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authorChristian Breunig <christian@breunig.cc>2023-10-19 20:06:52 +0200
committerGitHub <noreply@github.com>2023-10-19 20:06:52 +0200
commit0dcddbd4594fa957a331c9e5ef752b035513bc12 (patch)
tree787585a6e5ea18c1ef1dba96f7ec093742ae9bf4 /data/templates/firewall
parentc2edbc6c414024b46f5908cf646d64600eb6270f (diff)
parentc82fe6540c0c0c499434c3ccbb4228b30b24e924 (diff)
downloadvyos-1x-0dcddbd4594fa957a331c9e5ef752b035513bc12.tar.gz
vyos-1x-0dcddbd4594fa957a331c9e5ef752b035513bc12.zip
Merge pull request #2362 from nicolas-fort/T5541
T5541: firewall zone: re add firewall zone-base firewall
Diffstat (limited to 'data/templates/firewall')
-rw-r--r--data/templates/firewall/nftables-zone.j269
-rw-r--r--data/templates/firewall/nftables.j29
2 files changed, 78 insertions, 0 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 1b46fb5d4..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
@@ -151,6 +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 %}
@@ -260,6 +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
@@ -269,4 +277,5 @@ delete table bridge vyos_filter
table bridge vyos_filter {
{{ bridge_tmpl.bridge(bridge) }}
{{ group_tmpl.groups(group, False, False) }}
+
}