本文整理汇总了Python中ryu.lib.packet.icmp.icmp函数的典型用法代码示例。如果您正苦于以下问题：Python icmp函数的具体用法？Python icmp怎么用？Python icmp使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了icmp函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_Packet_in_2_icmpEcho1
def test_Packet_in_2_icmpEcho1(self):
print "*** Case2: HOST2のMAC未学習の時、HOST1からICMP Echoを受信 ***"
sr = SimpleForward()
dstMac = ROUTER_MACADDR1
srcMac = HOST_MACADDR1
srcIp = HOST_IPADDR1
dstIp = HOST_IPADDR2
targetMac = dstMac
targetIp = dstIp
ttl = 64
datapath = _Datapath()
e = ethernet(dstMac, srcMac, ether.ETH_TYPE_IP)
iph = ipv4(4, 5, 0, 0, 0, 2, 0, ttl, 1, 0, srcIp, dstIp)
echo = icmp.echo(1, 1, 'unit test')
icmph = icmp.icmp(8, 0, 0, echo)
p = Packet()
p.add_protocol(e)
p.add_protocol(iph)
p.add_protocol(icmph)
p.serialize()
packetIn = OFPPacketIn(datapath, match=OFPMatch(in_port=1), data=buffer(p.data))
ev = ofp_event.EventOFPPacketIn(packetIn)
result = sr.packet_in_handler(ev)
self.assertEqual(result, 1)
print ""示例2: _handle_icmp
def _handle_icmp(self, ev, subname):
msg = ev.msg
datapath = msg.datapath
pkt = packet.Packet(data=msg.data)
pkt_ethernet = pkt.get_protocol(ethernet.ethernet)
pkt_ipv4 = pkt.get_protocol(ipv4.ipv4)
pkt_icmp = pkt.get_protocol(icmp.icmp)
in_port = msg.match['in_port']
# ignore icmp of other than icmp_echo_request
if pkt_icmp.type != icmp.ICMP_ECHO_REQUEST:
return
# make packet object to return
this_subnet=self.subnet[datapath.id][subname]
pkt = packet.Packet()
pkt.add_protocol(ethernet.ethernet(ethertype=pkt_ethernet.ethertype,
dst=pkt_ethernet.src,
src=this_subnet['mac']))
# if vid != None:
# pkt.add_protocol(vlan.vlan(vid=vid, ethertype = 0x0800))
pkt.add_protocol(ipv4.ipv4(dst=pkt_ipv4.src,
src=this_subnet['ip'],
proto=pkt_ipv4.proto))
pkt.add_protocol(icmp.icmp(type_=icmp.ICMP_ECHO_REPLY,
code=icmp.ICMP_ECHO_REPLY_CODE,
csum=0,
data=pkt_icmp.data))
self._send_packet(datapath, in_port, pkt)
self.logger.info("icmp reply is sent: %s-%s via port=%s" % (pkt_ethernet.src, pkt_ipv4.src, in_port) ) 示例3: test_default_args
def test_default_args(self):
ic = icmp.icmp()
buf = ic.serialize(bytearray(), None)
res = struct.unpack(icmp.icmp._PACK_STR, six.binary_type(buf[:4]))
eq_(res[0], 8)
eq_(res[1], 0)
eq_(buf[4:], b'\x00\x00\x00\x00')
# with data
ic = icmp.icmp(type_=icmp.ICMP_DEST_UNREACH, data=icmp.dest_unreach())
buf = ic.serialize(bytearray(), None)
res = struct.unpack(icmp.icmp._PACK_STR, six.binary_type(buf[:4]))
eq_(res[0], 3)
eq_(res[1], 0)
eq_(buf[4:], b'\x00\x00\x00\x00')示例4: _handle_icmp
def _handle_icmp(self, msg, pkt, icmp_pkt):
"""
reply to ICMP_ECHO_REQUEST(i.e. ping);
may handle other types of ICMP msg in the future;
return True if send a response
"""
LOG.debug('Handling ICMP packet %s', icmp_pkt)
if icmp_pkt.type != icmp.ICMP_ECHO_REQUEST:
return False
in_port_no = msg.in_port
switch = self.dpid_to_switch[msg.datapath.id]
ipv4_layer = self.find_packet(pkt, 'ipv4')
ip_src = netaddr.IPAddress(ipv4_layer.src)
ip_dst = netaddr.IPAddress(ipv4_layer.dst)
if ip_dst == netaddr.IPAddress(util.bgper_config['local_ipv4']):
self.write_to_tap(pkt.data, modifyMacAddress=True)
LOG.debug('Forward ICMP packet to tap port.')
return True
need_reply = False
for _k, p in switch.ports.iteritems():
if p.gateway and p.gateway.gw_ip == ip_dst:
need_reply = True
break
if not need_reply:
return False
echo_id = icmp_pkt.data.id
echo_seq = icmp_pkt.data.seq
echo_data = bytearray(icmp_pkt.data.data)
icmp_data = icmp.echo(id_=echo_id, seq=echo_seq, data=echo_data)
#send a echo reply packet
ether_layer = self.find_packet(pkt, 'ethernet')
ether_dst = ether_layer.src
ether_src = str(switch.ports[in_port_no].hw_addr)
e = ethernet.ethernet(ether_dst, ether_src, ether.ETH_TYPE_IP)
#csum calculation should be paid attention to
i = ipv4.ipv4(version=4, header_length=5, tos=0, total_length=0,
identification=0, flags=0x000, offset=0, ttl=64, proto=1, csum=0,
src=str(ip_dst), dst=str(ip_src), option=None)
ic = icmp.icmp(type_=0, code=0, csum=0, data=icmp_data)
p = packet.Packet()
p.add_protocol(e)
p.add_protocol(i)
p.add_protocol(ic)
p.serialize()
datapath = msg.datapath
datapath.send_packet_out(in_port=ofproto_v1_0.OFPP_NONE,
actions=[datapath.ofproto_parser.OFPActionOutput(in_port_no)],
data=p.data)
LOG.debug('Ping replied %s -> %s', ip_dst, ip_src)
return True示例5: _handle_icmp
def _handle_icmp(self, datapath, port, pkt_ethernet, pkt_ipv4, pkt_icmp):
if pkt_icmp.type != icmp.ICMP_ECHO_REQUEST:
return
pkt = packet.Packet()
pkt.add_protocol(ethernet.ethernet(ethertype=pkt_ethernet.ethertype, dst=pkt_ethernet.src, src=self.hw_addr))
pkt.add_protocol(ipv4.ipv4(dst=pkt_ipv4.src, src=self.ip_addr, proto=pkt_ipv4.proto))
pkt.add_protocol(
icmp.icmp(type_=icmp.ICMP_ECHO_REPLY, code=icmp.ICMP_ECHO_REPLY_CODE, csum=0, data=pkt_icmp.data)
)
self._send_packet(datapath, port, pkt)示例6: setUp
def setUp(self):
self.type_ = icmp.ICMP_ECHO_REQUEST
self.code = 0
self.csum = 0
self.data = None
self.ic = icmp.icmp(self.type_, self.code, self.csum, self.data)
self.buf = bytearray(struct.pack(icmp.icmp._PACK_STR, self.type_, self.code, self.csum))
self.csum_calc = packet_utils.checksum(self.buf)
struct.pack_into("!H", self.buf, 2, self.csum_calc)示例7: setUp_with_TimeExceeded
def setUp_with_TimeExceeded(self):
self.te_data = b"abc"
self.te_data_len = len(self.te_data)
self.data = icmp.TimeExceeded(data_len=self.te_data_len, data=self.te_data)
self.type_ = icmp.ICMP_TIME_EXCEEDED
self.code = 0
self.ic = icmp.icmp(self.type_, self.code, self.csum, self.data)
self.buf = bytearray(struct.pack(icmp.icmp._PACK_STR, self.type_, self.code, self.csum))
self.buf += self.data.serialize()
self.csum_calc = packet_utils.checksum(self.buf)
struct.pack_into("!H", self.buf, 2, self.csum_calc)示例8: send_ping
def send_ping(self, ip_dst):
pkt = packet.Packet()
if ip_dst in self.arp_table:
mac_dst = self.arp_table[ip_dst]
else:
return
pkt.add_protocol(ethernet.ethernet(ethertype=0x800,dst=mac_dst,\
src=self.hw_addr))
pkt.add_protocol(ipv4.ipv4(dst= ip_dst, src=self.ip_addr,proto=1))
pkt.add_protocol(icmp.icmp(type_= 8, code=0, csum=0))#Not sure about echo
print("Ping packet sent")
self._flood_packet(pkt)示例9: _handle_icmp
def _handle_icmp(self, msg, pkt, icmp_pkt):
'''
reply to ICMP_ECHO_REQUEST(i.e. ping);
may handle other types of ICMP msg in the future;
return True if send a responce
'''
#print 'icmp', icmp_pkt
if icmp_pkt.type != icmp.ICMP_ECHO_REQUEST:
return False
in_port_no = msg.in_port
switch = self.dpid_to_switch[msg.datapath.id]
ipv4_layer = self.find_packet(pkt, 'ipv4')
ip_src = ipv4_layer.src
ip_dst = ipv4_layer.dst
need_reply = False
for _k, p in switch.ports.iteritems():
if p.gateway and p.gateway.gw_ip == ip_dst:
need_reply = True
break
if not need_reply:
return False
echo_id = icmp_pkt.data.id
echo_seq = icmp_pkt.data.seq
echo_data = bytearray(icmp_pkt.data.data)
icmp_data = icmp.echo(id_=echo_id,seq=echo_seq,data=echo_data)
#send a echo reply packet
ether_layer = self.find_packet(pkt, 'ethernet')
ether_dst = ether_layer.src
ether_src = switch.ports[in_port_no].hw_addr
e = ethernet.ethernet(ether_dst,ether_src,ether.ETH_TYPE_IP)
#csum calculation should be paied attention
i = ipv4.ipv4(version=4,header_length=5,tos=0,total_length=0,
identification=0,flags=0x000,offset=0,ttl=64,proto=1,csum=0,
src=ip_dst,dst=ip_src,option=None)
ic = icmp.icmp(type_= 0,code=0,csum=0,data=icmp_data)
p = packet.Packet()
p.add_protocol(e)
p.add_protocol(i)
p.add_protocol(ic)
p.serialize()
datapath = msg.datapath
datapath.send_packet_out(in_port=ofproto_v1_0.OFPP_NONE,
actions=[datapath.ofproto_parser.OFPActionOutput(in_port_no)],
data=p.data)
print 'send a ping replay'
return True示例10: _build_pkt
def _build_pkt(self, fields, ops):
pkt_out = packet.Packet()
pkt_ipv4 = pkt_out.get_protocol(ipv4.ipv4)
pkt_icmp = pkt_out.get_protocol(icmp.icmp)
def addIPv4(pkt_out, fields):
pkt_out.add_protocol(ipv4.ipv4(dst=fields['dstip'],
src=fields['srcip'],
proto=fields['proto']))
return pkt_out
pkt_out.add_protocol(ethernet.ethernet(ethertype=fields['ethtype'],
dst=fields['dstmac'],
src=fields['srcmac']))
# Add if ARP
if 'arp' in fields['ptype']:
pkt_out.add_protocol(arp.arp(opcode=arp.ARP_REPLY,
src_mac=fields['srcmac'],
src_ip=fields['srcip'],
dst_mac=fields['dstmac'],
dst_ip=fields['dstip']))
# Add if IPv4
if 'ipv4' in fields['ptype']:
pkt_out = addIPv4(pkt_out,fields)
# Add if ICMP
if 'icmp' in fields['ptype']:
pkt_out = addIPv4(pkt_out,fields)
pkt_out.add_protocol(icmp.icmp(type_=icmp.ICMP_ECHO_REPLY,
code=icmp.ICMP_ECHO_REPLY_CODE,
csum=0,
data=None))
# Add if UDP
if 'udp' in fields['ptype']:
pkt_out = addIPv4(pkt_out,fields)
pkt_out.add_protocol(udp.udp(dst_port=fields['dstport'],
bits=fields['bits'],option=fields['opt'],
src_port=fields['srcport']))
# Add if TCP
if 'tcp' in fields['ptype']:
pkt_out = addIPv4(pkt_out,fields)
pkt_out.add_protocol(tcp.tcp(dst_port=fields['dstport'],
bits=fields['bits'],option=fields['opt'],
src_port=fields['srcport']))
#Add covert channel information
if fields['com'] != None:
pkt_out.add_protocol(fields['com'])
#Send crafted packet
self._send_packet(fields['dp'], ops['newport'], pkt_out)示例11: _handle_icmp
def _handle_icmp(self, datapath, port, pkt_ethernet, pkt_ipv4, pkt_icmp):
if pkt_icmp.type != icmp.ICMP_ECHO_REQUEST:
return
if pkt_ipv4.dst in self.arp_table1:
# index = self.ip_addr.index(pkt_ipv4.dst)
pkt = packet.Packet()
pkt.add_protocol(ethernet.ethernet(ethertype=pkt_ethernet.ethertype,
dst=pkt_ethernet.src, src=self.arp_table1[pkt_ipv4.dst]))
pkt.add_protocol(ipv4.ipv4(dst=pkt_ipv4.src, src=pkt_ipv4.dst,
proto=pkt_ipv4.proto))
pkt.add_protocol(icmp.icmp(type_=icmp.ICMP_ECHO_REPLY,
code=icmp.ICMP_ECHO_CODE, csum=0, datapath=pkt_icmp.data))
self._send_packet(datapath, port, pkt)示例12: _build_echo
def _build_echo(self, _type, echo):
e = self._build_ether(ether.ETH_TYPE_IP)
ip = ipv4.ipv4(version=4, header_length=5, tos=0, total_length=84,
identification=0, flags=0, offset=0, ttl=64,
proto=inet.IPPROTO_ICMP, csum=0,
src=self.RYU_IP, dst=self.HOST_IP)
ping = icmp.icmp(_type, code=0, csum=0, data=echo)
p = packet.Packet()
p.add_protocol(e)
p.add_protocol(ip)
p.add_protocol(ping)
p.serialize()
return p示例13: setUp_with_dest_unreach
def setUp_with_dest_unreach(self):
self.unreach_mtu = 10
self.unreach_data = b"abc"
self.unreach_data_len = len(self.unreach_data)
self.data = icmp.dest_unreach(data_len=self.unreach_data_len, mtu=self.unreach_mtu, data=self.unreach_data)
self.type_ = icmp.ICMP_DEST_UNREACH
self.code = icmp.ICMP_HOST_UNREACH_CODE
self.ic = icmp.icmp(self.type_, self.code, self.csum, self.data)
self.buf = bytearray(struct.pack(icmp.icmp._PACK_STR, self.type_, self.code, self.csum))
self.buf += self.data.serialize()
self.csum_calc = packet_utils.checksum(self.buf)
struct.pack_into("!H", self.buf, 2, self.csum_calc)示例14: createPacketIpv4
def createPacketIpv4(self, datapath, port, pkt_ethernet, pkt_ipv, pkt_icmp):
# create send packet
sendpkt = packet.Packet()
sendpkt.add_protocol(ethernet.ethernet(ethertype=pkt_ethernet.ethertype,
dst=pkt_ethernet.dst,
src=pkt_ethernet.src))
sendpkt.add_protocol(ipv4.ipv4(dst=pkt_ipv.src,
src=pkt_ethernet.src,
proto=pkt_ipv.proto))
sendpkt.add_protocol(icmp.icmp(type_=icmp.ICMP_ECHO_REPLY,
code=icmp.ICMP_ECHO_REPLY_CODE,
csum=0,
data=pkt_icmp.data))
sendpkt.serialize()
return sendpkt示例15: send_ping
def send_ping(self, datapath, src_mac, dst_mac, src_ip, dst_ip, outport=1, seq=0):
ttl = 64
e = ethernet.ethernet(dst_mac, src_mac, ether.ETH_TYPE_IP)
iph = ipv4.ipv4(4, 5, 0, 0, 0, 2, 0, ttl, 1, 0, src_ip, dst_ip)
echo = icmp.echo(1, seq, data=None)
icmph = icmp.icmp(8, 0, 0, echo)
pkt = packet.Packet()
pkt.add_protocol(e)
pkt.add_protocol(iph)
pkt.add_protocol(icmph)
self._send_packet(datapath, outport, pkt)
self.logger.info("icmp echo req is sent: to %s" % (dst_ip,) )