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AwardAnalyzer: Handle Gigabyte fork with Award version string removed

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RichardG867
2025-05-17 17:21:41 -03:00
parent c7a686e4ae
commit 348be40c32
1 changed files with 8 additions and 2 deletions
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10
biostools/analyzers.py
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@@ -776,6 +776,7 @@ class AwardAnalyzer(Analyzer):
self._early_pattern = re.compile(b'''([0-9A-Z][\\x21-\\x7E]+) BIOS V([0-9.]+)[\\x21-\\x7E]* COPYRIGHT''')
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$''')
self._gigabyte_flag_pattern = re.compile(b'''GIGABYTEFLAG\\x00''')
self._gigabyte_hefi_pattern = re.compile(b'''EFI CD/DVD Boot Option''')
self._id_block_pattern = re.compile(
b'''(?:''' + util.rotate_pattern(b'Award Software Inc. ', 6) + b'''|''' + util.rotate_pattern(b'Phoenix Technologies, Ltd ', 6) + b''')[\\x00-\\xFF]{8}IBM COMPATIBLE|''' # whatever has "Phoenix" instead of "Award" was lost to time
@@ -829,14 +830,19 @@ class AwardAnalyzer(Analyzer):
# Extract version.
self.signon = ''
is_gigabyte = False
version_match = self._version_pattern.search(version_string)
if version_match:
self.version = 'v' + (version_match.group(1) or version_match.group(2))
is_gigabyte = self.version == 'v6.00PG'
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'
elif self._gigabyte_flag_pattern.search(file_data): # Award version removed (Itautec ST 4271)
self.version = '?'
is_gigabyte = True
# Extract sign-on.
signon = util.read_string(file_data[id_block_index + 0xc1:id_block_index + 0x10f])
@@ -918,13 +924,13 @@ class AwardAnalyzer(Analyzer):
# TODO: PhoenixNet-specific sign-ons
self.metadata.append(('PhoenixNet', phoenixnet_signon))
if self.version == 'v6.00PG' and self._gigabyte_eval_pattern.match(self.signon):
if is_gigabyte 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.debug_print('Sign-on reconstructed from Gigabyte data')
self.signon = (match.group(1) + b' ' + match.group(2)).decode('cp437', 'ignore')
self.signon = (match.group(1) + b' ' + match.group(2)).decode('cp437', 'ignore') # actual sign-on may be a longer one located in a hard spot (Itautec ST 4271)
found = True
break