Initial commit: Simple DHCP Server mit Tkinter-GUI und Start-Skripten

src/utils.py

@@ -0,0 +1,29 @@
+def get_available_interfaces():
+    import netifaces
+    return netifaces.interfaces()
+
+def format_ip_address(ip):
+    try:
+        parts = ip.split('.')
+        if len(parts) != 4:
+            raise ValueError("Invalid IP address format")
+        return '.'.join(str(int(part)) for part in parts)
+    except ValueError as e:
+        raise ValueError(f"Error formatting IP address: {e}")
+
+def validate_subnet_mask(mask):
+    valid_masks = [
+        '255.255.255.255', '255.255.255.254', '255.255.255.252',
+        '255.255.255.248', '255.255.255.240', '255.255.255.224',
+        '255.255.255.192', '255.255.255.128', '255.255.255.0',
+        '255.255.254.0', '255.255.252.0', '255.255.248.0',
+        '255.255.240.0', '255.255.224.0', '255.255.192.0',
+        '255.255.128.0', '255.255.0.0', '255.254.0.0',
+        '255.252.0.0', '255.248.0.0', '255.240.0.0',
+        '255.224.0.0', '255.192.0.0', '255.128.0.0',
+        '255.0.0.0', '254.0.0.0', '252.0.0.0',
+        '248.0.0.0', '240.0.0.0', '224.0.0.0',
+        '192.0.0.0', '128.0.0.0', '0.0.0.0'
+    ]
+    if mask not in valid_masks:
+        raise ValueError("Invalid subnet mask")