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Code Issues Projects Releases Packages Wiki Activity

Added AMI PFAT RSA 3K signed blocks support

Browse source 
Added AMI PFAT nested detection at each file

Added Award BIOS payload naming at each file

Switched Panasonic BIOS LZNT1 external library

Improved Panasonic LZNT1 detection and length

Improved Dell PFS code structure and fixed bugs

Improved code exception handling (raise, catch)

Improved code definitions (PEP8, docs, types)

Fixed some arguments missing from help screens
This commit is contained in:
Plato Mavropoulos 2024-04-24 01:22:53 +03:00
parent 03ae0cf070
commit d85a7f82dc
37 changed files with 2897 additions and 2174 deletions
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9
.gitignore vendored
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@ -1,5 +1,4 @@
# Skip all external files
external/*
# Keep external > requirements file
!external/requirements.txt
/.idea/
/.mypy_cache/
/external/
/venv/

4
.mypy.ini Normal file
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[mypy]
explicit_package_bases = True
mypy_path = $MYPY_CONFIG_FILE_DIR/

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.pylintrc Normal file
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[MAIN]
init-hook="import sys; sys.path.append('./')"
[MESSAGES CONTROL]
disable=
duplicate-code,
invalid-name,
line-too-long,
too-few-public-methods,
too-many-arguments,
too-many-branches,
too-many-instance-attributes,
too-many-lines,
too-many-locals,
too-many-nested-blocks,
too-many-return-statements,
too-many-statements

567
AMI_PFAT_Extract.py
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#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
AMI PFAT Extract
AMI BIOS Guard Extractor
Copyright (C) 2018-2022 Plato Mavropoulos
Copyright (C) 2018-2024 Plato Mavropoulos
"""
TITLE = 'AMI BIOS Guard Extractor v4.0_a12'
import ctypes
import os
import re
import sys
import ctypes
# Stop __pycache__ generation
sys.dont_write_bytecode = True
from common.externals import get_bgs_tool
from common.num_ops import get_ordinal
from common.path_ops import make_dirs, safe_name, get_extract_path, extract_suffix
from common.path_ops import extract_suffix, get_extract_path, make_dirs, path_name, safe_name
from common.patterns import PAT_AMI_PFAT
from common.struct_ops import char, get_struct, uint8_t, uint16_t, uint32_t
from common.struct_ops import Char, get_struct, UInt8, UInt16, UInt32
from common.system import printer
from common.templates import BIOSUtility
from common.text_ops import file_to_bytes
from common.text_ops import bytes_to_hex, file_to_bytes
TITLE = 'AMI BIOS Guard Extractor v5.0'
class AmiBiosGuardHeader(ctypes.LittleEndianStructure):
""" AMI BIOS Guard Header """
_pack_ = 1
# noinspection PyTypeChecker
_fields_ = [
('Size', uint32_t), # 0x00 Header + Entries
('Checksum', uint32_t), # 0x04 ?
('Tag', char*8), # 0x04 _AMIPFAT
('Flags', uint8_t), # 0x10 ?
('Size', UInt32), # 0x00 Header + Entries
('Checksum', UInt32), # 0x04 ?
('Tag', Char * 8), # 0x04 _AMIPFAT
('Flags', UInt8), # 0x10 ?
# 0x11
]
def struct_print(self, p):
printer(['Size :', f'0x{self.Size:X}'], p, False)
printer(['Checksum:', f'0x{self.Checksum:04X}'], p, False)
printer(['Tag :', self.Tag.decode('utf-8')], p, False)
printer(['Flags :', f'0x{self.Flags:02X}'], p, False)
def struct_print(self, padd: int) -> None:
""" Display structure information """
printer(['Size :', f'0x{self.Size:X}'], padd, False)
printer(['Checksum:', f'0x{self.Checksum:04X}'], padd, False)
printer(['Tag :', self.Tag.decode('utf-8')], padd, False)
printer(['Flags :', f'0x{self.Flags:02X}'], padd, False)
class IntelBiosGuardHeader(ctypes.LittleEndianStructure):
""" Intel BIOS Guard Header """
_pack_ = 1
# noinspection PyTypeChecker
_fields_ = [
('BGVerMajor', uint16_t), # 0x00
('BGVerMinor', uint16_t), # 0x02
('PlatformID', uint8_t*16), # 0x04
('Attributes', uint32_t), # 0x14
('ScriptVerMajor', uint16_t), # 0x16
('ScriptVerMinor', uint16_t), # 0x18
('ScriptSize', uint32_t), # 0x1C
('DataSize', uint32_t), # 0x20
('BIOSSVN', uint32_t), # 0x24
('ECSVN', uint32_t), # 0x28
('VendorInfo', uint32_t), # 0x2C
('BGVerMajor', UInt16), # 0x00
('BGVerMinor', UInt16), # 0x02
('PlatformID', UInt8 * 16), # 0x04
('Attributes', UInt32), # 0x14
('ScriptVerMajor', UInt16), # 0x16
('ScriptVerMinor', UInt16), # 0x18
('ScriptSize', UInt32), # 0x1C
('DataSize', UInt32), # 0x20
('BIOSSVN', UInt32), # 0x24
('ECSVN', UInt32), # 0x28
('VendorInfo', UInt32), # 0x2C
# 0x30
]
def get_platform_id(self):
id_byte = bytes(self.PlatformID)
id_text = re.sub(r'[\n\t\r\x00 ]', '', id_byte.decode('utf-8','ignore'))
id_hexs = f'{int.from_bytes(id_byte, "big"):0{0x10 * 2}X}'
id_guid = f'{{{id_hexs[:8]}-{id_hexs[8:12]}-{id_hexs[12:16]}-{id_hexs[16:20]}-{id_hexs[20:]}}}'
def get_platform_id(self) -> str:
""" Get Intel BIOS Guard Platform ID """
id_byte: bytes = bytes(self.PlatformID)
id_text: str = re.sub(r'[\n\t\r\x00 ]', '', id_byte.decode('utf-8', 'ignore'))
id_hexs: str = f'{int.from_bytes(id_byte, "big"):0{0x10 * 2}X}'
id_guid: str = f'{{{id_hexs[:8]}-{id_hexs[8:12]}-{id_hexs[12:16]}-{id_hexs[16:20]}-{id_hexs[20:]}}}'
return f'{id_text} {id_guid}'
def get_flags(self):
def get_flags(self) -> tuple:
""" Get Intel BIOS Guard Header Attributes """
attr = IntelBiosGuardHeaderGetAttributes()
attr.asbytes = self.Attributes
attr.asbytes = self.Attributes # pylint: disable=W0201
return attr.b.SFAM, attr.b.ProtectEC, attr.b.GFXMitDis, attr.b.FTU, attr.b.Reserved
def struct_print(self, p):
no_yes = ['No','Yes']
f1,f2,f3,f4,f5 = self.get_flags()
printer(['BIOS Guard Version :', f'{self.BGVerMajor}.{self.BGVerMinor}'], p, False)
printer(['Platform Identity :', self.get_platform_id()], p, False)
printer(['Signed Flash Address Map :', no_yes[f1]], p, False)
printer(['Protected EC OpCodes :', no_yes[f2]], p, False)
printer(['Graphics Security Disable :', no_yes[f3]], p, False)
printer(['Fault Tolerant Update :', no_yes[f4]], p, False)
printer(['Attributes Reserved :', f'0x{f5:X}'], p, False)
printer(['Script Version :', f'{self.ScriptVerMajor}.{self.ScriptVerMinor}'], p, False)
printer(['Script Size :', f'0x{self.ScriptSize:X}'], p, False)
printer(['Data Size :', f'0x{self.DataSize:X}'], p, False)
printer(['BIOS Security Version Number:', f'0x{self.BIOSSVN:X}'], p, False)
printer(['EC Security Version Number :', f'0x{self.ECSVN:X}'], p, False)
printer(['Vendor Information :', f'0x{self.VendorInfo:X}'], p, False)
def struct_print(self, padd: int) -> None:
""" Display structure information """
no_yes: dict[int, str] = {0: 'No', 1: 'Yes'}
sfam, ec_opc, gfx_dis, ft_upd, attr_res = self.get_flags()
printer(['BIOS Guard Version :', f'{self.BGVerMajor}.{self.BGVerMinor}'], padd, False)
printer(['Platform Identity :', self.get_platform_id()], padd, False)
printer(['Signed Flash Address Map :', no_yes[sfam]], padd, False)
printer(['Protected EC OpCodes :', no_yes[ec_opc]], padd, False)
printer(['Graphics Security Disable :', no_yes[gfx_dis]], padd, False)
printer(['Fault Tolerant Update :', no_yes[ft_upd]], padd, False)
printer(['Attributes Reserved :', f'0x{attr_res:X}'], padd, False)
printer(['Script Version :', f'{self.ScriptVerMajor}.{self.ScriptVerMinor}'], padd, False)
printer(['Script Size :', f'0x{self.ScriptSize:X}'], padd, False)
printer(['Data Size :', f'0x{self.DataSize:X}'], padd, False)
printer(['BIOS Security Version Number:', f'0x{self.BIOSSVN:X}'], padd, False)
printer(['EC Security Version Number :', f'0x{self.ECSVN:X}'], padd, False)
printer(['Vendor Information :', f'0x{self.VendorInfo:X}'], padd, False)
class IntelBiosGuardHeaderAttributes(ctypes.LittleEndianStructure):
""" Intel BIOS Guard Header Attributes """
_pack_ = 1
_fields_ = [
('SFAM', uint32_t, 1), # Signed Flash Address Map
('ProtectEC', uint32_t, 1), # Protected EC OpCodes
('GFXMitDis', uint32_t, 1), # GFX Security Disable
('FTU', uint32_t, 1), # Fault Tolerant Update
('Reserved', uint32_t, 28) # Reserved/Unknown
('SFAM', UInt32, 1), # Signed Flash Address Map
('ProtectEC', UInt32, 1), # Protected EC OpCodes
('GFXMitDis', UInt32, 1), # GFX Security Disable
('FTU', UInt32, 1), # Fault Tolerant Update
('Reserved', UInt32, 28) # Reserved/Unknown
]
class IntelBiosGuardHeaderGetAttributes(ctypes.Union):
""" Intel BIOS Guard Header Attributes Getter """
_pack_ = 1
_fields_ = [
('b', IntelBiosGuardHeaderAttributes),
('asbytes', uint32_t)
('asbytes', UInt32)
]
class IntelBiosGuardSignature2k(ctypes.LittleEndianStructure):
class IntelBiosGuardSignatureHeader(ctypes.LittleEndianStructure):
""" Intel BIOS Guard Signature Header """
_pack_ = 1
_fields_ = [
('Unknown0', uint32_t), # 0x000
('Unknown1', uint32_t), # 0x004
('Modulus', uint32_t*64), # 0x008
('Exponent', uint32_t), # 0x108
('Signature', uint32_t*64), # 0x10C
# 0x20C
]
def struct_print(self, p):
Modulus = f'{int.from_bytes(self.Modulus, "little"):0{0x100 * 2}X}'
Signature = f'{int.from_bytes(self.Signature, "little"):0{0x100 * 2}X}'
printer(['Unknown 0:', f'0x{self.Unknown0:X}'], p, False)
printer(['Unknown 1:', f'0x{self.Unknown1:X}'], p, False)
printer(['Modulus :', f'{Modulus[:32]} [...]'], p, False)
printer(['Exponent :', f'0x{self.Exponent:X}'], p, False)
printer(['Signature:', f'{Signature[:32]} [...]'], p, False)
def is_ami_pfat(input_file):
input_buffer = file_to_bytes(input_file)
_fields_ = [
('Unknown0', UInt32), # 0x000
('Unknown1', UInt32), # 0x004
# 0x8
]
def struct_print(self, padd: int) -> None:
""" Display structure information """
printer(['Unknown 0:', f'0x{self.Unknown0:X}'], padd, False)
printer(['Unknown 1:', f'0x{self.Unknown1:X}'], padd, False)
class IntelBiosGuardSignatureRsa2k(ctypes.LittleEndianStructure):
""" Intel BIOS Guard Signature Block 2048-bit """
_pack_ = 1
# noinspection PyTypeChecker
_fields_ = [
('Modulus', UInt8 * 256), # 0x000
('Exponent', UInt32), # 0x100
('Signature', UInt8 * 256), # 0x104
# 0x204
]
def struct_print(self, padd: int) -> None:
""" Display structure information """
printer(['Modulus :', f'{bytes_to_hex(self.Modulus, "little", 0x100, 32)} [...]'], padd, False)
printer(['Exponent :', f'0x{self.Exponent:X}'], padd, False)
printer(['Signature:', f'{bytes_to_hex(self.Signature, "little", 0x100, 32)} [...]'], padd, False)
class IntelBiosGuardSignatureRsa3k(ctypes.LittleEndianStructure):
""" Intel BIOS Guard Signature Block 3072-bit """
_pack_ = 1
# noinspection PyTypeChecker
_fields_ = [
('Modulus', UInt8 * 384), # 0x000
('Exponent', UInt32), # 0x180
('Signature', UInt8 * 384), # 0x184
# 0x304
]
def struct_print(self, padd: int) -> None:
""" Display structure information """
printer(['Modulus :', f'{int.from_bytes(self.Modulus, "little"):0{0x180 * 2}X}'[:64]], padd, False)
printer(['Exponent :', f'0x{self.Exponent:X}'], padd, False)
printer(['Signature:', f'{int.from_bytes(self.Signature, "little"):0{0x180 * 2}X}'[:64]], padd, False)
def is_ami_pfat(input_object: str | bytes | bytearray) -> bool:
""" Check if input is AMI BIOS Guard """
input_buffer: bytes = file_to_bytes(input_object)
return bool(get_ami_pfat(input_buffer))
def get_ami_pfat(input_file):
input_buffer = file_to_bytes(input_file)
def get_ami_pfat(input_object: str | bytes | bytearray) -> bytes:
""" Get actual AMI BIOS Guard buffer """
input_buffer: bytes = file_to_bytes(input_object)
match = PAT_AMI_PFAT.search(input_buffer)
return input_buffer[match.start() - 0x8:] if match else b''
def get_file_name(index, name):
def get_file_name(index: int, name: str) -> str:
""" Create AMI BIOS Guard output filename """
return safe_name(f'{index:02d} -- {name}')
def parse_bg_script(script_data, padding=0):
is_opcode_div = len(script_data) % 8 == 0
def parse_bg_script(script_data: bytes, padding: int = 0) -> int:
""" Process Intel BIOS Guard Script """
is_opcode_div: bool = len(script_data) % 8 == 0
if not is_opcode_div:
printer('Error: Script is not divisible by OpCode length!', padding, False)
printer('Error: BIOS Guard script is not divisible by OpCode length!', padding, False)
return 1
is_begin_end = script_data[:8] + script_data[-8:] == b'\x01' + b'\x00' * 7 + b'\xFF' + b'\x00' * 7
is_begin_end: bool = script_data[:8] + script_data[-8:] == b'\x01' + b'\x00' * 7 + b'\xFF' + b'\x00' * 7
if not is_begin_end:
printer('Error: Script lacks Begin and/or End OpCodes!', padding, False)
printer('Error: BIOS Guard script lacks Begin and/or End OpCodes!', padding, False)
return 2
BigScript = get_bgs_tool()
if not BigScript:
big_script = get_bgs_tool()
if not big_script:
printer('Note: BIOS Guard Script Tool optional dependency is missing!', padding, False)
return 3
script = BigScript(code_bytes=script_data).to_string().replace('\t',' ').split('\n')
script = big_script(code_bytes=script_data).to_string().replace('\t', ' ').split('\n')
for opcode in script:
if opcode.endswith(('begin','end')): spacing = padding
elif opcode.endswith(':'): spacing = padding + 4
else: spacing = padding + 12
if opcode.endswith(('begin', 'end')):
spacing: int = padding
elif opcode.endswith(':'):
spacing = padding + 4
else:
spacing = padding + 12
operands = [operand for operand in opcode.split(' ') if operand]
printer(('{:<12s}' + '{:<11s}' * (len(operands) - 1)).format(*operands), spacing, False)
# Largest opcode length is 11 (erase64kblk) and largest operand length is 10 (0xAABBCCDD).
printer(f'{operands[0]:11s}{"".join((f" {o:10s}" for o in operands[1:]))}', spacing, False)
return 0
def parse_pfat_hdr(buffer, padding=0):
block_all = []
def parse_bg_sign(input_data: bytes, sign_offset: int, print_info: bool = False, padding: int = 0) -> int:
""" Process Intel BIOS Guard Signature """
bg_sig_hdr = get_struct(input_data, sign_offset, IntelBiosGuardSignatureHeader)
if bg_sig_hdr.Unknown0 == 1:
# Unknown0 = 1, Unknown1 = 1
bg_sig_rsa_struct = IntelBiosGuardSignatureRsa2k
else:
# Unknown0 = 2, Unknown1 = 3
bg_sig_rsa_struct = IntelBiosGuardSignatureRsa3k
bg_sig_rsa = get_struct(input_data, sign_offset + PFAT_BLK_SIG_LEN, bg_sig_rsa_struct)
if print_info:
bg_sig_hdr.struct_print(padding)
bg_sig_rsa.struct_print(padding)
# Total size of Signature Header and RSA Structure
return PFAT_BLK_SIG_LEN + ctypes.sizeof(bg_sig_rsa_struct)
def parse_pfat_hdr(buffer: bytes | bytearray, padding: int = 0) -> tuple:
""" Parse AMI BIOS Guard Header """
block_all: list = []
pfat_hdr = get_struct(buffer, 0x0, AmiBiosGuardHeader)
hdr_size = pfat_hdr.Size
hdr_data = buffer[PFAT_AMI_HDR_LEN:hdr_size]
hdr_text = hdr_data.decode('utf-8').splitlines()
hdr_size: int = pfat_hdr.Size
hdr_data: bytes = buffer[PFAT_AMI_HDR_LEN:hdr_size]
hdr_text: list[str] = hdr_data.decode('utf-8').splitlines()
printer('AMI BIOS Guard Header:\n', padding)
pfat_hdr.struct_print(padding + 4)
hdr_title,*hdr_files = hdr_text
files_count = len(hdr_files)
hdr_tag,*hdr_indexes = hdr_title.split('II')
hdr_title, *hdr_files = hdr_text
files_count: int = len(hdr_files)
hdr_tag, *hdr_indexes = hdr_title.split('II')
printer(hdr_tag + '\n', padding + 4)
bgt_indexes = [int(h, 16) for h in re.findall(r'.{1,4}', hdr_indexes[0])] if hdr_indexes else []
for index,entry in enumerate(hdr_files):
entry_parts = entry.split(';')
info = entry_parts[0].split()
name = entry_parts[1]
flags = int(info[0])
param = info[1]
count = int(info[2])
order = get_ordinal((bgt_indexes[index] if bgt_indexes else index) + 1)
desc = f'{name} (Index: {index + 1:02d}, Flash: {order}, Parameter: {param}, Flags: 0x{flags:X}, Blocks: {count})'
bgt_indexes: list = [int(h, 16) for h in re.findall(r'.{1,4}', hdr_indexes[0])] if hdr_indexes else []
for index, entry in enumerate(hdr_files):
entry_parts: list = entry.split(';')
info: list = entry_parts[0].split()
name: str = entry_parts[1]
flags: int = int(info[0])
param: str = info[1]
count: int = int(info[2])
order: str = get_ordinal((bgt_indexes[index] if bgt_indexes else index) + 1)
desc = f'{name} (Index: {index + 1:02d}, Flash: {order}, ' \
f'Parameter: {param}, Flags: 0x{flags:X}, Blocks: {count})'
block_all += [(desc, name, order, param, flags, index, i, count) for i in range(count)]
_ = [printer(block[0], padding + 8, False) for block in block_all if block[6] == 0]
return block_all, hdr_size, files_count
def parse_pfat_file(input_file, extract_path, padding=0):
input_buffer = file_to_bytes(input_file)
pfat_buffer = get_ami_pfat(input_buffer)
file_path = ''
all_blocks_dict = {}
extract_name = os.path.basename(extract_path).rstrip(extract_suffix())
def parse_pfat_file(input_object: str | bytes | bytearray, extract_path: str, padding: int = 0) -> int:
""" Process and store AMI BIOS Guard output file """
input_buffer: bytes = file_to_bytes(input_object)
pfat_buffer: bytes = get_ami_pfat(input_buffer)
file_path: str = ''
all_blocks_dict: dict = {}
extract_name: str = path_name(extract_path).removesuffix(extract_suffix())
make_dirs(extract_path, delete=True)
block_all,block_off,file_count = parse_pfat_hdr(pfat_buffer, padding)
block_all, block_off, file_count = parse_pfat_hdr(pfat_buffer, padding)
for block in block_all:
file_desc,file_name,_,_,_,file_index,block_index,block_count = block
file_desc, file_name, _, _, _, file_index, block_index, block_count = block
if block_index == 0:
printer(file_desc, padding + 4)
file_path = os.path.join(extract_path, get_file_name(file_index + 1, file_name))
all_blocks_dict[file_index] = b''
block_status = f'{block_index + 1}/{block_count}'
block_status: str = f'{block_index + 1}/{block_count}'
bg_hdr = get_struct(pfat_buffer, block_off, IntelBiosGuardHeader)
printer(f'Intel BIOS Guard {block_status} Header:\n', padding + 8)
bg_hdr.struct_print(padding + 12)
bg_script_bgn = block_off + PFAT_BLK_HDR_LEN
bg_script_end = bg_script_bgn + bg_hdr.ScriptSize
bg_script_bin = pfat_buffer[bg_script_bgn:bg_script_end]
bg_data_bgn = bg_script_end
bg_data_end = bg_data_bgn + bg_hdr.DataSize
bg_data_bin = pfat_buffer[bg_data_bgn:bg_data_end]
block_off = bg_data_end # Assume next block starts at data end
bg_script_bgn: int = block_off + PFAT_BLK_HDR_LEN
bg_script_end: int = bg_script_bgn + bg_hdr.ScriptSize
bg_data_bgn: int = bg_script_end
bg_data_end: int = bg_data_bgn + bg_hdr.DataSize
bg_data_bin: bytes = pfat_buffer[bg_data_bgn:bg_data_end]
block_off: int = bg_data_end # Assume next block starts at data end
is_sfam, _, _, _, _ = bg_hdr.get_flags() # SFAM, ProtectEC, GFXMitDis, FTU, Reserved
is_sfam,_,_,_,_ = bg_hdr.get_flags() # SFAM, ProtectEC, GFXMitDis, FTU, Reserved
if is_sfam:
bg_sig_bgn = bg_data_end
bg_sig_end = bg_sig_bgn + PFAT_BLK_S2K_LEN
bg_sig_bin = pfat_buffer[bg_sig_bgn:bg_sig_end]
if len(bg_sig_bin) == PFAT_BLK_S2K_LEN:
bg_sig = get_struct(bg_sig_bin, 0x0, IntelBiosGuardSignature2k)
printer(f'Intel BIOS Guard {block_status} Signature:\n', padding + 8)
bg_sig.struct_print(padding + 12)
printer(f'Intel BIOS Guard {block_status} Signature:\n', padding + 8)
# Adjust next block to start after current block Data + Signature
block_off += parse_bg_sign(pfat_buffer, bg_data_end, True, padding + 12)
block_off = bg_sig_end # Adjust next block to start at data + signature end
printer(f'Intel BIOS Guard {block_status} Script:\n', padding + 8)
_ = parse_bg_script(bg_script_bin, padding + 12)
_ = parse_bg_script(pfat_buffer[bg_script_bgn:bg_script_end], padding + 12)
with open(file_path, 'ab') as out_dat:
out_dat.write(bg_data_bin)
all_blocks_dict[file_index] += bg_data_bin
pfat_oob_data = pfat_buffer[block_off:] # Store out-of-bounds data after the end of PFAT files
pfat_oob_name = get_file_name(file_count + 1, f'{extract_name}_OOB.bin')
pfat_oob_path = os.path.join(extract_path, pfat_oob_name)
if block_index + 1 == block_count:
if is_ami_pfat(all_blocks_dict[file_index]):
parse_pfat_file(all_blocks_dict[file_index], get_extract_path(file_path), padding + 8)
pfat_oob_data: bytes = pfat_buffer[block_off:] # Store out-of-bounds data after the end of PFAT files
pfat_oob_name: str = get_file_name(file_count + 1, f'{extract_name}_OOB.bin')
pfat_oob_path: str = os.path.join(extract_path, pfat_oob_name)
with open(pfat_oob_path, 'wb') as out_oob:
out_oob.write(pfat_oob_data)
if is_ami_pfat(pfat_oob_data):
parse_pfat_file(pfat_oob_data, get_extract_path(pfat_oob_path), padding)
in_all_data = b''.join([block[1] for block in sorted(all_blocks_dict.items())])
in_all_name = get_file_name(0, f'{extract_name}_ALL.bin')
in_all_path = os.path.join(extract_path, in_all_name)
in_all_data: bytes = b''.join([block[1] for block in sorted(all_blocks_dict.items())])
in_all_name: str = get_file_name(0, f'{extract_name}_ALL.bin')
in_all_path: str = os.path.join(extract_path, in_all_name)
with open(in_all_path, 'wb') as out_all:
out_all.write(in_all_data + pfat_oob_data)
return 0
PFAT_AMI_HDR_LEN = ctypes.sizeof(AmiBiosGuardHeader)
PFAT_BLK_HDR_LEN = ctypes.sizeof(IntelBiosGuardHeader)
PFAT_BLK_S2K_LEN = ctypes.sizeof(IntelBiosGuardSignature2k)
PFAT_AMI_HDR_LEN: int = ctypes.sizeof(AmiBiosGuardHeader)
PFAT_BLK_HDR_LEN: int = ctypes.sizeof(IntelBiosGuardHeader)
PFAT_BLK_SIG_LEN: int = ctypes.sizeof(IntelBiosGuardSignatureHeader)
if __name__ == '__main__':
BIOSUtility(TITLE, is_ami_pfat, parse_pfat_file).run_utility()
BIOSUtility(title=TITLE, check=is_ami_pfat, main=parse_pfat_file).run_utility()

685
AMI_UCP_Extract.py
View file

@ -1,29 +1,23 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
AMI UCP Extract
AMI UCP Update Extractor
Copyright (C) 2021-2022 Plato Mavropoulos
Copyright (C) 2021-2024 Plato Mavropoulos
"""
TITLE = 'AMI UCP Update Extractor v2.0_a20'
import contextlib
import ctypes
import os
import re
import sys
import struct
import ctypes
import contextlib
# Stop __pycache__ generation
sys.dont_write_bytecode = True
from common.checksums import get_chk_16
from common.comp_efi import efi_decompress, is_efi_compressed
from common.path_ops import agnostic_path, make_dirs, safe_name, safe_path, get_extract_path
from common.path_ops import agnostic_path, get_extract_path, make_dirs, safe_name, safe_path
from common.patterns import PAT_AMI_UCP, PAT_INTEL_ENG
from common.struct_ops import char, get_struct, uint8_t, uint16_t, uint32_t
from common.struct_ops import Char, get_struct, UInt8, UInt16, UInt32
from common.system import printer
from common.templates import BIOSUtility
from common.text_ops import file_to_bytes, to_string
@ -31,419 +25,477 @@ from common.text_ops import file_to_bytes, to_string
from AMI_PFAT_Extract import is_ami_pfat, parse_pfat_file
from Insyde_IFD_Extract import insyde_ifd_extract, is_insyde_ifd
TITLE = 'AMI UCP Update Extractor v3.0'
class UafHeader(ctypes.LittleEndianStructure):
""" UAF Header """
_pack_ = 1
_fields_ = [
('ModuleTag', char*4), # 0x00
('ModuleSize', uint32_t), # 0x04
('Checksum', uint16_t), # 0x08
('Unknown0', uint8_t), # 0x0A
('Unknown1', uint8_t), # 0x0A
('Reserved', uint8_t*4), # 0x0C
('ModuleTag', Char * 4), # 0x00
('ModuleSize', UInt32), # 0x04
('Checksum', UInt16), # 0x08
('Unknown0', UInt8), # 0x0A
('Unknown1', UInt8), # 0x0A
('Reserved', UInt8 * 4), # 0x0C
# 0x10
]
def _get_reserved(self):
res_bytes = bytes(self.Reserved)
res_hex = f'0x{int.from_bytes(res_bytes, "big"):0{0x4 * 2}X}'
res_str = re.sub(r'[\n\t\r\x00 ]', '', res_bytes.decode('utf-8','ignore'))
res_str = re.sub(r'[\n\t\r\x00 ]', '', res_bytes.decode('utf-8', 'ignore'))
res_txt = f' ({res_str})' if len(res_str) else ''
return f'{res_hex}{res_txt}'
def struct_print(self, p):
printer(['Tag :', self.ModuleTag.decode('utf-8')], p, False)
printer(['Size :', f'0x{self.ModuleSize:X}'], p, False)
printer(['Checksum :', f'0x{self.Checksum:04X}'], p, False)
printer(['Unknown 0 :', f'0x{self.Unknown0:02X}'], p, False)
printer(['Unknown 1 :', f'0x{self.Unknown1:02X}'], p, False)
printer(['Reserved :', self._get_reserved()], p, False)
def struct_print(self, padd):
""" Display structure information """
printer(['Tag :', self.ModuleTag.decode('utf-8')], padd, False)
printer(['Size :', f'0x{self.ModuleSize:X}'], padd, False)
printer(['Checksum :', f'0x{self.Checksum:04X}'], padd, False)
printer(['Unknown 0 :', f'0x{self.Unknown0:02X}'], padd, False)
printer(['Unknown 1 :', f'0x{self.Unknown1:02X}'], padd, False)
printer(['Reserved :', self._get_reserved()], padd, False)
class UafModule(ctypes.LittleEndianStructure):
""" UAF Module """
_pack_ = 1
_fields_ = [
('CompressSize', uint32_t), # 0x00
('OriginalSize', uint32_t), # 0x04
('CompressSize', UInt32), # 0x00
('OriginalSize', UInt32), # 0x04
# 0x08
]
def struct_print(self, p, filename, description):
printer(['Compress Size:', f'0x{self.CompressSize:X}'], p, False)
printer(['Original Size:', f'0x{self.OriginalSize:X}'], p, False)
printer(['Filename :', filename], p, False)
printer(['Description :', description], p, False)
def struct_print(self, padd, filename, description):
""" Display structure information """
printer(['Compress Size:', f'0x{self.CompressSize:X}'], padd, False)
printer(['Original Size:', f'0x{self.OriginalSize:X}'], padd, False)
printer(['Filename :', filename], padd, False)
printer(['Description :', description], padd, False)
class UiiHeader(ctypes.LittleEndianStructure):
""" UII Header """
_pack_ = 1
_fields_ = [
('UIISize', uint16_t), # 0x00
('Checksum', uint16_t), # 0x02
('UtilityVersion', uint32_t), # 0x04 AFU|BGT (Unknown, Signed)
('InfoSize', uint16_t), # 0x08
('SupportBIOS', uint8_t), # 0x0A
('SupportOS', uint8_t), # 0x0B
('DataBusWidth', uint8_t), # 0x0C
('ProgramType', uint8_t), # 0x0D
('ProgramMode', uint8_t), # 0x0E
('SourceSafeRel', uint8_t), # 0x0F
('UIISize', UInt16), # 0x00
('Checksum', UInt16), # 0x02
('UtilityVersion', UInt32), # 0x04 AFU|BGT (Unknown, Signed)
('InfoSize', UInt16), # 0x08
('SupportBIOS', UInt8), # 0x0A
('SupportOS', UInt8), # 0x0B
('DataBusWidth', UInt8), # 0x0C
('ProgramType', UInt8), # 0x0D
('ProgramMode', UInt8), # 0x0E
('SourceSafeRel', UInt8), # 0x0F
# 0x10
]
SBI = {1: 'ALL', 2: 'AMIBIOS8', 3: 'UEFI', 4: 'AMIBIOS8/UEFI'}
SOS = {1: 'DOS', 2: 'EFI', 3: 'Windows', 4: 'Linux', 5: 'FreeBSD', 6: 'MacOS', 128: 'Multi-Platform'}
DBW = {1: '16b', 2: '16/32b', 3: '32b', 4: '64b'}
PTP = {1: 'Executable', 2: 'Library', 3: 'Driver'}
PMD = {1: 'API', 2: 'Console', 3: 'GUI', 4: 'Console/GUI'}
def struct_print(self, p, description):
SupportBIOS = self.SBI.get(self.SupportBIOS, f'Unknown ({self.SupportBIOS})')
SupportOS = self.SOS.get(self.SupportOS, f'Unknown ({self.SupportOS})')
DataBusWidth = self.DBW.get(self.DataBusWidth, f'Unknown ({self.DataBusWidth})')
ProgramType = self.PTP.get(self.ProgramType, f'Unknown ({self.ProgramType})')
ProgramMode = self.PMD.get(self.ProgramMode, f'Unknown ({self.ProgramMode})')
printer(['UII Size :', f'0x{self.UIISize:X}'], p, False)
printer(['Checksum :', f'0x{self.Checksum:04X}'], p, False)
printer(['Tool Version :', f'0x{self.UtilityVersion:08X}'], p, False)
printer(['Info Size :', f'0x{self.InfoSize:X}'], p, False)
printer(['Supported BIOS:', SupportBIOS], p, False)
printer(['Supported OS :', SupportOS], p, False)
printer(['Data Bus Width:', DataBusWidth], p, False)
printer(['Program Type :', ProgramType], p, False)
printer(['Program Mode :', ProgramMode], p, False)
printer(['SourceSafe Tag:', f'{self.SourceSafeRel:02d}'], p, False)
printer(['Description :', description], p, False)
def struct_print(self, padd, description):
""" Display structure information """
support_bios = self.SBI.get(self.SupportBIOS, f'Unknown ({self.SupportBIOS})')
support_os = self.SOS.get(self.SupportOS, f'Unknown ({self.SupportOS})')
data_bus_width = self.DBW.get(self.DataBusWidth, f'Unknown ({self.DataBusWidth})')
program_type = self.PTP.get(self.ProgramType, f'Unknown ({self.ProgramType})')
program_mode = self.PMD.get(self.ProgramMode, f'Unknown ({self.ProgramMode})')
printer(['UII Size :', f'0x{self.UIISize:X}'], padd, False)
printer(['Checksum :', f'0x{self.Checksum:04X}'], padd, False)
printer(['Tool Version :', f'0x{self.UtilityVersion:08X}'], padd, False)
printer(['Info Size :', f'0x{self.InfoSize:X}'], padd, False)
printer(['Supported BIOS:', support_bios], padd, False)
printer(['Supported OS :', support_os], padd, False)
printer(['Data Bus Width:', data_bus_width], padd, False)
printer(['Program Type :', program_type], padd, False)
printer(['Program Mode :', program_mode], padd, False)
printer(['SourceSafe Tag:', f'{self.SourceSafeRel:02d}'], padd, False)
printer(['Description :', description], padd, False)
class DisHeader(ctypes.LittleEndianStructure):
""" DIS Header """
_pack_ = 1
_fields_ = [
('PasswordSize', uint16_t), # 0x00
('EntryCount', uint16_t), # 0x02
('Password', char*12), # 0x04
('PasswordSize', UInt16), # 0x00
('EntryCount', UInt16), # 0x02
('Password', Char * 12), # 0x04
# 0x10
]
def struct_print(self, p):
printer(['Password Size:', f'0x{self.PasswordSize:X}'], p, False)
printer(['Entry Count :', self.EntryCount], p, False)
printer(['Password :', self.Password.decode('utf-8')], p, False)
def struct_print(self, padd):
""" Display structure information """
printer(['Password Size:', f'0x{self.PasswordSize:X}'], padd, False)
printer(['Entry Count :', self.EntryCount], padd, False)
printer(['Password :', self.Password.decode('utf-8')], padd, False)
class DisModule(ctypes.LittleEndianStructure):
""" DIS Module """
_pack_ = 1
_fields_ = [
('EnabledDisabled', uint8_t), # 0x00
('ShownHidden', uint8_t), # 0x01
('Command', char*32), # 0x02
('Description', char*256), # 0x22
('EnabledDisabled', UInt8), # 0x00
('ShownHidden', UInt8), # 0x01
('Command', Char * 32), # 0x02
('Description', Char * 256), # 0x22
# 0x122
]
ENDIS = {0: 'Disabled', 1: 'Enabled'}
SHOWN = {0: 'Hidden', 1: 'Shown', 2: 'Shown Only'}
def struct_print(self, p):
EnabledDisabled = self.ENDIS.get(self.EnabledDisabled, f'Unknown ({self.EnabledDisabled})')
ShownHidden = self.SHOWN.get(self.ShownHidden, f'Unknown ({self.ShownHidden})')
printer(['State :', EnabledDisabled], p, False)
printer(['Display :', ShownHidden], p, False)
printer(['Command :', self.Command.decode('utf-8').strip()], p, False)
printer(['Description:', self.Description.decode('utf-8').strip()], p, False)
# Validate UCP Module Checksum-16
def struct_print(self, padd):
""" Display structure information """
enabled_disabled = self.ENDIS.get(self.EnabledDisabled, f'Unknown ({self.EnabledDisabled})')
shown_hidden = self.SHOWN.get(self.ShownHidden, f'Unknown ({self.ShownHidden})')
printer(['State :', enabled_disabled], padd, False)
printer(['Display :', shown_hidden], padd, False)
printer(['Command :', self.Command.decode('utf-8').strip()], padd, False)
printer(['Description:', self.Description.decode('utf-8').strip()], padd, False)
def chk16_validate(data, tag, padd=0):
""" Validate UCP Module Checksum-16 """
if get_chk_16(data) != 0:
printer(f'Error: Invalid UCP Module {tag} Checksum!', padd, pause=True)
else:
printer(f'Checksum of UCP Module {tag} is valid!', padd)
# Check if input is AMI UCP image
def is_ami_ucp(in_file):
""" Check if input is AMI UCP image """
buffer = file_to_bytes(in_file)
return bool(get_ami_ucp(buffer)[0] is not None)
# Get all input file AMI UCP patterns
def get_ami_ucp(in_file):
""" Get all input file AMI UCP patterns """
buffer = file_to_bytes(in_file)
uaf_len_max = 0x0 # Length of largest detected @UAF|@HPU
uaf_buf_bin = None # Buffer of largest detected @UAF|@HPU
uaf_buf_tag = '@UAF' # Tag of largest detected @UAF|@HPU
uaf_len_max = 0x0 # Length of largest detected @UAF|@HPU
uaf_buf_bin = None # Buffer of largest detected @UAF|@HPU
uaf_buf_tag = '@UAF' # Tag of largest detected @UAF|@HPU
for uaf in PAT_AMI_UCP.finditer(buffer):
uaf_len_cur = int.from_bytes(buffer[uaf.start() + 0x4:uaf.start() + 0x8], 'little')
if uaf_len_cur > uaf_len_max:
uaf_len_max = uaf_len_cur
uaf_hdr_off = uaf.start()
uaf_buf_bin = buffer[uaf_hdr_off:uaf_hdr_off + uaf_len_max]
uaf_buf_tag = uaf.group(0)[:4].decode('utf-8','ignore')
uaf_buf_tag = uaf.group(0)[:4].decode('utf-8', 'ignore')
return uaf_buf_bin, uaf_buf_tag
# Get list of @UAF|@HPU Modules
def get_uaf_mod(buffer, uaf_off=0x0):
uaf_all = [] # Initialize list of all @UAF|@HPU Modules
while buffer[uaf_off] == 0x40: # ASCII of @ is 0x40
uaf_hdr = get_struct(buffer, uaf_off, UafHeader) # Parse @UAF|@HPU Module Structure
uaf_tag = uaf_hdr.ModuleTag.decode('utf-8') # Get unique @UAF|@HPU Module Tag
uaf_all.append([uaf_tag, uaf_off, uaf_hdr]) # Store @UAF|@HPU Module Info
uaf_off += uaf_hdr.ModuleSize # Adjust to next @UAF|@HPU Module offset
""" Get list of @UAF|@HPU Modules """
uaf_all = [] # Initialize list of all @UAF|@HPU Modules
while buffer[uaf_off] == 0x40: # ASCII of @ is 0x40
uaf_hdr = get_struct(buffer, uaf_off, UafHeader) # Parse @UAF|@HPU Module Structure
uaf_tag = uaf_hdr.ModuleTag.decode('utf-8') # Get unique @UAF|@HPU Module Tag
uaf_all.append([uaf_tag, uaf_off, uaf_hdr]) # Store @UAF|@HPU Module Info
uaf_off += uaf_hdr.ModuleSize # Adjust to next @UAF|@HPU Module offset
if uaf_off >= len(buffer):
break # Stop parsing at EOF
break # Stop parsing at EOF
# Check if @UAF|@HPU Module @NAL exists and place it first
# Parsing @NAL first allows naming all @UAF|@HPU Modules
for mod_idx,mod_val in enumerate(uaf_all):
for mod_idx, mod_val in enumerate(uaf_all):
if mod_val[0] == '@NAL':
uaf_all.insert(1, uaf_all.pop(mod_idx)) # After UII for visual purposes
break # @NAL found, skip the rest
uaf_all.insert(1, uaf_all.pop(mod_idx)) # After UII for visual purposes
break # @NAL found, skip the rest
return uaf_all
# Parse & Extract AMI UCP structures
def ucp_extract(in_file, extract_path, padding=0, checksum=False):
""" Parse & Extract AMI UCP structures """
input_buffer = file_to_bytes(in_file)
nal_dict = {} # Initialize @NAL Dictionary per UCP
nal_dict = {} # Initialize @NAL Dictionary per UCP
printer('Utility Configuration Program', padding)
make_dirs(extract_path, delete=True)
# Get best AMI UCP Pattern match based on @UAF|@HPU Size
ucp_buffer,ucp_tag = get_ami_ucp(input_buffer)
uaf_hdr = get_struct(ucp_buffer, 0, UafHeader) # Parse @UAF|@HPU Header Structure
ucp_buffer, ucp_tag = get_ami_ucp(input_buffer)
uaf_hdr = get_struct(ucp_buffer, 0, UafHeader) # Parse @UAF|@HPU Header Structure
printer(f'Utility Auxiliary File > {ucp_tag}:\n', padding + 4)
uaf_hdr.struct_print(padding + 8)
fake = struct.pack('<II', len(ucp_buffer), len(ucp_buffer)) # Generate UafModule Structure
uaf_mod = get_struct(fake, 0x0, UafModule) # Parse @UAF|@HPU Module EFI Structure
uaf_name = UAF_TAG_DICT[ucp_tag][0] # Get @UAF|@HPU Module Filename
uaf_desc = UAF_TAG_DICT[ucp_tag][1] # Get @UAF|@HPU Module Description
uaf_mod.struct_print(padding + 8, uaf_name, uaf_desc) # Print @UAF|@HPU Module EFI Info
fake = struct.pack('<II', len(ucp_buffer), len(ucp_buffer)) # Generate UafModule Structure
uaf_mod = get_struct(fake, 0x0, UafModule) # Parse @UAF|@HPU Module EFI Structure
uaf_name = UAF_TAG_DICT[ucp_tag][0] # Get @UAF|@HPU Module Filename
uaf_desc = UAF_TAG_DICT[ucp_tag][1] # Get @UAF|@HPU Module Description
uaf_mod.struct_print(padding + 8, uaf_name, uaf_desc) # Print @UAF|@HPU Module EFI Info
if checksum:
chk16_validate(ucp_buffer, ucp_tag, padding + 8)
uaf_all = get_uaf_mod(ucp_buffer, UAF_HDR_LEN)
for mod_info in uaf_all:
nal_dict = uaf_extract(ucp_buffer, extract_path, mod_info, padding + 8, checksum, nal_dict)
# Parse & Extract AMI UCP > @UAF|@HPU Module/Section
def uaf_extract(buffer, extract_path, mod_info, padding=0, checksum=False, nal_dict=None):
""" Parse & Extract AMI UCP > @UAF|@HPU Module/Section """
if nal_dict is None:
nal_dict = {}
uaf_tag,uaf_off,uaf_hdr = mod_info
uaf_data_all = buffer[uaf_off:uaf_off + uaf_hdr.ModuleSize] # @UAF|@HPU Module Entire Data
uaf_data_mod = uaf_data_all[UAF_HDR_LEN:] # @UAF|@HPU Module EFI Data
uaf_data_raw = uaf_data_mod[UAF_MOD_LEN:] # @UAF|@HPU Module Raw Data
uaf_tag, uaf_off, uaf_hdr = mod_info
uaf_data_all = buffer[uaf_off:uaf_off + uaf_hdr.ModuleSize] # @UAF|@HPU Module Entire Data
uaf_data_mod = uaf_data_all[UAF_HDR_LEN:] # @UAF|@HPU Module EFI Data
uaf_data_raw = uaf_data_mod[UAF_MOD_LEN:] # @UAF|@HPU Module Raw Data
printer(f'Utility Auxiliary File > {uaf_tag}:\n', padding)
uaf_hdr.struct_print(padding + 4) # Print @UAF|@HPU Module Info
uaf_mod = get_struct(buffer, uaf_off + UAF_HDR_LEN, UafModule) # Parse UAF Module EFI Structure
is_comp = uaf_mod.CompressSize != uaf_mod.OriginalSize # Detect @UAF|@HPU Module EFI Compression
uaf_hdr.struct_print(padding + 4) # Print @UAF|@HPU Module Info
uaf_mod = get_struct(buffer, uaf_off + UAF_HDR_LEN, UafModule) # Parse UAF Module EFI Structure
is_comp = uaf_mod.CompressSize != uaf_mod.OriginalSize # Detect @UAF|@HPU Module EFI Compression
if uaf_tag in nal_dict:
uaf_name = nal_dict[uaf_tag][1] # Always prefer @NAL naming first
uaf_name = nal_dict[uaf_tag][1] # Always prefer @NAL naming first
elif uaf_tag in UAF_TAG_DICT:
uaf_name = UAF_TAG_DICT[uaf_tag][0] # Otherwise use built-in naming
uaf_name = UAF_TAG_DICT[uaf_tag][0] # Otherwise use built-in naming
elif uaf_tag == '@ROM':
uaf_name = 'BIOS.bin' # BIOS/PFAT Firmware (w/o Signature)
uaf_name = 'BIOS.bin' # BIOS/PFAT Firmware (w/o Signature)
elif uaf_tag.startswith('@R0'):
uaf_name = f'BIOS_0{uaf_tag[3:]}.bin' # BIOS/PFAT Firmware
uaf_name = f'BIOS_0{uaf_tag[3:]}.bin' # BIOS/PFAT Firmware
elif uaf_tag.startswith('@S0'):
uaf_name = f'BIOS_0{uaf_tag[3:]}.sig' # BIOS/PFAT Signature
uaf_name = f'BIOS_0{uaf_tag[3:]}.sig' # BIOS/PFAT Signature
elif uaf_tag.startswith('@DR'):
uaf_name = f'DROM_0{uaf_tag[3:]}.bin' # Thunderbolt Retimer Firmware
uaf_name = f'DROM_0{uaf_tag[3:]}.bin' # Thunderbolt Retimer Firmware
elif uaf_tag.startswith('@DS'):
uaf_name = f'DROM_0{uaf_tag[3:]}.sig' # Thunderbolt Retimer Signature
uaf_name = f'DROM_0{uaf_tag[3:]}.sig' # Thunderbolt Retimer Signature
elif uaf_tag.startswith('@EC'):
uaf_name = f'EC_0{uaf_tag[3:]}.bin' # Embedded Controller Firmware
uaf_name = f'EC_0{uaf_tag[3:]}.bin' # Embedded Controller Firmware
elif uaf_tag.startswith('@ME'):
uaf_name = f'ME_0{uaf_tag[3:]}.bin' # Management Engine Firmware
uaf_name = f'ME_0{uaf_tag[3:]}.bin' # Management Engine Firmware
else:
uaf_name = uaf_tag # Could not name the @UAF|@HPU Module, use Tag instead
uaf_name = uaf_tag # Could not name the @UAF|@HPU Module, use Tag instead
uaf_fext = '' if uaf_name != uaf_tag else '.bin'
uaf_fdesc = UAF_TAG_DICT[uaf_tag][1] if uaf_tag in UAF_TAG_DICT else uaf_name
uaf_mod.struct_print(padding + 4, uaf_name + uaf_fext, uaf_fdesc) # Print @UAF|@HPU Module EFI Info
uaf_mod.struct_print(padding + 4, uaf_name + uaf_fext, uaf_fdesc) # Print @UAF|@HPU Module EFI Info
# Check if unknown @UAF|@HPU Module Tag is present in @NAL but not in built-in dictionary
if uaf_tag in nal_dict and uaf_tag not in UAF_TAG_DICT and not uaf_tag.startswith(('@ROM','@R0','@S0','@DR','@DS')):
printer(f'Note: Detected new AMI UCP Module {uaf_tag} ({nal_dict[uaf_tag][1]}) in @NAL!', padding + 4, pause=True)
if uaf_tag in nal_dict and uaf_tag not in UAF_TAG_DICT and \
not uaf_tag.startswith(('@ROM', '@R0', '@S0', '@DR', '@DS')):
printer(f'Note: Detected new AMI UCP Module {uaf_tag} ({nal_dict[uaf_tag][1]}) in @NAL!',
padding + 4, pause=True)
# Generate @UAF|@HPU Module File name, depending on whether decompression will be required
uaf_sname = safe_name(uaf_name + ('.temp' if is_comp else uaf_fext))
if uaf_tag in nal_dict:
uaf_npath = safe_path(extract_path, nal_dict[uaf_tag][0])
make_dirs(uaf_npath, exist_ok=True)
uaf_fname = safe_path(uaf_npath, uaf_sname)
else:
uaf_fname = safe_path(extract_path, uaf_sname)
if checksum:
chk16_validate(uaf_data_all, uaf_tag, padding + 4)
# Parse Utility Identification Information @UAF|@HPU Module (@UII)
if uaf_tag == '@UII':
info_hdr = get_struct(uaf_data_raw, 0, UiiHeader) # Parse @UII Module Raw Structure
info_data = uaf_data_raw[max(UII_HDR_LEN,info_hdr.InfoSize):info_hdr.UIISize] # @UII Module Info Data
info_hdr = get_struct(uaf_data_raw, 0, UiiHeader) # Parse @UII Module Raw Structure
info_data = uaf_data_raw[max(UII_HDR_LEN, info_hdr.InfoSize):info_hdr.UIISize] # @UII Module Info Data
# Get @UII Module Info/Description text field
info_desc = info_data.decode('utf-8','ignore').strip('\x00 ')
info_desc = info_data.decode('utf-8', 'ignore').strip('\x00 ')
printer('Utility Identification Information:\n', padding + 4)
info_hdr.struct_print(padding + 8, info_desc) # Print @UII Module Info
info_hdr.struct_print(padding + 8, info_desc) # Print @UII Module Info
if checksum:
chk16_validate(uaf_data_raw, '@UII > Info', padding + 8)
# Store/Save @UII Module Info in file
with open(uaf_fname[:-4] + '.txt', 'a', encoding='utf-8') as uii_out:
with contextlib.redirect_stdout(uii_out):
info_hdr.struct_print(0, info_desc) # Store @UII Module Info
info_hdr.struct_print(0, info_desc) # Store @UII Module Info
# Adjust @UAF|@HPU Module Raw Data for extraction
if is_comp:
# Some Compressed @UAF|@HPU Module EFI data lack necessary EOF padding
if uaf_mod.CompressSize > len(uaf_data_raw):
comp_padd = b'\x00' * (uaf_mod.CompressSize - len(uaf_data_raw))
uaf_data_raw = uaf_data_mod[:UAF_MOD_LEN] + uaf_data_raw + comp_padd # Add missing padding for decompression
# Add missing padding for decompression
uaf_data_raw = uaf_data_mod[:UAF_MOD_LEN] + uaf_data_raw + comp_padd
else:
uaf_data_raw = uaf_data_mod[:UAF_MOD_LEN] + uaf_data_raw # Add the EFI/Tiano Compression info before Raw Data
# Add the EFI/Tiano Compression info before Raw Data
uaf_data_raw = uaf_data_mod[:UAF_MOD_LEN] + uaf_data_raw
else:
uaf_data_raw = uaf_data_raw[:uaf_mod.OriginalSize] # No compression, extend to end of Original @UAF|@HPU Module size
# No compression, extend to end of Original @UAF|@HPU Module size
uaf_data_raw = uaf_data_raw[:uaf_mod.OriginalSize]
# Store/Save @UAF|@HPU Module file
if uaf_tag != '@UII': # Skip @UII binary, already parsed
if uaf_tag != '@UII': # Skip @UII binary, already parsed
with open(uaf_fname, 'wb') as uaf_out:
uaf_out.write(uaf_data_raw)
# @UAF|@HPU Module EFI/Tiano Decompression
if is_comp and is_efi_compressed(uaf_data_raw, False):
dec_fname = uaf_fname.replace('.temp', uaf_fext) # Decompressed @UAF|@HPU Module file path
dec_fname = uaf_fname.replace('.temp', uaf_fext) # Decompressed @UAF|@HPU Module file path
if efi_decompress(uaf_fname, dec_fname, padding + 4) == 0:
with open(dec_fname, 'rb') as dec:
uaf_data_raw = dec.read() # Read back the @UAF|@HPU Module decompressed Raw data
os.remove(uaf_fname) # Successful decompression, delete compressed @UAF|@HPU Module file
uaf_fname = dec_fname # Adjust @UAF|@HPU Module file path to the decompressed one
uaf_data_raw = dec.read() # Read back the @UAF|@HPU Module decompressed Raw data
os.remove(uaf_fname) # Successful decompression, delete compressed @UAF|@HPU Module file
uaf_fname = dec_fname # Adjust @UAF|@HPU Module file path to the decompressed one
# Process and Print known text only @UAF|@HPU Modules (after EFI/Tiano Decompression)
if uaf_tag in UAF_TAG_DICT and UAF_TAG_DICT[uaf_tag][2] == 'Text':
printer(f'{UAF_TAG_DICT[uaf_tag][1]}:', padding + 4)
printer(uaf_data_raw.decode('utf-8','ignore'), padding + 8)
printer(uaf_data_raw.decode('utf-8', 'ignore'), padding + 8)
# Parse Default Command Status @UAF|@HPU Module (@DIS)
if len(uaf_data_raw) and uaf_tag == '@DIS':
dis_hdr = get_struct(uaf_data_raw, 0x0, DisHeader) # Parse @DIS Module Raw Header Structure
dis_hdr = get_struct(uaf_data_raw, 0x0, DisHeader) # Parse @DIS Module Raw Header Structure
printer('Default Command Status Header:\n', padding + 4)
dis_hdr.struct_print(padding + 8) # Print @DIS Module Raw Header Info
dis_hdr.struct_print(padding + 8) # Print @DIS Module Raw Header Info
# Store/Save @DIS Module Header Info in file
with open(uaf_fname[:-3] + 'txt', 'a', encoding='utf-8') as dis:
with contextlib.redirect_stdout(dis):
dis_hdr.struct_print(0) # Store @DIS Module Header Info
dis_data = uaf_data_raw[DIS_HDR_LEN:] # @DIS Module Entries Data
dis_hdr.struct_print(0) # Store @DIS Module Header Info
dis_data = uaf_data_raw[DIS_HDR_LEN:] # @DIS Module Entries Data
# Parse all @DIS Module Entries
for mod_idx in range(dis_hdr.EntryCount):
dis_mod = get_struct(dis_data, mod_idx * DIS_MOD_LEN, DisModule) # Parse @DIS Module Raw Entry Structure
dis_mod = get_struct(dis_data, mod_idx * DIS_MOD_LEN, DisModule) # Parse @DIS Module Raw Entry Structure
printer(f'Default Command Status Entry {mod_idx + 1:02d}/{dis_hdr.EntryCount:02d}:\n', padding + 8)
dis_mod.struct_print(padding + 12) # Print @DIS Module Raw Entry Info
dis_mod.struct_print(padding + 12) # Print @DIS Module Raw Entry Info
# Store/Save @DIS Module Entry Info in file
with open(uaf_fname[:-3] + 'txt', 'a', encoding='utf-8') as dis:
with contextlib.redirect_stdout(dis):
printer()
dis_mod.struct_print(4) # Store @DIS Module Entry Info
os.remove(uaf_fname) # Delete @DIS Module binary, info exported as text
dis_mod.struct_print(4) # Store @DIS Module Entry Info
os.remove(uaf_fname) # Delete @DIS Module binary, info exported as text
# Parse Name List @UAF|@HPU Module (@NAL)
if len(uaf_data_raw) >= 5 and (uaf_tag,uaf_data_raw[0],uaf_data_raw[4]) == ('@NAL',0x40,0x3A):
nal_info = uaf_data_raw.decode('utf-8','ignore').replace('\r','').strip().split('\n')
if len(uaf_data_raw) >= 5 and (uaf_tag, uaf_data_raw[0], uaf_data_raw[4]) == ('@NAL', 0x40, 0x3A):
nal_info = uaf_data_raw.decode('utf-8', 'ignore').replace('\r', '').strip().split('\n')
printer('AMI UCP Module Name List:\n', padding + 4)
# Parse all @NAL Module Entries
for info in nal_info:
info_tag,info_value = info.split(':',1)
printer(f'{info_tag} : {info_value}', padding + 8, False) # Print @NAL Module Tag-Path Info
info_part = agnostic_path(info_value).parts # Split OS agnostic path in parts
info_path = to_string(info_part[1:-1], os.sep) # Get path without drive/root or file
info_name = info_part[-1] # Get file from last path part
nal_dict[info_tag] = (info_path,info_name) # Assign a file path & name to each Tag
info_tag, info_value = info.split(':', 1)
printer(f'{info_tag} : {info_value}', padding + 8, False) # Print @NAL Module Tag-Path Info
info_part = agnostic_path(info_value).parts # Split OS agnostic path in parts
info_path = to_string(info_part[1:-1], os.sep) # Get path without drive/root or file
info_name = info_part[-1] # Get file from last path part
nal_dict[info_tag] = (info_path, info_name) # Assign a file path & name to each Tag
# Parse Insyde BIOS @UAF|@HPU Module (@INS)
if uaf_tag == '@INS' and is_insyde_ifd(uaf_fname):
ins_dir = os.path.join(extract_path, safe_name(f'{uaf_tag}_nested-IFD')) # Generate extraction directory
ins_dir = os.path.join(extract_path, safe_name(f'{uaf_tag}_nested-IFD')) # Generate extraction directory
if insyde_ifd_extract(uaf_fname, get_extract_path(ins_dir), padding + 4) == 0:
os.remove(uaf_fname) # Delete raw nested Insyde IFD image after successful extraction
os.remove(uaf_fname) # Delete raw nested Insyde IFD image after successful extraction
# Detect & Unpack AMI BIOS Guard (PFAT) BIOS image
if is_ami_pfat(uaf_data_raw):
pfat_dir = os.path.join(extract_path, safe_name(uaf_name))
parse_pfat_file(uaf_data_raw, get_extract_path(pfat_dir), padding + 4)
os.remove(uaf_fname) # Delete raw PFAT BIOS image after successful extraction
os.remove(uaf_fname) # Delete raw PFAT BIOS image after successful extraction
# Detect Intel Engine firmware image and show ME Analyzer advice
if uaf_tag.startswith('@ME') and PAT_INTEL_ENG.search(uaf_data_raw):
printer('Intel Management Engine (ME) Firmware:\n', padding + 4)
printer('Use "ME Analyzer" from https://github.com/platomav/MEAnalyzer', padding + 8, False)
# Parse Nested AMI UCP image
if is_ami_ucp(uaf_data_raw):
uaf_dir = os.path.join(extract_path, safe_name(f'{uaf_tag}_nested-UCP')) # Generate extraction directory
ucp_extract(uaf_data_raw, get_extract_path(uaf_dir), padding + 4, checksum) # Call recursively
os.remove(uaf_fname) # Delete raw nested AMI UCP image after successful extraction
uaf_dir = os.path.join(extract_path, safe_name(f'{uaf_tag}_nested-UCP')) # Generate extraction directory
ucp_extract(uaf_data_raw, get_extract_path(uaf_dir), padding + 4, checksum) # Call recursively
os.remove(uaf_fname) # Delete raw nested AMI UCP image after successful extraction
return nal_dict
# Get common ctypes Structure Sizes
UAF_HDR_LEN = ctypes.sizeof(UafHeader)
UAF_MOD_LEN = ctypes.sizeof(UafModule)
@ -453,63 +505,66 @@ UII_HDR_LEN = ctypes.sizeof(UiiHeader)
# AMI UCP Tag Dictionary
UAF_TAG_DICT = {
'@3FI' : ['HpBiosUpdate32.efi', 'HpBiosUpdate32.efi', ''],
'@3S2' : ['HpBiosUpdate32.s12', 'HpBiosUpdate32.s12', ''],
'@3S4' : ['HpBiosUpdate32.s14', 'HpBiosUpdate32.s14', ''],
'@3S9' : ['HpBiosUpdate32.s09', 'HpBiosUpdate32.s09', ''],
'@3SG' : ['HpBiosUpdate32.sig', 'HpBiosUpdate32.sig', ''],
'@AMI' : ['UCP_Nested.bin', 'Nested AMI UCP', ''],
'@B12' : ['BiosMgmt.s12', 'BiosMgmt.s12', ''],
'@B14' : ['BiosMgmt.s14', 'BiosMgmt.s14', ''],
'@B32' : ['BiosMgmt32.s12', 'BiosMgmt32.s12', ''],
'@B34' : ['BiosMgmt32.s14', 'BiosMgmt32.s14', ''],
'@B39' : ['BiosMgmt32.s09', 'BiosMgmt32.s09', ''],
'@B3E' : ['BiosMgmt32.efi', 'BiosMgmt32.efi', ''],
'@BM9' : ['BiosMgmt.s09', 'BiosMgmt.s09', ''],
'@BME' : ['BiosMgmt.efi', 'BiosMgmt.efi', ''],
'@CKV' : ['Check_Version.txt', 'Check Version', 'Text'],
'@CMD' : ['AFU_Command.txt', 'AMI AFU Command', 'Text'],
'@CML' : ['CMOSD4.txt', 'CMOS Item Number-Value (MSI)', 'Text'],
'@CMS' : ['CMOSD4.exe', 'Get or Set CMOS Item (MSI)', ''],
'@CPM' : ['AC_Message.txt', 'Confirm Power Message', ''],
'@DCT' : ['DevCon32.exe', 'Device Console WIN32', ''],
'@DCX' : ['DevCon64.exe', 'Device Console WIN64', ''],
'@DFE' : ['HpDevFwUpdate.efi', 'HpDevFwUpdate.efi', ''],
'@DFS' : ['HpDevFwUpdate.s12', 'HpDevFwUpdate.s12', ''],
'@DIS' : ['Command_Status.bin', 'Default Command Status', ''],
'@ENB' : ['ENBG64.exe', 'ENBG64.exe', ''],
'@HPU' : ['UCP_Main.bin', 'Utility Auxiliary File (HP)', ''],
'@INS' : ['Insyde_Nested.bin', 'Nested Insyde SFX', ''],
'@M32' : ['HpBiosMgmt32.s12', 'HpBiosMgmt32.s12', ''],
'@M34' : ['HpBiosMgmt32.s14', 'HpBiosMgmt32.s14', ''],
'@M39' : ['HpBiosMgmt32.s09', 'HpBiosMgmt32.s09', ''],
'@M3I' : ['HpBiosMgmt32.efi', 'HpBiosMgmt32.efi', ''],
'@MEC' : ['FWUpdLcl.txt', 'Intel FWUpdLcl Command', 'Text'],
'@MED' : ['FWUpdLcl_DOS.exe', 'Intel FWUpdLcl DOS', ''],
'@MET' : ['FWUpdLcl_WIN32.exe', 'Intel FWUpdLcl WIN32', ''],
'@MFI' : ['HpBiosMgmt.efi', 'HpBiosMgmt.efi', ''],
'@MS2' : ['HpBiosMgmt.s12', 'HpBiosMgmt.s12', ''],
'@MS4' : ['HpBiosMgmt.s14', 'HpBiosMgmt.s14', ''],
'@MS9' : ['HpBiosMgmt.s09', 'HpBiosMgmt.s09', ''],
'@NAL' : ['UCP_List.txt', 'AMI UCP Module Name List', ''],
'@OKM' : ['OK_Message.txt', 'OK Message', ''],
'@PFC' : ['BGT_Command.txt', 'AMI BGT Command', 'Text'],
'@R3I' : ['CryptRSA32.efi', 'CryptRSA32.efi', ''],
'@RFI' : ['CryptRSA.efi', 'CryptRSA.efi', ''],
'@UAF' : ['UCP_Main.bin', 'Utility Auxiliary File (AMI)', ''],
'@UFI' : ['HpBiosUpdate.efi', 'HpBiosUpdate.efi', ''],
'@UII' : ['UCP_Info.txt', 'Utility Identification Information', ''],
'@US2' : ['HpBiosUpdate.s12', 'HpBiosUpdate.s12', ''],
'@US4' : ['HpBiosUpdate.s14', 'HpBiosUpdate.s14', ''],
'@US9' : ['HpBiosUpdate.s09', 'HpBiosUpdate.s09', ''],
'@USG' : ['HpBiosUpdate.sig', 'HpBiosUpdate.sig', ''],
'@VER' : ['OEM_Version.txt', 'OEM Version', 'Text'],
'@VXD' : ['amifldrv.vxd', 'amifldrv.vxd', ''],
'@W32' : ['amifldrv32.sys', 'amifldrv32.sys', ''],
'@W64' : ['amifldrv64.sys', 'amifldrv64.sys', ''],
'@3FI': ['HpBiosUpdate32.efi', 'HpBiosUpdate32.efi', ''],
'@3S2': ['HpBiosUpdate32.s12', 'HpBiosUpdate32.s12', ''],
'@3S4': ['HpBiosUpdate32.s14', 'HpBiosUpdate32.s14', ''],
'@3S9': ['HpBiosUpdate32.s09', 'HpBiosUpdate32.s09', ''],
'@3SG': ['HpBiosUpdate32.sig', 'HpBiosUpdate32.sig', ''],
'@AMI': ['UCP_Nested.bin', 'Nested AMI UCP', ''],
'@B12': ['BiosMgmt.s12', 'BiosMgmt.s12', ''],
'@B14': ['BiosMgmt.s14', 'BiosMgmt.s14', ''],
'@B32': ['BiosMgmt32.s12', 'BiosMgmt32.s12', ''],
'@B34': ['BiosMgmt32.s14', 'BiosMgmt32.s14', ''],
'@B39': ['BiosMgmt32.s09', 'BiosMgmt32.s09', ''],
'@B3E': ['BiosMgmt32.efi', 'BiosMgmt32.efi', ''],
'@BM9': ['BiosMgmt.s09', 'BiosMgmt.s09', ''],
'@BME': ['BiosMgmt.efi', 'BiosMgmt.efi', ''],
'@CKV': ['Check_Version.txt', 'Check Version', 'Text'],
'@CMD': ['AFU_Command.txt', 'AMI AFU Command', 'Text'],
'@CML': ['CMOSD4.txt', 'CMOS Item Number-Value (MSI)', 'Text'],
'@CMS': ['CMOSD4.exe', 'Get or Set CMOS Item (MSI)', ''],
'@CPM': ['AC_Message.txt', 'Confirm Power Message', ''],
'@DCT': ['DevCon32.exe', 'Device Console WIN32', ''],
'@DCX': ['DevCon64.exe', 'Device Console WIN64', ''],
'@DFE': ['HpDevFwUpdate.efi', 'HpDevFwUpdate.efi', ''],
'@DFS': ['HpDevFwUpdate.s12', 'HpDevFwUpdate.s12', ''],
'@DIS': ['Command_Status.bin', 'Default Command Status', ''],
'@ENB': ['ENBG64.exe', 'ENBG64.exe', ''],
'@HPU': ['UCP_Main.bin', 'Utility Auxiliary File (HP)', ''],
'@INS': ['Insyde_Nested.bin', 'Nested Insyde SFX', ''],
'@M32': ['HpBiosMgmt32.s12', 'HpBiosMgmt32.s12', ''],
'@M34': ['HpBiosMgmt32.s14', 'HpBiosMgmt32.s14', ''],
'@M39': ['HpBiosMgmt32.s09', 'HpBiosMgmt32.s09', ''],
'@M3I': ['HpBiosMgmt32.efi', 'HpBiosMgmt32.efi', ''],
'@MEC': ['FWUpdLcl.txt', 'Intel FWUpdLcl Command', 'Text'],
'@MED': ['FWUpdLcl_DOS.exe', 'Intel FWUpdLcl DOS', ''],
'@MET': ['FWUpdLcl_WIN32.exe', 'Intel FWUpdLcl WIN32', ''],
'@MFI': ['HpBiosMgmt.efi', 'HpBiosMgmt.efi', ''],
'@MS2': ['HpBiosMgmt.s12', 'HpBiosMgmt.s12', ''],
'@MS4': ['HpBiosMgmt.s14', 'HpBiosMgmt.s14', ''],
'@MS9': ['HpBiosMgmt.s09', 'HpBiosMgmt.s09', ''],
'@NAL': ['UCP_List.txt', 'AMI UCP Module Name List', ''],
'@OKM': ['OK_Message.txt', 'OK Message', ''],
'@PFC': ['BGT_Command.txt', 'AMI BGT Command', 'Text'],
'@R3I': ['CryptRSA32.efi', 'CryptRSA32.efi', ''],
'@RFI': ['CryptRSA.efi', 'CryptRSA.efi', ''],
'@UAF': ['UCP_Main.bin', 'Utility Auxiliary File (AMI)', ''],
'@UFI': ['HpBiosUpdate.efi', 'HpBiosUpdate.efi', ''],
'@UII': ['UCP_Info.txt', 'Utility Identification Information', ''],
'@US2': ['HpBiosUpdate.s12', 'HpBiosUpdate.s12', ''],
'@US4': ['HpBiosUpdate.s14', 'HpBiosUpdate.s14', ''],
'@US9': ['HpBiosUpdate.s09', 'HpBiosUpdate.s09', ''],
'@USG': ['HpBiosUpdate.sig', 'HpBiosUpdate.sig', ''],
'@VER': ['OEM_Version.txt', 'OEM Version', 'Text'],
'@VXD': ['amifldrv.vxd', 'amifldrv.vxd', ''],
'@W32': ['amifldrv32.sys', 'amifldrv32.sys', ''],
'@W64': ['amifldrv64.sys', 'amifldrv64.sys', ''],
'@D64': ['amifldrv64.sys', 'amifldrv64.sys', ''],
}
if __name__ == '__main__':
utility = BIOSUtility(TITLE, is_ami_ucp, ucp_extract)
utility.parse_argument('-c', '--checksum', help='verify AMI UCP Checksums (slow)', action='store_true')
utility_args = [(['-c', '--checksum'], {'help': 'verify AMI UCP Checksums (slow)', 'action': 'store_true'})]
utility = BIOSUtility(title=TITLE, check=is_ami_ucp, main=ucp_extract, args=utility_args)
utility.run_utility()

230
Apple_EFI_ID.py
View file

@ -1,167 +1,181 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Apple EFI ID
Apple EFI Image Identifier
Copyright (C) 2018-2022 Plato Mavropoulos
Copyright (C) 2018-2024 Plato Mavropoulos
"""
TITLE = 'Apple EFI Image Identifier v2.0_a5'
import os
import sys
import zlib
import struct
import ctypes
import logging
import os
import struct
import subprocess
import zlib
# Stop __pycache__ generation
sys.dont_write_bytecode = True
from common.externals import get_uefifind_path, get_uefiextract_path
from common.externals import get_uefiextract_path, get_uefifind_path
from common.path_ops import del_dirs, path_parent, path_suffixes
from common.patterns import PAT_APPLE_EFI
from common.struct_ops import char, get_struct, uint8_t
from common.struct_ops import Char, get_struct, UInt8
from common.system import printer
from common.templates import BIOSUtility
from common.text_ops import file_to_bytes
TITLE = 'Apple EFI Image Identifier v3.0'
class IntelBiosId(ctypes.LittleEndianStructure):
""" Intel BIOS ID Structure """
_pack_ = 1
_fields_ = [
('Signature', char*8), # 0x00
('BoardID', uint8_t*16), # 0x08
('Dot1', uint8_t*2), # 0x18
('BoardExt', uint8_t*6), # 0x1A
('Dot2', uint8_t*2), # 0x20
('VersionMajor', uint8_t*8), # 0x22
('Dot3', uint8_t*2), # 0x2A
('BuildType', uint8_t*2), # 0x2C
('VersionMinor', uint8_t*4), # 0x2E
('Dot4', uint8_t*2), # 0x32
('Year', uint8_t*4), # 0x34
('Month', uint8_t*4), # 0x38
('Day', uint8_t*4), # 0x3C
('Hour', uint8_t*4), # 0x40
('Minute', uint8_t*4), # 0x44
('NullTerminator', uint8_t*2), # 0x48
('Signature', Char * 8), # 0x00
('BoardID', UInt8 * 16), # 0x08
('Dot1', UInt8 * 2), # 0x18
('BoardExt', UInt8 * 6), # 0x1A
('Dot2', UInt8 * 2), # 0x20
('VersionMajor', UInt8 * 8), # 0x22
('Dot3', UInt8 * 2), # 0x2A
('BuildType', UInt8 * 2), # 0x2C
('VersionMinor', UInt8 * 4), # 0x2E
('Dot4', UInt8 * 2), # 0x32
('Year', UInt8 * 4), # 0x34
('Month', UInt8 * 4), # 0x38
('Day', UInt8 * 4), # 0x3C
('Hour', UInt8 * 4), # 0x40
('Minute', UInt8 * 4), # 0x44
('NullTerminator', UInt8 * 2), # 0x48
# 0x4A
]
# https://github.com/tianocore/edk2-platforms/blob/master/Platform/Intel/BoardModulePkg/Include/Guid/BiosId.h
@staticmethod
def decode(field):
return struct.pack('B' * len(field), *field).decode('utf-16','ignore').strip('\x00 ')
def get_bios_id(self):
BoardID = self.decode(self.BoardID)
BoardExt = self.decode(self.BoardExt)
VersionMajor = self.decode(self.VersionMajor)
BuildType = self.decode(self.BuildType)
VersionMinor = self.decode(self.VersionMinor)
BuildDate = f'20{self.decode(self.Year)}-{self.decode(self.Month)}-{self.decode(self.Day)}'
BuildTime = f'{self.decode(self.Hour)}-{self.decode(self.Minute)}'
return BoardID, BoardExt, VersionMajor, BuildType, VersionMinor, BuildDate, BuildTime
def struct_print(self, p):
BoardID,BoardExt,VersionMajor,BuildType,VersionMinor,BuildDate,BuildTime = self.get_bios_id()
printer(['Intel Signature:', self.Signature.decode('utf-8')], p, False)
printer(['Board Identity: ', BoardID], p, False)
printer(['Apple Identity: ', BoardExt], p, False)
printer(['Major Version: ', VersionMajor], p, False)
printer(['Minor Version: ', VersionMinor], p, False)
printer(['Build Type: ', BuildType], p, False)
printer(['Build Date: ', BuildDate], p, False)
printer(['Build Time: ', BuildTime.replace('-',':')], p, False)
# Check if input is Apple EFI image
# https://github.com/tianocore/edk2-platforms/blob/master/Platform/Intel/BoardModulePkg/Include/Guid/BiosId.h
@staticmethod
def _decode(field):
return struct.pack('B' * len(field), *field).decode('utf-16', 'ignore').strip('\x00 ')
def get_bios_id(self):
""" Create Apple EFI BIOS ID """
board_id = self._decode(self.BoardID)
board_ext = self._decode(self.BoardExt)
version_major = self._decode(self.VersionMajor)
build_type = self._decode(self.BuildType)
version_minor = self._decode(self.VersionMinor)
build_date = f'20{self._decode(self.Year)}-{self._decode(self.Month)}-{self._decode(self.Day)}'
build_time = f'{self._decode(self.Hour)}-{self._decode(self.Minute)}'
return board_id, board_ext, version_major, build_type, version_minor, build_date, build_time
def struct_print(self, padd):
""" Display structure information """
board_id, board_ext, version_major, build_type, version_minor, build_date, build_time = self.get_bios_id()
printer(['Intel Signature:', self.Signature.decode('utf-8')], padd, False)
printer(['Board Identity: ', board_id], padd, False)
printer(['Apple Identity: ', board_ext], padd, False)
printer(['Major Version: ', version_major], padd, False)
printer(['Minor Version: ', version_minor], padd, False)
printer(['Build Type: ', build_type], padd, False)
printer(['Build Date: ', build_date], padd, False)
printer(['Build Time: ', build_time.replace('-', ':')], padd, False)
def is_apple_efi(input_file):
""" Check if input is Apple EFI image """
input_buffer = file_to_bytes(input_file)
if PAT_APPLE_EFI.search(input_buffer):
return True
if not os.path.isfile(input_file):
return False
try:
_ = subprocess.run([get_uefifind_path(), input_file, 'body', 'list', PAT_UEFIFIND],
check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
return True
except Exception:
return False
# Parse & Identify (or Rename) Apple EFI image
try:
_ = subprocess.run([get_uefifind_path(), input_file, 'body', 'list', PAT_UEFIFIND],
check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
return True
except Exception as error: # pylint: disable=broad-except
logging.debug('Error: Could not check if input is Apple EFI image: %s', error)
return False
def apple_efi_identify(input_file, extract_path, padding=0, rename=False):
""" Parse & Identify (or Rename) Apple EFI image """
if not os.path.isfile(input_file):
printer('Error: Could not find input file path!', padding)
return 1
input_buffer = file_to_bytes(input_file)
bios_id_match = PAT_APPLE_EFI.search(input_buffer) # Detect $IBIOSI$ pattern
bios_id_match = PAT_APPLE_EFI.search(input_buffer) # Detect $IBIOSI$ pattern
if bios_id_match:
bios_id_res = f'0x{bios_id_match.start():X}'
bios_id_hdr = get_struct(input_buffer, bios_id_match.start(), IntelBiosId)
else:
# The $IBIOSI$ pattern is within EFI compressed modules so we need to use UEFIFind and UEFIExtract
try:
bios_id_res = subprocess.check_output([get_uefifind_path(), input_file, 'body', 'list', PAT_UEFIFIND],
text=True)[:36]
del_dirs(extract_path) # UEFIExtract must create its output folder itself, make sure it is not present
text=True)[:36]
del_dirs(extract_path) # UEFIExtract must create its output folder itself, make sure it is not present
_ = subprocess.run([get_uefiextract_path(), input_file, bios_id_res, '-o', extract_path, '-m', 'body'],
check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
with open(os.path.join(extract_path, 'body.bin'), 'rb') as raw_body:
body_buffer = raw_body.read()
bios_id_match = PAT_APPLE_EFI.search(body_buffer) # Detect decompressed $IBIOSI$ pattern
bios_id_match = PAT_APPLE_EFI.search(body_buffer) # Detect decompressed $IBIOSI$ pattern
bios_id_hdr = get_struct(body_buffer, bios_id_match.start(), IntelBiosId)
del_dirs(extract_path) # Successful UEFIExtract extraction, remove its output (temp) folder
except Exception:
printer('Error: Failed to parse compressed $IBIOSI$ pattern!', padding)
del_dirs(extract_path) # Successful UEFIExtract extraction, remove its output (temp) folder
except Exception as error: # pylint: disable=broad-except
printer(f'Error: Failed to parse compressed $IBIOSI$ pattern: {error}!', padding)
return 2
printer(f'Detected $IBIOSI$ at {bios_id_res}\n', padding)
bios_id_hdr.struct_print(padding + 4)
if rename:
input_parent = path_parent(input_file)
input_suffix = path_suffixes(input_file)[-1]
input_adler32 = zlib.adler32(input_buffer)
ID,Ext,Major,Type,Minor,Date,Time = bios_id_hdr.get_bios_id()
output_name = f'{ID}_{Ext}_{Major}_{Type}{Minor}_{Date}_{Time}_{input_adler32:08X}{input_suffix}'
fw_id, fw_ext, fw_major, fw_type, fw_minor, fw_date, fw_time = bios_id_hdr.get_bios_id()
output_name = f'{fw_id}_{fw_ext}_{fw_major}_{fw_type}{fw_minor}_{fw_date}_{fw_time}_' \
f'{input_adler32:08X}{input_suffix}'
output_file = os.path.join(input_parent, output_name)
if not os.path.isfile(output_file):
os.replace(input_file, output_file) # Rename input file based on its EFI tag
os.replace(input_file, output_file) # Rename input file based on its EFI tag
printer(f'Renamed to {output_name}', padding)
return 0
PAT_UEFIFIND = f'244942494F534924{"."*32}2E00{"."*12}2E00{"."*16}2E00{"."*12}2E00{"."*40}0000'
PAT_UEFIFIND = f'244942494F534924{"." * 32}2E00{"." * 12}2E00{"." * 16}2E00{"." * 12}2E00{"." * 40}0000'
if __name__ == '__main__':
utility = BIOSUtility(TITLE, is_apple_efi, apple_efi_identify)
utility.parse_argument('-r', '--rename', help='rename EFI image based on its tag', action='store_true')
utility_args = [(['-r', '--rename'], {'help': 'rename EFI image based on its tag', 'action': 'store_true'})]
utility = BIOSUtility(title=TITLE, check=is_apple_efi, main=apple_efi_identify, args=utility_args)
utility.run_utility()

104
Apple_EFI_IM4P.py
View file

@ -1,19 +1,13 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Apple EFI IM4P
Apple EFI IM4P Splitter
Copyright (C) 2018-2022 Plato Mavropoulos
Copyright (C) 2018-2024 Plato Mavropoulos
"""
TITLE = 'Apple EFI IM4P Splitter v3.0_a5'
import os
import sys
# Stop __pycache__ generation
sys.dont_write_bytecode = True
from common.path_ops import make_dirs, path_stem
from common.patterns import PAT_APPLE_IM4P, PAT_INTEL_IFD
@ -21,125 +15,133 @@ from common.system import printer
from common.templates import BIOSUtility
from common.text_ops import file_to_bytes
# Check if input is Apple EFI IM4P image
TITLE = 'Apple EFI IM4P Splitter v4.0'
def is_apple_im4p(input_file):
""" Check if input is Apple EFI IM4P image """
input_buffer = file_to_bytes(input_file)
is_im4p = PAT_APPLE_IM4P.search(input_buffer)
is_ifd = PAT_INTEL_IFD.search(input_buffer)
return bool(is_im4p and is_ifd)
# Parse & Split Apple EFI IM4P image
def apple_im4p_split(input_file, extract_path, padding=0):
def apple_im4p_split(input_file, extract_path, padding=0):
""" Parse & Split Apple EFI IM4P image """
exit_codes = []
input_buffer = file_to_bytes(input_file)
make_dirs(extract_path, delete=True)
# Detect IM4P EFI pattern
im4p_match = PAT_APPLE_IM4P.search(input_buffer)
# After IM4P mefi (0x15), multi EFI payloads have _MEFIBIN (0x100) but is difficult to RE w/o varying samples.
# However, _MEFIBIN is not required for splitting SPI images due to Intel Flash Descriptor Components Density.
# IM4P mefi payload start offset
mefi_data_bgn = im4p_match.start() + input_buffer[im4p_match.start() - 0x1]
# IM4P mefi payload size
mefi_data_len = int.from_bytes(input_buffer[im4p_match.end() + 0x5:im4p_match.end() + 0x9], 'big')
# Check if mefi is followed by _MEFIBIN
mefibin_exist = input_buffer[mefi_data_bgn:mefi_data_bgn + 0x8] == b'_MEFIBIN'
# Actual multi EFI payloads start after _MEFIBIN
efi_data_bgn = mefi_data_bgn + 0x100 if mefibin_exist else mefi_data_bgn
# Actual multi EFI payloads size without _MEFIBIN
efi_data_len = mefi_data_len - 0x100 if mefibin_exist else mefi_data_len
# Adjust input file buffer to actual multi EFI payloads data
input_buffer = input_buffer[efi_data_bgn:efi_data_bgn + efi_data_len]
# Parse Intel Flash Descriptor pattern matches
for ifd in PAT_INTEL_IFD.finditer(input_buffer):
# Component Base Address from FD start (ICH8-ICH10 = 1, IBX = 2, CPT+ = 3)
ifd_flmap0_fcba = input_buffer[ifd.start() + 0x4] * 0x10
# I/O Controller Hub (ICH)
if ifd_flmap0_fcba == 0x10:
# At ICH, Flash Descriptor starts at 0x0
ifd_bgn_substruct = 0x0
# 0xBC for [0xAC] + 0xFF * 16 sanity check
ifd_end_substruct = 0xBC
# Platform Controller Hub (PCH)
else:
# At PCH, Flash Descriptor starts at 0x10
ifd_bgn_substruct = 0x10
# 0xBC for [0xAC] + 0xFF * 16 sanity check
ifd_end_substruct = 0xBC
# Actual Flash Descriptor Start Offset
ifd_match_start = ifd.start() - ifd_bgn_substruct
# Actual Flash Descriptor End Offset
ifd_match_end = ifd.end() - ifd_end_substruct
# Calculate Intel Flash Descriptor Flash Component Total Size
# Component Count (00 = 1, 01 = 2)
ifd_flmap0_nc = ((int.from_bytes(input_buffer[ifd_match_end:ifd_match_end + 0x4], 'little') >> 8) & 3) + 1
# PCH/ICH Strap Length (ME 2-8 & TXE 0-2 & SPS 1-2 <= 0x12, ME 9+ & TXE 3+ & SPS 3+ >= 0x13)
ifd_flmap1_isl = input_buffer[ifd_match_end + 0x7]
# Component Density Byte (ME 2-8 & TXE 0-2 & SPS 1-2 = 0:5, ME 9+ & TXE 3+ & SPS 3+ = 0:7)
ifd_comp_den = input_buffer[ifd_match_start + ifd_flmap0_fcba]
# Component 1 Density Bits (ME 2-8 & TXE 0-2 & SPS 1-2 = 3, ME 9+ & TXE 3+ & SPS 3+ = 4)
ifd_comp_1_bitwise = 0xF if ifd_flmap1_isl >= 0x13 else 0x7
# Component 2 Density Bits (ME 2-8 & TXE 0-2 & SPS 1-2 = 3, ME 9+ & TXE 3+ & SPS 3+ = 4)
ifd_comp_2_bitwise = 0x4 if ifd_flmap1_isl >= 0x13 else 0x3
# Component 1 Density (FCBA > C0DEN)
ifd_comp_all_size = IFD_COMP_LEN[ifd_comp_den & ifd_comp_1_bitwise]
# Component 2 Density (FCBA > C1DEN)
if ifd_flmap0_nc == 2:
ifd_comp_all_size += IFD_COMP_LEN[ifd_comp_den >> ifd_comp_2_bitwise]
ifd_data_bgn = ifd_match_start
ifd_data_end = ifd_data_bgn + ifd_comp_all_size
ifd_data_txt = f'0x{ifd_data_bgn:07X}-0x{ifd_data_end:07X}'
output_data = input_buffer[ifd_data_bgn:ifd_data_end]
output_size = len(output_data)
output_name = path_stem(input_file) if os.path.isfile(input_file) else 'Part'
output_path = os.path.join(extract_path, f'{output_name}_[{ifd_data_txt}].fd')
with open(output_path, 'wb') as output_image:
output_image.write(output_data)
printer(f'Split Apple EFI image at {ifd_data_txt}!', padding)
if output_size != ifd_comp_all_size:
printer(f'Error: Bad image size 0x{output_size:07X}, expected 0x{ifd_comp_all_size:07X}!', padding + 4)
exit_codes.append(1)
return sum(exit_codes)
# Intel Flash Descriptor Component Sizes (4MB, 8MB, 16MB and 32MB)
IFD_COMP_LEN = {3: 0x400000, 4: 0x800000, 5: 0x1000000, 6: 0x2000000}
if __name__ == '__main__':
BIOSUtility(TITLE, is_apple_im4p, apple_im4p_split).run_utility()
BIOSUtility(title=TITLE, check=is_apple_im4p, main=apple_im4p_split).run_utility()

110
Apple_EFI_PBZX.py
View file

@ -1,118 +1,128 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Apple PBZX Extract
Apple EFI PBZX Extractor
Copyright (C) 2021-2022 Plato Mavropoulos
Copyright (C) 2021-2024 Plato Mavropoulos
"""
TITLE = 'Apple EFI PBZX Extractor v1.0_a5'
import os
import sys
import lzma
import ctypes
# Stop __pycache__ generation
sys.dont_write_bytecode = True
import logging
import lzma
import os
from common.comp_szip import is_szip_supported, szip_decompress
from common.path_ops import make_dirs, path_stem
from common.patterns import PAT_APPLE_PBZX
from common.struct_ops import get_struct, uint32_t
from common.struct_ops import get_struct, UInt32
from common.system import printer
from common.templates import BIOSUtility
from common.text_ops import file_to_bytes
TITLE = 'Apple EFI PBZX Extractor v2.0'
class PbzxChunk(ctypes.BigEndianStructure):
""" PBZX Chunk Header """
_pack_ = 1
_fields_ = [
('Reserved0', uint32_t), # 0x00
('InitSize', uint32_t), # 0x04
('Reserved1', uint32_t), # 0x08
('CompSize', uint32_t), # 0x0C
('Reserved0', UInt32), # 0x00
('InitSize', UInt32), # 0x04
('Reserved1', UInt32), # 0x08
('CompSize', UInt32), # 0x0C
# 0x10
]
def struct_print(self, p):
printer(['Reserved 0 :', f'0x{self.Reserved0:X}'], p, False)
printer(['Initial Size :', f'0x{self.InitSize:X}'], p, False)
printer(['Reserved 1 :', f'0x{self.Reserved1:X}'], p, False)
printer(['Compressed Size:', f'0x{self.CompSize:X}'], p, False)
# Check if input is Apple PBZX image
def struct_print(self, padd):
""" Display structure information """
printer(['Reserved 0 :', f'0x{self.Reserved0:X}'], padd, False)
printer(['Initial Size :', f'0x{self.InitSize:X}'], padd, False)
printer(['Reserved 1 :', f'0x{self.Reserved1:X}'], padd, False)
printer(['Compressed Size:', f'0x{self.CompSize:X}'], padd, False)
def is_apple_pbzx(input_file):
""" Check if input is Apple PBZX image """
input_buffer = file_to_bytes(input_file)
return bool(PAT_APPLE_PBZX.search(input_buffer[:0x4]))
# Parse & Extract Apple PBZX image
def apple_pbzx_extract(input_file, extract_path, padding=0):
""" Parse & Extract Apple PBZX image """
input_buffer = file_to_bytes(input_file)
make_dirs(extract_path, delete=True)
cpio_bin = b'' # Initialize PBZX > CPIO Buffer
cpio_len = 0x0 # Initialize PBZX > CPIO Length
chunk_off = 0xC # First PBZX Chunk starts at 0xC
cpio_bin = b'' # Initialize PBZX > CPIO Buffer
cpio_len = 0x0 # Initialize PBZX > CPIO Length
chunk_off = 0xC # First PBZX Chunk starts at 0xC
while chunk_off < len(input_buffer):
chunk_hdr = get_struct(input_buffer, chunk_off, PbzxChunk)
printer(f'PBZX Chunk at 0x{chunk_off:08X}\n', padding)
chunk_hdr.struct_print(padding + 4)
# PBZX Chunk data starts after its Header
comp_bgn = chunk_off + PBZX_CHUNK_HDR_LEN
# To avoid a potential infinite loop, double-check Compressed Size
comp_end = comp_bgn + max(chunk_hdr.CompSize, PBZX_CHUNK_HDR_LEN)
comp_bin = input_buffer[comp_bgn:comp_end]
try:
# Attempt XZ decompression, if applicable to Chunk data
cpio_bin += lzma.LZMADecompressor().decompress(comp_bin)
printer('Successful LZMA decompression!', padding + 8)
except Exception:
except Exception as error: # pylint: disable=broad-except
logging.debug('Error: Failed to LZMA decompress PBZX Chunk 0x%X: %s', chunk_off, error)
# Otherwise, Chunk data is not compressed
cpio_bin += comp_bin
# Final CPIO size should match the sum of all Chunks > Initial Size
cpio_len += chunk_hdr.InitSize
# Next Chunk starts at the end of current Chunk's data
chunk_off = comp_end
# Check that CPIO size is valid based on all Chunks > Initial Size
if cpio_len != len(cpio_bin):
printer('Error: Unexpected CPIO archive size!', padding)
return 1
cpio_name = path_stem(input_file) if os.path.isfile(input_file) else 'Payload'
cpio_path = os.path.join(extract_path, f'{cpio_name}.cpio')
with open(cpio_path, 'wb') as cpio_object:
cpio_object.write(cpio_bin)
# Decompress PBZX > CPIO archive with 7-Zip
if is_szip_supported(cpio_path, padding, args=['-tCPIO'], check=True):
if szip_decompress(cpio_path, extract_path, 'CPIO', padding, args=['-tCPIO'], check=True) == 0:
os.remove(cpio_path) # Successful extraction, delete PBZX > CPIO archive
os.remove(cpio_path) # Successful extraction, delete PBZX > CPIO archive
else:
return 3
else:
return 2
return 0
# Get common ctypes Structure Sizes
PBZX_CHUNK_HDR_LEN = ctypes.sizeof(PbzxChunk)
if __name__ == '__main__':
BIOSUtility(TITLE, is_apple_pbzx, apple_pbzx_extract).run_utility()
BIOSUtility(title=TITLE, check=is_apple_pbzx, main=apple_pbzx_extract).run_utility()

105
Apple_EFI_PKG.py
View file

@ -1,22 +1,16 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Apple EFI PKG
Apple EFI Package Extractor
Copyright (C) 2019-2022 Plato Mavropoulos
Copyright (C) 2019-2024 Plato Mavropoulos
"""
TITLE = 'Apple EFI Package Extractor v2.0_a5'
import os
import sys
# Stop __pycache__ generation
sys.dont_write_bytecode = True
from common.comp_szip import is_szip_supported, szip_decompress
from common.path_ops import copy_file, del_dirs, get_path_files, make_dirs, path_name, path_parent, get_extract_path
from common.path_ops import copy_file, del_dirs, get_extract_path, get_path_files, make_dirs, path_name, path_parent
from common.patterns import PAT_APPLE_PKG
from common.system import printer
from common.templates import BIOSUtility
@ -26,105 +20,138 @@ from Apple_EFI_ID import apple_efi_identify, is_apple_efi
from Apple_EFI_IM4P import apple_im4p_split, is_apple_im4p
from Apple_EFI_PBZX import apple_pbzx_extract, is_apple_pbzx
# Check if input is Apple EFI PKG package
TITLE = 'Apple EFI Package Extractor v3.0'
def is_apple_pkg(input_file):
""" Check if input is Apple EFI PKG package """
input_buffer = file_to_bytes(input_file)
return bool(PAT_APPLE_PKG.search(input_buffer[:0x4]))
# Split Apple EFI image (if applicable) and Rename
def efi_split_rename(in_file, out_path, padding=0):
""" Split Apple EFI image (if applicable) and Rename """
exit_codes = []
working_dir = get_extract_path(in_file)
if is_apple_im4p(in_file):
printer(f'Splitting IM4P via {is_apple_im4p.__module__}...', padding)
im4p_exit = apple_im4p_split(in_file, working_dir, padding + 4)
exit_codes.append(im4p_exit)
else:
make_dirs(working_dir, delete=True)
copy_file(in_file, working_dir, True)
for efi_file in get_path_files(working_dir):
if is_apple_efi(efi_file):
printer(f'Renaming EFI via {is_apple_efi.__module__}...', padding)
name_exit = apple_efi_identify(efi_file, efi_file, padding + 4, True)
exit_codes.append(name_exit)
for named_file in get_path_files(working_dir):
copy_file(named_file, out_path, True)
del_dirs(working_dir)
return sum(exit_codes)
# Parse & Extract Apple EFI PKG packages
def apple_pkg_extract(input_file, extract_path, padding=0):
""" Parse & Extract Apple EFI PKG packages """
if not os.path.isfile(input_file):
printer('Error: Could not find input file path!', padding)
return 1
make_dirs(extract_path, delete=True)
xar_path = os.path.join(extract_path, 'xar')
# Decompress PKG > XAR archive with 7-Zip
if is_szip_supported(input_file, padding, args=['-tXAR'], check=True):
if szip_decompress(input_file, xar_path, 'XAR', padding, args=['-tXAR'], check=True) != 0:
return 3
else:
return 2
for xar_file in get_path_files(xar_path):
if path_name(xar_file) == 'Payload':
pbzx_module = is_apple_pbzx.__module__
if is_apple_pbzx(xar_file):
printer(f'Extracting PBZX via {pbzx_module}...', padding + 4)
pbzx_path = get_extract_path(xar_file)
if apple_pbzx_extract(xar_file, pbzx_path, padding + 8) == 0:
printer(f'Succesfull PBZX extraction via {pbzx_module}!', padding + 4)
for pbzx_file in get_path_files(pbzx_path):
if path_name(pbzx_file) == 'UpdateBundle.zip':
if is_szip_supported(pbzx_file, padding + 8, args=['-tZIP'], check=True):
zip_path = get_extract_path(pbzx_file)
if szip_decompress(pbzx_file, zip_path, 'ZIP', padding + 8, args=['-tZIP'], check=True) == 0:
if szip_decompress(pbzx_file, zip_path, 'ZIP', padding + 8, args=['-tZIP'],
check=True) == 0:
for zip_file in get_path_files(zip_path):
if path_name(path_parent(zip_file)) == 'MacEFI':
printer(path_name(zip_file), padding + 12)
if efi_split_rename(zip_file, extract_path, padding + 16) != 0:
printer(f'Error: Could not split and rename {path_name(zip_file)}!', padding)
printer(f'Error: Could not split and rename {path_name(zip_file)}!',
padding)
return 10
else:
return 9
else:
return 8
break # ZIP found, stop
break # ZIP found, stop
else:
printer('Error: Could not find "UpdateBundle.zip" file!', padding)
return 7
else:
printer(f'Error: Failed to extract PBZX file via {pbzx_module}!', padding)
return 6
else:
printer(f'Error: Failed to detect file as PBZX via {pbzx_module}!', padding)
return 5
break # Payload found, stop searching
break # Payload found, stop searching
if path_name(xar_file) == 'Scripts':
if is_szip_supported(xar_file, padding + 4, args=['-tGZIP'], check=True):
gzip_path = get_extract_path(xar_file)
if szip_decompress(xar_file, gzip_path, 'GZIP', padding + 4, args=['-tGZIP'], check=True) == 0:
for gzip_file in get_path_files(gzip_path):
if is_szip_supported(gzip_file, padding + 8, args=['-tCPIO'], check=True):
cpio_path = get_extract_path(gzip_file)
if szip_decompress(gzip_file, cpio_path, 'CPIO', padding + 8, args=['-tCPIO'], check=True) == 0:
if szip_decompress(gzip_file, cpio_path, 'CPIO', padding + 8, args=['-tCPIO'],
check=True) == 0:
for cpio_file in get_path_files(cpio_path):
if path_name(path_parent(cpio_file)) == 'EFIPayloads':
printer(path_name(cpio_file), padding + 12)
if efi_split_rename(cpio_file, extract_path, padding + 16) != 0:
printer(f'Error: Could not split and rename {path_name(cpio_file)}!', padding)
printer(f'Error: Could not split and rename {path_name(cpio_file)}!',
padding)
return 15
else:
return 14
@ -134,15 +161,17 @@ def apple_pkg_extract(input_file, extract_path, padding=0):
return 12
else:
return 11
break # Scripts found, stop searching
break # Scripts found, stop searching
else:
printer('Error: Could not find "Payload" or "Scripts" file!', padding)
return 4
del_dirs(xar_path) # Delete temporary/working XAR folder
del_dirs(xar_path) # Delete temporary/working XAR folder
return 0
if __name__ == '__main__':
BIOSUtility(TITLE, is_apple_pkg, apple_pkg_extract).run_utility()
BIOSUtility(title=TITLE, check=is_apple_pkg, main=apple_pkg_extract).run_utility()

72
Award_BIOS_Extract.py
View file

@ -1,74 +1,84 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Award BIOS Extract
Award BIOS Module Extractor
Copyright (C) 2018-2022 Plato Mavropoulos
Copyright (C) 2018-2024 Plato Mavropoulos
"""
TITLE = 'Award BIOS Module Extractor v2.0_a5'
import os
import sys
# Stop __pycache__ generation
sys.dont_write_bytecode = True
import stat
from common.comp_szip import szip_decompress
from common.path_ops import make_dirs, safe_name, get_extract_path
from common.path_ops import get_extract_path, make_dirs, safe_name
from common.patterns import PAT_AWARD_LZH
from common.system import printer
from common.templates import BIOSUtility
from common.text_ops import file_to_bytes
# Check if input is Award BIOS image
TITLE = 'Award BIOS Module Extractor v3.0'
def is_award_bios(in_file):
""" Check if input is Award BIOS image """
in_buffer = file_to_bytes(in_file)
return bool(PAT_AWARD_LZH.search(in_buffer))
# Parse & Extract Award BIOS image
def award_bios_extract(input_file, extract_path, padding=0):
""" Parse & Extract Award BIOS image """
input_buffer = file_to_bytes(input_file)
make_dirs(extract_path, delete=True)
for lzh_match in PAT_AWARD_LZH.finditer(input_buffer):
lzh_type = lzh_match.group(0).decode('utf-8')
lzh_text = f'LZH-{lzh_type.strip("-").upper()}'
lzh_bgn = lzh_match.start()
mod_bgn = lzh_bgn - 0x2
hdr_len = input_buffer[mod_bgn]
mod_len = int.from_bytes(input_buffer[mod_bgn + 0x7:mod_bgn + 0xB], 'little')
mod_end = lzh_bgn + hdr_len + mod_len
mod_bin = input_buffer[mod_bgn:mod_end]
tag_bgn = mod_bgn + 0x16
tag_end = tag_bgn + input_buffer[mod_bgn + 0x15]
tag_txt = input_buffer[tag_bgn:tag_end].decode('utf-8','ignore')
if len(mod_bin) != 0x2 + hdr_len + mod_len:
printer(f'Error: Skipped incomplete LZH stream at 0x{mod_bgn:X}!', padding, False)
continue
tag_txt = safe_name(mod_bin[0x16:0x16 + mod_bin[0x15]].decode('utf-8', 'ignore').strip())
printer(f'{lzh_text} > {tag_txt} [0x{mod_bgn:06X}-0x{mod_end:06X}]', padding)
mod_path = os.path.join(extract_path, safe_name(tag_txt))
mod_path = os.path.join(extract_path, tag_txt)
lzh_path = f'{mod_path}.lzh'
with open(lzh_path, 'wb') as lzh_file:
lzh_file.write(mod_bin) # Store LZH archive
lzh_file.write(mod_bin) # Store LZH archive
# 7-Zip returns critical exit code (i.e. 2) if LZH CRC is wrong, do not check result
szip_decompress(lzh_path, extract_path, lzh_text, padding + 4, check=False)
# Manually check if 7-Zip extracted LZH due to its CRC check issue
if os.path.isfile(mod_path):
os.remove(lzh_path) # Successful extraction, delete LZH archive
os.chmod(lzh_path, stat.S_IWRITE)
os.remove(lzh_path) # Successful extraction, delete LZH archive
# Extract any nested LZH archives
if is_award_bios(mod_path):
# Recursively extract nested Award BIOS modules
award_bios_extract(mod_path, get_extract_path(mod_path), padding + 8)
if __name__ == '__main__':
BIOSUtility(TITLE, is_award_bios, award_bios_extract).run_utility()
BIOSUtility(title=TITLE, check=is_award_bios, main=award_bios_extract).run_utility()

1207
Dell_PFS_Extract.py
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File diff suppressed because it is too large Load diff

80
Fujitsu_SFX_Extract.py
View file

@ -1,19 +1,13 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Fujitsu SFX Extractor
Fujitsu SFX BIOS Extractor
Copyright (C) 2019-2022 Plato Mavropoulos
Copyright (C) 2019-2024 Plato Mavropoulos
"""
TITLE = 'Fujitsu SFX BIOS Extractor v3.0_a3'
import os
import sys
# Stop __pycache__ generation
sys.dont_write_bytecode = True
from common.comp_szip import is_szip_supported, szip_decompress
from common.path_ops import make_dirs
@ -22,68 +16,78 @@ from common.system import printer
from common.templates import BIOSUtility
from common.text_ops import file_to_bytes
# Check if input is Fujitsu SFX image
TITLE = 'Fujitsu SFX BIOS Extractor v4.0'
def is_fujitsu_sfx(in_file):
""" Check if input is Fujitsu SFX image """
buffer = file_to_bytes(in_file)
return bool(PAT_FUJITSU_SFX.search(buffer))
# Extract Fujitsu SFX image
def fujitsu_cabinet(in_file, extract_path, padding=0):
""" Extract Fujitsu SFX image """
buffer = file_to_bytes(in_file)
match_cab = PAT_FUJITSU_SFX.search(buffer) # Microsoft CAB Header XOR 0xFF
match_cab = PAT_FUJITSU_SFX.search(buffer) # Microsoft CAB Header XOR 0xFF
if not match_cab:
return 1
printer('Detected obfuscated CAB archive!', padding)
# Microsoft CAB Header XOR 0xFF starts after "FjSfxBinay" signature
cab_start = match_cab.start() + 0xA
# Determine the Microsoft CAB image size
cab_size = int.from_bytes(buffer[cab_start + 0x8:cab_start + 0xC], 'little') # Get LE XOR-ed CAB size
xor_size = int.from_bytes(b'\xFF' * 0x4, 'little') # Create CAB size XOR value
cab_size ^= xor_size # Perform XOR 0xFF and get actual CAB size
cab_size = int.from_bytes(buffer[cab_start + 0x8:cab_start + 0xC], 'little') # Get LE XOR CAB size
xor_size = int.from_bytes(b'\xFF' * 0x4, 'little') # Create CAB size XOR value
cab_size ^= xor_size # Perform XOR 0xFF and get actual CAB size
printer('Removing obfuscation...', padding + 4)
# Determine the Microsoft CAB image Data
cab_data = int.from_bytes(buffer[cab_start:cab_start + cab_size], 'big') # Get BE XOR-ed CAB data
xor_data = int.from_bytes(b'\xFF' * cab_size, 'big') # Create CAB data XOR value
cab_data = (cab_data ^ xor_data).to_bytes(cab_size, 'big') # Perform XOR 0xFF and get actual CAB data
cab_data = int.from_bytes(buffer[cab_start:cab_start + cab_size], 'big') # Get BE XOR- CAB data
xor_data = int.from_bytes(b'\xFF' * cab_size, 'big') # Create CAB data XOR value
cab_data = (cab_data ^ xor_data).to_bytes(cab_size, 'big') # Perform XOR 0xFF and get actual CAB data
printer('Extracting archive...', padding + 4)
cab_path = os.path.join(extract_path, 'FjSfxBinay.cab')
with open(cab_path, 'wb') as cab_file:
cab_file.write(cab_data) # Create temporary CAB archive
cab_file.write(cab_data) # Create temporary CAB archive
if is_szip_supported(cab_path, padding + 8, check=True):
if szip_decompress(cab_path, extract_path, 'CAB', padding + 8, check=True) == 0:
os.remove(cab_path) # Successful extraction, delete temporary CAB archive
if szip_decompress(cab_path, extract_path, 'FjSfxBinay CAB', padding + 8, check=True) == 0:
os.remove(cab_path) # Successful extraction, delete temporary CAB archive
else:
return 3
else:
return 2
return 0
# Parse & Extract Fujitsu SFX image
def fujitsu_sfx_extract(in_file, extract_path, padding=0):
""" Parse & Extract Fujitsu SFX image """
buffer = file_to_bytes(in_file)
make_dirs(extract_path, delete=True)
if fujitsu_cabinet(buffer, extract_path, padding) == 0:
printer('Successfully Extracted!', padding)
else:
printer('Error: Failed to Extract image!', padding)
return 1
return 0
if __name__ == '__main__':
BIOSUtility(TITLE, is_fujitsu_sfx, fujitsu_sfx_extract).run_utility()
BIOSUtility(title=TITLE, check=is_fujitsu_sfx, main=fujitsu_sfx_extract).run_utility()

39
Fujitsu_UPC_Extract.py
View file

@ -1,44 +1,47 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Fujitsu UPC Extract
Fujitsu UPC BIOS Extractor
Copyright (C) 2021-2022 Plato Mavropoulos
Copyright (C) 2021-2024 Plato Mavropoulos
"""
TITLE = 'Fujitsu UPC BIOS Extractor v2.0_a5'
import os
import sys
# Stop __pycache__ generation
sys.dont_write_bytecode = True
from common.comp_efi import efi_decompress, is_efi_compressed
from common.path_ops import make_dirs, path_suffixes
from common.templates import BIOSUtility
from common.text_ops import file_to_bytes
# Check if input is Fujitsu UPC image
TITLE = 'Fujitsu UPC BIOS Extractor v3.0'
def is_fujitsu_upc(in_file):
""" Check if input is Fujitsu UPC image """
in_buffer = file_to_bytes(in_file)
is_ext = path_suffixes(in_file)[-1].upper() == '.UPC' if os.path.isfile(in_file) else True
is_efi = is_efi_compressed(in_buffer)
return is_ext and is_efi
# Parse & Extract Fujitsu UPC image
def fujitsu_upc_extract(input_file, extract_path, padding=0):
""" Parse & Extract Fujitsu UPC image """
make_dirs(extract_path, delete=True)
image_base = os.path.basename(input_file)
image_name = image_base[:-4] if image_base.upper().endswith('.UPC') else image_base
image_path = os.path.join(extract_path, f'{image_name}.bin')
return efi_decompress(input_file, image_path, padding)
if __name__ == '__main__':
BIOSUtility(TITLE, is_fujitsu_upc, fujitsu_upc_extract).run_utility()
BIOSUtility(title=TITLE, check=is_fujitsu_upc, main=fujitsu_upc_extract).run_utility()

281
Insyde_IFD_Extract.py
View file

@ -1,217 +1,234 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Insyde IFD Extract
Insyde iFlash/iFdPacker Extractor
Copyright (C) 2022 Plato Mavropoulos
Copyright (C) 2022-2024 Plato Mavropoulos
"""
TITLE = 'Insyde iFlash/iFdPacker Extractor v2.0_a11'
import os
import sys
import ctypes
# Stop __pycache__ generation
sys.dont_write_bytecode = True
import os
from common.comp_szip import is_szip_supported, szip_decompress
from common.path_ops import get_path_files, make_dirs, safe_name, get_extract_path
from common.path_ops import get_extract_path, get_path_files, make_dirs, safe_name
from common.patterns import PAT_INSYDE_IFL, PAT_INSYDE_SFX
from common.struct_ops import char, get_struct, uint32_t
from common.struct_ops import Char, get_struct, UInt32
from common.system import printer
from common.templates import BIOSUtility
from common.text_ops import file_to_bytes
TITLE = 'Insyde iFlash/iFdPacker Extractor v3.0'
class IflashHeader(ctypes.LittleEndianStructure):
""" Insyde iFlash Header """
_pack_ = 1
# noinspection PyTypeChecker
_fields_ = [
('Signature', char*8), # 0x00 $_IFLASH
('ImageTag', char*8), # 0x08
('TotalSize', uint32_t), # 0x10 from header end
('ImageSize', uint32_t), # 0x14 from header end
('Signature', Char * 8), # 0x00 $_IFLASH
('ImageTag', Char * 8), # 0x08
('TotalSize', UInt32), # 0x10 from header end
('ImageSize', UInt32), # 0x14 from header end
# 0x18
]
def _get_padd_len(self):
return self.TotalSize - self.ImageSize
def get_image_tag(self):
return self.ImageTag.decode('utf-8','ignore').strip('_')
def struct_print(self, p):
printer(['Signature :', self.Signature.decode('utf-8')], p, False)
printer(['Image Name:', self.get_image_tag()], p, False)
printer(['Image Size:', f'0x{self.ImageSize:X}'], p, False)
printer(['Total Size:', f'0x{self.TotalSize:X}'], p, False)
printer(['Padd Size :', f'0x{self._get_padd_len():X}'], p, False)
# Check if input is Insyde iFlash/iFdPacker Update image
def is_insyde_ifd(input_file):
input_buffer = file_to_bytes(input_file)
is_ifl = bool(insyde_iflash_detect(input_buffer))
is_sfx = bool(PAT_INSYDE_SFX.search(input_buffer))
def _get_padd_len(self) -> int:
return self.TotalSize - self.ImageSize
def get_image_tag(self) -> str:
""" Get Insyde iFlash image tag """
return self.ImageTag.decode('utf-8', 'ignore').strip('_')
def struct_print(self, padd: int) -> None:
""" Display structure information """
printer(['Signature :', self.Signature.decode('utf-8')], padd, False)
printer(['Image Name:', self.get_image_tag()], padd, False)
printer(['Image Size:', f'0x{self.ImageSize:X}'], padd, False)
printer(['Total Size:', f'0x{self.TotalSize:X}'], padd, False)
printer(['Padd Size :', f'0x{self._get_padd_len():X}'], padd, False)
def is_insyde_ifd(input_object: str | bytes | bytearray) -> bool:
""" Check if input is Insyde iFlash/iFdPacker Update image """
input_buffer: bytes = file_to_bytes(input_object)
is_ifl: bool = bool(insyde_iflash_detect(input_buffer))
is_sfx: bool = bool(PAT_INSYDE_SFX.search(input_buffer))
return is_ifl or is_sfx
# Parse & Extract Insyde iFlash/iFdPacker Update images
def insyde_ifd_extract(input_file, extract_path, padding=0):
input_buffer = file_to_bytes(input_file)
iflash_code = insyde_iflash_extract(input_buffer, extract_path, padding)
ifdpack_path = os.path.join(extract_path, 'Insyde iFdPacker SFX')
ifdpack_code = insyde_packer_extract(input_buffer, ifdpack_path, padding)
def insyde_ifd_extract(input_object: str | bytes | bytearray, extract_path: str, padding: int = 0) -> int:
""" Parse & Extract Insyde iFlash/iFdPacker Update images """
input_buffer: bytes = file_to_bytes(input_object)
iflash_code: int = insyde_iflash_extract(input_buffer, extract_path, padding)
ifdpack_path: str = os.path.join(extract_path, 'Insyde iFdPacker SFX')
ifdpack_code: int = insyde_packer_extract(input_buffer, ifdpack_path, padding)
return iflash_code and ifdpack_code
# Detect Insyde iFlash Update image
def insyde_iflash_detect(input_buffer):
iflash_match_all = []
iflash_match_nan = [0x0,0xFFFFFFFF]
def insyde_iflash_detect(input_buffer: bytes) -> list:
""" Detect Insyde iFlash Update image """
iflash_match_all: list = []
iflash_match_nan: list = [0x0, 0xFFFFFFFF]
for iflash_match in PAT_INSYDE_IFL.finditer(input_buffer):
ifl_bgn = iflash_match.start()
ifl_bgn: int = iflash_match.start()
if len(input_buffer[ifl_bgn:]) <= INS_IFL_LEN:
continue
ifl_hdr = get_struct(input_buffer, ifl_bgn, IflashHeader)
if ifl_hdr.TotalSize in iflash_match_nan \
or ifl_hdr.ImageSize in iflash_match_nan \
or ifl_hdr.TotalSize < ifl_hdr.ImageSize \
or ifl_bgn + INS_IFL_LEN + ifl_hdr.TotalSize > len(input_buffer):
or ifl_hdr.ImageSize in iflash_match_nan \
or ifl_hdr.TotalSize < ifl_hdr.ImageSize \
or ifl_bgn + INS_IFL_LEN + ifl_hdr.TotalSize > len(input_buffer):
continue
iflash_match_all.append([ifl_bgn, ifl_hdr])
return iflash_match_all
# Extract Insyde iFlash Update image
def insyde_iflash_extract(input_buffer, extract_path, padding=0):
insyde_iflash_all = insyde_iflash_detect(input_buffer)
def insyde_iflash_extract(input_buffer: bytes, extract_path: str, padding: int = 0) -> int:
""" Extract Insyde iFlash Update image """
insyde_iflash_all: list = insyde_iflash_detect(input_buffer)
if not insyde_iflash_all:
return 127
printer('Detected Insyde iFlash Update image!', padding)
make_dirs(extract_path, delete=True)
exit_codes = []
exit_codes: list = []
for insyde_iflash in insyde_iflash_all:
exit_code = 0
ifl_bgn,ifl_hdr = insyde_iflash
img_bgn = ifl_bgn + INS_IFL_LEN
img_end = img_bgn + ifl_hdr.ImageSize
img_bin = input_buffer[img_bgn:img_end]
exit_code: int = 0
ifl_bgn, ifl_hdr = insyde_iflash
img_bgn: int = ifl_bgn + INS_IFL_LEN
img_end: int = img_bgn + ifl_hdr.ImageSize
img_bin: bytes = input_buffer[img_bgn:img_end]
if len(img_bin) != ifl_hdr.ImageSize:
exit_code = 1
img_val = [ifl_hdr.get_image_tag(), 'bin']
img_tag,img_ext = INS_IFL_IMG.get(img_val[0], img_val)
img_name = f'{img_tag} [0x{img_bgn:08X}-0x{img_end:08X}]'
img_val: list = [ifl_hdr.get_image_tag(), 'bin']
img_tag, img_ext = INS_IFL_IMG.get(img_val[0], img_val)
img_name: str = f'{img_tag} [0x{img_bgn:08X}-0x{img_end:08X}]'
printer(f'{img_name}\n', padding + 4)
ifl_hdr.struct_print(padding + 8)
if img_val == [img_tag,img_ext]:
if img_val == [img_tag, img_ext]:
printer(f'Note: Detected new Insyde iFlash tag {img_tag}!', padding + 12, pause=True)
out_name = f'{img_name}.{img_ext}'
out_path = os.path.join(extract_path, safe_name(out_name))
out_name: str = f'{img_name}.{img_ext}'
out_path: str = os.path.join(extract_path, safe_name(out_name))
with open(out_path, 'wb') as out_image:
out_image.write(img_bin)
printer(f'Succesfull Insyde iFlash > {img_tag} extraction!', padding + 12)
exit_codes.append(exit_code)
return sum(exit_codes)
# Extract Insyde iFdPacker 7-Zip SFX 7z Update image
def insyde_packer_extract(input_buffer, extract_path, padding=0):
def insyde_packer_extract(input_buffer: bytes, extract_path: str, padding: int = 0) -> int:
""" Extract Insyde iFdPacker 7-Zip SFX 7z Update image """
match_sfx = PAT_INSYDE_SFX.search(input_buffer)
if not match_sfx:
return 127
printer('Detected Insyde iFdPacker Update image!', padding)
make_dirs(extract_path, delete=True)
sfx_buffer = bytearray(input_buffer[match_sfx.end() - 0x5:])
sfx_buffer: bytearray = bytearray(input_buffer[match_sfx.end() - 0x5:])
if sfx_buffer[:0x5] == b'\x6E\xF4\x79\x5F\x4E':
printer('Detected Insyde iFdPacker > 7-Zip SFX > Obfuscation!', padding + 4)
for index,byte in enumerate(sfx_buffer):
for index, byte in enumerate(sfx_buffer):
sfx_buffer[index] = byte // 2 + (128 if byte % 2 else 0)
printer('Removed Insyde iFdPacker > 7-Zip SFX > Obfuscation!', padding + 8)
printer('Extracting Insyde iFdPacker > 7-Zip SFX archive...', padding + 4)
if bytes(INS_SFX_PWD, 'utf-16le') in input_buffer[:match_sfx.start()]:
printer('Detected Insyde iFdPacker > 7-Zip SFX > Password!', padding + 8)
printer(INS_SFX_PWD, padding + 12)
sfx_path = os.path.join(extract_path, 'Insyde_iFdPacker_SFX.7z')
sfx_path: str = os.path.join(extract_path, 'Insyde_iFdPacker_SFX.7z')
with open(sfx_path, 'wb') as sfx_file:
sfx_file.write(sfx_buffer)
if is_szip_supported(sfx_path, padding + 8, args=[f'-p{INS_SFX_PWD}'], check=True):
if szip_decompress(sfx_path, extract_path, 'Insyde iFdPacker > 7-Zip SFX',
padding + 8, args=[f'-p{INS_SFX_PWD}'], check=True) == 0:
padding + 8, args=[f'-p{INS_SFX_PWD}'], check=True) == 0:
os.remove(sfx_path)
else:
return 125
else:
return 126
exit_codes = []
for sfx_file in get_path_files(extract_path):
if is_insyde_ifd(sfx_file):
printer(f'{os.path.basename(sfx_file)}', padding + 12)
ifd_code = insyde_ifd_extract(sfx_file, get_extract_path(sfx_file), padding + 16)
ifd_code: int = insyde_ifd_extract(sfx_file, get_extract_path(sfx_file), padding + 16)
exit_codes.append(ifd_code)
return sum(exit_codes)
# Insyde iFdPacker known 7-Zip SFX Password
INS_SFX_PWD = 'Y`t~i!L@i#t$U%h^s7A*l(f)E-d=y+S_n?i'
INS_SFX_PWD: str = 'Y`t~i!L@i#t$U%h^s7A*l(f)E-d=y+S_n?i'
# Insyde iFlash known Image Names
INS_IFL_IMG = {
'BIOSCER' : ['Certificate', 'bin'],
'BIOSCR2' : ['Certificate 2nd', 'bin'],
'BIOSIMG' : ['BIOS-UEFI', 'bin'],
'DRV_IMG' : ['isflash', 'efi'],
'EC_IMG' : ['Embedded Controller', 'bin'],
'INI_IMG' : ['platform', 'ini'],
'ME_IMG' : ['Management Engine', 'bin'],
'OEM_ID' : ['OEM Identifier', 'bin'],
}
INS_IFL_IMG: dict = {
'BIOSCER': ['Certificate', 'bin'],
'BIOSCR2': ['Certificate 2nd', 'bin'],
'BIOSIMG': ['BIOS-UEFI', 'bin'],
'DRV_IMG': ['isflash', 'efi'],
'EC_IMG': ['Embedded Controller', 'bin'],
'INI_IMG': ['platform', 'ini'],
'ME_IMG': ['Management Engine', 'bin'],
'OEM_ID': ['OEM Identifier', 'bin'],
}
# Get common ctypes Structure Sizes
INS_IFL_LEN = ctypes.sizeof(IflashHeader)
INS_IFL_LEN: int = ctypes.sizeof(IflashHeader)
if __name__ == '__main__':
BIOSUtility(TITLE, is_insyde_ifd, insyde_ifd_extract).run_utility()
BIOSUtility(title=TITLE, check=is_insyde_ifd, main=insyde_ifd_extract).run_utility()

2
LICENSE
View file

@ -1,4 +1,4 @@
Copyright (c) 2019-2022 Plato Mavropoulos
Copyright (c) 2019-2024 Plato Mavropoulos
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

191
Panasonic_BIOS_Extract.py
View file

@ -1,22 +1,19 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Panasonic BIOS Extract
Panasonic BIOS Package Extractor
Copyright (C) 2018-2022 Plato Mavropoulos
Copyright (C) 2018-2024 Plato Mavropoulos
"""
TITLE = 'Panasonic BIOS Package Extractor v2.0_a10'
import os
import io
import sys
import lznt1
import logging
import os
import pefile
# Stop __pycache__ generation
sys.dont_write_bytecode = True
from dissect.util.compression import lznt1
from common.comp_szip import is_szip_supported, szip_decompress
from common.path_ops import get_path_files, make_dirs, path_stem, safe_name
@ -28,182 +25,216 @@ from common.text_ops import file_to_bytes
from AMI_PFAT_Extract import is_ami_pfat, parse_pfat_file
# Check if input is Panasonic BIOS Package PE
TITLE = 'Panasonic BIOS Package Extractor v3.0'
def is_panasonic_pkg(in_file):
""" Check if input is Panasonic BIOS Package PE """
in_buffer = file_to_bytes(in_file)
pe_file = get_pe_file(in_buffer, fast=True)
pe_file = get_pe_file(in_buffer, silent=True)
if not pe_file:
return False
pe_info = get_pe_info(pe_file)
pe_info = get_pe_info(pe_file, silent=True)
if not pe_info:
return False
if pe_info.get(b'FileDescription',b'').upper() != b'UNPACK UTILITY':
if pe_info.get(b'FileDescription', b'').upper() != b'UNPACK UTILITY':
return False
if not PAT_MICROSOFT_CAB.search(in_buffer):
return False
return True
# Search and Extract Panasonic BIOS Package PE CAB archive
def panasonic_cab_extract(buffer, extract_path, padding=0):
pe_path,pe_file,pe_info = [None] * 3
""" Search and Extract Panasonic BIOS Package PE CAB archive """
pe_path, pe_file, pe_info = [None] * 3
cab_bgn = PAT_MICROSOFT_CAB.search(buffer).start()
cab_len = int.from_bytes(buffer[cab_bgn + 0x8:cab_bgn + 0xC], 'little')
cab_end = cab_bgn + cab_len
cab_bin = buffer[cab_bgn:cab_end]
cab_tag = f'[0x{cab_bgn:06X}-0x{cab_end:06X}]'
cab_path = os.path.join(extract_path, f'CAB_{cab_tag}.cab')
with open(cab_path, 'wb') as cab_file:
cab_file.write(cab_bin) # Store CAB archive
cab_file.write(cab_bin) # Store CAB archive
if is_szip_supported(cab_path, padding, check=True):
printer(f'Panasonic BIOS Package > PE > CAB {cab_tag}', padding)
if szip_decompress(cab_path, extract_path, 'CAB', padding + 4, check=True) == 0:
os.remove(cab_path) # Successful extraction, delete CAB archive
os.remove(cab_path) # Successful extraction, delete CAB archive
else:
return pe_path, pe_file, pe_info
else:
return pe_path, pe_file, pe_info
for file_path in get_path_files(extract_path):
pe_file = get_pe_file(file_path, fast=True)
pe_file = get_pe_file(file_path, padding, silent=True)
if pe_file:
pe_info = get_pe_info(pe_file)
if pe_info.get(b'FileDescription',b'').upper() == b'BIOS UPDATE':
pe_info = get_pe_info(pe_file, padding, silent=True)
if pe_info.get(b'FileDescription', b'').upper() == b'BIOS UPDATE':
pe_path = file_path
break
else:
return pe_path, pe_file, pe_info
return pe_path, pe_file, pe_info
# Extract & Decompress Panasonic BIOS Update PE RCDATA (LZNT1)
def panasonic_res_extract(pe_name, pe_file, extract_path, padding=0):
""" Extract & Decompress Panasonic BIOS Update PE RCDATA (LZNT1) """
is_rcdata = False
# When fast_load is used, IMAGE_DIRECTORY_ENTRY_RESOURCE must be parsed prior to RCDATA Directories
pe_file.parse_data_directories(directories=[pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_RESOURCE']])
# Parse all Resource Data Directories > RCDATA (ID = 10)
for entry in pe_file.DIRECTORY_ENTRY_RESOURCE.entries:
if entry.struct.name == 'IMAGE_RESOURCE_DIRECTORY_ENTRY' and entry.struct.Id == 0xA:
is_rcdata = True
for resource in entry.directory.entries:
res_bgn = resource.directory.entries[0].data.struct.OffsetToData
res_len = resource.directory.entries[0].data.struct.Size
res_end = res_bgn + res_len
res_bin = pe_file.get_data(res_bgn, res_len)
res_tag = f'{pe_name} [0x{res_bgn:06X}-0x{res_end:06X}]'
res_out = os.path.join(extract_path, f'{res_tag}')
printer(res_tag, padding + 4)
try:
res_raw = lznt1.decompress(res_bin[0x8:])
printer('Succesfull LZNT1 decompression via lznt1!', padding + 8)
except Exception:
if len(res_raw) != int.from_bytes(res_bin[0x4:0x8], 'little'):
raise ValueError('LZNT1_DECOMPRESS_BAD_SIZE')
printer('Succesfull LZNT1 decompression via Dissect!', padding + 8)
except Exception as error: # pylint: disable=broad-except
logging.debug('Error: LZNT1 decompression of %s failed: %s', res_tag, error)
res_raw = res_bin
printer('Succesfull PE Resource extraction!', padding + 8)
# Detect & Unpack AMI BIOS Guard (PFAT) BIOS image
if is_ami_pfat(res_raw):
pfat_dir = os.path.join(extract_path, res_tag)
parse_pfat_file(res_raw, pfat_dir, padding + 12)
else:
if is_pe_file(res_raw):
res_ext = 'exe'
elif res_raw.startswith(b'[') and res_raw.endswith((b'\x0D\x0A',b'\x0A')):
elif res_raw.startswith(b'[') and res_raw.endswith((b'\x0D\x0A', b'\x0A')):
res_ext = 'txt'
else:
res_ext = 'bin'
if res_ext == 'txt':
printer(new_line=False)
for line in io.BytesIO(res_raw).readlines():
line_text = line.decode('utf-8','ignore').rstrip()
line_text = line.decode('utf-8', 'ignore').rstrip()
printer(line_text, padding + 12, new_line=False)
with open(f'{res_out}.{res_ext}', 'wb') as out_file:
out_file.write(res_raw)
return is_rcdata
# Extract Panasonic BIOS Update PE Data when RCDATA is not available
def panasonic_img_extract(pe_name, pe_path, pe_file, extract_path, padding=0):
""" Extract Panasonic BIOS Update PE Data when RCDATA is not available """
pe_data = file_to_bytes(pe_path)
sec_bgn = pe_file.OPTIONAL_HEADER.DATA_DIRECTORY[pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_SECURITY']].VirtualAddress
sec_bgn = pe_file.OPTIONAL_HEADER.DATA_DIRECTORY[pefile.DIRECTORY_ENTRY[
'IMAGE_DIRECTORY_ENTRY_SECURITY']].VirtualAddress
img_bgn = pe_file.OPTIONAL_HEADER.BaseOfData + pe_file.OPTIONAL_HEADER.SizeOfInitializedData
img_end = sec_bgn or len(pe_data)
img_bin = pe_data[img_bgn:img_end]
img_tag = f'{pe_name} [0x{img_bgn:X}-0x{img_end:X}]'
img_out = os.path.join(extract_path, f'{img_tag}.bin')
printer(img_tag, padding + 4)
with open(img_out, 'wb') as out_img:
out_img.write(img_bin)
printer('Succesfull PE Data extraction!', padding + 8)
return bool(img_bin)
# Parse & Extract Panasonic BIOS Package PE
def panasonic_pkg_extract(input_file, extract_path, padding=0):
""" Parse & Extract Panasonic BIOS Package PE """
input_buffer = file_to_bytes(input_file)
make_dirs(extract_path, delete=True)
pkg_pe_file = get_pe_file(input_buffer, fast=True)
pkg_pe_file = get_pe_file(input_buffer, padding)
if not pkg_pe_file:
return 2
pkg_pe_info = get_pe_info(pkg_pe_file)
pkg_pe_info = get_pe_info(pkg_pe_file, padding)
if not pkg_pe_info:
return 3
pkg_pe_name = path_stem(input_file)
printer(f'Panasonic BIOS Package > PE ({pkg_pe_name})\n', padding)
show_pe_info(pkg_pe_info, padding + 4)
upd_pe_path,upd_pe_file,upd_pe_info = panasonic_cab_extract(input_buffer, extract_path, padding + 4)
upd_pe_path, upd_pe_file, upd_pe_info = panasonic_cab_extract(input_buffer, extract_path, padding + 4)
if not (upd_pe_path and upd_pe_file and upd_pe_info):
return 4
upd_pe_name = safe_name(path_stem(upd_pe_path))
printer(f'Panasonic BIOS Update > PE ({upd_pe_name})\n', padding + 12)
show_pe_info(upd_pe_info, padding + 16)
is_upd_res, is_upd_img = False, False
is_upd_res = panasonic_res_extract(upd_pe_name, upd_pe_file, extract_path, padding + 16)
if not is_upd_res:
is_upd_img = panasonic_img_extract(upd_pe_name, upd_pe_path, upd_pe_file, extract_path, padding + 16)
os.remove(upd_pe_path)
return 0 if is_upd_res or is_upd_img else 1
if __name__ == '__main__':
BIOSUtility(TITLE, is_panasonic_pkg, panasonic_pkg_extract).run_utility()
BIOSUtility(title=TITLE, check=is_panasonic_pkg, main=panasonic_pkg_extract).run_utility()

233
Phoenix_TDK_Extract.py
View file

@ -1,237 +1,270 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Phoenix TDK Extract
Phoenix TDK Packer Extractor
Copyright (C) 2021-2022 Plato Mavropoulos
Copyright (C) 2021-2024 Plato Mavropoulos
"""
TITLE = 'Phoenix TDK Packer Extractor v2.0_a10'
import os
import sys
import lzma
import ctypes
# Stop __pycache__ generation
sys.dont_write_bytecode = True
import logging
import lzma
import os
from common.path_ops import make_dirs, safe_name
from common.pe_ops import get_pe_file, get_pe_info
from common.patterns import PAT_MICROSOFT_MZ, PAT_MICROSOFT_PE, PAT_PHOENIX_TDK
from common.struct_ops import char, get_struct, uint32_t
from common.struct_ops import Char, get_struct, UInt32
from common.system import printer
from common.templates import BIOSUtility
from common.text_ops import file_to_bytes
TITLE = 'Phoenix TDK Packer Extractor v3.0'
class PhoenixTdkHeader(ctypes.LittleEndianStructure):
""" Phoenix TDK Header """
_pack_ = 1
_fields_ = [
('Tag', char*8), # 0x00
('Size', uint32_t), # 0x08
('Count', uint32_t), # 0x0C
('Tag', Char * 8), # 0x00
('Size', UInt32), # 0x08
('Count', UInt32), # 0x0C
# 0x10
]
def _get_tag(self):
return self.Tag.decode('utf-8','ignore').strip()
def struct_print(self, p):
printer(['Tag :', self._get_tag()], p, False)
printer(['Size :', f'0x{self.Size:X}'], p, False)
printer(['Entries:', self.Count], p, False)
return self.Tag.decode('utf-8', 'ignore').strip()
def struct_print(self, padd):
""" Display structure information """
printer(['Tag :', self._get_tag()], padd, False)
printer(['Size :', f'0x{self.Size:X}'], padd, False)
printer(['Entries:', self.Count], padd, False)
class PhoenixTdkEntry(ctypes.LittleEndianStructure):
""" Phoenix TDK Entry """
_pack_ = 1
_fields_ = [
('Name', char*256), # 0x000
('Offset', uint32_t), # 0x100
('Size', uint32_t), # 0x104
('Compressed', uint32_t), # 0x108
('Reserved', uint32_t), # 0x10C
('Name', Char * 256), # 0x000
('Offset', UInt32), # 0x100
('Size', UInt32), # 0x104
('Compressed', UInt32), # 0x108
('Reserved', UInt32), # 0x10C
# 0x110
]
COMP = {0: 'None', 1: 'LZMA'}
def __init__(self, mz_base, *args, **kwargs):
super().__init__(*args, **kwargs)
self.Base = mz_base
def get_name(self):
return self.Name.decode('utf-8','replace').strip()
def get_offset(self):
return self.Base + self.Offset
def get_compression(self):
return self.COMP.get(self.Compressed, f'Unknown ({self.Compressed})')
def struct_print(self, p):
printer(['Name :', self.get_name()], p, False)
printer(['Offset :', f'0x{self.get_offset():X}'], p, False)
printer(['Size :', f'0x{self.Size:X}'], p, False)
printer(['Compression:', self.get_compression()], p, False)
printer(['Reserved :', f'0x{self.Reserved:X}'], p, False)
# Get Phoenix TDK Executable (MZ) Base Offset
self.mz_base = mz_base
def get_name(self):
""" Get TDK Entry decoded name """
return self.Name.decode('utf-8', 'replace').strip()
def get_offset(self):
""" Get TDK Entry absolute offset """
return self.mz_base + self.Offset
def get_compression(self):
""" Get TDK Entry compression type """
return self.COMP.get(self.Compressed, f'Unknown ({self.Compressed})')
def struct_print(self, padd):
""" Display structure information """
printer(['Name :', self.get_name()], padd, False)
printer(['Offset :', f'0x{self.get_offset():X}'], padd, False)
printer(['Size :', f'0x{self.Size:X}'], padd, False)
printer(['Compression:', self.get_compression()], padd, False)
printer(['Reserved :', f'0x{self.Reserved:X}'], padd, False)
def get_tdk_base(in_buffer, pack_off):
tdk_base_off = None # Initialize Phoenix TDK Base MZ Offset
""" Get Phoenix TDK Executable (MZ) Base Offset """
tdk_base_off = None # Initialize Phoenix TDK Base MZ Offset
# Scan input file for all Microsoft executable patterns (MZ) before TDK Header Offset
mz_all = [mz for mz in PAT_MICROSOFT_MZ.finditer(in_buffer) if mz.start() < pack_off]
# Phoenix TDK Header structure is an index table for all TDK files
# Each TDK file is referenced from the TDK Packer executable base
# The TDK Header is always at the end of the TDK Packer executable
# Thus, prefer the TDK Packer executable (MZ) closest to TDK Header
# For speed, check MZ closest to (or at) 0x0 first (expected input)
mz_ord = [mz_all[0]] + list(reversed(mz_all[1:]))
# Parse each detected MZ
for mz in mz_ord:
mz_off = mz.start()
# MZ (DOS) > PE (NT) image Offset is found at offset 0x3C-0x40 relative to MZ base
for mz_match in mz_ord:
mz_off = mz_match.start()
# MZ (DOS) > PE (NT) image Offset is found at offset 0x3C-0x40 relative to MZ base
pe_off = mz_off + int.from_bytes(in_buffer[mz_off + 0x3C:mz_off + 0x40], 'little')
# Skip MZ (DOS) with bad PE (NT) image Offset
if pe_off == mz_off or pe_off >= pack_off:
continue
# Check if potential MZ > PE image magic value is valid
if PAT_MICROSOFT_PE.search(in_buffer[pe_off:pe_off + 0x4]):
try:
# Parse detected MZ > PE > Image, quickly (fast_load)
pe_file = get_pe_file(in_buffer[mz_off:], fast=True)
pe_file = get_pe_file(in_buffer[mz_off:], silent=True)
# Parse detected MZ > PE > Info
pe_info = get_pe_info(pe_file)
pe_info = get_pe_info(pe_file, silent=True)
# Parse detected MZ > PE > Info > Product Name
pe_name = pe_info.get(b'ProductName',b'')
except Exception:
pe_name = pe_info.get(b'ProductName', b'')
except Exception as error: # pylint: disable=broad-except
# Any error means no MZ > PE > Info > Product Name
logging.debug('Error: Invalid potential MZ > PE match at 0x%X: %s', pe_off, error)
pe_name = b''
# Check for valid Phoenix TDK Packer PE > Product Name
# Expected value is "TDK Packer (Extractor for Windows)"
if pe_name.upper().startswith(b'TDK PACKER'):
# Set TDK Base Offset to valid TDK Packer MZ offset
tdk_base_off = mz_off
# Stop parsing detected MZ once TDK Base Offset is found
if tdk_base_off is not None:
break
else:
# No TDK Base Offset could be found, assume 0x0
tdk_base_off = 0x0
return tdk_base_off
# Scan input buffer for valid Phoenix TDK image
def get_phoenix_tdk(in_buffer):
""" Scan input buffer for valid Phoenix TDK image """
# Scan input buffer for Phoenix TDK pattern
tdk_match = PAT_PHOENIX_TDK.search(in_buffer)
if not tdk_match:
return None, None
# Set Phoenix TDK Header ($PACK) Offset
tdk_pack_off = tdk_match.start()
# Get Phoenix TDK Executable (MZ) Base Offset
tdk_base_off = get_tdk_base(in_buffer, tdk_pack_off)
return tdk_base_off, tdk_pack_off
# Check if input contains valid Phoenix TDK image
def is_phoenix_tdk(in_file):
""" Check if input contains valid Phoenix TDK image """
buffer = file_to_bytes(in_file)
return bool(get_phoenix_tdk(buffer)[1] is not None)
# Parse & Extract Phoenix Tools Development Kit (TDK) Packer
def phoenix_tdk_extract(input_file, extract_path, padding=0):
""" Parse & Extract Phoenix Tools Development Kit (TDK) Packer """
exit_code = 0
input_buffer = file_to_bytes(input_file)
make_dirs(extract_path, delete=True)
printer('Phoenix Tools Development Kit Packer', padding)
base_off,pack_off = get_phoenix_tdk(input_buffer)
base_off, pack_off = get_phoenix_tdk(input_buffer)
# Parse TDK Header structure
tdk_hdr = get_struct(input_buffer, pack_off, PhoenixTdkHeader)
# Print TDK Header structure info
printer('Phoenix TDK Header:\n', padding + 4)
tdk_hdr.struct_print(padding + 8)
# Check if reported TDK Header Size matches manual TDK Entry Count calculation
if tdk_hdr.Size != TDK_HDR_LEN + TDK_DUMMY_LEN + tdk_hdr.Count * TDK_MOD_LEN:
printer('Error: Phoenix TDK Header Size & Entry Count mismatch!\n', padding + 8, pause=True)
exit_code = 1
# Store TDK Entries offset after the placeholder data
entries_off = pack_off + TDK_HDR_LEN + TDK_DUMMY_LEN
# Parse and extract each TDK Header Entry
for entry_index in range(tdk_hdr.Count):
# Parse TDK Entry structure
tdk_mod = get_struct(input_buffer, entries_off + entry_index * TDK_MOD_LEN, PhoenixTdkEntry, [base_off])
# Print TDK Entry structure info
printer(f'Phoenix TDK Entry ({entry_index + 1}/{tdk_hdr.Count}):\n', padding + 8)
tdk_mod.struct_print(padding + 12)
# Get TDK Entry raw data Offset (TDK Base + Entry Offset)
mod_off = tdk_mod.get_offset()
# Check if TDK Entry raw data Offset is valid
if mod_off >= len(input_buffer):
printer('Error: Phoenix TDK Entry > Offset is out of bounds!\n', padding + 12, pause=True)
exit_code = 2
# Store TDK Entry raw data (relative to TDK Base, not TDK Header)
mod_data = input_buffer[mod_off:mod_off + tdk_mod.Size]
# Check if TDK Entry raw data is complete
if len(mod_data) != tdk_mod.Size:
printer('Error: Phoenix TDK Entry > Data is truncated!\n', padding + 12, pause=True)
exit_code = 3
# Check if TDK Entry Reserved is present
if tdk_mod.Reserved:
printer('Error: Phoenix TDK Entry > Reserved is not empty!\n', padding + 12, pause=True)
exit_code = 4
# Decompress TDK Entry raw data, when applicable (i.e. LZMA)
if tdk_mod.get_compression() == 'LZMA':
try:
mod_data = lzma.LZMADecompressor().decompress(mod_data)
except Exception:
printer('Error: Phoenix TDK Entry > LZMA decompression failed!\n', padding + 12, pause=True)
except Exception as error: # pylint: disable=broad-except
printer(f'Error: Phoenix TDK Entry > LZMA decompression failed: {error}!\n', padding + 12, pause=True)
exit_code = 5
# Generate TDK Entry file name, avoid crash if Entry data is bad
mod_name = tdk_mod.get_name() or f'Unknown_{entry_index + 1:02d}.bin'
# Generate TDK Entry file data output path
mod_file = os.path.join(extract_path, safe_name(mod_name))
# Account for potential duplicate file names
if os.path.isfile(mod_file): mod_file += f'_{entry_index + 1:02d}'
if os.path.isfile(mod_file):
mod_file += f'_{entry_index + 1:02d}'
# Save TDK Entry data to output file
with open(mod_file, 'wb') as out_file:
out_file.write(mod_data)
return exit_code
# Get ctypes Structure Sizes
TDK_HDR_LEN = ctypes.sizeof(PhoenixTdkHeader)
TDK_MOD_LEN = ctypes.sizeof(PhoenixTdkEntry)
@ -240,4 +273,4 @@ TDK_MOD_LEN = ctypes.sizeof(PhoenixTdkEntry)
TDK_DUMMY_LEN = 0x200
if __name__ == '__main__':
BIOSUtility(TITLE, is_phoenix_tdk, phoenix_tdk_extract).run_utility()
BIOSUtility(title=TITLE, check=is_phoenix_tdk, main=phoenix_tdk_extract).run_utility()

154
Portwell_EFI_Extract.py
View file

@ -1,19 +1,14 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Portwell EFI Extract
Portwell EFI Update Extractor
Copyright (C) 2021-2022 Plato Mavropoulos
Copyright (C) 2021-2024 Plato Mavropoulos
"""
TITLE = 'Portwell EFI Update Extractor v2.0_a12'
import logging
import os
import sys
# Stop __pycache__ generation
sys.dont_write_bytecode = True
from common.comp_efi import efi_decompress, is_efi_compressed
from common.path_ops import make_dirs, safe_name
@ -23,114 +18,133 @@ from common.system import printer
from common.templates import BIOSUtility
from common.text_ops import file_to_bytes
TITLE = 'Portwell EFI Update Extractor v3.0'
FILE_NAMES = {
0 : 'Flash.efi',
1 : 'Fparts.txt',
2 : 'Update.nsh',
3 : 'Temp.bin',
4 : 'SaveDmiData.efi'
0: 'Flash.efi',
1: 'Fparts.txt',
2: 'Update.nsh',
3: 'Temp.bin',
4: 'SaveDmiData.efi'
}
# Check if input is Portwell EFI executable
def is_portwell_efi(in_file):
""" Check if input is Portwell EFI executable """
in_buffer = file_to_bytes(in_file)
try:
pe_buffer = get_portwell_pe(in_buffer)[1]
except Exception:
except Exception as error: # pylint: disable=broad-except
logging.debug('Error: Could not check if input is Portwell EFI executable: %s', error)
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>
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)
# Get PE of Portwell EFI executable
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)
def get_portwell_pe(in_buffer):
""" Get PE of Portwell EFI executable """
pe_file = get_pe_file(in_buffer, silent=True) # Analyze EFI Portable Executable (PE)
pe_data = in_buffer[pe_file.OPTIONAL_HEADER.SizeOfImage:] # Skip EFI executable (pylint: disable=E1101)
return pe_file, pe_data
# Parse & Extract Portwell UEFI Unpacker
def portwell_efi_extract(input_file, extract_path, padding=0):
efi_files = [] # Initialize EFI Payload file chunks
""" Parse & Extract Portwell UEFI Unpacker """
efi_files = [] # Initialize EFI Payload file chunks
input_buffer = file_to_bytes(input_file)
make_dirs(extract_path, delete=True)
pe_file,pe_data = get_portwell_pe(input_buffer)
pe_file, pe_data = get_portwell_pe(input_buffer)
efi_title = get_unpacker_tag(input_buffer, pe_file)
printer(efi_title, padding)
# Split EFI Payload into <UU> file chunks
efi_list = list(PAT_PORTWELL_EFI.finditer(pe_data))
for idx,val in enumerate(efi_list):
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)
# Get Portwell UEFI Unpacker tag
def get_unpacker_tag(input_buffer, pe_file):
""" Get Portwell UEFI Unpacker tag """
unpacker_tag_txt = 'UEFI Unpacker'
for pe_section in pe_file.sections:
# Unpacker Tag, Version, Strings etc are found in .data PE section
if pe_section.Name.startswith(b'.data'):
pe_data_bgn = pe_section.PointerToRawData
pe_data_end = pe_data_bgn + pe_section.SizeOfRawData
# Decode any valid UTF-16 .data PE section info to a parsable text buffer
pe_data_txt = input_buffer[pe_data_bgn:pe_data_end].decode('utf-16','ignore')
pe_data_txt = input_buffer[pe_data_bgn:pe_data_end].decode('utf-16', 'ignore')
# Search .data for UEFI Unpacker tag
unpacker_tag_bgn = pe_data_txt.find(unpacker_tag_txt)
if unpacker_tag_bgn != -1:
unpacker_tag_len = pe_data_txt[unpacker_tag_bgn:].find('=')
if unpacker_tag_len != -1:
unpacker_tag_end = unpacker_tag_bgn + unpacker_tag_len
unpacker_tag_raw = pe_data_txt[unpacker_tag_bgn:unpacker_tag_end]
# Found full UEFI Unpacker tag, store and slightly beautify the resulting text
unpacker_tag_txt = unpacker_tag_raw.strip().replace(' ',' ').replace('<',' <')
break # Found PE .data section, skip the rest
unpacker_tag_txt = unpacker_tag_raw.strip().replace(' ', ' ').replace('<', ' <')
break # Found PE .data section, skip the rest
return unpacker_tag_txt
# Process Portwell UEFI Unpacker payload files
def parse_efi_files(extract_path, efi_files, padding):
for file_index,file_data in enumerate(efi_files):
""" Process Portwell UEFI Unpacker payload files """
for file_index, file_data in enumerate(efi_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
printer(f'[{file_index}] {file_name}', padding + 4) # Print EFI file name, indicate progress
continue # Skip empty/unused files
file_name = FILE_NAMES.get(file_index, f'Unknown_{file_index}.bin') # Assign Name to EFI file
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
file_path = os.path.join(extract_path, safe_name(file_name)) # Store EFI file output path
printer(f'Note: Detected new Portwell EFI file ID {file_index}!', padding + 8, pause=True)
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
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):
comp_fname = file_path + '.temp' # Store temporary compressed file name
os.replace(file_path, comp_fname) # Rename initial/compressed file
comp_fname = file_path + '.temp' # Store temporary compressed file name
os.replace(file_path, comp_fname) # Rename initial/compressed file
if efi_decompress(comp_fname, file_path, padding + 8) == 0:
os.remove(comp_fname) # Successful decompression, delete compressed file
os.remove(comp_fname) # Successful decompression, delete compressed file
if __name__ == '__main__':
BIOSUtility(TITLE, is_portwell_efi, portwell_efi_extract).run_utility()
BIOSUtility(title=TITLE, check=is_portwell_efi, main=portwell_efi_extract).run_utility()

34
README.md
View file

@ -42,7 +42,7 @@ You can either Drag & Drop or manually enter AMI BIOS Guard (PFAT) image file(s)
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
@ -75,7 +75,7 @@ You can either Drag & Drop or manually enter AMI UCP Update executable file(s).
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
@ -112,7 +112,7 @@ You can either Drag & Drop or manually enter Apple EFI IM4P file(s). Optional ar
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
@ -143,7 +143,7 @@ You can either Drag & Drop or manually enter Apple EFI image file(s). Optional a
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
@ -176,7 +176,7 @@ You can either Drag & Drop or manually enter Apple EFI PKG package file(s). Opti
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
@ -208,7 +208,7 @@ You can either Drag & Drop or manually enter Apple EFI PBZX image file(s). Optio
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
@ -240,7 +240,7 @@ You can either Drag & Drop or manually enter Award BIOS image file(s). Optional
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
@ -274,7 +274,7 @@ You can either Drag & Drop or manually enter Dell PFS Update images(s). Optional
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
@ -306,7 +306,7 @@ You can either Drag & Drop or manually enter Fujitsu SFX BIOS image file(s). Opt
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
@ -338,7 +338,7 @@ You can either Drag & Drop or manually enter Fujitsu UPC BIOS image file(s). Opt
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
@ -370,7 +370,7 @@ You can either Drag & Drop or manually enter Insyde iFlash/iFdPacker Update imag
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
@ -400,14 +400,14 @@ You can either Drag & Drop or manually enter Panasonic BIOS Package executable f
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
To run the utility, you must have the following 3rd party Python modules installed:
* [pefile](https://pypi.org/project/pefile/)
* [lznt1](https://pypi.org/project/lznt1/)
* [dissect.util](https://pypi.org/project/dissect.util/)
Moreover, you must have the following 3rd party tool at the "external" project directory:
@ -437,7 +437,7 @@ You can either Drag & Drop or manually enter Phoenix Tools Development Kit (TDK)
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
@ -469,7 +469,7 @@ You can either Drag & Drop or manually enter Portwell UEFI Unpacker EFI executab
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
@ -507,7 +507,7 @@ You can either Drag & Drop or manually enter Toshiba BIOS COM image file(s). Opt
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**
@ -539,7 +539,7 @@ You can either Drag & Drop or manually enter VAIO Packaging Manager executable f
#### **Compatibility**
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 support.
Should work at all Windows, Linux or macOS operating systems which have Python 3.10 or newer support.
#### **Prerequisites**

54
Toshiba_COM_Extract.py
View file

@ -1,20 +1,14 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Toshiba COM Extract
Toshiba BIOS COM Extractor
Copyright (C) 2018-2022 Plato Mavropoulos
Copyright (C) 2018-2024 Plato Mavropoulos
"""
TITLE = 'Toshiba BIOS COM Extractor v2.0_a4'
import os
import sys
import subprocess
# Stop __pycache__ generation
sys.dont_write_bytecode = True
from common.externals import get_comextract_path
from common.path_ops import make_dirs, path_stem, path_suffixes
@ -23,41 +17,49 @@ from common.system import printer
from common.templates import BIOSUtility
from common.text_ops import file_to_bytes
# Check if input is Toshiba BIOS COM image
TITLE = 'Toshiba BIOS COM Extractor v3.0'
def is_toshiba_com(in_file):
""" Check if input is Toshiba BIOS COM image """
buffer = file_to_bytes(in_file)
is_ext = path_suffixes(in_file)[-1].upper() == '.COM' if os.path.isfile(in_file) else True
is_com = PAT_TOSHIBA_COM.search(buffer)
return is_ext and is_com
# Parse & Extract Toshiba BIOS COM image
def toshiba_com_extract(input_file, extract_path, padding=0):
""" Parse & Extract Toshiba BIOS COM image """
if not os.path.isfile(input_file):
printer('Error: Could not find input file path!', padding)
return 1
make_dirs(extract_path, delete=True)
output_name = path_stem(input_file)
output_file = os.path.join(extract_path, f'{output_name}.bin')
try:
subprocess.run([get_comextract_path(), input_file, output_file], check=True, stdout=subprocess.DEVNULL)
if not os.path.isfile(output_file):
raise Exception('EXTRACT_FILE_MISSING')
except Exception:
printer(f'Error: ToshibaComExtractor could not extract file {input_file}!', padding)
raise ValueError('EXTRACT_FILE_MISSING')
except Exception as error: # pylint: disable=broad-except
printer(f'Error: ToshibaComExtractor could not extract file {input_file}: {error}!', padding)
return 2
printer(f'Succesfull {output_name} extraction via ToshibaComExtractor!', padding)
return 0
if __name__ == '__main__':
BIOSUtility(TITLE, is_toshiba_com, toshiba_com_extract).run_utility()
BIOSUtility(title=TITLE, check=is_toshiba_com, main=toshiba_com_extract).run_utility()

129
VAIO_Package_Extract.py
View file

@ -1,19 +1,13 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
VAIO Package Extractor
VAIO Packaging Manager Extractor
Copyright (C) 2019-2022 Plato Mavropoulos
Copyright (C) 2019-2024 Plato Mavropoulos
"""
TITLE = 'VAIO Packaging Manager Extractor v3.0_a8'
import os
import sys
# Stop __pycache__ generation
sys.dont_write_bytecode = True
from common.comp_szip import is_szip_supported, szip_decompress
from common.path_ops import make_dirs
@ -22,126 +16,149 @@ from common.system import printer
from common.templates import BIOSUtility
from common.text_ops import file_to_bytes
# Check if input is VAIO Packaging Manager
TITLE = 'VAIO Packaging Manager Extractor v4.0'
def is_vaio_pkg(in_file):
""" Check if input is VAIO Packaging Manager """
buffer = file_to_bytes(in_file)
return bool(PAT_VAIO_CFG.search(buffer))
# Extract VAIO Packaging Manager executable
def vaio_cabinet(name, buffer, extract_path, padding=0):
match_cab = PAT_VAIO_CAB.search(buffer) # Microsoft CAB Header XOR 0xFF
""" Extract VAIO Packaging Manager executable """
match_cab = PAT_VAIO_CAB.search(buffer) # Microsoft CAB Header XOR 0xFF
if not match_cab:
return 1
printer('Detected obfuscated CAB archive!', padding)
# Determine the Microsoft CAB image size
cab_size = int.from_bytes(buffer[match_cab.start() + 0x8:match_cab.start() + 0xC], 'little') # Get LE XOR-ed CAB size
xor_size = int.from_bytes(b'\xFF' * 0x4, 'little') # Create CAB size XOR value
cab_size ^= xor_size # Perform XOR 0xFF and get actual CAB size
cab_size = int.from_bytes(buffer[match_cab.start() + 0x8:match_cab.start() + 0xC], 'little') # Get LE XOR CAB size
xor_size = int.from_bytes(b'\xFF' * 0x4, 'little') # Create CAB size XOR value
cab_size ^= xor_size # Perform XOR 0xFF and get actual CAB size
printer('Removing obfuscation...', padding + 4)
# Determine the Microsoft CAB image Data
cab_data = int.from_bytes(buffer[match_cab.start():match_cab.start() + cab_size], 'big') # Get BE XOR-ed CAB data
xor_data = int.from_bytes(b'\xFF' * cab_size, 'big') # Create CAB data XOR value
cab_data = (cab_data ^ xor_data).to_bytes(cab_size, 'big') # Perform XOR 0xFF and get actual CAB data
cab_data = int.from_bytes(buffer[match_cab.start():match_cab.start() + cab_size], 'big') # Get BE XOR CAB data
xor_data = int.from_bytes(b'\xFF' * cab_size, 'big') # Create CAB data XOR value
cab_data = (cab_data ^ xor_data).to_bytes(cab_size, 'big') # Perform XOR 0xFF and get actual CAB data
printer('Extracting archive...', padding + 4)
cab_path = os.path.join(extract_path, f'{name}_Temporary.cab')
with open(cab_path, 'wb') as cab_file:
cab_file.write(cab_data) # Create temporary CAB archive
cab_file.write(cab_data) # Create temporary CAB archive
if is_szip_supported(cab_path, padding + 8, check=True):
if szip_decompress(cab_path, extract_path, 'CAB', padding + 8, check=True) == 0:
os.remove(cab_path) # Successful extraction, delete temporary CAB archive
if szip_decompress(cab_path, extract_path, 'VAIO CAB', padding + 8, check=True) == 0:
os.remove(cab_path) # Successful extraction, delete temporary CAB archive
else:
return 3
else:
return 2
return 0
# Unlock VAIO Packaging Manager executable
def vaio_unlock(name, buffer, extract_path, padding=0):
""" Unlock VAIO Packaging Manager executable """
match_cfg = PAT_VAIO_CFG.search(buffer)
if not match_cfg:
return 1
printer('Attempting to Unlock executable!', padding)
# Initialize VAIO Package Configuration file variables (assume overkill size of 0x500)
cfg_bgn,cfg_end,cfg_false,cfg_true = [match_cfg.start(), match_cfg.start() + 0x500, b'', b'']
cfg_bgn, cfg_end, cfg_false, cfg_true = [match_cfg.start(), match_cfg.start() + 0x500, b'', b'']
# Get VAIO Package Configuration file info, split at new_line and stop at payload DOS header (EOF)
cfg_info = buffer[cfg_bgn:cfg_end].split(b'\x0D\x0A\x4D\x5A')[0].replace(b'\x0D',b'').split(b'\x0A')
cfg_info = buffer[cfg_bgn:cfg_end].split(b'\x0D\x0A\x4D\x5A')[0].replace(b'\x0D', b'').split(b'\x0A')
printer('Retrieving True/False values...', padding + 4)
# Determine VAIO Package Configuration file True & False values
for info in cfg_info:
if info.startswith(b'ExtractPathByUser='):
cfg_false = bytearray(b'0' if info[18:] in (b'0',b'1') else info[18:]) # Should be 0/No/False
cfg_false = bytearray(b'0' if info[18:] in (b'0', b'1') else info[18:]) # Should be 0/No/False
if info.startswith(b'UseCompression='):
cfg_true = bytearray(b'1' if info[15:] in (b'0',b'1') else info[15:]) # Should be 1/Yes/True
cfg_true = bytearray(b'1' if info[15:] in (b'0', b'1') else info[15:]) # Should be 1/Yes/True
# Check if valid True/False values have been retrieved
if cfg_false == cfg_true or not cfg_false or not cfg_true:
printer('Error: Could not retrieve True/False values!', padding + 8)
return 2
printer('Adjusting UseVAIOCheck entry...', padding + 4)
# Find and replace UseVAIOCheck entry from 1/Yes/True to 0/No/False
vaio_check = PAT_VAIO_CHK.search(buffer[cfg_bgn:])
if vaio_check:
buffer[cfg_bgn + vaio_check.end():cfg_bgn + vaio_check.end() + len(cfg_true)] = cfg_false
else:
printer('Error: Could not find entry UseVAIOCheck!', padding + 8)
return 3
printer('Adjusting ExtractPathByUser entry...', padding + 4)
# Find and replace ExtractPathByUser entry from 0/No/False to 1/Yes/True
user_path = PAT_VAIO_EXT.search(buffer[cfg_bgn:])
if user_path:
buffer[cfg_bgn + user_path.end():cfg_bgn + user_path.end() + len(cfg_false)] = cfg_true
else:
printer('Error: Could not find entry ExtractPathByUser!', padding + 8)
return 4
printer('Storing unlocked executable...', padding + 4)
# Store Unlocked VAIO Packaging Manager executable
if vaio_check and user_path:
unlock_path = os.path.join(extract_path, f'{name}_Unlocked.exe')
with open(unlock_path, 'wb') as unl_file:
unl_file.write(buffer)
return 0
# Parse & Extract or Unlock VAIO Packaging Manager
def vaio_pkg_extract(input_file, extract_path, padding=0):
""" Parse & Extract or Unlock VAIO Packaging Manager """
input_buffer = file_to_bytes(input_file)
input_name = os.path.basename(input_file)
make_dirs(extract_path, delete=True)
if vaio_cabinet(input_name, input_buffer, extract_path, padding) == 0:
printer('Successfully Extracted!', padding)
elif vaio_unlock(input_name, bytearray(input_buffer), extract_path, padding) == 0:
printer('Successfully Unlocked!', padding)
else:
printer('Error: Failed to Extract or Unlock executable!', padding)
return 1
return 0
if __name__ == '__main__':
BIOSUtility(TITLE, is_vaio_pkg, vaio_pkg_extract).run_utility()
BIOSUtility(title=TITLE, check=is_vaio_pkg, main=vaio_pkg_extract).run_utility()

6
__init__.py Normal file
View file

@ -0,0 +1,6 @@
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Copyright (C) 2019-2024 Plato Mavropoulos
"""

6
common/__init__.py Normal file
View file

@ -0,0 +1,6 @@
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Copyright (C) 2019-2024 Plato Mavropoulos
"""

22
common/checksums.py
View file

@ -1,25 +1,31 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Copyright (C) 2022 Plato Mavropoulos
Copyright (C) 2022-2024 Plato Mavropoulos
"""
# Get Checksum 16-bit
def get_chk_16(data, value=0, order='little'):
""" Calculate Checksum-16 of data, controlling IV and Endianess """
for idx in range(0, len(data), 2):
# noinspection PyTypeChecker
value += int.from_bytes(data[idx:idx + 2], order)
value += int.from_bytes(data[idx:idx + 2], byteorder=order)
value &= 0xFFFF
return value
# Get Checksum 8-bit XOR
def get_chk_8_xor(data, value=0):
""" Calculate Checksum-8 XOR of data, controlling IV """
for byte in data:
value ^= byte
value ^= 0x0
return value

57
common/comp_efi.py
View file

@ -1,57 +1,60 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Copyright (C) 2022 Plato Mavropoulos
Copyright (C) 2022-2024 Plato Mavropoulos
"""
import os
import subprocess
from common.path_ops import project_root, safe_path
from common.system import get_os_ver, printer
from common.externals import get_tiano_path
from common.system import printer
def get_compress_sizes(data):
""" Get EFI compression sizes """
def get_compress_sizes(data):
size_compress = int.from_bytes(data[0x0:0x4], 'little')
size_original = int.from_bytes(data[0x4:0x8], 'little')
return size_compress, size_original
def is_efi_compressed(data, strict=True):
size_comp,size_orig = get_compress_sizes(data)
""" Check if data is EFI compressed, controlling EOF padding """
size_comp, size_orig = get_compress_sizes(data)
check_diff = size_comp < size_orig
if strict:
check_size = size_comp + 0x8 == len(data)
else:
check_size = size_comp + 0x8 <= len(data)
return check_diff and check_size
# Get TianoCompress path
def get_tiano_path():
exec_name = f'TianoCompress{".exe" if get_os_ver()[1] else ""}'
return safe_path(project_root(), ['external',exec_name])
# EFI/Tiano Decompression via TianoCompress
def efi_decompress(in_path, out_path, padding=0, silent=False, comp_type='--uefi'):
""" EFI/Tiano Decompression via TianoCompress """
try:
subprocess.run([get_tiano_path(), '-d', in_path, '-o', out_path, '-q', comp_type], check=True, stdout=subprocess.DEVNULL)
subprocess.run([get_tiano_path(), '-d', in_path, '-o', out_path, '-q', comp_type],
check=True, stdout=subprocess.DEVNULL)
with open(in_path, 'rb') as file:
_,size_orig = get_compress_sizes(file.read())
_, size_orig = get_compress_sizes(file.read())
if os.path.getsize(out_path) != size_orig:
raise Exception('EFI_DECOMPRESS_ERROR')
except Exception:
raise OSError('EFI decompressed file & header size mismatch!')
except Exception as error: # pylint: disable=broad-except
if not silent:
printer(f'Error: TianoCompress could not extract file {in_path}!', padding)
printer(f'Error: TianoCompress could not extract file {in_path}: {error}!', padding)
return 1
if not silent:
printer('Succesfull EFI decompression via TianoCompress!', padding)
return 0

66
common/comp_szip.py
View file

@ -1,72 +1,72 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Copyright (C) 2022 Plato Mavropoulos
Copyright (C) 2022-2024 Plato Mavropoulos
"""
import os
import subprocess
from common.path_ops import project_root, safe_path
from common.system import get_os_ver, printer
from common.externals import get_szip_path
from common.system import printer
# Get 7-Zip path
def get_szip_path():
exec_name = '7z.exe' if get_os_ver()[1] else '7zzs'
return safe_path(project_root(), ['external',exec_name])
# Check 7-Zip bad exit codes (0 OK, 1 Warning)
def check_bad_exit_code(exit_code):
if exit_code not in (0,1):
raise Exception(f'BAD_EXIT_CODE_{exit_code}')
""" Check 7-Zip bad exit codes (0 OK, 1 Warning) """
if exit_code not in (0, 1):
raise ValueError(f'Bad exit code: {exit_code}')
# Check if file is 7-Zip supported
def is_szip_supported(in_path, padding=0, args=None, check=False, silent=False):
""" Check if file is 7-Zip supported """
try:
if args is None:
args = []
szip_c = [get_szip_path(), 't', in_path, *args, '-bso0', '-bse0', '-bsp0']
szip_t = subprocess.run(szip_c, check=False)
if check:
check_bad_exit_code(szip_t.returncode)
except Exception:
except Exception as error: # pylint: disable=broad-except
if not silent:
printer(f'Error: 7-Zip could not check support for file {in_path}!', padding)
printer(f'Error: 7-Zip could not check support for file {in_path}: {error}!', padding)
return False
return True
# Archive decompression via 7-Zip
def szip_decompress(in_path, out_path, in_name, padding=0, args=None, check=False, silent=False):
""" Archive decompression via 7-Zip """
if not in_name:
in_name = 'archive'
try:
if args is None:
args = []
szip_c = [get_szip_path(), 'x', *args, '-aou', '-bso0', '-bse0', '-bsp0', f'-o{out_path}', in_path]
szip_x = subprocess.run(szip_c, check=False)
if check:
check_bad_exit_code(szip_x.returncode)
if not os.path.isdir(out_path):
raise Exception('EXTRACT_DIR_MISSING')
except Exception:
raise OSError(f'Extraction directory not found: {out_path}')
except Exception as error: # pylint: disable=broad-except
if not silent:
printer(f'Error: 7-Zip could not extract {in_name} file {in_path}!', padding)
printer(f'Error: 7-Zip could not extract {in_name} file {in_path}: {error}!', padding)
return 1
if not silent:
printer(f'Succesfull {in_name} decompression via 7-Zip!', padding)
return 0

74
common/externals.py
View file

@ -1,38 +1,66 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Copyright (C) 2022 Plato Mavropoulos
Copyright (C) 2022-2024 Plato Mavropoulos
"""
from common.path_ops import project_root, safe_path
from common.system import get_os_ver
# https://github.com/allowitsme/big-tool by Dmitry Frolov
# https://github.com/platomav/BGScriptTool by Plato Mavropoulos
def get_bgs_tool():
"""
https://github.com/allowitsme/big-tool by Dmitry Frolov
https://github.com/platomav/BGScriptTool by Plato Mavropoulos
"""
try:
# noinspection PyUnresolvedReferences
from external.big_script_tool import BigScript # pylint: disable=E0401,E0611
except Exception:
BigScript = None
return BigScript
from external.big_script_tool import BigScript # pylint: disable=C0415
# Get UEFIFind path
def get_uefifind_path():
exec_name = f'UEFIFind{".exe" if get_os_ver()[1] else ""}'
return safe_path(project_root(), ['external', exec_name])
return BigScript
except ModuleNotFoundError:
pass
# Get UEFIExtract path
def get_uefiextract_path():
exec_name = f'UEFIExtract{".exe" if get_os_ver()[1] else ""}'
return safe_path(project_root(), ['external', exec_name])
return None
def get_comextract_path() -> str:
""" Get ToshibaComExtractor path """
# Get ToshibaComExtractor path
def get_comextract_path():
exec_name = f'comextract{".exe" if get_os_ver()[1] else ""}'
return safe_path(project_root(), ['external', exec_name])
def get_szip_path() -> str:
""" Get 7-Zip path """
exec_name = '7z.exe' if get_os_ver()[1] else '7zzs'
return safe_path(project_root(), ['external', exec_name])
def get_tiano_path() -> str:
""" Get TianoCompress path """
exec_name = f'TianoCompress{".exe" if get_os_ver()[1] else ""}'
return safe_path(project_root(), ['external', exec_name])
def get_uefifind_path() -> str:
""" Get UEFIFind path """
exec_name = f'UEFIFind{".exe" if get_os_ver()[1] else ""}'
return safe_path(project_root(), ['external', exec_name])
def get_uefiextract_path() -> str:
""" Get UEFIExtract path """
exec_name = f'UEFIExtract{".exe" if get_os_ver()[1] else ""}'
return safe_path(project_root(), ['external', exec_name])

23
common/num_ops.py
View file

@ -1,14 +1,19 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Copyright (C) 2022 Plato Mavropoulos
Copyright (C) 2022-2024 Plato Mavropoulos
"""
# https://leancrew.com/all-this/2020/06/ordinals-in-python/ by Dr. Drang
def get_ordinal(number):
s = ('th', 'st', 'nd', 'rd') + ('th',) * 10
v = number % 100
return f'{number}{s[v % 10]}' if v > 13 else f'{number}{s[v]}'
"""
Get ordinal (textual) representation of input numerical value
https://leancrew.com/all-this/2020/06/ordinals-in-python/ by Dr. Drang
"""
txt = ('th', 'st', 'nd', 'rd') + ('th',) * 10
val = number % 100
return f'{number}{txt[val % 10]}' if val > 13 else f'{number}{txt[val]}'

167
common/path_ops.py
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@ -1,154 +1,213 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Copyright (C) 2022 Plato Mavropoulos
Copyright (C) 2022-2024 Plato Mavropoulos
"""
import os
import re
import sys
import stat
import shutil
import stat
import sys
from pathlib import Path, PurePath
from common.system import get_os_ver
from common.text_ops import is_encased, to_string
# Fix illegal/reserved Windows characters
MAX_WIN_COMP_LEN = 255
def safe_name(in_name):
"""
Fix illegal/reserved Windows characters
Can also be used to nuke dangerous paths
"""
name_repr = repr(in_name).strip("'")
return re.sub(r'[\\/:"*?<>|]+', '_', name_repr)
# Check and attempt to fix illegal/unsafe OS path traversals
def safe_path(base_path, user_paths):
""" Check and attempt to fix illegal/unsafe OS path traversals """
# Convert base path to absolute path
base_path = real_path(base_path)
# Merge user path(s) to string with OS separators
user_path = to_string(user_paths, os.sep)
# Create target path from base + requested user path
target_path = norm_path(base_path, user_path)
# Check if target path is OS illegal/unsafe
if is_safe_path(base_path, target_path):
return target_path
# Re-create target path from base + leveled/safe illegal "path" (now file)
nuked_path = norm_path(base_path, safe_name(user_path))
# Check if illegal path leveling worked
if is_safe_path(base_path, nuked_path):
return nuked_path
# Still illegal, raise exception to halt execution
raise Exception(f'ILLEGAL_PATH_TRAVERSAL: {user_path}')
# Check for illegal/unsafe OS path traversal
# Still illegal, raise exception to halt execution
raise OSError(f'Encountered illegal path traversal: {user_path}')
def is_safe_path(base_path, target_path):
""" Check for illegal/unsafe OS path traversal """
base_path = real_path(base_path)
target_path = real_path(target_path)
common_path = os.path.commonpath((base_path, target_path))
return base_path == common_path
# Create normalized base path + OS separator + user path
def norm_path(base_path, user_path):
""" Create normalized base path + OS separator + user path """
return os.path.normpath(base_path + os.sep + user_path)
# Get absolute path, resolving any symlinks
def real_path(in_path):
""" Get absolute path, resolving any symlinks """
return os.path.realpath(in_path)
# Get Windows/Posix OS agnostic path
def agnostic_path(in_path):
""" Get Windows/Posix OS agnostic path """
return PurePath(in_path.replace('\\', os.sep))
# Get absolute parent of path
def path_parent(in_path):
""" Get absolute parent of path """
return Path(in_path).parent.absolute()
# Get final path component, with suffix
def path_name(in_path):
return PurePath(in_path).name
# Get final path component, w/o suffix
def path_name(in_path, limit=False):
""" Get final path component, with suffix """
comp_name = PurePath(in_path).name
if limit and get_os_ver()[1]:
comp_name = comp_name[:MAX_WIN_COMP_LEN - len(extract_suffix())]
return comp_name
def path_stem(in_path):
""" Get final path component, w/o suffix """
return PurePath(in_path).stem
# Get list of path file extensions
def path_suffixes(in_path):
""" Get list of path file extensions """
return PurePath(in_path).suffixes or ['']
# Check if path is absolute
def is_path_absolute(in_path):
""" Check if path is absolute """
return Path(in_path).is_absolute()
# Create folder(s), controlling parents, existence and prior deletion
def make_dirs(in_path, parents=True, exist_ok=False, delete=False):
""" Create folder(s), controlling parents, existence and prior deletion """
if delete:
del_dirs(in_path)
Path.mkdir(Path(in_path), parents=parents, exist_ok=exist_ok)
# Delete folder(s), if present
def del_dirs(in_path):
if Path(in_path).is_dir():
shutil.rmtree(in_path, onerror=clear_readonly)
# Copy file to path with or w/o metadata
def del_dirs(in_path):
""" Delete folder(s), if present """
if Path(in_path).is_dir():
shutil.rmtree(in_path, onerror=clear_readonly_callback)
def copy_file(in_path, out_path, meta=False):
""" Copy file to path with or w/o metadata """
if meta:
shutil.copy2(in_path, out_path)
else:
shutil.copy(in_path, out_path)
# Clear read-only file attribute (on shutil.rmtree error)
def clear_readonly(in_func, in_path, _):
def clear_readonly(in_path):
""" Clear read-only file attribute """
os.chmod(in_path, stat.S_IWRITE)
def clear_readonly_callback(in_func, in_path, _):
""" Clear read-only file attribute (on shutil.rmtree error) """
clear_readonly(in_path)
in_func(in_path)
# Walk path to get all files
def get_path_files(in_path):
""" Walk path to get all files """
path_files = []
for root, _, files in os.walk(in_path):
for name in files:
path_files.append(os.path.join(root, name))
return path_files
# Get path without leading/trailing quotes
def get_dequoted_path(in_path):
""" Get path without leading/trailing quotes """
out_path = to_string(in_path).strip()
if len(out_path) >= 2 and is_encased(out_path, ("'",'"')):
if len(out_path) >= 2 and is_encased(out_path, ("'", '"')):
out_path = out_path[1:-1]
return out_path
# Set utility extraction stem
def extract_suffix():
""" Set utility extraction stem """
return '_extracted'
# Get utility extraction path
def get_extract_path(in_path, suffix=extract_suffix()):
""" Get utility extraction path """
return f'{in_path}{suffix}'
# Get project's root directory
def project_root():
root = Path(__file__).parent.parent
return real_path(root)
# Get runtime's root directory
def project_root():
""" Get project's root directory """
return real_path(Path(__file__).parent.parent)
def runtime_root():
""" Get runtime's root directory """
if getattr(sys, 'frozen', False):
root = Path(sys.executable).parent
else:
root = project_root()
return real_path(root)

6
common/patterns.py
View file

@ -1,8 +1,8 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Copyright (C) 2022 Plato Mavropoulos
Copyright (C) 2022-2024 Plato Mavropoulos
"""
import re

65
common/pe_ops.py
View file

@ -1,8 +1,8 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Copyright (C) 2022 Plato Mavropoulos
Copyright (C) 2022-2024 Plato Mavropoulos
"""
import pefile
@ -10,40 +10,57 @@ import pefile
from common.system import printer
from common.text_ops import file_to_bytes
# Check if input is a PE file
def is_pe_file(in_file):
return bool(get_pe_file(in_file))
# Get pefile object from PE file
def get_pe_file(in_file, fast=True):
def is_pe_file(in_file: str | bytes) -> bool:
""" Check if input is a PE file """
return bool(get_pe_file(in_file, silent=True))
def get_pe_file(in_file: str | bytes, padding: int = 0, fast: bool = True, silent: bool = False) -> pefile.PE | None:
""" Get pefile object from PE file """
in_buffer = file_to_bytes(in_file)
pe_file = None
try:
# Analyze detected MZ > PE image buffer
pe_file = pefile.PE(data=in_buffer, fast_load=fast)
except Exception:
pe_file = None
except Exception as error: # pylint: disable=broad-except
if not silent:
_filename = in_file if type(in_file).__name__ == 'string' else 'buffer'
printer(f'Error: Could not get pefile object from {_filename}: {error}!', padding)
return pe_file
# Get PE info from pefile object
def get_pe_info(pe_file):
def get_pe_info(pe_file: pefile.PE, padding: int = 0, silent: bool = False) -> dict:
""" Get PE info from pefile object """
pe_info = {}
try:
# When fast_load is used, IMAGE_DIRECTORY_ENTRY_RESOURCE must be parsed prior to FileInfo > StringTable
pe_file.parse_data_directories(directories=[pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_RESOURCE']])
# Retrieve MZ > PE > FileInfo > StringTable information
pe_info = pe_file.FileInfo[0][0].StringTable[0].entries
except Exception:
pe_info = {}
except Exception as error: # pylint: disable=broad-except
if not silent:
printer(f'Error: Could not get PE info from pefile object: {error}!', padding)
return pe_info
# Print PE info from pefile StringTable
def show_pe_info(pe_info, padding=0):
if type(pe_info).__name__ == 'dict':
for title,value in pe_info.items():
info_title = title.decode('utf-8','ignore').strip()
info_value = value.decode('utf-8','ignore').strip()
def show_pe_info(pe_info: dict, padding: int = 0) -> None:
""" Print PE info from pefile StringTable """
if isinstance(pe_info, dict):
for title, value in pe_info.items():
info_title = title.decode('utf-8', 'ignore').strip()
info_value = value.decode('utf-8', 'ignore').strip()
if info_title and info_value:
printer(f'{info_title}: {info_value}', padding, new_line=False)

30
common/struct_ops.py
View file

@ -1,26 +1,32 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Copyright (C) 2022 Plato Mavropoulos
Copyright (C) 2022-2024 Plato Mavropoulos
"""
import ctypes
char = ctypes.c_char
uint8_t = ctypes.c_ubyte
uint16_t = ctypes.c_ushort
uint32_t = ctypes.c_uint
uint64_t = ctypes.c_uint64
Char: type[ctypes.c_char] | int = ctypes.c_char
UInt8: type[ctypes.c_ubyte] | int = ctypes.c_ubyte
UInt16: type[ctypes.c_ushort] | int = ctypes.c_ushort
UInt32: type[ctypes.c_uint] | int = ctypes.c_uint
UInt64: type[ctypes.c_uint64] | int = ctypes.c_uint64
# https://github.com/skochinsky/me-tools/blob/master/me_unpack.py by Igor Skochinsky
def get_struct(buffer, start_offset, class_name, param_list=None):
if param_list is None:
param_list = []
"""
https://github.com/skochinsky/me-tools/blob/master/me_unpack.py by Igor Skochinsky
"""
parameters = [] if param_list is None else param_list
structure = class_name(*parameters) # Unpack parameter list
structure = class_name(*param_list) # Unpack parameter list
struct_len = ctypes.sizeof(structure)
struct_data = buffer[start_offset:start_offset + struct_len]
fit_len = min(len(struct_data), struct_len)
ctypes.memmove(ctypes.addressof(structure), struct_data, fit_len)

78
common/system.py
View file

@ -1,68 +1,84 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Copyright (C) 2022 Plato Mavropoulos
Copyright (C) 2022-2024 Plato Mavropoulos
"""
import sys
from common.text_ops import padder, to_string
# Get Python Version (tuple)
def get_py_ver():
""" Get Python Version (tuple) """
return sys.version_info
# Get OS Platform (string)
def get_os_ver():
""" Get OS Platform (string) """
sys_os = sys.platform
is_win = sys_os == 'win32'
is_lnx = sys_os.startswith('linux') or sys_os == 'darwin' or sys_os.find('bsd') != -1
return sys_os, is_win, is_win or is_lnx
# Check for --auto-exit|-e
def is_auto_exit():
""" Check for --auto-exit|-e """
return bool('--auto-exit' in sys.argv or '-e' in sys.argv)
# Check Python Version
def check_sys_py():
""" # Check Python Version """
sys_py = get_py_ver()
if sys_py < (3,10):
if sys_py < (3, 10):
sys.stdout.write(f'\nError: Python >= 3.10 required, not {sys_py[0]}.{sys_py[1]}!')
if not is_auto_exit():
# noinspection PyUnresolvedReferences
(raw_input if sys_py[0] <= 2 else input)('\nPress enter to exit') # pylint: disable=E0602
(raw_input if sys_py[0] <= 2 else input)('\nPress enter to exit') # pylint: disable=E0602
sys.exit(125)
# Check OS Platform
def check_sys_os():
os_tag,os_win,os_sup = get_os_ver()
""" Check OS Platform """
os_tag, os_win, os_sup = get_os_ver()
if not os_sup:
printer(f'Error: Unsupported platform "{os_tag}"!')
if not is_auto_exit():
input('\nPress enter to exit')
sys.exit(126)
sys.exit(126)
# Fix Windows Unicode console redirection
if os_win:
# noinspection PyUnresolvedReferences
sys.stdout.reconfigure(encoding='utf-8')
# Show message(s) while controlling padding, newline, pausing & separator
def printer(in_message='', padd_count=0, new_line=True, pause=False, sep_char=' '):
message = to_string(in_message, sep_char)
padding = padder(padd_count)
def printer(message=None, padd=0, new_line=True, pause=False, sep_char=' '):
""" Show message(s), controlling padding, newline, pausing & separator """
message_input = '' if message is None else message
string = to_string(message_input, sep_char)
padding = padder(padd)
newline = '\n' if new_line else ''
output = newline + padding + message
(input if pause and not is_auto_exit() else print)(output)
message_output = newline + padding + string
(input if pause and not is_auto_exit() else print)(message_output)

119
common/templates.py
View file

@ -1,111 +1,122 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Copyright (C) 2022 Plato Mavropoulos
Copyright (C) 2022-2024 Plato Mavropoulos
"""
import argparse
import ctypes
import os
import sys
import ctypes
import argparse
import traceback
from common.num_ops import get_ordinal
from common.path_ops import get_dequoted_path, get_extract_path, get_path_files, is_path_absolute, path_parent, runtime_root, safe_path
from common.path_ops import (get_dequoted_path, get_extract_path, get_path_files,
is_path_absolute, path_name, path_parent, real_path, runtime_root)
from common.system import check_sys_os, check_sys_py, get_os_ver, is_auto_exit, printer
class BIOSUtility:
""" Template utility class for BIOSUtilities """
MAX_FAT32_ITEMS = 65535
def __init__(self, title, check, main, padding=0):
def __init__(self, title, check, main, args=None, padding=0):
self._title = title
self._main = main
self._check = check
self._arg_defs = args if args is not None else []
self._padding = padding
self._arguments_kw = {}
self._arguments_kw_dest = []
# Initialize argparse argument parser
self._argparser = argparse.ArgumentParser()
self._argparser.add_argument('files', type=argparse.FileType('r', encoding='utf-8'), nargs='*')
self._argparser.add_argument('-e', '--auto-exit', help='skip all user action prompts', action='store_true')
self._argparser.add_argument('-v', '--version', help='show utility name and version', action='store_true')
self._argparser.add_argument('-o', '--output-dir', help='extract in given output directory')
self._argparser.add_argument('-i', '--input-dir', help='extract from given input directory')
self._arguments,self._arguments_unk = self._argparser.parse_known_args()
for _arg_def in self._arg_defs:
_action = self._argparser.add_argument(*_arg_def[0], **_arg_def[1])
self._arguments_kw_dest.append(_action.dest)
self._arguments, _ = self._argparser.parse_known_args()
for _arg_dest in self._arguments_kw_dest:
self._arguments_kw.update({_arg_dest: self._arguments.__dict__[_arg_dest]})
# Managed Python exception handler
sys.excepthook = self._exception_handler
# Check Python Version
check_sys_py()
# Check OS Platform
check_sys_os()
# Show Script Title
printer(self._title, new_line=False)
# Show Utility Version on demand
if self._arguments.version:
sys.exit(0)
# Set console/terminal window title (Windows only)
if get_os_ver()[1]:
ctypes.windll.kernel32.SetConsoleTitleW(self._title)
# Process input files and generate output path
self._process_input_files()
# Count input files for exit code
self._exit_code = len(self._input_files)
def parse_argument(self, *args, **kwargs):
_dest = self._argparser.add_argument(*args, **kwargs).dest
self._arguments = self._argparser.parse_known_args(self._arguments_unk)[0]
self._arguments_kw.update({_dest: self._arguments.__dict__[_dest]})
def run_utility(self):
""" Run utility after checking for supported format """
for _input_file in self._input_files:
_input_name = os.path.basename(_input_file)
_input_name = path_name(_input_file, limit=True)
printer(['***', _input_name], self._padding)
if not self._check(_input_file):
printer('Error: This is not a supported input!', self._padding + 4)
continue # Next input file
continue # Next input file
_extract_path = os.path.join(self._output_path, get_extract_path(_input_name))
if os.path.isdir(_extract_path):
for _suffix in range(2, self.MAX_FAT32_ITEMS):
_renamed_path = f'{os.path.normpath(_extract_path)}_{get_ordinal(_suffix)}'
if not os.path.isdir(_renamed_path):
_extract_path = _renamed_path
break # Extract path is now unique
break # Extract path is now unique
if self._main(_input_file, _extract_path, self._padding + 4, **self._arguments_kw) in [0, None]:
self._exit_code -= 1
printer('Done!', pause=True)
sys.exit(self._exit_code)
# Process input files
def _process_input_files(self):
self._input_files = []
if len(sys.argv) >= 2:
# Drag & Drop or CLI
if self._arguments.input_dir:
_input_path_user = self._arguments.input_dir
_input_path_full = self._get_input_path(_input_path_user) if _input_path_user else ''
_input_path_full = self._get_user_path(_input_path_user) if _input_path_user else ''
self._input_files = get_path_files(_input_path_full)
else:
# Parse list of input files (i.e. argparse FileType objects)
@ -114,25 +125,25 @@ class BIOSUtility:
self._input_files.append(_file_object.name)
# Close each argparse FileType object (i.e. allow input file changes)
_file_object.close()
# Set output fallback value for missing argparse Output and Input Path
_output_fallback = path_parent(self._input_files[0]) if self._input_files else None
# Set output path via argparse Output path or argparse Input path or first input file path
_output_path = self._arguments.output_dir or self._arguments.input_dir or _output_fallback
else:
# Script w/o parameters
_input_path_user = get_dequoted_path(input('\nEnter input directory path: '))
_input_path_full = self._get_input_path(_input_path_user) if _input_path_user else ''
_input_path_full = self._get_user_path(_input_path_user) if _input_path_user else ''
self._input_files = get_path_files(_input_path_full)
_output_path = get_dequoted_path(input('\nEnter output directory path: '))
self._output_path = self._get_input_path(_output_path)
# Get absolute input file path
self._output_path = self._get_user_path(_output_path)
# Get absolute user file path
@staticmethod
def _get_input_path(input_path):
def _get_user_path(input_path):
if not input_path:
# Use runtime directory if no user path is specified
absolute_path = runtime_root()
@ -142,8 +153,8 @@ class BIOSUtility:
absolute_path = input_path
# Otherwise, make it runtime directory relative
else:
absolute_path = safe_path(runtime_root(), input_path)
absolute_path = real_path(input_path)
return absolute_path
# https://stackoverflow.com/a/781074 by Torsten Marek
@ -153,7 +164,7 @@ class BIOSUtility:
printer('')
else:
printer('Error: Utility crashed, please report the following:\n')
traceback.print_exception(exc_type, exc_value, exc_traceback)
if not is_auto_exit():

39
common/text_ops.py
View file

@ -1,33 +1,48 @@
#!/usr/bin/env python3
#coding=utf-8
#!/usr/bin/env python3 -B
# coding=utf-8
"""
Copyright (C) 2022 Plato Mavropoulos
Copyright (C) 2022-2024 Plato Mavropoulos
"""
# Generate padding (spaces or tabs)
def padder(padd_count, tab=False):
""" Generate padding (spaces or tabs) """
return ('\t' if tab else ' ') * padd_count
# Get String from given input object
def to_string(in_object, sep_char=''):
if type(in_object).__name__ in ('list','tuple'):
""" Get String from given input object """
if type(in_object).__name__ in ('list', 'tuple'):
out_string = sep_char.join(map(str, in_object))
else:
out_string = str(in_object)
return out_string
# Get Bytes from given buffer or file path
def file_to_bytes(in_object):
""" Get Bytes from given buffer or file path """
object_bytes = in_object
if type(in_object).__name__ not in ('bytes','bytearray'):
if type(in_object).__name__ not in ('bytes', 'bytearray'):
with open(to_string(in_object), 'rb') as object_data:
object_bytes = object_data.read()
return object_bytes
# Check if string starts and ends with given character(s)
def bytes_to_hex(buffer: bytes, order: str, data_len: int, slice_len: int | None = None) -> str:
""" Converts bytes to hex string, controlling endianess, data size and string slicing """
# noinspection PyTypeChecker
return f'{int.from_bytes(buffer, order):0{data_len * 2}X}'[:slice_len]
def is_encased(in_string, chars):
""" Check if string starts and ends with given character(s) """
return in_string.startswith(chars) and in_string.endswith(chars)

2
external/requirements.txt vendored
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@ -1,2 +0,0 @@
lznt1 >= 0.2
pefile >= 2022.5.30

2
requirements.txt Normal file
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@ -0,0 +1,2 @@
dissect.util == 3.15
pefile == 2023.2.7