68 lines
2.1 KiB
Bash
68 lines
2.1 KiB
Bash
#!/bin/bash
|
|
set -euo pipefail
|
|
|
|
CONFIG="/etc/aismap/network.json"
|
|
HOSTAPD_CONF="/etc/hostapd/hostapd.conf"
|
|
LOG="/var/log/aismap_to_ap.log"
|
|
exec >"$LOG" 2>&1
|
|
|
|
echo "=== $(date) start to_ap ==="
|
|
|
|
IFACE="wlan0"
|
|
AP_IP="192.168.4.1/24"
|
|
AP_SSID=""
|
|
AP_PSK=""
|
|
|
|
if [ -f "$CONFIG" ]; then
|
|
IFACE=$(python3 -c "import json; print(json.load(open('$CONFIG')).get('iface','wlan0'))" 2>/dev/null || echo "wlan0")
|
|
AP_IP=$(python3 -c "import json; print(json.load(open('$CONFIG')).get('ap_ip','192.168.4.1/24'))" 2>/dev/null || echo "192.168.4.1/24")
|
|
AP_SSID=$(python3 -c "import json; print(json.load(open('$CONFIG')).get('ap_ssid',''))" 2>/dev/null || echo "")
|
|
AP_PSK=$(python3 -c "import json; print(json.load(open('$CONFIG')).get('ap_psk',''))" 2>/dev/null || echo "")
|
|
fi
|
|
|
|
echo "[1] stop wifi client"
|
|
killall wpa_supplicant 2>/dev/null || true
|
|
sleep 1
|
|
|
|
echo "[2] reset iface $IFACE"
|
|
ip addr flush dev "$IFACE" 2>/dev/null || true
|
|
ip route del default 2>/dev/null || true
|
|
ip link set "$IFACE" down 2>/dev/null || true
|
|
sleep 1
|
|
ip link set "$IFACE" up
|
|
sleep 2
|
|
|
|
echo "[3] restore AP IP: $AP_IP"
|
|
ip addr add "$AP_IP" dev "$IFACE"
|
|
|
|
echo "[4] update hostapd.conf (if new SSID/PSK provided)"
|
|
if [ -n "$AP_SSID" ] && [ -f "$HOSTAPD_CONF" ]; then
|
|
# Back up the original before first modification
|
|
if [ ! -f "${HOSTAPD_CONF}.orig" ]; then
|
|
cp "$HOSTAPD_CONF" "${HOSTAPD_CONF}.orig"
|
|
echo " backed up original to ${HOSTAPD_CONF}.orig"
|
|
fi
|
|
sed -i "s/^ssid=.*/ssid=${AP_SSID}/" "$HOSTAPD_CONF"
|
|
echo " ssid -> $AP_SSID"
|
|
if [ -n "$AP_PSK" ]; then
|
|
sed -i "s/^wpa_passphrase=.*/wpa_passphrase=${AP_PSK}/" "$HOSTAPD_CONF"
|
|
echo " wpa_passphrase -> (updated)"
|
|
fi
|
|
# Keep interface in sync
|
|
sed -i "s/^interface=.*/interface=${IFACE}/" "$HOSTAPD_CONF"
|
|
else
|
|
echo " no SSID in config or hostapd.conf missing — using existing hostapd.conf"
|
|
fi
|
|
|
|
echo "[5] start hostapd"
|
|
hostapd -B "$HOSTAPD_CONF"
|
|
|
|
echo "[6] restart dnsmasq (if used)"
|
|
systemctl restart dnsmasq 2>/dev/null || true
|
|
|
|
echo "[7] status"
|
|
ip addr show dev "$IFACE"
|
|
iw dev 2>/dev/null || true
|
|
|
|
echo "=== $(date) done to_ap ==="
|