diff options
-rw-r--r-- | interface-definitions/include/interface/inbound-interface.xml.i | 10 | ||||
-rw-r--r-- | interface-definitions/policy-local-route.xml.in | 125 | ||||
-rwxr-xr-x | smoketest/scripts/cli/test_policy.py | 458 | ||||
-rwxr-xr-x | src/conf_mode/policy-local-route.py | 194 |
4 files changed, 746 insertions, 41 deletions
diff --git a/interface-definitions/include/interface/inbound-interface.xml.i b/interface-definitions/include/interface/inbound-interface.xml.i new file mode 100644 index 000000000..5a8d47280 --- /dev/null +++ b/interface-definitions/include/interface/inbound-interface.xml.i @@ -0,0 +1,10 @@ +<!-- include start from interface/inbound-interface.xml.i --> +<leafNode name="inbound-interface"> + <properties> + <help>Inbound Interface</help> + <completionHelp> + <script>${vyos_completion_dir}/list_interfaces.py</script> + </completionHelp> + </properties> +</leafNode> +<!-- include end --> diff --git a/interface-definitions/policy-local-route.xml.in b/interface-definitions/policy-local-route.xml.in index 3769c3748..8619e839e 100644 --- a/interface-definitions/policy-local-route.xml.in +++ b/interface-definitions/policy-local-route.xml.in @@ -6,6 +6,7 @@ <node name="local-route" owner="${vyos_conf_scripts_dir}/policy-local-route.py"> <properties> <help>IPv4 policy route of local traffic</help> + <priority>500</priority> </properties> <children> <tagNode name="rule"> @@ -14,7 +15,7 @@ <valueHelp> <!-- table main with prio 32766 --> <format>u32:1-32765</format> - <description>Local-route rule number (1-219)</description> + <description>Local-route rule number (1-32765)</description> </valueHelp> <constraint> <validator name="numeric" argument="--range 1-32765"/> @@ -40,6 +41,18 @@ </leafNode> </children> </node> + <leafNode name="fwmark"> + <properties> + <help>Match fwmark value</help> + <valueHelp> + <format>u32:1-2147483647</format> + <description>Address to match against</description> + </valueHelp> + <constraint> + <validator name="numeric" argument="--range 1-2147483647"/> + </constraint> + </properties> + </leafNode> <leafNode name="source"> <properties> <help>Source address or prefix</help> @@ -58,6 +71,116 @@ <multi/> </properties> </leafNode> + <leafNode name="destination"> + <properties> + <help>Destination address or prefix</help> + <valueHelp> + <format>ipv4</format> + <description>Address to match against</description> + </valueHelp> + <valueHelp> + <format>ipv4net</format> + <description>Prefix to match against</description> + </valueHelp> + <constraint> + <validator name="ipv4-address"/> + <validator name="ip-prefix"/> + </constraint> + <multi/> + </properties> + </leafNode> + #include <include/interface/inbound-interface.xml.i> + </children> + </tagNode> + </children> + </node> + <node name="local-route6" owner="${vyos_conf_scripts_dir}/policy-local-route.py"> + <properties> + <help>IPv6 policy route of local traffic</help> + <priority>500</priority> + </properties> + <children> + <tagNode name="rule"> + <properties> + <help>IPv6 policy local-route rule set number</help> + <valueHelp> + <!-- table main with prio 32766 --> + <format>u32:1-32765</format> + <description>Local-route rule number (1-32765)</description> + </valueHelp> + <constraint> + <validator name="numeric" argument="--range 1-32765"/> + </constraint> + </properties> + <children> + <node name="set"> + <properties> + <help>Packet modifications</help> + </properties> + <children> + <leafNode name="table"> + <properties> + <help>Routing table to forward packet with</help> + <valueHelp> + <format>u32:1-200</format> + <description>Table number</description> + </valueHelp> + <completionHelp> + <list>main</list> + </completionHelp> + </properties> + </leafNode> + </children> + </node> + <leafNode name="fwmark"> + <properties> + <help>Match fwmark value</help> + <valueHelp> + <format>u32:1-2147483647</format> + <description>Address to match against</description> + </valueHelp> + <constraint> + <validator name="numeric" argument="--range 1-2147483647"/> + </constraint> + </properties> + </leafNode> + <leafNode name="source"> + <properties> + <help>Source address or prefix</help> + <valueHelp> + <format>ipv6</format> + <description>Address to match against</description> + </valueHelp> + <valueHelp> + <format>ipv6net</format> + <description>Prefix to match against</description> + </valueHelp> + <constraint> + <validator name="ipv6-address"/> + <validator name="ipv6-prefix"/> + </constraint> + <multi/> + </properties> + </leafNode> + <leafNode name="destination"> + <properties> + <help>Destination address or prefix</help> + <valueHelp> + <format>ipv6</format> + <description>Address to match against</description> + </valueHelp> + <valueHelp> + <format>ipv6net</format> + <description>Prefix to match against</description> + </valueHelp> + <constraint> + <validator name="ipv6-address"/> + <validator name="ipv6-prefix"/> + </constraint> + <multi/> + </properties> + </leafNode> + #include <include/interface/inbound-interface.xml.i> </children> </tagNode> </children> diff --git a/smoketest/scripts/cli/test_policy.py b/smoketest/scripts/cli/test_policy.py index f1d195381..ab63cbcf7 100755 --- a/smoketest/scripts/cli/test_policy.py +++ b/smoketest/scripts/cli/test_policy.py @@ -678,18 +678,464 @@ class TestPolicy(VyOSUnitTestSHIM.TestCase): self.cli_commit() - # Check generated configuration - - # Expected values original = """ 50: from 203.0.113.1 lookup 23 50: from 203.0.113.2 lookup 23 """ tmp = cmd('ip rule show prio 50') - original = original.split() - tmp = tmp.split() - self.assertEqual(tmp, original) + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test set table for fwmark + def test_fwmark_table_id(self): + path = base_path + ['local-route'] + + fwmk = '24' + rule = '101' + table = '154' + + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'fwmark', fwmk]) + + self.cli_commit() + + original = """ + 101: from all fwmark 0x18 lookup 154 + """ + tmp = cmd('ip rule show prio 101') + + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test set table for destination + def test_destination_table_id(self): + path = base_path + ['local-route'] + + dst = '203.0.113.1' + rule = '102' + table = '154' + + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'destination', dst]) + + self.cli_commit() + + original = """ + 102: from all to 203.0.113.1 lookup 154 + """ + tmp = cmd('ip rule show prio 102') + + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test set table for sources with fwmark + def test_fwmark_sources_table_id(self): + path = base_path + ['local-route'] + + sources = ['203.0.113.11', '203.0.113.12'] + fwmk = '23' + rule = '100' + table = '150' + for src in sources: + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'source', src]) + self.cli_set(path + ['rule', rule, 'fwmark', fwmk]) + + self.cli_commit() + + original = """ + 100: from 203.0.113.11 fwmark 0x17 lookup 150 + 100: from 203.0.113.12 fwmark 0x17 lookup 150 + """ + tmp = cmd('ip rule show prio 100') + + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test set table for sources with iif + def test_iif_sources_table_id(self): + path = base_path + ['local-route'] + + sources = ['203.0.113.11', '203.0.113.12'] + iif = 'lo' + rule = '100' + table = '150' + + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'inbound-interface', iif]) + for src in sources: + self.cli_set(path + ['rule', rule, 'source', src]) + + self.cli_commit() + + # Check generated configuration + # Expected values + original = """ + 100: from 203.0.113.11 iif lo lookup 150 + 100: from 203.0.113.12 iif lo lookup 150 + """ + tmp = cmd('ip rule show prio 100') + + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test set table for sources and destinations with fwmark + def test_fwmark_sources_destination_table_id(self): + path = base_path + ['local-route'] + + sources = ['203.0.113.11', '203.0.113.12'] + destinations = ['203.0.113.13', '203.0.113.15'] + fwmk = '23' + rule = '103' + table = '150' + for src in sources: + for dst in destinations: + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'source', src]) + self.cli_set(path + ['rule', rule, 'destination', dst]) + self.cli_set(path + ['rule', rule, 'fwmark', fwmk]) + + self.cli_commit() + + original = """ + 103: from 203.0.113.11 to 203.0.113.13 fwmark 0x17 lookup 150 + 103: from 203.0.113.11 to 203.0.113.15 fwmark 0x17 lookup 150 + 103: from 203.0.113.12 to 203.0.113.13 fwmark 0x17 lookup 150 + 103: from 203.0.113.12 to 203.0.113.15 fwmark 0x17 lookup 150 + """ + tmp = cmd('ip rule show prio 103') + + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test set table ipv6 for some sources ipv6 + def test_ipv6_table_id(self): + path = base_path + ['local-route6'] + + sources = ['2001:db8:123::/48', '2001:db8:126::/48'] + rule = '50' + table = '23' + for src in sources: + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'source', src]) + + self.cli_commit() + + original = """ + 50: from 2001:db8:123::/48 lookup 23 + 50: from 2001:db8:126::/48 lookup 23 + """ + tmp = cmd('ip -6 rule show prio 50') + + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test set table for fwmark ipv6 + def test_fwmark_ipv6_table_id(self): + path = base_path + ['local-route6'] + + fwmk = '24' + rule = '100' + table = '154' + + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'fwmark', fwmk]) + + self.cli_commit() + + original = """ + 100: from all fwmark 0x18 lookup 154 + """ + tmp = cmd('ip -6 rule show prio 100') + + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test set table for destination ipv6 + def test_destination_ipv6_table_id(self): + path = base_path + ['local-route6'] + + dst = '2001:db8:1337::/126' + rule = '101' + table = '154' + + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'destination', dst]) + + self.cli_commit() + + original = """ + 101: from all to 2001:db8:1337::/126 lookup 154 + """ + tmp = cmd('ip -6 rule show prio 101') + + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test set table for sources with fwmark ipv6 + def test_fwmark_sources_ipv6_table_id(self): + path = base_path + ['local-route6'] + + sources = ['2001:db8:1338::/126', '2001:db8:1339::/126'] + fwmk = '23' + rule = '102' + table = '150' + for src in sources: + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'source', src]) + self.cli_set(path + ['rule', rule, 'fwmark', fwmk]) + + self.cli_commit() + + original = """ + 102: from 2001:db8:1338::/126 fwmark 0x17 lookup 150 + 102: from 2001:db8:1339::/126 fwmark 0x17 lookup 150 + """ + tmp = cmd('ip -6 rule show prio 102') + + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test set table for sources with iif ipv6 + def test_iif_sources_ipv6_table_id(self): + path = base_path + ['local-route6'] + + sources = ['2001:db8:1338::/126', '2001:db8:1339::/126'] + iif = 'lo' + rule = '102' + table = '150' + for src in sources: + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'source', src]) + self.cli_set(path + ['rule', rule, 'inbound-interface', iif]) + + self.cli_commit() + + original = """ + 102: from 2001:db8:1338::/126 iif lo lookup 150 + 102: from 2001:db8:1339::/126 iif lo lookup 150 + """ + tmp = cmd('ip -6 rule show prio 102') + + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test set table for sources and destinations with fwmark ipv6 + def test_fwmark_sources_destination_ipv6_table_id(self): + path = base_path + ['local-route6'] + + sources = ['2001:db8:1338::/126', '2001:db8:1339::/56'] + destinations = ['2001:db8:13::/48', '2001:db8:16::/48'] + fwmk = '23' + rule = '103' + table = '150' + for src in sources: + for dst in destinations: + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'source', src]) + self.cli_set(path + ['rule', rule, 'destination', dst]) + self.cli_set(path + ['rule', rule, 'fwmark', fwmk]) + + self.cli_commit() + + original = """ + 103: from 2001:db8:1338::/126 to 2001:db8:13::/48 fwmark 0x17 lookup 150 + 103: from 2001:db8:1338::/126 to 2001:db8:16::/48 fwmark 0x17 lookup 150 + 103: from 2001:db8:1339::/56 to 2001:db8:13::/48 fwmark 0x17 lookup 150 + 103: from 2001:db8:1339::/56 to 2001:db8:16::/48 fwmark 0x17 lookup 150 + """ + tmp = cmd('ip -6 rule show prio 103') + + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test delete table for sources and destination with fwmark ipv4/ipv6 + def test_delete_ipv4_ipv6_table_id(self): + path = base_path + ['local-route'] + path_v6 = base_path + ['local-route6'] + + sources = ['203.0.113.0/24', '203.0.114.5'] + destinations = ['203.0.112.0/24', '203.0.116.5'] + sources_v6 = ['2001:db8:1338::/126', '2001:db8:1339::/56'] + destinations_v6 = ['2001:db8:13::/48', '2001:db8:16::/48'] + fwmk = '23' + rule = '103' + table = '150' + for src in sources: + for dst in destinations: + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'source', src]) + self.cli_set(path + ['rule', rule, 'destination', dst]) + self.cli_set(path + ['rule', rule, 'fwmark', fwmk]) + + for src in sources_v6: + for dst in destinations_v6: + self.cli_set(path_v6 + ['rule', rule, 'set', 'table', table]) + self.cli_set(path_v6 + ['rule', rule, 'source', src]) + self.cli_set(path_v6 + ['rule', rule, 'destination', dst]) + self.cli_set(path_v6 + ['rule', rule, 'fwmark', fwmk]) + + self.cli_commit() + + original = """ + 103: from 203.0.113.0/24 to 203.0.116.5 fwmark 0x17 lookup 150 + 103: from 203.0.114.5 to 203.0.112.0/24 fwmark 0x17 lookup 150 + 103: from 203.0.114.5 to 203.0.116.5 fwmark 0x17 lookup 150 + 103: from 203.0.113.0/24 to 203.0.112.0/24 fwmark 0x17 lookup 150 + """ + original_v6 = """ + 103: from 2001:db8:1338::/126 to 2001:db8:16::/48 fwmark 0x17 lookup 150 + 103: from 2001:db8:1339::/56 to 2001:db8:13::/48 fwmark 0x17 lookup 150 + 103: from 2001:db8:1339::/56 to 2001:db8:16::/48 fwmark 0x17 lookup 150 + 103: from 2001:db8:1338::/126 to 2001:db8:13::/48 fwmark 0x17 lookup 150 + """ + tmp = cmd('ip rule show prio 103') + tmp_v6 = cmd('ip -6 rule show prio 103') + + self.assertEqual(sort_ip(tmp), sort_ip(original)) + self.assertEqual(sort_ip(tmp_v6), sort_ip(original_v6)) + + self.cli_delete(path) + self.cli_delete(path_v6) + self.cli_commit() + + tmp = cmd('ip rule show prio 103') + tmp_v6 = cmd('ip -6 rule show prio 103') + + self.assertEqual(sort_ip(tmp), []) + self.assertEqual(sort_ip(tmp_v6), []) + + # Test multiple commits ipv4 + def test_multiple_commit_ipv4_table_id(self): + path = base_path + ['local-route'] + + sources = ['192.0.2.1', '192.0.2.2'] + destination = '203.0.113.25' + rule = '105' + table = '151' + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + for src in sources: + self.cli_set(path + ['rule', rule, 'source', src]) + + self.cli_commit() + + original_first = """ + 105: from 192.0.2.1 lookup 151 + 105: from 192.0.2.2 lookup 151 + """ + tmp = cmd('ip rule show prio 105') + + self.assertEqual(sort_ip(tmp), sort_ip(original_first)) + + # Create second commit with added destination + self.cli_set(path + ['rule', rule, 'destination', destination]) + self.cli_commit() + + original_second = """ + 105: from 192.0.2.1 to 203.0.113.25 lookup 151 + 105: from 192.0.2.2 to 203.0.113.25 lookup 151 + """ + tmp = cmd('ip rule show prio 105') + + self.assertEqual(sort_ip(tmp), sort_ip(original_second)) + + # Test set table for fwmark + def test_fwmark_table_id(self): + path = base_path + ['local-route'] + + fwmk = '24' + rule = '101' + table = '154' + + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'fwmark', fwmk]) + + self.cli_commit() + + original = """ + 101: from all fwmark 0x18 lookup 154 + """ + tmp = cmd('ip rule show prio 101') + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test set table for sources with fwmark + def test_fwmark_sources_table_id(self): + path = base_path + ['local-route'] + + sources = ['203.0.113.11', '203.0.113.12'] + fwmk = '23' + rule = '100' + table = '150' + for src in sources: + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'source', src]) + self.cli_set(path + ['rule', rule, 'fwmark', fwmk]) + + self.cli_commit() + + original = """ + 100: from 203.0.113.11 fwmark 0x17 lookup 150 + 100: from 203.0.113.12 fwmark 0x17 lookup 150 + """ + tmp = cmd('ip rule show prio 100') + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test remove fwmark for sources with fwmark + def test_source_fwmk_remove(self): + path = base_path + ['local-route'] + + src = '203.0.113.11' + dst = '203.0.113.0/24' + fwmk = '23' + rule = '100' + table = '150' + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'source', src]) + self.cli_set(path + ['rule', rule, 'destination', dst]) + self.cli_set(path + ['rule', rule, 'fwmark', fwmk]) + + self.cli_commit() + + original = """ + 100: from 203.0.113.11 to 203.0.113.0/24 fwmark 0x17 lookup 150 + """ + tmp = cmd('ip rule show prio 100') + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + self.cli_delete(path + ['rule', rule, 'source', src]) + self.cli_commit() + + original = """ + 100: from all to 203.0.113.0/24 fwmark 0x17 lookup 150 + """ + tmp = cmd('ip rule show prio 100') + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + # Test change table for sources with fwmark + def test_source_change_table(self): + path = base_path + ['local-route'] + + src = '203.0.113.11' + dst = '203.0.113.0/24' + fwmk = '23' + rule = '100' + table = '150' + self.cli_set(path + ['rule', rule, 'set', 'table', table]) + self.cli_set(path + ['rule', rule, 'source', src]) + self.cli_set(path + ['rule', rule, 'destination', dst]) + self.cli_set(path + ['rule', rule, 'fwmark', fwmk]) + + self.cli_commit() + + original = """ + 100: from 203.0.113.11 to 203.0.113.0/24 fwmark 0x17 lookup 150 + """ + tmp = cmd('ip rule show prio 100') + self.assertEqual(sort_ip(tmp), sort_ip(original)) + + self.cli_set(path + ['rule', rule, 'set', 'table', '151']) + self.cli_commit() + + original = """ + 100: from 203.0.113.11 to 203.0.113.0/24 fwmark 0x17 lookup 151 + """ + tmp = cmd('ip rule show prio 100') + self.assertEqual(sort_ip(tmp), sort_ip(original)) + +def sort_ip(output): + o = '\n'.join([' '.join(line.strip().split()) for line in output.strip().splitlines()]) + o = o.splitlines() + o.sort() + return o if __name__ == '__main__': unittest.main(verbosity=2) diff --git a/src/conf_mode/policy-local-route.py b/src/conf_mode/policy-local-route.py index 013f22665..8a92bbc76 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 VyOS maintainers and contributors +# Copyright (C) 2020-2021 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 @@ -18,6 +18,7 @@ import os from sys import exit +from netifaces import interfaces from vyos.config import Config from vyos.configdict import dict_merge from vyos.configdict import node_changed @@ -35,26 +36,103 @@ def get_config(config=None): conf = config else: conf = Config() - base = ['policy', 'local-route'] + base = ['policy'] + pbr = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) - # delete policy local-route - dict = {} - tmp = node_changed(conf, ['policy', 'local-route', 'rule'], key_mangling=('-', '_')) - if tmp: - for rule in (tmp or []): - src = leaf_node_changed(conf, ['policy', 'local-route', 'rule', rule, 'source']) - if src: - dict = dict_merge({'rule_remove' : {rule : {'source' : src}}}, dict) + for route in ['local_route', 'local_route6']: + dict_id = 'rule_remove' if route == 'local_route' else 'rule6_remove' + route_key = 'local-route' if route == 'local_route' else 'local-route6' + base_rule = base + [route_key, 'rule'] + + # delete policy local-route + dict = {} + tmp = node_changed(conf, base_rule, key_mangling=('-', '_')) + if tmp: + for rule in (tmp or []): + src = leaf_node_changed(conf, base_rule + [rule, 'source']) + 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']) + table = leaf_node_changed(conf, base_rule + [rule, 'set', 'table']) + rule_def = {} + if src: + rule_def = dict_merge({'source' : src}, 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' : dst}, rule_def) + if table: + rule_def = dict_merge({'table' : table}, rule_def) + dict = dict_merge({dict_id : {rule : rule_def}}, dict) pbr.update(dict) - # delete policy local-route rule x source x.x.x.x - if 'rule' in pbr: - for rule in pbr['rule']: - src = leaf_node_changed(conf, ['policy', 'local-route', 'rule', rule, 'source']) - if src: - dict = dict_merge({'rule_remove' : {rule : {'source' : src}}}, dict) - pbr.update(dict) + if not route in pbr: + continue + + # delete policy local-route rule x source x.x.x.x + # delete policy local-route rule x fwmark x + # delete policy local-route rule x destination x.x.x.x + if 'rule' in pbr[route]: + for rule, rule_config in pbr[route]['rule'].items(): + src = leaf_node_changed(conf, base_rule + [rule, 'source']) + 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']) + table = leaf_node_changed(conf, base_rule + [rule, 'set', 'table']) + # keep track of changes in configuration + # otherwise we might remove an existing node although nothing else has changed + changed = False + + rule_def = {} + # src is None if there are no changes to src + if src is None: + # if src hasn't changed, include it in the removal selector + # if a new selector is added, we have to remove all previous rules without this selector + # to make sure we remove all previous rules with this source(s), it will be included + if 'source' in rule_config: + rule_def = dict_merge({'source': rule_config['source']}, rule_def) + else: + # if src is not None, it's previous content will be returned + # this can be an empty array if it's just being set, or the previous value + # either way, something has to be changed and we only want to remove previous values + changed = True + # set the old value for removal if it's not empty + if len(src) > 0: + rule_def = dict_merge({'source' : src}, rule_def) + if fwmk is None: + if 'fwmark' in rule_config: + rule_def = dict_merge({'fwmark': [rule_config['fwmark']]}, rule_def) + else: + changed = True + if len(fwmk) > 0: + rule_def = dict_merge({'fwmark' : fwmk}, rule_def) + if iif is None: + if 'inbound_interface' in rule_config: + rule_def = dict_merge({'inbound_interface': [rule_config['inbound_interface']]}, rule_def) + else: + changed = True + if len(iif) > 0: + rule_def = dict_merge({'inbound_interface' : iif}, rule_def) + if dst is None: + if 'destination' in rule_config: + rule_def = dict_merge({'destination': rule_config['destination']}, rule_def) + else: + changed = True + if len(dst) > 0: + rule_def = dict_merge({'destination' : dst}, rule_def) + 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) + if changed: + dict = dict_merge({dict_id : {rule : rule_def}}, dict) + pbr.update(dict) return pbr @@ -63,13 +141,25 @@ def verify(pbr): if not pbr: return None - if 'rule' in pbr: - for rule in pbr['rule']: - if 'source' not in pbr['rule'][rule]: - raise ConfigError('Source address required!') - else: - if 'set' not in pbr['rule'][rule] or 'table' not in pbr['rule'][rule]['set']: - raise ConfigError('Table set is required!') + for route in ['local_route', 'local_route6']: + if not route in pbr: + continue + + 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') return None @@ -84,18 +174,54 @@ def apply(pbr): return None # Delete old rule if needed - if 'rule_remove' in pbr: - for rule in pbr['rule_remove']: - for src in pbr['rule_remove'][rule]['source']: - call(f'ip rule del prio {rule} from {src}') + 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']: + 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} ' + rule_config['table'] = rule_config['table'] if 'table' in rule_config else [''] + for table in rule_config['table']: + f_table = '' if table == '' else f' lookup {table} ' + call(f'ip{v6} rule del prio {rule} {f_src}{f_dst}{f_fwmk}{f_iif}{f_table}') # Generate new config - if 'rule' in pbr: - for rule in pbr['rule']: - table = pbr['rule'][rule]['set']['table'] - if pbr['rule'][rule]['source']: - for src in pbr['rule'][rule]['source']: - call(f'ip rule add prio {rule} from {src} lookup {table}') + for route in ['local_route', 'local_route6']: + if not route in 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}') return None |