Apple EFI/FFS Extractor

yod-AppleEfiFfsExtractor.php

#!/usr/bin/php
<?php

/*
---
Apple EFI/FFS Extractor
---
  - chmod+x.script.
  - Place FirmwareFile ($FF) & UEFIExtract into same directory as script.
  - UEFIExtract: https://github.com/LongSoft/UEFITool/releases
---
@cecekpawon  Tue Mar 12 08:53:12 2018
---
*/

$FF = "MBP143.fd";
$UEFIExtract = "UEFIExtract";

$aUEFIExtract = array (
                    array ("2ECED69B-2793-4388-BA3C-823040EBCCD2", "EfiOSInfo"),
                    array ("35628CFC-3CFF-444F-99C1-D5F06A069914", "EfiDevicePathPropertyDatabase"),
                    array ("43B93232-AFBE-11D4-BD0F-0080C73C8881", "EdkPartition"),
                    array ("44883EC1-C77C-1749-B73D-30C7B468B556", "ExFatDxe"),
                    array ("7064F130-846E-4CE2-83C1-4BBCBCBF1AE5", "AppleBootPolicy"),
                    array ("961578FE-B6B7-44C3-AF35-6BC705CD2B1F", "Fat"),
                    array ("AE4C11C8-1D6C-F24E-A183-E1CA36D1A8A9", "HfsPlus"),
                    array ("BC468182-0C0B-D645-A8AC-FB5D81076AE8", "UserInterfaceThemeDriver"),
                    array ("CD3BAFB6-50FB-4FE8-8E4E-AB74D2C1A600", "EnglishDxe"),
                    array ("CFFB32F4-C2A8-48BB-A0EB-6C3CCA3FE847", "ApfsJumpStart")
                  );

$cdir = __DIR__;

function rsearch ($folder, $pattern) {
  $iti = new RecursiveDirectoryIterator ($folder);
  foreach (new RecursiveIteratorIterator ($iti) as $file) {
    if (strpos ($file, $pattern) !== false) {
      return $file->__toString ();
    }
  }
  return false;
}

chdir ("$cdir");

if (!file_exists ("$FF")) {
  echo "! $FF not exists!\n";
  exit;
}

if (file_exists ("$cdir/$UEFIExtract")) {
  passthru ("cd \"$cdir\";");
  $count = count ($aUEFIExtract);
  for ($i=0; $i < $count; $i++) {
    $guid = $aUEFIExtract[$i][0];
    $name = $aUEFIExtract[$i][1];
    passthru ("\"$cdir\"/$UEFIExtract $FF $guid > /dev/null;");
    print ("Get $name ($guid)\n");
    $dump = "$cdir/$FF.dump";
    if (file_exists ("$dump")) {
      $ffs = $efi = FALSE;
      $filepath = rsearch ($dump, "body.bin");
      if (file_exists ("$filepath")) {
        $f = file_get_contents ("$filepath");
        $a = unpack ("H*", $f)[1];
        if (preg_match ("#^([a-f0-9]{8})4D5A#i", $a, $c)) {
          print ("- Found $name.ffs\n");
          $ddir = dirname ($filepath);
          passthru ("cat \"$ddir/header.bin\" \"$filepath\" > \"$cdir/$name.ffs\";");
          $files = glob ("$ddir/*", GLOB_BRACE);
          foreach ($files as $key => $value) {
            if (!is_dir ($value)) continue;
            $filepath = rsearch ($value, "body.bin");
            $f = file_get_contents ("$filepath");
            $a = unpack ("H*", $f)[1];
            if (preg_match ("#^4D5A#i", $a, $c)) {
              print ("- Found $name.efi\n");
              passthru ("cp \"$filepath\" $cdir/$name.efi;");
              break;
            }
          }
        }
        passthru ("rm -rf \"$dump\";");
      } else {
        print ("! No Bin\n");
      }
    } else {
      print ("! Extracting failed\n");
    }
    print ("\n");
  }
} else {
  print ("! Download UEFIExtract (https://github.com/LongSoft/UEFITool/releases)\n");
}