From 96b8b38a3c17aa08fa964eef9141cf89f1c1d442 Mon Sep 17 00:00:00 2001 From: Viacheslav Hletenko Date: Wed, 27 Sep 2023 14:05:22 +0000 Subject: T5165: Add option protocol for policy local-route Add option `protocol` for policy local-route set policy local-route rule 100 destination '192.0.2.12' set policy local-route rule 100 protocol 'tcp' set policy local-route rule 100 set table '100' --- src/conf_mode/policy-local-route.py | 103 +++++++++++++++++++++--------------- 1 file changed, 60 insertions(+), 43 deletions(-) (limited to 'src/conf_mode') diff --git a/src/conf_mode/policy-local-route.py b/src/conf_mode/policy-local-route.py index 79526f82a..d3c307cdc 100755 --- a/src/conf_mode/policy-local-route.py +++ b/src/conf_mode/policy-local-route.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2020-2021 VyOS maintainers and contributors +# Copyright (C) 2020-2023 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 itertools import product from sys import exit from netifaces import interfaces @@ -54,6 +55,7 @@ def get_config(config=None): fwmk = leaf_node_changed(conf, base_rule + [rule, 'fwmark']) iif = leaf_node_changed(conf, base_rule + [rule, 'inbound-interface']) dst = leaf_node_changed(conf, base_rule + [rule, 'destination']) + proto = leaf_node_changed(conf, base_rule + [rule, 'protocol']) rule_def = {} if src: rule_def = dict_merge({'source' : src}, rule_def) @@ -63,6 +65,8 @@ def get_config(config=None): rule_def = dict_merge({'inbound_interface' : iif}, rule_def) if dst: rule_def = dict_merge({'destination' : dst}, rule_def) + if proto: + rule_def = dict_merge({'protocol' : proto}, rule_def) dict = dict_merge({dict_id : {rule : rule_def}}, dict) pbr.update(dict) @@ -78,6 +82,7 @@ def get_config(config=None): fwmk = leaf_node_changed(conf, base_rule + [rule, 'fwmark']) iif = leaf_node_changed(conf, base_rule + [rule, 'inbound-interface']) dst = leaf_node_changed(conf, base_rule + [rule, 'destination']) + proto = leaf_node_changed(conf, base_rule + [rule, 'protocol']) # keep track of changes in configuration # otherwise we might remove an existing node although nothing else has changed changed = False @@ -119,6 +124,13 @@ def get_config(config=None): changed = True if len(dst) > 0: rule_def = dict_merge({'destination' : dst}, rule_def) + if proto is None: + if 'protocol' in rule_config: + rule_def = dict_merge({'protocol': rule_config['protocol']}, rule_def) + else: + changed = True + if len(proto) > 0: + rule_def = dict_merge({'protocol' : proto}, rule_def) if changed: dict = dict_merge({dict_id : {rule : rule_def}}, dict) pbr.update(dict) @@ -137,18 +149,22 @@ def verify(pbr): pbr_route = pbr[route] if 'rule' in pbr_route: for rule in pbr_route['rule']: - if 'source' not in pbr_route['rule'][rule] \ - and 'destination' not in pbr_route['rule'][rule] \ - and 'fwmark' not in pbr_route['rule'][rule] \ - and 'inbound_interface' not in pbr_route['rule'][rule]: - raise ConfigError('Source or destination address or fwmark or inbound-interface is required!') - else: - if 'set' not in pbr_route['rule'][rule] or 'table' not in pbr_route['rule'][rule]['set']: - raise ConfigError('Table set is required!') - if 'inbound_interface' in pbr_route['rule'][rule]: - interface = pbr_route['rule'][rule]['inbound_interface'] - if interface not in interfaces(): - raise ConfigError(f'Interface "{interface}" does not exist') + if ( + 'source' not in pbr_route['rule'][rule] and + 'destination' not in pbr_route['rule'][rule] and + 'fwmark' not in pbr_route['rule'][rule] and + 'inbound_interface' not in pbr_route['rule'][rule] and + 'protocol' not in pbr_route['rule'][rule] + ): + raise ConfigError('Source or destination address or fwmark or inbound-interface or protocol is required!') + + if 'set' not in pbr_route['rule'][rule] or 'table' not in pbr_route['rule'][rule]['set']: + raise ConfigError('Table set is required!') + + if 'inbound_interface' in pbr_route['rule'][rule]: + interface = pbr_route['rule'][rule]['inbound_interface'] + if interface not in interfaces(): + raise ConfigError(f'Interface "{interface}" does not exist') return None @@ -166,20 +182,22 @@ def apply(pbr): for rule_rm in ['rule_remove', 'rule6_remove']: if rule_rm in pbr: v6 = " -6" if rule_rm == 'rule6_remove' else "" + for rule, rule_config in pbr[rule_rm].items(): - rule_config['source'] = rule_config['source'] if 'source' in rule_config else [''] - for src in rule_config['source']: + source = rule_config.get('source', ['']) + destination = rule_config.get('destination', ['']) + fwmark = rule_config.get('fwmark', ['']) + inbound_interface = rule_config.get('inbound_interface', ['']) + protocol = rule_config.get('protocol', ['']) + + for src, dst, fwmk, iif, proto in product(source, destination, fwmark, inbound_interface, protocol): f_src = '' if src == '' else f' from {src} ' - rule_config['destination'] = rule_config['destination'] if 'destination' in rule_config else [''] - for dst in rule_config['destination']: - f_dst = '' if dst == '' else f' to {dst} ' - rule_config['fwmark'] = rule_config['fwmark'] if 'fwmark' in rule_config else [''] - for fwmk in rule_config['fwmark']: - f_fwmk = '' if fwmk == '' else f' fwmark {fwmk} ' - rule_config['inbound_interface'] = rule_config['inbound_interface'] if 'inbound_interface' in rule_config else [''] - for iif in rule_config['inbound_interface']: - f_iif = '' if iif == '' else f' iif {iif} ' - call(f'ip{v6} rule del prio {rule} {f_src}{f_dst}{f_fwmk}{f_iif}') + f_dst = '' if dst == '' else f' to {dst} ' + f_fwmk = '' if fwmk == '' else f' fwmark {fwmk} ' + f_iif = '' if iif == '' else f' iif {iif} ' + f_proto = '' if proto == '' else f' ipproto {proto} ' + + call(f'ip{v6} rule del prio {rule} {f_src}{f_dst}{f_fwmk}{f_iif}') # Generate new config for route in ['local_route', 'local_route6']: @@ -187,27 +205,26 @@ def apply(pbr): continue v6 = " -6" if route == 'local_route6' else "" - pbr_route = pbr[route] + if 'rule' in pbr_route: for rule, rule_config in pbr_route['rule'].items(): - table = rule_config['set']['table'] - - rule_config['source'] = rule_config['source'] if 'source' in rule_config else ['all'] - for src in rule_config['source'] or ['all']: - f_src = '' if src == '' else f' from {src} ' - rule_config['destination'] = rule_config['destination'] if 'destination' in rule_config else ['all'] - for dst in rule_config['destination']: - f_dst = '' if dst == '' else f' to {dst} ' - f_fwmk = '' - if 'fwmark' in rule_config: - fwmk = rule_config['fwmark'] - f_fwmk = f' fwmark {fwmk} ' - f_iif = '' - if 'inbound_interface' in rule_config: - iif = rule_config['inbound_interface'] - f_iif = f' iif {iif} ' - call(f'ip{v6} rule add prio {rule} {f_src}{f_dst}{f_fwmk}{f_iif} lookup {table}') + table = rule_config['set'].get('table', '') + source = rule_config.get('source', ['all']) + destination = rule_config.get('destination', ['all']) + fwmark = rule_config.get('fwmark', '') + inbound_interface = rule_config.get('inbound_interface', '') + protocol = rule_config.get('protocol', '') + + for src in source: + f_src = f' from {src} ' if src else '' + for dst in destination: + f_dst = f' to {dst} ' if dst else '' + f_fwmk = f' fwmark {fwmark} ' if fwmark else '' + f_iif = f' iif {inbound_interface} ' if inbound_interface else '' + f_proto = f' ipproto {protocol} ' if protocol else '' + + call(f'ip{v6} rule add prio {rule}{f_src}{f_dst}{f_proto}{f_fwmk}{f_iif} lookup {table}') return None -- cgit v1.2.3