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16 lines
467 B
Python
Executable File
16 lines
467 B
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2023 Luke Dashjr
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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import sys
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with open(sys.argv[1], "r+b") as dmg:
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# Ensure HFS+ header is where we expect it
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dmg.seek(0x10400)
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assert dmg.read(4) == b'\x48\x2b\0\x04'
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# Set Finder info to open directory ID 2 when mounted
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dmg.seek(0x10458)
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dmg.write(b'\0\0\0\x02')
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