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-rw-r--r--data/templates/firewall/nftables.j272
-rw-r--r--data/templates/zone_policy/nftables.j2114
-rw-r--r--data/templates/zone_policy/nftables6.j277
3 files changed, 179 insertions, 84 deletions
diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2
index 5971e1bbc..3beb7fb92 100644
--- a/data/templates/firewall/nftables.j2
+++ b/data/templates/firewall/nftables.j2
@@ -2,24 +2,46 @@
{% import 'firewall/nftables-defines.j2' as group_tmpl %}
-{% if cleanup_commands is vyos_defined %}
-{% for command in cleanup_commands %}
-{{ command }}
-{% endfor %}
+{% if first_install is not vyos_defined %}
+delete table ip vyos_filter
{% endif %}
-
table ip filter {
-{% if first_install is vyos_defined %}
chain VYOS_FW_FORWARD {
type filter hook forward priority 0; policy accept;
+{% if state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY
+{% endif %}
+{% if interface is vyos_defined %}
+{% for ifname, ifconf in interface.items() %}
+{% if ifconf.in is vyos_defined and ifconf.in.name is vyos_defined %}
+ iifname {{ ifname }} counter jump NAME_{{ ifconf.in.name }}
+{% endif %}
+{% if ifconf.out is vyos_defined and ifconf.out.name is vyos_defined %}
+ oifname {{ ifname }} counter jump NAME_{{ ifconf.out.name }}
+{% endif %}
+{% endfor %}
+{% endif %}
jump VYOS_POST_FW
}
chain VYOS_FW_LOCAL {
type filter hook input priority 0; policy accept;
+{% if state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY
+{% endif %}
+{% if interface is vyos_defined %}
+{% for ifname, ifconf in interface.items() %}
+{% if ifconf.local is vyos_defined and ifconf.local.name is vyos_defined %}
+ iifname {{ ifname }} counter jump NAME_{{ ifconf.local.name }}
+{% endif %}
+{% endfor %}
+{% endif %}
jump VYOS_POST_FW
}
chain VYOS_FW_OUTPUT {
type filter hook output priority 0; policy accept;
+{% if state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY
+{% endif %}
jump VYOS_POST_FW
}
chain VYOS_POST_FW {
@@ -29,7 +51,6 @@ table ip filter {
type filter hook prerouting priority -450; policy accept;
ip frag-off & 0x3fff != 0 meta mark set 0xffff1 return
}
-{% endif %}
{% if name is vyos_defined %}
{% set ns = namespace(sets=[]) %}
{% for name_text, conf in name.items() %}
@@ -86,20 +107,51 @@ table ip filter {
return
}
{% endif %}
+{% if zone_conf is vyos_defined %}
+ include "{{ zone_conf }}"
+{% endif %}
}
+{% if first_install is not vyos_defined %}
+delete table ip6 vyos_filter
+{% endif %}
table ip6 filter {
-{% if first_install is vyos_defined %}
chain VYOS_FW6_FORWARD {
type filter hook forward priority 0; policy accept;
+{% if state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY6
+{% endif %}
+{% if interface is vyos_defined %}
+{% for ifname, ifconf in interface.items() %}
+{% if ifconf.in is vyos_defined and ifconf.in.ipv6_name is vyos_defined %}
+ iifname {{ ifname }} counter jump NAME6_{{ ifconf.in.ipv6_name }}
+{% endif %}
+{% if ifconf.out is vyos_defined and ifconf.out.ipv6_name is vyos_defined %}
+ oifname {{ ifname }} counter jump NAME6_{{ ifconf.out.ipv6_name }}
+{% endif %}
+{% endfor %}
+{% endif %}
jump VYOS_POST_FW6
}
chain VYOS_FW6_LOCAL {
type filter hook input priority 0; policy accept;
+{% if state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY6
+{% endif %}
+{% if interface is vyos_defined %}
+{% for ifname, ifconf in interface.items() %}
+{% if ifconf.local is vyos_defined and ifconf.local.ipv6_name is vyos_defined %}
+ iifname {{ ifname }} counter jump NAME6_{{ ifconf.local.ipv6_name }}
+{% endif %}
+{% endfor %}
+{% endif %}
jump VYOS_POST_FW6
}
chain VYOS_FW6_OUTPUT {
type filter hook output priority 0; policy accept;
+{% if state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY6
+{% endif %}
jump VYOS_POST_FW6
}
chain VYOS_POST_FW6 {
@@ -109,7 +161,6 @@ table ip6 filter {
type filter hook prerouting priority -450; policy accept;
exthdr frag exists meta mark set 0xffff1 return
}
-{% endif %}
{% if ipv6_name is vyos_defined %}
{% set ns = namespace(sets=[]) %}
{% for name_text, conf in ipv6_name.items() %}
@@ -158,6 +209,9 @@ table ip6 filter {
return
}
{% endif %}
+{% if zone6_conf is vyos_defined %}
+ include "{{ zone6_conf }}"
+{% endif %}
}
{% if first_install is vyos_defined %}
diff --git a/data/templates/zone_policy/nftables.j2 b/data/templates/zone_policy/nftables.j2
index fe941f9f8..09140519f 100644
--- a/data/templates/zone_policy/nftables.j2
+++ b/data/templates/zone_policy/nftables.j2
@@ -1,13 +1,45 @@
#!/usr/sbin/nft -f
-{% if cleanup_commands is vyos_defined %}
-{% for command in cleanup_commands %}
-{{ command }}
-{% endfor %}
-{% endif %}
-
{% if zone is vyos_defined %}
-table ip filter {
+ chain VYOS_ZONE_FORWARD {
+ type filter hook forward priority -1; policy accept;
+{% if firewall.state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY
+{% endif %}
+{% for zone_name, zone_conf in zone.items() %}
+{% if zone_conf.ipv4 %}
+{% if 'local_zone' not in zone_conf %}
+ oifname { {{ zone_conf.interface | join(',') }} } counter jump VZONE_{{ zone_name }}
+{% endif %}
+{% endif %}
+{% endfor %}
+ }
+ chain VYOS_ZONE_LOCAL {
+ type filter hook input priority -1; policy accept;
+{% if firewall.state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY
+{% endif %}
+{% for zone_name, zone_conf in zone.items() %}
+{% if zone_conf.ipv4 %}
+{% if 'local_zone' in zone_conf %}
+ counter jump VZONE_{{ zone_name }}_IN
+{% endif %}
+{% endif %}
+{% endfor %}
+ }
+ chain VYOS_ZONE_OUTPUT {
+ type filter hook output priority -1; policy accept;
+{% if firewall.state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY
+{% endif %}
+{% for zone_name, zone_conf in zone.items() %}
+{% if zone_conf.ipv4 %}
+{% if 'local_zone' in zone_conf %}
+ counter jump VZONE_{{ zone_name }}_OUT
+{% endif %}
+{% endif %}
+{% endfor %}
+ }
{% for zone_name, zone_conf in zone.items() if zone_conf.ipv4 %}
{% if zone_conf.local_zone is vyos_defined %}
chain VZONE_{{ zone_name }}_IN {
@@ -42,72 +74,4 @@ table ip filter {
}
{% endif %}
{% endfor %}
-}
-
-table ip6 filter {
-{% for zone_name, zone_conf in zone.items() if zone_conf.ipv6 %}
-{% if zone_conf.local_zone is vyos_defined %}
- chain VZONE6_{{ zone_name }}_IN {
- iifname lo counter return
-{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.ipv6_name is vyos_defined %}
- iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME6_{{ from_conf.firewall.ipv6_name }}
- iifname { {{ zone[from_zone].interface | join(",") }} } counter return
-{% endfor %}
- {{ zone_conf | nft_default_rule('zone6_' + zone_name) }}
- }
- chain VZONE6_{{ zone_name }}_OUT {
- oifname lo counter return
-{% for from_zone, from_conf in zone_conf.from_local.items() if from_conf.firewall.ipv6_name is vyos_defined %}
- oifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME6_{{ from_conf.firewall.ipv6_name }}
- oifname { {{ zone[from_zone].interface | join(",") }} } counter return
-{% endfor %}
- {{ zone_conf | nft_default_rule('zone6_' + zone_name) }}
- }
-{% else %}
- chain VZONE6_{{ zone_name }} {
- iifname { {{ zone_conf.interface | join(",") }} } counter {{ zone_conf | nft_intra_zone_action(ipv6=True) }}
-{% if zone_conf.intra_zone_filtering is vyos_defined %}
- iifname { {{ zone_conf.interface | join(",") }} } counter return
-{% endif %}
-{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.ipv6_name is vyos_defined %}
-{% if zone[from_zone].local_zone is not defined %}
- iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME6_{{ from_conf.firewall.ipv6_name }}
- iifname { {{ zone[from_zone].interface | join(",") }} } counter return
-{% endif %}
-{% endfor %}
- {{ zone_conf | nft_default_rule('zone6_' + zone_name) }}
- }
-{% endif %}
-{% endfor %}
-}
-
-{% for zone_name, zone_conf in zone.items() %}
-{% if zone_conf.ipv4 %}
-{% if 'local_zone' in zone_conf %}
-insert rule ip filter VYOS_FW_LOCAL counter jump VZONE_{{ zone_name }}_IN
-insert rule ip filter VYOS_FW_OUTPUT counter jump VZONE_{{ zone_name }}_OUT
-{% else %}
-insert rule ip filter VYOS_FW_FORWARD oifname { {{ zone_conf.interface | join(',') }} } counter jump VZONE_{{ zone_name }}
-{% endif %}
-{% endif %}
-{% if zone_conf.ipv6 %}
-{% if 'local_zone' in zone_conf %}
-insert rule ip6 filter VYOS_FW6_LOCAL counter jump VZONE6_{{ zone_name }}_IN
-insert rule ip6 filter VYOS_FW6_OUTPUT counter jump VZONE6_{{ zone_name }}_OUT
-{% else %}
-insert rule ip6 filter VYOS_FW6_FORWARD oifname { {{ zone_conf.interface | join(',') }} } counter jump VZONE6_{{ zone_name }}
-{% endif %}
-{% endif %}
-{% endfor %}
-
-{# Ensure that state-policy rule is first in the chain #}
-{% if firewall.state_policy is vyos_defined %}
-{% for chain in ['VYOS_FW_FORWARD', 'VYOS_FW_OUTPUT', 'VYOS_FW_LOCAL'] %}
-insert rule ip filter {{ chain }} jump VYOS_STATE_POLICY
-{% endfor %}
-{% for chain in ['VYOS_FW6_FORWARD', 'VYOS_FW6_OUTPUT', 'VYOS_FW6_LOCAL'] %}
-insert rule ip6 filter {{ chain }} jump VYOS_STATE_POLICY6
-{% endfor %}
-{% endif %}
-
{% endif %}
diff --git a/data/templates/zone_policy/nftables6.j2 b/data/templates/zone_policy/nftables6.j2
new file mode 100644
index 000000000..f7123d63d
--- /dev/null
+++ b/data/templates/zone_policy/nftables6.j2
@@ -0,0 +1,77 @@
+#!/usr/sbin/nft -f
+
+{% if zone is vyos_defined %}
+ chain VYOS_ZONE6_FORWARD {
+ type filter hook forward priority -1; policy accept;
+{% if state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY6
+{% endif %}
+{% for zone_name, zone_conf in zone.items() %}
+{% if zone_conf.ipv6 %}
+{% if 'local_zone' not in zone_conf %}
+ oifname { {{ zone_conf.interface | join(',') }} } counter jump VZONE6_{{ zone_name }}
+{% endif %}
+{% endif %}
+{% endfor %}
+ }
+ chain VYOS_ZONE6_LOCAL {
+ type filter hook input priority -1; policy accept;
+{% if firewall.state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY6
+{% endif %}
+{% for zone_name, zone_conf in zone.items() %}
+{% if zone_conf.ipv6 %}
+{% if 'local_zone' in zone_conf %}
+ counter jump VZONE6_{{ zone_name }}_IN
+{% endif %}
+{% endif %}
+{% endfor %}
+ }
+ chain VYOS_ZONE6_OUTPUT {
+ type filter hook output priority -1; policy accept;
+{% if firewall.state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY6
+{% endif %}
+{% for zone_name, zone_conf in zone.items() %}
+{% if zone_conf.ipv6 %}
+{% if 'local_zone' in zone_conf %}
+ counter jump VZONE6_{{ zone_name }}_OUT
+{% endif %}
+{% endif %}
+{% endfor %}
+ }
+{% for zone_name, zone_conf in zone.items() if zone_conf.ipv6 %}
+{% if zone_conf.local_zone is vyos_defined %}
+ chain VZONE6_{{ zone_name }}_IN {
+ iifname lo counter return
+{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.ipv6_name is vyos_defined %}
+ iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME6_{{ from_conf.firewall.ipv6_name }}
+ iifname { {{ zone[from_zone].interface | join(",") }} } counter return
+{% endfor %}
+ {{ zone_conf | nft_default_rule('zone6_' + zone_name) }}
+ }
+ chain VZONE6_{{ zone_name }}_OUT {
+ oifname lo counter return
+{% for from_zone, from_conf in zone_conf.from_local.items() if from_conf.firewall.ipv6_name is vyos_defined %}
+ oifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME6_{{ from_conf.firewall.ipv6_name }}
+ oifname { {{ zone[from_zone].interface | join(",") }} } counter return
+{% endfor %}
+ {{ zone_conf | nft_default_rule('zone6_' + zone_name) }}
+ }
+{% else %}
+ chain VZONE6_{{ zone_name }} {
+ iifname { {{ zone_conf.interface | join(",") }} } counter {{ zone_conf | nft_intra_zone_action(ipv6=True) }}
+{% if zone_conf.intra_zone_filtering is vyos_defined %}
+ iifname { {{ zone_conf.interface | join(",") }} } counter return
+{% endif %}
+{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.ipv6_name is vyos_defined %}
+{% if zone[from_zone].local_zone is not defined %}
+ iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME6_{{ from_conf.firewall.ipv6_name }}
+ iifname { {{ zone[from_zone].interface | join(",") }} } counter return
+{% endif %}
+{% endfor %}
+ {{ zone_conf | nft_default_rule('zone6_' + zone_name) }}
+ }
+{% endif %}
+{% endfor %}
+{% endif %}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-13 16:07:08 +0000