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#!/bin/bash
# When wireless client AP or Bridge mode is enabled, this script handles starting
# up network services in a specific order and timing to avoid race conditions.
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
NAME=raspapd
DESC="Service control for RaspAP"
CONFIGFILE="/etc/raspap/hostapd.ini"
DAEMONPATH="/lib/systemd/system/raspapd.service"
OPENVPNENABLED=$(pidof openvpn | wc -l)
positional=()
while [[ $# -gt 0 ]]
do
key="$1"
case $key in
-i|--interface)
interface="$2"
shift # past argument
shift # past value
;;
-s|--seconds)
seconds="$2"
shift
shift
;;
-a|--action)
action="$2"
shift
shift
;;
esac
done
set -- "${positional[@]}"
echo "Stopping network services..."
if [ $OPENVPNENABLED -eq 1 ]; then
systemctl stop openvpn-client@client
fi
systemctl stop systemd-networkd
systemctl stop hostapd.service
systemctl stop dnsmasq.service
systemctl stop dhcpcd.service
if [ "${action}" = "stop" ]; then
echo "Services stopped. Exiting."
exit 0
fi
if [ -f "$DAEMONPATH" ] && [ ! -z "$interface" ]; then
echo "Changing RaspAP Daemon --interface to $interface"
sed -i "s/\(--interface \)[[:alnum:]]*/\1$interface/" "$DAEMONPATH"
fi
if [ -r "$CONFIGFILE" ]; then
declare -A config
while IFS=" = " read -r key value; do
config["$key"]="$value"
done < "$CONFIGFILE"
if [ "${config[BridgedEnable]}" = 1 ]; then
if [ "${interface}" = "br0" ]; then
echo "Stopping systemd-networkd"
systemctl stop systemd-networkd
echo "Restarting eth0 interface..."
ip link set down eth0
ip link set up eth0
echo "Removing uap0 interface..."
iw dev uap0 del
echo "Enabling systemd-networkd"
systemctl start systemd-networkd
systemctl enable systemd-networkd
fi
else
echo "Disabling systemd-networkd"
systemctl disable systemd-networkd
ip link ls up | grep -q 'br0' &> /dev/null
if [ $? == 0 ]; then
echo "Removing br0 interface..."
ip link set down br0
ip link del dev br0
fi
if [ "${config[WifiAPEnable]}" = 1 ]; then
if [ "${interface}" = "uap0" ]; then
ip link ls up | grep -q 'uap0' &> /dev/null
if [ $? == 0 ]; then
echo "Removing uap0 interface..."
iw dev uap0 del
fi
echo "Adding uap0 interface to ${config[WifiManaged]}"
iw dev ${config[WifiManaged]} interface add uap0 type __ap
# Bring up uap0 interface
ifconfig uap0 up
fi
fi
fi
fi
# Start services, mitigating race conditions
echo "Starting network services..."
systemctl start hostapd.service
sleep "${seconds}"
systemctl start dhcpcd.service
sleep "${seconds}"
systemctl start dnsmasq.service
if [ $OPENVPNENABLED -eq 1 ]; then
systemctl start openvpn-client@client
fi
# @mp035 found that the wifi client interface would stop every 8 seconds
# for about 16 seconds. Reassociating seems to solve this
if [ "${config[WifiAPEnable]}" = 1 ]; then
echo "Reassociating wifi client interface..."
sleep "${seconds}"
wpa_cli -i ${config[WifiManaged]} reassociate
fi
echo "RaspAP service start DONE"