def create_packet_padr(dst, src, accookie, acname, service):
"""
Create PADR packet
:param dst: Destination MAC
:param src: Source MAC
:param accookie: AC-Cookie tag
:param acname: AC-Name tag
:param service: Service-Name tag
:return: packet
"""
tags = []
tags.append(
PPPoE_Tag(type='Host-Uniq', data=b'\x08\xf4\x18\x35\x80\xff\xff\xff'))
if accookie != None:
tags.append(PPPoE_Tag(type='AC-Cookie', data=accookie))
if acname != None:
tags.append(PPPoE_Tag(type='AC-Name', data=acname))
if service != None:
tags.append(PPPoE_Tag(type='Service-Name', data=service))
packet = Ether(dst=dst, src=src, type=0x8863) / \
PPPoED(version=1, type=1, code=0x19, sessionid=0x0000, tags=tags)
return packet
def runTest(self):
# FIXME: using a dummy payload will generate malformed PPP packets,
# instead we should use appropriate PPP protocol values and PPPoED
# payload (tags)
# https://www.cloudshark.org/captures/f79aea31ad53
pkts = {
"PADO": Ether(src=SWITCH_MAC, dst=HOST1_MAC) / \
PPPoED(version=1, type=1, code=PPPOED_CODE_PADO) / \
"dummy pppoed payload",
"PADS": Ether(src=SWITCH_MAC, dst=HOST1_MAC) / \
PPPoED(version=1, type=1, code=PPPOED_CODE_PADS) / \
"dummy pppoed payload"
}
print ""
for pkt_type, pkt in pkts.items():
print "Testing %s packet..." % pkt_type
self.doRunTest(pkt)
def runTest(self):
# FIXME: using a dummy payload will generate malformed PPP packets,
# instead we should use appropriate PPP protocol values and PPPoED
# payload (tags)
# https://www.cloudshark.org/captures/f79aea31ad53
pkts = {
"PADI": Ether(src=HOST1_MAC, dst=BROADCAST_MAC) / \
PPPoED(version=1, type=1, code=PPPOED_CODE_PADI) / \
"dummy pppoed payload",
"PADR": Ether(src=HOST1_MAC, dst=SWITCH_MAC) / \
PPPoED(version=1, type=1, code=PPPOED_CODE_PADR) / \
"dummy pppoed payload",
}
print ""
for line_mapped in [True, False]:
for pkt_type, pkt in pkts.items():
print "Testing %s packet, line_mapped=%s..." \
% (pkt_type, line_mapped)
self.doRunTest(pkt, line_mapped)
def create_packet_padi(service):
"""
Create PADI packet
:param service: Service-Name tag
:return: packet
"""
tags = []
tags.append(
PPPoE_Tag(type='Host-Uniq', data=b'\x08\xf4\x18\x35\x80\xff\xff\xff'))
if service != None:
tags.append(PPPoE_Tag(type='Service-Name', data=service))
packet = Ether(dst="ff:ff:ff:ff:ff:ff", src="32:ef:21:95:12:0a", type=0x8863) / \
PPPoED(version=1, type=1, code=0x09, sessionid=0x0000, tags=tags)
return packet
def create_packet_padi(service, number_ses):
"""
Create PADI packet
:param service: Service-Name tag
:return: packet
"""
tags = []
tags.append(PPPoE_Tag(type='Host-Uniq', data=random_hU()))
if service != None:
tags.append(PPPoE_Tag(type='Service-Name', data=service))
packet = Ether(dst="ff:ff:ff:ff:ff:ff", src=get_next_mac(number_ses), type=0x8863) / \
PPPoED(version=1, type=1, code=0x09, sessionid=0x0000, tags=tags)
return packet
def create_stream_pppoe_discovery(self, src_if, dst_if,
client_mac, count=1):
packets = []
for i in range(count):
# create packet info stored in the test case instance
info = self.create_packet_info(src_if, dst_if)
# convert the info into packet payload
payload = self.info_to_payload(info)
# create the packet itself
p = (Ether(dst=src_if.local_mac, src=client_mac) /
PPPoED(sessionid=0) /
Raw(payload))
# store a copy of the packet in the packet info
info.data = p.copy()
# append the packet to the list
packets.append(p)
# return the created packet list
return packets