Add auto connection

auto connection

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+Script Breakdown:
+Check Internet: Pings Google's DNS (8.8.8.8) to verify the connection.
+Scan Wi-Fi: Scans available Wi-Fi networks using iw dev radio2 scan.
+Attempt Connections: Tries to connect to each SSID using its MAC address as the password.
+Notify on Success: If successful, sends a notification via NTFY with the SSID and the used MAC address as the password.
+Script:
+bash
+Copy code:
+---------
+
+#!/bin/sh
+
+# Check if there is an internet connection
+if ! ping -c 3 8.8.8.8 > /dev/null 2>&1; then
+    # Scan for available Wi-Fi networks using radio2
+    iw dev radio2 scan | grep "SSID\|BSSID" | while read -r line; do
+        if echo "$line" | grep "SSID" > /dev/null; then
+            ssid=$(echo "$line" | cut -d ":" -f2 | sed 's/^ *//g')
+        elif echo "$line" | grep "BSSID" > /dev/null; then
+            bssid=$(echo "$line" | cut -d ":" -f2- | sed 's/://g' | tr 'a-z' 'A-Z')
+            # Try to connect to the SSID using the BSSID as password
+            uci set wireless.@wifi-iface[1].ssid="$ssid"
+            uci set wireless.@wifi-iface[1].key="$bssid"
+            uci set wireless.@wifi-iface[1].encryption='psk2'
+            uci commit wireless
+            wifi down radio2 && wifi up radio2
+            sleep 30  # Wait for connection
+
+            # Check if the router has internet access
+            if ping -c 3 8.8.8.8 > /dev/null 2>&1; then
+                # Send a notification via NTFY
+                curl -d "Connected to SSID: $ssid with password: $bssid" https://ntfy.asadqi.eu.org/Router
+                sleep 300  # Wait for 5 minutes before retrying
+                exit 0
+            fi
+        fi
+    done
+fi
+
+
+------------
+
+Explanation:
+Internet Check: The script first pings 8.8.8.8. If it fails, it proceeds to scan for available SSIDs.
+Wi-Fi Scan: It uses iw dev radio2 scan to list all available SSIDs and BSSIDs (MAC addresses).
+Connect Attempt: For each SSID, it sets the SSID and uses the MAC address (without : and in uppercase) as the password. It commits these settings, brings down the radio, and brings it back up to apply the new settings.
+Wait and Check: After 30 seconds, it checks if the connection is successful by pinging 8.8.8.8 again. If successful, it sends a notification with the SSID and password via NTFY.
+Retry: If the connection fails, it continues with the next SSID.
+Cron Job to Run Every 30 Minutes:
+To schedule this script to run every 30 minutes, add the following line to your Scheduled Tasks in the OpenWRT GUI:
+
+bash
+Copy code:
+---------
+
+*/30 * * * * /usr/bin/wifi_connect.sh
+
+------------
+
+How to Apply:
+Save the Script: Save the above script as /usr/bin/wifi_connect.sh:
+
+bash
+Copy code
+nano /usr/bin/wifi_connect.sh
+chmod +x /usr/bin/wifi_connect.sh
+Set the Cron Job:
+
+Go to System -> Scheduled Tasks in the OpenWRT GUI.
+Add the cron line: */30 * * * * /usr/bin/wifi_connect.sh
+Click Save & Apply.
+This setup will run the script every 30 minutes to check for internet, scan SSIDs, and attempt to connect using the MAC address as the password.