From f86041de88c3b0e0ce9ecc6d2cbc309bc8cb28e2 Mon Sep 17 00:00:00 2001
From: sarthurdev <965089+sarthurdev@users.noreply.github.com>
Date: Sun, 1 Aug 2021 00:13:47 +0200
Subject: policy: T2199: Migrate policy route to XML/Python

---
 data/templates/firewall/nftables-policy.tmpl | 53 ++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 data/templates/firewall/nftables-policy.tmpl

(limited to 'data/templates/firewall/nftables-policy.tmpl')

diff --git a/data/templates/firewall/nftables-policy.tmpl b/data/templates/firewall/nftables-policy.tmpl
new file mode 100644
index 000000000..aa6bb6fc1
--- /dev/null
+++ b/data/templates/firewall/nftables-policy.tmpl
@@ -0,0 +1,53 @@
+#!/usr/sbin/nft -f
+
+table ip mangle {
+{% if first_install is defined %}
+    chain VYOS_PBR_PREROUTING {
+        type filter hook prerouting priority -150; policy accept;
+    }
+    chain VYOS_PBR_POSTROUTING {
+        type filter hook postrouting priority -150; policy accept;
+    }
+{% endif %}
+{% if route is defined -%}
+{%   for route_text, conf in route.items() %}
+    chain VYOS_PBR_{{ route_text }} {
+{%     if conf.rule is defined %}
+{%       for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not defined %}
+        {{ rule_conf | nft_rule(route_text, rule_id, 'ip') }}
+{%       endfor %}
+{%     endif %}
+{%     if conf.default_action is defined %}
+        counter {{ conf.default_action | nft_action }} comment "{{ name_text }} default-action {{ conf.default_action }}"
+{%     else %}
+        counter return
+{%     endif %}
+    }
+{%   endfor %}
+{%- endif %}
+}
+
+table ip6 mangle {
+{% if first_install is defined %}
+    chain VYOS_PBR6_PREROUTING {
+        type filter hook prerouting priority -150; policy accept;
+    }
+    chain VYOS_PBR6_POSTROUTING {
+        type filter hook postrouting priority -150; policy accept;
+    }
+{% endif %}
+{% if ipv6_route is defined %}
+{%   for route_text, conf in ipv6_route.items() %}
+    chain VYOS_PBR6_{{ route_text }} {
+{%     if conf.rule is defined %}
+{%       for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not defined %}
+        {{ rule_conf | nft_rule(route_text, rule_id, 'ip6') }}
+{%       endfor %}
+{%     endif %}
+{%     if conf.default_action is defined %}
+        counter {{ conf.default_action | nft_action }} comment "{{ name_text }} default-action {{ conf.default_action }}"
+{%     endif %}
+    }
+{%   endfor %}
+{% endif %}
+}
-- 
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