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authorMichael Biebl <biebl@debian.org>2013-02-03 14:49:22 +0100
committerMichael Biebl <biebl@debian.org>2013-02-03 14:49:22 +0100
commit9c202e3e860b3be9e1f8882630b69affbb130102 (patch)
tree8202bf39f2129486971fa7d5ae0dee61a561aa53 /examples/shell/active-wifi.sh
parent36cb2f364a821e1be50b23e03a18891ec55adb06 (diff)
Imported Upstream version 0.9.7.995 upstream/0.9.7.995
Diffstat (limited to 'examples/shell/active-wifi.sh')
-rwxr-xr-xexamples/shell/active-wifi.sh88
1 files changed, 88 insertions, 0 deletions
diff --git a/examples/shell/active-wifi.sh b/examples/shell/active-wifi.sh
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+#!/bin/sh
+# vim: ft=sh ts=2 sts=2 sw=2 et ai
+# -*- Mode: sh; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+#
+# 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 2 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, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Copyright (C) 2012 Red Hat, Inc.
+#
+
+#
+# This example prints SSIDs of connected Wi-Fi networks.
+# GetDevices() D-Bus call returns all devices. We go through them, find Wi-Fi
+# ones and ask for ActiveAccessPoint property. If the access point path is not
+# empty ("/"), we can read its properties, like SSID.
+#
+
+NM_SERVICE_NAME="org.freedesktop.NetworkManager"
+NM_OBJECT_PATH="/org/freedesktop/NetworkManager"
+DEVICE_IFACE="org.freedesktop.NetworkManager.Device"
+DEVICE_WIFI_IFACE="org.freedesktop.NetworkManager.Device.Wireless"
+ACCESS_POINT_IFACE="org.freedesktop.NetworkManager.AccessPoint"
+NM_GET_DEVICES="org.freedesktop.NetworkManager.GetDevices"
+DBUS_PROPERTIES_GET="org.freedesktop.DBus.Properties.Get"
+
+
+get_devices()
+{
+  dbus-send --system --print-reply --dest=$NM_SERVICE_NAME $NM_OBJECT_PATH $NM_GET_DEVICES | \
+    grep "object path" | cut -d '"' -f2
+}
+
+get_property()
+{
+  # first arg:  object path
+  # second arg: interface
+  # third arg:  property name
+  # returns:    property value
+
+  dbus-send --system --print-reply --dest=$NM_SERVICE_NAME "$1" $DBUS_PROPERTIES_GET string:"$2" string:"$3" | \
+    grep "variant" | awk -F '"' '{ if (NF == 1) {FS=" "; n=split($0,a); print a[n];} else print $(NF-1); }'
+}
+
+is_wifi_device()
+{
+  DEV_TYPE=`get_property $device $DEVICE_IFACE "DeviceType"`
+
+  if [ $DEV_TYPE -eq 2 ]; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+show_active_ssids()
+{
+  for device in `get_devices`
+  do
+    INTERFACE=`get_property $device $DEVICE_IFACE "Interface"`
+
+    if `is_wifi_device`; then
+      ACTIVE_AP=`get_property $device $DEVICE_WIFI_IFACE "ActiveAccessPoint"`
+      if [ "$ACTIVE_AP" != "/" ]; then
+        SSID=`get_property $ACTIVE_AP $ACCESS_POINT_IFACE "Ssid"`
+        BSSID=`get_property $ACTIVE_AP $ACCESS_POINT_IFACE "HwAddress"`
+        echo "Device '$INTERFACE' is connected to '$SSID' (BSSID=$BSSID)"
+      else
+        echo "No active AP on device '$INTERFACE'"
+      fi
+    fi
+  done
+}
+
+# --- main program ---
+# print currently connected SSID on all Wi-Fi devices
+show_active_ssids
+