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-rw-r--r--data/templates/firewall/nftables-zone.j269
-rw-r--r--data/templates/firewall/nftables.j238
-rw-r--r--interface-definitions/firewall.xml.in142
-rw-r--r--interface-definitions/include/firewall/ipv4-hook-forward.xml.i1
-rw-r--r--interface-definitions/include/firewall/ipv4-hook-input.xml.i1
-rw-r--r--interface-definitions/include/firewall/ipv4-hook-output.xml.i1
-rw-r--r--interface-definitions/include/firewall/ipv6-hook-forward.xml.i1
-rw-r--r--interface-definitions/include/firewall/ipv6-hook-input.xml.i1
-rw-r--r--interface-definitions/include/firewall/ipv6-hook-output.xml.i1
-rw-r--r--interface-definitions/include/version/cluster-version.xml.i2
-rw-r--r--python/vyos/template.py3
-rwxr-xr-xsmoketest/scripts/cli/test_firewall.py66
-rwxr-xr-xsrc/conf_mode/firewall.py70
-rwxr-xr-xsrc/migration-scripts/cluster/1-to-2193
-rwxr-xr-xsrc/migration-scripts/firewall/10-to-11185
15 files changed, 564 insertions, 210 deletions
diff --git a/data/templates/firewall/nftables-zone.j2 b/data/templates/firewall/nftables-zone.j2
new file mode 100644
index 000000000..1e9351f97
--- /dev/null
+++ b/data/templates/firewall/nftables-zone.j2
@@ -0,0 +1,69 @@
+
+{% macro zone_chains(zone, ipv6=False) %}
+{% set fw_name = 'ipv6_name' if ipv6 else 'name' %}
+{% set suffix = '6' if ipv6 else '' %}
+ chain VYOS_ZONE_FORWARD {
+ type filter hook forward priority 1; policy accept;
+{% for zone_name, zone_conf in zone.items() %}
+{% if 'local_zone' not in zone_conf %}
+ oifname { {{ zone_conf.interface | join(',') }} } counter jump VZONE_{{ zone_name }}
+{% endif %}
+{% endfor %}
+ }
+ chain VYOS_ZONE_LOCAL {
+ type filter hook input priority 1; policy accept;
+{% for zone_name, zone_conf in zone.items() %}
+{% if 'local_zone' in zone_conf %}
+ counter jump VZONE_{{ zone_name }}_IN
+{% endif %}
+{% endfor %}
+ }
+ chain VYOS_ZONE_OUTPUT {
+ type filter hook output priority 1; policy accept;
+{% for zone_name, zone_conf in zone.items() %}
+{% if 'local_zone' in zone_conf %}
+ counter jump VZONE_{{ zone_name }}_OUT
+{% endif %}
+{% endfor %}
+ }
+{% for zone_name, zone_conf in zone.items() %}
+{% if zone_conf.local_zone is vyos_defined %}
+ chain VZONE_{{ zone_name }}_IN {
+ iifname lo counter return
+{% if zone_conf.from is vyos_defined %}
+{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall[fw_name] is vyos_defined %}
+ iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME{{ suffix }}_{{ from_conf.firewall[fw_name] }}
+ iifname { {{ zone[from_zone].interface | join(",") }} } counter return
+{% endfor %}
+{% endif %}
+ {{ zone_conf | nft_default_rule('zone_' + zone_name) }}
+ }
+ chain VZONE_{{ zone_name }}_OUT {
+ oifname lo counter return
+{% if zone_conf.from_local is vyos_defined %}
+{% for from_zone, from_conf in zone_conf.from_local.items() if from_conf.firewall[fw_name] is vyos_defined %}
+ oifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME{{ suffix }}_{{ from_conf.firewall[fw_name] }}
+ oifname { {{ zone[from_zone].interface | join(",") }} } counter return
+{% endfor %}
+{% endif %}
+ {{ zone_conf | nft_default_rule('zone_' + zone_name) }}
+ }
+{% else %}
+ chain VZONE_{{ zone_name }} {
+ iifname { {{ zone_conf.interface | join(",") }} } counter {{ zone_conf | nft_intra_zone_action(ipv6) }}
+{% if zone_conf.intra_zone_filtering is vyos_defined %}
+ iifname { {{ zone_conf.interface | join(",") }} } counter return
+{% endif %}
+{% if zone_conf.from is vyos_defined %}
+{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall[fw_name] is vyos_defined %}
+{% if zone[from_zone].local_zone is not defined %}
+ iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME{{ suffix }}_{{ from_conf.firewall[fw_name] }}
+ iifname { {{ zone[from_zone].interface | join(",") }} } counter return
+{% endif %}
+{% endfor %}
+{% endif %}
+ {{ zone_conf | nft_default_rule('zone_' + zone_name) }}
+ }
+{% endif %}
+{% endfor %}
+{% endmacro %} \ No newline at end of file
diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2
index 75800ee3d..e24a9655d 100644
--- a/data/templates/firewall/nftables.j2
+++ b/data/templates/firewall/nftables.j2
@@ -3,6 +3,7 @@
{% import 'firewall/nftables-defines.j2' as group_tmpl %}
{% import 'firewall/nftables-bridge.j2' as bridge_tmpl %}
{% import 'firewall/nftables-offload.j2' as offload_tmpl %}
+{% import 'firewall/nftables-zone.j2' as zone_tmpl %}
flush chain raw vyos_global_rpfilter
flush chain ip6 raw vyos_global_rpfilter
@@ -43,9 +44,8 @@ table ip vyos_filter {
{% set ns = namespace(sets=[]) %}
{% if ipv4.forward is vyos_defined %}
{% for prior, conf in ipv4.forward.items() %}
-{% set def_action = conf.default_action %}
chain VYOS_FORWARD_{{ prior }} {
- type filter hook forward priority {{ prior }}; policy {{ def_action }};
+ type filter hook forward priority {{ prior }}; policy accept;
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('FWD', prior, rule_id) }}
@@ -54,15 +54,15 @@ table ip vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
+ {{ conf | nft_default_rule('FWD-filter') }}
}
{% endfor %}
{% endif %}
{% if ipv4.input is vyos_defined %}
{% for prior, conf in ipv4.input.items() %}
-{% set def_action = conf.default_action %}
chain VYOS_INPUT_{{ prior }} {
- type filter hook input priority {{ prior }}; policy {{ def_action }};
+ type filter hook input priority {{ prior }}; policy accept;
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('INP',prior, rule_id) }}
@@ -71,15 +71,15 @@ table ip vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
+ {{ conf | nft_default_rule('INP-filter') }}
}
{% endfor %}
{% endif %}
{% if ipv4.output is vyos_defined %}
{% for prior, conf in ipv4.output.items() %}
-{% set def_action = conf.default_action %}
chain VYOS_OUTPUT_{{ prior }} {
- type filter hook output priority {{ prior }}; policy {{ def_action }};
+ type filter hook output priority {{ prior }}; policy accept;
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('OUT', prior, rule_id) }}
@@ -88,6 +88,7 @@ table ip vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
+ {{ conf | nft_default_rule('OUT-filter') }}
}
{% endfor %}
{% endif %}
@@ -97,9 +98,8 @@ table ip vyos_filter {
}
{% if ipv4.prerouting is vyos_defined %}
{% for prior, conf in ipv4.prerouting.items() %}
-{% set def_action = conf.default_action %}
chain VYOS_PREROUTING_{{ prior }} {
- type filter hook prerouting priority {{ prior }}; policy {{ def_action }};
+ type filter hook prerouting priority {{ prior }}; policy accept;
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('PRE', prior, rule_id) }}
@@ -108,7 +108,7 @@ table ip vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
- {{ conf | nft_default_rule(prior) }}
+ {{ conf | nft_default_rule('PRE-filter') }}
}
{% endfor %}
{% endif %}
@@ -152,6 +152,10 @@ table ip vyos_filter {
{% endif %}
{% endif %}
{{ group_tmpl.groups(group, False, True) }}
+
+{% if zone is vyos_defined %}
+{{ zone_tmpl.zone_chains(zone, False) }}
+{% endif %}
}
{% if first_install is not vyos_defined %}
@@ -168,9 +172,8 @@ table ip6 vyos_filter {
{% set ns = namespace(sets=[]) %}
{% if ipv6.forward is vyos_defined %}
{% for prior, conf in ipv6.forward.items() %}
-{% set def_action = conf.default_action %}
chain VYOS_IPV6_FORWARD_{{ prior }} {
- type filter hook forward priority {{ prior }}; policy {{ def_action }};
+ type filter hook forward priority {{ prior }}; policy accept;
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('FWD', prior, rule_id ,'ip6') }}
@@ -179,15 +182,15 @@ table ip6 vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
+ {{ conf | nft_default_rule('FWD-filter', ipv6=True) }}
}
{% endfor %}
{% endif %}
{% if ipv6.input is vyos_defined %}
{% for prior, conf in ipv6.input.items() %}
-{% set def_action = conf.default_action %}
chain VYOS_IPV6_INPUT_{{ prior }} {
- type filter hook input priority {{ prior }}; policy {{ def_action }};
+ type filter hook input priority {{ prior }}; policy accept;
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('INP', prior, rule_id ,'ip6') }}
@@ -196,15 +199,15 @@ table ip6 vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
+ {{ conf | nft_default_rule('INP-filter', ipv6=True) }}
}
{% endfor %}
{% endif %}
{% if ipv6.output is vyos_defined %}
{% for prior, conf in ipv6.output.items() %}
-{% set def_action = conf.default_action %}
chain VYOS_IPV6_OUTPUT_{{ prior }} {
- type filter hook output priority {{ prior }}; policy {{ def_action }};
+ type filter hook output priority {{ prior }}; policy accept;
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('OUT', prior, rule_id ,'ip6') }}
@@ -213,6 +216,7 @@ table ip6 vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
+ {{ conf | nft_default_rule('OUT-filter', ipv6=True) }}
}
{% endfor %}
{% endif %}
@@ -261,6 +265,9 @@ table ip6 vyos_filter {
{% endif %}
{% endif %}
{{ group_tmpl.groups(group, True, True) }}
+{% if zone is vyos_defined %}
+{{ zone_tmpl.zone_chains(zone, True) }}
+{% endif %}
}
## Bridge Firewall
@@ -270,4 +277,5 @@ delete table bridge vyos_filter
table bridge vyos_filter {
{{ bridge_tmpl.bridge(bridge) }}
{{ group_tmpl.groups(group, False, False) }}
+
}
diff --git a/interface-definitions/firewall.xml.in b/interface-definitions/firewall.xml.in
index 81e6b89ea..0bb14a1b3 100644
--- a/interface-definitions/firewall.xml.in
+++ b/interface-definitions/firewall.xml.in
@@ -355,6 +355,148 @@
#include <include/firewall/ipv6-custom-name.xml.i>
</children>
</node>
+ <tagNode name="zone">
+ <properties>
+ <help>Zone-policy</help>
+ <valueHelp>
+ <format>txt</format>
+ <description>Zone name</description>
+ </valueHelp>
+ <constraint>
+ <regex>[a-zA-Z0-9][\w\-\.]*</regex>
+ </constraint>
+ </properties>
+ <children>
+ #include <include/generic-description.xml.i>
+ #include <include/firewall/enable-default-log.xml.i>
+ <leafNode name="default-action">
+ <properties>
+ <help>Default-action for traffic coming into this zone</help>
+ <completionHelp>
+ <list>drop reject</list>
+ </completionHelp>
+ <valueHelp>
+ <format>drop</format>
+ <description>Drop silently</description>
+ </valueHelp>
+ <valueHelp>
+ <format>reject</format>
+ <description>Drop and notify source</description>
+ </valueHelp>
+ <constraint>
+ <regex>(drop|reject)</regex>
+ </constraint>
+ </properties>
+ <defaultValue>drop</defaultValue>
+ </leafNode>
+ <tagNode name="from">
+ <properties>
+ <help>Zone from which to filter traffic</help>
+ <completionHelp>
+ <path>zone-policy zone</path>
+ </completionHelp>
+ </properties>
+ <children>
+ <node name="firewall">
+ <properties>
+ <help>Firewall options</help>
+ </properties>
+ <children>
+ <leafNode name="ipv6-name">
+ <properties>
+ <help>IPv6 firewall ruleset</help>
+ <completionHelp>
+ <path>firewall ipv6 name</path>
+ </completionHelp>
+ </properties>
+ </leafNode>
+ <leafNode name="name">
+ <properties>
+ <help>IPv4 firewall ruleset</help>
+ <completionHelp>
+ <path>firewall ipv4 name</path>
+ </completionHelp>
+ </properties>
+ </leafNode>
+ </children>
+ </node>
+ </children>
+ </tagNode>
+ <leafNode name="interface">
+ <properties>
+ <help>Interface associated with zone</help>
+ <valueHelp>
+ <format>txt</format>
+ <description>Interface associated with zone</description>
+ </valueHelp>
+ <valueHelp>
+ <format>vrf</format>
+ <description>VRF associated with zone</description>
+ </valueHelp>
+ <completionHelp>
+ <script>${vyos_completion_dir}/list_interfaces</script>
+ <path>vrf name</path>
+ </completionHelp>
+ <multi/>
+ </properties>
+ </leafNode>
+ <node name="intra-zone-filtering">
+ <properties>
+ <help>Intra-zone filtering</help>
+ </properties>
+ <children>
+ <leafNode name="action">
+ <properties>
+ <help>Action for intra-zone traffic</help>
+ <completionHelp>
+ <list>accept drop</list>
+ </completionHelp>
+ <valueHelp>
+ <format>accept</format>
+ <description>Accept traffic</description>
+ </valueHelp>
+ <valueHelp>
+ <format>drop</format>
+ <description>Drop silently</description>
+ </valueHelp>
+ <constraint>
+ <regex>(accept|drop)</regex>
+ </constraint>
+ </properties>
+ </leafNode>
+ <node name="firewall">
+ <properties>
+ <help>Use the specified firewall chain</help>
+ </properties>
+ <children>
+ <leafNode name="ipv6-name">
+ <properties>
+ <help>IPv6 firewall ruleset</help>
+ <completionHelp>
+ <path>firewall ipv6 name</path>
+ </completionHelp>
+ </properties>
+ </leafNode>
+ <leafNode name="name">
+ <properties>
+ <help>IPv4 firewall ruleset</help>
+ <completionHelp>
+ <path>firewall ipv4 name</path>
+ </completionHelp>
+ </properties>
+ </leafNode>
+ </children>
+ </node>
+ </children>
+ </node>
+ <leafNode name="local-zone">
+ <properties>
+ <help>Zone to be local-zone</help>
+ <valueless/>
+ </properties>
+ </leafNode>
+ </children>
+ </tagNode>
</children>
</node>
</interfaceDefinition>
diff --git a/interface-definitions/include/firewall/ipv4-hook-forward.xml.i b/interface-definitions/include/firewall/ipv4-hook-forward.xml.i
index 70c0adb77..100f1c3d9 100644
--- a/interface-definitions/include/firewall/ipv4-hook-forward.xml.i
+++ b/interface-definitions/include/firewall/ipv4-hook-forward.xml.i
@@ -10,6 +10,7 @@
</properties>
<children>
#include <include/firewall/default-action-base-chains.xml.i>
+ #include <include/firewall/enable-default-log.xml.i>
#include <include/generic-description.xml.i>
<tagNode name="rule">
<properties>
diff --git a/interface-definitions/include/firewall/ipv4-hook-input.xml.i b/interface-definitions/include/firewall/ipv4-hook-input.xml.i
index 32b0ec94f..22546640b 100644
--- a/interface-definitions/include/firewall/ipv4-hook-input.xml.i
+++ b/interface-definitions/include/firewall/ipv4-hook-input.xml.i
@@ -10,6 +10,7 @@
</properties>
<children>
#include <include/firewall/default-action-base-chains.xml.i>
+ #include <include/firewall/enable-default-log.xml.i>
#include <include/generic-description.xml.i>
<tagNode name="rule">
<properties>
diff --git a/interface-definitions/include/firewall/ipv4-hook-output.xml.i b/interface-definitions/include/firewall/ipv4-hook-output.xml.i
index d50d1e93b..80c30cdeb 100644
--- a/interface-definitions/include/firewall/ipv4-hook-output.xml.i
+++ b/interface-definitions/include/firewall/ipv4-hook-output.xml.i
@@ -10,6 +10,7 @@
</properties>
<children>
#include <include/firewall/default-action-base-chains.xml.i>
+ #include <include/firewall/enable-default-log.xml.i>
#include <include/generic-description.xml.i>
<tagNode name="rule">
<properties>
diff --git a/interface-definitions/include/firewall/ipv6-hook-forward.xml.i b/interface-definitions/include/firewall/ipv6-hook-forward.xml.i
index d83827161..fb38267eb 100644
--- a/interface-definitions/include/firewall/ipv6-hook-forward.xml.i
+++ b/interface-definitions/include/firewall/ipv6-hook-forward.xml.i
@@ -10,6 +10,7 @@
</properties>
<children>
#include <include/firewall/default-action-base-chains.xml.i>
+ #include <include/firewall/enable-default-log.xml.i>
#include <include/generic-description.xml.i>
<tagNode name="rule">
<properties>
diff --git a/interface-definitions/include/firewall/ipv6-hook-input.xml.i b/interface-definitions/include/firewall/ipv6-hook-input.xml.i
index e34958f28..49d4493cc 100644
--- a/interface-definitions/include/firewall/ipv6-hook-input.xml.i
+++ b/interface-definitions/include/firewall/ipv6-hook-input.xml.i
@@ -10,6 +10,7 @@
</properties>
<children>
#include <include/firewall/default-action-base-chains.xml.i>
+ #include <include/firewall/enable-default-log.xml.i>
#include <include/generic-description.xml.i>
<tagNode name="rule">
<properties>
diff --git a/interface-definitions/include/firewall/ipv6-hook-output.xml.i b/interface-definitions/include/firewall/ipv6-hook-output.xml.i
index eb4ea7ac3..452b9027f 100644
--- a/interface-definitions/include/firewall/ipv6-hook-output.xml.i
+++ b/interface-definitions/include/firewall/ipv6-hook-output.xml.i
@@ -10,6 +10,7 @@
</properties>
<children>
#include <include/firewall/default-action-base-chains.xml.i>
+ #include <include/firewall/enable-default-log.xml.i>
#include <include/generic-description.xml.i>
<tagNode name="rule">
<properties>
diff --git a/interface-definitions/include/version/cluster-version.xml.i b/interface-definitions/include/version/cluster-version.xml.i
index 621996df4..402fe36c5 100644
--- a/interface-definitions/include/version/cluster-version.xml.i
+++ b/interface-definitions/include/version/cluster-version.xml.i
@@ -1,3 +1,3 @@
<!-- include start from include/version/cluster-version.xml.i -->
-<syntaxVersion component='cluster' version='1'></syntaxVersion>
+<syntaxVersion component='cluster' version='2'></syntaxVersion>
<!-- include end -->
diff --git a/python/vyos/template.py b/python/vyos/template.py
index 3be486cc4..c778d0de8 100644
--- a/python/vyos/template.py
+++ b/python/vyos/template.py
@@ -582,10 +582,11 @@ def nft_rule(rule_conf, fw_hook, fw_name, rule_id, ip_name='ip'):
def nft_default_rule(fw_conf, fw_name, ipv6=False):
output = ['counter']
default_action = fw_conf['default_action']
+ family = 'ipv6' if ipv6 else 'ipv4'
if 'enable_default_log' in fw_conf:
action_suffix = default_action[:1].upper()
- output.append(f'log prefix "[{fw_name[:19]}-default-{action_suffix}]"')
+ output.append(f'log prefix "[{family}-{fw_name[:19]}-default-{action_suffix}]"')
#output.append(nft_action(default_action))
output.append(f'{default_action}')
diff --git a/smoketest/scripts/cli/test_firewall.py b/smoketest/scripts/cli/test_firewall.py
index 7b4ba11d0..0de4354d2 100755
--- a/smoketest/scripts/cli/test_firewall.py
+++ b/smoketest/scripts/cli/test_firewall.py
@@ -226,6 +226,7 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'ttl', 'gt', '102'])
self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'default-action', 'drop'])
+ self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'enable-default-log'])
self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '3', 'action', 'accept'])
self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '3', 'protocol', 'tcp'])
self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '3', 'destination', 'port', '22'])
@@ -248,7 +249,8 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '6', 'protocol', 'gre'])
self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '6', 'connection-mark', conn_mark])
- self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'default-action', 'accept'])
+ self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'default-action', 'drop'])
+ self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'enable-default-log'])
self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'rule', '5', 'action', 'drop'])
self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'rule', '5', 'protocol', 'gre'])
self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'rule', '5', 'outbound-interface', 'interface-name', interface_inv])
@@ -262,21 +264,24 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
nftables_search = [
['chain VYOS_FORWARD_filter'],
- ['type filter hook forward priority filter; policy drop;'],
+ ['type filter hook forward priority filter; policy accept;'],
['tcp dport 22', 'limit rate 5/minute', 'accept'],
['tcp dport 22', 'add @RECENT_FWD_filter_4 { ip saddr limit rate over 10/minute burst 10 packets }', 'meta pkttype host', 'drop'],
+ ['log prefix "[ipv4-FWD-filter-default-D]"','FWD-filter default-action drop', 'drop'],
['chain VYOS_INPUT_filter'],
['type filter hook input priority filter; policy accept;'],
['tcp flags & syn == syn', f'tcp option maxseg size {mss_range}', f'iifname "{interface_wc}"', 'meta pkttype broadcast', 'accept'],
['meta l4proto gre', f'ct mark {mark_hex}', 'return'],
+ ['INP-filter default-action accept', 'accept'],
['chain VYOS_OUTPUT_filter'],
['type filter hook output priority filter; policy accept;'],
['meta l4proto gre', f'oifname != "{interface}"', 'drop'],
['meta l4proto icmp', f'ct mark {mark_hex}', 'return'],
+ ['log prefix "[ipv4-OUT-filter-default-D]"','OUT-filter default-action drop', 'drop'],
['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'],
['tcp flags syn / syn,ack', 'tcp dport 8888', 'log prefix "[ipv4-NAM-smoketest-2-R]" log level err', 'ip ttl > 102', 'reject'],
- ['log prefix "[smoketest-default-D]"','smoketest default-action', 'drop']
+ ['log prefix "[ipv4-smoketest-default-D]"','smoketest default-action', 'drop']
]
self.verify_nftables(nftables_search, 'ip vyos_filter')
@@ -326,16 +331,18 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
nftables_search = [
['chain VYOS_FORWARD_filter'],
- ['type filter hook forward priority filter; policy drop;'],
+ ['type filter hook forward priority filter; policy accept;'],
['ip saddr 198.51.100.1', 'meta mark 0x000003f2', f'jump NAME_{name}'],
+ ['FWD-filter default-action drop', 'drop'],
['chain VYOS_INPUT_filter'],
['type filter hook input priority filter; policy accept;'],
['meta mark != 0x000181cd', 'meta l4proto tcp','queue to 3'],
['meta l4proto udp','queue flags bypass,fanout to 0-15'],
+ ['INP-filter default-action accept', 'accept'],
[f'chain NAME_{name}'],
['ip length { 64, 512, 1024 }', 'ip dscp { 0x11, 0x34 }', f'log prefix "[ipv4-NAM-{name}-6-A]" log group 66 snaplen 6666 queue-threshold 32000', 'accept'],
['ip length 1-30000', 'ip length != 60000-65535', 'ip dscp 0x03-0x0b', 'ip dscp != 0x15-0x19', 'accept'],
- [f'log prefix "[{name}-default-D]"', 'drop']
+ [f'log prefix "[ipv4-{name}-default-D]"', 'drop']
]
self.verify_nftables(nftables_search, 'ip vyos_filter')
@@ -411,12 +418,14 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
self.cli_set(['firewall', 'ipv6', 'name', name, 'rule', '1', 'log-options', 'level', 'crit'])
self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'default-action', 'accept'])
+ self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'enable-default-log'])
self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '2', 'action', 'reject'])
self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '2', 'protocol', 'tcp_udp'])
self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '2', 'destination', 'port', '8888'])
self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '2', 'inbound-interface', 'interface-name', interface])
self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'default-action', 'drop'])
+ self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'enable-default-log'])
self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'rule', '3', 'action', 'return'])
self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'rule', '3', 'protocol', 'gre'])
self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'rule', '3', 'outbound-interface', 'interface-name', interface])
@@ -432,15 +441,18 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
['chain VYOS_IPV6_FORWARD_filter'],
['type filter hook forward priority filter; policy accept;'],
['meta l4proto { tcp, udp }', 'th dport 8888', f'iifname "{interface}"', 'reject'],
+ ['log prefix "[ipv6-FWD-filter-default-A]"','FWD-filter default-action accept', 'accept'],
['chain VYOS_IPV6_INPUT_filter'],
['type filter hook input priority filter; policy accept;'],
['meta l4proto udp', 'ip6 saddr 2002::1:2', f'iifname "{interface}"', 'accept'],
+ ['INP-filter default-action accept', 'accept'],
['chain VYOS_IPV6_OUTPUT_filter'],
- ['type filter hook output priority filter; policy drop;'],
+ ['type filter hook output priority filter; policy accept;'],
['meta l4proto gre', f'oifname "{interface}"', 'return'],
+ ['log prefix "[ipv6-OUT-filter-default-D]"','OUT-filter default-action drop', 'drop'],
[f'chain NAME6_{name}'],
['saddr 2002::1', 'daddr 2002::1:1', 'log prefix "[ipv6-NAM-v6-smoketest-1-A]" log level crit', 'accept'],
- [f'"{name} default-action drop"', f'log prefix "[{name}-default-D]"', 'drop']
+ [f'"{name} default-action drop"', f'log prefix "[ipv6-{name}-default-D]"', 'drop']
]
self.verify_nftables(nftables_search, 'ip6 vyos_filter')
@@ -483,7 +495,7 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
['ip6 saddr 2001:db8::/64', 'meta mark != 0x000019ff-0x00001e56', f'jump NAME6_{name}'],
[f'chain NAME6_{name}'],
['ip6 length { 65, 513, 1025 }', 'ip6 dscp { af21, 0x35 }', 'accept'],
- [f'log prefix "[{name}-default-D]"', 'drop']
+ [f'log prefix "[ipv6-{name}-default-D]"', 'drop']
]
self.verify_nftables(nftables_search, 'ip6 vyos_filter')
@@ -635,6 +647,44 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
with open(path, 'r') as f:
self.assertNotEqual(f.read().strip(), conf['default'], msg=path)
+### Zone
+ def test_zone_basic(self):
+ self.cli_set(['firewall', 'ipv4', 'name', 'smoketest', 'default-action', 'drop'])
+ self.cli_set(['firewall', 'zone', 'smoketest-eth0', 'interface', 'eth0'])
+ self.cli_set(['firewall', 'zone', 'smoketest-eth0', 'from', 'smoketest-local', 'firewall', 'name', 'smoketest'])
+ self.cli_set(['firewall', 'zone', 'smoketest-local', 'local-zone'])
+ self.cli_set(['firewall', 'zone', 'smoketest-local', 'from', 'smoketest-eth0', 'firewall', 'name', 'smoketest'])
+
+ self.cli_commit()
+
+ nftables_search = [
+ ['chain VYOS_ZONE_FORWARD'],
+ ['type filter hook forward priority filter + 1'],
+ ['chain VYOS_ZONE_OUTPUT'],
+ ['type filter hook output priority filter + 1'],
+ ['chain VYOS_ZONE_LOCAL'],
+ ['type filter hook input priority filter + 1'],
+ ['chain VZONE_smoketest-eth0'],
+ ['chain VZONE_smoketest-local_IN'],
+ ['chain VZONE_smoketest-local_OUT'],
+ ['oifname "eth0"', 'jump VZONE_smoketest-eth0'],
+ ['jump VZONE_smoketest-local_IN'],
+ ['jump VZONE_smoketest-local_OUT'],
+ ['iifname "eth0"', 'jump NAME_smoketest'],
+ ['oifname "eth0"', 'jump NAME_smoketest']
+ ]
+
+ nftables_output = cmd('sudo nft list table ip vyos_filter')
+
+ for search in nftables_search:
+ matched = False
+ for line in nftables_output.split("\n"):
+ if all(item in line for item in search):
+ matched = True
+ break
+ self.assertTrue(matched)
+
+
def test_flow_offload(self):
self.cli_set(['firewall', 'flowtable', 'smoketest', 'interface', 'eth0'])
self.cli_set(['firewall', 'flowtable', 'smoketest', 'offload', 'hardware'])
diff --git a/src/conf_mode/firewall.py b/src/conf_mode/firewall.py
index f6480ab0a..9791cf009 100755
--- a/src/conf_mode/firewall.py
+++ b/src/conf_mode/firewall.py
@@ -374,12 +374,82 @@ def verify(firewall):
for rule_id, rule_conf in name_conf['rule'].items():
verify_rule(firewall, rule_conf, True)
+ #### ZONESSSS
+ local_zone = False
+ zone_interfaces = []
+
+ if 'zone' in firewall:
+ for zone, zone_conf in firewall['zone'].items():
+ if 'local_zone' not in zone_conf and 'interface' not in zone_conf:
+ raise ConfigError(f'Zone "{zone}" has no interfaces and is not the local zone')
+
+ if 'local_zone' in zone_conf:
+ if local_zone:
+ raise ConfigError('There cannot be multiple local zones')
+ if 'interface' in zone_conf:
+ raise ConfigError('Local zone cannot have interfaces assigned')
+ if 'intra_zone_filtering' in zone_conf:
+ raise ConfigError('Local zone cannot use intra-zone-filtering')
+ local_zone = True
+
+ if 'interface' in zone_conf:
+ found_duplicates = [intf for intf in zone_conf['interface'] if intf in zone_interfaces]
+
+ if found_duplicates:
+ raise ConfigError(f'Interfaces cannot be assigned to multiple zones')
+
+ zone_interfaces += zone_conf['interface']
+
+ if 'intra_zone_filtering' in zone_conf:
+ intra_zone = zone_conf['intra_zone_filtering']
+
+ if len(intra_zone) > 1:
+ raise ConfigError('Only one intra-zone-filtering action must be specified')
+
+ if 'firewall' in intra_zone:
+ v4_name = dict_search_args(intra_zone, 'firewall', 'name')
+ if v4_name and not dict_search_args(firewall, 'ipv4', 'name', v4_name):
+ raise ConfigError(f'Firewall name "{v4_name}" does not exist')
+
+ v6_name = dict_search_args(intra_zone, 'firewall', 'ipv6_name')
+ if v6_name and not dict_search_args(firewall, 'ipv6', 'name', v6_name):
+ raise ConfigError(f'Firewall ipv6-name "{v6_name}" does not exist')
+
+ if not v4_name and not v6_name:
+ raise ConfigError('No firewall names specified for intra-zone-filtering')
+
+ if 'from' in zone_conf:
+ for from_zone, from_conf in zone_conf['from'].items():
+ if from_zone not in firewall['zone']:
+ raise ConfigError(f'Zone "{zone}" refers to a non-existent or deleted zone "{from_zone}"')
+
+ v4_name = dict_search_args(from_conf, 'firewall', 'name')
+ if v4_name and not dict_search_args(firewall, 'ipv4', 'name', v4_name):
+ raise ConfigError(f'Firewall name "{v4_name}" does not exist')
+
+ v6_name = dict_search_args(from_conf, 'firewall', 'ipv6_name')
+ if v6_name and not dict_search_args(firewall, 'ipv6', 'name', v6_name):
+ raise ConfigError(f'Firewall ipv6-name "{v6_name}" does not exist')
+
return None
def generate(firewall):
if not os.path.exists(nftables_conf):
firewall['first_install'] = True
+ if 'zone' in firewall:
+ for local_zone, local_zone_conf in firewall['zone'].items():
+ if 'local_zone' not in local_zone_conf:
+ continue
+
+ local_zone_conf['from_local'] = {}
+
+ for zone, zone_conf in firewall['zone'].items():
+ if zone == local_zone or 'from' not in zone_conf:
+ continue
+ if local_zone in zone_conf['from']:
+ local_zone_conf['from_local'][zone] = zone_conf['from'][local_zone]
+
render(nftables_conf, 'firewall/nftables.j2', firewall)
return None
diff --git a/src/migration-scripts/cluster/1-to-2 b/src/migration-scripts/cluster/1-to-2
new file mode 100755
index 000000000..a2e589155
--- /dev/null
+++ b/src/migration-scripts/cluster/1-to-2
@@ -0,0 +1,193 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 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
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import re
+import sys
+
+from vyos.configtree import ConfigTree
+
+if __name__ == '__main__':
+ if len(sys.argv) < 2:
+ print("Must specify file name!")
+ sys.exit(1)
+
+ file_name = sys.argv[1]
+
+ with open(file_name, 'r') as f:
+ config_file = f.read()
+
+ config = ConfigTree(config_file)
+
+ if not config.exists(['cluster']):
+ # Cluster is not set -- nothing to do at all
+ sys.exit(0)
+
+ # If at least one cluster group is defined, we have real work to do.
+ # If there are no groups, we remove the top-level cluster node at the end of this script anyway.
+ if config.exists(['cluster', 'group']):
+ # First, gather timer and interface settings to duplicate them in all groups,
+ # since in the old cluster they are global, but in VRRP they are always per-group
+
+ global_interface = None
+ if config.exists(['cluster', 'interface']):
+ global_interface = config.return_value(['cluster', 'interface'])
+ else:
+ # Such configs shouldn't exist in practice because interface is a required option.
+ # But since it's possible to specify interface inside 'service' options,
+ # we may be able to convert such configs nonetheless.
+ print("Warning: incorrect cluster config: interface is not defined.", file=sys.stderr)
+
+ # There are three timers: advertise-interval, dead-interval, and monitor-dead-interval
+ # Only the first one makes sense for the VRRP, we translate it to advertise-interval
+ advertise_interval = None
+ if config.exists(['cluster', 'keepalive-interval']):
+ advertise_interval = config.return_value(['cluster', 'keepalive-interval'])
+
+ if advertise_interval is not None:
+ # Cluster had all timers in milliseconds, so we need to convert them to seconds
+ # And ensure they are not shorter than one second
+ advertise_interval = int(advertise_interval) // 1000
+ if advertise_interval < 1:
+ advertise_interval = 1
+
+ # Cluster had password as a global option, in VRRP it's per-group
+ password = None
+ if config.exists(['cluster', 'pre-shared-secret']):
+ password = config.return_value(['cluster', 'pre-shared-secret'])
+
+ # Set up the stage for converting cluster groups to VRRP groups
+ free_vrids = set(range(1,255))
+ vrrp_base_path = ['high-availability', 'vrrp', 'group']
+ if not config.exists(vrrp_base_path):
+ # If VRRP is not set up, create a node and set it to 'tag node'
+ # Setting it to 'tag' is not mandatory but it's better to be consistent
+ # with configs produced by 'save'
+ config.set(vrrp_base_path)
+ config.set_tag(vrrp_base_path)
+ else:
+ # If there are VRRP groups already, we need to find the set of unused VRID numbers to avoid conflicts
+ existing_vrids = set()
+ for vg in config.list_nodes(vrrp_base_path):
+ existing_vrids.add(int(config.return_value(vrrp_base_path + [vg, 'vrid'])))
+ free_vrids = free_vrids.difference(existing_vrids)
+
+ # Now handle cluster groups
+ groups = config.list_nodes(['cluster', 'group'])
+ for g in groups:
+ base_path = ['cluster', 'group', g]
+ service_names = config.return_values(base_path + ['service'])
+
+ # Cluster used to allow services other than IP addresses, at least nominally
+ # Whether that ever worked is a big question, but we need to consider that,
+ # since configs with custom services are definitely impossible to meaningfully migrate now
+ services = {"ip": [], "other": []}
+ for s in service_names:
+ if re.match(r'^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/\d{1,2})(/[a-z]+\d+)?$', s):
+ services["ip"].append(s)
+ else:
+ services["other"].append(s)
+
+ if services["other"]:
+ print("Cluster config includes non-IP address services and cannot be migrated", file=sys.stderr)
+ sys.exit(1)
+
+ # Cluster allowed virtual IPs for different interfaces within a single group.
+ # VRRP groups are by definition bound to interfaces, so we cannot migrate such configurations.
+ # Thus we need to find out if all addresses either leave the interface unspecified
+ # (in that case the global 'cluster interface' option is used),
+ # or have the same interface, or have the same interface as the global 'cluster interface'.
+
+ # First, we collect all addresses and check if they have interface specified
+ # If not, we substitute the global interface option
+ # or throw an error if it's not in the config.
+ ips = []
+ for ip in services["ip"]:
+ ip_with_intf = re.match(r'^(?P<ip>\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\/\d{1,2})/(?P<intf>[a-z]+\d+)$', ip)
+ if ip_with_intf:
+ ips.append({"ip": ip_with_intf.group("ip"), "interface": ip_with_intf.group("intf")})
+ else:
+ if global_interface is not None:
+ ips.append({"ip": ip, "interface": global_interface})
+ else:
+ print("Error: cluster has groups with IPs without interfaces and 'cluster interface' is not specified.", file=sys.stderr)
+ sys.exit(1)
+
+ # Then we check if all addresses are for the same interface.
+ intfs_set = set(map(lambda i: i["interface"], ips))
+ if len(intfs_set) > 1:
+ print("Error: cluster group has addresses for different interfaces", file=sys.stderr)
+ sys.exit(1)
+
+ # If we got this far, the group is migratable.
+
+ # Extract the interface from the set -- we know there's only a single member.
+ interface = intfs_set.pop()
+
+ addresses = list(map(lambda i: i["ip"], ips))
+ vrrp_path = ['high-availability', 'vrrp', 'group', g]
+
+ # If there's already a VRRP group with exactly the same name,
+ # we probably shouldn't try to make up a unique name, just leave migration to the user...
+ if config.exists(vrrp_path):
+ print("Error: VRRP group with the same name as a cluster group already exists", file=sys.stderr)
+ sys.exit(1)
+
+ config.set(vrrp_path + ['interface'], value=interface)
+ for a in addresses:
+ config.set(vrrp_path + ['virtual-address'], value=a, replace=False)
+
+ # Take the next free VRID and assign it to the group
+ vrid = free_vrids.pop()
+ config.set(vrrp_path + ['vrid'], value=vrid)
+
+ # Convert the monitor option to VRRP ping health check
+ if config.exists(base_path + ['monitor']):
+ monitor_ip = config.return_value(base_path + ['monitor'])
+ config.set(vrrp_path + ['health-check', 'ping'], value=monitor_ip)
+
+ # Convert "auto-failback" to "no-preempt", if necessary
+ if config.exists(base_path + ['auto-failback']):
+ # It's a boolean node that requires "true" or "false"
+ # so if it exists we still need to check its value
+ auto_failback = config.return_value(base_path + ['auto-failback'])
+ if auto_failback == "false":
+ config.set(vrrp_path + ['no-preempt'])
+ else:
+ # It's "true" or we assume it is, which means preemption is desired,
+ # and in VRRP config it's the default
+ pass
+ else:
+ # The old default for that option is false
+ config.set(vrrp_path + ['no-preempt'])
+
+ # Inject settings from the global cluster config that have to be per-group in VRRP
+ if advertise_interval is not None:
+ config.set(vrrp_path + ['advertise-interval'], value=advertise_interval)
+
+ if password is not None:
+ config.set(vrrp_path + ['authentication', 'password'], value=password)
+ config.set(vrrp_path + ['authentication', 'type'], value='plaintext-password')
+
+ # Finally, clean up the old cluster node
+ config.delete(['cluster'])
+
+ try:
+ with open(file_name, 'w') as f:
+ f.write(config.to_string())
+ except OSError as e:
+ print("Failed to save the modified config: {}".format(e))
+ sys.exit(1)
diff --git a/src/migration-scripts/firewall/10-to-11 b/src/migration-scripts/firewall/10-to-11
index 716c5a240..b739fb139 100755
--- a/src/migration-scripts/firewall/10-to-11
+++ b/src/migration-scripts/firewall/10-to-11
@@ -181,191 +181,6 @@ if config.exists(base + ['interface']):
config.delete(base + ['interface'])
-
-### Migration of zones:
-### User interface groups
-if config.exists(base + ['zone']):
- inp_ipv4_rule = 101
- inp_ipv6_rule = 101
- fwd_ipv4_rule = 101
- fwd_ipv6_rule = 101
- out_ipv4_rule = 101
- out_ipv6_rule = 101
- local_zone = 'False'
-
- for zone in config.list_nodes(base + ['zone']):
- if config.exists(base + ['zone', zone, 'local-zone']):
- local_zone = 'True'
- # Add default-action== accept for compatibility reasons:
- config.set(base + ['ipv4', 'input', 'filter', 'default-action'], value='accept')
- config.set(base + ['ipv6', 'input', 'filter', 'default-action'], value='accept')
- config.set(base + ['ipv4', 'output', 'filter', 'default-action'], value='accept')
- config.set(base + ['ipv6', 'output', 'filter', 'default-action'], value='accept')
- for from_zone in config.list_nodes(base + ['zone', zone, 'from']):
- group_name = 'IG_' + from_zone
- if config.exists(base + ['zone', zone, 'from', from_zone, 'firewall', 'name']):
- # ipv4 input ruleset
- target_ipv4_chain = config.return_value(base + ['zone', zone, 'from', from_zone, 'firewall', 'name'])
- config.set(base + ['ipv4', 'input', 'filter', 'rule'])
- config.set_tag(base + ['ipv4', 'input', 'filter', 'rule'])
- config.set(base + ['ipv4', 'input', 'filter', 'rule', inp_ipv4_rule, 'inbound-interface', 'interface-group'], value=group_name)
- config.set(base + ['ipv4', 'input', 'filter', 'rule', inp_ipv4_rule, 'action'], value='jump')
- config.set(base + ['ipv4', 'input', 'filter', 'rule', inp_ipv4_rule, 'jump-target'], value=target_ipv4_chain)
- inp_ipv4_rule = inp_ipv4_rule + 5
- if config.exists(base + ['zone', zone, 'from', from_zone, 'firewall', 'ipv6-name']):
- # ipv6 input ruleset
- target_ipv6_chain = config.return_value(base + ['zone', zone, 'from', from_zone, 'firewall', 'ipv6-name'])
- config.set(base + ['ipv6', 'input', 'filter', 'rule'])
- config.set_tag(base + ['ipv6', 'input', 'filter', 'rule'])
- config.set(base + ['ipv6', 'input', 'filter', 'rule', inp_ipv6_rule, 'inbound-interface', 'interface-group'], value=group_name)
- config.set(base + ['ipv6', 'input', 'filter', 'rule', inp_ipv6_rule, 'action'], value='jump')
- config.set(base + ['ipv6', 'input', 'filter', 'rule', inp_ipv6_rule, 'jump-target'], value=target_ipv6_chain)
- inp_ipv6_rule = inp_ipv6_rule + 5
-
- # Migrate: set firewall zone <zone> default-action <action>
- # Options: drop or reject. If not specified, is drop
- if config.exists(base + ['zone', zone, 'default-action']):
- local_def_action = config.return_value(base + ['zone', zone, 'default-action'])
- else:
- local_def_action = 'drop'
- config.set(base + ['ipv4', 'input', 'filter', 'rule'])
- config.set_tag(base + ['ipv4', 'input', 'filter', 'rule'])
- config.set(base + ['ipv4', 'input', 'filter', 'rule', inp_ipv4_rule, 'action'], value=local_def_action)
- config.set(base + ['ipv6', 'input', 'filter', 'rule'])
- config.set_tag(base + ['ipv6', 'input', 'filter', 'rule'])
- config.set(base + ['ipv6', 'input', 'filter', 'rule', inp_ipv6_rule, 'action'], value=local_def_action)
- if config.exists(base + ['zone', zone, 'enable-default-log']):
- config.set(base + ['ipv4', 'input', 'filter', 'rule', inp_ipv4_rule, 'log'], value='enable')
- config.set(base + ['ipv6', 'input', 'filter', 'rule', inp_ipv6_rule, 'log'], value='enable')
-
- else:
- # It's not a local zone
- group_name = 'IG_' + zone
- # Add default-action== accept for compatibility reasons:
- config.set(base + ['ipv4', 'forward', 'filter', 'default-action'], value='accept')
- config.set(base + ['ipv6', 'forward', 'filter', 'default-action'], value='accept')
- # intra-filtering migration. By default accept
- intra_zone_ipv4_action = 'accept'
- intra_zone_ipv6_action = 'accept'
-
- if config.exists(base + ['zone', zone, 'intra-zone-filtering', 'action']):
- intra_zone_ipv4_action = config.return_value(base + ['zone', zone, 'intra-zone-filtering', 'action'])
- intra_zone_ipv6_action = intra_zone_ipv4_action
- else:
- if config.exists(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'name']):
- intra_zone_ipv4_target = config.return_value(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'name'])
- intra_zone_ipv4_action = 'jump'
- if config.exists(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'ipv6-name']):
- intra_zone_ipv6_target = config.return_value(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'ipv6-name'])
- intra_zone_ipv6_action = 'jump'
- config.set(base + ['ipv4', 'forward', 'filter', 'rule'])
- config.set_tag(base + ['ipv4', 'forward', 'filter', 'rule'])
- config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'outbound-interface', 'interface-group'], value=group_name)
- config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'inbound-interface', 'interface-group'], value=group_name)
- config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'action'], value=intra_zone_ipv4_action)
- config.set(base + ['ipv6', 'forward', 'filter', 'rule'])
- config.set_tag(base + ['ipv6', 'forward', 'filter', 'rule'])
- config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'outbound-interface', 'interface-group'], value=group_name)
- config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'inbound-interface', 'interface-group'], value=group_name)
- config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'action'], value=intra_zone_ipv6_action)
- if intra_zone_ipv4_action == 'jump':
- if config.exists(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'name']):
- intra_zone_ipv4_target = config.return_value(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'name'])
- config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'jump-target'], value=intra_zone_ipv4_target)
- if intra_zone_ipv6_action == 'jump':
- if config.exists(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'ipv6-name']):
- intra_zone_ipv6_target = config.return_value(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'ipv6-name'])
- config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'jump-target'], value=intra_zone_ipv6_target)
- fwd_ipv4_rule = fwd_ipv4_rule + 5
- fwd_ipv6_rule = fwd_ipv6_rule + 5
-
- if config.exists(base + ['zone', zone, 'interface']):
- # Create interface group IG_<zone>
- group_name = 'IG_' + zone
- config.set(base + ['group', 'interface-group'], value=group_name)
- config.set_tag(base + ['group', 'interface-group'])
- for iface in config.return_values(base + ['zone', zone, 'interface']):
- config.set(base + ['group', 'interface-group', group_name, 'interface'], value=iface, replace=False)
-
- if config.exists(base + ['zone', zone, 'from']):
- for from_zone in config.list_nodes(base + ['zone', zone, 'from']):
- from_group = 'IG_' + from_zone
- if config.exists(base + ['zone', zone, 'from', from_zone, 'firewall', 'name']):
- target_ipv4_chain = config.return_value(base + ['zone', zone, 'from', from_zone, 'firewall', 'name'])
- if config.exists(base + ['zone', from_zone, 'local-zone']):
- # It's from LOCAL zone -> Output filtering
- config.set(base + ['ipv4', 'output', 'filter', 'rule'])
- config.set_tag(base + ['ipv4', 'output', 'filter', 'rule'])
- config.set(base + ['ipv4', 'output', 'filter', 'rule', out_ipv4_rule, 'outbound-interface', 'interface-group'], value=group_name)
- config.set(base + ['ipv4', 'output', 'filter', 'rule', out_ipv4_rule, 'action'], value='jump')
- config.set(base + ['ipv4', 'output', 'filter', 'rule', out_ipv4_rule, 'jump-target'], value=target_ipv4_chain)
- out_ipv4_rule = out_ipv4_rule + 5
- else:
- # It's not LOCAL zone -> forward filtering
- config.set(base + ['ipv4', 'forward', 'filter', 'rule'])
- config.set_tag(base + ['ipv4', 'forward', 'filter', 'rule'])
- config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'outbound-interface', 'interface-group'], value=group_name)
- config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'inbound-interface', 'interface-group'], value=from_group)
- config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'action'], value='jump')
- config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'jump-target'], value=target_ipv4_chain)
- fwd_ipv4_rule = fwd_ipv4_rule + 5
- if config.exists(base + ['zone', zone, 'from', from_zone, 'firewall', 'ipv6-name']):
- target_ipv6_chain = config.return_value(base + ['zone', zone, 'from', from_zone, 'firewall', 'ipv6-name'])
- if config.exists(base + ['zone', from_zone, 'local-zone']):
- # It's from LOCAL zone -> Output filtering
- config.set(base + ['ipv6', 'output', 'filter', 'rule'])
- config.set_tag(base + ['ipv6', 'output', 'filter', 'rule'])
- config.set(base + ['ipv6', 'output', 'filter', 'rule', out_ipv6_rule, 'outbound-interface', 'interface-group'], value=group_name)
- config.set(base + ['ipv6', 'output', 'filter', 'rule', out_ipv6_rule, 'action'], value='jump')
- config.set(base + ['ipv6', 'output', 'filter', 'rule', out_ipv6_rule, 'jump-target'], value=target_ipv6_chain)
- out_ipv6_rule = out_ipv6_rule + 5
- else:
- # It's not LOCAL zone -> forward filtering
- config.set(base + ['ipv6', 'forward', 'filter', 'rule'])
- config.set_tag(base + ['ipv6', 'forward', 'filter', 'rule'])
- config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'outbound-interface', 'interface-group'], value=group_name)
- config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'inbound-interface', 'interface-group'], value=from_group)
- config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'action'], value='jump')
- config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'jump-target'], value=target_ipv6_chain)
- fwd_ipv6_rule = fwd_ipv6_rule + 5
-
- ## Now need to migrate: set firewall zone <zone> default-action <action> # action=drop if not specified.
- if config.exists(base + ['zone', zone, 'default-action']):
- def_action = config.return_value(base + ['zone', zone, 'default-action'])
- else:
- def_action = 'drop'
- config.set(base + ['ipv4', 'forward', 'filter', 'rule'])
- config.set_tag(base + ['ipv4', 'forward', 'filter', 'rule'])
- config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'outbound-interface', 'interface-group'], value=group_name)
- config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'action'], value=def_action)
- description = 'zone_' + zone + ' default-action'
- config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'description'], value=description)
- config.set(base + ['ipv6', 'forward', 'filter', 'rule'])
- config.set_tag(base + ['ipv6', 'forward', 'filter', 'rule'])
- config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'outbound-interface', 'interface-group'], value=group_name)
- config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'action'], value=def_action)
- config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'description'], value=description)
-
- if config.exists(base + ['zone', zone, 'enable-default-log']):
- config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'log'], value='enable')
- config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'log'], value='enable')
- fwd_ipv4_rule = fwd_ipv4_rule + 5
- fwd_ipv6_rule = fwd_ipv6_rule + 5
-
- # Migrate default-action (force to be drop in output chain) if local zone is defined
- if local_zone == 'True':
- # General drop in output change if needed
- config.set(base + ['ipv4', 'output', 'filter', 'rule'])
- config.set_tag(base + ['ipv4', 'output', 'filter', 'rule'])
- config.set(base + ['ipv4', 'output', 'filter', 'rule', out_ipv4_rule, 'action'], value=local_def_action)
- config.set(base + ['ipv6', 'output', 'filter', 'rule'])
- config.set_tag(base + ['ipv6', 'output', 'filter', 'rule'])
- config.set(base + ['ipv6', 'output', 'filter', 'rule', out_ipv6_rule, 'action'], value=local_def_action)
-
- config.delete(base + ['zone'])
-
-###### END migration zones
-
try:
with open(file_name, 'w') as f:
f.write(config.to_string())
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-04 01:31:44 +0000