mirror of https://github.com/acidanthera/audk.git
614 lines
20 KiB
C
614 lines
20 KiB
C
/** @file
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The header file of HII Config Access protocol implementation of SecureBoot
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configuration module.
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Copyright (c) 2011 - 2013, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __SECUREBOOT_CONFIG_IMPL_H__
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#define __SECUREBOOT_CONFIG_IMPL_H__
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#include <Uefi.h>
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#include <Protocol/HiiConfigAccess.h>
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#include <Protocol/HiiConfigRouting.h>
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#include <Protocol/SimpleFileSystem.h>
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#include <Protocol/BlockIo.h>
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#include <Protocol/DevicePath.h>
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#include <Protocol/DebugPort.h>
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#include <Protocol/LoadFile.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <Library/UefiHiiServicesLib.h>
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#include <Library/UefiLib.h>
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#include <Library/HiiLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/PrintLib.h>
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#include <Library/PlatformSecureLib.h>
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#include <Library/BaseCryptLib.h>
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#include <Guid/MdeModuleHii.h>
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#include <Guid/AuthenticatedVariableFormat.h>
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#include <Guid/FileSystemVolumeLabelInfo.h>
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#include <Guid/ImageAuthentication.h>
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#include <Guid/FileInfo.h>
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#include "SecureBootConfigNvData.h"
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//
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// Tool generated IFR binary data and String package data
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//
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extern UINT8 SecureBootConfigBin[];
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extern UINT8 SecureBootConfigDxeStrings[];
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//
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// Shared IFR form update data
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//
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extern VOID *mStartOpCodeHandle;
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extern VOID *mEndOpCodeHandle;
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extern EFI_IFR_GUID_LABEL *mStartLabel;
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extern EFI_IFR_GUID_LABEL *mEndLabel;
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#define MAX_CHAR 480
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#define TWO_BYTE_ENCODE 0x82
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//
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// SHA-1 digest size in bytes.
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//
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#define SHA1_DIGEST_SIZE 20
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//
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// SHA-256 digest size in bytes
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//
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#define SHA256_DIGEST_SIZE 32
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//
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// Set max digest size as SHA256 Output (32 bytes) by far
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//
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#define MAX_DIGEST_SIZE SHA256_DIGEST_SIZE
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#define WIN_CERT_UEFI_RSA2048_SIZE 256
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//
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// Support hash types
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//
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#define HASHALG_SHA1 0x00000000
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#define HASHALG_SHA224 0x00000001
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#define HASHALG_SHA256 0x00000002
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#define HASHALG_SHA384 0x00000003
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#define HASHALG_SHA512 0x00000004
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#define HASHALG_MAX 0x00000005
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#define SECUREBOOT_MENU_OPTION_SIGNATURE SIGNATURE_32 ('S', 'b', 'M', 'u')
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#define SECUREBOOT_MENU_ENTRY_SIGNATURE SIGNATURE_32 ('S', 'b', 'M', 'r')
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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EFI_GUID Guid;
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UINT8 VendorDefinedData[1];
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} VENDOR_DEVICE_PATH_WITH_DATA;
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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UINT16 NetworkProtocol;
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UINT16 LoginOption;
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UINT64 Lun;
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UINT16 TargetPortalGroupTag;
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CHAR16 TargetName[1];
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} ISCSI_DEVICE_PATH_WITH_NAME;
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typedef enum _FILE_EXPLORER_DISPLAY_CONTEXT {
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FileExplorerDisplayFileSystem,
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FileExplorerDisplayDirectory,
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FileExplorerDisplayUnknown
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} FILE_EXPLORER_DISPLAY_CONTEXT;
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typedef enum _FILE_EXPLORER_STATE {
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FileExplorerStateInActive = 0,
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FileExplorerStateEnrollPkFile,
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FileExplorerStateEnrollKekFile,
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FileExplorerStateEnrollSignatureFileToDb,
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FileExplorerStateEnrollSignatureFileToDbx,
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FileExplorerStateUnknown
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} FILE_EXPLORER_STATE;
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typedef struct {
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CHAR16 *Str;
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UINTN Len;
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UINTN Maxlen;
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} POOL_PRINT;
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typedef
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VOID
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(*DEV_PATH_FUNCTION) (
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IN OUT POOL_PRINT *Str,
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IN VOID *DevPath
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);
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typedef struct {
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UINT8 Type;
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UINT8 SubType;
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DEV_PATH_FUNCTION Function;
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} DEVICE_PATH_STRING_TABLE;
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typedef struct {
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UINTN Signature;
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LIST_ENTRY Head;
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UINTN MenuNumber;
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} SECUREBOOT_MENU_OPTION;
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extern SECUREBOOT_MENU_OPTION FsOptionMenu;
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extern SECUREBOOT_MENU_OPTION DirectoryMenu;
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typedef struct {
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UINTN Signature;
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LIST_ENTRY Link;
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UINTN OptionNumber;
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UINT16 *DisplayString;
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UINT16 *HelpString;
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EFI_STRING_ID DisplayStringToken;
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EFI_STRING_ID HelpStringToken;
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VOID *FileContext;
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} SECUREBOOT_MENU_ENTRY;
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typedef struct {
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EFI_HANDLE Handle;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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EFI_FILE_HANDLE FHandle;
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UINT16 *FileName;
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EFI_FILE_SYSTEM_VOLUME_LABEL *Info;
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BOOLEAN IsRoot;
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BOOLEAN IsDir;
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BOOLEAN IsRemovableMedia;
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BOOLEAN IsLoadFile;
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BOOLEAN IsBootLegacy;
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} SECUREBOOT_FILE_CONTEXT;
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//
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// We define another format of 5th directory entry: security directory
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//
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typedef struct {
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UINT32 Offset; // Offset of certificate
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UINT32 SizeOfCert; // size of certificate appended
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} EFI_IMAGE_SECURITY_DATA_DIRECTORY;
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typedef enum{
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ImageType_IA32,
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ImageType_X64
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} IMAGE_TYPE;
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///
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/// HII specific Vendor Device Path definition.
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///
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typedef struct {
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VENDOR_DEVICE_PATH VendorDevicePath;
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EFI_DEVICE_PATH_PROTOCOL End;
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} HII_VENDOR_DEVICE_PATH;
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typedef struct {
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UINTN Signature;
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EFI_HII_CONFIG_ACCESS_PROTOCOL ConfigAccess;
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EFI_HII_HANDLE HiiHandle;
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EFI_HANDLE DriverHandle;
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FILE_EXPLORER_STATE FeCurrentState;
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FILE_EXPLORER_DISPLAY_CONTEXT FeDisplayContext;
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SECUREBOOT_MENU_ENTRY *MenuEntry;
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SECUREBOOT_FILE_CONTEXT *FileContext;
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EFI_GUID *SignatureGUID;
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} SECUREBOOT_CONFIG_PRIVATE_DATA;
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extern SECUREBOOT_CONFIG_PRIVATE_DATA mSecureBootConfigPrivateDateTemplate;
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#define SECUREBOOT_CONFIG_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('S', 'E', 'C', 'B')
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#define SECUREBOOT_CONFIG_PRIVATE_FROM_THIS(a) CR (a, SECUREBOOT_CONFIG_PRIVATE_DATA, ConfigAccess, SECUREBOOT_CONFIG_PRIVATE_DATA_SIGNATURE)
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//
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// Cryptograhpic Key Information
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//
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#pragma pack(1)
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typedef struct _CPL_KEY_INFO {
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UINT32 KeyLengthInBits; // Key Length In Bits
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UINT32 BlockSize; // Operation Block Size in Bytes
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UINT32 CipherBlockSize; // Output Cipher Block Size in Bytes
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UINT32 KeyType; // Key Type
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UINT32 CipherMode; // Cipher Mode for Symmetric Algorithm
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UINT32 Flags; // Additional Key Property Flags
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} CPL_KEY_INFO;
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#pragma pack()
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/**
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Retrieves the size, in bytes, of the context buffer required for hash operations.
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@return The size, in bytes, of the context buffer required for hash operations.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *HASH_GET_CONTEXT_SIZE)(
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VOID
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);
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/**
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Initializes user-supplied memory pointed by HashContext as hash context for
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subsequent use.
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If HashContext is NULL, then ASSERT().
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@param[in, out] HashContext Pointer to Context being initialized.
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@retval TRUE HASH context initialization succeeded.
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@retval FALSE HASH context initialization failed.
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**/
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typedef
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BOOLEAN
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(EFIAPI *HASH_INIT)(
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IN OUT VOID *HashContext
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);
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/**
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Performs digest on a data buffer of the specified length. This function can
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be called multiple times to compute the digest of long or discontinuous data streams.
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If HashContext is NULL, then ASSERT().
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@param[in, out] HashContext Pointer to the MD5 context.
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@param[in] Data Pointer to the buffer containing the data to be hashed.
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@param[in] DataLength Length of Data buffer in bytes.
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@retval TRUE HASH data digest succeeded.
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@retval FALSE Invalid HASH context. After HashFinal function has been called, the
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HASH context cannot be reused.
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**/
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typedef
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BOOLEAN
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(EFIAPI *HASH_UPDATE)(
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IN OUT VOID *HashContext,
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IN CONST VOID *Data,
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IN UINTN DataLength
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);
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/**
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Completes hash computation and retrieves the digest value into the specified
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memory. After this function has been called, the context cannot be used again.
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If HashContext is NULL, then ASSERT().
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If HashValue is NULL, then ASSERT().
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@param[in, out] HashContext Pointer to the MD5 context
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@param[out] HashValue Pointer to a buffer that receives the HASH digest
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value (16 bytes).
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@retval TRUE HASH digest computation succeeded.
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@retval FALSE HASH digest computation failed.
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**/
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typedef
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BOOLEAN
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(EFIAPI *HASH_FINAL)(
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IN OUT VOID *HashContext,
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OUT UINT8 *HashValue
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);
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//
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// Hash Algorithm Table
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//
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typedef struct {
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CHAR16 *Name; ///< Name for Hash Algorithm
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UINTN DigestLength; ///< Digest Length
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UINT8 *OidValue; ///< Hash Algorithm OID ASN.1 Value
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UINTN OidLength; ///< Length of Hash OID Value
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HASH_GET_CONTEXT_SIZE GetContextSize; ///< Pointer to Hash GetContentSize function
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HASH_INIT HashInit; ///< Pointer to Hash Init function
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HASH_UPDATE HashUpdate; ///< Pointer to Hash Update function
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HASH_FINAL HashFinal; ///< Pointer to Hash Final function
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} HASH_TABLE;
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typedef struct {
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WIN_CERTIFICATE Hdr;
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UINT8 CertData[1];
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} WIN_CERTIFICATE_EFI_PKCS;
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/**
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This function publish the SecureBoot configuration Form.
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@param[in, out] PrivateData Points to SecureBoot configuration private data.
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@retval EFI_SUCCESS HII Form is installed successfully.
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@retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.
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@retval Others Other errors as indicated.
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**/
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EFI_STATUS
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InstallSecureBootConfigForm (
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IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData
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);
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/**
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This function removes SecureBoot configuration Form.
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@param[in, out] PrivateData Points to SecureBoot configuration private data.
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**/
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VOID
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UninstallSecureBootConfigForm (
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IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData
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);
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/**
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This function allows a caller to extract the current configuration for one
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or more named elements from the target driver.
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@param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
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@param[in] Request A null-terminated Unicode string in
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<ConfigRequest> format.
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@param[out] Progress On return, points to a character in the Request
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string. Points to the string's null terminator if
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request was successful. Points to the most recent
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'&' before the first failing name/value pair (or
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the beginning of the string if the failure is in
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the first name/value pair) if the request was not
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successful.
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@param[out] Results A null-terminated Unicode string in
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<ConfigAltResp> format which has all values filled
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in for the names in the Request string. String to
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be allocated by the called function.
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@retval EFI_SUCCESS The Results is filled with the requested values.
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@retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.
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@retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.
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@retval EFI_NOT_FOUND Routing data doesn't match any storage in this
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driver.
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**/
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EFI_STATUS
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EFIAPI
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SecureBootExtractConfig (
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IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
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IN CONST EFI_STRING Request,
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OUT EFI_STRING *Progress,
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OUT EFI_STRING *Results
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);
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/**
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This function processes the results of changes in configuration.
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@param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
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@param[in] Configuration A null-terminated Unicode string in <ConfigResp>
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format.
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@param[out] Progress A pointer to a string filled in with the offset of
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the most recent '&' before the first failing
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name/value pair (or the beginning of the string if
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the failure is in the first name/value pair) or
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the terminating NULL if all was successful.
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@retval EFI_SUCCESS The Results is processed successfully.
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@retval EFI_INVALID_PARAMETER Configuration is NULL.
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@retval EFI_NOT_FOUND Routing data doesn't match any storage in this
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driver.
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**/
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EFI_STATUS
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EFIAPI
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SecureBootRouteConfig (
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IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
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IN CONST EFI_STRING Configuration,
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OUT EFI_STRING *Progress
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);
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/**
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This function processes the results of changes in configuration.
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@param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
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@param[in] Action Specifies the type of action taken by the browser.
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@param[in] QuestionId A unique value which is sent to the original
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exporting driver so that it can identify the type
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of data to expect.
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@param[in] Type The type of value for the question.
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@param[in] Value A pointer to the data being sent to the original
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exporting driver.
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@param[out] ActionRequest On return, points to the action requested by the
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callback function.
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@retval EFI_SUCCESS The callback successfully handled the action.
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@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the
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variable and its data.
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@retval EFI_DEVICE_ERROR The variable could not be saved.
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@retval EFI_UNSUPPORTED The specified Action is not supported by the
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callback.
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**/
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EFI_STATUS
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EFIAPI
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SecureBootCallback (
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IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
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IN EFI_BROWSER_ACTION Action,
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IN EFI_QUESTION_ID QuestionId,
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IN UINT8 Type,
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IN EFI_IFR_TYPE_VALUE *Value,
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OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
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);
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/**
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This function converts an input device structure to a Unicode string.
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@param[in] DevPath A pointer to the device path structure.
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@return A new allocated Unicode string that represents the device path.
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**/
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CHAR16 *
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EFIAPI
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DevicePathToStr (
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IN EFI_DEVICE_PATH_PROTOCOL *DevPath
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);
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/**
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Clean up the dynamic opcode at label and form specified by both LabelId.
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@param[in] LabelId It is both the Form ID and Label ID for opcode deletion.
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@param[in] PrivateData Module private data.
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**/
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VOID
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CleanUpPage (
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IN UINT16 LabelId,
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IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData
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);
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/**
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Update the file explorer page with the refreshed file system.
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@param[in] PrivateData Module private data.
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@param[in] KeyValue Key value to identify the type of data to expect.
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@retval TRUE Inform the caller to create a callback packet to exit file explorer.
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@retval FALSE Indicate that there is no need to exit file explorer.
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**/
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BOOLEAN
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UpdateFileExplorer (
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IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,
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IN UINT16 KeyValue
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);
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/**
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Free resources allocated in Allocate Rountine.
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@param[in, out] MenuOption Menu to be freed
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**/
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VOID
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FreeMenu (
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IN OUT SECUREBOOT_MENU_OPTION *MenuOption
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);
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/**
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Read file content into BufferPtr, the size of the allocate buffer
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is *FileSize plus AddtionAllocateSize.
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@param[in] FileHandle The file to be read.
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@param[in, out] BufferPtr Pointers to the pointer of allocated buffer.
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@param[out] FileSize Size of input file
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@param[in] AddtionAllocateSize Addtion size the buffer need to be allocated.
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In case the buffer need to contain others besides the file content.
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@retval EFI_SUCCESS The file was read into the buffer.
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@retval EFI_INVALID_PARAMETER A parameter was invalid.
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@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
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@retval others Unexpected error.
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**/
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EFI_STATUS
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ReadFileContent (
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IN EFI_FILE_HANDLE FileHandle,
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IN OUT VOID **BufferPtr,
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OUT UINTN *FileSize,
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IN UINTN AddtionAllocateSize
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);
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/**
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Close an open file handle.
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@param[in] FileHandle The file handle to close.
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**/
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VOID
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CloseFile (
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IN EFI_FILE_HANDLE FileHandle
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);
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/**
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Converts a nonnegative integer to an octet string of a specified length.
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|
|
|
@param[in] Integer Pointer to the nonnegative integer to be converted
|
|
@param[in] IntSizeInWords Length of integer buffer in words
|
|
@param[out] OctetString Converted octet string of the specified length
|
|
@param[in] OSSizeInBytes Intended length of resulting octet string in bytes
|
|
|
|
Returns:
|
|
|
|
@retval EFI_SUCCESS Data conversion successfully
|
|
@retval EFI_BUFFER_TOOL_SMALL Buffer is too small for output string
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
Int2OctStr (
|
|
IN CONST UINTN *Integer,
|
|
IN UINTN IntSizeInWords,
|
|
OUT UINT8 *OctetString,
|
|
IN UINTN OSSizeInBytes
|
|
);
|
|
|
|
|
|
/**
|
|
Convert a String to Guid Value.
|
|
|
|
@param[in] Str Specifies the String to be converted.
|
|
@param[in] StrLen Number of Unicode Characters of String (exclusive \0)
|
|
@param[out] Guid Return the result Guid value.
|
|
|
|
@retval EFI_SUCCESS The operation is finished successfully.
|
|
@retval EFI_NOT_FOUND Invalid string.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
StringToGuid (
|
|
IN CHAR16 *Str,
|
|
IN UINTN StrLen,
|
|
OUT EFI_GUID *Guid
|
|
);
|
|
|
|
|
|
/**
|
|
Worker function that prints an EFI_GUID into specified Buffer.
|
|
|
|
@param[in] Guid Pointer to GUID to print.
|
|
@param[in] Buffer Buffer to print Guid into.
|
|
@param[in] BufferSize Size of Buffer.
|
|
|
|
@retval Number of characters printed.
|
|
|
|
**/
|
|
UINTN
|
|
GuidToString (
|
|
IN EFI_GUID *Guid,
|
|
IN CHAR16 *Buffer,
|
|
IN UINTN BufferSize
|
|
);
|
|
|
|
#endif
|