init

lan.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+for iface in /sys/class/net/*; do
+    iface_name=$(basename "$iface")
+#echo "${iface_name:0:2}"
+
+    # Skip loopback
+    if [[ "$iface_name" == "lo" ]]; then
+        continue
+    fi
+
+    if [[ "${iface_name:0:2}" == "wl" ]]; then
+        continue
+    fi
+
+    # Check if carrier file exists (only for physical interfaces)
+    if [[ -f "$iface/carrier" ]]; then
+        carrier=$(cat "$iface/carrier")
+
+        if [[ "$carrier" == "1" ]]; then
+            echo "Bitte LAN Kabel entfernen"
+	    read -n 1 -s -r -p "Any key to continue"
+            return 0
+        fi
+    fi
+done
+
+echo "LAN cable is NOT connected"
+return 1