mirror of
https://github.com/86Box/bios-tools.git
synced 2026-02-22 01:25:34 -07:00
2526 lines
81 KiB
Python
2526 lines
81 KiB
Python
#!/usr/bin/python3
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#
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# 86Box A hypervisor and IBM PC system emulator that specializes in
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# running old operating systems and software designed for IBM
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# PC systems and compatibles from 1981 through fairly recent
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# system designs based on the PCI bus.
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#
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# This file is part of the 86Box BIOS Tools distribution.
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#
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# BIOS image analyzer classes.
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#
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#
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#
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# Authors: RichardG, <richardg867@gmail.com>
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#
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# Copyright 2021 RichardG.
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#
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import codecs, re, struct, sys
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from . import util
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class Checker:
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def __init__(self, pattern, flags):
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self.pattern = pattern
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self.flags = flags
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def match(self, line):
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raise NotImplementedError()
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class AlwaysRunChecker(Checker):
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def match(self, line):
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return True
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SUBSTRING_CASE_SENSITIVE = 0
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SUBSTRING_CASE_INSENSITIVE = 1
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SUBSTRING_FULL_STRING = 2
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SUBSTRING_BEGINNING = 4
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class SubstringChecker(Checker):
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def __init__(self, pattern, flags):
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super().__init__(pattern, flags)
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if self.flags & SUBSTRING_CASE_INSENSITIVE:
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self.pattern = self.pattern.lower()
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def match(self, line):
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if self.flags & SUBSTRING_CASE_INSENSITIVE:
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line = line.lower()
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if self.flags & SUBSTRING_FULL_STRING:
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return self.pattern == line
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elif self.flags & SUBSTRING_BEGINNING:
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return self.pattern == line[:len(self.pattern)]
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else:
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index = line.find(self.pattern)
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if index > -1:
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return (index,)
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else:
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return False
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def __repr__(self):
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return '{cls}({pattern}{case})'.format(
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cls=self.__class__.__name__,
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pattern=repr(self.pattern),
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case=self.flags and ', case_insensitive' or ''
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)
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class RegexChecker(Checker):
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def __init__(self, pattern, flags):
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super().__init__(pattern, flags)
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if pattern:
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self.pattern = re.compile(pattern, flags=flags)
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if pattern[0:1] == '^':
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pattern = pattern[1:]
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self.re_func = self.pattern.match
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else:
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self.re_func = self.pattern.search
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else:
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self.pattern = None
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self.re_func = self._dummy_always_false
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def _dummy_always_false(self, line):
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return False
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def match(self, line):
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return self.re_func(line)
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def __repr__(self):
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return '{cls}({pattern}, {func})'.format(
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cls=self.__class__.__name__,
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pattern=self.pattern,
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func=self.re_func == self.pattern.match and 'match' or 'search'
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)
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class AbortAnalysisError(Exception):
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pass
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class Analyzer:
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def __init__(self, vendor, debug=False):
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self.vendor_id = self.vendor = vendor
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self.debug = debug
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self._check_list = []
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self.reset()
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def analyze_line(self, line):
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"""Analyze a string found on the given file."""
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for callback, checker in self._check_list:
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if type(callback) == tuple:
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pre_check_func, callback_func = callback
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if not pre_check_func(line):
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continue
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else:
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callback_func = callback
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checker_result = checker.match(line)
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if checker_result:
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callback_result = callback_func(line, checker_result)
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if callback_result:
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self.debug_print(callback_func.__name__, line)
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return callback_result
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def can_analyze(self):
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"""Returns True if the given file's strings should be analyzed."""
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return len(self._check_list) > 0
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def can_handle(self, file_data, header_data):
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"""Returns True if this analyzer can handle the given file data.
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header_data contains data from the :header: flag file, or
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None if no such file exists."""
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return True
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def debug_print(self, key, line=None):
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"""Print a line containing analyzer state if debugging is enabled."""
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if self.debug:
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print(self._file_path, '=> found', self.vendor_id, key, '=', (line == None) and 'no line' or repr(line), '\n', end='', file=sys.stderr)
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def register_check_list(self, check_list):
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"""Register the list of checks this analyzer will handle.
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This function accepts a list of tuples, each containing:
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- callback or (pre-checker, callback)
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- checker class
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- checker flags (optional)
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"""
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for entry in check_list:
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# Make a tuple out of a non-tuple.
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if type(entry) != tuple:
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entry = (entry,)
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# Extract parameters.
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if len(entry) >= 3:
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callback, checker_class, flags = entry
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else:
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callback, checker_class = entry
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flags = 0
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# Add to check list.
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if type(callback) == tuple:
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pattern = callback[1].__doc__
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else:
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pattern = callback.__doc__
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self._check_list.append((callback, checker_class(pattern, flags)))
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def reset(self):
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"""Restore this analyzer to its initial state."""
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self.version = ''
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self.string = ''
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self.signon = ''
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self.addons = []
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self.oroms = []
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self._file_path = '?'
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class NoInfoAnalyzer(Analyzer):
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"""Special analyzer for BIOSes which can be identified,
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but contain no information to be extracted."""
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def __init__(self, vendor, *args, **kwargs):
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super().__init__(vendor, *args, **kwargs)
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def can_handle(self, file_data, header_data):
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if not self.has_strings(file_data):
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return False
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self.version = '?'
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return True
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def has_strings(self, file_data):
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"""Returns True if this analyzer can handle the given file data."""
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raise NotImplementedError()
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class AcerAnalyzer(Analyzer):
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def __init__(self, *args, **kwargs):
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super().__init__('Acer', *args, **kwargs)
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self.register_check_list([
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(self._signon_486, RegexChecker),
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((self._version_precheck, self._version), RegexChecker),
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(self._string, RegexChecker),
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])
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def reset(self):
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super().reset()
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self._cpus = []
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self._trap_version = False
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def can_handle(self, file_data, header_data):
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return b'Copyright (C) Acer Incorporated 1990' in file_data or b'Acer Boot Block v1.0' in file_data
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def _version_precheck(self, line):
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return self._trap_version
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def _version_r(self, line, match):
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'''^R([0-9])\.([0-9])'''
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# Extract version.
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self.version = match.group(0)
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return True
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def _version(self, line, match):
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'''V([0-9])\.([0-9])'''
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# Extract version.
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self.version = match.group(0)
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return True
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def _signon_486(self, line, match):
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'''^(?:((?:PCI/)?(?:E)?ISA) )?(.+) BIOS $'''
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# Stop if the CPU is invalid.
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cpu = match.group(2)
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if cpu in ('E)', 'AM') or 'SCSI' in cpu or '(tm)' in cpu:
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# "E)", "SCSI" (V55LA-2 R03-B1S0)
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# "(tm)" (Fortress 1100)
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# "AM" (V66LT)
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return False
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# Add CPU to the sign-on if it wasn't already seen.
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if cpu not in self._cpus:
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self._cpus.append(cpu)
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linebreak_index = self.signon.find('\n')
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if linebreak_index > -1:
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first_signon_line = self.signon[:linebreak_index]
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else:
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first_signon_line = self.signon
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if first_signon_line:
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first_signon_line += '/'
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first_signon_line += cpu
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if linebreak_index > -1:
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self.signon = first_signon_line + self.signon[linebreak_index:]
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else:
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self.signon = first_signon_line
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# Add any prefix to the sign-on.
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prefix = match.group(1)
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if prefix and self.signon[:len(prefix) + 1] != (prefix + ' '):
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self.signon = prefix + ' ' + self.signon
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# Read revision on the next non-string line.
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self._trap_version = True
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return True
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def _string(self, line, match):
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'''([A-Z]{3}[0-9A-F]{2}[A-Z0-9]{3}-[A-Z0-9]{3}-[0-9]{6}-[^\s]+)(?:\s+(.+))?'''
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# Extract string.
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self.string = match.group(1)
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# Extract sign-on if present.
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signon = match.group(2)
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if signon:
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if self.signon:
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self.signon += '\n'
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self.signon = signon.strip()
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# Read version on the next line.
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self._trap_version = True
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return True
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class AcerMultitechAnalyzer(Analyzer):
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def __init__(self, *args, **kwargs):
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super().__init__('AcerMultitech', *args, **kwargs)
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self.vendor = 'Acer'
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self._version_pattern = re.compile(b'''Multitech Industrial Corp\..BIOS ([^\s]+ [^\s\\x00]+)''')
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def can_handle(self, file_data, header_data):
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# Look for version and date.
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match = self._version_pattern.search(file_data)
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if not match:
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return False
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# Set static version.
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self.version = 'Multitech'
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# Extract date and version as a string.
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self.string = match.group(1).decode('cp437', 'ignore')
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return True
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class AMIAnalyzer(Analyzer):
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def __init__(self, *args, **kwargs):
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super().__init__('AMI', *args, **kwargs)
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self._check_pattern = re.compile(b'''American Megatrends Inc|AMIBIOSC| Access Methods Inc\\.|AMI- ([0-9]{2}/[0-9]{2}/[0-9]{2}) (?:IBM is a TM of IBM|[\\x00-\\xFF]{2} AMI-[^-]+-BIOS )''')
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self._date_pattern = re.compile(b'''([0-9]{2}/[0-9]{2}/[0-9]{2})[^0-9]''')
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self._uefi_csm_pattern = re.compile('''63-0100-000001-00101111-......-Chipset$''')
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self._intel_86_pattern = re.compile('''(?:[0-9A-Z]{8})\.86(?:[0-9A-Z])\.(?:[0-9A-Z]{4})\.(?:[0-9A-Z]{3})\.(?:[0-9]{10})$''')
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# The "All Rights Reserved" is important to not catch the same header on other files.
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# AMIBIOS 6+ version corner cases:
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# - Second digit not 0 (I forget which one had 000000)
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# - Can be 4-digit instead of 6-digit (Biostar)
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self._id_block_pattern = re.compile(b'''(?:AMIBIOS (?:(0[1-9][0-9]{2}[\\x00-\\xFF]{2})[\\x00-\\xFF]{2}|W ([0-9]{2}) ([0-9]{2})[\\x00-\\xFF])|0123AAAAMMMMIIII|\(AAMMIIBBIIOOSS\))([0-9]{2}/[0-9]{2}/[0-9]{2})\(C\)[0-9]{4} American Megatrends,? Inc(?:\.,? All Rights Reserved|/Hewlett-Packard Company)''')
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# Weird TGem identifier (TriGem 486-BIOS)
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self._precolor_block_pattern = re.compile(b'''\\(C\\)(?:[0-9]{4}(?:AMI,404-263-8181|TGem-HCS,PSC,JGS)|( Access Methods Inc\.))''')
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# "Date:-" might not have a space after it (Intel AMI)
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# "\xFF\xFF\xFF\xFFFLASH-" (Everex EISA 386-BIOS)
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# Encoded "EVALUATION COPY" as a backup ("ami2939", possibly others without a date)
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self._precolor_date_pattern = re.compile(b'''(?:(?: Date:- ?|AMI- )[0-9]{2}/[0-9]{2}/[0-9]{2}|DDaattee(?:::| )--(?: )?([0-9])\\1([0-9])\\2//([0-9])\\3([0-9])\\4//([0-9])\\5([0-9])\\6|\\xFF{4}FLASH-[0-9]{6})|\\xFE\\xD5\\x4D\\xF5\\x9D\\x55\\xF5\\x5D\\xB5\\x85\\x8D\\xFE\\xE5\\x85\\x7D\\x35\\x9E\\xFE\\x8D\\x85\\x5D\\xFE\\xCD\\x85\\x6D\\xFE\\x65\\xF5\\x9D\\xD5''')
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# Variable gap between sync bytes (first bytes of the ROM) and the date.
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# "\xFF\xFF\xFF\xFFFLASH-" (Everex EISA 386-BIOS)
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self._precolor_core_date_pattern = re.compile(b'''\\xAA\\x55[\\x00-\\xFF]{1,16}([0-9]{2}/[0-9]{2}/[0-9]{2})|\\xFF{4}FLASH-([0-9]{2})([0-9]{2})([0-9]{2})''')
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# Decoded: "\xFE([^-]{4}-(?:[^-]{4}-)?[^-]{6}|Ref\. [\x00-\xFF]{1,64})"
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# "Ref. " (Everex EISA 386-BIOS) - let the code handle termination
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self._precolor_string_pattern = re.compile(b'''\\xFE([\\x00-\\x95\\x97-\\xFF]{4}\\x96(?:[\\x00-\\x95\\x97-\\xFF]{4}\\x96)?[\\x00-\\x95\\x97-\\xFF]{6}|\\x6D\\xD4\\xCC\\x8E\\xFE[\\x00-\\xFF]{1,64})''')
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self._precolor_signon_pattern = re.compile(b'''BIOS \\(C\\).*(?:AMI|American Megatrends Inc), for ([\\x0D\\x0A\\x20-\\x7E]+)''')
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# Decoded: "\(C\)AMI, \(([^\)]{11})\)"
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self._8088_string_pattern = re.compile(b'''\\xEC\\x5F\\x6C\\x60\\x5A\\x5C\\xEA\\xF0\\xEC([\\x00-\\x6B\\x6D-\\xFF]{11})\\x6C''')
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self.register_check_list([
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(self._string_pcchips, RegexChecker),
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(self._string_setupheader, RegexChecker),
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(self._signon_intel, RegexChecker),
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(self._addons_color, SubstringChecker, SUBSTRING_FULL_STRING | SUBSTRING_CASE_SENSITIVE),
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(self._addons_easy, SubstringChecker, SUBSTRING_BEGINNING | SUBSTRING_CASE_SENSITIVE),
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(self._addons_hiflex, SubstringChecker, SUBSTRING_BEGINNING | SUBSTRING_CASE_SENSITIVE),
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(self._addons_new, SubstringChecker, SUBSTRING_BEGINNING | SUBSTRING_CASE_SENSITIVE),
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(self._addons_simple, SubstringChecker, SUBSTRING_BEGINNING | SUBSTRING_CASE_SENSITIVE),
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(self._addons_winbios, SubstringChecker, SUBSTRING_FULL_STRING | SUBSTRING_CASE_SENSITIVE),
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])
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def can_handle(self, file_data, header_data):
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check_match = self._check_pattern.search(file_data)
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if not check_match:
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return False
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# Some Intel BIOSes may fail to decompress, in which case, we have to
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# rely on the header version data to get the Intel version sign-on.
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if header_data:
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AMIIntelAnalyzer.can_handle(self, file_data, header_data)
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# Check post-Color identification block.
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match = self._id_block_pattern.search(file_data)
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if match:
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# Determine location of the identification block.
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id_block_index = match.start(0)
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# Extract version.
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version_6plus = match.group(1)
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if version_6plus:
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# AMIBIOS 6 onwards.
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self.version = version_6plus.decode('cp437', 'ignore')
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# Pad 4-digit versions. (Biostar)
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if self.version[-1] not in '0123456789':
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self.version = self.version[:4] + '00'
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else:
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# WinBIOS (AMIBIOS 4/5)
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version_winbios_maj = match.group(2)
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version_winbios_min = match.group(3)
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if version_winbios_maj and version_winbios_min:
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self.version = (version_winbios_maj + version_winbios_min).decode('cp437', 'ignore') + '00'
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self.addons.append('WinBIOS')
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else:
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# AMI Color date.
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self.version = match.group(4).decode('cp437', 'ignore')
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# Extract string.
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self.string = util.read_string(file_data[id_block_index + 0x78:id_block_index + 0xa0])
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# Add identification tag to the string if one is present.
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id_tag = util.read_string(file_data[id_block_index + 0xec:id_block_index + 0x100])
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if id_tag[:4] == '_TG_':
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self.string = self.string.rstrip() + '-' + id_tag[4:].lstrip()
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# Stop if this BIOS is actually Aptio UEFI CSM.
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if self._uefi_csm_pattern.match(self.string):
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return False
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# Extract sign-on, while removing carriage returns.
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self.signon = util.read_string(file_data[id_block_index + 0x100:id_block_index + 0x200])
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# The actual sign-on starts on the second line.
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self.signon = '\n'.join(x.rstrip('\r').strip() for x in self.signon.split('\n')[1:] if x != '\r').strip('\n')
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elif len(file_data) < 1024:
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# Ignore false positives from sannata readmes.
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return False
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elif self._precolor_date_pattern.search(file_data):
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# Check date, using a different pattern to differentiate core date from build date.
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match = self._precolor_core_date_pattern.search(file_data)
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if match:
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date_start = match.start(0)
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else:
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match = self._date_pattern.search(file_data)
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date_start = 0
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if match:
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# Extract date as the version.
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self.version = (match.group(1) or (match.group(2) + b'/' + match.group(3) + b'/' + match.group(4))).decode('cp437', 'ignore')
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# Check pre-Color identification block.
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match = self._precolor_block_pattern.search(file_data)
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if match:
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# Determine location of the identification block.
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id_block_index = match.start(0)
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# Locate the encoded string.
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match = self._precolor_string_pattern.search(file_data[date_start:])
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if match:
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# Extract string.
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buf = []
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for c in file_data[date_start + match.start(1):]:
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c = ~c & 0xff
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c = (c << 5) | (c >> 3)
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buf.append(c & 0x7f)
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if c & 0x80: # MSB termination
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break
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self.string = bytes(buf).decode('cp437', 'ignore')
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# Remove "-K" KBC suffix.
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# Note: K without preceding - is possible (Atari PC5)
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if self.string[-1:] == 'K':
|
|
self.string = self.string[:-1]
|
|
if self.string[-1:] == '-':
|
|
self.string = self.string[:-1]
|
|
else:
|
|
# Fallback if we can't find the encoded string.
|
|
self.string = '????'
|
|
|
|
# Add vendor ID.
|
|
self.string += '-' + codecs.encode(file_data[id_block_index - 0xbb:id_block_index - 0xb9], 'hex').decode('ascii', 'ignore').upper()
|
|
|
|
# Add date.
|
|
self.string += '-' + util.read_string(file_data[id_block_index + 0x9c:id_block_index + 0xa4]).replace('/', '').strip()
|
|
|
|
# Invalidate string if the identification block doesn't
|
|
# appear to be valid. (Intel AMI post-Color without string)
|
|
if self.string[:10] in ('????-0000-', '????-0166-'):
|
|
self.string = ''
|
|
return True
|
|
elif check_match.group(1): # 8088-BIOS header
|
|
# Extract version.
|
|
self.version = check_match.group(1).decode('cp437', 'ignore')
|
|
|
|
# Locate the encoded string.
|
|
match = self._8088_string_pattern.search(file_data)
|
|
if match:
|
|
# Extract string.
|
|
buf = []
|
|
for c in match.group(1):
|
|
c = -c & 0xff
|
|
c = (c << 1) | (c >> 7)
|
|
buf.append(c & 0x7f)
|
|
self.string = bytes(buf).decode('cp437', 'ignore')
|
|
else:
|
|
# Fallback if we can't find the encoded string.
|
|
self.string = '????-' + self.version.replace('/', '')
|
|
|
|
# Extract additional information after the copyright as a sign-on.
|
|
# (Shuttle 386SX, CDTEK 286, Flying Triumph Access Methods)
|
|
match = self._precolor_signon_pattern.search(file_data)
|
|
if match:
|
|
self.signon = match.group(1).decode('cp437', 'ignore')
|
|
|
|
# Split sign-on lines. (Video Technology Info-Tech 286-BIOS)
|
|
self.signon = '\n'.join(x.strip() for x in self.signon.split('\n') if x.strip()).strip('\n')
|
|
else:
|
|
# Assume this is not an AMI BIOS.
|
|
return False
|
|
|
|
return True
|
|
|
|
def _string_pcchips(self, line, match):
|
|
'''ADVANCED SYSTEM SETUP UTILITY VERSION.+PC CHIPS INC'''
|
|
|
|
# This is an early PC Chips BIOS.
|
|
if not self.string:
|
|
self.string = 'PC Chips'
|
|
|
|
return True
|
|
|
|
def _string_setupheader(self, line, match):
|
|
'''[a-z][0-9/]+([^\(]*(SETUP PROGRAM FOR | SETUP UTILITY)[^\(]*)\(C\)19'''
|
|
|
|
# Extract the setup header as a string if none was already found.
|
|
if not self.string:
|
|
self.string = match.group(1).replace(match.group(2), '')
|
|
|
|
return True
|
|
|
|
def _signon_intel(self, line, match):
|
|
'''^(?:(BIOS (?:Release|Version) )?([0-9]\.[0-9]{2}\.[0-9]{2}\.[A-Z][0-9A-Z]{1,})|(?:\$IBIOSI\$)?([0-9A-Z]{8}\.([0-9A-Z]{3})\.[0-9A-Z]{4}\.[0-9A-Z]{3}\.[0-9]{10}|(?:\.[0-9]{4}){3}))'''
|
|
|
|
# If this is Intel's second AMI run, check if this is not a generic
|
|
# (86x) version string overwriting an OEM version string.
|
|
oem = match.group(4)
|
|
intel_version = match.group(2) or match.group(3)
|
|
if (not oem or oem[:2] != '86' or not self._intel_86_pattern.match(self.signon)) and intel_version not in self.signon:
|
|
# Extract the version string as a sign-on.
|
|
prefix_idx = self.signon.rfind(' ')
|
|
if prefix_idx > -1:
|
|
prefix = self.signon[:prefix_idx + 1]
|
|
else:
|
|
prefix = match.group(1) or ''
|
|
self.signon = prefix + intel_version
|
|
|
|
return True
|
|
|
|
def _addons_color(self, line, match):
|
|
'''Improper Use of Setup may Cause Problems !!'''
|
|
|
|
# Add setup type to add-ons.
|
|
self.addons.append('Color')
|
|
|
|
return True
|
|
|
|
def _addons_easy(self, line, match):
|
|
'''AMIBIOS EASY SETUP UTILIT'''
|
|
|
|
# Add setup type to add-ons.
|
|
self.addons.append('EasySetup')
|
|
|
|
return True
|
|
|
|
def _addons_hiflex(self, line, match):
|
|
'''\\HAMIBIOS HIFLEX SETUP UTILIT'''
|
|
|
|
# Add setup type to add-ons.
|
|
self.addons.append('HiFlex')
|
|
|
|
return True
|
|
|
|
def _addons_new(self, line, match):
|
|
'''AMIBIOS NEW SETUP UTILIT'''
|
|
|
|
# Add setup type to add-ons.
|
|
self.addons.append('NewSetup')
|
|
|
|
return True
|
|
|
|
def _addons_simple(self, line, match):
|
|
'''\\HAMIBIOS SIMPLE SETUP UTILIT'''
|
|
|
|
# Add setup type to add-ons.
|
|
self.addons.append('SimpleSetup')
|
|
|
|
return True
|
|
|
|
def _addons_winbios(self, line, match):
|
|
''' Wait----'''
|
|
|
|
# Add setup type to add-ons.
|
|
self.addons.append('WinBIOS')
|
|
|
|
return True
|
|
|
|
|
|
class AMIDellAnalyzer(AMIAnalyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
self.vendor_id = 'AMIDell'
|
|
|
|
self.register_check_list([
|
|
(self._version_dell, RegexChecker),
|
|
])
|
|
|
|
def reset(self):
|
|
super().reset()
|
|
self._trap_signon_lines = 0
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
if file_data[:9] == b'DELLBIOS\x00':
|
|
# DELLBIOS header contains the Dell version.
|
|
self.version = '11/11/92'
|
|
self.debug_print('DELLBIOS header')
|
|
|
|
# Extract the version as a sign-on.
|
|
terminator_index = file_data.find(b'\x00', 10)
|
|
if terminator_index > -1:
|
|
self.signon = file_data[10:terminator_index].decode('ascii', 'ignore').strip()
|
|
if self.signon:
|
|
self.signon = 'BIOS Version ' + self.signon
|
|
|
|
return True
|
|
elif b'DELLXBIOS' in file_data and not re.search(
|
|
b'''att6300plus|'''
|
|
b'''Flash BIOS Update Program - Version |'''
|
|
b'''Technologies Ltd|'''
|
|
b'''Western Digital 32-bit disk driver \(WDCDRV\)''',
|
|
file_data):
|
|
# "att6300plus" (HIMEM.SYS)
|
|
# "Flash BIOS Update Program - Version " (FLASH.EXE)
|
|
# Substring of "Phoenix Technologies Ltd" (4xxT/M/L)
|
|
# "Western Digital 32-bit disk driver (WDCDRV)" (WDCDRV.386)
|
|
|
|
# The Dell version will be in the BIOS body.
|
|
self.version = '11/11/92'
|
|
self.debug_print('DELLXBIOS string')
|
|
|
|
return True
|
|
|
|
return False
|
|
|
|
def _version_dell(self, line, match):
|
|
'''^BIOS Version (.+)'''
|
|
|
|
# Extract both Dell and Intel version numbers as a sign-on.
|
|
version = match.group(1).strip()
|
|
if version[1:2] == '.':
|
|
# Intel version on second line.
|
|
linebreak_index = self.signon.find('\n')
|
|
if linebreak_index > -1:
|
|
self.signon = self.signon[:linebreak_index]
|
|
self.signon = self.signon.rstrip() + '\n' + version
|
|
else:
|
|
# Dell version.
|
|
self.signon = match.group(0).rstrip() + '\n' + self.signon.lstrip()
|
|
|
|
return True
|
|
|
|
def _string_main(self, line, match):
|
|
# Prevent the AMI string detector from working here.
|
|
return False
|
|
|
|
def _signon_trigger(self, line, match):
|
|
'''^DELLXBIOS$'''
|
|
|
|
# Read sign-on on the next few lines.
|
|
self._trap_signon_lines = 1
|
|
|
|
return True
|
|
|
|
def _signon_line(self, line, match):
|
|
self._trap_signon_lines += 1
|
|
if self._trap_signon_lines == 4:
|
|
# Extract the sign-on as a string, and disarm the trap.
|
|
self.string = line.strip()
|
|
if self.string[:5] == 'Dell ':
|
|
self.string = self.string[5:]
|
|
self._trap_signon_lines = 0
|
|
|
|
return True
|
|
|
|
|
|
class AMIIntelAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('AMI', *args, **kwargs)
|
|
self.vendor_id = 'AMIIntel'
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
# Handle Intel AMI BIOSes that could not be decompressed.
|
|
|
|
# Stop if there is no header data.
|
|
if not header_data:
|
|
return False
|
|
|
|
# Stop if this is an User Data Area file.
|
|
if header_data[112:126] == b'User Data Area':
|
|
return False
|
|
|
|
# Extract the Intel version from the multi-part header.
|
|
if header_data[90:95] == b'FLASH':
|
|
version = header_data[112:header_data.find(b'\x00', 112)]
|
|
elif header_data[602:607] == b'FLASH':
|
|
version = header_data[624:header_data.find(b'\x00', 624)]
|
|
else:
|
|
version = None
|
|
|
|
# Apply the version as a sign-on if one was extracted.
|
|
if version:
|
|
self.version = 'Unknown Intel'
|
|
self.signon = version.decode('cp437', 'ignore')
|
|
return True
|
|
|
|
return False
|
|
|
|
|
|
class AMIUEFIAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('AMI', *args, **kwargs)
|
|
self.vendor_id = 'AMIUEFI'
|
|
|
|
self._identifier_pattern = re.compile(b'''Version %x\.%02x\.%04x\.|ALASKAA M I''')
|
|
|
|
self.register_check_list([
|
|
(self._string_csm, RegexChecker),
|
|
((self._signon_precheck, self._signon), AlwaysRunChecker),
|
|
(self._signon_trigger, RegexChecker),
|
|
(self._signon_asus, RegexChecker),
|
|
(self._signon_prefixed, RegexChecker),
|
|
])
|
|
|
|
def reset(self):
|
|
super().reset()
|
|
self._trap_signon = False
|
|
|
|
def _signon_precheck(self, line):
|
|
return self._trap_signon
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
# Only handle files sent through UEFIExtractor.
|
|
if header_data != b'\x00\xFFUEFIExtract\xFF\x00':
|
|
return False
|
|
|
|
# Check for version format string or "ALASKA" ACPI table identifier.
|
|
if not self._identifier_pattern.search(file_data):
|
|
return False
|
|
|
|
self.version = 'UEFI'
|
|
|
|
return True
|
|
|
|
def _string_csm(self, line, match):
|
|
'''^63-0100-000001-00101111-......-Chipset$'''
|
|
|
|
# Extract string from the AMIBIOS 8-based CSM, just because.
|
|
self.string = line
|
|
|
|
return True
|
|
|
|
def _signon_trigger(self, line, match):
|
|
'''^Version %x\.%02x\.%04x. Copyright \(C\)'''
|
|
|
|
# Read sign-on on the next line if one wasn't already found.
|
|
if not self.signon:
|
|
self._trap_signon = True
|
|
|
|
return True
|
|
|
|
def _signon(self, line, match):
|
|
# Extract sign-on.
|
|
self.signon = line
|
|
|
|
# Disarm trap.
|
|
self._trap_signon = False
|
|
|
|
return True
|
|
|
|
def _signon_asus(self, line, match):
|
|
'''. ACPI BIOS Revision .'''
|
|
|
|
# Extract sign-on.
|
|
self.signon = line
|
|
|
|
return True
|
|
|
|
def _signon_prefixed(self, line, match):
|
|
'''^\$(?:(?:IBIOSI\$|UBI)([0-9A-Z]{8}\.[0-9A-Z]{3}(?:\.[0-9]{4}){4})|MSESGN\$(.+))'''
|
|
# "$IBIOSI$", "$UBI" (Intel)
|
|
# "$MSESGN$" (MSI)
|
|
|
|
# Extract sign-on.
|
|
self.signon = match.group(1) or match.group(2)
|
|
|
|
return True
|
|
|
|
|
|
class AmstradAnalyzer(NoInfoAnalyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('Amstrad', *args, **kwargs)
|
|
|
|
def has_strings(self, file_data):
|
|
return (b'AMSTRAD plc' in file_data or b'Amstrad plc' in file_data or b'Amstrad Consumer Electronics plc' in file_data) and ((b'Veuillez mettre des piles neuves' in file_data and b'Batterie da sostituire' in file_data and b'ponga piles nuevas' in file_data and b'neue Batterien einsetzen' in file_data) or b'IBMUS NON CARBORUNDUM' in file_data)
|
|
|
|
|
|
class AwardAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('Award', *args, **kwargs)
|
|
|
|
self._award_pattern = re.compile(b'''(?:Award|A w a r d) Software Inc\\.|Award Decompression Bios''')
|
|
self._ast_pattern = re.compile(b'''\\(c\\) COPYRIGHT 1984,[0-9]{4}A w a r d Software Inc\\.[\\x00-\\xFF]{82}''')
|
|
self._early_modular_prefix_pattern = re.compile('''(.+) Modular BIOS ''')
|
|
self._gigabyte_bif_pattern = re.compile(b'''\$BIF[\\x00-\\xFF]{5}([\\x20-\\x7E]+)\\x00.([\\x20-\\x7E]+)\\x00''')
|
|
self._gigabyte_eval_pattern = re.compile('''\([a-zA-Z0-9]{1,8}\) EVALUATION ROM - NOT FOR SALE$''')
|
|
# "Hyosung Computer" (Samtron 88S)
|
|
self._id_block_pattern = re.compile(b'''(?:(?:Award | Award|Phoeni)[\\x00-\\xFF]{8}IBM COMPATIBLE |IBM COMPATIBLE 88 BIOS COPYRIGHT Award Software Inc\\.)''')
|
|
self._ignore_pattern = re.compile(b'search=f000,0,ffff,S,"|VGA BIOS Version (?:[^\r]+)\r\n(?:Copyright \(c\) (?:[^\r]+)\r\n)?Copyright \(c\) (?:NCR \& )?Award', re.M)
|
|
self._romby_date_pattern = re.compile(b'''N((?:[0-9]{2})/(?:[0-9]{2})/)([0-9]{2})([0-9]{2})(\\1\\3)''')
|
|
self._string_date_pattern = re.compile('''(?:[0-9]{2})/(?:[0-9]{2})/([0-9]{2,4})-''')
|
|
# "V" instead of "v" (286 Modular BIOS V3.03 NFS 11/10/87)
|
|
self._version_pattern = re.compile(''' (?:v([^-\\s]+)|V(?:ersion )?[^0-9]*([0-9]\\.(?:[0-9]{2}|[0-9][A-Z])))(?:[. ]([\\x20-\\x7E]+))?''')
|
|
|
|
self.register_check_list([
|
|
(self._version_pcxt, RegexChecker),
|
|
(self._addons_uefi, SubstringChecker, SUBSTRING_FULL_STRING | SUBSTRING_CASE_SENSITIVE),
|
|
])
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
if not self._award_pattern.search(file_data):
|
|
return False
|
|
|
|
# Skip Windows 95 INF updates and Award VBIOS.
|
|
if self._ignore_pattern.search(file_data):
|
|
return False
|
|
|
|
# The bulk of Award identification data has remained in one place for the longest time.
|
|
match = self._id_block_pattern.search(file_data)
|
|
if match:
|
|
# Determine location of the identification block.
|
|
id_block_index = match.start(0)
|
|
|
|
# Extract version.
|
|
version_string = util.read_string(file_data[id_block_index + 0x61:id_block_index + 0xa1])
|
|
version_match = self._version_pattern.search(version_string)
|
|
if version_match:
|
|
self.version = 'v' + (version_match.group(1) or version_match.group(2))
|
|
elif version_string == 'Award Modular BIOS Version ': # Award version removed (Intel YM430TX)
|
|
self.version = 'Intel'
|
|
elif version_string[:19] == 'Award Modular BIOS/': # Award version removed (Packard Bell PB810)
|
|
self.version = 'Packard Bell'
|
|
self.signon = version_string[19:] + '\n'
|
|
|
|
# Add Phoenix-Award and WorkstationBIOS indicators.
|
|
if 'Phoenix' in version_string:
|
|
self.version += ' (Phoenix)'
|
|
elif 'WorkstationBIOS' in version_string:
|
|
self.version += ' (Workstation)'
|
|
|
|
# Extract sign-on.
|
|
# Vertical tab characters may be employed (??? reported by BurnedPinguin)
|
|
self.signon += util.read_string(file_data[id_block_index + 0xc1:id_block_index + 0x10f]).replace('\r', '').replace('\v', '\n')
|
|
|
|
# Split sign-on lines.
|
|
self.signon = '\n'.join(x.strip() for x in self.signon.split('\n') if x.strip()).strip('\n')
|
|
|
|
# Extract string, unless the version is known to be too old to have a string.
|
|
if self.version[:3] not in ('v2.', 'v3.'):
|
|
self.string = util.read_string(file_data[id_block_index + 0xc71:id_block_index + 0xce0])
|
|
|
|
# Check if no string was inserted where it should
|
|
# have been. (Gateway/Swan Anigma Award v4.28/4.32)
|
|
if ' Award Software Inc. ' in self.string:
|
|
# Extrapolate a string with just the ID a bit further down.
|
|
self.string = '??/??/??-??????-' + util.read_string(file_data[id_block_index + 0xce0:id_block_index + 0xcf0])
|
|
else:
|
|
# bp/rom.by patches may include a new date in the "modul.tmp"
|
|
# patch code. If one is present, apply it to the string.
|
|
match = self._romby_date_pattern.search(file_data)
|
|
if match:
|
|
date_match = self._string_date_pattern.match(self.string)
|
|
if date_match:
|
|
# Apply the correct date (2-digit or 4-digit year).
|
|
if len(date_match.group(1)) == 2:
|
|
date = match.group(4)
|
|
else:
|
|
date = match.group(1) + match.group(2) + match.group(3)
|
|
date = date.decode('cp437', 'ignore')
|
|
self.string = date + self.string[len(date):]
|
|
|
|
if self.version == 'v6.00PG' and self._gigabyte_eval_pattern.match(self.signon):
|
|
# Reconstruct actual sign-on of a Gigabyte fork BIOS through
|
|
# the data in the $BIF area (presumably BIOS update data).
|
|
match = self._gigabyte_bif_pattern.search(file_data)
|
|
if match:
|
|
self.signon = (match.group(1) + b' ' + match.group(2)).decode('cp437', 'ignore')
|
|
elif 'Award' not in version_string.split('\n')[0] or '8088 Modular' in version_string: # "386SX Modular BIOS v3.15", "i-8088 Modular BIOS Version 3.0F"
|
|
# Extract early Modular type as the string.
|
|
match = self._early_modular_prefix_pattern.match(version_string)
|
|
if match:
|
|
self.string = match.group(1)
|
|
|
|
# Append post-version data to the string.
|
|
if version_match:
|
|
post_version = version_match.group(3)
|
|
if post_version:
|
|
post_version = post_version.strip()
|
|
if post_version:
|
|
if match:
|
|
self.string += '\n' + post_version
|
|
else:
|
|
self.string = post_version
|
|
else:
|
|
# Handle AST modified Award.
|
|
match = self._ast_pattern.search(file_data)
|
|
if match:
|
|
# Set static version.
|
|
self.version = 'AST'
|
|
|
|
# Extract AST string as a sign-on.
|
|
self.signon = util.read_string(file_data[match.end(0):match.end(0) + 0x80]).replace('\r', '\n')
|
|
|
|
# Split sign-on lines.
|
|
self.signon = '\n'.join(x.strip() for x in self.signon.split('\n') if x.strip()).strip('\n')
|
|
|
|
return True
|
|
|
|
def _version_pcxt(self, line, match):
|
|
'''(PC|XT) BIOS V([^\s]+)'''
|
|
|
|
# Extract version if one wasn't already found.
|
|
if not self.version:
|
|
self.version = 'v' + match.group(2)
|
|
|
|
# Extract BIOS type as a string.
|
|
self.string = match.group(1)
|
|
|
|
return True
|
|
|
|
def _addons_uefi(self, line, match):
|
|
'''EFI CD/DVD Boot Option'''
|
|
|
|
# Flag Gigabyte Hybrid EFI as UEFI.
|
|
self.addons.append('UEFI')
|
|
|
|
return True
|
|
|
|
|
|
class AwardPowerAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('AwardPower', *args, **kwargs)
|
|
self.vendor = 'Award'
|
|
|
|
self.register_check_list([
|
|
(self._version, RegexChecker),
|
|
(self._string, RegexChecker)
|
|
])
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
if b'PowerBIOS Setup' not in file_data or b'Award Software International, Inc.' not in file_data:
|
|
return False
|
|
|
|
# Identify as PowerBIOS.
|
|
self.version = 'PowerBIOS'
|
|
|
|
return True
|
|
|
|
def _version(self, line, match):
|
|
'''PowerBIOS Version (.+)'''
|
|
|
|
# Add version number if there isn't one already.
|
|
if ' ' not in self.version:
|
|
self.version += ' ' + match.group(1).lstrip()
|
|
return True
|
|
|
|
return False
|
|
|
|
def _string(self, line, match):
|
|
'''-3[12357ABCDE][A-Z0-9]{6}'''
|
|
|
|
# PowerBIOS has an Award identification block similar to v4.xx,
|
|
# but it doesn't always contain the string. (SIMATIC M7-400 MOV450)
|
|
# Just detect the string heuristically and take the whole line.
|
|
self.string = line.strip(' -')
|
|
|
|
|
|
class BonusAnalyzer(Analyzer):
|
|
"""Special analyzer for ACPI tables and option ROMs."""
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('', *args, **kwargs)
|
|
self._pci_ids = {}
|
|
|
|
self._acpi_table_pattern = re.compile(b'''(?:DSDT|FACP|PSDT|RSDT|SBST|SSDT)([\\x00-\\xFF]{4})[\\x00-\\xFF]{24}[\\x00\\x20-\\x7E]{4}''')
|
|
self._adaptec_pattern = re.compile(b'''Adaptec (?:BIOS:|([\\x20-\\x7E]+) BIOS )''')
|
|
self._ncr_pattern = re.compile(b''' SDMS \(TM\) V([0-9])''')
|
|
self._orom_pattern = re.compile(b'''\\x55\\xAA[^\\x00][\\x00-\\xFF]{21}([\\x00-\\xFF]{4})''')
|
|
self._phoenixnet_patterns = (
|
|
re.compile(b'''CPLRESELLERID'''),
|
|
re.compile(b'''BINCPUTBL'''),
|
|
re.compile(b'''BINIDETBL'''),
|
|
)
|
|
self._pxe_patterns = (
|
|
re.compile(b'''PXE-M0F: Exiting '''),
|
|
re.compile(b'''PXE-EC6: UNDI driver image is invalid\.'''),
|
|
)
|
|
self._rpl_pattern = re.compile(b'''NetWare Ready ROM''')
|
|
self._sli_pattern = re.compile(b'''[0-9]{12}Genuine NVIDIA Certified SLI Ready Motherboard for ''')
|
|
self._vbios_pattern = re.compile(b'''IBM (?:VGA C(?:OMPAT[IA]BLE|ompatible)|COMPATIBLE PARADISE)|ATI Technologies Inc\.|SiS super VGA chip''')
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
# PhoenixNet
|
|
if util.all_match(self._phoenixnet_patterns, file_data):
|
|
self.addons.append('PhoenixNet')
|
|
|
|
# ACPI tables
|
|
match = self._acpi_table_pattern.search(file_data)
|
|
if match and struct.unpack('<I', match.group(1))[0] > 36: # length includes header, header is 36 bytes
|
|
self.addons.append('ACPI')
|
|
|
|
# Adaptec SCSI
|
|
if self._adaptec_pattern.search(file_data):
|
|
self.addons.append('Adaptec')
|
|
|
|
# NCR SCSI
|
|
match = self._ncr_pattern.search(file_data)
|
|
if match:
|
|
self.addons.append('NCR' + match.group(1).decode('ascii', 'ignore'))
|
|
|
|
# PXE boot
|
|
if util.all_match(self._pxe_patterns, file_data):
|
|
self.addons.append('PXE')
|
|
|
|
# RPL boot
|
|
if self._rpl_pattern.search(file_data):
|
|
self.addons.append('RPL')
|
|
|
|
# SLI certificate
|
|
if self._sli_pattern.search(file_data):
|
|
self.addons.append('SLI')
|
|
|
|
# UEFI
|
|
if header_data == b'\x00\xFFUEFIExtract\xFF\x00':
|
|
self.addons.append('UEFI')
|
|
|
|
# VGA BIOS
|
|
if self._vbios_pattern.search(file_data):
|
|
self.addons.append('VGA')
|
|
|
|
# Look for PCI/PnP option ROMs.
|
|
for match in self._orom_pattern.finditer(file_data):
|
|
# Extract PCI and PnP data structure pointers.
|
|
pci_header_ptr, pnp_header_ptr = struct.unpack('<HH', match.group(1))
|
|
|
|
# Check for a valid PCI data structure.
|
|
if pci_header_ptr >= 26:
|
|
pci_header_ptr += match.start()
|
|
if file_data[pci_header_ptr:pci_header_ptr + 4] == b'PCIR':
|
|
pci_header_data = file_data[pci_header_ptr + 4:pci_header_ptr + 16]
|
|
if len(pci_header_data) == 12:
|
|
# Read PCI header data.
|
|
vendor_id, device_id, device_list_ptr, _, revision, progif, subclass, class_code = struct.unpack('<HHHHBBBB', pci_header_data)
|
|
|
|
# Make sure the vendor ID is not bogus.
|
|
if vendor_id not in (0x0000, 0xffff):
|
|
# Flag VGA option ROMs.
|
|
if (class_code == 0 and subclass == 1) or (class_code == 3 and subclass in (0, 1)):
|
|
self.addons.append('VGA')
|
|
|
|
# Add IDs to the option ROM list.
|
|
self.oroms.append((vendor_id, device_id))
|
|
|
|
# Read additional IDs only if this ROM is PCI 3.0 compliant and has a valid device list pointer.
|
|
# The revision code is a tough one: 0 is known to be PCI <= 2.3, and 3 is known to be PCI Firmware
|
|
# Specification 3.1. There could be other values, but only the PCI-SIG specs ($$$) can tell.
|
|
if revision < 3 or device_list_ptr < 10:
|
|
continue
|
|
|
|
# The device list pointer is relative to the PCI header.
|
|
device_list_ptr += pci_header_ptr
|
|
|
|
# Read device IDs.
|
|
while len(file_data[device_list_ptr:device_list_ptr + 2]) == 2:
|
|
# Read ID and stop if this is a terminator.
|
|
device_id, = struct.unpack('<H', file_data[device_list_ptr:device_list_ptr + 2])
|
|
if device_id == 0x0000:
|
|
break
|
|
|
|
# Add the device ID and existing vendor ID to the option ROM list.
|
|
self.oroms.append((vendor_id, device_id))
|
|
|
|
# Move on to the next ID.
|
|
device_list_ptr += 2
|
|
|
|
# Don't process the PnP data structure.
|
|
continue
|
|
|
|
# Check for a valid PnP data structure.
|
|
if pnp_header_ptr >= 26:
|
|
pnp_header_ptr += match.start()
|
|
if file_data[pnp_header_ptr:pnp_header_ptr + 4] == b'$PnP':
|
|
pnp_header_data = file_data[pnp_header_ptr + 4:pnp_header_ptr + 18]
|
|
if len(pnp_header_data) == 14:
|
|
# Read PnP header data.
|
|
_, _, _, _, _, device_id, vendor_ptr, device_ptr = struct.unpack('<BBHBB4sHH', pnp_header_data)
|
|
|
|
# Extract vendor/device name strings if they're valid.
|
|
if vendor_ptr >= 26:
|
|
vendor = util.read_string(file_data[match.start() + vendor_ptr:])
|
|
else:
|
|
vendor = None
|
|
if device_ptr >= 26:
|
|
device = util.read_string(file_data[match.start() + device_ptr:])
|
|
else:
|
|
device = None
|
|
|
|
# Take valid data only.
|
|
if device_id[:2] != b'\x00\x00' and (vendor or device):
|
|
# Add PnP ID (endianness swapped to help the front-end in
|
|
# processing it), vendor name and device name to the list.
|
|
self.oroms.append((struct.unpack('>I', device_id)[0], vendor, device))
|
|
|
|
# This analyzer should never return True.
|
|
return False
|
|
|
|
|
|
class CDIAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('CDI', *args, **kwargs)
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
if b' COMPUTER DEVICES INC. ' not in file_data:
|
|
return False
|
|
|
|
# No version information, outside of NCR.
|
|
if b'NCR\'S VERSION IBM CORP. AT ROM' in file_data:
|
|
self.version = 'NCR'
|
|
else:
|
|
self.version = '?'
|
|
|
|
return True
|
|
|
|
|
|
class CentralPointAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('CPS', *args, **kwargs)
|
|
|
|
self.register_check_list([
|
|
(self._version, RegexChecker)
|
|
])
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
return b'Central Point Software, Inc.' in file_data
|
|
|
|
def _version(self, line, match):
|
|
'''^BIOS ([^\s]+) (?:.+) Central Point Software, Inc\.'''
|
|
|
|
# Extract version.
|
|
self.version = match.group(1).rstrip('.')
|
|
|
|
# Lowercase v for consistency.
|
|
if self.version[0] == 'V':
|
|
self.version = 'v' + self.version[1:]
|
|
|
|
return True
|
|
|
|
|
|
class ChipsAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('C&T', *args, **kwargs)
|
|
|
|
self.register_check_list([
|
|
(self._version, RegexChecker),
|
|
])
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
return b'Chips & Technologies, Inc.' in file_data and b'BIOS Version ' in file_data
|
|
|
|
def _version(self, line, match):
|
|
'''(?:^|(?:CHIPS (.+)|Chips & Technologies (.+) ROM|(Reply Corporation(?: .+)?)) )BIOS Version ([^\(]+)(?:\(([^\)]+)\)( .+)?)?'''
|
|
|
|
# Stop if this is a VBIOS.
|
|
string = match.group(1) or match.group(2) or match.group(3) or ''
|
|
if string[-4:] == ' VGA' or '/' in match.group(4):
|
|
return True
|
|
|
|
# Extract version.
|
|
self.version = match.group(4).rstrip(', ')
|
|
|
|
# Extract string.
|
|
self.string = string
|
|
|
|
# Extract sign-on.
|
|
self.signon = (match.group(5) or '') + (match.group(6) or '')
|
|
|
|
return True
|
|
|
|
|
|
class CommodoreAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('Commodore', *args, **kwargs)
|
|
|
|
self.register_check_list([
|
|
(self._version, RegexChecker),
|
|
])
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
return b'Commodore Business Machines' in file_data
|
|
|
|
def _version(self, line, match):
|
|
'''Commodore (.+) BIOS(?:\s+)(?:V|Rev\. )([^\s]+)'''
|
|
|
|
# Extract version.
|
|
self.version = 'V' + match.group(2)
|
|
|
|
# Extract string.
|
|
self.string = match.group(1)
|
|
|
|
return True
|
|
|
|
|
|
class CompaqAnalyzer(NoInfoAnalyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('Compaq', *args, **kwargs)
|
|
|
|
def has_strings(self, file_data):
|
|
return b'Copyright COMPAQ Computer Corporation' in file_data and (b'Insert DIAGNOSTIC diskette in Drive ' in file_data or b'Insert COMPAQ DOS diskette' in file_data or b'You must load COMPAQ BASIC' in file_data)
|
|
|
|
|
|
class CorebootAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('coreboot', *args, **kwargs)
|
|
|
|
self.register_check_list([
|
|
(self._version_coreboot, RegexChecker),
|
|
(self._version_linuxbios, RegexChecker),
|
|
(self._string_coreboot, RegexChecker),
|
|
])
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
return b'coreboot-%s%s ' in file_data or b'Jumping to LinuxBIOS.' in file_data
|
|
|
|
def _version_coreboot(self, line, match):
|
|
'''^#(?: This image was built using coreboot|define COREBOOT_VERSION ")([^"]+)'''
|
|
|
|
# Extract version.
|
|
self.version = match.group(1)
|
|
|
|
# Extract any additional information after the version as a string.
|
|
dash_index = self.version.find('-')
|
|
if dash_index > -1:
|
|
self.string = self.version[dash_index + 1:]
|
|
self.version = self.version[:dash_index]
|
|
|
|
return True
|
|
|
|
def _version_linuxbios(self, line, match):
|
|
'''^LinuxBIOS-([^_ ]+)[_ ](?:Normal |Fallback )(.+) starting\.\.\.$'''
|
|
|
|
# Set vendor to LinuxBIOS instead.
|
|
self.vendor = 'LinuxBIOS'
|
|
|
|
# Extract version.
|
|
self.version = match.group(1)
|
|
|
|
# Extract any additional information after the version as a string.
|
|
self.string = match.group(2)
|
|
|
|
return True
|
|
|
|
def _string_coreboot(self, line, match):
|
|
'''^#define COREBOOT_BUILD "([^"]+)"'''
|
|
|
|
# Add build date to string.
|
|
if self.string:
|
|
self.string += '\n'
|
|
self.string += match.group(1)
|
|
|
|
return True
|
|
|
|
|
|
class DTKGoldStarAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('DTKGoldStar', *args, **kwargs)
|
|
|
|
self.register_check_list([
|
|
(self._version, RegexChecker),
|
|
])
|
|
|
|
def reset(self):
|
|
super().reset()
|
|
self._dtk = False
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
return b'Datatech Enterprises Co., Ltd.' in file_data or b'(C) Copyright by GoldStar Co.,Ltd.' in file_data or b'GOLDSTAR SYSTEM SETUP' in file_data
|
|
|
|
def _version(self, line, match):
|
|
'''^(?:(DTK|GoldStar) (.+) ROM BIOS Version |VER )([^\s]+)(?: ([^\s]+))?'''
|
|
|
|
# Extract vendor.
|
|
self.vendor = match.group(1) or 'GoldStar'
|
|
|
|
# Extract version.
|
|
self.version = match.group(3)
|
|
|
|
# Extract string.
|
|
self.string = match.group(2) or ''
|
|
|
|
# Add revision to string.
|
|
revision = match.group(4)
|
|
if revision:
|
|
if self.string:
|
|
self.string += '\n'
|
|
self.string += revision
|
|
|
|
return True
|
|
|
|
|
|
class GeneralSoftwareAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('General', *args, **kwargs)
|
|
|
|
self._string_pattern = re.compile(b'''([0-9]{2}/[0-9]{2}/[0-9]{2})\(C\) [0-9]+ General Software, Inc\. ''')
|
|
self._version_pattern = re.compile(b'''General Software (?:\\x00 )?([^\\\\\\x0D\\x0A]+)(?:rel\.|Revision)''')
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
# Extract version.
|
|
match = self._version_pattern.search(file_data)
|
|
if match:
|
|
self.version = match.group(1).decode('cp437', 'ignore').replace('(R)', '').replace('(tm)', '').replace(' BIOS ', ' ').strip()
|
|
else:
|
|
self.version = '?'
|
|
|
|
# Extract date and revision as a string.
|
|
match = self._string_pattern.search(file_data)
|
|
if match:
|
|
end = match.end(0)
|
|
self.string = util.read_string(file_data[end:end + 256]) + '\n' + match.group(1).decode('cp437', 'ignore')
|
|
|
|
# Take this analyzer if we found a version and a string.
|
|
return self.version != '?' and self.string
|
|
|
|
|
|
class IBMAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('IBM', *args, **kwargs)
|
|
|
|
self._header_pattern = re.compile(b'''([0-9]{2}[A-Z0-9][0-9]{4}) ?(COPR\\. IBM|\\(C\\) COPYRIGHT IBM CORPORATION) 19[89][0-9]''')
|
|
self._interleaved_header_pattern = re.compile(b'''(([0-9])\\2([0-9])\\3([A-Z0-9])\\4(?:[0-9]{8})) (CCOOPPRR\\.\\. IIBBMM|\\(\\(CC\\)\\) CCOOPPYYRRIIGGHHTT IIBBMM CCOORRPPOORRAATTIIOONN) 1199([89])\\6([0-9])\\7''')
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
# Extract IBM part number/copyright headers.
|
|
part_numbers = []
|
|
copyrights = []
|
|
for part_number, copyright in self._header_pattern.findall(file_data):
|
|
part_numbers.append(part_number)
|
|
copyrights.append(copyright)
|
|
|
|
# Deinterleave interleaved headers.
|
|
for part_number, _, _, _, copyright, _, _ in self._interleaved_header_pattern.findall(file_data):
|
|
part_numbers.append(part_number[::2])
|
|
part_numbers.append(part_number[1::2])
|
|
copyrights.append(copyright[::2])
|
|
copyrights.append(copyright[1::2])
|
|
|
|
# Do we have any part numbers?
|
|
if part_numbers:
|
|
# Assume long-form copyright indicates a PS/2.
|
|
if b'(C) COPYRIGHT IBM CORPORATION' in copyrights:
|
|
self.version = 'PS/2 or PS/1'
|
|
else:
|
|
self.version = 'PC series'
|
|
|
|
# Sort FRU codes and remove duplicates.
|
|
part_numbers = list(set(part_number.decode('ascii', 'ignore') for part_number in part_numbers))
|
|
part_numbers.sort()
|
|
|
|
# Extract FRU codes as a string.
|
|
self.string = '\n'.join(part_numbers)
|
|
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
|
|
class IBMSurePathAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('IBM', *args, **kwargs)
|
|
self.vendor_id = 'IBMSurePath'
|
|
|
|
self._ibm_pattern = re.compile(b'''\\(\\(CC\\)\\) CCOOPPYYRRIIGGHHTT IIBBMM CCOORRPPOORRAATTIIOONN 11998811,, ([0-9])\\1([0-9])\\2([0-9])\\3([0-9])\\4 AALLLL RRIIGGHHTTSS RREESSEERRVVEEDD''')
|
|
self._ibm_later_pattern = re.compile(b''' Partnum \\(C\\) COPYRIGHT IBM CORPORATION 1981, 1998 ALL RIGHTS RESERVED \\x00{10}''')
|
|
self._surepath_pattern = re.compile(b'''SurePath BIOS Version ([\\x20-\\x7E]+)(?:[\\x0D\\x0A\\x00]+([\\x20-\\x7E]+)?)?''')
|
|
self._apricot_pattern = re.compile(b'''@\\(#\\)(?:Apricot .*|XEN-PC) BIOS [\\x20-\\x7E]+''')
|
|
self._apricot_version_pattern = re.compile(b'''@\\(#\\)Version [\\x20-\\x7E]+''')
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
if not self._ibm_pattern.search(file_data):
|
|
# Look for later compressed SurePath.
|
|
if self._ibm_later_pattern.search(file_data):
|
|
self.version = 'SurePath'
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
# Determine location of the version.
|
|
match = self._surepath_pattern.search(file_data)
|
|
if match:
|
|
# Extract version.
|
|
self.version = 'SurePath ' + match.group(1).decode('cp437', 'ignore').strip()
|
|
|
|
# Extract customization as a sign-on if found. (AT&T Globalyst)
|
|
customization = match.group(2)
|
|
if customization:
|
|
self.signon = customization.decode('cp437', 'ignore')
|
|
else:
|
|
# Special case for Apricot-licensed SurePath.
|
|
match = self._apricot_pattern.search(file_data)
|
|
if match:
|
|
# There appears to be a real SurePath version number hidden
|
|
# in there (2.0) but it must be inside a compressed body.
|
|
self.version = 'SurePath'
|
|
|
|
# Extract Apricot customization as a sign-on.
|
|
self.signon = match.group(0).decode('cp437', 'ignore')[4:]
|
|
match = self._apricot_version_pattern.search(file_data)
|
|
if match:
|
|
self.signon = self.signon.strip() + '\n' + match.group(0).decode('cp437', 'ignore')[4:].strip()
|
|
else:
|
|
return False
|
|
|
|
return True
|
|
|
|
|
|
class ICLAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('ICL', *args, **kwargs)
|
|
|
|
self._version_pattern = re.compile(b'''(?:ROM|System) BIOS (#[\\x20-\\x7E]+) Version ([\\x20-\\x7E]+)\\x0D\\x0A\\(c\\) Copyright [\\x20-\\x7E]+(?:\\x0D\\x0A\\x0A\\x00([\\x20-\\x7E]+))?''')
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
# Update files use unknown compression.
|
|
if file_data[:8] == b'OKICL1\x01\x00':
|
|
self.version = '?'
|
|
return True
|
|
|
|
# Determine location of the identification block.
|
|
match = self._version_pattern.search(file_data)
|
|
if not match:
|
|
return False
|
|
|
|
# Extract version.
|
|
self.version = match.group(2).decode('cp437', 'ignore')
|
|
|
|
# Extract identifier as a string.
|
|
self.string = match.group(1).decode('cp437', 'ignore')
|
|
|
|
# Extract sign-on if present.
|
|
self.signon = (match.group(3) or b'').decode('cp437', 'ignore')
|
|
|
|
return True
|
|
|
|
|
|
class InsydeAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('Insyde', *args, **kwargs)
|
|
|
|
self._version_pattern = re.compile(b'''InsydeH2O Version ''')
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
# Only handle files sent through UEFIExtractor.
|
|
if header_data != b'\x00\xFFUEFIExtract\xFF\x00':
|
|
return False
|
|
|
|
# Check for InsydeH2O version string.
|
|
if not self._version_pattern.search(file_data):
|
|
return False
|
|
|
|
self.version = '?'
|
|
|
|
return True
|
|
|
|
|
|
class IntelUEFIAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('Intel', *args, **kwargs)
|
|
self.vendor_id = 'IntelUEFI'
|
|
|
|
# The Intel version's location is not super consistent throughout the
|
|
# years. The second path helps here by providing a second opinion,
|
|
# though one that might fail if a weird version string is somehow found.
|
|
self._identifier_pattern = re.compile(b'''(?:\\$(?:IBIOSI\\$|FID|UBI)|Load Error\\x00{2}Success\\x00|S\\x00l\\x00o\\x00t\\x00 \\x00\\x30\\x00:\\x00 \\x00+)([0-9A-Z]{8}\\.[0-9A-Z]{3}(?:\\.[0-9]{4}){4})|'''
|
|
b'''([A-Z]{2}[0-9A-Z]{3}[0-9]{2}[A-Z]\\.[0-9]{2}[A-Z](?:\\.[0-9]{4}){4})''')
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
# Only handle files sent through UEFIExtractor.
|
|
if header_data != b'\x00\xFFUEFIExtract\xFF\x00':
|
|
return False
|
|
|
|
# Check for any Intel version code identifiers.
|
|
match = self._identifier_pattern.search(file_data)
|
|
if not match:
|
|
return False
|
|
|
|
self.version = 'UEFI'
|
|
|
|
# Extract Intel version as a sign-on.
|
|
self.signon = (match.group(1) or match.group(2)).decode('cp437', 'ignore')
|
|
|
|
return True
|
|
|
|
|
|
class JukoAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('Juko', *args, **kwargs)
|
|
|
|
self._version_pattern = re.compile(b'''Juko (.+) BIOS ver (.+)''')
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
if b'Juko Electronics Industrial Co.,Ltd.' not in file_data:
|
|
return False
|
|
|
|
match = self._version_pattern.search(file_data)
|
|
if not match:
|
|
return False
|
|
|
|
# Extract version.
|
|
self.version = match.group(2).decode('cp437', 'ignore')
|
|
|
|
# Extract string.
|
|
self.string = match.group(1).decode('cp437', 'ignore')
|
|
|
|
return True
|
|
|
|
|
|
class MRAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('MR', *args, **kwargs)
|
|
|
|
self._check_pattern = re.compile(b'''[A-Z ]{7} \\(r\\) V''')
|
|
self._signon_pattern = re.compile(b'''OEM SIGNON >>-->([\\x20-\\x7E]+)''')
|
|
|
|
self.register_check_list([
|
|
(self._version_newer, RegexChecker),
|
|
(self._version_older, RegexChecker),
|
|
])
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
# Skip readme false positives.
|
|
if len(file_data) < 2048 or not self._check_pattern.search(file_data):
|
|
return False
|
|
|
|
# Extract custom OEM sign-on.
|
|
match = self._signon_pattern.search(file_data)
|
|
if match:
|
|
self.signon = match.group(1).decode('cp437', 'ignore')
|
|
if len(self.signon) == 1: # single character when not set
|
|
self.signon = ''
|
|
self.signon = self.signon.strip()
|
|
|
|
return True
|
|
|
|
def _version_newer(self, line, match):
|
|
'''^[A-Z ]{7} \\(r\\) (V(?:[^ ]+))(?: (.+))?$'''
|
|
|
|
# Extract version.
|
|
self.version = match.group(1)
|
|
|
|
# Extract part number as a string if one was found.
|
|
part_number = match.group(2)
|
|
if part_number:
|
|
self.string = part_number
|
|
|
|
return True
|
|
|
|
def _version_older(self, line, match):
|
|
'''^Ver: (V[^-]+)-(.+)'''
|
|
|
|
# Extract version.
|
|
self.version = match.group(1)
|
|
|
|
# Extract part number(?)
|
|
self.string = match.group(2)
|
|
|
|
return True
|
|
|
|
|
|
class MylexAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('Mylex', *args, **kwargs)
|
|
|
|
self._version_pattern = re.compile(b'''MYLEX ([\\x20-\\x7E]+) BIOS Version ([\\x20-\\x7E]+) ([0-9]{2}/[0-9]{2}/[0-9]{2})''')
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
# Determine location of the identification block.
|
|
match = self._version_pattern.search(file_data)
|
|
if not match:
|
|
return False
|
|
|
|
# Extract version.
|
|
self.version = match.group(2).decode('cp437', 'ignore')
|
|
|
|
# Extract date as a string.
|
|
self.string = match.group(3).decode('cp437', 'ignore')
|
|
|
|
# Extract board name as a sign-on.
|
|
self.signon = match.group(1).decode('cp437', 'ignore')
|
|
|
|
return True
|
|
|
|
|
|
class OlivettiAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('Olivetti', *args, **kwargs)
|
|
|
|
self._version_pattern = re.compile('''Version ([^\s]+)''')
|
|
|
|
self.register_check_list([
|
|
((self._version_precheck, self._version), AlwaysRunChecker),
|
|
(self._string_date, RegexChecker),
|
|
])
|
|
|
|
def reset(self):
|
|
super().reset()
|
|
self._trap_version = False
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
if b'COPYRIGHT (C) OLIVETTI' not in file_data or (b'No ROM BASIC available - RESET' not in file_data and b'ROM BASIC Not Available,' not in file_data):
|
|
return False
|
|
|
|
# Start by assuming this is an unversioned BIOS.
|
|
self.version = '?'
|
|
|
|
return True
|
|
|
|
def _version_precheck(self, line):
|
|
return self._trap_version
|
|
|
|
def _version(self, line, match):
|
|
# Extract version if valid.
|
|
match = self._version_pattern.match(line)
|
|
if match:
|
|
self.version = match.group(1)
|
|
|
|
# Disarm trap.
|
|
self._trap_version = False
|
|
|
|
return True
|
|
|
|
def _string_date(self, line, match):
|
|
'''^(?:COPYRIGHT \(C\) OLIVETTI )?([0-9]{2}/[0-9]{2}/[0-9]{2})$'''
|
|
|
|
# Extract the date as a string if newer than any previously-found date.
|
|
date = match.group(1)
|
|
if not self.string or util.date_gt(date, self.string, util.date_pattern_mmddyy):
|
|
self.string = date
|
|
|
|
# Read version on the next line.
|
|
self._trap_version = True
|
|
|
|
return True
|
|
|
|
|
|
class PhoenixAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('Phoenix', *args, **kwargs)
|
|
|
|
# "Phoenix ROM BIOS" (Dell Latitude CP/CPI)
|
|
self._phoenix_pattern = re.compile(b'''Phoenix (?:Technologies Ltd|Software Associates|ROM BIOS)|PPhhooeenniixx TTeecchhnnoollooggiieess''')
|
|
self._hp_pattern = re.compile(b'''([\\x21-\\x7E]+ [\\x21-\\x7E]+) \\(C\\)Copyright 1985-.... Hewlett-Packard Company, All Rights Reserved''')
|
|
self._hp_signon_pattern = re.compile(b'''Version +[\\x21-\\x7E]+ +HP [\\x20-\\x7E]+''')
|
|
# "All Rights Reserved\r\n\n\x00\xF4\x01" (Ax86)
|
|
# "All Rights Reserved\r\n\n\x00" (Commodore 386LT, Tandy 1000RSX)
|
|
# "All Rights Reserved\r\n\n" (ROM BIOS)
|
|
# "All Rights Reserved\r\n\r\n\r\n" (Gateway 4DX2-50V)
|
|
self._rombios_signon_pattern = re.compile(b'''\\x0D\\x0AAll Rights Reserved\\x0D\\x0A(?:\\x0A(?:\\x00(?:[\\x90\\xF4]\\x01)?)?|\\x0D\\x0A\\x0D\\x0A)''')
|
|
# No "All Rights Reserved" (Yangtech 2.27 / pxxt)
|
|
self._rombios_signon_alt_pattern = re.compile(b'''\\(R\\)eboot, other keys to continue\\x00\\xFF+''')
|
|
self._bcpsys_datetime_pattern = re.compile('''(?:[0-9]{2})/(?:[0-9]{2})/(?:[0-9]{2}) ''')
|
|
self._core_signon_pattern = re.compile(b'''\\x00FOR EVALUATION ONLY\\. NOT FOR RESALE\\.\\x00([\\x00-\\xFF]+?)\\x00Primary Master \\x00''')
|
|
self._intel_86_pattern = re.compile('''(?:[0-9A-Z]{8})\.86(?:[0-9A-Z])\.(?:[0-9A-Z]{4})\.(?:[0-9A-Z]{3})\.(?:[0-9]{10})$''')
|
|
|
|
self.register_check_list([
|
|
((self._signon_fujitsu_precheck, self._signon_fujitsu), AlwaysRunChecker),
|
|
((self._signon_nec_precheck, self._signon_nec), AlwaysRunChecker),
|
|
(self._version_xx86, RegexChecker), # "All Rights Reserved" => "A286 Version 1.01"
|
|
(self._version_pentium, RegexChecker),
|
|
(self._version_40rel, RegexChecker),
|
|
(self._version_40x, RegexChecker),
|
|
(self._version_404, RegexChecker),
|
|
(self._version_branch, RegexChecker),
|
|
(self._version_core, RegexChecker),
|
|
(self._version_grid, SubstringChecker, SUBSTRING_FULL_STRING | SUBSTRING_CASE_SENSITIVE),
|
|
(self._version_notebios404, RegexChecker),
|
|
(self._version_rombios, RegexChecker),
|
|
(self._version_sct, RegexChecker),
|
|
(self._version_sct_preboot, SubstringChecker, SUBSTRING_FULL_STRING | SUBSTRING_CASE_SENSITIVE),
|
|
(self._version_tandy, SubstringChecker, SUBSTRING_FULL_STRING | SUBSTRING_CASE_SENSITIVE),
|
|
((self._date_precheck, self._string_date), RegexChecker),
|
|
(self._signon_ast, SubstringChecker, SUBSTRING_BEGINNING | SUBSTRING_CASE_SENSITIVE),
|
|
((self._dell_precheck, self._signon_dell), RegexChecker),
|
|
(self._signon_commodore, RegexChecker),
|
|
(self._signon_fujitsu_trigger, SubstringChecker, SUBSTRING_FULL_STRING | SUBSTRING_CASE_SENSITIVE),
|
|
(self._signon_hp, RegexChecker),
|
|
(self._signon_intel, RegexChecker),
|
|
(self._signon_nec_trigger, RegexChecker),
|
|
(self._signon_surepath, RegexChecker),
|
|
(self._signon_tandy, RegexChecker),
|
|
])
|
|
|
|
def reset(self):
|
|
super().reset()
|
|
self._is_core = False
|
|
self._trap_signon_fujitsu_lines = 0
|
|
self._trap_signon_nec = False
|
|
self._found_signon_tandy = ''
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
if not self._phoenix_pattern.search(file_data):
|
|
return False
|
|
|
|
# Skip Windows 95 INF updates.
|
|
if b'search=f000,0,ffff,S,"' in file_data:
|
|
return False
|
|
|
|
# Read build date and time from BCPSYS on 4.0 and newer BIOSes.
|
|
offset = file_data.find(b'BCPSYS')
|
|
if offset > -1:
|
|
# Extract the build date and time as a string.
|
|
self.string = util.read_string(file_data[offset + 15:offset + 32].replace(b'\x00', b'\x20'))
|
|
|
|
# Discard if this is an invalid date/time (PHLASH.EXE)
|
|
if not self._bcpsys_datetime_pattern.match(self.string):
|
|
self.string = ''
|
|
else:
|
|
self.debug_print('BCPSYS date/time', self.string)
|
|
|
|
# Determine if this is a Dell BIOS (48-byte header).
|
|
offset = file_data.find(b'Dell System ')
|
|
if offset > -1:
|
|
self.version = 'Dell'
|
|
self.signon = '\n'
|
|
|
|
# Extract Dell version.
|
|
dell_version = util.read_string(file_data[offset + 0x20:offset + 0x23])
|
|
if dell_version[0:1] == 'A':
|
|
self.signon += 'BIOS Version: ' + dell_version
|
|
else:
|
|
# Determine if this is some sort of HP Vectra BIOS.
|
|
match = self._hp_pattern.search(file_data)
|
|
if match:
|
|
self.version = 'HP'
|
|
|
|
# Extract code as a string.
|
|
self.string = match.group(1).decode('cp437', 'ignore')
|
|
|
|
# Extract the version number as a sign-on.
|
|
match = self._hp_signon_pattern.search(file_data)
|
|
if match:
|
|
self.signon = match.group(0).decode('cp437', 'ignore')
|
|
else:
|
|
# Extract sign-on from Core and some 4.0 Release 6.0 BIOSes.
|
|
match = self._core_signon_pattern.search(file_data)
|
|
if match:
|
|
self.signon = match.group(1).decode('cp437', 'ignore')
|
|
else:
|
|
# Extract sign-on from Ax86 and older BIOSes.
|
|
match = self._rombios_signon_pattern.search(file_data)
|
|
if not match:
|
|
match = self._rombios_signon_alt_pattern.search(file_data)
|
|
if match:
|
|
end = match.end(0)
|
|
if file_data[end] != 0xfa: # (unknown 8088 PLUS 2.52)
|
|
self.signon = util.read_string(file_data[end:end + 256])
|
|
|
|
# Split sign-on lines.
|
|
if self.signon:
|
|
self.signon = self.signon.replace('\r', '\n').replace('\x00', ' ')
|
|
self.signon = '\n'.join(x.strip() for x in self.signon.split('\n') if x.strip()).strip('\n')
|
|
|
|
return True
|
|
|
|
def _core_precheck(self, line):
|
|
return self._is_core
|
|
|
|
def _date_precheck(self, line):
|
|
return len(self.string) != 8 or util.date_pattern_mmddyy.match(line)
|
|
|
|
def _dell_precheck(self, line):
|
|
return self.version == 'Dell'
|
|
|
|
def _signon_fujitsu_precheck(self, line):
|
|
return self._trap_signon_fujitsu_lines > 0
|
|
|
|
def _signon_nec_precheck(self, line):
|
|
return self._trap_signon_nec
|
|
|
|
def _version_40rel(self, line, match):
|
|
'''Phoenix(MB)? ?BIOS ([0-9]\.[^\s]+ Release ([0-9]\.[0-9]+))(.+)?'''
|
|
|
|
# Extract version with release.
|
|
self.version = match.group(2)
|
|
|
|
# Add version prefix if one was found.
|
|
prefix = match.group(1)
|
|
if prefix:
|
|
self.version = prefix + ' ' + self.version
|
|
|
|
# Extract any additional information after the version
|
|
# and modified version numbers as part of the sign-on.
|
|
additional_info = (match.group(4) or '').strip()
|
|
if additional_info:
|
|
if additional_info.lstrip() == additional_info:
|
|
additional_info = match.group(3).strip() + additional_info.strip()
|
|
if self.signon:
|
|
if additional_info not in self.signon:
|
|
self.signon = additional_info + '\n' + self.signon
|
|
else:
|
|
self.signon = additional_info
|
|
|
|
return True
|
|
|
|
def _version_40x(self, line, match):
|
|
'''Phoenix(?:(MB)(?: BIOS)?| ?BIOS(?: (Developmental))?) (?:Plug and Play )?(Version +([0-9]\.[0-9]+)|4\.0[0-9])(.+)?'''
|
|
# Detect just 4.0x without the "Version" prefix to detect some weird
|
|
# OEM ones (Zenith Z-Station GT) while not causing false positives.
|
|
# "Plug and Play" = ALR Sequel series
|
|
|
|
# Extract version.
|
|
self.version = match.group(4) or match.group(3)
|
|
|
|
# Add version prefix if one was found.
|
|
prefix = match.group(1) or match.group(2)
|
|
if prefix:
|
|
self.version = prefix + ' ' + self.version
|
|
|
|
# Extract any additional information after the version
|
|
# and modified version numbers as part of the sign-on.
|
|
additional_info = match.group(5)
|
|
if additional_info:
|
|
if additional_info.lstrip() == additional_info:
|
|
additional_info = self.version + additional_info
|
|
if self.signon:
|
|
self.signon = additional_info.strip() + '\n' + self.signon
|
|
else:
|
|
self.signon = additional_info.strip()
|
|
|
|
return True
|
|
|
|
def _version_404(self, line, match):
|
|
'''v([0-9]\.[0-9]{2}) Copyright 1985-[^ ]+ Phoenix Technologies Ltd'''
|
|
|
|
# Some v4.04 BIOSes somehow don't have enough data for
|
|
# _version_40x to work (partially failed extraction?)
|
|
if not self.version:
|
|
self.version = match.group(1)
|
|
|
|
return True
|
|
|
|
def _version_branch(self, line, match):
|
|
'''Phoenix ([A-Za-z]+(?:BIOS|Bios)) (?:Version ([0-9]\.[^\s]+)|([0-9](?:\.[0-9.]+)? Release [0-9]\.[^\s]+))(?:[\s\.](.+))?'''
|
|
|
|
# Extract version with branch and release.
|
|
self.version = match.group(1) + ' ' + (match.group(2) or match.group(3))
|
|
|
|
# Extract any additional information after the version
|
|
# as a sign-on, if one wasn't already found.
|
|
additional_info = match.group(4)
|
|
if additional_info and not self.signon:
|
|
self.signon = additional_info.rstrip()
|
|
|
|
return True
|
|
|
|
def _version_core(self, line, match):
|
|
'''Phoenix ((?:cME )?(?:[A-Za-z]+Core|FirstBIOS [^\s]+ Pro).*)'''
|
|
|
|
# Skip setup headers.
|
|
branch = match.group(1)
|
|
if ' Setup' in branch:
|
|
return False
|
|
|
|
# Strip ".", ".U" (IBM/Lenovo) and ".S" (MSI K9ND Speedster2).
|
|
if branch[-2] == '.':
|
|
branch = branch[:-2]
|
|
elif branch[-1] == '.':
|
|
branch = branch[:-1]
|
|
|
|
# Trim branch before "for" (IBM/Lenovo).
|
|
for_index = branch.find(' for ')
|
|
if for_index > -1:
|
|
branch = branch[:for_index]
|
|
|
|
# Extract branch, while removing extraneous trademark
|
|
# symbols and changing the Server abbreviation.
|
|
self.version = branch.replace('(tm)', '')
|
|
|
|
return True
|
|
|
|
def _version_grid(self, line, match):
|
|
'''Copyright (C) [0-9-]+, GRiD Systems Corp.All Rights Reserved'''
|
|
|
|
# This is a GRiD BIOS.
|
|
if not self.version:
|
|
self.version = 'GRiD'
|
|
|
|
return False
|
|
|
|
def _version_notebios404(self, line, match):
|
|
'''^Phoenix (NoteBIOS [0-9.]+) Setup - Copyright '''
|
|
|
|
# Complement _version_404 with NoteBIOS.
|
|
if not self.version:
|
|
self.version = match.group(1)
|
|
elif 'NoteBIOS' not in self.version:
|
|
self.version = 'NoteBIOS ' + self.version
|
|
|
|
return True
|
|
|
|
def _version_pentium(self, line, match):
|
|
'''^(?:PhoenixBIOS(?:\(TM\))? )?for ((?:486/)?Pentium)\s?\(TM\)(?: CPU)? - ([^\s]+) Version ([^-\s]+)(?:(?:-|\s)(.+))?'''
|
|
|
|
# Add branch to version.
|
|
self.version = match.group(1)
|
|
|
|
# Add non-ISA bus types to version.
|
|
bus_type = match.group(2)
|
|
if bus_type != 'ISA':
|
|
self.version += ' ' + bus_type
|
|
|
|
# Add actual version.
|
|
self.version += ' ' + match.group(3)
|
|
|
|
# Extract any additional information after the version as a sign-on,
|
|
# if one wasn't already found.
|
|
post_version = match.group(4)
|
|
if not self.signon and post_version:
|
|
post_version = post_version.strip()
|
|
if post_version:
|
|
self.signon = post_version
|
|
|
|
return True
|
|
|
|
def _version_rombios(self, line, match):
|
|
'''(?:(?:((?:8086|8088|V20 |(?:80)?(?:[0-9]{3}))(?:/EISA)?) )?ROM BIOS (PLUS )?|^ (PLUS) )Ver(?:sion)? ?([0-9]\.[A-Z0-9]{2,})\.?([^\s]*)(\s+[0-9A-Z].+)?'''
|
|
|
|
# Stop if this was already determined to be a Dell BIOS.
|
|
if self.version == 'Dell':
|
|
# Let _signon_dell handle this version line.
|
|
return False
|
|
|
|
# Extract version.
|
|
self.version = match.group(4).rstrip('. ')
|
|
|
|
# Extract version prefix if present.
|
|
pre_version = match.group(1)
|
|
if pre_version:
|
|
# Shorten 80286/80386(/80486?)
|
|
if len(pre_version) >= 5 and pre_version[:2] == '80':
|
|
pre_version = pre_version[2:]
|
|
|
|
self.version = pre_version.strip() + ' ' + self.version
|
|
|
|
# Add PLUS prefix/suffix if present.
|
|
if match.group(1) or match.group(2):
|
|
space_index = self.version.find(' ')
|
|
if space_index > -1:
|
|
self.version = self.version[:space_index] + ' PLUS' + self.version[space_index:]
|
|
else:
|
|
self.version = 'PLUS ' + self.version
|
|
|
|
# Extract any additional information after the version as a sign-on
|
|
# if none was already found.
|
|
if not self.signon.replace('\t', '').replace(' ', ''):
|
|
additional_info = (match.group(5) or '') + (match.group(6) or '')
|
|
if additional_info and (len(additional_info) > 3 or additional_info[0] != '.'):
|
|
self.signon = additional_info
|
|
|
|
return True
|
|
|
|
def _version_sct(self, line, match):
|
|
'''Phoenix BIOS (SC-T v[^\s]+)'''
|
|
# (SecureCore Tiano)
|
|
|
|
# Extract version.
|
|
self.version = match.group(1)
|
|
|
|
# This is UEFI.
|
|
self.addons.append('UEFI')
|
|
|
|
return True
|
|
|
|
def _version_sct_preboot(self, line, match):
|
|
'''SecureCore Tiano (TM) Preboot Agent '''
|
|
|
|
# Extract version if a more specific one wasn't already found.
|
|
if not self.version:
|
|
self.version = 'SC-T'
|
|
|
|
# This is UEFI.
|
|
self.addons.append('UEFI')
|
|
|
|
return True
|
|
|
|
def _version_tandy(self, line, match):
|
|
'''$ Tandy Corporation '''
|
|
|
|
# This is a Tandy BIOS with Phoenix Compatibility Software.
|
|
if not self.version:
|
|
self.version = 'Tandy'
|
|
|
|
# Set Tandy sign-on if we already found one.
|
|
self.signon = self._found_signon_tandy
|
|
|
|
return True
|
|
|
|
def _version_xx86(self, line, match):
|
|
'''(?:Phoenix(?:(?:\s)?BIOS(?:\(TM\))?)? )?([ADE][23456]86) Version (?:([0-9]\.[0-9]{2})(.*))?$'''
|
|
|
|
# Stop if this is A386 after A486 (Apricot LS Pro)
|
|
branch = match.group(1)
|
|
if branch == 'A386' and self.version[:5] == 'A486 ':
|
|
return True
|
|
|
|
# Add branch to the version.
|
|
self.version = branch
|
|
|
|
# Add actual version, if found.
|
|
version = match.group(2)
|
|
if version:
|
|
self.version += ' ' + version
|
|
|
|
# Abort analysis if this is a non-BIOS file. (ZEOS id.txt)
|
|
if version == 'A486 1.0x"':
|
|
self.version = ''
|
|
raise AbortAnalysisError('Phoenix non-BIOS (_version_xx86)')
|
|
|
|
# Extract any additional information after the version as a sign-on
|
|
# if none was already found.
|
|
if not self.signon:
|
|
additional_info = match.group(3)
|
|
if additional_info and (len(additional_info) > 3 or additional_info[0] != '.'):
|
|
self.signon = additional_info
|
|
|
|
return True
|
|
|
|
def _string_date(self, line, match):
|
|
'''^((?:[0-9]{2})/(?:[0-9]{2})/(?:[0-9]{2})|(?:[0-9]{4})//(?:[0-9]{4})//(?:[0-9]{4}))((?:[0-9]{2})/(?:[0-9]{2})/(?:[0-9]{2}))?'''
|
|
|
|
# De-interleave date if interleaved.
|
|
date = match.group(1)
|
|
if len(date) > 8:
|
|
date = date[::2]
|
|
|
|
# If two dates were found, the newest one takes precedence.
|
|
other_date = match.group(2)
|
|
if other_date and util.date_gt(other_date, date, util.date_pattern_mmddyy):
|
|
date = other_date
|
|
|
|
# Skip known bad dates.
|
|
if date == '00/00/00':
|
|
return True
|
|
|
|
# Extract the date as a string if newer than any previously-found date.
|
|
if ' ' not in self.string and (not self.string or util.date_gt(date, self.string, util.date_pattern_mmddyy)):
|
|
self.string = date
|
|
|
|
return True
|
|
|
|
def _signon_ast(self, line, match):
|
|
'''AST System BIOS Version '''
|
|
|
|
# This is an AST BIOS.
|
|
self.version = 'AST'
|
|
|
|
# Extract version as a sign-on.
|
|
self.signon = line
|
|
|
|
return True
|
|
|
|
def _signon_commodore(self, line, match):
|
|
'''^ *(Commodore [^\s]+ BIOS Rev\. [^\s]+)'''
|
|
|
|
# Extract the version string as a sign-on.
|
|
self.signon = match.group(1)
|
|
|
|
return True
|
|
|
|
def _signon_dell(self, line, match):
|
|
'''^(?:(Dell System )|(?:BIOS Version(?! =)|(?:80[0-9]{2,3}|Phoenix) ROM BIOS PLUS Version (?:[^\s]+)) )(.+)'''
|
|
|
|
# Add model or BIOS version to the sign-on.
|
|
linebreak_index = self.signon.find('\n')
|
|
if match.group(1):
|
|
self.signon = match.group(1) + match.group(2) + self.signon[linebreak_index:]
|
|
else:
|
|
self.signon = self.signon[:linebreak_index + 1] + 'BIOS version ' + match.group(2)[:3]
|
|
|
|
return True
|
|
|
|
def _signon_fujitsu_trigger(self, line, match):
|
|
'''Phoenix/FUJITSU'''
|
|
|
|
# Read sign-on on the next 2 lines.
|
|
self._trap_signon_fujitsu_lines = 1
|
|
|
|
return True
|
|
|
|
def _signon_fujitsu(self, line, match):
|
|
if self._trap_signon_fujitsu_lines == 1:
|
|
# Extract the version on the first line.
|
|
self.signon = ' '.join(line.split())
|
|
|
|
# Move on to the next line.
|
|
self._trap_signon_fujitsu_lines = 2
|
|
else:
|
|
# Extract the model number on the second line.
|
|
self.signon = self.signon + ' (' + line.lstrip() + ')'
|
|
|
|
# Disarm the trap.
|
|
self._trap_signon_fujitsu_lines = 0
|
|
|
|
return True
|
|
|
|
def _signon_hp(self, line, match):
|
|
'''^(?:[A-Z]{2,3})\.(?:[0-9]{2})\.(?:[0-9]{2})(?: \((?:[A-Z]{2,3})\.(?:[0-9]{2})\.(?:[0-9]{2})\)|$)'''
|
|
|
|
# This is an HP BIOS.
|
|
if not self.version:
|
|
self.version = 'HP'
|
|
|
|
# Extract the version string as a sign-on.
|
|
self.signon = match.group(0)
|
|
|
|
return True
|
|
|
|
def _signon_intel(self, line, match):
|
|
'''^(?:\$IBIOSI\$)?((?:[0-9])\.(?:[0-9]{2})\.(?:[0-9]{2})\.(?:[0-9A-Z]{2,})|(?:[0-9A-Z]{8})\.([0-9A-Z]{3})\.(?:[0-9A-Z]{4})\.(?:[0-9A-Z]{3})\.([0-9]{10}))'''
|
|
|
|
# This is an Intel BIOS.
|
|
if not self.version:
|
|
self.version = 'Intel'
|
|
|
|
# If this is Intel's second Phoenix run, check if this is not a generic
|
|
# (86x) version string overwriting an OEM version string.
|
|
oem = match.group(2)
|
|
if not oem or oem[:2] != '86' or not self._intel_86_pattern.match(self.signon):
|
|
# Extract the version string as a sign-on.
|
|
self.signon = match.group(1)
|
|
|
|
# The longer string on Intel's second Phoenix run has a build date and
|
|
# time, which is more accurate than the build date and time in BCPSYS.
|
|
build_date_time = match.group(3)
|
|
if build_date_time:
|
|
# Check if the date is newer than any existing date.
|
|
build_date = '{0}/{1}/{2}'.format(build_date_time[2:4], build_date_time[4:6], build_date_time[:2])
|
|
if len(self.string) >= 8 and util.date_gt(build_date, self.string[:8], util.date_pattern_mmddyy):
|
|
# Extract the date as a string.
|
|
self.string = '{0} {1}:{2}'.format(build_date, build_date_time[6:8], build_date_time[8:10])
|
|
|
|
return True
|
|
|
|
def _signon_nec_trigger(self, line, match):
|
|
'''^..(NEC Corporation)$'''
|
|
|
|
# This is an NEC BIOS.
|
|
if not self.version:
|
|
self.version = 'NEC'
|
|
|
|
# Discard any bogus sign-on extracted earlier.
|
|
self.signon = match.group(1)
|
|
|
|
# Read sign-on on the next line or two.
|
|
self._trap_signon_nec = True
|
|
|
|
return True
|
|
|
|
def _signon_nec(self, line, match):
|
|
# Disarm trap once we reach the end.
|
|
if line == '@((PP((PP,(-)*.':
|
|
self._trap_signon_nec = False
|
|
return False
|
|
|
|
# Add line to the sign-on, skipping duplicates.
|
|
signon = line.strip()
|
|
if signon not in self.signon:
|
|
self.signon += '\n' + signon
|
|
|
|
return True
|
|
|
|
def _signon_surepath(self, line, match):
|
|
'''^SurePath\(tm\) BIOS Version (.+)'''
|
|
|
|
# This is an IBM BIOS.
|
|
if not self.version:
|
|
self.version = 'IBM'
|
|
|
|
# Extract the version string as a sign-on.
|
|
self.signon = match.group(0)
|
|
|
|
return True
|
|
|
|
def _signon_tandy(self, line, match):
|
|
'''^\!BIOS ROM version ([^\s]+)'''
|
|
|
|
# Extract the Tandy version as a sign-on.
|
|
self._found_signon_tandy = line[1:]
|
|
|
|
# Set sign-on if we already determined this is a Tandy BIOS.
|
|
if self.version == 'Tandy':
|
|
self.signon = self._found_signon_tandy
|
|
|
|
|
|
class PromagAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('Promag', *args, **kwargs)
|
|
|
|
self._version_pattern = re.compile(b'''\\(C\\) PROMAG SYSTEM BOARD VER\\. ([^ ]+) [^\\n]+\\n([\\r\\n\\x20-\\x7E]+)''')
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
match = self._version_pattern.search(file_data)
|
|
if not match:
|
|
return False
|
|
|
|
# Extract version.
|
|
self.version = match.group(1).decode('cp437', 'ignore')
|
|
|
|
# Extract sign-on.
|
|
self.signon = match.group(2).decode('cp437', 'ignore').replace('\r', '')
|
|
|
|
return True
|
|
|
|
|
|
class QuadtelAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('Quadtel', *args, **kwargs)
|
|
|
|
self._id_block_pattern = re.compile(b'''Copyright 19..-.... Quadtel Corp\. Version''')
|
|
self._version_pattern = re.compile('''(?:(?:Quadtel|QUADTEL|PhoenixBIOS) )?(.+) BIOS Version ([^\\r\\n]+)''')
|
|
|
|
self.register_check_list([
|
|
(self._string_date, RegexChecker),
|
|
])
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
if b' Quadtel Corp. Version ' not in file_data:
|
|
return False
|
|
|
|
# Quadtel appears to have a consistent identification block.
|
|
match = self._id_block_pattern.search(file_data)
|
|
if match:
|
|
# Determine location of the identification block.
|
|
id_block_index = match.start(0)
|
|
|
|
# Extract version.
|
|
version_string = util.read_string(file_data[id_block_index + 0xc8:id_block_index + 0x190])
|
|
version_match = self._version_pattern.search(version_string) # may start with a linebreak (Phoenix-Quadtel)
|
|
if version_match:
|
|
self.version = version_match.group(2).replace(' \b', '').rstrip('.').strip().rstrip('.') # remove trailing "." (first for quadt286, second for Quadtel GC113) and space followed by backspace (ZEOS Marlin)
|
|
if self.version[0:1] == 'Q': # flag Phoenix-Quadtel
|
|
self.version = self.version[1:] + ' (Phoenix)'
|
|
|
|
# Extract BIOS type as the string.
|
|
self.string = version_match.group(1).strip()
|
|
|
|
# Extract sign-on.
|
|
self.signon = util.read_string(file_data[id_block_index + 0x190:id_block_index + 0x290]).strip()
|
|
|
|
# Split sign-on lines.
|
|
self.signon = '\n'.join(x.rstrip('\r').strip() for x in self.signon.split('\n') if x != '\r').strip('\n')
|
|
|
|
return True
|
|
|
|
def _string_date(self, line, match):
|
|
'''^[0-9]{2}/[0-9]{2}/[0-9]{2}$'''
|
|
|
|
# Add date to string, or replace any previously-found date with a newer one.
|
|
linebreak_index = self.string.find('\n')
|
|
if linebreak_index > -1:
|
|
if util.date_gt(line, self.string[linebreak_index + 1:], util.date_pattern_mmddyy):
|
|
self.string = self.string[:linebreak_index + 1] + match.group(0)
|
|
else:
|
|
if self.string:
|
|
self.string += '\n'
|
|
self.string += line
|
|
|
|
# Disarm sign-on trap if armed.
|
|
self._trap_signon = False
|
|
|
|
return True
|
|
|
|
|
|
class SchneiderAnalyzer(Analyzer):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__('Schneider', *args, **kwargs)
|
|
|
|
self._version_pattern = re.compile(b'''EURO PC\s+BIOS (V[\\x20-\\x7E]+)''')
|
|
|
|
def can_handle(self, file_data, header_data):
|
|
if b'Schneider Rundfunkwerke AG' not in file_data:
|
|
return False
|
|
|
|
# Locate version.
|
|
match = self._version_pattern.search(file_data)
|
|
if not match:
|
|
return False
|
|
|
|
# Extract version.
|
|
self.version = match.group(1).decode('cp437', 'ignore')
|
|
|
|
return True
|
|
|
|
|
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class SystemSoftAnalyzer(Analyzer):
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def __init__(self, *args, **kwargs):
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super().__init__('SystemSoft', *args, **kwargs)
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self._systemsoft_pattern = re.compile(b'''(?:SystemSoft|Insyde Software Presto) BIOS ''')
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self._version_pattern = re.compile(b''' BIOS [Ff]or ([\\x20-\\x7E]+) Vers(?:\\.|ion) 0?([^ \\x0D\\x0A]+)(?: ([\\x20-\\x7E]+))?''')
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self._version_mobilepro_pattern = re.compile(b'''(Insyde Software Presto|SystemSoft MobilePRO) BIOS Version ([^ \\x0D\\x0A]+)(?: ([\\x20-\\x7E]+))?''')
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self._string_for_pattern = re.compile(b''' BIOS [Ff]or ([\\x20-\\x27\\x29-\\x7E]+)\\(''')
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self._string_scu_pattern = re.compile(b''' SCU [Ff]or ([\\x20-\\x7E]+) [Cc]hipset''')
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self._signon_pattern = re.compile(b'''(?:\\x0D\\x0A){1,}\\x00\\x08\\x00([\\x20-\\x7E]+)''')
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self._signon_old_pattern = re.compile(b'''(?:[\\x0D\\x0A\\x20-\\x7E]+\\x00){1,}\\x00+([\\x0D\\x0A\\x20-\\x7E]+)''')
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def can_handle(self, file_data, header_data):
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if not self._systemsoft_pattern.search(file_data):
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return False
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# Look for the all-in-one version + chipset string.
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aio_match = self._version_pattern.search(file_data)
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if aio_match:
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# Extract version.
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self.version = aio_match.group(2).decode('cp437', 'ignore')
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# Unknown version. (NCR Notepad 3130)
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if len(self.version) <= 2:
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self.version = '?'
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# Extract chipset as a string.
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self.string = aio_match.group(1).decode('cp437', 'ignore')
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# Extract any additional information after the version into the string.
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additional_info = aio_match.group(3)
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if additional_info:
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self.string = self.string.strip() + ' ' + additional_info.decode('cp437', 'ignore').strip()
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# Look for the MobilePRO/Presto version string.
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mp_match = self._version_mobilepro_pattern.search(file_data)
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if mp_match:
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# Extract version.
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self.version = (mp_match.group(1).split(b' ')[-1] + b' ' + mp_match.group(2)).decode('cp437', 'ignore')
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# Extract any additional information after the version into the string.
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additional_info = mp_match.group(3)
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if additional_info:
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self.string = self.string.strip() + ' ' + additional_info.decode('cp437', 'ignore').strip()
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# Stop if we haven't found a version.
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if not self.version:
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return False
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# Look for the BIOS and SCU chipset strings if no chipset identifiers have been found.
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if not aio_match:
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# The SCU string is more precise; a bunch of chipsets including
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# 440BX/ZX and SiS 630 identify as "430TX" on the other one.
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match = self._string_scu_pattern.search(file_data)
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if not match:
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match = self._string_for_pattern.search(file_data)
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if match:
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# Prepend chipset into the string if not already found.
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chipset = match.group(1).decode('cp437', 'ignore')
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if self.string[:len(chipset)] != chipset:
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self.string = chipset.strip() + ' ' + self.string.strip()
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# Extract sign-on after the version string.
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match = mp_match or aio_match
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while match:
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end = match.end(0)
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file_data = file_data[end:]
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match = self._signon_pattern.search(file_data)
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if match:
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signon_line = match.group(1)
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if signon_line[:9] == 'Copyright' and ('SystemSoft' in signon_line or 'Insyde' in signon_line):
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# Skip SystemSoft copyright line.
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pass
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elif signon_line:
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self.signon += '\n' + signon_line.decode('cp437', 'ignore')
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# Special sign-on case for very old BIOSes. (NCR Notepad 3130)
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if not self.signon and aio_match:
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match = self._signon_old_pattern.match(file_data)
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if match:
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self.signon = match.group(1).decode('cp437', 'ignore').replace('\r', '\n')
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# Split sign-on lines.
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self.signon = '\n'.join(x.strip() for x in self.signon.split('\n') if x.strip() and (x[:9] != 'Copyright' or 'SystemSoft' not in x)).strip('\n')
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return True
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class TandonAnalyzer(Analyzer):
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def __init__(self, *args, **kwargs):
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super().__init__('Tandon', *args, **kwargs)
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self._version_pattern = re.compile(b'''NOT COPR. IBM 1984 BIOS VERSION ([\\x20-\\x7E]+)''')
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def can_handle(self, file_data, header_data):
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# Locate version.
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match = self._version_pattern.search(file_data)
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if not match:
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return False
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# Extract version.
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self.version = match.group(1).decode('cp437', 'ignore')
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return True
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class TinyBIOSAnalyzer(Analyzer):
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def __init__(self, *args, **kwargs):
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super().__init__('tinyBIOS', *args, **kwargs)
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self.register_check_list([
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(self._version, RegexChecker),
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((self._noversion_precheck, self._signon), AlwaysRunChecker),
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])
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def can_handle(self, file_data, header_data):
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return b'tinyBIOS V' in file_data and b' PC Engines' in file_data
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def _noversion_precheck(self, line):
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return not self.version
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def _version(self, line, match):
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'''^tinyBIOS (V(?:[^\s]+))'''
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# Extract version.
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self.version = match.group(1)
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return True
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def _signon(self, line, match):
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# Extract the last line before the version as a sign-on.
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self.signon = line
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return False
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class ToshibaAnalyzer(Analyzer):
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def __init__(self, *args, **kwargs):
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super().__init__('Toshiba', *args, **kwargs)
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self.vendor = 'Award'
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self._string_pattern = re.compile(b'''(?:([\\x21-\\x7F]+\s*V[\\x21-\\x7F]{1,16}\s*)TOSHIBA |\\x00{3}BIOS[\\x00-\\xFF]{4}([\\x20-\\x7E]{16}))''')
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def can_handle(self, file_data, header_data):
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if not (b' TOSHIBA ' in file_data and b'Use Toshiba\'s BASIC.' in file_data) and b'Toshiba Corporation. & Award Software Inc.' not in file_data:
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return False
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# Identify as Toshiba-customized Award.
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self.version = 'Toshiba'
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# Extract string.
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match = self._string_pattern.search(file_data)
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if match:
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# Extract 16 characters from the end to avoid preceding characters. (T3100e)
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self.string = (match.group(1) or match.group(2))[-16:].decode('cp437', 'ignore')
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return True
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class WhizproAnalyzer(Analyzer):
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def __init__(self, *args, **kwargs):
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super().__init__('Whizpro', *args, **kwargs)
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def can_handle(self, file_data, header_data):
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if b'$PREPOST' not in file_data or b'$BOOTBLK' not in file_data:
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return False
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# Extract build date as version, as there's no actual
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# version information to be found anywhere. (compressed?)
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date_index = len(file_data) - 0x0b
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self.version = util.read_string(file_data[date_index:date_index + 8])
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# Determine location of the identification block. I've only ever
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# seen 512K BIOSes; other sizes are assumed to work the same way.
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id_block_index = len(file_data) - 0x20110
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# Extract string.
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self.string = util.read_string(file_data[id_block_index + 0xe0:id_block_index + 0x100])
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# Extract sign-on.
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self.signon = util.read_string(file_data[id_block_index:id_block_index + 0x20])
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return True
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def _signon_precheck(self, line):
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return self._trap_signon
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def _signon(self, line, match):
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# The sign-on is one line before the string, so we must store all
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# lines, then act upon the last stored line when the string is found.
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self._found_signon = line
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return True
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def _string(self, line, match):
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'''^[A-Z]-.+-[0-9]+$'''
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# Extract string.
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self.string = match.group(0)
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# Extract sign-on.
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self.signon = self._found_signon
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# Disarm sign-on trap.
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self._trap_signon = False
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class ZenithAnalyzer(Analyzer):
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def __init__(self, *args, **kwargs):
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super().__init__('Zenith', *args, **kwargs)
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self._date_pattern = re.compile(b'''([0-9]{2}/[0-9]{2}/[0-9]{2}) \(C\)ZDS CORP''')
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self._monitor_pattern = re.compile(b'''[\\x20-\\x7E]+ Monitor, Version [\\x20-\\x7E]+''')
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def can_handle(self, file_data, header_data):
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# Locate date.
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match = self._date_pattern.search(file_data)
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if not match:
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return False
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# Extract date as a version.
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self.version = match.group(1).decode('cp437', 'ignore')
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# Extract monitor banner as a sign-on.
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match = self._monitor_pattern.search(file_data)
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if match:
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self.signon = match.group(0).decode('cp437', 'ignore')
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return True
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