def __init__(self,
iface=None,
proto=socket.IPPROTO_IP,
ttl=128,
ipv6=False,
promisc=True,
**kwargs):
from scapy.layers.inet import IP
from scapy.layers.inet6 import IPv6
for kwarg in kwargs:
warning("Dropping unsupported option: %s" % kwarg)
af = socket.AF_INET6 if ipv6 else socket.AF_INET
self.proto = proto
if ipv6:
from scapy.arch import get_if_addr6
self.host_ip6 = get_if_addr6(conf.iface) or "::1"
if proto == socket.IPPROTO_IP:
# We'll restrict ourselves to UDP, as TCP isn't bindable
# on AF_INET6
self.proto = socket.IPPROTO_UDP
# On Windows, with promisc=False, you won't get much
self.ipv6 = ipv6
self.cls = IPv6 if ipv6 else IP
self.promisc = promisc
# Notes:
# - IPPROTO_RAW only works to send packets.
# - IPPROTO_IPV6 exists in MSDN docs, but using it will result in
# no packets being received. Same for its options (IPV6_HDRINCL...)
# However, using IPPROTO_IP with AF_INET6 will still receive
# the IPv6 packets
try:
self.ins = socket.socket(af, socket.SOCK_RAW, self.proto)
self.outs = socket.socket(af, socket.SOCK_RAW, socket.IPPROTO_RAW)
except OSError as e:
if e.errno == 10013:
raise OSError("Windows native L3 Raw sockets are only "
"usable as administrator ! "
"Install Winpcap/Npcap to workaround !")
raise
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 2**30)
# IOCTL Include IP headers
self.ins.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
self.outs.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
# set TTL
self.ins.setsockopt(socket.IPPROTO_IP, socket.IP_TTL, ttl)
self.outs.setsockopt(socket.IPPROTO_IP, socket.IP_TTL, ttl)
# Bind on all ports
iface = resolve_iface(iface) or conf.iface
host = iface.ip if iface.ip else socket.gethostname()
self.ins.bind((host, 0))
self.ins.setblocking(False)
# Get as much data as possible: reduce what is cropped
if ipv6:
try: # Not all Windows versions
self.ins.setsockopt(socket.IPPROTO_IPV6,
socket.IPV6_RECVTCLASS, 1)
self.ins.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_HOPLIMIT,
1)
except (OSError, socket.error):
pass
else:
try: # Not Windows XP
self.ins.setsockopt(socket.IPPROTO_IP, socket.IP_RECVDSTADDR,
1)
except (OSError, socket.error):
pass
try: # Windows 10+ recent builds only
self.ins.setsockopt(socket.IPPROTO_IP, socket.IP_RECVTTL, 1)
except (OSError, socket.error):
pass
if promisc:
# IOCTL Receive all packets
self.ins.ioctl(socket.SIO_RCVALL, socket.RCVALL_ON)
def __init__(self, iface=None, proto=socket.IPPROTO_IP,
ttl=128, ipv6=False, promisc=True, **kwargs):
for kwarg in kwargs:
warning("Dropping unsupported option: %s" % kwarg)
af = socket.AF_INET6 if ipv6 else socket.AF_INET
self.proto = proto
if ipv6:
from scapy.arch import get_if_addr6
self.host_ip6 = get_if_addr6(conf.iface) or "::1"
if proto == socket.IPPROTO_IP:
# We'll restrict ourselves to UDP, as TCP isn't bindable
# on AF_INET6
self.proto = socket.IPPROTO_UDP
# On Windows, with promisc=False, you won't get much
self.ipv6 = ipv6
self.cls = IPv6 if ipv6 else IP
self.promisc = promisc
# Notes:
# - IPPROTO_RAW only works to send packets.
# - IPPROTO_IPV6 exists in MSDN docs, but using it will result in
# no packets being received. Same for its options (IPV6_HDRINCL...)
# However, using IPPROTO_IP with AF_INET6 will still receive
# the IPv6 packets
try:
self.ins = socket.socket(af,
socket.SOCK_RAW,
self.proto)
self.outs = socket.socket(af,
socket.SOCK_RAW,
socket.IPPROTO_RAW)
except OSError as e:
if e.errno == 10013:
raise OSError("Windows native L3 Raw sockets are only "
"usable as administrator ! "
"Install Winpcap/Npcap to workaround !")
raise
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 2**30)
# IOCTL Include IP headers
self.ins.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
self.outs.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
# set TTL
self.ins.setsockopt(socket.IPPROTO_IP, socket.IP_TTL, ttl)
self.outs.setsockopt(socket.IPPROTO_IP, socket.IP_TTL, ttl)
# Bind on all ports
host = iface.ip if iface else socket.gethostname()
self.ins.bind((host, 0))
self.ins.setblocking(False)
# Get as much data as possible: reduce what is cropped
if ipv6:
try: # Not all Windows versions
self.ins.setsockopt(socket.IPPROTO_IPV6,
socket.IPV6_RECVTCLASS, 1)
self.ins.setsockopt(socket.IPPROTO_IPV6,
socket.IPV6_HOPLIMIT, 1)
except (OSError, socket.error):
pass
else:
try: # Not Windows XP
self.ins.setsockopt(socket.IPPROTO_IP,
socket.IP_RECVDSTADDR, 1)
except (OSError, socket.error):
pass
try: # Windows 10+ recent builds only
self.ins.setsockopt(socket.IPPROTO_IP, socket.IP_RECVTTL, 1)
except (OSError, socket.error):
pass
if promisc:
# IOCTL Receive all packets
self.ins.ioctl(socket.SIO_RCVALL, socket.RCVALL_ON)