def load_winpcapy():
"""This functions calls Winpcap/Npcap pcap_findalldevs function,
and extracts and parse all the data scapy will need to use it:
- the Interface List
- the IPv4 addresses
- the IPv6 addresses
This data is stored in their respective conf.cache_* subfields:
conf.cache_iflist
conf.cache_ipaddrs
conf.cache_in6_getifaddr
"""
err = create_string_buffer(PCAP_ERRBUF_SIZE)
devs = POINTER(pcap_if_t)()
if_list = []
ip_addresses = {}
ip6_addresses = []
if pcap_findalldevs(byref(devs), err) < 0:
return
try:
p = devs
# Iterate through the different interfaces
while p:
if_list.append(plain_str(p.contents.name))
a = p.contents.addresses
while a:
# IPv4 address
if a.contents.addr.contents.sa_family == socket.AF_INET: # noqa: E501
ap = a.contents.addr
val = cast(ap, POINTER(sockaddr_in))
if_raw_addr = b"".join(
chb(x) for x in
val.contents.sin_addr[:4]) # noqa: E501
if if_raw_addr != b'\x00\x00\x00\x00':
ip_addresses[plain_str(
p.contents.name
)] = if_raw_addr # noqa: E501
# IPv6 address
if a.contents.addr.contents.sa_family == socket.AF_INET6: # noqa: E501
ap = a.contents.addr
val = cast(ap, POINTER(sockaddr_in6))
addr = inet_ntop(socket.AF_INET6, b"".join(
chb(x) for x in
val.contents.sin6_addr[:])) # noqa: E501
scope = scapy.utils6.in6_getscope(addr)
ip6_addresses.append(
(addr, scope,
plain_str(p.contents.name))) # noqa: E501
a = a.contents.next
p = p.contents.next
conf.cache_iflist = if_list
conf.cache_ipaddrs = ip_addresses
conf.cache_in6_getifaddr = ip6_addresses
except Exception:
raise
finally:
pcap_freealldevs(devs)
def load_winpcapy():
"""This functions calls libpcap ``pcap_findalldevs`` function,
and extracts and parse all the data scapy will need
to build the Interface List.
The date will be stored in ``conf.cache_iflist``, or accessible
with ``get_if_list()``
"""
err = create_string_buffer(PCAP_ERRBUF_SIZE)
devs = POINTER(pcap_if_t)()
if_list = {}
if pcap_findalldevs(byref(devs), err) < 0:
return
try:
p = devs
# Iterate through the different interfaces
while p:
name = plain_str(p.contents.name) # GUID
description = plain_str(p.contents.description) # NAME
flags = p.contents.flags # FLAGS
ips = []
a = p.contents.addresses
while a:
# IPv4 address
family = a.contents.addr.contents.sa_family
ap = a.contents.addr
if family == socket.AF_INET:
val = cast(ap, POINTER(sockaddr_in))
val = val.contents.sin_addr[:]
elif family == socket.AF_INET6:
val = cast(ap, POINTER(sockaddr_in6))
val = val.contents.sin6_addr[:]
else:
# Unknown address family
# (AF_LINK isn't a thing on Windows)
a = a.contents.next
continue
addr = inet_ntop(family, bytes(bytearray(val)))
if addr != "0.0.0.0":
ips.append(addr)
a = a.contents.next
if_list[name] = (description, ips, flags)
p = p.contents.next
conf.cache_iflist = if_list
except Exception:
raise
finally:
pcap_freealldevs(devs)
def load_winpcapy():
"""This functions calls Winpcap/Npcap pcap_findalldevs function,
and extracts and parse all the data scapy will need to use it:
- the Interface List
This data is stored in their respective conf.cache_* subfields:
conf.cache_iflist
"""
err = create_string_buffer(PCAP_ERRBUF_SIZE)
devs = POINTER(pcap_if_t)()
if_list = {}
if pcap_findalldevs(byref(devs), err) < 0:
return
try:
p = devs
# Iterate through the different interfaces
while p:
name = plain_str(p.contents.name) # GUID
description = plain_str(p.contents.description) # NAME
ips = []
a = p.contents.addresses
while a:
# IPv4 address
family = a.contents.addr.contents.sa_family
ap = a.contents.addr
if family == socket.AF_INET:
val = cast(ap, POINTER(sockaddr_in))
val = val.contents.sin_addr[:]
elif family == socket.AF_INET6:
val = cast(ap, POINTER(sockaddr_in6))
val = val.contents.sin6_addr[:]
else:
# Unknown address family
# (AF_LINK isn't a thing on Windows)
a = a.contents.next
continue
addr = inet_ntop(family, bytes(bytearray(val)))
if addr != "0.0.0.0":
ips.append(addr)
a = a.contents.next
if_list[description] = (name, ips)
p = p.contents.next
conf.cache_iflist = if_list
except Exception:
raise
finally:
pcap_freealldevs(devs)
def load_winpcapy():
"""This functions calls Winpcap/Npcap pcap_findalldevs function,
and extracts and parse all the data scapy will need to use it:
- the Interface List
This data is stored in their respective conf.cache_* subfields:
conf.cache_iflist
"""
err = create_string_buffer(PCAP_ERRBUF_SIZE)
devs = POINTER(pcap_if_t)()
if_list = {}
if pcap_findalldevs(byref(devs), err) < 0:
return
try:
p = devs
# Iterate through the different interfaces
while p:
name = plain_str(p.contents.name) # GUID
description = plain_str(p.contents.description) # NAME
ips = []
a = p.contents.addresses
while a:
# IPv4 address
family = a.contents.addr.contents.sa_family
ap = a.contents.addr
if family == socket.AF_INET:
val = cast(ap, POINTER(sockaddr_in))
val = val.contents.sin_addr[:]
elif family == socket.AF_INET6:
val = cast(ap, POINTER(sockaddr_in6))
val = val.contents.sin6_addr[:]
else:
# Unknown address family
# (AF_LINK isn't a thing on Windows)
a = a.contents.next
continue
addr = inet_ntop(family, bytes(bytearray(val)))
if addr != "0.0.0.0":
ips.append(addr)
a = a.contents.next
if_list[description] = (name, ips)
p = p.contents.next
conf.cache_iflist = if_list
except Exception:
raise
finally:
pcap_freealldevs(devs)
def load_winpcapy():
err = create_string_buffer(PCAP_ERRBUF_SIZE)
devs = POINTER(pcap_if_t)()
if_list = []
ip_addresses = {}
ip6_addresses = []
if pcap_findalldevs(byref(devs), err) < 0:
return
try:
p = devs
# Iterate through the different interfaces
while p:
if_list.append(plain_str(p.contents.name))
a = p.contents.addresses
while a:
# IPv4 address
if a.contents.addr.contents.sa_family == socket.AF_INET: # noqa: E501
ap = a.contents.addr
val = cast(ap, POINTER(sockaddr_in))
if_raw_addr = b"".join(chb(x) for x in val.contents.sin_addr[:4]) # noqa: E501
if if_raw_addr != b'\x00\x00\x00\x00':
ip_addresses[plain_str(p.contents.name)] = if_raw_addr # noqa: E501
# IPv6 address
if a.contents.addr.contents.sa_family == socket.AF_INET6: # noqa: E501
ap = a.contents.addr
val = cast(ap, POINTER(sockaddr_in6))
addr = inet_ntop(socket.AF_INET6, b"".join(chb(x) for x in val.contents.sin6_addr[:])) # noqa: E501
scope = scapy.utils6.in6_getscope(addr)
ip6_addresses.append((addr, scope, plain_str(p.contents.name))) # noqa: E501
a = a.contents.next
p = p.contents.next
conf.cache_iflist = if_list
conf.cache_ipaddrs = ip_addresses
conf.cache_in6_getifaddr = ip6_addresses
except Exception:
raise
finally:
pcap_freealldevs(devs)
