| #!/usr/bin/python3 |
| |
| # Copyright (C) 2020 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http:#www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import fcntl |
| import struct |
| import sys |
| |
| TUNSETIFF = 0x400454ca |
| IFF_TAP = 0x0002 |
| IFF_NO_PI = 0x1000 |
| IFF_VNET_HDR = 0x4000 |
| |
| tun_fd = int(sys.argv[1]) |
| tap_name = sys.argv[2] |
| |
| ifr = struct.pack('16sH', tap_name.encode('utf-8'), IFF_TAP | IFF_NO_PI | IFF_VNET_HDR) |
| fcntl.ioctl(tun_fd, TUNSETIFF, ifr) |
