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Merge pull request #2083 from a60814billy/fix/binding-on-wrong-interface-in-windows

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fix: binding to wrong interface in windows
This commit is contained in:
Jeremy Grossmann 2022-09-28 17:36:31 +02:00 committed by GitHub
commit 0419c081fe
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1 changed files with 21 additions and 12 deletions
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33
gns3server/compute/base_node.py
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@ -778,18 +778,8 @@ class BaseNode:
# on Linux we use RAW sockets by default excepting if host traffic must be blocked
await self._ubridge_send('bridge add_nio_linux_raw {name} "{interface}"'.format(name=bridge_name, interface=ethernet_interface))
elif sys.platform.startswith("win"):
# on Windows we use Winpcap/Npcap
windows_interfaces = interfaces()
npf_id = None
source_mac = None
for interface in windows_interfaces:
# Winpcap/Npcap uses a NPF ID to identify an interface on Windows
if "netcard" in interface and ethernet_interface in interface["netcard"]:
npf_id = interface["id"]
source_mac = interface["mac_address"]
elif ethernet_interface in interface["name"]:
npf_id = interface["id"]
source_mac = interface["mac_address"]
npf_id, source_mac = self._find_windows_interface(ethernet_interface)
if npf_id:
await self._ubridge_send('bridge add_nio_ethernet {name} "{interface}"'.format(name=bridge_name,
interface=npf_id))
@ -813,6 +803,25 @@ class BaseNode:
await self._ubridge_send('bridge set_pcap_filter {name} "not ether src {mac}"'.format(name=bridge_name, mac=source_mac))
log.info('PCAP filter applied on "{interface}" for source MAC {mac}'.format(interface=ethernet_interface, mac=source_mac))
@staticmethod
def _find_windows_interface(ethernet_interface):
"""
Get NPF ID and MAC address by input ethernet interface name.
Return None, None when not match any interface
:returns: NPF ID and MAC address
"""
# on Windows we use Winpcap/Npcap
windows_interfaces = interfaces()
for interface in windows_interfaces:
if str.strip(ethernet_interface) == str.strip(interface["name"]):
return interface["id"], interface["mac_address"]
for interface in windows_interfaces:
if "netcard" in interface and ethernet_interface in interface["netcard"]:
return interface["id"], interface["mac_address"]
return None, None
def _create_local_udp_tunnel(self):
"""
Creates a local UDP tunnel (pair of 2 NIOs, one for each direction)