def recv(self, bufsize):
		self.ins.read(1) # used only for poll/sync
		pkt, ts = self.nflog.pipe.popleft()
		if pkt is None: return
		try: pkt = IP(pkt)
		except KeyboardInterrupt: raise
		except:
			if conf.debug_dissector: raise
			pkt = conf.raw_layer(pkt)
		pkt.time = ts
		return pkt
Example #2
0
 def recv(self, bufsize):
     self.ins.read(1)  # used only for poll/sync
     pkt, ts = self.nflog.pipe.popleft()
     if pkt is None: return
     try:
         pkt = IP(pkt)
     except KeyboardInterrupt:
         raise
     except:
         if conf.debug_dissector: raise
         pkt = conf.raw_layer(pkt)
     pkt.time = ts
     return pkt
Example #3
0
def fake_sr_return():
    """Fake srloop response."""
    # fake unans
    pkt_fail = IP(dst="127.0.0.1",
                  tos=dscp_to_tos(1)) / ICMP(type="echo-request")

    fake_unans = pkt_fail

    # fake ans
    pkt_ok_sent = IP(dst="127.0.0.1",
                     tos=dscp_to_tos(2)) / ICMP(type="echo-request")

    pkt_ok_response = IP(dst="127.0.0.1") / ICMP(type="echo-reply")

    pkt_ok_sent.sent_time = 0
    pkt_ok_response.time = 0.1

    fake_ans = [[pkt_ok_sent, pkt_ok_response]]

    return (fake_ans, fake_unans)
Example #4
0
def fake_sr_return():
    """Fake srl response."""
    # fake unans
    pkt_fail = IP(dst="127.0.0.1") / TCP(
        flags="S", seq=0, dport=80, sport=65000)

    fake_unans = PacketList(pkt_fail)

    # fake ans
    pkt_ok_sent = IP(dst="127.0.0.1") / TCP(
        flags="S", seq=1, dport=80, sport=65001)

    pkt_ok_response = IP(dst="127.0.0.1") / TCP(
        flags="S", seq=1, ack=2, dport=65001, sport=80)

    pkt_ok_sent.sent_time = 0
    pkt_ok_response.time = 0.1

    fake_ans = [[pkt_ok_sent, pkt_ok_response]]

    return (fake_ans, fake_unans)