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Added Panasonic BIOS Package Extractor v2.0_a7

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New processes to better handle PE files

Various common package fixes and improvements
This commit is contained in:
platomav 2022-06-21 14:23:08 +03:00
parent f5905ec662
commit fc73921967
12 changed files with 400 additions and 35 deletions
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16
Portwell_EFI_Extract.py
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@ -7,17 +7,17 @@ Portwell EFI Update Extractor
Copyright (C) 2021-2022 Plato Mavropoulos
"""
TITLE = 'Portwell EFI Update Extractor v2.0_a9'
TITLE = 'Portwell EFI Update Extractor v2.0_a10'
import os
import sys
import pefile
# Stop __pycache__ generation
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.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.text_ops import file_to_bytes
@ -43,8 +43,8 @@ def is_portwell_efi(in_file):
return bool(is_mz and is_uu)
# Get PE of Portwell EFI executable
def get_portwell_pe(in_buffer):
pe_file = pefile.PE(data=in_buffer, fast_load=True) # Analyze EFI Portable Executable (PE)
def get_portwell_pe(in_buffer):
pe_file = get_pe_file(in_buffer, fast=True) # Analyze EFI Portable Executable (PE)
pe_data = in_buffer[pe_file.OPTIONAL_HEADER.SizeOfImage:] # Skip EFI executable (pylint: disable=E1101)
@ -66,9 +66,9 @@ def portwell_efi_extract(input_buffer, output_path, padding=0):
# Split EFI Payload into <UU> file chunks
efi_list = list(PAT_PORTWELL_EFI.finditer(pe_data))
for i,_ in enumerate(efi_list):
efi_bgn = efi_list[i].end()
efi_end = len(pe_data) if i == len(efi_list) - 1 else efi_list[i + 1].start()
for idx,val in enumerate(efi_list):
efi_bgn = val.end()
efi_end = len(pe_data) if idx == len(efi_list) - 1 else efi_list[idx + 1].start()
efi_files.append(pe_data[efi_bgn:efi_end])
parse_efi_files(extract_path, efi_files, padding)
@ -108,7 +108,7 @@ def parse_efi_files(extract_path, efi_files, padding):
file_name = FILE_NAMES.get(file_index, f'Unknown_{file_index}.bin') # Assign Name to EFI file
printer(file_name, padding + 4) # Print EFI file name, indicate progress
printer(f'[{file_index}] {file_name}', padding + 4) # Print EFI file name, indicate progress
if file_name.startswith('Unknown_'):
printer(f'Note: Detected new Portwell EFI file ID {file_index}!', padding + 8, pause=True) # Report new EFI files