diff options
| -rw-r--r-- | data/templates/firewall/nftables-defines.j2 | 21 | ||||
| -rw-r--r-- | interface-definitions/firewall.xml.in | 29 | ||||
| -rw-r--r-- | interface-definitions/include/firewall/add-dynamic-address-groups.xml.i | 34 | ||||
| -rw-r--r-- | interface-definitions/include/firewall/add-dynamic-ipv6-address-groups.xml.i | 34 | ||||
| -rw-r--r-- | interface-definitions/include/firewall/common-rule-ipv4.xml.i | 25 | ||||
| -rw-r--r-- | interface-definitions/include/firewall/common-rule-ipv6.xml.i | 25 | ||||
| -rw-r--r-- | interface-definitions/include/firewall/source-destination-dynamic-group-ipv6.xml.i | 17 | ||||
| -rw-r--r-- | interface-definitions/include/firewall/source-destination-dynamic-group.xml.i | 17 | ||||
| -rw-r--r-- | python/vyos/firewall.py | 20 | ||||
| -rwxr-xr-x | smoketest/scripts/cli/test_firewall.py | 81 | ||||
| -rwxr-xr-x | src/conf_mode/nat.py | 4 | ||||
| -rwxr-xr-x | src/conf_mode/policy_route.py | 4 | ||||
| -rwxr-xr-x | src/op_mode/firewall.py | 57 |
13 files changed, 350 insertions, 18 deletions
diff --git a/data/templates/firewall/nftables-defines.j2 b/data/templates/firewall/nftables-defines.j2 index a20c399ae..8a75ab2d6 100644 --- a/data/templates/firewall/nftables-defines.j2 +++ b/data/templates/firewall/nftables-defines.j2 @@ -98,5 +98,26 @@ } {% endfor %} {% endif %} + +{% if group.dynamic_group is vyos_defined %} +{% if group.dynamic_group.address_group is vyos_defined and not is_ipv6 and is_l3 %} +{% for group_name, group_conf in group.dynamic_group.address_group.items() %} + set DA_{{ group_name }} { + type {{ ip_type }} + flags dynamic, timeout + } +{% endfor %} +{% endif %} + +{% if group.dynamic_group.ipv6_address_group is vyos_defined and is_ipv6 and is_l3 %} +{% for group_name, group_conf in group.dynamic_group.ipv6_address_group.items() %} + set DA6_{{ group_name }} { + type {{ ip_type }} + flags dynamic, timeout + } +{% endfor %} +{% endif %} +{% endif %} + {% endif %} {% endmacro %} diff --git a/interface-definitions/firewall.xml.in b/interface-definitions/firewall.xml.in index a4023058f..662ba24ab 100644 --- a/interface-definitions/firewall.xml.in +++ b/interface-definitions/firewall.xml.in @@ -115,6 +115,35 @@ #include <include/generic-description.xml.i> </children> </tagNode> + <node name="dynamic-group"> + <properties> + <help>Firewall dynamic group</help> + </properties> + <children> + <tagNode name="address-group"> + <properties> + <help>Firewall dynamic address group</help> + <constraint> + <regex>[a-zA-Z0-9][\w\-\.]*</regex> + </constraint> + </properties> + <children> + #include <include/generic-description.xml.i> + </children> + </tagNode> + <tagNode name="ipv6-address-group"> + <properties> + <help>Firewall dynamic IPv6 address group</help> + <constraint> + <regex>[a-zA-Z0-9][\w\-\.]*</regex> + </constraint> + </properties> + <children> + #include <include/generic-description.xml.i> + </children> + </tagNode> + </children> + </node> <tagNode name="interface-group"> <properties> <help>Firewall interface-group</help> diff --git a/interface-definitions/include/firewall/add-dynamic-address-groups.xml.i b/interface-definitions/include/firewall/add-dynamic-address-groups.xml.i new file mode 100644 index 000000000..769761cb6 --- /dev/null +++ b/interface-definitions/include/firewall/add-dynamic-address-groups.xml.i @@ -0,0 +1,34 @@ +<!-- include start from firewall/add-dynamic-address-groups.xml.i --> +<leafNode name="address-group"> + <properties> + <help>Dynamic address-group</help> + <completionHelp> + <path>firewall group dynamic-group address-group</path> + </completionHelp> + </properties> +</leafNode> +<leafNode name="timeout"> + <properties> + <help>Set timeout</help> + <valueHelp> + <format><number>s</format> + <description>Timeout value in seconds</description> + </valueHelp> + <valueHelp> + <format><number>m</format> + <description>Timeout value in minutes</description> + </valueHelp> + <valueHelp> + <format><number>h</format> + <description>Timeout value in hours</description> + </valueHelp> + <valueHelp> + <format><number>d</format> + <description>Timeout value in days</description> + </valueHelp> + <constraint> + <regex>\d+(s|m|h|d)</regex> + </constraint> + </properties> +</leafNode> +<!-- include end -->
\ No newline at end of file diff --git a/interface-definitions/include/firewall/add-dynamic-ipv6-address-groups.xml.i b/interface-definitions/include/firewall/add-dynamic-ipv6-address-groups.xml.i new file mode 100644 index 000000000..7bd91c58a --- /dev/null +++ b/interface-definitions/include/firewall/add-dynamic-ipv6-address-groups.xml.i @@ -0,0 +1,34 @@ +<!-- include start from firewall/add-dynamic-ipv6-address-groups.xml.i --> +<leafNode name="address-group"> + <properties> + <help>Dynamic ipv6-address-group</help> + <completionHelp> + <path>firewall group dynamic-group ipv6-address-group</path> + </completionHelp> + </properties> +</leafNode> +<leafNode name="timeout"> + <properties> + <help>Set timeout</help> + <valueHelp> + <format><number>s</format> + <description>Timeout value in seconds</description> + </valueHelp> + <valueHelp> + <format><number>m</format> + <description>Timeout value in minutes</description> + </valueHelp> + <valueHelp> + <format><number>h</format> + <description>Timeout value in hours</description> + </valueHelp> + <valueHelp> + <format><number>d</format> + <description>Timeout value in days</description> + </valueHelp> + <constraint> + <regex>\d+(s|m|h|d)</regex> + </constraint> + </properties> +</leafNode> +<!-- include end -->
\ No newline at end of file diff --git a/interface-definitions/include/firewall/common-rule-ipv4.xml.i b/interface-definitions/include/firewall/common-rule-ipv4.xml.i index 4ed179ae7..158c7a662 100644 --- a/interface-definitions/include/firewall/common-rule-ipv4.xml.i +++ b/interface-definitions/include/firewall/common-rule-ipv4.xml.i @@ -1,6 +1,29 @@ <!-- include start from firewall/common-rule-ipv4.xml.i --> #include <include/firewall/common-rule-inet.xml.i> #include <include/firewall/ttl.xml.i> +<node name="add-address-to-group"> + <properties> + <help>Add ip address to dynamic address-group</help> + </properties> + <children> + <node name="source-address"> + <properties> + <help>Add source ip addresses to dynamic address-group</help> + </properties> + <children> + #include <include/firewall/add-dynamic-address-groups.xml.i> + </children> + </node> + <node name="destination-address"> + <properties> + <help>Add destination ip addresses to dynamic address-group</help> + </properties> + <children> + #include <include/firewall/add-dynamic-address-groups.xml.i> + </children> + </node> + </children> +</node> <node name="destination"> <properties> <help>Destination parameters</help> @@ -13,6 +36,7 @@ #include <include/firewall/mac-address.xml.i> #include <include/firewall/port.xml.i> #include <include/firewall/source-destination-group.xml.i> + #include <include/firewall/source-destination-dynamic-group.xml.i> </children> </node> <node name="icmp"> @@ -67,6 +91,7 @@ #include <include/firewall/mac-address.xml.i> #include <include/firewall/port.xml.i> #include <include/firewall/source-destination-group.xml.i> + #include <include/firewall/source-destination-dynamic-group.xml.i> </children> </node> <!-- include end -->
\ No newline at end of file diff --git a/interface-definitions/include/firewall/common-rule-ipv6.xml.i b/interface-definitions/include/firewall/common-rule-ipv6.xml.i index 6219557db..78eeb361e 100644 --- a/interface-definitions/include/firewall/common-rule-ipv6.xml.i +++ b/interface-definitions/include/firewall/common-rule-ipv6.xml.i @@ -1,6 +1,29 @@ <!-- include start from firewall/common-rule-ipv6.xml.i --> #include <include/firewall/common-rule-inet.xml.i> #include <include/firewall/hop-limit.xml.i> +<node name="add-address-to-group"> + <properties> + <help>Add ipv6 address to dynamic ipv6-address-group</help> + </properties> + <children> + <node name="source-address"> + <properties> + <help>Add source ipv6 addresses to dynamic ipv6-address-group</help> + </properties> + <children> + #include <include/firewall/add-dynamic-ipv6-address-groups.xml.i> + </children> + </node> + <node name="destination-address"> + <properties> + <help>Add destination ipv6 addresses to dynamic ipv6-address-group</help> + </properties> + <children> + #include <include/firewall/add-dynamic-ipv6-address-groups.xml.i> + </children> + </node> + </children> +</node> <node name="destination"> <properties> <help>Destination parameters</help> @@ -13,6 +36,7 @@ #include <include/firewall/mac-address.xml.i> #include <include/firewall/port.xml.i> #include <include/firewall/source-destination-group-ipv6.xml.i> + #include <include/firewall/source-destination-dynamic-group-ipv6.xml.i> </children> </node> <node name="icmpv6"> @@ -67,6 +91,7 @@ #include <include/firewall/mac-address.xml.i> #include <include/firewall/port.xml.i> #include <include/firewall/source-destination-group-ipv6.xml.i> + #include <include/firewall/source-destination-dynamic-group-ipv6.xml.i> </children> </node> <!-- include end -->
\ No newline at end of file diff --git a/interface-definitions/include/firewall/source-destination-dynamic-group-ipv6.xml.i b/interface-definitions/include/firewall/source-destination-dynamic-group-ipv6.xml.i new file mode 100644 index 000000000..845f8fe7c --- /dev/null +++ b/interface-definitions/include/firewall/source-destination-dynamic-group-ipv6.xml.i @@ -0,0 +1,17 @@ +<!-- include start from firewall/source-destination-dynamic-group-ipv6.xml.i --> +<node name="group"> + <properties> + <help>Group</help> + </properties> + <children> + <leafNode name="dynamic-address-group"> + <properties> + <help>Group of dynamic ipv6 addresses</help> + <completionHelp> + <path>firewall group dynamic-group ipv6-address-group</path> + </completionHelp> + </properties> + </leafNode> + </children> +</node> +<!-- include end --> diff --git a/interface-definitions/include/firewall/source-destination-dynamic-group.xml.i b/interface-definitions/include/firewall/source-destination-dynamic-group.xml.i new file mode 100644 index 000000000..29ab98c68 --- /dev/null +++ b/interface-definitions/include/firewall/source-destination-dynamic-group.xml.i @@ -0,0 +1,17 @@ +<!-- include start from firewall/source-destination-dynamic-group.xml.i --> +<node name="group"> + <properties> + <help>Group</help> + </properties> + <children> + <leafNode name="dynamic-address-group"> + <properties> + <help>Group of dynamic addresses</help> + <completionHelp> + <path>firewall group dynamic-group address-group</path> + </completionHelp> + </properties> + </leafNode> + </children> +</node> +<!-- include end --> diff --git a/python/vyos/firewall.py b/python/vyos/firewall.py index 28ebf282c..eee11bd2d 100644 --- a/python/vyos/firewall.py +++ b/python/vyos/firewall.py @@ -226,6 +226,14 @@ def parse_rule(rule_conf, hook, fw_name, rule_id, ip_name): operator = '!=' if exclude else '==' operator = f'& {address_mask} {operator}' output.append(f'{ip_name} {prefix}addr {operator} @A{def_suffix}_{group_name}') + elif 'dynamic_address_group' in group: + group_name = group['dynamic_address_group'] + operator = '' + exclude = group_name[0] == "!" + if exclude: + operator = '!=' + group_name = group_name[1:] + output.append(f'{ip_name} {prefix}addr {operator} @DA{def_suffix}_{group_name}') # Generate firewall group domain-group elif 'domain_group' in group: group_name = group['domain_group'] @@ -419,6 +427,18 @@ def parse_rule(rule_conf, hook, fw_name, rule_id, ip_name): output.append('counter') + if 'add_address_to_group' in rule_conf: + for side in ['destination_address', 'source_address']: + if side in rule_conf['add_address_to_group']: + prefix = side[0] + side_conf = rule_conf['add_address_to_group'][side] + dyn_group = side_conf['address_group'] + if 'timeout' in side_conf: + timeout_value = side_conf['timeout'] + output.append(f'set update ip{def_suffix} {prefix}addr timeout {timeout_value} @DA{def_suffix}_{dyn_group}') + else: + output.append(f'set update ip{def_suffix} saddr @DA{def_suffix}_{dyn_group}') + if 'set' in rule_conf: output.append(parse_policy_set(rule_conf['set'], def_suffix)) diff --git a/smoketest/scripts/cli/test_firewall.py b/smoketest/scripts/cli/test_firewall.py index 72fbdb37d..a7dd11145 100755 --- a/smoketest/scripts/cli/test_firewall.py +++ b/smoketest/scripts/cli/test_firewall.py @@ -403,6 +403,46 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase): self.verify_nftables(nftables_search, 'ip vyos_filter') + def test_ipv4_dynamic_groups(self): + group01 = 'knock01' + group02 = 'allowed' + + self.cli_set(['firewall', 'group', 'dynamic-group', 'address-group', group01]) + self.cli_set(['firewall', 'group', 'dynamic-group', 'address-group', group02]) + + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'action', 'drop']) + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'protocol', 'tcp']) + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'destination', 'port', '5151']) + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'add-address-to-group', 'source-address', 'address-group', group01]) + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'add-address-to-group', 'source-address', 'timeout', '30s']) + + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '20', 'action', 'drop']) + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '20', 'protocol', 'tcp']) + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '20', 'destination', 'port', '7272']) + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '20', 'source', 'group', 'dynamic-address-group', group01]) + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '20', 'add-address-to-group', 'source-address', 'address-group', group02]) + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '20', 'add-address-to-group', 'source-address', 'timeout', '5m']) + + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '30', 'action', 'accept']) + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '30', 'protocol', 'tcp']) + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '30', 'destination', 'port', '22']) + self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '30', 'source', 'group', 'dynamic-address-group', group02]) + + self.cli_commit() + + nftables_search = [ + [f'DA_{group01}'], + [f'DA_{group02}'], + ['type ipv4_addr'], + ['flags dynamic,timeout'], + ['chain VYOS_INPUT_filter {'], + ['type filter hook input priority filter', 'policy accept'], + ['tcp dport 5151', f'update @DA_{group01}', '{ ip saddr timeout 30s }', 'drop'], + ['tcp dport 7272', f'ip saddr @DA_{group01}', f'update @DA_{group02}', '{ ip saddr timeout 5m }', 'drop'], + ['tcp dport 22', f'ip saddr @DA_{group02}', 'accept'] + ] + + self.verify_nftables(nftables_search, 'ip vyos_filter') def test_ipv6_basic_rules(self): name = 'v6-smoketest' @@ -540,6 +580,47 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase): self.verify_nftables(nftables_search, 'ip6 vyos_filter') + def test_ipv6_dynamic_groups(self): + group01 = 'knock01' + group02 = 'allowed' + + self.cli_set(['firewall', 'group', 'dynamic-group', 'ipv6-address-group', group01]) + self.cli_set(['firewall', 'group', 'dynamic-group', 'ipv6-address-group', group02]) + + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '10', 'action', 'drop']) + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '10', 'protocol', 'tcp']) + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '10', 'destination', 'port', '5151']) + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '10', 'add-address-to-group', 'source-address', 'address-group', group01]) + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '10', 'add-address-to-group', 'source-address', 'timeout', '30s']) + + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '20', 'action', 'drop']) + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '20', 'protocol', 'tcp']) + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '20', 'destination', 'port', '7272']) + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '20', 'source', 'group', 'dynamic-address-group', group01]) + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '20', 'add-address-to-group', 'source-address', 'address-group', group02]) + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '20', 'add-address-to-group', 'source-address', 'timeout', '5m']) + + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '30', 'action', 'accept']) + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '30', 'protocol', 'tcp']) + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '30', 'destination', 'port', '22']) + self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '30', 'source', 'group', 'dynamic-address-group', group02]) + + self.cli_commit() + + nftables_search = [ + [f'DA6_{group01}'], + [f'DA6_{group02}'], + ['type ipv6_addr'], + ['flags dynamic,timeout'], + ['chain VYOS_IPV6_INPUT_filter {'], + ['type filter hook input priority filter', 'policy accept'], + ['tcp dport 5151', f'update @DA6_{group01}', '{ ip6 saddr timeout 30s }', 'drop'], + ['tcp dport 7272', f'ip6 saddr @DA6_{group01}', f'update @DA6_{group02}', '{ ip6 saddr timeout 5m }', 'drop'], + ['tcp dport 22', f'ip6 saddr @DA6_{group02}', 'accept'] + ] + + self.verify_nftables(nftables_search, 'ip6 vyos_filter') + def test_ipv4_state_and_status_rules(self): name = 'smoketest-state' interface = 'eth0' diff --git a/src/conf_mode/nat.py b/src/conf_mode/nat.py index bd9b5162c..26822b755 100755 --- a/src/conf_mode/nat.py +++ b/src/conf_mode/nat.py @@ -69,6 +69,10 @@ def get_config(config=None): nat['firewall_group'] = conf.get_config_dict(['firewall', 'group'], key_mangling=('-', '_'), get_first_key=True, no_tag_node_value_mangle=True) + # Remove dynamic firewall groups if present: + if 'dynamic_group' in nat['firewall_group']: + del nat['firewall_group']['dynamic_group'] + return nat def verify_rule(config, err_msg, groups_dict): diff --git a/src/conf_mode/policy_route.py b/src/conf_mode/policy_route.py index adad012de..6d7a06714 100755 --- a/src/conf_mode/policy_route.py +++ b/src/conf_mode/policy_route.py @@ -53,6 +53,10 @@ def get_config(config=None): policy['firewall_group'] = conf.get_config_dict(['firewall', 'group'], key_mangling=('-', '_'), get_first_key=True, no_tag_node_value_mangle=True) + # Remove dynamic firewall groups if present: + if 'dynamic_group' in policy['firewall_group']: + del policy['firewall_group']['dynamic_group'] + return policy def verify_rule(policy, name, rule_conf, ipv6, rule_id): diff --git a/src/op_mode/firewall.py b/src/op_mode/firewall.py index 36bb013fe..4dcffc412 100755 --- a/src/op_mode/firewall.py +++ b/src/op_mode/firewall.py @@ -327,6 +327,8 @@ def show_firewall_group(name=None): dest_group = dict_search_args(rule_conf, 'destination', 'group', group_type) in_interface = dict_search_args(rule_conf, 'inbound_interface', 'group') out_interface = dict_search_args(rule_conf, 'outbound_interface', 'group') + dyn_group_source = dict_search_args(rule_conf, 'add_address_to_group', 'source_address', group_type) + dyn_group_dst = dict_search_args(rule_conf, 'add_address_to_group', 'destination_address', group_type) if source_group: if source_group[0] == "!": source_group = source_group[1:] @@ -348,6 +350,14 @@ def show_firewall_group(name=None): if group_name == out_interface: out.append(f'{item}-{name_type}-{priority}-{rule_id}') + if dyn_group_source: + if group_name == dyn_group_source: + out.append(f'{item}-{name_type}-{priority}-{rule_id}') + if dyn_group_dst: + if group_name == dyn_group_dst: + out.append(f'{item}-{name_type}-{priority}-{rule_id}') + + # Look references in route | route6 for name_type in ['route', 'route6']: if name_type not in policy: @@ -423,26 +433,37 @@ def show_firewall_group(name=None): rows = [] for group_type, group_type_conf in firewall['group'].items(): - for group_name, group_conf in group_type_conf.items(): - if name and name != group_name: - continue + ## + if group_type != 'dynamic_group': - references = find_references(group_type, group_name) - row = [group_name, group_type, '\n'.join(references) or 'N/D'] - if 'address' in group_conf: - row.append("\n".join(sorted(group_conf['address']))) - elif 'network' in group_conf: - row.append("\n".join(sorted(group_conf['network'], key=ipaddress.ip_network))) - elif 'mac_address' in group_conf: - row.append("\n".join(sorted(group_conf['mac_address']))) - elif 'port' in group_conf: - row.append("\n".join(sorted(group_conf['port']))) - elif 'interface' in group_conf: - row.append("\n".join(sorted(group_conf['interface']))) - else: - row.append('N/D') - rows.append(row) + for group_name, group_conf in group_type_conf.items(): + if name and name != group_name: + continue + references = find_references(group_type, group_name) + row = [group_name, group_type, '\n'.join(references) or 'N/D'] + if 'address' in group_conf: + row.append("\n".join(sorted(group_conf['address']))) + elif 'network' in group_conf: + row.append("\n".join(sorted(group_conf['network'], key=ipaddress.ip_network))) + elif 'mac_address' in group_conf: + row.append("\n".join(sorted(group_conf['mac_address']))) + elif 'port' in group_conf: + row.append("\n".join(sorted(group_conf['port']))) + elif 'interface' in group_conf: + row.append("\n".join(sorted(group_conf['interface']))) + else: + row.append('N/D') + rows.append(row) + + else: + for dynamic_type in ['address_group', 'ipv6_address_group']: + if dynamic_type in firewall['group']['dynamic_group']: + for dynamic_name, dynamic_conf in firewall['group']['dynamic_group'][dynamic_type].items(): + references = find_references(dynamic_type, dynamic_name) + row = [dynamic_name, dynamic_type + '(dynamic)', '\n'.join(references) or 'N/D'] + row.append('N/D') + rows.append(row) if rows: print('Firewall Groups\n') |