Function sizeOfSectionHeader

ffs.cpp:166–214

}

UINT32 sizeOfSectionHeader(const EFI_COMMON_SECTION_HEADER* header)
{
    if (!header)
        return 0;

    bool extended = false;
    if (uint24ToUint32(header->Size) == EFI_SECTION2_IS_USED) {
        extended = true;
    }

    switch (header->Type)
    {
    case EFI_SECTION_GUID_DEFINED: {
        if (!extended) {
            const EFI_GUID_DEFINED_SECTION* gdsHeader = (const EFI_GUID_DEFINED_SECTION*)header;
            if (QByteArray((const char*)&gdsHeader->SectionDefinitionGuid, sizeof(EFI_GUID)) == EFI_FIRMWARE_CONTENTS_SIGNED_GUID) {
                const WIN_CERTIFICATE* certificateHeader = (const WIN_CERTIFICATE*)(gdsHeader + 1);
                return gdsHeader->DataOffset + certificateHeader->Length;
            }
            return gdsHeader->DataOffset;
        }
        else {
            const EFI_GUID_DEFINED_SECTION2* gdsHeader = (const EFI_GUID_DEFINED_SECTION2*)header;
            if (QByteArray((const char*)&gdsHeader->SectionDefinitionGuid, sizeof(EFI_GUID)) == EFI_FIRMWARE_CONTENTS_SIGNED_GUID) {
                const WIN_CERTIFICATE* certificateHeader = (const WIN_CERTIFICATE*)(gdsHeader + 1);
                return gdsHeader->DataOffset + certificateHeader->Length;
            }
            return gdsHeader->DataOffset;
        }
    }
    case EFI_SECTION_COMPRESSION:           return extended ? sizeof(EFI_COMPRESSION_SECTION2) : sizeof(EFI_COMPRESSION_SECTION);
    case EFI_SECTION_DISPOSABLE:            return extended ? sizeof(EFI_DISPOSABLE_SECTION2) : sizeof(EFI_DISPOSABLE_SECTION);
    case EFI_SECTION_PE32:                  return extended ? sizeof(EFI_PE32_SECTION2) : sizeof(EFI_PE32_SECTION);
    case EFI_SECTION_PIC:                   return extended ? sizeof(EFI_PIC_SECTION2) : sizeof(EFI_PIC_SECTION);
    case EFI_SECTION_TE:                    return extended ? sizeof(EFI_TE_SECTION2) : sizeof(EFI_TE_SECTION);
    case EFI_SECTION_DXE_DEPEX:             return extended ? sizeof(EFI_DXE_DEPEX_SECTION2) : sizeof(EFI_DXE_DEPEX_SECTION);
    case EFI_SECTION_VERSION:               return extended ? sizeof(EFI_VERSION_SECTION2) : sizeof(EFI_VERSION_SECTION);
    case EFI_SECTION_USER_INTERFACE:        return extended ? sizeof(EFI_USER_INTERFACE_SECTION2) : sizeof(EFI_USER_INTERFACE_SECTION);
    case EFI_SECTION_COMPATIBILITY16:       return extended ? sizeof(EFI_COMPATIBILITY16_SECTION2) : sizeof(EFI_COMPATIBILITY16_SECTION);
    case EFI_SECTION_FIRMWARE_VOLUME_IMAGE: return extended ? sizeof(EFI_FIRMWARE_VOLUME_IMAGE_SECTION2) : sizeof(EFI_FIRMWARE_VOLUME_IMAGE_SECTION);
    case EFI_SECTION_FREEFORM_SUBTYPE_GUID: return extended ? sizeof(EFI_FREEFORM_SUBTYPE_GUID_SECTION2) : sizeof(EFI_FREEFORM_SUBTYPE_GUID_SECTION);
    case EFI_SECTION_RAW:                   return extended ? sizeof(EFI_RAW_SECTION2) : sizeof(EFI_RAW_SECTION);
    case EFI_SECTION_PEI_DEPEX:             return extended ? sizeof(EFI_PEI_DEPEX_SECTION2) : sizeof(EFI_PEI_DEPEX_SECTION);
    case EFI_SECTION_SMM_DEPEX:             return extended ? sizeof(EFI_SMM_DEPEX_SECTION2) : sizeof(EFI_SMM_DEPEX_SECTION);
    case INSYDE_SECTION_POSTCODE:           return extended ? sizeof(POSTCODE_SECTION2) : sizeof(POSTCODE_SECTION);
    case SCT_SECTION_POSTCODE:              return extended ? sizeof(POSTCODE_SECTION2) : sizeof(POSTCODE_SECTION);
    default:                                return extended ? sizeof(EFI_COMMON_SECTION_HEADER2) : sizeof(EFI_COMMON_SECTION_HEADER);
    }
}