diff options
| -rwxr-xr-x | src/conf_mode/protocols_pim.py | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/conf_mode/protocols_pim.py b/src/conf_mode/protocols_pim.py index 09c3be8df..d450d11ca 100755 --- a/src/conf_mode/protocols_pim.py +++ b/src/conf_mode/protocols_pim.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2020-2023 VyOS maintainers and contributors +# Copyright (C) 2020-2024 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as @@ -16,6 +16,7 @@ import os +from ipaddress import IPv4Address from ipaddress import IPv4Network from signal import SIGTERM from sys import exit @@ -32,6 +33,9 @@ from vyos import frr from vyos import airbag airbag.enable() +RESERVED_MC_NET = '224.0.0.0/24' + + def get_config(config=None): if config: conf = config @@ -92,9 +96,15 @@ def verify(pim): if 'interface' not in pim: raise ConfigError('PIM require defined interfaces!') - for interface in pim['interface']: + for interface, interface_config in pim['interface'].items(): verify_interface_exists(interface) + # Check join group in reserved net + if 'igmp' in interface_config and 'join' in interface_config['igmp']: + for join_addr in interface_config['igmp']['join']: + if IPv4Address(join_addr) in IPv4Network(RESERVED_MC_NET): + raise ConfigError(f'Groups within {RESERVED_MC_NET} are reserved and cannot be joined!') + if 'rp' in pim: if 'address' not in pim['rp']: raise ConfigError('PIM rendezvous point needs to be defined!') |