def _read_routes_c_v1():
"""Retrieve Windows routes through a GetIpForwardTable call.
This is compatible with XP but won't get IPv6 routes."""
def _extract_ip(obj):
return inet_ntop(socket.AF_INET, struct.pack("<I", obj))
routes = []
for route in GetIpForwardTable():
ifIndex = route['ForwardIfIndex']
dest = route['ForwardDest']
netmask = route['ForwardMask']
nexthop = _extract_ip(route['ForwardNextHop'])
metric = route['ForwardMetric1']
# Build route
try:
iface = dev_from_index(ifIndex)
if not iface.ip or iface.ip == "0.0.0.0":
continue
except ValueError:
continue
ip = iface.ip
netw = network_name(iface)
# RouteMetric + InterfaceMetric
metric = metric + iface.ipv4_metric
routes.append((dest, netmask, nexthop, netw, ip, metric))
return routes
def _read_routes_c(ipv6=False):
"""Retrieve Windows routes through a GetIpForwardTable2 call.
This is not available on Windows XP !"""
af = socket.AF_INET6 if ipv6 else socket.AF_INET
sock_addr_name = 'Ipv6' if ipv6 else 'Ipv4'
sin_addr_name = 'sin6_addr' if ipv6 else 'sin_addr'
metric_name = 'ipv6_metric' if ipv6 else 'ipv4_metric'
if ipv6:
lifaddr = in6_getifaddr()
routes = []
def _extract_ip(obj):
ip = obj[sock_addr_name][sin_addr_name]
ip = bytes(bytearray(ip['byte']))
# Build IP
ip = inet_ntop(af, ip)
return ip
for route in GetIpForwardTable2(af):
# Extract data
ifIndex = route['InterfaceIndex']
dest = _extract_ip(route['DestinationPrefix']['Prefix'])
netmask = route['DestinationPrefix']['PrefixLength']
nexthop = _extract_ip(route['NextHop'])
metric = route['Metric']
# Build route
try:
iface = dev_from_index(ifIndex)
if not iface.ip or iface.ip == "0.0.0.0":
continue
except ValueError:
continue
ip = iface.ip
netw = network_name(iface)
# RouteMetric + InterfaceMetric
metric = metric + getattr(iface, metric_name)
if ipv6:
_append_route6(routes, dest, netmask, nexthop, netw, lifaddr,
metric)
else:
routes.append(
(atol(dest), itom(int(netmask)), nexthop, netw, ip, metric))
return routes