256 lines
8.8 KiB
C
256 lines
8.8 KiB
C
/* Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved. This
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* program and the accompanying materials are licensed and made available
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* under the terms and conditions of the 2-Clause BSD License which
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* accompanies this distribution.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is derived from the following files referred from edk2-staging[1] repo
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* of tianocore
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*
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* MdePkg/Include/Guid/GlobalVariable.h
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* MdePkg/Include/Guid/WinCertificate.h
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* MdePkg/Include/Uefi/UefiMultiPhase.h
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* MdePkg/Include/Uefi/UefiBaseType.h
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* MdePkg/Include/Guid/ImageAuthentication.h
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*
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* [1] https://github.com/tianocore/edk2-staging
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*
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* Copyright 2020 IBM Corp.
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*/
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#ifndef __EDK2_H__
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#define __EDK2_H__
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#include <compiler.h>
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#include <ccan/short_types/short_types.h>
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#define UUID_SIZE 16
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typedef struct {
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u8 b[UUID_SIZE];
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} uuid_t;
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#define EFI_GLOBAL_VARIABLE_GUID (uuid_t){{0x61, 0xDF, 0xe4, 0x8b, 0xca, 0x93, 0xd2, 0x11, 0xaa, \
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0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c}}
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#define EFI_IMAGE_SECURITY_DATABASE_GUID (uuid_t){{0xcb, 0xb2, 0x19, 0xd7, 0x3a, 0x3d, 0x96, 0x45, \
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0xa3, 0xbc, 0xda, 0xd0, 0x0e, 0x67, 0x65, 0x6f}}
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#define SECVAR_ATTRIBUTES 39
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///
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/// This identifies a signature based on an X.509 certificate. If the signature is an X.509
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/// certificate then verification of the signature of an image should validate the public
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/// key certificate in the image using certificate path verification, up to this X.509
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/// certificate as a trusted root. The SignatureHeader size shall always be 0. The
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/// SignatureSize may vary but shall always be 16 (size of the SignatureOwner component) +
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/// the size of the certificate itself.
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/// Note: This means that each certificate will normally be in a separate EFI_SIGNATURE_LIST.
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///
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static const uuid_t EFI_CERT_TYPE_PKCS7_GUID = {{0x9d, 0xd2, 0xaf, 0x4a, 0xdf, 0x68, 0xee, 0x49, 0x8a, 0xa9, 0x34, 0x7d, 0x37, 0x56, 0x65, 0xa7}};
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static const uuid_t EFI_CERT_X509_GUID = {{ 0xa1, 0x59, 0xc0, 0xa5, 0xe4, 0x94, 0xa7, 0x4a, 0x87, 0xb5, 0xab, 0x15, 0x5c, 0x2b, 0xf0, 0x72 }};
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static const uuid_t EFI_CERT_SHA1_GUID = {{ 0x12, 0xa5, 0x6c, 0x82, 0x10, 0xcf, 0xc9, 0x4a, 0xb1, 0x87, 0xbe, 0x01, 0x49, 0x66, 0x31, 0xbd }};
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static const uuid_t EFI_CERT_SHA224_GUID = {{ 0x33, 0x52, 0x6e, 0x0b, 0x5c, 0xa6, 0xc9, 0x44, 0x94, 0x07, 0xd9, 0xab, 0x83, 0xbf, 0xc8, 0xbd }};
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static const uuid_t EFI_CERT_SHA256_GUID = {{ 0x26, 0x16, 0xc4, 0xc1, 0x4c, 0x50, 0x92, 0x40, 0xac, 0xa9, 0x41, 0xf9, 0x36, 0x93, 0x43, 0x28 }};
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static const uuid_t EFI_CERT_SHA384_GUID = {{ 0x07, 0x53, 0x3e, 0xff, 0xd0, 0x9f, 0xc9, 0x48, 0x85, 0xf1, 0x8a, 0xd5, 0x6c, 0x70, 0x1e, 0x01 }};
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static const uuid_t EFI_CERT_SHA512_GUID = {{ 0xae, 0x0f, 0x3e, 0x09, 0xc4, 0xa6, 0x50, 0x4f, 0x9f, 0x1b, 0xd4, 0x1e, 0x2b, 0x89, 0xc1, 0x9a }};
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static const uuid_t EFI_CERT_RSA2048_GUID = {{ 0xe8, 0x66, 0x57, 0x3c, 0x9c, 0x26, 0x34, 0x4e, 0xaa, 0x14, 0xed, 0x77, 0x6e, 0x85, 0xb3, 0xb6 }};
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#define EFI_VARIABLE_NON_VOLATILE 0x00000001
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#define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x00000002
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#define EFI_VARIABLE_RUNTIME_ACCESS 0x00000004
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/*
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* Attributes of Authenticated Variable
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*/
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#define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x00000020
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#define EFI_VARIABLE_APPEND_WRITE 0x00000040
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/*
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* NOTE: EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS is deprecated and should be
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* considered reserved.
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*/
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#define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x00000010
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/*
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* win_certificate.w_certificate_type
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*/
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#define WIN_CERT_TYPE_PKCS_SIGNED_DATA 0x0002
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#define SECURE_BOOT_MODE_ENABLE 1
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#define SECURE_BOOT_MODE_DISABLE 0
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///
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/// Depricated value definition for SetupMode variable
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///
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#define SETUP_MODE 1
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#define USER_MODE 0
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/*
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* EFI Time Abstraction:
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* Year: 1900 - 9999
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* Month: 1 - 12
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* Day: 1 - 31
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* Hour: 0 - 23
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* Minute: 0 - 59
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* Second: 0 - 59
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* Nanosecond: 0 - 999,999,999
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* TimeZone: -1440 to 1440 or 2047
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*/
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struct efi_time {
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le16 year;
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u8 month;
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u8 day;
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u8 hour;
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u8 minute;
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u8 second;
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u8 pad1;
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le32 nanosecond;
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le16 timezone;
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u8 daylight;
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u8 pad2;
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};
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//***********************************************************************
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// Signature Database
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//***********************************************************************
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///
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/// The format of a signature database.
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///
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typedef struct __packed {
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///
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/// An identifier which identifies the agent which added the signature to the list.
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///
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uuid_t SignatureOwner;
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///
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/// The format of the signature is defined by the SignatureType.
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///
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unsigned char SignatureData[0];
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} EFI_SIGNATURE_DATA;
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typedef struct __packed {
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///
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/// Type of the signature. GUID signature types are defined in below.
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///
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uuid_t SignatureType;
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///
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/// Total size of the signature list, including this header.
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///
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leint32_t SignatureListSize;
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///
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/// Size of the signature header which precedes the array of signatures.
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///
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leint32_t SignatureHeaderSize;
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///
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/// Size of each signature.
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///
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leint32_t SignatureSize;
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///
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/// Header before the array of signatures. The format of this header is specified
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/// by the SignatureType.
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/// UINT8 SignatureHeader[SignatureHeaderSize];
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///
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/// An array of signatures. Each signature is SignatureSize bytes in length.
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/// EFI_SIGNATURE_DATA Signatures[][SignatureSize];
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///
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} EFI_SIGNATURE_LIST;
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/*
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* The win_certificate structure is part of the PE/COFF specification.
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*/
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struct win_certificate {
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/*
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* The length of the entire certificate, including the length of the
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* header, in bytes.
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*/
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le32 dw_length;
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/*
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* The revision level of the WIN_CERTIFICATE structure. The current
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* revision level is 0x0200.
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*/
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le16 w_revision;
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/*
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* The certificate type. See WIN_CERT_TYPE_xxx for the UEFI certificate
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* types. The UEFI specification reserves the range of certificate type
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* values from 0x0EF0 to 0x0EFF.
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*/
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le16 w_certificate_type;
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/*
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* The following is the actual certificate. The format of
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* the certificate depends on wCertificateType.
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*/
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/// UINT8 bCertificate[ANYSIZE_ARRAY];
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} __packed;
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/*
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* Certificate which encapsulates a GUID-specific digital signature
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*/
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struct win_certificate_uefi_guid {
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/*
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* This is the standard win_certificate header, where w_certificate_type
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* is set to WIN_CERT_TYPE_EFI_GUID.
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*/
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struct win_certificate hdr;
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/*
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* This is the unique id which determines the format of the cert_data.
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*/
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uuid_t cert_type;
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/*
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* The following is the certificate data. The format of the data is
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* determined by the @cert_type. If @cert_type is
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* EFI_CERT_TYPE_RSA2048_SHA256_GUID, the @cert_data will be
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* EFI_CERT_BLOCK_RSA_2048_SHA256 structure.
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*/
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u8 cert_data[];
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} __packed;
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/*
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* When the attribute EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS is set,
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* then the Data buffer shall begin with an instance of a complete (and
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* serialized) EFI_VARIABLE_AUTHENTICATION_2 descriptor. The descriptor shall be
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* followed by the new variable value and DataSize shall reflect the combined
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* size of the descriptor and the new variable value. The authentication
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* descriptor is not part of the variable data and is not returned by subsequent
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* calls to GetVariable().
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*/
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struct efi_variable_authentication_2 {
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/*
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* For the TimeStamp value, components Pad1, Nanosecond, TimeZone, Daylight and
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* Pad2 shall be set to 0. This means that the time shall always be expressed in GMT.
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*/
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struct efi_time timestamp;
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/*
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* Only a CertType of EFI_CERT_TYPE_PKCS7_GUID is accepted.
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*/
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struct win_certificate_uefi_guid auth_info;
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} __packed;
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#endif
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