Update bin/access-point.sh

This commit is contained in:
Zakary Timson 2024-07-27 10:49:50 -04:00
parent fa02eeb7be
commit 818b68d23b

View File

@ -11,36 +11,46 @@ DHCP_END="10.10.10.254" # End of DHCP IP pool
# End of Configuration ================================================================================================
SCRIPT="$(basename $0)"
FORCE=false
QUIET=false
FAILOVER=""
show_help() {
echo "Usage: $(basename $0) [OPTIONS]"
echo ""
echo "Options:"
echo " -f, --force Create AP regardless of WiFi status"
echo " -h, --help Show this help message"
echo " -q, --quiet Run without output"
echo " --enable Enable automatic fallback AP"
echo " --disable Disable automatic fallback AP"
echo " -f, --failover Automaticaly toggle AP when network connection is lost"
echo " --failover=false Disable automatic toggling of AP"
echo " -h, --help Show this help message"
echo " -q, --quiet Run without output"
echo " --ssid <SSID> Override default SSID"
echo " --passwd <PASSWORD> Override default password"
}
is_active() {
[ "$(systemctl is-active hostapd)" == "active" ]
}
is_connected() {
[ -n "$(iwgetid -r)" ]
}
enable_ap() {
rw > /dev/null
log_message "Enabling AP..."
systemctl stop dhcpcd
systemctl stop wpa_supplicant
systemctl stop systemd-resolved
ip link set wlan0 down
ip link set wlan0 up
ip addr add "$DHCP_IP/24" dev wlan0
ip link add link wlan0 name ap0 type macvlan mode bridge
ip link set ap0 up
ip addr add "$DHCP_IP/24" dev ap0
# Configure and start hostapd
cat <<EOF > /etc/hostapd/hostapd.conf
interface=wlan0
interface=ap0
ssid=$SSID
hw_mode=g
channel=7
channel=0
wpa=2
wpa_passphrase=$PASSWORD
wpa_key_mgmt=WPA-PSK
@ -52,7 +62,7 @@ EOF
# Configure and start dnsmasq
cat <<EOF > /etc/dnsmasq.conf
interface=wlan0
interface=ap0
dhcp-range=$DHCP_START,$DHCP_END,255.255.255.0,24h
EOF
systemctl start dnsmasq
@ -60,7 +70,9 @@ EOF
disable_ap() {
log_message "Disabling AP..."
ip addr del "$DHCP_IP/24" dev wlan0
ip addr del "$DHCP_IP/24" dev ap0
ip link set ap0 down
ip link delete ap0
systemctl stop hostapd
systemctl stop dnsmasq
systemctl start systemd-resolved
@ -91,21 +103,15 @@ log_message() {
# Parse command line arguments
while [[ "$#" -gt 0 ]]; do
case $1 in
-f|--force) FORCE=true ;;
-f|--failover|--failover=true) FAILOVER=true ;;
-h|--help) show_help && exit ;;
-q|--quiet) QUIET=true ;;
--enable) enable_cron && exit ;;
--disable) disable_cron && disable_ap && exit ;;
--ssid) shift && SSID="$1" ;;
--passwd) shift && PASSWORD="$1" ;;
*)
if [ -z "$SSID" ]; then
SSID="$1"
elif [ -z "$PASSWORD" ]; then
PASSWORD="$1"
else
echo "Unknown option: $1"
show_help
exit 1
fi
echo "Unknown option: $1"
show_help
exit 1
;;
esac
shift
@ -118,13 +124,13 @@ if [ "$UID" != "0" ]; then
fi
# Check if connected to WiFi
if [ "$FORCE" == "false" ] && [ -n "$(iwgetid -r)" ] ; then
if [ "$FORCE" == "false" ] && is_connected; then
log_message "Already connected to WiFi"
# Disable the access point if it's running
if [ "$(systemctl is-active hostapd)" == "active" ]; then
disable_ap
fi
elif [ "$(systemctl is-active hostapd)" != "active" ]; then
elif ! is_active; then
if [ "$FORCE" == "true" ]; then disable_cron; fi
enable_ap
fi
fi