From 770edf016838523c248e3c8a36c5f327a0b98415 Mon Sep 17 00:00:00 2001 From: Nicolas Fort Date: Fri, 24 May 2024 16:44:41 +0000 Subject: T3900: T6394: extend functionalities in firewall; move netfilter sysctl timeout parameters defined in conntrack to firewall global-opton section. --- smoketest/scripts/cli/test_firewall.py | 96 ++++++++++++++++++++++++++++++++-- 1 file changed, 92 insertions(+), 4 deletions(-) (limited to 'smoketest/scripts/cli/test_firewall.py') diff --git a/smoketest/scripts/cli/test_firewall.py b/smoketest/scripts/cli/test_firewall.py index 5cf2b2146..0943d8e24 100755 --- a/smoketest/scripts/cli/test_firewall.py +++ b/smoketest/scripts/cli/test_firewall.py @@ -23,6 +23,7 @@ from base_vyostest_shim import VyOSUnitTestSHIM from vyos.configsession import ConfigSessionError from vyos.utils.process import run +from vyos.utils.file import read_file sysfs_config = { 'all_ping': {'sysfs': '/proc/sys/net/ipv4/icmp_echo_ignore_all', 'default': '0', 'test_value': 'disable'}, @@ -38,6 +39,10 @@ sysfs_config = { 'twa_hazards_protection': {'sysfs': '/proc/sys/net/ipv4/tcp_rfc1337', 'default': '0', 'test_value': 'enable'} } +def get_sysctl(parameter): + tmp = parameter.replace(r'.', r'/') + return read_file(f'/proc/sys/{tmp}') + class TestFirewall(VyOSUnitTestSHIM.TestCase): @classmethod def setUpClass(cls): @@ -240,7 +245,7 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase): self.cli_set(['firewall', 'ipv4', 'output', 'raw', 'rule', '1', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'output', 'raw', 'rule', '1', 'protocol', 'udp']) - self.cli_set(['firewall', 'ipv4', 'prerouting', 'raw', 'rule', '1', 'action', 'drop']) + self.cli_set(['firewall', 'ipv4', 'prerouting', 'raw', 'rule', '1', 'action', 'notrack']) self.cli_set(['firewall', 'ipv4', 'prerouting', 'raw', 'rule', '1', 'protocol', 'tcp']) self.cli_set(['firewall', 'ipv4', 'prerouting', 'raw', 'rule', '1', 'destination', 'port', '23']) @@ -270,7 +275,7 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase): ['OUT-raw default-action drop', 'drop'], ['chain VYOS_PREROUTING_raw'], ['type filter hook prerouting priority raw; policy accept;'], - ['tcp dport 23', 'drop'], + ['tcp dport 23', 'notrack'], ['PRE-raw default-action accept', 'accept'], ['chain NAME_smoketest'], ['saddr 172.16.20.10', 'daddr 172.16.10.10', 'log prefix "[ipv4-NAM-smoketest-1-A]" log level debug', 'ip ttl 15', 'accept'], @@ -474,7 +479,7 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase): self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'rule', '3', 'outbound-interface', 'name', interface]) self.cli_set(['firewall', 'ipv6', 'output', 'raw', 'default-action', 'drop']) - self.cli_set(['firewall', 'ipv6', 'output', 'raw', 'rule', '1', 'action', 'accept']) + self.cli_set(['firewall', 'ipv6', 'output', 'raw', 'rule', '1', 'action', 'notrack']) self.cli_set(['firewall', 'ipv6', 'output', 'raw', 'rule', '1', 'protocol', 'udp']) self.cli_set(['firewall', 'ipv6', 'prerouting', 'raw', 'rule', '1', 'action', 'drop']) @@ -498,7 +503,7 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase): ['log prefix "[ipv6-OUT-filter-default-D]"','OUT-filter default-action drop', 'drop'], ['chain VYOS_IPV6_OUTPUT_raw'], ['type filter hook output priority raw; policy accept;'], - ['udp', 'accept'], + ['udp', 'notrack'], ['OUT-raw default-action drop', 'drop'], ['chain VYOS_IPV6_PREROUTING_raw'], ['type filter hook prerouting priority raw; policy accept;'], @@ -770,6 +775,89 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase): with open(path, 'r') as f: self.assertNotEqual(f.read().strip(), conf['default'], msg=path) + def test_timeout_sysctl(self): + timeout_config = { + 'net.netfilter.nf_conntrack_icmp_timeout' :{ + 'cli' : ['global-options', 'timeout', 'icmp'], + 'test_value' : '180', + 'default_value' : '30', + }, + 'net.netfilter.nf_conntrack_generic_timeout' :{ + 'cli' : ['global-options', 'timeout', 'other'], + 'test_value' : '1200', + 'default_value' : '600', + }, + 'net.netfilter.nf_conntrack_tcp_timeout_close_wait' :{ + 'cli' : ['global-options', 'timeout', 'tcp', 'close-wait'], + 'test_value' : '30', + 'default_value' : '60', + }, + 'net.netfilter.nf_conntrack_tcp_timeout_close' :{ + 'cli' : ['global-options', 'timeout', 'tcp', 'close'], + 'test_value' : '20', + 'default_value' : '10', + }, + 'net.netfilter.nf_conntrack_tcp_timeout_established' :{ + 'cli' : ['global-options', 'timeout', 'tcp', 'established'], + 'test_value' : '1000', + 'default_value' : '432000', + }, + 'net.netfilter.nf_conntrack_tcp_timeout_fin_wait' :{ + 'cli' : ['global-options', 'timeout', 'tcp', 'fin-wait'], + 'test_value' : '240', + 'default_value' : '120', + }, + 'net.netfilter.nf_conntrack_tcp_timeout_last_ack' :{ + 'cli' : ['global-options', 'timeout', 'tcp', 'last-ack'], + 'test_value' : '300', + 'default_value' : '30', + }, + 'net.netfilter.nf_conntrack_tcp_timeout_syn_recv' :{ + 'cli' : ['global-options', 'timeout', 'tcp', 'syn-recv'], + 'test_value' : '100', + 'default_value' : '60', + }, + 'net.netfilter.nf_conntrack_tcp_timeout_syn_sent' :{ + 'cli' : ['global-options', 'timeout', 'tcp', 'syn-sent'], + 'test_value' : '300', + 'default_value' : '120', + }, + 'net.netfilter.nf_conntrack_tcp_timeout_time_wait' :{ + 'cli' : ['global-options', 'timeout', 'tcp', 'time-wait'], + 'test_value' : '303', + 'default_value' : '120', + }, + 'net.netfilter.nf_conntrack_udp_timeout' :{ + 'cli' : ['global-options', 'timeout', 'udp', 'other'], + 'test_value' : '90', + 'default_value' : '30', + }, + 'net.netfilter.nf_conntrack_udp_timeout_stream' :{ + 'cli' : ['global-options', 'timeout', 'udp', 'stream'], + 'test_value' : '200', + 'default_value' : '180', + }, + } + + for parameter, parameter_config in timeout_config.items(): + self.cli_set(['firewall'] + parameter_config['cli'] + [parameter_config['test_value']]) + + # commit changes + self.cli_commit() + + # validate configuration + for parameter, parameter_config in timeout_config.items(): + tmp = parameter_config['test_value'] + self.assertEqual(get_sysctl(f'{parameter}'), tmp) + + # delete all configuration options and revert back to defaults + self.cli_delete(['firewall', 'global-options', 'timeout']) + self.cli_commit() + + # validate configuration + for parameter, parameter_config in timeout_config.items(): + self.assertEqual(get_sysctl(f'{parameter}'), parameter_config['default_value']) + ### Zone def test_zone_basic(self): self.cli_set(['firewall', 'ipv4', 'name', 'smoketest', 'default-action', 'drop']) -- cgit v1.2.3