Method from_bytes

pager_lib/smb/security_descriptors.py:300–315

(cls, data)

    @classmethod
    def from_bytes(cls, data):
        revision = None
        aces = []

        header_size = struct.calcsize(cls.HEADER_FORMAT)
        header, remaining = data[:header_size], data[header_size:]
        revision, sbz1, size, count, sbz2 = struct.unpack(cls.HEADER_FORMAT, header)

        assert len(data) >= size

        for i in range(count):
            ace_size = struct.unpack('<H', remaining[2:4])[0]
            ace_data, remaining = remaining[:ace_size], remaining[ace_size:]
            aces.append(ACE.from_bytes(ace_data))

        return cls(revision, aces)


class SecurityDescriptor(object):