mirror of
https://github.com/platomav/BIOSUtilities.git
synced 2025-05-13 14:44:46 -04:00
bdcb70c2c8
Added "Working..." indicators while running at all scripts Added dependency filename expectations when required Apple EFI File Renamer now saves the checksum in hex
63 lines
No EOL
2 KiB
Python
63 lines
No EOL
2 KiB
Python
#!/usr/bin/env python3
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"""
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Award BIOS Extract
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Award BIOS Module Extractor
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Copyright (C) 2018 Plato Mavropoulos
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http://www.onicos.com/staff/iz/formats/lzh.html
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https://ist.uwaterloo.ca/~schepers/formats/LHA.TXT
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https://sites.google.com/site/pinczakko/pinczakko-s-guide-to-award-bios-reverse-engineering
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"""
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print('Award BIOS Module Extractor v1.1\n')
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import os
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import re
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import sys
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import subprocess
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if len(sys.argv) >= 2 :
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# Drag & Drop or CLI
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awd_images = sys.argv[1:]
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else :
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# Folder path
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awd_images = []
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in_path = input('\nEnter the full folder path: ')
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print('\nWorking...')
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for root, dirs, files in os.walk(in_path):
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for name in files :
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awd_images.append(os.path.join(root, name))
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pat_lzh = re.compile(br'\x2D\x6C((\x68(([\x30-\x37])|(\x64)))|(\x7A([\x34\x73])))\x2D') # All 11 LZH Method IDs (Award probably used LH0 and LH5 only)
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# Create output folder
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extr_path = os.path.join(os.getcwd(), 'AWD_Extracted')
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if not os.path.exists(extr_path) : os.makedirs(extr_path)
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for in_file in awd_images :
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file_path = os.path.abspath(in_file)
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file_name = os.path.basename(in_file)
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file_dir = os.path.dirname(file_path)
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file_ext = os.path.splitext(file_path)[1]
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match_lzh_list = []
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with open(in_file, 'rb') as awd_img : buffer = awd_img.read()
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match_lzh_list += pat_lzh.finditer(buffer) # Detect LZH patterns
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for match_lzh in match_lzh_list :
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hdr_size = buffer[match_lzh.start() - 0x2] # From LZH Tag (0x2+)
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comp_size = int.from_bytes(buffer[match_lzh.end():match_lzh.end() + 0x4], 'little') # From LZH Header end
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mod_data = buffer[match_lzh.start() - 0x2:match_lzh.start() + hdr_size + comp_size]
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with open('mod_temp.bin', 'wb') as lzh_img : lzh_img.write(mod_data)
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try :
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decomp = subprocess.run(['7z', 'x', '-bso0', '-bse0', '-bsp0', '-o%s' % os.path.join(extr_path, file_name), 'mod_temp.bin']) # 7-Zip
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except :
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print('Error: Could not decompress LZH image at %s!' % file_name)
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print(' Make sure that "7z" executable exists!\n')
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os.remove('mod_temp.bin') # Remove temporary LZH image
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input('Done!') |