firewall: zone: T4353: fix Jinja2 linting errors

1 files changed, 113 insertions, 0 deletions

diff --git a/data/templates/zone_policy/nftables.j2 b/data/templates/zone_policy/nftables.j2
new file mode 100644
index 000000000..e4c4dd7da
--- /dev/null
+++ b/data/templates/zone_policy/nftables.j2
@@ -0,0 +1,113 @@
+#!/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 {
+{%     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 {
+        iifname lo counter return
+{%             for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.name is vyos_defined %}
+        iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME_{{ from_conf.firewall.name }}
+        iifname { {{ zone[from_zone].interface | join(",") }} } counter return
+{%             endfor %}
+        counter {{ zone_conf.default_action }}
+    }
+    chain VZONE_{{ zone_name }}_OUT {
+        oifname lo counter return
+{%             for from_zone, from_conf in zone_conf.from_local.items() if from_conf.firewall.name is vyos_defined %}
+        oifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME_{{ from_conf.firewall.name }}
+        oifname { {{ zone[from_zone].interface | join(",") }} } counter return
+{%             endfor %}
+        counter {{ zone_conf.default_action }}
+    }
+{%         else %}
+    chain VZONE_{{ zone_name }} {
+        iifname { {{ zone_conf.interface | join(",") }} } counter {{ zone_conf | nft_intra_zone_action(ipv6=False) }}
+{%             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.name is vyos_defined %}
+{%                 if zone[from_zone].local_zone is not defined %}
+        iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME_{{ from_conf.firewall.name }}
+        iifname { {{ zone[from_zone].interface | join(",") }} } counter return
+{%                 endif %}
+{%             endfor %}
+        counter {{ zone_conf.default_action }}
+    }
+{%         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 %}
+        counter {{ zone_conf.default_action }}
+    }
+    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 %}
+        counter {{ zone_conf.default_action }}
+    }
+{%         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 %}
+        counter {{ zone_conf.default_action }}
+    }
+{%         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 %}