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authorsarthurdev <965089+sarthurdev@users.noreply.github.com>2022-09-05 14:43:08 +0200
committersarthurdev <965089+sarthurdev@users.noreply.github.com>2022-09-13 11:59:12 +0200
commit30945f39d6d1f0fdba34ce1c2d887a1a6823ecbe (patch)
treeca9b4d04f2245870a44ee73592ee0e1d7b85c40d /data/templates/firewall
parent24e5529be7b5a28868a666dabae0a1d61e6a5c15 (diff)
downloadvyos-1x-30945f39d6d1f0fdba34ce1c2d887a1a6823ecbe.tar.gz
vyos-1x-30945f39d6d1f0fdba34ce1c2d887a1a6823ecbe.zip
zone-policy: T2199: Migrate zone-policy to firewall node
Diffstat (limited to 'data/templates/firewall')
-rw-r--r--data/templates/firewall/nftables-zone.j272
-rw-r--r--data/templates/firewall/nftables.j215
2 files changed, 81 insertions, 6 deletions
diff --git a/data/templates/firewall/nftables-zone.j2 b/data/templates/firewall/nftables-zone.j2
new file mode 100644
index 000000000..919881e19
--- /dev/null
+++ b/data/templates/firewall/nftables-zone.j2
@@ -0,0 +1,72 @@
+
+{% macro zone_chains(zone, state_policy=False, 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;
+{% if state_policy %}
+ jump VYOS_STATE_POLICY{{ suffix }}
+{% endif %}
+{% 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;
+{% if state_policy %}
+ jump VYOS_STATE_POLICY{{ suffix }}
+{% endif %}
+{% 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;
+{% if state_policy %}
+ jump VYOS_STATE_POLICY{{ suffix }}
+{% endif %}
+{% 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
+{% 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 %}
+ {{ zone_conf | nft_default_rule('zone_' + zone_name) }}
+ }
+ chain VZONE_{{ zone_name }}_OUT {
+ oifname lo counter return
+{% 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 %}
+ {{ 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 %}
+{% 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 %}
+ {{ zone_conf | nft_default_rule('zone_' + zone_name) }}
+ }
+{% endif %}
+{% endfor %}
+{% endmacro %}
diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2
index dde88d09d..c0780dad5 100644
--- a/data/templates/firewall/nftables.j2
+++ b/data/templates/firewall/nftables.j2
@@ -1,6 +1,7 @@
#!/usr/sbin/nft -f
{% import 'firewall/nftables-defines.j2' as group_tmpl %}
+{% import 'firewall/nftables-zone.j2' as zone_tmpl %}
{% if first_install is not vyos_defined %}
delete table ip vyos_filter
@@ -93,6 +94,10 @@ table ip vyos_filter {
{{ group_tmpl.groups(group, False) }}
+{% if zone is vyos_defined %}
+{{ zone_tmpl.zone_chains(zone, state_policy is vyos_defined, False) }}
+{% endif %}
+
{% if state_policy is vyos_defined %}
chain VYOS_STATE_POLICY {
{% if state_policy.established is vyos_defined %}
@@ -107,9 +112,6 @@ table ip vyos_filter {
return
}
{% endif %}
-{% if zone_conf is vyos_defined %}
- include "{{ zone_conf }}"
-{% endif %}
}
{% if first_install is not vyos_defined %}
@@ -195,6 +197,10 @@ table ip6 vyos_filter {
{{ group_tmpl.groups(group, True) }}
+{% if zone is vyos_defined %}
+{{ zone_tmpl.zone_chains(zone, state_policy is vyos_defined, True) }}
+{% endif %}
+
{% if state_policy is vyos_defined %}
chain VYOS_STATE_POLICY6 {
{% if state_policy.established is vyos_defined %}
@@ -209,7 +215,4 @@ table ip6 vyos_filter {
return
}
{% endif %}
-{% if zone6_conf is vyos_defined %}
- include "{{ zone6_conf }}"
-{% endif %}
}