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Discard bogus sign-on on DEC Phoenix 4.0x

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This commit is contained in:
RichardG867
2022-05-17 18:20:10 -03:00
parent 759d0dbaed
commit 628344bdb3
1 changed files with 7 additions and 1 deletions
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8
biostools/analyzers.py
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@@ -1831,6 +1831,7 @@ class PhoenixAnalyzer(Analyzer):
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._rombios_signon_dec_pattern = re.compile(b'''Copyright \\(C\\) [0-9]{4} Digital Equipment Corporation''')
self._bcpsys_pattern = re.compile(b'''BCPSYS([\\x00-\\xFF]{6})''')
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''')
@@ -1945,7 +1946,12 @@ class PhoenixAnalyzer(Analyzer):
# Extract sign-on from Ax86 and older BIOSes.
match = self._rombios_signon_pattern.search(file_data)
if match:
signon_log = '(old std):'
copyright_index = match.start(0)
if self._rombios_signon_dec_pattern.match(file_data[copyright_index - 48:copyright_index]):
self.debug_print('Ignored bogus sign-on on DEC BIOS')
match = None
else:
signon_log = '(old std):'
else:
match = self._rombios_signon_alt_pattern.search(file_data)
signon_log = '(old alt):'