mirror of
https://github.com/GNS3/gns3-server
synced 2024-11-25 01:38:08 +00:00
139 lines
5.0 KiB
Python
139 lines
5.0 KiB
Python
#!/usr/bin/env python
|
|
#
|
|
# Copyright (C) 2016 GNS3 Technologies Inc.
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import sys
|
|
import os
|
|
import argparse
|
|
import shutil
|
|
import ipaddress
|
|
|
|
if sys.platform.startswith("win"):
|
|
import wmi
|
|
else:
|
|
raise SystemExit("This script must run on Windows!")
|
|
|
|
|
|
def parse_add_loopback():
|
|
"""
|
|
Validate params when adding a loopback adapter
|
|
"""
|
|
|
|
class Add(argparse.Action):
|
|
def __call__(self, parser, args, values, option_string=None):
|
|
try:
|
|
ipaddress.IPv4Interface(f"{values[1]}/{values[2]}")
|
|
except ipaddress.AddressValueError as e:
|
|
raise argparse.ArgumentTypeError(f"Invalid IP address: {e}")
|
|
except ipaddress.NetmaskValueError as e:
|
|
raise argparse.ArgumentTypeError(f"Invalid subnet mask: {e}")
|
|
setattr(args, self.dest, values)
|
|
|
|
return Add
|
|
|
|
|
|
def add_loopback(devcon_path, name, ip_address, netmask):
|
|
|
|
# save the list of network adapter in order to find the one we are about to add
|
|
previous_adapters = wmi.WMI().Win32_NetworkAdapter()
|
|
for adapter in previous_adapters:
|
|
if "Loopback" in adapter.Description and adapter.NetConnectionID == name:
|
|
raise SystemExit(f'Windows loopback adapter named "{name}" already exists')
|
|
|
|
# install a new Windows loopback adapter
|
|
os.system('"{}" install {}\\inf\\netloop.inf *MSLOOP'.format(devcon_path, os.path.expandvars("%WINDIR%")))
|
|
|
|
# configure the new Windows loopback adapter
|
|
for adapter in wmi.WMI().Win32_NetworkAdapter():
|
|
if "Loopback" in adapter.Description and adapter not in previous_adapters:
|
|
print(f'Renaming loopback adapter "{adapter.NetConnectionID}" to "{name}"')
|
|
adapter.NetConnectionID = name
|
|
for network_config in wmi.WMI().Win32_NetworkAdapterConfiguration(IPEnabled=True):
|
|
if network_config.InterfaceIndex == adapter.InterfaceIndex:
|
|
print(f'Configuring loopback adapter "{name}" with {ip_address} {netmask}')
|
|
retcode = network_config.EnableStatic(IPAddress=[ip_address], SubnetMask=[netmask])[0]
|
|
if retcode == 1:
|
|
print("A reboot is required")
|
|
elif retcode != 0:
|
|
print('Error while configuring IP/Subnet mask on "{}"')
|
|
|
|
# FIXME: support gateway?
|
|
# network_config.SetGateways(DefaultIPGateway=[""])
|
|
break
|
|
|
|
# restart winpcap/npcap services to take the new adapter into account
|
|
os.system("net stop npf")
|
|
os.system("net start npf")
|
|
os.system("net stop npcap")
|
|
os.system("net start npcap")
|
|
|
|
|
|
def remove_loopback(devcon_path, name):
|
|
|
|
deleted = False
|
|
for adapter in wmi.WMI().Win32_NetworkAdapter():
|
|
if "Loopback" in adapter.Description and adapter.NetConnectionID == name:
|
|
# remove a Windows loopback adapter
|
|
print(f'Removing loopback adapter "{name}"')
|
|
os.system(f'"{devcon_path}" remove @{adapter.PNPDeviceID}')
|
|
deleted = True
|
|
|
|
if not deleted:
|
|
raise SystemExit(f'Could not find adapter "{name}"')
|
|
|
|
# update winpcap/npcap services
|
|
os.system("net stop npf")
|
|
os.system("net start npf")
|
|
os.system("net stop npcap")
|
|
os.system("net start npcap")
|
|
|
|
|
|
def main():
|
|
"""
|
|
Entry point for the Windows loopback tool.
|
|
"""
|
|
|
|
parser = argparse.ArgumentParser(description="%(prog)s add/remove Windows loopback adapters")
|
|
parser.add_argument("-a", "--add", nargs=3, action=parse_add_loopback(), help="add a Windows loopback adapter")
|
|
parser.add_argument("-r", "--remove", action="store", help="remove a Windows loopback adapter")
|
|
try:
|
|
args = parser.parse_args()
|
|
except argparse.ArgumentTypeError as e:
|
|
raise SystemExit(e)
|
|
|
|
# devcon is required to install/remove Windows loopback adapters
|
|
devcon_path = shutil.which("devcon")
|
|
if not devcon_path:
|
|
raise SystemExit("Could not find devcon.exe")
|
|
|
|
from win32com.shell import shell
|
|
|
|
if not shell.IsUserAnAdmin():
|
|
raise SystemExit("You must run this script as an administrator")
|
|
|
|
try:
|
|
if args.add:
|
|
add_loopback(devcon_path, args.add[0], args.add[1], args.add[2])
|
|
if args.remove:
|
|
remove_loopback(devcon_path, args.remove)
|
|
except SystemExit as e:
|
|
print(e)
|
|
os.system("pause")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|