diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/conf_mode/service_dhcp-server.py | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/conf_mode/service_dhcp-server.py b/src/conf_mode/service_dhcp-server.py index 2418c8faa..9632b91fc 100755 --- a/src/conf_mode/service_dhcp-server.py +++ b/src/conf_mode/service_dhcp-server.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2018-2023 VyOS maintainers and contributors +# Copyright (C) 2018-2024 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 @@ -233,6 +233,8 @@ def verify(dhcp): if 'static_mapping' in subnet_config: # Static mappings require just a MAC address (will use an IP from the dynamic pool if IP is not set) used_ips = [] + used_mac = [] + used_duid = [] for mapping, mapping_config in subnet_config['static_mapping'].items(): if 'ip_address' in mapping_config: if ip_address(mapping_config['ip_address']) not in ip_network(subnet): @@ -245,10 +247,19 @@ def verify(dhcp): f'static mapping "{mapping}" within shared-network "{network}, {subnet}"!') if mapping_config['ip_address'] in used_ips: - raise ConfigError(f'Configured IP address for static mapping "{mapping}" exists on another static mapping') - + raise ConfigError(f'Configured IP address for static mapping "{mapping}" already exists on another static mapping') used_ips.append(mapping_config['ip_address']) + if 'mac' in mapping_config: + if mapping_config['mac'] in used_mac: + raise ConfigError(f'Configured MAC address for static mapping "{mapping}" already exists on another static mapping') + used_mac.append(mapping_config['mac']) + + if 'duid' in mapping_config: + if mapping_config['duid'] in used_duid: + raise ConfigError(f'Configured DUID for static mapping "{mapping}" already exists on another static mapping') + used_duid.append(mapping_config['duid']) + # There must be one subnet connected to a listen interface. # This only counts if the network itself is not disabled! if 'disable' not in network_config: |