def load(self):
from scapy.fields import FlagValue
data = {}
ips = in6_getifaddr()
for i in _get_if_list():
ifflags = struct.unpack("16xH14x", get_if(i, SIOCGIFFLAGS))[0]
index = get_if_index(i)
mac = scapy.utils.str2mac(
get_if_raw_hwaddr(i, siocgifhwaddr=SIOCGIFHWADDR)[1]
)
ip = inet_ntop(socket.AF_INET, get_if_raw_addr(i))
if ip == "0.0.0.0":
ip = None
ifflags = FlagValue(ifflags, _iff_flags)
if_data = {
"name": i,
"network_name": i,
"description": i,
"flags": ifflags,
"index": index,
"ip": ip,
"ips": [x[0] for x in ips if x[2] == i] + [ip] if ip else [],
"mac": mac
}
data[i] = NetworkInterface(self, if_data)
return data
def get_working_if():
for i in get_if_list():
if i == LOOPBACK_NAME:
continue
ifflags = struct.unpack("16xH14x", get_if(i, SIOCGIFFLAGS))[0]
if ifflags & IFF_UP:
return i
return LOOPBACK_NAME
def get_working_if():
for i in get_if_list():
if i == LOOPBACK_NAME:
continue
ifflags = struct.unpack("16xH14x", get_if(i, SIOCGIFFLAGS))[0]
if ifflags & IFF_UP:
return i
return LOOPBACK_NAME
def get_if_raw_addr(iff):
r"""
Return the raw IPv4 address of an interface.
If unavailable, returns b"\0\0\0\0"
"""
try:
return get_if(iff, SIOCGIFADDR)[20:24]
except IOError:
return b"\0\0\0\0"
def get_if_raw_addr(iff):
# type: (Union[NetworkInterface, str]) -> bytes
r"""
Return the raw IPv4 address of an interface.
If unavailable, returns b"\0\0\0\0"
"""
try:
return get_if(iff, SIOCGIFADDR)[20:24]
except IOError:
return b"\0\0\0\0"
def get_working_if():
"""
Return the name of the first network interfcace that is up.
"""
for i in get_if_list():
if i == LOOPBACK_NAME:
continue
ifflags = struct.unpack("16xH14x", get_if(i, SIOCGIFFLAGS))[0]
if ifflags & IFF_UP:
return i
return LOOPBACK_NAME
def _get_if_flags(ifname):
"""Internal function to get interface flags"""
# Get interface flags
try:
result = get_if(ifname, SIOCGIFFLAGS)
except IOError:
warning("ioctl(SIOCGIFFLAGS) failed on %s !", ifname)
return None
# Convert flags
ifflags = struct.unpack("16xH14x", result)[0]
return ifflags
def get_working_ifaces():
"""
Returns an ordered list of interfaces that could be used with BPF.
Note: the order mimics pcap_findalldevs() behavior
"""
# Only root is allowed to perform the following ioctl() call
if os.getuid() != 0:
return []
# Test all network interfaces
interfaces = []
for ifname in get_if_list():
# Unlike pcap_findalldevs(), we do not care of loopback interfaces.
if ifname == conf.loopback_name:
continue
# Get interface flags
try:
result = get_if(ifname, SIOCGIFFLAGS)
except IOError:
warning("ioctl(SIOCGIFFLAGS) failed on %s !", ifname)
continue
# Convert flags
ifflags = struct.unpack("16xH14x", result)[0]
if ifflags & 0x1: # IFF_UP
# Get a BPF handle
fd = get_dev_bpf()[0]
if fd is None:
raise Scapy_Exception("No /dev/bpf are available !")
# Check if the interface can be used
try:
fcntl.ioctl(fd, BIOCSETIF,
struct.pack("16s16x", ifname.encode()))
except IOError:
pass
else:
ifnum, ifab = _IFNUM.search(ifname).groups()
interfaces.append((ifname, int(ifnum) if ifnum else -1, ifab))
finally:
# Close the file descriptor
os.close(fd)
# Sort to mimic pcap_findalldevs() order
interfaces.sort(key=lambda elt: (elt[1], elt[2], elt[0]))
return [iface[0] for iface in interfaces]
def get_working_ifaces():
"""
Returns an ordered list of interfaces that could be used with BPF.
Note: the order mimics pcap_findalldevs() behavior
"""
# Only root is allowed to perform the following ioctl() call
if os.getuid() != 0:
return []
# Test all network interfaces
interfaces = []
for ifname in get_if_list():
# Unlike pcap_findalldevs(), we do not care of loopback interfaces.
if ifname == LOOPBACK_NAME:
continue
# Get interface flags
try:
result = get_if(ifname, SIOCGIFFLAGS)
except IOError as msg:
warning("ioctl(SIOCGIFFLAGS) failed on %s !", ifname)
continue
# Convert flags
ifflags = struct.unpack("16xH14x", result)[0]
if ifflags & 0x1: # IFF_UP
# Get a BPF handle
fd, _ = get_dev_bpf()
if fd is None:
raise Scapy_Exception("No /dev/bpf are available !")
# Check if the interface can be used
try:
fcntl.ioctl(fd, BIOCSETIF,
struct.pack("16s16x", ifname.encode()))
interfaces.append((ifname, int(ifname[-1])))
except IOError as err:
pass
# Close the file descriptor
os.close(fd)
# Sort to mimic pcap_findalldevs() order
interfaces.sort(
lambda ifname_left_and_ifid_left, ifname_right_and_ifid_right:
ifname_left_and_ifid_left[1] - ifname_right_and_ifid_right[1])
return interfaces
def get_working_ifaces():
"""
Returns an ordered list of interfaces that could be used with BPF.
Note: the order mimics pcap_findalldevs() behavior
"""
# Only root is allowed to perform the following ioctl() call
if os.getuid() != 0:
return []
# Test all network interfaces
interfaces = []
for ifname in get_if_list():
# Unlike pcap_findalldevs(), we do not care of loopback interfaces.
if ifname == LOOPBACK_NAME:
continue
# Get interface flags
try:
result = get_if(ifname, SIOCGIFFLAGS)
except IOError:
warning("ioctl(SIOCGIFFLAGS) failed on %s !", ifname)
continue
# Convert flags
ifflags = struct.unpack("16xH14x", result)[0]
if ifflags & 0x1: # IFF_UP
# Get a BPF handle
fd, _ = get_dev_bpf()
if fd is None:
raise Scapy_Exception("No /dev/bpf are available !")
# Check if the interface can be used
try:
fcntl.ioctl(fd, BIOCSETIF, struct.pack("16s16x", ifname.encode())) # noqa: E501
interfaces.append((ifname, int(ifname[-1])))
except IOError:
pass
# Close the file descriptor
os.close(fd)
# Sort to mimic pcap_findalldevs() order
interfaces.sort(key=lambda elt: elt[1])
return interfaces
def get_if_index(iff):
return int(struct.unpack("I", get_if(iff, SIOCGIFINDEX)[16:20])[0])
def get_if_index(iff):
return int(struct.unpack("I", get_if(iff, SIOCGIFINDEX)[16:20])[0])
def get_if_index(iff):
# type: (Union[NetworkInterface, str]) -> int
return int(struct.unpack("I", get_if(iff, SIOCGIFINDEX)[16:20])[0])
def get_if_raw_addr(iff):
try:
return get_if(iff, SIOCGIFADDR)[20:24]
except IOError:
return "\0\0\0\0"
def get_if_raw_hwaddr(iff):
return struct.unpack("16xh6s8x", get_if(iff, SIOCGIFHWADDR))
def get_if_raw_hwaddr(iff):
return struct.unpack("16xh6s8x", get_if(iff, SIOCGIFHWADDR))
def get_if_raw_addr(iff):
try:
return get_if(iff, SIOCGIFADDR)[20:24]
except IOError:
return b"\0\0\0\0"
