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import sys
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import base64
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fd = open(sys.argv[1], 'rb')
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macho = fd.read()
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fd.close()
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magic_start = "\x4F\xF0\x00\x00"*4
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magic_end = "\x4F\xF0\x01\x00"*4
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start = macho.find(magic_start) + len(magic_start) + 2
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end   = macho.find(magic_end)
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end   = (end & 0xfff0) + 0x10
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print("real len: 0x%x" % (end - start))
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blob = macho[start:start+0x400]
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print("code start: 0x%x" % start)
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print("code end: 0x%x" % end)
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fd = open(sys.argv[1] + ".b64", "wb+")
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fd.write(base64.b64encode(blob))
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fd.close()
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fd = open(sys.argv[1] + ".bin", "wb+")
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fd.write(blob)
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fd.close()
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