in "dbxtool" are signed with a key derived from this KEK. +// +STATIC CONST UINT8 MicrosoftKEK[] = { + 0x30, 0x82, 0x05, 0xe8, 0x30, 0x82, 0x03, 0xd0, 0xa0, 0x03, 0x02, 0x01, 0x02, + 0x02, 0x0a, 0x61, 0x0a, 0xd1, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x30, + 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, + 0x00, 0x30, 0x81, 0x91, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, + 0x13, 0x02, 0x55, 0x53, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, + 0x13, 0x0a, 0x57, 0x61, 0x73, 0x68, 0x69, 0x6e, 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0x6c, 0x94, 0x0c, 0xd3, 0xcf, 0x6c, 0x22, 0x79, 0xad, + 0xb1, 0xf0, 0xbc, 0x03, 0xa2, 0x46, 0x60, 0xa9, 0xc4, 0x07, 0xc2, 0x21, 0x82, + 0xf1, 0xfd, 0xf2, 0xe8, 0x79, 0x32, 0x60, 0xbf, 0xd8, 0xac, 0xa5, 0x22, 0x14, + 0x4b, 0xca, 0xc1, 0xd8, 0x4b, 0xeb, 0x7d, 0x3f, 0x57, 0x35, 0xb2, 0xe6, 0x4f, + 0x75, 0xb4, 0xb0, 0x60, 0x03, 0x22, 0x53, 0xae, 0x91, 0x79, 0x1d, 0xd6, 0x9b, + 0x41, 0x1f, 0x15, 0x86, 0x54, 0x70, 0xb2, 0xde, 0x0d, 0x35, 0x0f, 0x7c, 0xb0, + 0x34, 0x72, 0xba, 0x97, 0x60, 0x3b, 0xf0, 0x79, 0xeb, 0xa2, 0xb2, 0x1c, 0x5d, + 0xa2, 0x16, 0xb8, 0x87, 0xc5, 0xe9, 0x1b, 0xf6, 0xb5, 0x97, 0x25, 0x6f, 0x38, + 0x9f, 0xe3, 0x91, 0xfa, 0x8a, 0x79, 0x98, 0xc3, 0x69, 0x0e, 0xb7, 0xa3, 0x1c, + 0x20, 0x05, 0x97, 0xf8, 0xca, 0x14, 0xae, 0x00, 0xd7, 0xc4, 0xf3, 0xc0, 0x14, + 0x10, 0x75, 0x6b, 0x34, 0xa0, 0x1b, 0xb5, 0x99, 0x60, 0xf3, 0x5c, 0xb0, 0xc5, + 0x57, 0x4e, 0x36, 0xd2, 0x32, 0x84, 0xbf, 0x9e +}; + +// +// First DB entry: "Microsoft Windows Production PCA 2011" +// SHA1: 58:0a:6f:4c:c4:e4:b6:69:b9:eb:dc:1b:2b:3e:08:7b:80:d0:67:8d +// +// Windows 8 and Windows Server 2012 R2 boot loaders are signed with a chain +// rooted in this certificate. +// +STATIC CONST UINT8 MicrosoftPCA[] = { + 0x30, 0x82, 0x05, 0xd7, 0x30, 0x82, 0x03, 0xbf, 0xa0, 0x03, 0x02, 0x01, 0x02, + 0x02, 0x0a, 0x61, 0x07, 0x76, 0x56, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x30, + 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, + 0x00, 0x30, 0x81, 0x88, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, + 0x13, 0x02, 0x55, 0x53, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, + 0x13, 0x0a, 0x57, 0x61, 0x73, 0x68, 0x69, 0x6e, 0x67, 0x74, 0x6f, 0x6e, 0x31, + 0x10, 0x30, 0x0e, 0x06, 0x03, 0x55, 0x04, 0x07, 0x13, 0x07, 0x52, 0x65, 0x64, + 0x6d, 0x6f, 0x6e, 0x64, 0x31, 0x1e, 0x30, 0x1c, 0x06, 0x03, 0x55, 0x04, 0x0a, + 0x13, 0x15, 0x4d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x6f, 0x66, 0x74, 0x20, 0x43, + 0x6f, 0x72, 0x70, 0x6f, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 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0x4e, 0x8e, 0xf4, 0xec, 0x7c, 0x86, + 0x73, 0x57, 0xc2, 0x52, 0x21, 0x73, 0x34, 0x5a, 0xf3, 0xa3, 0x8a, 0x56, 0xc8, + 0x04, 0xda, 0x07, 0x09, 0xed, 0xf8, 0x8b, 0xe3, 0xce, 0xf4, 0x7e, 0x8e, 0xae, + 0xf0, 0xf6, 0x0b, 0x8a, 0x08, 0xfb, 0x3f, 0xc9, 0x1d, 0x72, 0x7f, 0x53, 0xb8, + 0xeb, 0xbe, 0x63, 0xe0, 0xe3, 0x3d, 0x31, 0x65, 0xb0, 0x81, 0xe5, 0xf2, 0xac, + 0xcd, 0x16, 0xa4, 0x9f, 0x3d, 0xa8, 0xb1, 0x9b, 0xc2, 0x42, 0xd0, 0x90, 0x84, + 0x5f, 0x54, 0x1d, 0xff, 0x89, 0xea, 0xba, 0x1d, 0x47, 0x90, 0x6f, 0xb0, 0x73, + 0x4e, 0x41, 0x9f, 0x40, 0x9f, 0x5f, 0xe5, 0xa1, 0x2a, 0xb2, 0x11, 0x91, 0x73, + 0x8a, 0x21, 0x28, 0xf0, 0xce, 0xde, 0x73, 0x39, 0x5f, 0x3e, 0xab, 0x5c, 0x60, + 0xec, 0xdf, 0x03, 0x10, 0xa8, 0xd3, 0x09, 0xe9, 0xf4, 0xf6, 0x96, 0x85, 0xb6, + 0x7f, 0x51, 0x88, 0x66, 0x47, 0x19, 0x8d, 0xa2, 0xb0, 0x12, 0x3d, 0x81, 0x2a, + 0x68, 0x05, 0x77, 0xbb, 0x91, 0x4c, 0x62, 0x7b, 0xb6, 0xc1, 0x07, 0xc7, 0xba, + 0x7a, 0x87, 0x34, 0x03, 0x0e, 0x4b, 0x62, 0x7a, 0x99, 0xe9, 0xca, 0xfc, 0xce, + 0x4a, 0x37, 0xc9, 0x2d, 0xa4, 0x57, 0x7c, 0x1c, 0xfe, 0x3d, 0xdc, 0xb8, 0x0f, + 0x5a, 0xfa, 0xd6, 0xc4, 0xb3, 0x02, 0x85, 0x02, 0x3a, 0xea, 0xb3, 0xd9, 0x6e, + 0xe4, 0x69, 0x21, 0x37, 0xde, 0x81, 0xd1, 0xf6, 0x75, 0x19, 0x05, 0x67, 0xd3, + 0x93, 0x57, 0x5e, 0x29, 0x1b, 0x39, 0xc8, 0xee, 0x2d, 0xe1, 0xcd, 0xe4, 0x45, + 0x73, 0x5b, 0xd0, 0xd2, 0xce, 0x7a, 0xab, 0x16, 0x19, 0x82, 0x46, 0x58, 0xd0, + 0x5e, 0x9d, 0x81, 0xb3, 0x67, 0xaf, 0x6c, 0x35, 0xf2, 0xbc, 0xe5, 0x3f, 0x24, + 0xe2, 0x35, 0xa2, 0x0a, 0x75, 0x06, 0xf6, 0x18, 0x56, 0x99, 0xd4, 0x78, 0x2c, + 0xd1, 0x05, 0x1b, 0xeb, 0xd0, 0x88, 0x01, 0x9d, 0xaa, 0x10, 0xf1, 0x05, 0xdf, + 0xba, 0x7e, 0x2c, 0x63, 0xb7, 0x06, 0x9b, 0x23, 0x21, 0xc4, 0xf9, 0x78, 0x6c, + 0xe2, 0x58, 0x17, 0x06, 0x36, 0x2b, 0x91, 0x12, 0x03, 0xcc, 0xa4, 0xd9, 0xf2, + 0x2d, 0xba, 0xf9, 0x94, 0x9d, 0x40, 0xed, 0x18, 0x45, 0xf1, 0xce, 0x8a, 0x5c, + 0x6b, 0x3e, 0xab, 0x03, 0xd3, 0x70, 0x18, 0x2a, 0x0a, 0x6a, 0xe0, 0x5f, 0x47, + 0xd1, 0xd5, 0x63, 0x0a, 0x32, 0xf2, 0xaf, 0xd7, 0x36, 0x1f, 0x2a, 0x70, 0x5a, + 0xe5, 0x42, 0x59, 0x08, 0x71, 0x4b, 0x57, 0xba, 0x7e, 0x83, 0x81, 0xf0, 0x21, + 0x3c, 0xf4, 0x1c, 0xc1, 0xc5, 0xb9, 0x90, 0x93, 0x0e, 0x88, 0x45, 0x93, 0x86, + 0xe9, 0xb1, 0x20, 0x99, 0xbe, 0x98, 0xcb, 0xc5, 0x95, 0xa4, 0x5d, 0x62, 0xd6, + 0xa0, 0x63, 0x08, 0x20, 0xbd, 0x75, 0x10, 0x77, 0x7d, 0x3d, 0xf3, 0x45, 0xb9, + 0x9f, 0x97, 0x9f, 0xcb, 0x57, 0x80, 0x6f, 0x33, 0xa9, 0x04, 0xcf, 0x77, 0xa4, + 0x62, 0x1c, 0x59, 0x7e +}; + +// +// Second DB entry: "Microsoft Corporation UEFI CA 2011" +// SHA1: 46:de:f6:3b:5c:e6:1c:f8:ba:0d:e2:e6:63:9c:10:19:d0:ed:14:f3 +// +// To verify the "shim" binary and PCI expansion ROMs with. +// +STATIC CONST UINT8 MicrosoftUefiCA[] = { + 0x30, 0x82, 0x06, 0x10, 0x30, 0x82, 0x03, 0xf8, 0xa0, 0x03, 0x02, 0x01, 0x02, + 0x02, 0x0a, 0x61, 0x08, 0xd3, 0xc4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x30, + 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, + 0x00, 0x30, 0x81, 0x91, 0x31, 0x0b, 0x30, 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0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30, + 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xa5, 0x08, 0x6c, 0x4c, 0xc7, + 0x45, 0x09, 0x6a, 0x4b, 0x0c, 0xa4, 0xc0, 0x87, 0x7f, 0x06, 0x75, 0x0c, 0x43, + 0x01, 0x54, 0x64, 0xe0, 0x16, 0x7f, 0x07, 0xed, 0x92, 0x7d, 0x0b, 0xb2, 0x73, + 0xbf, 0x0c, 0x0a, 0xc6, 0x4a, 0x45, 0x61, 0xa0, 0xc5, 0x16, 0x2d, 0x96, 0xd3, + 0xf5, 0x2b, 0xa0, 0xfb, 0x4d, 0x49, 0x9b, 0x41, 0x80, 0x90, 0x3c, 0xb9, 0x54, + 0xfd, 0xe6, 0xbc, 0xd1, 0x9d, 0xc4, 0xa4, 0x18, 0x8a, 0x7f, 0x41, 0x8a, 0x5c, + 0x59, 0x83, 0x68, 0x32, 0xbb, 0x8c, 0x47, 0xc9, 0xee, 0x71, 0xbc, 0x21, 0x4f, + 0x9a, 0x8a, 0x7c, 0xff, 0x44, 0x3f, 0x8d, 0x8f, 0x32, 0xb2, 0x26, 0x48, 0xae, + 0x75, 0xb5, 0xee, 0xc9, 0x4c, 0x1e, 0x4a, 0x19, 0x7e, 0xe4, 0x82, 0x9a, 0x1d, + 0x78, 0x77, 0x4d, 0x0c, 0xb0, 0xbd, 0xf6, 0x0f, 0xd3, 0x16, 0xd3, 0xbc, 0xfa, + 0x2b, 0xa5, 0x51, 0x38, 0x5d, 0xf5, 0xfb, 0xba, 0xdb, 0x78, 0x02, 0xdb, 0xff, + 0xec, 0x0a, 0x1b, 0x96, 0xd5, 0x83, 0xb8, 0x19, 0x13, 0xe9, 0xb6, 0xc0, 0x7b, + 0x40, 0x7b, 0xe1, 0x1f, 0x28, 0x27, 0xc9, 0xfa, 0xef, 0x56, 0x5e, 0x1c, 0xe6, + 0x7e, 0x94, 0x7e, 0xc0, 0xf0, 0x44, 0xb2, 0x79, 0x39, 0xe5, 0xda, 0xb2, 0x62, + 0x8b, 0x4d, 0xbf, 0x38, 0x70, 0xe2, 0x68, 0x24, 0x14, 0xc9, 0x33, 0xa4, 0x08, + 0x37, 0xd5, 0x58, 0x69, 0x5e, 0xd3, 0x7c, 0xed, 0xc1, 0x04, 0x53, 0x08, 0xe7, + 0x4e, 0xb0, 0x2a, 0x87, 0x63, 0x08, 0x61, 0x6f, 0x63, 0x15, 0x59, 0xea, 0xb2, + 0x2b, 0x79, 0xd7, 0x0c, 0x61, 0x67, 0x8a, 0x5b, 0xfd, 0x5e, 0xad, 0x87, 0x7f, + 0xba, 0x86, 0x67, 0x4f, 0x71, 0x58, 0x12, 0x22, 0x04, 0x22, 0x22, 0xce, 0x8b, + 0xef, 0x54, 0x71, 0x00, 0xce, 0x50, 0x35, 0x58, 0x76, 0x95, 0x08, 0xee, 0x6a, + 0xb1, 0xa2, 0x01, 0xd5, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x82, 0x01, 0x76, + 0x30, 0x82, 0x01, 0x72, 0x30, 0x12, 0x06, 0x09, 0x2b, 0x06, 0x01, 0x04, 0x01, + 0x82, 0x37, 0x15, 0x01, 0x04, 0x05, 0x02, 0x03, 0x01, 0x00, 0x01, 0x30, 0x23, + 0x06, 0x09, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x15, 0x02, 0x04, 0x16, + 0x04, 0x14, 0xf8, 0xc1, 0x6b, 0xb7, 0x7f, 0x77, 0x53, 0x4a, 0xf3, 0x25, 0x37, + 0x1d, 0x4e, 0xa1, 0x26, 0x7b, 0x0f, 0x20, 0x70, 0x80, 0x30, 0x1d, 0x06, 0x03, + 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x13, 0xad, 0xbf, 0x43, 0x09, 0xbd, + 0x82, 0x70, 0x9c, 0x8c, 0xd5, 0x4f, 0x31, 0x6e, 0xd5, 0x22, 0x98, 0x8a, 0x1b, + 0xd4, 0x30, 0x19, 0x06, 0x09, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x14, + 0x02, 0x04, 0x0c, 0x1e, 0x0a, 0x00, 0x53, 0x00, 0x75, 0x00, 0x62, 0x00, 0x43, + 0x00, 0x41, 0x30, 0x0b, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x04, 0x04, 0x03, 0x02, + 0x01, 0x86, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x01, 0x01, 0xff, 0x04, + 0x05, 0x30, 0x03, 0x01, 0x01, 0xff, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, + 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0x45, 0x66, 0x52, 0x43, 0xe1, 0x7e, 0x58, + 0x11, 0xbf, 0xd6, 0x4e, 0x9e, 0x23, 0x55, 0x08, 0x3b, 0x3a, 0x22, 0x6a, 0xa8, + 0x30, 0x5c, 0x06, 0x03, 0x55, 0x1d, 0x1f, 0x04, 0x55, 0x30, 0x53, 0x30, 0x51, + 0xa0, 0x4f, 0xa0, 0x4d, 0x86, 0x4b, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, + 0x63, 0x72, 0x6c, 0x2e, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x6f, 0x66, 0x74, + 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x70, 0x6b, 0x69, 0x2f, 0x63, 0x72, 0x6c, 0x2f, + 0x70, 0x72, 0x6f, 0x64, 0x75, 0x63, 0x74, 0x73, 0x2f, 0x4d, 0x69, 0x63, 0x43, + 0x6f, 0x72, 0x54, 0x68, 0x69, 0x50, 0x61, 0x72, 0x4d, 0x61, 0x72, 0x52, 0x6f, + 0x6f, 0x5f, 0x32, 0x30, 0x31, 0x30, 0x2d, 0x31, 0x30, 0x2d, 0x30, 0x35, 0x2e, + 0x63, 0x72, 0x6c, 0x30, 0x60, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, + 0x01, 0x01, 0x04, 0x54, 0x30, 0x52, 0x30, 0x50, 0x06, 0x08, 0x2b, 0x06, 0x01, + 0x05, 0x05, 0x07, 0x30, 0x02, 0x86, 0x44, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, + 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x6f, 0x66, + 0x74, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x70, 0x6b, 0x69, 0x2f, 0x63, 0x65, 0x72, + 0x74, 0x73, 0x2f, 0x4d, 0x69, 0x63, 0x43, 0x6f, 0x72, 0x54, 0x68, 0x69, 0x50, + 0x61, 0x72, 0x4d, 0x61, 0x72, 0x52, 0x6f, 0x6f, 0x5f, 0x32, 0x30, 0x31, 0x30, + 0x2d, 0x31, 0x30, 0x2d, 0x30, 0x35, 0x2e, 0x63, 0x72, 0x74, 0x30, 0x0d, 0x06, + 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x03, + 0x82, 0x02, 0x01, 0x00, 0x35, 0x08, 0x42, 0xff, 0x30, 0xcc, 0xce, 0xf7, 0x76, + 0x0c, 0xad, 0x10, 0x68, 0x58, 0x35, 0x29, 0x46, 0x32, 0x76, 0x27, 0x7c, 0xef, + 0x12, 0x41, 0x27, 0x42, 0x1b, 0x4a, 0xaa, 0x6d, 0x81, 0x38, 0x48, 0x59, 0x13, + 0x55, 0xf3, 0xe9, 0x58, 0x34, 0xa6, 0x16, 0x0b, 0x82, 0xaa, 0x5d, 0xad, 0x82, + 0xda, 0x80, 0x83, 0x41, 0x06, 0x8f, 0xb4, 0x1d, 0xf2, 0x03, 0xb9, 0xf3, 0x1a, + 0x5d, 0x1b, 0xf1, 0x50, 0x90, 0xf9, 0xb3, 0x55, 0x84, 0x42, 0x28, 0x1c, 0x20, + 0xbd, 0xb2, 0xae, 0x51, 0x14, 0xc5, 0xc0, 0xac, 0x97, 0x95, 0x21, 0x1c, 0x90, + 0xdb, 0x0f, 0xfc, 0x77, 0x9e, 0x95, 0x73, 0x91, 0x88, 0xca, 0xbd, 0xbd, 0x52, + 0xb9, 0x05, 0x50, 0x0d, 0xdf, 0x57, 0x9e, 0xa0, 0x61, 0xed, 0x0d, 0xe5, 0x6d, + 0x25, 0xd9, 0x40, 0x0f, 0x17, 0x40, 0xc8, 0xce, 0xa3, 0x4a, 0xc2, 0x4d, 0xaf, + 0x9a, 0x12, 0x1d, 0x08, 0x54, 0x8f, 0xbd, 0xc7, 0xbc, 0xb9, 0x2b, 0x3d, 0x49, + 0x2b, 0x1f, 0x32, 0xfc, 0x6a, 0x21, 0x69, 0x4f, 0x9b, 0xc8, 0x7e, 0x42, 0x34, + 0xfc, 0x36, 0x06, 0x17, 0x8b, 0x8f, 0x20, 0x40, 0xc0, 0xb3, 0x9a, 0x25, 0x75, + 0x27, 0xcd, 0xc9, 0x03, 0xa3, 0xf6, 0x5d, 0xd1, 0xe7, 0x36, 0x54, 0x7a, 0xb9, + 0x50, 0xb5, 0xd3, 0x12, 0xd1, 0x07, 0xbf, 0xbb, 0x74, 0xdf, 0xdc, 0x1e, 0x8f, + 0x80, 0xd5, 0xed, 0x18, 0xf4, 0x2f, 0x14, 0x16, 0x6b, 0x2f, 0xde, 0x66, 0x8c, + 0xb0, 0x23, 0xe5, 0xc7, 0x84, 0xd8, 0xed, 0xea, 0xc1, 0x33, 0x82, 0xad, 0x56, + 0x4b, 0x18, 0x2d, 0xf1, 0x68, 0x95, 0x07, 0xcd, 0xcf, 0xf0, 0x72, 0xf0, 0xae, + 0xbb, 0xdd, 0x86, 0x85, 0x98, 0x2c, 0x21, 0x4c, 0x33, 0x2b, 0xf0, 0x0f, 0x4a, + 0xf0, 0x68, 0x87, 0xb5, 0x92, 0x55, 0x32, 0x75, 0xa1, 0x6a, 0x82, 0x6a, 0x3c, + 0xa3, 0x25, 0x11, 0xa4, 0xed, 0xad, 0xd7, 0x04, 0xae, 0xcb, 0xd8, 0x40, 0x59, + 0xa0, 0x84, 0xd1, 0x95, 0x4c, 0x62, 0x91, 0x22, 0x1a, 0x74, 0x1d, 0x8c, 0x3d, + 0x47, 0x0e, 0x44, 0xa6, 0xe4, 0xb0, 0x9b, 0x34, 0x35, 0xb1, 0xfa, 0xb6, 0x53, + 0xa8, 0x2c, 0x81, 0xec, 0xa4, 0x05, 0x71, 0xc8, 0x9d, 0xb8, 0xba, 0xe8, 0x1b, + 0x44, 0x66, 0xe4, 0x47, 0x54, 0x0e, 0x8e, 0x56, 0x7f, 0xb3, 0x9f, 0x16, 0x98, + 0xb2, 0x86, 0xd0, 0x68, 0x3e, 0x90, 0x23, 0xb5, 0x2f, 0x5e, 0x8f, 0x50, 0x85, + 0x8d, 0xc6, 0x8d, 0x82, 0x5f, 0x41, 0xa1, 0xf4, 0x2e, 0x0d, 0xe0, 0x99, 0xd2, + 0x6c, 0x75, 0xe4, 0xb6, 0x69, 0xb5, 0x21, 0x86, 0xfa, 0x07, 0xd1, 0xf6, 0xe2, + 0x4d, 0xd1, 0xda, 0xad, 0x2c, 0x77, 0x53, 0x1e, 0x25, 0x32, 0x37, 0xc7, 0x6c, + 0x52, 0x72, 0x95, 0x86, 0xb0, 0xf1, 0x35, 0x61, 0x6a, 0x19, 0xf5, 0xb2, 0x3b, + 0x81, 0x50, 0x56, 0xa6, 0x32, 0x2d, 0xfe, 0xa2, 0x89, 0xf9, 0x42, 0x86, 0x27, + 0x18, 0x55, 0xa1, 0x82, 0xca, 0x5a, 0x9b, 0xf8, 0x30, 0x98, 0x54, 0x14, 0xa6, + 0x47, 0x96, 0x25, 0x2f, 0xc8, 0x26, 0xe4, 0x41, 0x94, 0x1a, 0x5c, 0x02, 0x3f, + 0xe5, 0x96, 0xe3, 0x85, 0x5b, 0x3c, 0x3e, 0x3f, 0xbb, 0x47, 0x16, 0x72, 0x55, + 0xe2, 0x25, 0x22, 0xb1, 0xd9, 0x7b, 0xe7, 0x03, 0x06, 0x2a, 0xa3, 0xf7, 0x1e, + 0x90, 0x46, 0xc3, 0x00, 0x0d, 0xd6, 0x19, 0x89, 0xe3, 0x0e, 0x35, 0x27, 0x62, + 0x03, 0x71, 0x15, 0xa6, 0xef, 0xd0, 0x27, 0xa0, 0xa0, 0x59, 0x37, 0x60, 0xf8, + 0x38, 0x94, 0xb8, 0xe0, 0x78, 0x70, 0xf8, 0xba, 0x4c, 0x86, 0x87, 0x94, 0xf6, + 0xe0, 0xae, 0x02, 0x45, 0xee, 0x65, 0xc2, 0xb6, 0xa3, 0x7e, 0x69, 0x16, 0x75, + 0x07, 0x92, 0x9b, 0xf5, 0xa6, 0xbc, 0x59, 0x83, 0x58 +}; + +// +// The most important thing about the variable payload is that it is a list of +// lists, where the element size of any given *inner* list is constant. +// +// Since X509 certificates vary in size, each of our *inner* lists will contain +// one element only (one X.509 certificate). This is explicitly mentioned in +// the UEFI specification, in "28.4.1 Signature Database", in a Note. +// +// The list structure looks as follows: +// +// struct EFI_VARIABLE_AUTHENTICATION_2 { | +// struct EFI_TIME { | +// UINT16 Year; | +// UINT8 Month; | +// UINT8 Day; | +// UINT8 Hour; | +// UINT8 Minute; | +// UINT8 Second; | +// UINT8 Pad1; | +// UINT32 Nanosecond; | +// INT16 TimeZone; | +// UINT8 Daylight; | +// UINT8 Pad2; | +// } TimeStamp; | +// | +// struct WIN_CERTIFICATE_UEFI_GUID { | | +// struct WIN_CERTIFICATE { | | +// UINT32 dwLength; ----------------------------------------+ | +// UINT16 wRevision; | | +// UINT16 wCertificateType; | | +// } Hdr; | +- DataSize +// | | +// EFI_GUID CertType; | | +// UINT8 CertData[1] = { <--- "struct hack" | | +// struct EFI_SIGNATURE_LIST { | | | +// EFI_GUID SignatureType; | | | +// UINT32 SignatureListSize; -------------------------+ | | +// UINT32 SignatureHeaderSize; | | | +// UINT32 SignatureSize; ---------------------------+ | | | +// UINT8 SignatureHeader[SignatureHeaderSize]; | | | | +// v | | | +// struct EFI_SIGNATURE_DATA { | | | | +// EFI_GUID SignatureOwner; | | | | +// UINT8 SignatureData[1] = { <--- "struct hack" | | | | +// X.509 payload | | | | +// } | | | | +// } Signatures[]; | | | +// } SigLists[]; | | +// }; | | +// } AuthInfo; | | +// }; | +// +// Given that the "struct hack" invokes undefined behavior (which is why C99 +// introduced the flexible array member), and because subtracting those pesky +// sizes of 1 is annoying, and because the format is fully specified in the +// UEFI specification, we'll introduce two matching convenience structures that +// are customized for our X.509 purposes. +// +#pragma pack(1) +typedef struct { + EFI_TIME TimeStamp; + + // + // dwLength covers data below + // + UINT32 dwLength; + UINT16 wRevision; + UINT16 wCertificateType; + EFI_GUID CertType; +} SINGLE_HEADER; + +typedef struct { + // + // SignatureListSize covers data below + // + EFI_GUID SignatureType; + UINT32 SignatureListSize; + UINT32 SignatureHeaderSize; // constant 0 + UINT32 SignatureSize; + + // + // SignatureSize covers data below + // + EFI_GUID SignatureOwner; + + // + // X.509 certificate follows + // +} REPEATING_HEADER; +#pragma pack() + +/** + Enroll a set of DER-formatted X.509 certificates in a global variable, + overwriting it. + + The variable will be rewritten with NV+BS+RT+AT attributes. + + @param[in] VariableName The name of the variable to overwrite. + + @param[in] VendorGuid The namespace (ie. vendor GUID) of the variable to + overwrite. + + @param[in] ... A list of + + IN CONST UINT8 *Cert, + IN UINTN CertSize, + IN CONST EFI_GUID *OwnerGuid + + triplets. If the first component of a triplet is + NULL, then the other two components are not + accessed, and processing is terminated. The list of + X.509 certificates is enrolled in the variable + specified, overwriting it. The OwnerGuid component + identifies the agent installing the certificate. + + @retval EFI_INVALID_PARAMETER The triplet list is empty (ie. the first Cert + value is NULL), or one of the CertSize values + is 0, or one of the CertSize values would + overflow the accumulated UINT32 data size. + + @retval EFI_OUT_OF_RESOURCES Out of memory while formatting variable + payload. + + @retval EFI_SUCCESS Enrollment successful; the variable has been + overwritten (or created). + + @return Error codes from gRT->GetTime() and + gRT->SetVariable(). +**/ +STATIC +EFI_STATUS +EFIAPI +EnrollListOfX509Certs ( + IN CHAR16 *VariableName, + IN EFI_GUID *VendorGuid, + ... + ) +{ + UINTN DataSize; + SINGLE_HEADER *SingleHeader; + REPEATING_HEADER *RepeatingHeader; + VA_LIST Marker; + CONST UINT8 *Cert; + EFI_STATUS Status; + UINT8 *Data; + UINT8 *Position; + + // + // compute total size first, for UINT32 range check, and allocation + // + DataSize = sizeof *SingleHeader; + VA_START (Marker, VendorGuid); + for (Cert = VA_ARG (Marker, CONST UINT8 *); + Cert != NULL; + Cert = VA_ARG (Marker, CONST UINT8 *)) { + UINTN CertSize; + + CertSize = VA_ARG (Marker, UINTN); + (VOID)VA_ARG (Marker, CONST EFI_GUID *); + + if (CertSize == 0 || + CertSize > MAX_UINT32 - sizeof *RepeatingHeader || + DataSize > MAX_UINT32 - sizeof *RepeatingHeader - CertSize) { + Status = EFI_INVALID_PARAMETER; + break; + } + DataSize += sizeof *RepeatingHeader + CertSize; + } + VA_END (Marker); + + if (DataSize == sizeof *SingleHeader) { + Status = EFI_INVALID_PARAMETER; + } + if (EFI_ERROR (Status)) { + goto Out; + } + + Data = AllocatePool (DataSize); + if (Data == NULL) { + Status = EFI_OUT_OF_RESOURCES; + goto Out; + } + + Position = Data; + + SingleHeader = (SINGLE_HEADER *)Position; + Status = gRT->GetTime (&SingleHeader->TimeStamp, NULL); + if (EFI_ERROR (Status)) { + goto FreeData; + } + SingleHeader->TimeStamp.Pad1 = 0; + SingleHeader->TimeStamp.Nanosecond = 0; + SingleHeader->TimeStamp.TimeZone = 0; + SingleHeader->TimeStamp.Daylight = 0; + SingleHeader->TimeStamp.Pad2 = 0; +#if 0 + SingleHeader->dwLength = DataSize - sizeof SingleHeader->TimeStamp; +#else + // + // This looks like a bug in edk2. According to the UEFI specification, + // dwLength is "The length of the entire certificate, including the length of + // the header, in bytes". That shouldn't stop right after CertType -- it + // should include everything below it. + // + SingleHeader->dwLength = sizeof *SingleHeader + - sizeof SingleHeader->TimeStamp; +#endif + SingleHeader->wRevision = 0x0200; + SingleHeader->wCertificateType = WIN_CERT_TYPE_EFI_GUID; + CopyGuid (&SingleHeader->CertType, &gEfiCertPkcs7Guid); + Position += sizeof *SingleHeader; + + VA_START (Marker, VendorGuid); + for (Cert = VA_ARG (Marker, CONST UINT8 *); + Cert != NULL; + Cert = VA_ARG (Marker, CONST UINT8 *)) { + UINTN CertSize; + CONST EFI_GUID *OwnerGuid; + + CertSize = VA_ARG (Marker, UINTN); + OwnerGuid = VA_ARG (Marker, CONST EFI_GUID *); + + RepeatingHeader = (REPEATING_HEADER *)Position; + CopyGuid (&RepeatingHeader->SignatureType, &gEfiCertX509Guid); + RepeatingHeader->SignatureListSize = + (UINT32)(sizeof *RepeatingHeader + CertSize); + RepeatingHeader->SignatureHeaderSize = 0; + RepeatingHeader->SignatureSize = + (UINT32)(sizeof RepeatingHeader->SignatureOwner + CertSize); + CopyGuid (&RepeatingHeader->SignatureOwner, OwnerGuid); + Position += sizeof *RepeatingHeader; + + CopyMem (Position, Cert, CertSize); + Position += CertSize; + } + VA_END (Marker); + + ASSERT (Data + DataSize == Position); + + Status = gRT->SetVariable (VariableName, VendorGuid, + (EFI_VARIABLE_NON_VOLATILE | + EFI_VARIABLE_BOOTSERVICE_ACCESS | + EFI_VARIABLE_RUNTIME_ACCESS | + EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS), + DataSize, Data); + +FreeData: + FreePool (Data); + +Out: + if (EFI_ERROR (Status)) { + AsciiPrint ("error: %a(\"%s\", %g): %r\n", __FUNCTION__, VariableName, + VendorGuid, Status); + } + return Status; +} + + +STATIC +EFI_STATUS +EFIAPI +GetExact ( + IN CHAR16 *VariableName, + IN EFI_GUID *VendorGuid, + OUT VOID *Data, + IN UINTN DataSize, + IN BOOLEAN AllowMissing + ) +{ + UINTN Size; + EFI_STATUS Status; + + Size = DataSize; + Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &Size, Data); + if (EFI_ERROR (Status)) { + if (Status == EFI_NOT_FOUND && AllowMissing) { + ZeroMem (Data, DataSize); + return EFI_SUCCESS; + } + + AsciiPrint ("error: GetVariable(\"%s\", %g): %r\n", VariableName, + VendorGuid, Status); + return Status; + } + + if (Size != DataSize) { + AsciiPrint ("error: GetVariable(\"%s\", %g): expected size 0x%Lx, " + "got 0x%Lx\n", VariableName, VendorGuid, (UINT64)DataSize, (UINT64)Size); + return EFI_PROTOCOL_ERROR; + } + + return EFI_SUCCESS; +} + +typedef struct { + UINT8 SetupMode; + UINT8 SecureBoot; + UINT8 SecureBootEnable; + UINT8 CustomMode; + UINT8 VendorKeys; +} SETTINGS; + +STATIC +EFI_STATUS +EFIAPI +GetSettings ( + OUT SETTINGS *Settings + ) +{ + EFI_STATUS Status; + + Status = GetExact (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, + &Settings->SetupMode, sizeof Settings->SetupMode, FALSE); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = GetExact (EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid, + &Settings->SecureBoot, sizeof Settings->SecureBoot, FALSE); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = GetExact (EFI_SECURE_BOOT_ENABLE_NAME, + &gEfiSecureBootEnableDisableGuid, &Settings->SecureBootEnable, + sizeof Settings->SecureBootEnable, TRUE); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = GetExact (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, + &Settings->CustomMode, sizeof Settings->CustomMode, FALSE); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = GetExact (EFI_VENDOR_KEYS_VARIABLE_NAME, &gEfiGlobalVariableGuid, + &Settings->VendorKeys, sizeof Settings->VendorKeys, FALSE); + return Status; +} + +STATIC +VOID +EFIAPI +PrintSettings ( + IN CONST SETTINGS *Settings + ) +{ + AsciiPrint ("info: SetupMode=%d SecureBoot=%d SecureBootEnable=%d " + "CustomMode=%d VendorKeys=%d\n", Settings->SetupMode, Settings->SecureBoot, + Settings->SecureBootEnable, Settings->CustomMode, Settings->VendorKeys); +} + + +INTN +EFIAPI +ShellAppMain ( + IN UINTN Argc, + IN CHAR16 **Argv + ) +{ + EFI_STATUS Status; + SETTINGS Settings; + + Status = GetSettings (&Settings); + if (EFI_ERROR (Status)) { + return 1; + } + PrintSettings (&Settings); + + if (Settings.SetupMode != 1) { + AsciiPrint ("error: already in User Mode\n"); + return 1; + } + + if (Settings.CustomMode != CUSTOM_SECURE_BOOT_MODE) { + Settings.CustomMode = CUSTOM_SECURE_BOOT_MODE; + Status = gRT->SetVariable (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, + (EFI_VARIABLE_NON_VOLATILE | + EFI_VARIABLE_BOOTSERVICE_ACCESS), + sizeof Settings.CustomMode, &Settings.CustomMode); + if (EFI_ERROR (Status)) { + AsciiPrint ("error: SetVariable(\"%s\", %g): %r\n", EFI_CUSTOM_MODE_NAME, + &gEfiCustomModeEnableGuid, Status); + return 1; + } + } + + Status = EnrollListOfX509Certs ( + EFI_IMAGE_SECURITY_DATABASE, + &gEfiImageSecurityDatabaseGuid, + MicrosoftPCA, sizeof MicrosoftPCA, &gEfiCallerIdGuid, + MicrosoftUefiCA, sizeof MicrosoftUefiCA, &gEfiCallerIdGuid, + NULL); + if (EFI_ERROR (Status)) { + return 1; + } + + Status = EnrollListOfX509Certs ( + EFI_KEY_EXCHANGE_KEY_NAME, + &gEfiGlobalVariableGuid, + ExampleCert, sizeof ExampleCert, &gEfiCallerIdGuid, + MicrosoftKEK, sizeof MicrosoftKEK, &gEfiCallerIdGuid, + NULL); + if (EFI_ERROR (Status)) { + return 1; + } + + Status = EnrollListOfX509Certs ( + EFI_PLATFORM_KEY_NAME, + &gEfiGlobalVariableGuid, + ExampleCert, sizeof ExampleCert, &gEfiGlobalVariableGuid, + NULL); + if (EFI_ERROR (Status)) { + return 1; + } + + Settings.CustomMode = STANDARD_SECURE_BOOT_MODE; + Status = gRT->SetVariable (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, + EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS, + sizeof Settings.CustomMode, &Settings.CustomMode); + if (EFI_ERROR (Status)) { + AsciiPrint ("error: SetVariable(\"%s\", %g): %r\n", EFI_CUSTOM_MODE_NAME, + &gEfiCustomModeEnableGuid, Status); + return 1; + } + + Status = GetSettings (&Settings); + if (EFI_ERROR (Status)) { + return 1; + } + PrintSettings (&Settings); + + if (Settings.SetupMode != 0 || Settings.SecureBoot != 1 || + Settings.SecureBootEnable != 1 || Settings.CustomMode != 0 || + Settings.VendorKeys != 0) { + AsciiPrint ("error: unexpected\n"); + return 1; + } + + AsciiPrint ("info: success\n"); + return 0; +} -- 1.8.3.1