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Make read_version_from_raw() more robust #44

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Make read_version_from_raw() more robust #44

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5 changes: 5 additions & 0 deletions ecleankernel/file.py
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Original file line number Diff line number Diff line change
Expand Up @@ -213,6 +213,11 @@ def read_version_from_raw(self,
return None
pos += len(ver_start)
sbuf = b[pos:pos + 0x100]
# Ignore the version information if there are non-ASCII
# characters at the beginning.
for byte in sbuf[:4]:
if byte < 40 or byte > 176:
return None
return sbuf

def read_version_from_efi(self,
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