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# Copyright 2023-2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library. If not, see <http://www.gnu.org/licenses/>.
# T5681: Firewall re-writing. Simplify cli when mathcing interface
# From
# set firewall ... rule <rule> [inbound-interface | outboubd-interface] interface-name <iface>
# set firewall ... rule <rule> [inbound-interface | outboubd-interface] interface-group <iface_group>
# To
# set firewall ... rule <rule> [inbound-interface | outboubd-interface] name <iface>
# set firewall ... rule <rule> [inbound-interface | outboubd-interface] group <iface_group>
from vyos.configtree import ConfigTree
base = ['firewall']
def migrate(config: ConfigTree) -> None:
if not config.exists(base):
# Nothing to do
return
## Migration from base chains
#if config.exists(base + ['interface', iface, direction]):
for family in ['ipv4', 'ipv6']:
if config.exists(base + [family]):
for hook in ['forward', 'input', 'output', 'name']:
if config.exists(base + [family, hook]):
for priority in config.list_nodes(base + [family, hook]):
if config.exists(base + [family, hook, priority, 'rule']):
for rule in config.list_nodes(base + [family, hook, priority, 'rule']):
for direction in ['inbound-interface', 'outbound-interface']:
if config.exists(base + [family, hook, priority, 'rule', rule, direction]):
if config.exists(base + [family, hook, priority, 'rule', rule, direction, 'interface-name']):
iface = config.return_value(base + [family, hook, priority, 'rule', rule, direction, 'interface-name'])
config.set(base + [family, hook, priority, 'rule', rule, direction, 'name'], value=iface)
config.delete(base + [family, hook, priority, 'rule', rule, direction, 'interface-name'])
elif config.exists(base + [family, hook, priority, 'rule', rule, direction, 'interface-group']):
group = config.return_value(base + [family, hook, priority, 'rule', rule, direction, 'interface-group'])
config.set(base + [family, hook, priority, 'rule', rule, direction, 'group'], value=group)
config.delete(base + [family, hook, priority, 'rule', rule, direction, 'interface-group'])
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