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13 lines
470 B
Python
13 lines
470 B
Python
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def mac_to_lladdr(mac):
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macpieces = []
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mac = mac.replace('-', ':')
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for byte in mac.split(':'):
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macpieces.append(int(byte, 16))
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macpieces[0] = macpieces[0] ^ 2
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llapieces = [(macpieces[0] << 8) + macpieces[1], (macpieces[2] << 8) + 0xff, 0xfe00 + macpieces[3], (macpieces[4] << 8) + macpieces[5]]
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return 'fe80::{:x}:{:x}:{:x}:{:x}'.format(*llapieces)
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if __name__ == '__main__':
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import sys
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print(mac_to_lladdr(sys.argv[1]))
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