libnetfilter_queue.py 文件源码

def __init__(self):
    self.handle = nfq.nfq_open()
    self.fileno = nfq.nfq_fd(self.handle)
    self.socket = socket.fromfd(self.fileno, socket.AF_UNIX, socket.SOCK_RAW)

    if nfq.nfq_unbind_pf(self.handle, socket.AF_INET) < 0:
      raise OSError('nfq_unbind_pf() failed. Are you root?')

    if nfq.nfq_bind_pf(self.handle, socket.AF_INET) < 0:
      raise OSError('nfq_bind_pf() failed. Are you root?')