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|
##################################
##
# /usr/lib/network/8021x
##
##################################
# Uses wpa_supplicant to check for association to a network
# wpa_check interface [timeout]
wpa_check()
{
local INTERFACE="$1" TIMEOUT="${2:-15}" timeout=0
while [[ "$timeout" -lt "$TIMEOUT" ]]; do
( # Sometimes wpa_supplicant isn't ready so silence errors for 2s only to avoid hiding real errors
if [[ "$timeout" -lt 2 ]]; then
eval $(wpa_cli -i "$INTERFACE" status 2> /dev/null | fgrep "wpa_state=")
else
eval $(wpa_cli -i "$INTERFACE" status | fgrep "wpa_state=")
fi
[[ "$wpa_state" = COMPLETED ]]
) && return 0
sleep 1
let timeout++
done
wpa_cli terminate >/dev/null 2>&1
report_fail "Couldn't associate/authenticate with wireless network."
return 1
}
start_wpa()
{
local INTERFACE="$1" WPA_CONF="$2" WPA_OPTS="$3"
wpa_supplicant -B -P "/var/run/wpa_supplicant_$INTERFACE.pid" -i "$INTERFACE" -c "$WPA_CONF" $WPA_OPTS
sleep 1
if [[ ! -f "/var/run/wpa_supplicant_$INTERFACE.pid" ]]; then
report_fail "wpa_supplicant did not start, possible configuration error"
return 1
fi
}
stop_wpa()
{
wpa_cli -i "$1" terminate &> /dev/null
sleep 1 # JP: need this else the file tends to disappear after [[ -f ... ]] but before cat...
# see <http://bbs.archlinux.org/viewtopic.php?pid=515667#p515667>
if [[ -f "/var/run/wpa_supplicant_$1.pid" ]]; then
kill $(cat "/var/run/wpa_supplicant_$1.pid") &>/dev/null &
fi
}
# vim: set ts=4 et sw=4 ft=sh:
|
