fw4: pass zone to templates whenever possible

For those cases where the rule, redirect or .... are related to
a zone, pass it to the template.

Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
[whitespace cleanup]
Signed-off-by: Jo-Philipp Wich <jo@mein.io>

root/usr/share/firewall4/templates/ruleset.uc

@@ -108,7 +108,7 @@ table inet fw4 {
 		tcp flags & (fin | syn | rst | ack) == syn jump syn_flood comment "!fw4: Rate limit TCP syn packets"
 {% endif %}
 {% for (let rule in fw4.rules("input")): %}
-		{%+ include("rule.uc", { fw4, rule }) %}
+		{%+ include("rule.uc", { fw4, zone: null, rule }) %}
 {% endfor %}
 {% for (let zone in fw4.zones()): for (let rule in zone.match_rules): %}
 		{%+ include("zone-jump.uc", { fw4, zone, rule, direction: "input" }) %}
@@ -131,7 +131,7 @@ table inet fw4 {
 		ct state invalid drop comment "!fw4: Drop flows with invalid conntrack state"
 {% endif %}
 {% for (let rule in fw4.rules("forward")): %}
-		{%+ include("rule.uc", { fw4, rule }) %}
+		{%+ include("rule.uc", { fw4, zone: null, rule }) %}
 {% endfor %}
 {% for (let zone in fw4.zones()): for (let rule in zone.match_rules): %}
 		{%+ include("zone-jump.uc", { fw4, zone, rule, direction: "forward" }) %}
@@ -153,7 +153,7 @@ table inet fw4 {
 		ct state invalid drop comment "!fw4: Drop flows with invalid conntrack state"
 {% endif %}
 {% for (let rule in fw4.rules("output")): %}
-		{%+ include("rule.uc", { fw4, rule }) %}
+		{%+ include("rule.uc", { fw4, zone: null, rule }) %}
 {% endfor %}
 {% for (let zone in fw4.zones()): %}
 {%  for (let rule in zone.match_rules): %}
@@ -216,7 +216,7 @@ table inet fw4 {
 	chain input_{{ zone.name }} {
 {%  fw4.includes('chain-prepend', `input_${zone.name}`) %}
 {%  for (let rule in fw4.rules(`input_${zone.name}`)): %}
-		{%+ include("rule.uc", { fw4, rule }) %}
+		{%+ include("rule.uc", { fw4, zone, rule }) %}
 {%  endfor %}
 {%  if (zone.dflags.dnat): %}
 		ct status dnat accept comment "!fw4: Accept port redirections"
@@ -228,7 +228,7 @@ table inet fw4 {
 	chain output_{{ zone.name }} {
 {%  fw4.includes('chain-prepend', `output_${zone.name}`) %}
 {%  for (let rule in fw4.rules(`output_${zone.name}`)): %}
-		{%+ include("rule.uc", { fw4, rule }) %}
+		{%+ include("rule.uc", { fw4, zone, rule }) %}
 {%  endfor %}
 {%  fw4.includes('chain-append', `output_${zone.name}`) %}
 		jump {{ zone.output }}_to_{{ zone.name }}
@@ -237,7 +237,7 @@ table inet fw4 {
 	chain forward_{{ zone.name }} {
 {%  fw4.includes('chain-prepend', `forward_${zone.name}`) %}
 {%  for (let rule in fw4.rules(`forward_${zone.name}`)): %}
-		{%+ include("rule.uc", { fw4, rule }) %}
+		{%+ include("rule.uc", { fw4, zone, rule }) %}
 {%  endfor %}
 {%  if (zone.dflags.dnat): %}
 		ct status dnat accept comment "!fw4: Accept port forwards"
@@ -252,7 +252,7 @@ table inet fw4 {
 {%  if (zone.dflags.helper): %}
 	chain helper_{{ zone.name }} {
 {%   for (let rule in fw4.rules(`helper_${zone.name}`)): %}
-		{%+ include("rule.uc", { fw4, rule }) %}
+		{%+ include("rule.uc", { fw4, zone, rule }) %}
 {%   endfor %}
 	}
 
@@ -301,7 +301,7 @@ table inet fw4 {
 		type nat hook postrouting priority srcnat; policy accept;
 {% fw4.includes('chain-prepend', 'srcnat') %}
 {% for (let redirect in fw4.redirects("srcnat")): %}
-		{%+ include("redirect.uc", { fw4, redirect }) %}
+		{%+ include("redirect.uc", { fw4, zone: null, redirect }) %}
 {% endfor %}
 {% for (let zone in fw4.zones()): %}
 {%  if (zone.dflags.snat): %}
@@ -318,7 +318,7 @@ table inet fw4 {
 	chain dstnat_{{ zone.name }} {
 {%   fw4.includes('chain-prepend', `dstnat_${zone.name}`) %}
 {%   for (let redirect in fw4.redirects(`dstnat_${zone.name}`)): %}
-		{%+ include("redirect.uc", { fw4, redirect }) %}
+		{%+ include("redirect.uc", { fw4, zone, redirect }) %}
 {%   endfor %}
 {%   fw4.includes('chain-append', `dstnat_${zone.name}`) %}
 	}
@@ -328,7 +328,7 @@ table inet fw4 {
 	chain srcnat_{{ zone.name }} {
 {%   fw4.includes('chain-prepend', `srcnat_${zone.name}`) %}
 {%   for (let redirect in fw4.redirects(`srcnat_${zone.name}`)): %}
-		{%+ include("redirect.uc", { fw4, redirect }) %}
+		{%+ include("redirect.uc", { fw4, zone, redirect }) %}
 {%   endfor %}
 {%   if (zone.masq): %}
 {%    for (let saddrs in zone.masq4_src_subnets): %}
@@ -391,7 +391,7 @@ table inet fw4 {
 {%   if (zone.dflags.notrack): %}
 	chain notrack_{{ zone.name }} {
 {% for (let rule in fw4.rules(`notrack_${zone.name}`)): %}
-		{%+ include("rule.uc", { fw4, rule }) %}
+		{%+ include("rule.uc", { fw4, zone, rule }) %}
 {% endfor %}
 	}
 
@@ -406,7 +406,7 @@ table inet fw4 {
 		type filter hook prerouting priority mangle; policy accept;
 {% fw4.includes('chain-prepend', 'mangle_prerouting') %}
 {% for (let rule in fw4.rules("mangle_prerouting")): %}
-		{%+ include("rule.uc", { fw4, rule }) %}
+		{%+ include("rule.uc", { fw4, zone: null, rule }) %}
 {% endfor %}
 {% fw4.includes('chain-append', 'mangle_prerouting') %}
 	}
@@ -415,7 +415,7 @@ table inet fw4 {
 		type filter hook postrouting priority mangle; policy accept;
 {% fw4.includes('chain-prepend', 'mangle_postrouting') %}
 {% for (let rule in fw4.rules("mangle_postrouting")): %}
-		{%+ include("rule.uc", { fw4, rule }) %}
+		{%+ include("rule.uc", { fw4, zone: null, rule }) %}
 {% endfor %}
 {% fw4.includes('chain-append', 'mangle_postrouting') %}
 	}
@@ -424,7 +424,7 @@ table inet fw4 {
 		type filter hook input priority mangle; policy accept;
 {% fw4.includes('chain-prepend', 'mangle_input') %}
 {% for (let rule in fw4.rules("mangle_input")): %}
-		{%+ include("rule.uc", { fw4, rule }) %}
+		{%+ include("rule.uc", { fw4, zone: null, rule }) %}
 {% endfor %}
 {% fw4.includes('chain-append', 'mangle_input') %}
 	}
@@ -433,7 +433,7 @@ table inet fw4 {
 		type route hook output priority mangle; policy accept;
 {% fw4.includes('chain-prepend', 'mangle_output') %}
 {% for (let rule in fw4.rules("mangle_output")): %}
-		{%+ include("rule.uc", { fw4, rule }) %}
+		{%+ include("rule.uc", { fw4, zone: null, rule }) %}
 {% endfor %}
 {% fw4.includes('chain-append', 'mangle_output') %}
 	}
@@ -442,7 +442,7 @@ table inet fw4 {
 		type filter hook forward priority mangle; policy accept;
 {% fw4.includes('chain-prepend', 'mangle_forward') %}
 {% for (let rule in fw4.rules("mangle_forward")): %}
-		{%+ include("rule.uc", { fw4, rule }) %}
+		{%+ include("rule.uc", { fw4, zone: null, rule }) %}
 {% endfor %}
 {% for (let zone in fw4.zones()): %}
 {%  if (zone.mtu_fix): %}