On 02/24/16 13:05, David Woodhouse wrote: > On Tue, 2016-02-23 at 21:57 +0100, Laszlo Ersek wrote:
>> First of all, I built it for: >> - OvmfPkg/OvmfIa32.dsc >> - OvmfPkg/OvmfIa32X64.dsc >> - OvmfPkg/OvmfX64.dsc >> - ArmVirtPkg/ArmVirtQemu.dsc (AARCH64 architecture) >> >> The builds complete for the first three DSC files, but it fails for the last >> one: >> >>> .../Build/ArmVirtQemu-AARCH64/DEBUG_GCC48/AARCH64/CryptoPkg/Library/OpensslLib/OpensslLib/OUTPUT/OpensslLib.lib(poly1305.obj): >>> In function `poly1305_blocks': >>> .../CryptoPkg/Library/OpensslLib/openssl/crypto/poly1305/poly1305.c:194: >>> undefined reference to `__multi3' >>> .../CryptoPkg/Library/OpensslLib/openssl/crypto/poly1305/poly1305.c:195: >>> undefined reference to `__multi3' >>> .../CryptoPkg/Library/OpensslLib/openssl/crypto/poly1305/poly1305.c:196: >>> undefined reference to `__multi3' >>> .../CryptoPkg/Library/OpensslLib/openssl/crypto/poly1305/poly1305.c:197: >>> undefined reference to `__multi3' > > That's easily fixed by adding no-poly1305 to my process_files.sh > script. I've pushed a new version to my edk2.git tree with that change. Yes, with your master branch @ 55eb3465c077, the ArmVirtQemu build completes as well. Thanks. (By the way, do you think that your series should revert, or at least customize, the following commit: commit ffbb1b25402c38d25cbbfb059139e76900bdc843 Author: Ard Biesheuvel <[email protected]> Date: Tue Jun 16 15:09:19 2015 +0000 CryptoPkg: add .gitignore for OpenSSL source files ) >> Anyway, for runtime testing, I used the OvmfIa32X64 build: >> >>> (1a) Enroll keys, and confirm SB being active in the Fedora guest, >>> using my current build. >>> (1b) Rebuild the firmware binary with your patches & instructions. Do >>> not touch the VM's varstore. >>> (1c) Confirm SB is still active in the Fedora guest. >> >> This step failed, with the OVMF debug output ending with: >> >>> Booting Fedora >>> FSOpen: Open '\EFI\fedora\shim.efi' Success >>> >>> ASSERT_EFI_ERROR (Status = Invalid Parameter) >>> ASSERT >>> .../MdePkg/Library/UefiMemoryAllocationLib/MemoryAllocationLib.c(819): >>> !EFI_ERROR (Status) >> >> I didn't continue testing after this point. > > OK, thanks very much for testing this. > > It sounds like there's a new issue in OpenSSL HEAD that needs fixing, > and I'm going to need to reproduce that myself to see what's going on. > > Would you mind talking me through the setup above, please? To enroll > keys, I assume I need to start with a version of qemu that can support > running OVMF from a writeable flash chip, so it can store NV vars? > > Also, if you could test just the antepenultimate commit a35e4359d in > what I've just pushed — which is all the build system improvements but > still using OpenSSL 1.0.2f — that would also be very much appreciated. Interestingly, the failure reproduces even when I build OVMF at your commit a35e4359d; with identical symptoms. Please find the repro steps below. (Sorry that it took so long to write them up, but generally I use libvirt, and I had to create these instructions on the spot, and I also tested them.) (01) Set up the edk2 tree for building with OpenSSL, using the current upstream (master @ b38ec3cd2fcc11435d7fe4d90298c68368a5747b) instructions. That is, not your series. (02) On a branch forked off the above state, please apply the attached patch, with git am --keep-cr (This patch is downstream only, but it is not "secret", it is publicly available in <https://www.kraxel.org/repos/> for example.) (03) On the same branch, please edit the "OvmfPkg/OvmfPkgX64.dsc" file: locate "gEfiMdePkgTokenSpaceGuid.PcdDebugPrintErrorLevel", and replace its value with 0x8040004F. This will enable EFI_D_VERBOSE debug messages in the OVMF debug log. It's simplest to commit this change too, as a separate patch. (04) Build OVMF as follows (assuming you have gcc-4.8): source edksetup.sh make -C "$EDK_TOOLS_PATH" build \ -a X64 \ -p OvmfPkg/OvmfPkgX64.dsc \ -b DEBUG \ -t GCC48 \ -n $(getconf _NPROCESSORS_ONLN) \ --report-file=/tmp/build.ovmf.report \ --log=/tmp/build.ovmf.log \ -D SECURE_BOOT_ENABLE \ -D HTTP_BOOT_ENABLE (05) Once the build completes, create a directory for testing, and stash the build output files there. We'll mark the OVMF binary as "upstream", in the file name. TESTDIR=$HOME/ovmf-test mkdir -p -v -- "$TESTDIR" cp -a -v -- \ Build/OvmfX64/DEBUG_GCC*/FV/OVMF_CODE.fd \ "$TESTDIR"/OVMF_CODE.upstream.fd cp -a -v -- \ Build/OvmfX64/DEBUG_GCC*/FV/OVMF_VARS.fd \ Build/OvmfX64/DEBUG_GCC*/X64/EnrollDefaultKeys.efi \ "$TESTDIR" (06) In the test directory, download the Fedora ISO that I used for testing. Also create an empty disk image for the virtual machine, and instantiate an actual varstore file for the virtual machine, from the varstore template: cd -- "$TESTDIR" wget -- https://download.fedoraproject.org/pub/fedora/linux/releases/22/Workstation/x86_64/iso/Fedora-Live-Workstation-x86_64-22-3.iso qemu-img create \ -f qcow2 \ -o compat=1.1 \ -o preallocation=metadata \ -o lazy_refcounts=on \ fedora22.qcow2 \ 10G cp -a -v -- OVMF_VARS.fd fedora22.vars (07) Create a raw disk image with a FAT filesystem, with the EnrollDefaultKeys.efi binary on it: rm -f -- EnrollDefaultKeys.raw mkdosfs -C EnrollDefaultKeys.raw -- 3072 mcopy -i EnrollDefaultKeys.raw -- EnrollDefaultKeys.efi :: (08) Start the virtual machine for the first time. (All future invocations of QEMU will use the exact same command line, except you will have to change the value of the OVMF_BINARY variable.) During this very first boot, please interrupt the boot process, by pressing ESC when the TianoCore splash screen appears (or at the progress bar after it). You will have five seconds for this. In later invocations, you can speed up the wait by pressing Enter at the progress bar. The commands are: OVMF_BINARY=OVMF_CODE.upstream.fd qemu-system-x86_64 \ -machine accel=kvm \ -smp cpus=2 \ -m 2048 \ \ -monitor stdio \ \ -boot menu=on,splash-time=5000 \ \ -debugcon file:ovmf.debug.log \ -global isa-debugcon.iobase=0x402 \ \ -device qxl-vga \ \ -net none \ \ -usbdevice tablet \ \ -drive if=pflash,format=raw,unit=0,readonly,file=$OVMF_BINARY \ -drive if=pflash,format=raw,unit=1,file=fedora22.vars \ \ -device virtio-scsi-pci,id=scsi0 \ \ -drive id=cdrom,if=none,readonly,format=raw,file=Fedora-Live-Workstation-x86_64-22-3.iso \ -device scsi-cd,bus=scsi0.0,drive=cdrom,bootindex=1 \ \ -drive id=main_disk,if=none,format=qcow2,cache=writethrough,file=fedora22.qcow2 \ -device virtio-blk-pci,drive=main_disk,bootindex=0 \ \ -drive id=enroller_disk,if=none,readonly,format=raw,file=EnrollDefaultKeys.raw \ -device virtio-blk-pci,drive=enroller_disk (09) You should be standing in the UEFI setup utility now. Please navigate to Boot Manager | EFI Internal Shell Once the shell is running, please issue the following commands at the prompt (verify that the first command prints "info: success"): EnrollDefaultKeys reset -s (10) Start the VM again with the command in step (08). This time you should let it boot uninterrupted (or, again, just press Enter at the progress bar, to skip the wait). Fedora Live should boot. On the Welcome screen, click Try Fedora. (11) Please verify that Secure Boot is active: open a terminal, and enter dmesg | grep -i secure After this, install Fedora to the disk (Activities | Install to Hard Drive). Verify that the installed guest reboots correctly, then shut down the guest. (12) Return to your edk2 directory. Run git clean -fdx Then *rebase* the branch you created in steps (02) and (03) to your own SSL branch. Set up the tree as necessary (according to your new instructions) for building OpenSSL. Rebuild the tree as written in step (04). (13) Save the new OVMF binary under a different name: cp -a -v -- \ Build/OvmfX64/DEBUG_GCC*/FV/OVMF_CODE.fd \ "$TESTDIR"/OVMF_CODE.dwmw2.fd (14) Boot your guest with the new firmware binary: cd -- "$TESTDIR" OVMF_BINARY=OVMF_CODE.dwmw2.fd Then repeat the rest of step (08). (15) The boot process will hang at some point, and the assertion failure can be seen in the file "ovmf.debug.log". The expected result would be a successful boot, and dmesg | grep -i secure in the guest should again confirm secure boot. (16) For debugging purposes, you can use DEBUG() calls; they will show up in "ovmf.debug.log". Thanks Laszlo
From bb911da8f3e1ac3a89ae23e667a6bfb8dcc80dae Mon Sep 17 00:00:00 2001 From: Laszlo Ersek <[email protected]> Date: Mon, 6 Jul 2015 20:22:02 +0200 Subject: [PATCH] OvmfPkg: EnrollDefaultKeys: application for enrolling default keys (A port of the <https://bugzilla.redhat.com/show_bug.cgi?id=1148296> patch to Gerd's public RPMs.) 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 <[email protected]> --- OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.c | 961 ++++++++++++++++++++++++ OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.inf | 51 ++ OvmfPkg/OvmfPkgIa32.dsc | 4 + OvmfPkg/OvmfPkgIa32X64.dsc | 4 + OvmfPkg/OvmfPkgX64.dsc | 4 + 5 files changed, 1024 insertions(+) create mode 100644 OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.c create mode 100644 OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.inf diff --git a/OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.c b/OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.c new file mode 100644 index 000000000000..0c434ace791b --- /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 <Guid/AuthenticatedVariableFormat.h> // gEfiCustomModeEnableGuid +#include <Guid/GlobalVariable.h> // EFI_SETUP_MODE_NAME +#include <Guid/ImageAuthentication.h> // EFI_IMAGE_SECURITY_DATABASE +#include <Library/BaseMemoryLib.h> // CopyGuid() +#include <Library/DebugLib.h> // ASSERT() +#include <Library/MemoryAllocationLib.h> // FreePool() +#include <Library/ShellCEntryLib.h> // ShellAppMain() +#include <Library/UefiLib.h> // AsciiPrint() +#include <Library/UefiRuntimeServicesTableLib.h> // 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 /[email protected] + ) \ + 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, 0x50, + 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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, 0x67, 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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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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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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, 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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; + CONST EFI_GUID *OwnerGuid; + + CertSize = VA_ARG (Marker, UINTN); + OwnerGuid = 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 = sizeof *RepeatingHeader + CertSize; + RepeatingHeader->SignatureHeaderSize = 0; + RepeatingHeader->SignatureSize = + 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; +} 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/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc index 4ce5570a8fd2..3de5a25b1b73 100644 --- a/OvmfPkg/OvmfPkgIa32.dsc +++ b/OvmfPkg/OvmfPkgIa32.dsc @@ -695,6 +695,10 @@ [Components] !if $(SECURE_BOOT_ENABLE) == TRUE SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigDxe.inf + OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.inf { + <LibraryClasses> + ShellCEntryLib|ShellPkg/Library/UefiShellCEntryLib/UefiShellCEntryLib.inf + } !endif OvmfPkg/PlatformDxe/Platform.inf diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc index e26d0d1a822f..feeb26964ac8 100644 --- a/OvmfPkg/OvmfPkgIa32X64.dsc +++ b/OvmfPkg/OvmfPkgIa32X64.dsc @@ -702,6 +702,10 @@ [Components.X64] !if $(SECURE_BOOT_ENABLE) == TRUE SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigDxe.inf + OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.inf { + <LibraryClasses> + ShellCEntryLib|ShellPkg/Library/UefiShellCEntryLib/UefiShellCEntryLib.inf + } !endif OvmfPkg/PlatformDxe/Platform.inf diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc index 13f3b4a43649..fb5fe956a972 100644 --- a/OvmfPkg/OvmfPkgX64.dsc +++ b/OvmfPkg/OvmfPkgX64.dsc @@ -700,6 +700,10 @@ [Components] !if $(SECURE_BOOT_ENABLE) == TRUE SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigDxe.inf + OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.inf { + <LibraryClasses> + ShellCEntryLib|ShellPkg/Library/UefiShellCEntryLib/UefiShellCEntryLib.inf + } !endif OvmfPkg/PlatformDxe/Platform.inf -- 1.8.3.1
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