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# Paul Sladen, 2006-03-28, 2007-03-26
# Luca Niccoli <lultimouomo@gmail.com>, 2010-06-23
# Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn@axis.com>, 2010-12-14
# Library functions to check/change status of wireless
# Setup WLAN_RFKILLS list
WLAN_RFKILLS=
for r in /sys/class/rfkill/rfkill*; do
! read t <$r/type || [ "$t" != wlan ] ||
WLAN_RFKILLS=${WLAN_RFKILLS:+$WLAN_RFKILLS }$r/state
done
haveDevRfkill() {
[ -c /dev/rfkill ] && [ -x /usr/sbin/rfkill ]
}
isAnyWirelessPoweredOn() {
local RFKILL s
if haveDevRfkill; then
rfkill list wlan |
egrep -q "Soft[[:blank:]]+blocked:[[:blank:]]+no"
return $?
else
for RFKILL in $WLAN_RFKILLS ; do
[ ! -r "$RFKILL" ] || ! read s <$RFKILL ||
[ "$s" -ne 1 ] || return 0
done
fi
# otherwise return failure
return 1
}
# Takes no parameters, toggles all wireless devices.
toggleAllWirelessStates() {
local WIFACE RFKILL get_wifaces zzz=0 max_zzz=7
local wicd_connect=/usr/share/wicd/daemon/autoconnect.py
if [ -x /usr/sbin/iw ]; then
get_wifaces='iw dev | sed -rne "s|^[[:blank:]]+Interface[[:blank:]]+([[:alnum:]]+).*$|\1|p"'
elif [ -x /sbin/iwconfig ]; then
get_wifaces='iwconfig 2>/dev/null | grep -o "^[[:alnum:]]*"'
else
logger -t${0##*/} -perr -- \
toggleAllWirelessStates: no way to pick up interfaces
exit 1
fi
if [ -x /sbin/ip ]; then
if_cmd="ip link set dev"
elif [ -x /sbin/ifconfig ]; then
if_cmd=ifconfig
else
logger -t${0##*/} -perr -- \
toggleAllWirelessStates: no way to up/down interfaces
exit 1
fi
# If rfkill is handled by the kernel, don't touch it
if ! grep -q '^H.*\brfkill\b' /proc/bus/input/devices; then
if isAnyWirelessPoweredOn; then
# 'down'ing wireless interfaces, helps with some
# buggy drivers
for WIFACE in $(eval $get_wifaces); do
$if_cmd $WIFACE down 2>/dev/null || :
done
if haveDevRfkill; then
rfkill block wlan
else
for RFKILL in $WLAN_RFKILLS; do
[ ! -w $RFKILL ] || echo 0 >$RFKILL
done
fi
else
if haveDevRfkill; then
rfkill unblock wlan
else
for RFKILL in $WLAN_RFKILLS; do
[ ! -w $RFKILL ] || echo 1 >$RFKILL
done
fi
fi
fi
# Is wireless on now? Set the interfaces up and poke wicd
while ! isAnyWirelessPoweredOn && [ $zzz -lt $max_zzz ]; do
sleep 1
zzz=$(($zzz + 1))
done
if [ $zzz -lt $max_zzz ]; then
for WIFACE in $(eval $get_wifaces); do
$if_cmd $WIFACE up 2>/dev/null || :
done
[ ! -x $wicd_connect ] || $wicd_connect
fi
}
# Pass '1' to blink suspending LED and '0' to stop LED
setLEDThinkpadSuspending() {
local ibm_led=/proc/acpi/ibm/led
action=$([ "$1" -ne 0 ] && echo blink || echo off)
[ ! -w $ibm_led ] || printf '7 %s' $action >$ibm_led
}
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