wifi-switcher

wifi.sh

#!/bin/sh
#
# Wifi switcher for N900 Copyright (C) 2010 by Tito Ragusa
#
# Wifi switicher is a tool to tenable/disable wifi on the Nokia N900
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# Please read the COPYING and README file!!!
#
# Report bugs to
#

print_msg()
{
run-standalone.sh dbus-send --print-reply \
--type=method_call --dest=org.freedesktop.Notifications \
/org/freedesktop/Notifications org.freedesktop.Notifications.SystemNoteDialog \
string:"$1" uint32:0 string:'$2'
}

if_failed_print_and_die()
{
if [ $? -ne "0" ] ; then
print_msg "CANNOT $action WLAN: $step FAILED" "KO"
exit 1
fi
}

out=`ifconfig wlan0`
if [ $? -eq "0" ] ; then
# wlan is up, if running disconnect, then remove module
action="DISABLE"
if [ `echo "$out" | grep -c RUNNING` -gt "0" ] ; then
run-standalone.sh dbus-send --system \
--dest=com.nokia.icd /com/nokia/icd_ui com.nokia.icd_ui.disconnect boolean:true
fi
# needed to reset ip-monitoring widgets
ifconfig wlan0 0.0.0.0
# down the interface to run hooks in /etc/network/if-*down.d, ignore error
# downing wmaster0 seems to better reset the hardware when it is stuck
# in some undefined state
#ifconfig wmaster0 down
# down the interface to run hooks in /etc/network/if-*down.d, ignore error
ifconfig wlan0 down
# remove the module
step="RMMOD"
rmmod wl12xx
if_failed_print_and_die
# no need to stop wlancond here as it would be respawned by upstart
print_msg "WLAN DISABLED" "OK"
exit 2
else
# wlan is not configured, reload modules
action="ENABLE"
step="MODPROBE"
modprobe wl12xx
if_failed_print_and_die
# Calibrate: do not remove this is needed even if 'start wlancond'
# triggers one more calibration later
step="CALIBRATION"
wl1251-cal
if_failed_print_and_die
# Restart wlancond properly
stop wlancond
start wlancond
# Up the interface, to run hooks in /etc/network/if*/
step="'IFCONFIG WLAN0 UP'"
ifconfig wlan0 up
if_failed_print_and_die
run-standalone.sh dbus-send --print-reply --system \
--dest=com.nokia.icd_ui /com/nokia/icd_ui com.nokia.icd_ui.show_conn_dlg boolean:false
exit 0
fi