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#!/bin/bash
# Offer a dialog interface for simple wifi connection
# Exit with value 2 if SIGINT is sent.
data_out="/tmp/wifi-config.$$"
utilspath=/usr/lib/system-installer
wifi=$utilspath/wifi
. $utilspath/dialog-helper
ssid=""
passphrase=""
trap "exit 2" SIGINT
while [ 1 ]; do
$wifi scan > $data_out
ap=$(grep "wifi_" "$data_out" | sed "s/^\* /\t/" | sed "s/^\*R/\t/" | sed "s/^\*A/\t/" | awk '{$(NF--)=""; print}' | sed "s/^\(.*\) $/\"\1\"/g")
rm -f $data_out 2> /dev/null
if [ -z "$ssid" ]; then
eval dialog_helper --no-items --menu "'Choose your access point'" 24 70 24 $ap
ssid="$DIALOGRES"
fi
if [ -z "$passphrase" ]; then
dialog_helper --inputbox "Network's passphrase (leave empty if none)" 24 70
passphrase="$DIALOGRES"
fi
$wifi connect "$ssid" "$passphrase" | dialog --progressbox "Wifi connecting..." 40 100
if [ ${PIPESTATUS[0]} -eq 0 ]; then
$DIALOG --msgbox "You are connected" 15 70
exit 0
else
ssid=""
passphrase=""
$DIALOG --yesno "Connection failed. Do you want to retry ? (This may take some time)" 24 70 && continue
exit 1
fi
done
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