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37 lines
944 B
Python
37 lines
944 B
Python
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def cleanBin(s, fixspacing=False):
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"""
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Cleans binary data to make it safe to display. If fixspacing is True,
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tabs, newlines and so forth will be maintained, if not, they will be
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replaced with a placeholder.
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"""
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parts = []
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for i in s:
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o = ord(i)
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if (o > 31 and o < 127):
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parts.append(i)
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elif i in "\n\t" and not fixspacing:
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parts.append(i)
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else:
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parts.append(".")
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return "".join(parts)
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def hexdump(s):
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"""
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Returns a set of tuples:
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(offset, hex, str)
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"""
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parts = []
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for i in range(0, len(s), 16):
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o = "%.10x"%i
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part = s[i:i+16]
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x = " ".join("%.2x"%ord(i) for i in part)
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if len(part) < 16:
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x += " "
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x += " ".join(" " for i in range(16 - len(part)))
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parts.append(
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(o, x, cleanBin(part, True))
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)
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return parts
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