def test_icmpv6(self):
# create one packet, copy its bytes, then compare their fields
icmp = icmpv6()
assert (icmp != None)
icmp.type = ICMP6_ECHO_REQUEST
icmp.code = 0
# Create a packet to compare against
icmpnew = icmpv6()
icmpnew.decode(icmp.bytes)
self.assertEqual(icmp.bytes, icmpnew.bytes, "bytes not equal")
self.assertEqual(icmpnew.type, ICMP6_ECHO_REQUEST,
"type not equal %d" % icmp.type)
self.assertEqual(icmpnew.code, 0, "code not equal %d" % icmp.code)
def test_icmpv6(self):
# create one packet, copy its bytes, then compare their fields
icmp = icmpv6()
assert (icmp != None)
icmp.type = ICMP6_ECHO_REQUEST
icmp.code = 0
# Create a packet to compare against
icmpnew = icmpv6()
icmpnew.decode(icmp.bytes)
self.assertEqual(icmp.bytes, icmpnew.bytes, "bytes not equal")
self.assertEqual(icmpnew.type, ICMP6_ECHO_REQUEST,
"type not equal %d" % icmp.type)
self.assertEqual(icmpnew.code, 0, "code not equal %d" % icmp.code)
def ICMPv6_pack_message(iface, pkt_type):
#procedure to get iface address
#iface = 'wlan2' #interface
addrs = netifaces.ifaddresses(iface)
ll_src_addr = addrs[netifaces.AF_INET6][1]['addr']
ll_src_addr = ll_src_addr[:ll_src_addr.find('%')]
gl_src_addr = addrs[netifaces.AF_INET6][0]['addr']
#gl_src_addr = gl_src_addr[:gl_src_addr.find('%')]
#print gl_src_addr
#print ll_src_addr
# building ethernet header
e = ethernet()
mac = netifaces.ifaddresses(iface)[netifaces.AF_LINK][0]['addr'] #geting mac addr
e.src = ether_atob(mac)
e.dst = ether_atob('ff:ff:ff:ff:ff:ff')
e.type = 0x86dd #ETHERTYPE_IPV6
#building ipv6 packet basic info
ip6 = ipv6()
ip6.version = 6
#cs = icmp6.cksum(ip6) & 0xffff
# building ipv6 header
ip6.traffic_class = 0x0a
ip6.flow = 0
ip6.length = 50
ip6.next_header = 58#IPPROTO_ICMPV6
ip6.hop = 255
ip6.src = pcs.inet_pton(AF_INET6, ll_src_addr)
ip6.dst = pcs.inet_pton(AF_INET6, 'ff02::1')
# building icmpv6
icmp6 = icmpv6(ICMP6_ECHO_REQUEST) #ICMP6_ECHO_REPLY
icmp6.code = 0
icmp6.seq = 0
icmp6.id = 0x03e8
icmp6.checksum = 0x0 #kt.calc_checksums()
data = payload(payload = gl_src_addr) #message data
ip6.length = len(icmp6.getbytes()) + len(data) #recalculation of packet length
if(pkt_type == 0):
icmp6.cheksum = 0xf220
ip6.traffic_class = 0x0a
pkt = pcs.Chain([e, ip6, icmp6, data]) #appendin packet
else:
icmp6.checksum = 0xe91b
ip6.traffic_class = 0x0f
pkt = pcs.Chain([e, ip6, icmp6]) #appendin packet
#icmp6.checksum = pkt.calc_checksums()
pkt.encode()
#print pkt
return pkt
def test_icmpv6_ping(self):
import os
uname = os.uname()[0]
if uname == "FreeBSD":
devname = "edsc0"
elif uname == "Linux":
devname = "lo"
elif uname == "Darwin":
devname = "en0"
else:
print "unknown host os %s" % uname
return
e = ethernet()
e.type = 0x0800
e.src = "\x00\x00\x00\x00\x00\x00"
e.dst = "\xff\xff\xff\xff\xff\xff"
e.type = 0x0800
ip = ipv6()
ip.traffic_class = 1
ip.flow = 0
ip.length = 64
ip.next_header = IPV6_ICMP
ip.hop = 64
ip.src = inet_pton(AF_INET6, "::1")
ip.dst = inet_pton(AF_INET6, "::1")
icmp = icmpv6()
icmp.type = 128
icmp.code = 0
icmp.cksum = 0
ip.len = len(ip.bytes) + len(icmp.bytes)
packet = Chain([e, ip, icmp])
packet.calc_checksums()
packet.encode()
input = PcapConnector(devname)
input.setfilter("icmp6")
output = PcapConnector(devname)
assert (ip != None)
# XXX The use of IP triggers a bpf header format bug if used
# with loopback device on FreeBSD, so we use edsc(4) there.
n_out = output.write(packet.bytes, 42)
assert (n_out == 42)
packet_in = input.read()
assert (n_out == len(packet_in))
def test_icmpv6_ping(self):
import os
uname = os.uname()[0]
if uname == "FreeBSD":
devname = "edsc0"
elif uname == "Linux":
devname = "lo"
elif uname == "Darwin":
devname = "en0"
else:
print "unknown host os %s" % uname
return
e = ethernet()
e.type = 0x0800
e.src = "\x00\x00\x00\x00\x00\x00"
e.dst = "\xff\xff\xff\xff\xff\xff"
e.type = 0x0800
ip = ipv6()
ip.traffic_class = 1
ip.flow = 0
ip.length = 64
ip.next_header = IPV6_ICMP
ip.hop = 64
ip.src = inet_pton(AF_INET6, "::1")
ip.dst = inet_pton(AF_INET6, "::1")
icmp = icmpv6()
icmp.type = 128
icmp.code = 0
icmp.cksum = 0
ip.len = len(ip.bytes) + len(icmp.bytes)
packet = Chain([e, ip, icmp])
packet.calc_checksums()
packet.encode()
input = PcapConnector(devname)
input.setfilter("icmp6")
output = PcapConnector(devname)
assert (ip != None)
# XXX The use of IP triggers a bpf header format bug if used
# with loopback device on FreeBSD, so we use edsc(4) there.
n_out = output.write(packet.bytes, 42)
assert (n_out == 42)
packet_in = input.read()
assert (n_out == len(packet_in))
def main():
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-c", "--count",
dest="count", default=1,
help="Stop after sending (and recieving) count ECHO_RESPONSE packets..")
parser.add_option("-D", "--dont_fragment",
dest="df", default=False,
help="Set the Don't Fragment bit.")
parser.add_option("-s", "--ip_source",
dest="ip_source", default=None,
help="The IP source address.")
parser.add_option("-d", "--ip_dest",
dest="ip_dest", default=None,
help="The IP destination address.")
parser.add_option("-I", "--ether_iface",
dest="ether_iface", default=None,
help="The name of the source interface.")
parser.add_option("-e", "--ether_source",
dest="ether_source", default=None,
help="The host Ethernet source address.")
parser.add_option("-g", "--ether_dest",
dest="ether_dest", default=None,
help="The gateway Ethernet destination address.")
parser.add_option("-r", "--rt_hop",
dest="hop", default="::",
help="The intermediate router address.")
(options, args) = parser.parse_args()
rtcount = 1
# plen is 8 + rtcount * 16 for rt hdr, 8 for ICMP, 6 for foobar
plen = 8 + rtcount * 16 + 8 + 6
c = ethernet(src=ether_atob(options.ether_source), \
dst=ether_atob(options.ether_dest)) / \
ipv6(hop=64, next_header = 43, length = plen, \
src=inet_pton(AF_INET6, options.ip_source), \
dst=inet_pton(AF_INET6, options.ip_dest)) / \
ipv6ext.rt_ext(next_header = 58, \
addr1 = inet_pton(AF_INET6, options.hop)) / \
icmpv6(type=ICMP6_ECHO_REQUEST, id=12345) / \
payload(payload="foobar")
c.calc_lengths()
#
# Increment ICMP echo sequence number with each iteration.
#
output = PcapConnector(options.ether_iface)
ip = c.packets[1]
icmpecho = c.packets[3]
count = int(options.count)
while (count > 0):
# c.calc_checksums()
# icmpecho.cksum = icmpv6.cksum(icmpecho, ip)
# icmpecho.calc_checksum()
c.encode()
out = output.write(c.bytes, len(c.bytes))
# packet = input.read()
# print packet
sleep(1)
count -= 1
icmpecho.sequence += 1
def main():
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-c", "--count",
dest="count", default=1,
help="Stop after sending (and recieving) count ECHO_RESPONSE packets..")
parser.add_option("-D", "--dont_fragment",
dest="df", default=False,
help="Set the Don't Fragment bit.")
parser.add_option("-s", "--ip_source",
dest="ip_source", default=None,
help="The IP source address.")
parser.add_option("-d", "--ip_dest",
dest="ip_dest", default=None,
help="The IP destination address.")
parser.add_option("-I", "--ether_iface",
dest="ether_iface", default=None,
help="The name of the source interface.")
parser.add_option("-e", "--ether_source",
dest="ether_source", default=None,
help="The host Ethernet source address.")
parser.add_option("-g", "--ether_dest",
dest="ether_dest", default=None,
help="The gateway Ethernet destination address.")
parser.add_option("-r", "--rt_hop",
dest="hop", default="::",
help="The intermediate router address.")
(options, args) = parser.parse_args()
rtcount = 1
# plen is 8 + rtcount * 16 for rt hdr, 8 for ICMP, 6 for foobar
plen = 8 + rtcount * 16 + 8 + 6
c = ethernet(src=ether_atob(options.ether_source), \
dst=ether_atob(options.ether_dest)) / \
ipv6(hop=64, next_header = 43, length = plen, \
src=inet_pton(AF_INET6, options.ip_source), \
dst=inet_pton(AF_INET6, options.ip_dest)) / \
ipv6ext.rt_ext(next_header = 58, \
addr1 = inet_pton(AF_INET6, options.hop)) / \
icmpv6(type=ICMP6_ECHO_REQUEST, id=12345) / \
payload(payload="foobar")
c.calc_lengths()
#
# Increment ICMP echo sequence number with each iteration.
#
output = PcapConnector(options.ether_iface)
ip = c.packets[1]
icmpecho = c.packets[3]
count = int(options.count)
while (count > 0):
# c.calc_checksums()
# icmpecho.cksum = icmpv6.cksum(icmpecho, ip)
# icmpecho.calc_checksum()
c.encode()
out = output.write(c.bytes, len(c.bytes))
# packet = input.read()
# print packet
sleep(1)
count -= 1
icmpecho.sequence += 1