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-rwxr-xr-xsrc/op_mode/show_wireless.py158
1 files changed, 158 insertions, 0 deletions
diff --git a/src/op_mode/show_wireless.py b/src/op_mode/show_wireless.py
new file mode 100755
index 000000000..aff882559
--- /dev/null
+++ b/src/op_mode/show_wireless.py
@@ -0,0 +1,158 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2019 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 argparse
+import re
+
+from sys import exit
+from copy import deepcopy
+from subprocess import Popen, PIPE, STDOUT
+
+from vyos.config import Config
+
+parser = argparse.ArgumentParser()
+parser.add_argument("-s", "--scan", help="Scan for Wireless APs on given interface, e.g. 'wlan0'")
+parser.add_argument("-b", "--brief", action="store_true", help="Show wireless configuration")
+parser.add_argument("-c", "--stations", help="Show wireless clients connected on interface, e.g. 'wlan0'")
+
+def _cmd(command):
+ p = Popen(command, stdout=PIPE, stderr=STDOUT, shell=True)
+ tmp = p.communicate()[0].strip()
+ return tmp.decode()
+
+def show_brief():
+ config = Config()
+ if len(config.list_effective_nodes('interfaces wireless')) == 0:
+ print("No Wireless interfaces configured")
+ exit(0)
+
+ interfaces = []
+ for intf in config.list_effective_nodes('interfaces wireless'):
+ config.set_level('interfaces wireless {}'.format(intf))
+ data = {
+ 'name': intf,
+ 'type': '',
+ 'ssid': '',
+ 'channel': ''
+ }
+ data['type'] = config.return_effective_value('type')
+ data['ssid'] = config.return_effective_value('ssid')
+ data['channel'] = config.return_effective_value('channel')
+
+ interfaces.append(data)
+
+ return interfaces
+
+def ssid_scan(intf):
+ tmp = _cmd('/sbin/iw dev {} scan ap-force'.format(intf))
+ 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 show_clients(intf):
+ tmp = _cmd('/sbin/iw dev {} station dump'.format(intf))
+ 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
+
+if __name__ == '__main__':
+ args = parser.parse_args()
+
+ if args.scan:
+ print("Address SSID Channel Signal (dbm)")
+ for network in ssid_scan(args.scan):
+ print("{:<17} {:<32} {:>3} {}".format(network['mac'],
+ network['ssid'],
+ network['channel'],
+ network['signal']))
+ exit(0)
+
+ elif args.brief:
+ print("Interface Type SSID Channel")
+ for intf in show_brief():
+ print("{:<9} {:<12} {:<32} {:>3}".format(intf['name'],
+ intf['type'],
+ intf['ssid'],
+ intf['channel']))
+ exit(0)
+
+ elif args.stations:
+ print("Station Signal RX: bytes packets TX: bytes packets")
+ for client in show_clients(args.stations):
+ print("{:<17} {:>3} {:>15} {:>9} {:>15} {:>10} ".format(client['mac'],
+ client['signal'], client['rx_bytes'], client['rx_packets'], client['tx_bytes'], client['tx_packets']))
+
+ exit(0)
+
+ else:
+ parser.print_help()
+ exit(1)