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# Uses wpa_supplicant to check for association to a network
# wpa_check interface [timeout]
wpa_check()
{
local timeout=0 INTERFACE=$1 TIMEOUT=${2:-15}
while [[ $timeout -lt $TIMEOUT ]]; do
(
eval `wpa_cli status|grep wpa_state`
[[ "$wpa_state" = "COMPLETED" ]]
) && return 0
sleep 1
let timeout++
done
wpa_cli terminate >/dev/null 2>&1
err_append "Authentication/association failed"
return 1
}
start_wpa()
{
INTERFACE="$1"; WPA_CONF="$2"; WPA_OPTS="$3"
wpa_supplicant -wB -P/var/run/wpa_supplicant_${INTERFACE}.pid -i"${INTERFACE}" -c "$WPA_CONF" $WPA_OPTS
sleep 1
if [[ ! -f "/var/run/wpa_supplicant_${INTERFACE}.pid" ]]; then
err_append "wpa_supplicant did not start, possible configuration error"
return 1
fi
}
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