added drop broadcast IPs

README.md

-[PACKAGE]: ../../raw/master/mkp/inv_win_if_ip-0.0.4-20241212.mkp "inv_win_if_ip-0.0.4-20241212.mkp"
+[PACKAGE]: ../../raw/master/mkp/inv_win_if_ip-0.0.5-20250124.mkp "inv_win_if_ip-0.0.5-20250124.mkp"
 # IP-Address inventory for Windows hosts
 
 The plugin adds IP-address information to the inventory. The plugin supports IPv4 and IPv6, more than one IP-address per interface is supported.

source/cmk_addons_plugins/inv_ip_address/agent_based/inv_win_ip_address.py

@@ -20,6 +20,8 @@
 # 2024-12-09: rewritten for CMK checkAPI 2.0
 # 2024-12-10: added host label nvdct/l3v6_topology:host and nvdct/l3v6_topology:router
 # 2014-12-12: fix crash in host label function if interface has no ip-address
+# 2025-01-21: added drop broadcast IPs
+# 2025-01-24: fixed crash on bad prefix-length (to long for the ip version i.e. 33 for ipv4)
 
 from collections.abc import Mapping, Sequence
 from ipaddress import AddressValueError, IPv4Interface, IPv6Interface, NetmaskValueError, ip_interface
@@ -86,6 +88,16 @@ def clean_str(v: str) -> str:
 
 CleanStr = Annotated[str, AfterValidator(clean_str)]
 
+def is_broadcast(interface_ip: ip_interface) -> bool:
+    if interface_ip.version == 4 and interface_ip.network.prefixlen != 32:
+        if interface_ip.ip.compressed == interface_ip.network.broadcast_address.compressed:
+            return True
+    elif interface_ip.version == 6 and interface_ip.network.prefixlen != 128:
+        if interface_ip.ip.compressed == interface_ip.network.broadcast_address.compressed:
+            return True
+
+    return False
+
 
 class Adapter(BaseModel):
     name: CleanStr
@@ -102,10 +114,15 @@ class Adapter(BaseModel):
 
         for i in range(0, len(raw_address)):
             try:
-                _ip_data.append(ip_interface(f'{raw_address[i]}/{raw_networks[i]}'))
-            except (AddressValueError, NetmaskValueError):
+                interface_ip = ip_interface(f'{raw_address[i]}/{raw_networks[i]}')
+            except (AddressValueError, NetmaskValueError, ValueError):
                 continue
 
+            if is_broadcast(interface_ip):
+                continue  # drop broadcast IPs
+
+            _ip_data.append(interface_ip)
+
         return _ip_data
 
     @computed_field

source/packages/inv_win_if_ip

@@ -17,7 +17,7 @@
            'cmk_addons_plugins': ['inv_ip_address/agent_based/inv_win_ip_address.py']},
  'name': 'inv_win_if_ip',
  'title': 'Inventory for IP-addresses of Windows hosts',
- 'version': '0.0.4-20241212',
+ 'version': '0.0.5-20250124',
  'version.min_required': '2.3.0b1',
  'version.packaged': 'cmk-mkp-tool 0.2.0',
  'version.usable_until': '2.4.0b1'}