def get_ipv6_link_local(iface):
lla = [
l[0] for l in sca.in6_getifaddr()
if l[2] == iface and l[0].startswith("fe80")
]
if len(lla) > 0:
return lla[0]
def iface(ctx, interface):
"""
Monitor a specific network interface
"""
# See scapy.arch.linux.in6_getifaddr:
# Returns a list of 3-tuples of the form (addr, scope, iface) where
# 'addr' is the address of scope 'scope' associated to the interface
# 'ifcace'.
interfaces = [x[-1] for x in in6_getifaddr()]
if interface not in interfaces:
# No exception to catch!
# SniffSource will fail silently if interface doesn't exist.
import sys
click.echo('Interface "{}" not found.'.format(interface))
click.echo('Peekapp found the following:\n\t{}'.format(
'\n\t'.join(interfaces)))
sys.exit(1)
source = main(blacklist=ctx.obj['blacklist'],
logfile=ctx.obj['logfile'],
alert_timeout=ctx.obj['alert_timeout'],
port_scan=ctx.obj['port_scan'])
try:
# For some reason, click calls this function a second time...
# ...but with interface as <type 'unicode'>...
# ...which breaks struct.pack("16s16x", iff) in scapy/arch/common.py
sniff(iface=str(interface), prn=source.push)
except KeyboardInterrupt:
click.echo('\n\tHalting on keyboard interrupt.')
def get_if_addr6(intf, address_type):
"""Returns the Ipv6 address from a given local interface.
Returns the desired IPv6 address from the interface 'intf' in human
readable form. The address type is indicated by the IPv6 constants like
IPV6_ADDR_LINKLOCAL, IPV6_ADDR_GLOBAL, etc. If no address is found,
None is returned.
Args:
intf: desired interface name
address_type: addrees typle like LINKLOCAL or GLOBAL
Returns:
Ipv6 address of the specified interface in human readable format
"""
for if_list in scapy.in6_getifaddr():
if if_list[2] == intf and if_list[1] == address_type:
return if_list[0]
return None
def reload(self):
"""Reload tables from current state"""
self.ifhwaddr = get_if_hwaddr(self.iface)
lladdresses = [
addr for addr, scope, iface in in6_getifaddr()
if scope == IPV6_ADDR_LINKLOCAL and iface == self.iface
]
if len(lladdresses) != 1:
raise Exception("Unable to find link-local address of {0}".format(
self.iface))
self.llip6addr = lladdresses[0]
self.clear()
for _, ip, hw in ipcmd.list_neigh(iface=self.iface):
self[ip] = hw
self.proxies = set()
for _, ip in ipcmd.list_neigh_proxy(iface=self.iface):
self.proxies.add(ip)
self.host_routes = set()
for _, ip in ipcmd.list_host_routes(iface=self.iface):
self.host_routes.add(ip)