From ff43733074675b94ce4ead83fe63870b6cf953c5 Mon Sep 17 00:00:00 2001 From: Viacheslav Hletenko Date: Fri, 6 Oct 2023 09:18:35 +0000 Subject: T5165: Implement policy local-route source and destination port Add `policy local-route` source and destination port set policy local-route rule 23 destination port '222' set policy local-route rule 23 protocol 'tcp' set policy local-route rule 23 set table '123' set policy local-route rule 23 source port '8888' % ip rule show prio 23 23: from all ipproto tcp sport 8888 dport 222 lookup 123 --- src/conf_mode/policy-local-route.py | 79 ++++++++++++++++++++++++++++++++++--- 1 file changed, 74 insertions(+), 5 deletions(-) (limited to 'src') diff --git a/src/conf_mode/policy-local-route.py b/src/conf_mode/policy-local-route.py index 2e8aabb80..91e4fce2c 100755 --- a/src/conf_mode/policy-local-route.py +++ b/src/conf_mode/policy-local-route.py @@ -52,19 +52,28 @@ def get_config(config=None): if tmp: for rule in (tmp or []): src = leaf_node_changed(conf, base_rule + [rule, 'source', 'address']) + src_port = leaf_node_changed(conf, base_rule + [rule, 'source', 'port']) 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', 'address']) + dst_port = leaf_node_changed(conf, base_rule + [rule, 'destination', 'port']) + table = leaf_node_changed(conf, base_rule + [rule, 'set', 'table']) proto = leaf_node_changed(conf, base_rule + [rule, 'protocol']) rule_def = {} if src: rule_def = dict_merge({'source': {'address': src}}, rule_def) + if src_port: + rule_def = dict_merge({'source': {'port': src_port}}, rule_def) if fwmk: rule_def = dict_merge({'fwmark' : fwmk}, rule_def) if iif: rule_def = dict_merge({'inbound_interface' : iif}, rule_def) if dst: rule_def = dict_merge({'destination': {'address': dst}}, rule_def) + if dst_port: + rule_def = dict_merge({'destination': {'port': dst_port}}, rule_def) + if table: + rule_def = dict_merge({'table' : table}, rule_def) if proto: rule_def = dict_merge({'protocol' : proto}, rule_def) dict = dict_merge({dict_id : {rule : rule_def}}, dict) @@ -79,9 +88,12 @@ def get_config(config=None): if 'rule' in pbr[route]: for rule, rule_config in pbr[route]['rule'].items(): src = leaf_node_changed(conf, base_rule + [rule, 'source', 'address']) + src_port = leaf_node_changed(conf, base_rule + [rule, 'source', 'port']) 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', 'address']) + dst_port = leaf_node_changed(conf, base_rule + [rule, 'destination', 'port']) + table = leaf_node_changed(conf, base_rule + [rule, 'set', 'table']) 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 @@ -105,14 +117,32 @@ def get_config(config=None): if len(src) > 0: rule_def = dict_merge({'source': {'address': src}}, rule_def) + # source port + if src_port is None: + if 'source' in rule_config: + if 'port' in rule_config['source']: + tmp = rule_config['source']['port'] + if isinstance(tmp, str): + tmp = [tmp] + rule_def = dict_merge({'source': {'port': tmp}}, rule_def) + else: + changed = True + if len(src_port) > 0: + rule_def = dict_merge({'source': {'port': src_port}}, rule_def) + + # fwmark if fwmk is None: if 'fwmark' in rule_config: - rule_def = dict_merge({'fwmark': rule_config['fwmark']}, rule_def) + tmp = rule_config['fwmark'] + if isinstance(tmp, str): + tmp = [tmp] + rule_def = dict_merge({'fwmark': tmp}, rule_def) else: changed = True if len(fwmk) > 0: rule_def = dict_merge({'fwmark' : fwmk}, rule_def) + # inbound-interface if iif is None: if 'inbound_interface' in rule_config: rule_def = dict_merge({'inbound_interface': rule_config['inbound_interface']}, rule_def) @@ -121,6 +151,7 @@ def get_config(config=None): if len(iif) > 0: rule_def = dict_merge({'inbound_interface' : iif}, rule_def) + # destination address if dst is None: if 'destination' in rule_config: if 'address' in rule_config['destination']: @@ -130,9 +161,35 @@ def get_config(config=None): if len(dst) > 0: rule_def = dict_merge({'destination': {'address': dst}}, rule_def) + # destination port + if dst_port is None: + if 'destination' in rule_config: + if 'port' in rule_config['destination']: + tmp = rule_config['destination']['port'] + if isinstance(tmp, str): + tmp = [tmp] + rule_def = dict_merge({'destination': {'port': tmp}}, rule_def) + else: + changed = True + if len(dst_port) > 0: + rule_def = dict_merge({'destination': {'port': dst_port}}, rule_def) + + # table + if table is None: + if 'set' in rule_config and 'table' in rule_config['set']: + rule_def = dict_merge({'table': [rule_config['set']['table']]}, rule_def) + else: + changed = True + if len(table) > 0: + rule_def = dict_merge({'table' : table}, rule_def) + + # protocol if proto is None: if 'protocol' in rule_config: - rule_def = dict_merge({'protocol': rule_config['protocol']}, rule_def) + tmp = rule_config['protocol'] + if isinstance(tmp, str): + tmp = [tmp] + rule_def = dict_merge({'protocol': tmp}, rule_def) else: changed = True if len(proto) > 0: @@ -192,19 +249,27 @@ def apply(pbr): for rule, rule_config in pbr[rule_rm].items(): source = rule_config.get('source', {}).get('address', ['']) + source_port = rule_config.get('source', {}).get('port', ['']) destination = rule_config.get('destination', {}).get('address', ['']) + destination_port = rule_config.get('destination', {}).get('port', ['']) fwmark = rule_config.get('fwmark', ['']) inbound_interface = rule_config.get('inbound_interface', ['']) protocol = rule_config.get('protocol', ['']) + table = rule_config.get('table', ['']) - for src, dst, fwmk, iif, proto in product(source, destination, fwmark, inbound_interface, protocol): + for src, dst, src_port, dst_port, fwmk, iif, proto, table in product( + source, destination, source_port, destination_port, + fwmark, inbound_interface, protocol, table): f_src = '' if src == '' else f' from {src} ' + f_src_port = '' if src_port == '' else f' sport {src_port} ' f_dst = '' if dst == '' else f' to {dst} ' + f_dst_port = '' if dst_port == '' else f' dport {dst_port} ' f_fwmk = '' if fwmk == '' else f' fwmark {fwmk} ' f_iif = '' if iif == '' else f' iif {iif} ' f_proto = '' if proto == '' else f' ipproto {proto} ' + f_table = '' if table == '' else f' lookup {table} ' - call(f'ip{v6} rule del prio {rule} {f_src}{f_dst}{f_fwmk}{f_iif}') + call(f'ip{v6} rule del prio {rule} {f_src}{f_dst}{f_proto}{f_src_port}{f_dst_port}{f_fwmk}{f_iif}{f_table}') # Generate new config for route in ['local_route', 'local_route6']: @@ -218,7 +283,9 @@ def apply(pbr): for rule, rule_config in pbr_route['rule'].items(): table = rule_config['set'].get('table', '') source = rule_config.get('source', {}).get('address', ['all']) + source_port = rule_config.get('source', {}).get('port', '') destination = rule_config.get('destination', {}).get('address', ['all']) + destination_port = rule_config.get('destination', {}).get('port', '') fwmark = rule_config.get('fwmark', '') inbound_interface = rule_config.get('inbound_interface', '') protocol = rule_config.get('protocol', '') @@ -227,11 +294,13 @@ def apply(pbr): f_src = f' from {src} ' if src else '' for dst in destination: f_dst = f' to {dst} ' if dst else '' + f_src_port = f' sport {source_port} ' if source_port else '' + f_dst_port = f' dport {destination_port} ' if destination_port 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}') + call(f'ip{v6} rule add prio {rule}{f_src}{f_dst}{f_proto}{f_src_port}{f_dst_port}{f_fwmk}{f_iif} lookup {table}') return None -- cgit v1.2.3