diff options
Diffstat (limited to 'src/op_mode/interfaces_wireless.py')
| -rwxr-xr-x | src/op_mode/interfaces_wireless.py | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/op_mode/interfaces_wireless.py b/src/op_mode/interfaces_wireless.py new file mode 100755 index 000000000..dfe50e2cb --- /dev/null +++ b/src/op_mode/interfaces_wireless.py @@ -0,0 +1,186 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2023 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# 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 re +import sys +import typing +import vyos.opmode + +from copy import deepcopy +from tabulate import tabulate +from vyos.utils.process import popen +from vyos.configquery import ConfigTreeQuery + +def _verify(func): + """Decorator checks if Wireless LAN config exists""" + from functools import wraps + + @wraps(func) + def _wrapper(*args, **kwargs): + config = ConfigTreeQuery() + if not config.exists(['interfaces', 'wireless']): + raise vyos.opmode.UnconfiguredSubsystem(unconf_message) + return func(*args, **kwargs) + return _wrapper + +def _get_raw_info_data(): + output_data = [] + + config = ConfigTreeQuery() + raw = config.get_config_dict(['interfaces', 'wireless'], effective=True, + get_first_key=True, key_mangling=('-', '_')) + for interface, interface_config in raw.items(): + tmp = {'name' : interface} + + if 'type' in interface_config: + tmp.update({'type' : interface_config['type']}) + else: + tmp.update({'type' : '-'}) + + if 'ssid' in interface_config: + tmp.update({'ssid' : interface_config['ssid']}) + else: + tmp.update({'ssid' : '-'}) + + if 'channel' in interface_config: + tmp.update({'channel' : interface_config['channel']}) + else: + tmp.update({'channel' : '-'}) + + output_data.append(tmp) + + return output_data + +def _get_formatted_info_output(raw_data): + output=[] + for ssid in raw_data: + output.append([ssid['name'], ssid['type'], ssid['ssid'], ssid['channel']]) + + headers = ["Interface", "Type", "SSID", "Channel"] + print(tabulate(output, headers, numalign="left")) + +def _get_raw_scan_data(intf_name): + # XXX: This ignores errors + tmp, _ = popen(f'iw dev {intf_name} scan ap-force') + networks = [] + data = { + 'ssid': '', + 'mac': '', + 'channel': '', + 'signal': '' + } + re_mac = re.compile(r'([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})') + for line in tmp.splitlines(): + if line.startswith('BSS '): + ssid = deepcopy(data) + ssid['mac'] = re.search(re_mac, line).group() + + elif line.lstrip().startswith('SSID: '): + # SSID can be " SSID: WLAN-57 6405", thus strip all leading whitespaces + ssid['ssid'] = line.lstrip().split(':')[-1].lstrip() + + elif line.lstrip().startswith('signal: '): + # Siganl can be " signal: -67.00 dBm", thus strip all leading whitespaces + ssid['signal'] = line.lstrip().split(':')[-1].split()[0] + + elif line.lstrip().startswith('DS Parameter set: channel'): + # Channel can be " DS Parameter set: channel 6" , thus + # strip all leading whitespaces + ssid['channel'] = line.lstrip().split(':')[-1].split()[-1] + networks.append(ssid) + continue + + return networks + +def _format_scan_data(raw_data): + output=[] + for ssid in raw_data: + output.append([ssid['mac'], ssid['ssid'], ssid['channel'], ssid['signal']]) + headers = ["Address", "SSID", "Channel", "Signal (dbm)"] + return tabulate(output, headers, numalign="left") + +def _get_raw_station_data(intf_name): + # XXX: This ignores errors + tmp, _ = popen(f'iw dev {intf_name} station dump') + clients = [] + data = { + 'mac': '', + 'signal': '', + 'rx_bytes': '', + 'rx_packets': '', + 'tx_bytes': '', + 'tx_packets': '' + } + re_mac = re.compile(r'([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})') + for line in tmp.splitlines(): + if line.startswith('Station'): + client = deepcopy(data) + client['mac'] = re.search(re_mac, line).group() + + elif line.lstrip().startswith('signal avg:'): + client['signal'] = line.lstrip().split(':')[-1].lstrip().split()[0] + + elif line.lstrip().startswith('rx bytes:'): + client['rx_bytes'] = line.lstrip().split(':')[-1].lstrip() + + elif line.lstrip().startswith('rx packets:'): + client['rx_packets'] = line.lstrip().split(':')[-1].lstrip() + + elif line.lstrip().startswith('tx bytes:'): + client['tx_bytes'] = line.lstrip().split(':')[-1].lstrip() + + elif line.lstrip().startswith('tx packets:'): + client['tx_packets'] = line.lstrip().split(':')[-1].lstrip() + clients.append(client) + continue + + return clients + +def _format_station_data(raw_data): + output=[] + for ssid in raw_data: + output.append([ssid['mac'], ssid['signal'], ssid['rx_bytes'], ssid['rx_packets'], ssid['tx_bytes'], ssid['tx_packets']]) + headers = ["Station", "Signal", "RX bytes", "RX packets", "TX bytes", "TX packets"] + return tabulate(output, headers, numalign="left") + +@_verify +def show_info(raw: bool): + info_data = _get_raw_info_data() + if raw: + return info_data + return _get_formatted_info_output(info_data) + +def show_scan(raw: bool, intf_name: str): + data = _get_raw_scan_data(intf_name) + if raw: + return data + return _format_scan_data(data) + +@_verify +def show_stations(raw: bool, intf_name: str): + data = _get_raw_station_data(intf_name) + if raw: + return data + return _format_station_data(data) + +if __name__ == '__main__': + try: + res = vyos.opmode.run(sys.modules[__name__]) + if res: + print(res) + except (ValueError, vyos.opmode.Error) as e: + print(e) + sys.exit(1) |