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Insyde iFlash/iFdPacker Extractor v2.0_a8

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Improved PFAT, UCP, PFS, TDK format check methods

Cleanup/improvements to all utilities
This commit is contained in:
platomav 2022-07-06 17:54:17 +03:00
parent cd2704f743
commit 4749414f81
21 changed files with 603 additions and 435 deletions
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24
Portwell_EFI_Extract.py
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@ -7,7 +7,7 @@ Portwell EFI Update Extractor
Copyright (C) 2021-2022 Plato Mavropoulos
"""
TITLE = 'Portwell EFI Update Extractor v2.0_a10'
TITLE = 'Portwell EFI Update Extractor v2.0_a11'
import os
import sys
@ -16,10 +16,10 @@ import sys
sys.dont_write_bytecode = True
from common.comp_efi import efi_decompress, is_efi_compressed
from common.path_ops import safe_name, make_dirs
from common.path_ops import make_dirs, safe_name
from common.pe_ops import get_pe_file
from common.patterns import PAT_PORTWELL_EFI, PAT_MICROSOFT_MZ
from common.system import script_init, argparse_init, printer
from common.patterns import PAT_MICROSOFT_MZ, PAT_PORTWELL_EFI
from common.system import argparse_init, printer, script_init
from common.text_ops import file_to_bytes
FILE_NAMES = {
@ -34,10 +34,13 @@ FILE_NAMES = {
def is_portwell_efi(in_file):
in_buffer = file_to_bytes(in_file)
try: pe_buffer = get_portwell_pe(in_buffer)[1]
except: pe_buffer = b''
try:
pe_buffer = get_portwell_pe(in_buffer)[1]
except:
pe_buffer = b''
is_mz = PAT_MICROSOFT_MZ.search(in_buffer[:0x2]) # EFI images start with PE Header MZ
is_uu = PAT_PORTWELL_EFI.search(pe_buffer[:0x4]) # Portwell EFI files start with <UU>
return bool(is_mz and is_uu)
@ -104,7 +107,8 @@ def get_unpacker_tag(input_buffer, pe_file):
# Process Portwell UEFI Unpacker payload files
def parse_efi_files(extract_path, efi_files, padding):
for file_index,file_data in enumerate(efi_files):
if file_data in (b'', b'NULL'): continue # Skip empty/unused files
if file_data in (b'', b'NULL'):
continue # Skip empty/unused files
file_name = FILE_NAMES.get(file_index, f'Unknown_{file_index}.bin') # Assign Name to EFI file
@ -115,7 +119,8 @@ def parse_efi_files(extract_path, efi_files, padding):
file_path = os.path.join(extract_path, safe_name(file_name)) # Store EFI file output path
with open(file_path, 'wb') as out_file: out_file.write(file_data) # Store EFI file data to drive
with open(file_path, 'wb') as out_file:
out_file.write(file_data) # Store EFI file data to drive
# Attempt to detect EFI compression & decompress when applicable
if is_efi_compressed(file_data):
@ -139,7 +144,8 @@ if __name__ == '__main__':
printer(['***', input_name], padding - 4)
with open(input_file, 'rb') as in_file: input_buffer = in_file.read()
with open(input_file, 'rb') as in_file:
input_buffer = in_file.read()
if not is_portwell_efi(input_buffer):
printer('Error: This is not a Portwell EFI Update Package!', padding)