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2cac6fd25f
A callee should never free caller data for design reasons. Return the caller parameter in the future if it is ever required for any other API.
92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
/** @file
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OcAppleImageVerificationLib
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Copyright (c) 2018, savvas
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All rights reserved.
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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 APPLE_DXE_IMAGE_VERIFICATION_H
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#define APPLE_DXE_IMAGE_VERIFICATION_H
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#include <IndustryStandard/PeImage.h>
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#define APPLE_SIGNATURE_SECENTRY_SIZE 8
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typedef struct APPLE_PE_COFF_LOADER_IMAGE_CONTEXT_ {
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UINT64 ImageAddress;
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UINT64 ImageSize;
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UINT64 EntryPoint;
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UINT64 SizeOfHeaders;
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UINT16 ImageType;
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UINT16 NumberOfSections;
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UINT32 *OptHdrChecksum;
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UINT32 SizeOfOptionalHeader;
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UINT64 SumOfSectionBytes;
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EFI_IMAGE_SECTION_HEADER *FirstSection;
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EFI_IMAGE_DATA_DIRECTORY *RelocDir;
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EFI_IMAGE_DATA_DIRECTORY *SecDir;
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UINT64 NumberOfRvaAndSizes;
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UINT16 PeHdrMagic;
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EFI_IMAGE_OPTIONAL_HEADER_UNION *PeHdr;
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UINT8 PeImageHash[32];
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} APPLE_PE_COFF_LOADER_IMAGE_CONTEXT;
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//
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// Signature context
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//
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typedef struct APPLE_SIGNATURE_CONTEXT_ {
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UINT8 PublicKey[256];
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UINT8 PublicKeyHash[32];
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UINT8 Signature[256];
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} APPLE_SIGNATURE_CONTEXT;
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//
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// Function prototypes
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//
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EFI_STATUS
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BuildPeContext (
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VOID *Image,
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UINTN ImageSize,
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APPLE_PE_COFF_LOADER_IMAGE_CONTEXT *Context
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);
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VOID
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SanitizeApplePeImage (
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VOID *Image,
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UINTN *RealImageSize,
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APPLE_PE_COFF_LOADER_IMAGE_CONTEXT *Context
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);
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EFI_STATUS
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GetApplePeImageSignature (
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VOID *Image,
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UINTN ImageSize,
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APPLE_PE_COFF_LOADER_IMAGE_CONTEXT *Context,
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APPLE_SIGNATURE_CONTEXT *SignatureContext
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);
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EFI_STATUS
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GetApplePeImageSha256 (
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VOID *Image,
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APPLE_PE_COFF_LOADER_IMAGE_CONTEXT *Context
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);
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EFI_STATUS
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VerifyApplePeImageSignature (
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IN OUT VOID *PeImage,
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IN OUT UINTN *ImageSize
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);
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#endif //APPLE_DXE_IMAGE_VERIFICATION_H
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