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alder_lake_bios/Insyde/InsydeModulePkg/Library/DxeImageVerificationLib/Measurement.c

516 lines
21 KiB
C
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/** @file
;******************************************************************************
;* Copyright (c) 2015 - 2020, Insyde Software Corp. All Rights Reserved.
;*
;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
;* transmit, broadcast, present, recite, release, license or otherwise exploit
;* any part of this publication in any form, by any means, without the prior
;* written permission of Insyde Software Corporation.
;*
;******************************************************************************
*/
/** @file
Measure TrEE required variable.
Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <PiDxe.h>
#include <Guid/ImageAuthentication.h>
#include <IndustryStandard/UefiTcgPlatform.h>
#include <Protocol/TrEEProtocol.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseLib.h>
#include <Library/TpmMeasurementLib.h>
typedef struct {
CHAR16 *VariableName;
EFI_GUID *VendorGuid;
} VARIABLE_TYPE;
typedef struct {
CHAR16 *VariableName;
EFI_GUID *VendorGuid;
VOID *Data;
UINTN Size;
} VARIABLE_RECORD;
#define MEASURED_AUTHORITY_COUNT_MAX 0x100
UINTN mMeasuredAuthorityCount = 0;
UINTN mMeasuredAuthorityCountMax = 0;
VARIABLE_RECORD *mMeasuredAuthorityList = NULL;
VARIABLE_TYPE mVariableType[] = {
{EFI_IMAGE_SECURITY_DATABASE, &gEfiImageSecurityDatabaseGuid},
};
//[-Start-211118-SHAONN0019-Modify]//
#if defined(S370_SUPPORT) || defined(C770_SUPPORT)
//
// Exception Cert
//
STATIC UINT8 mMSFTproductionUEFIsigningCA[] = {
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, 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, 0x31, 0x3B, 0x30, 0x39, 0x06,
0x03, 0x55, 0x04, 0x03, 0x13, 0x32, 0x4D, 0x69, 0x63, 0x72, 0x6F, 0x73,
0x6F, 0x66, 0x74, 0x20, 0x43, 0x6F, 0x72, 0x70, 0x6F, 0x72, 0x61, 0x74,
0x69, 0x6F, 0x6E, 0x20, 0x54, 0x68, 0x69, 0x72, 0x64, 0x20, 0x50, 0x61,
0x72, 0x74, 0x79, 0x20, 0x4D, 0x61, 0x72, 0x6B, 0x65, 0x74, 0x70, 0x6C,
0x61, 0x63, 0x65, 0x20, 0x52, 0x6F, 0x6F, 0x74, 0x30, 0x1E, 0x17, 0x0D,
0x31, 0x31, 0x30, 0x36, 0x32, 0x37, 0x32, 0x31, 0x32, 0x32, 0x34, 0x35,
0x5A, 0x17, 0x0D, 0x32, 0x36, 0x30, 0x36, 0x32, 0x37, 0x32, 0x31, 0x33,
0x32, 0x34, 0x35, 0x5A, 0x30, 0x81, 0x81, 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, 0x31, 0x2B, 0x30, 0x29, 0x06,
0x03, 0x55, 0x04, 0x03, 0x13, 0x22, 0x4D, 0x69, 0x63, 0x72, 0x6F, 0x73,
0x6F, 0x66, 0x74, 0x20, 0x43, 0x6F, 0x72, 0x70, 0x6F, 0x72, 0x61, 0x74,
0x69, 0x6F, 0x6E, 0x20, 0x55, 0x45, 0x46, 0x49, 0x20, 0x43, 0x41, 0x20,
0x32, 0x30, 0x31, 0x31, 0x30, 0x82, 0x01, 0x22, 0x30, 0x0D, 0x06, 0x09,
0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01, 0x05, 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
};
#endif
//[-End-211118-SHAONN0019-Modify]//
/**
This function will check if VarName should be recorded and return the address of VarName if it is needed.
@param[in] VarName A Null-terminated string that is the name of the vendor's variable.
@return the address of VarName.
**/
CHAR16 *
AssignVarName (
IN CHAR16 *VarName
)
{
UINTN Index;
for (Index = 0; Index < sizeof(mVariableType)/sizeof(mVariableType[0]); Index++) {
if (StrCmp (VarName, mVariableType[Index].VariableName) == 0) {
return mVariableType[Index].VariableName;
}
}
return NULL;
}
/**
This function will check if VendorGuid should be recorded and return the address of VendorGuid if it is needed.
@param[in] VendorGuid A unique identifier for the vendor.
@return the address of VendorGuid.
**/
EFI_GUID *
AssignVendorGuid (
IN EFI_GUID *VendorGuid
)
{
UINTN Index;
for (Index = 0; Index < sizeof(mVariableType)/sizeof(mVariableType[0]); Index++) {
if (CompareGuid (VendorGuid, mVariableType[Index].VendorGuid)) {
return mVariableType[Index].VendorGuid;
}
}
return NULL;
}
/**
This function will add variable information to MeasuredAuthorityList.
@param[in] VarName A Null-terminated string that is the name of the vendor's variable.
@param[in] VendorGuid A unique identifier for the vendor.
@param[in] VarData The content of the variable data.
@param[in] VarSize The size of the variable data.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_OUT_OF_RESOURCES Out of memory.
**/
EFI_STATUS
AddDataMeasured (
IN CHAR16 *VarName,
IN EFI_GUID *VendorGuid,
IN VOID *Data,
IN UINTN Size
)
{
VARIABLE_RECORD *NewMeasuredAuthorityList;
ASSERT (mMeasuredAuthorityCount <= mMeasuredAuthorityCountMax);
if (mMeasuredAuthorityCount == mMeasuredAuthorityCountMax) {
//
// Need enlarge
//
NewMeasuredAuthorityList = AllocateZeroPool (sizeof(VARIABLE_RECORD) * (mMeasuredAuthorityCountMax + MEASURED_AUTHORITY_COUNT_MAX));
if (NewMeasuredAuthorityList == NULL) {
return EFI_OUT_OF_RESOURCES;
}
if (mMeasuredAuthorityList != NULL) {
CopyMem (NewMeasuredAuthorityList, mMeasuredAuthorityList, sizeof(VARIABLE_RECORD) * mMeasuredAuthorityCount);
FreePool (mMeasuredAuthorityList);
}
mMeasuredAuthorityList = NewMeasuredAuthorityList;
mMeasuredAuthorityCountMax += MEASURED_AUTHORITY_COUNT_MAX;
}
//
// Add new entry
//
mMeasuredAuthorityList[mMeasuredAuthorityCount].VariableName = AssignVarName (VarName);
mMeasuredAuthorityList[mMeasuredAuthorityCount].VendorGuid = AssignVendorGuid (VendorGuid);
mMeasuredAuthorityList[mMeasuredAuthorityCount].Size = Size;
mMeasuredAuthorityList[mMeasuredAuthorityCount].Data = AllocatePool (Size);
if (mMeasuredAuthorityList[mMeasuredAuthorityCount].Data == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CopyMem (mMeasuredAuthorityList[mMeasuredAuthorityCount].Data, Data, Size);
mMeasuredAuthorityCount++;
return EFI_SUCCESS;
}
//[-Start-211118-SHAONN0019-Modify]//
#if defined(S370_SUPPORT) || defined(C770_SUPPORT)
/**
This function will return if this variable is an exception.
@param[in] VarName A Null-terminated string that is the name of the vendor's variable.
@param[in] VendorGuid A unique identifier for the vendor.
@param[in] VarData The content of the variable data.
@param[in] VarSize The size of the variable data.
@retval TRUE The data is an exception
@retval FALSE The data is not an exception
**/
STATIC
BOOLEAN
IsDataException (
IN CHAR16 *VarName,
IN EFI_GUID *VendorGuid,
IN VOID *Data,
IN UINTN Size
)
{
UINTN CertDataSize;
EFI_SIGNATURE_DATA *Cert;
//
// db_MSFTproductionUEFIsigningCA
//
Cert = (EFI_SIGNATURE_DATA *)Data;
CertDataSize = Size - sizeof (Cert->SignatureOwner);
if (CertDataSize == sizeof (mMSFTproductionUEFIsigningCA)) {
if (CompareMem (Cert->SignatureData, &mMSFTproductionUEFIsigningCA, CertDataSize) == 0) {
return TRUE;
}
}
return FALSE;
}
#endif
//[-End-211118-SHAONN0019-Modify]//
/**
This function will return if this variable is already measured.
@param[in] VarName A Null-terminated string that is the name of the vendor's variable.
@param[in] VendorGuid A unique identifier for the vendor.
@param[in] VarData The content of the variable data.
@param[in] VarSize The size of the variable data.
@retval TRUE The data is already measured.
@retval FALSE The data is not measured yet.
**/
BOOLEAN
IsDataMeasured (
IN CHAR16 *VarName,
IN EFI_GUID *VendorGuid,
IN VOID *Data,
IN UINTN Size
)
{
UINTN Index;
for (Index = 0; Index < mMeasuredAuthorityCount; Index++) {
if ((StrCmp (VarName, mMeasuredAuthorityList[Index].VariableName) == 0) &&
(CompareGuid (VendorGuid, mMeasuredAuthorityList[Index].VendorGuid)) &&
(CompareMem (Data, mMeasuredAuthorityList[Index].Data, Size) == 0) &&
(Size == mMeasuredAuthorityList[Index].Size)) {
return TRUE;
}
}
return FALSE;
}
/**
This function will return if this variable is SecureAuthority Variable.
@param[in] VariableName A Null-terminated string that is the name of the vendor's variable.
@param[in] VendorGuid A unique identifier for the vendor.
@retval TRUE This is SecureAuthority Variable
@retval FALSE This is not SecureAuthority Variable
**/
BOOLEAN
IsSecureAuthorityVariable (
IN CHAR16 *VariableName,
IN EFI_GUID *VendorGuid
)
{
UINTN Index;
for (Index = 0; Index < sizeof(mVariableType)/sizeof(mVariableType[0]); Index++) {
if ((StrCmp (VariableName, mVariableType[Index].VariableName) == 0) &&
(CompareGuid (VendorGuid, mVariableType[Index].VendorGuid))) {
return TRUE;
}
}
return FALSE;
}
/**
Measure and log an EFI variable, and extend the measurement result into a specific PCR.
@param[in] VarName A Null-terminated string that is the name of the vendor's variable.
@param[in] VendorGuid A unique identifier for the vendor.
@param[in] VarData The content of the variable data.
@param[in] VarSize The size of the variable data.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_OUT_OF_RESOURCES Out of memory.
@retval EFI_DEVICE_ERROR The operation was unsuccessful.
**/
EFI_STATUS
EFIAPI
MeasureVariable (
IN CHAR16 *VarName,
IN EFI_GUID *VendorGuid,
IN VOID *VarData,
IN UINTN VarSize
)
{
EFI_STATUS Status;
UINTN VarNameLength;
EFI_VARIABLE_DATA_TREE *VarLog;
UINT32 VarLogSize;
//
// The EFI_VARIABLE_DATA_TREE.VariableData value shall be the EFI_SIGNATURE_DATA value
// from the EFI_SIGNATURE_LIST that contained the authority that was used to validate the image
//
VarNameLength = StrLen (VarName);
VarLogSize = (UINT32)(sizeof (*VarLog) + VarNameLength * sizeof (*VarName) + VarSize
- sizeof (VarLog->UnicodeName) - sizeof (VarLog->VariableData));
VarLog = (EFI_VARIABLE_DATA_TREE *) AllocateZeroPool (VarLogSize);
if (VarLog == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CopyMem (&VarLog->VariableName, VendorGuid, sizeof(VarLog->VariableName));
VarLog->UnicodeNameLength = VarNameLength;
VarLog->VariableDataLength = VarSize;
CopyMem (
VarLog->UnicodeName,
VarName,
VarNameLength * sizeof (*VarName)
);
CopyMem (
(CHAR16 *)VarLog->UnicodeName + VarNameLength,
VarData,
VarSize
);
DEBUG ((EFI_D_INFO, "DxeImageVerification: MeasureVariable (Pcr - %x, EventType - %x, ", (UINTN)7, (UINTN)EV_EFI_VARIABLE_AUTHORITY));
DEBUG ((EFI_D_INFO, "VariableName - %s, VendorGuid - %g)\n", VarName, VendorGuid));
Status = TpmMeasureAndLogData (
7,
EV_EFI_VARIABLE_AUTHORITY,
VarLog,
VarLogSize,
VarLog,
VarLogSize
);
FreePool (VarLog);
return Status;
}
/**
SecureBoot Hook for processing image verification.
@param[in] VariableName Name of Variable to be found.
@param[in] VendorGuid Variable vendor GUID.
@param[in] DataSize Size of Data found. If size is less than the
data, this value contains the required size.
@param[in] Data Data pointer.
**/
VOID
EFIAPI
SecureBootHook (
IN CHAR16 *VariableName,
IN EFI_GUID *VendorGuid,
IN UINTN DataSize,
IN VOID *Data
)
{
EFI_STATUS Status;
if (!IsSecureAuthorityVariable (VariableName, VendorGuid)) {
return ;
}
//[-Start-211118-SHAONN0019-Modify]//
#if defined(S370_SUPPORT) || defined(C770_SUPPORT)
if (IsDataException (VariableName, VendorGuid, Data, DataSize)) {
DEBUG ((EFI_D_ERROR, "MeasureSecureAuthorityVariable - IsDataException\n"));
return ;
}
#endif
//[-End-211118-SHAONN0019-Modify]//
if (IsDataMeasured (VariableName, VendorGuid, Data, DataSize)) {
DEBUG ((EFI_D_ERROR, "MeasureSecureAuthorityVariable - IsDataMeasured\n"));
return ;
}
Status = MeasureVariable (
VariableName,
VendorGuid,
Data,
DataSize
);
DEBUG ((EFI_D_INFO, "MeasureBootPolicyVariable - %r\n", Status));
if (!EFI_ERROR (Status)) {
AddDataMeasured (VariableName, VendorGuid, Data, DataSize);
}
return ;
}
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