firewall4: refresh fullcone patch

package/network/config/firewall4/patches/001-firewall4-add-support-for-fullcone-nat.patch

@@ -31,12 +31,12 @@ Renew: ZiMing Mo <msylgj@immortalwrt.org>
 +++ b/root/usr/share/firewall4/templates/ruleset.uc
 @@ -1,3 +1,4 @@
 +{# /usr/share/firewall4/templates/ruleset.uc #}
- {% let flowtable_devices = fw4.resolve_offload_devices(); -%}
- 
- table inet fw4
-@@ -238,6 +239,10 @@ table inet fw4 {
- {%   for (let redirect in fw4.redirects(`dstnat_${zone.name}`)): %}
- 		{%+ include("redirect.uc", { fw4, redirect }) %}
+ {%
+ 	let flowtable_devices = fw4.resolve_offload_devices();
+ 	let available_helpers = filter(fw4.helpers(), h => h.available);
+@@ -247,6 +248,10 @@ table inet fw4 {
+ {%   for (let rule in fw4.rules(`helper_${zone.name}`)): %}
+ 		{%+ include("rule.uc", { fw4, rule }) %}
  {%   endfor %}
 +{%   if (fw4.default_option("fullcone")): %}
 +		{%+ include("zone-fullcone.uc", { fw4, zone, direction: "dstnat" }) %}
@@ -45,7 +45,7 @@ Renew: ZiMing Mo <msylgj@immortalwrt.org>
  	}
  
  {%  endif %}
-@@ -246,7 +251,7 @@ table inet fw4 {
+@@ -320,7 +325,7 @@ table inet fw4 {
  {%   for (let redirect in fw4.redirects(`srcnat_${zone.name}`)): %}
  		{%+ include("redirect.uc", { fw4, redirect }) %}
  {%   endfor %}
@@ -54,7 +54,7 @@ Renew: ZiMing Mo <msylgj@immortalwrt.org>
  {%    for (let saddrs in zone.masq4_src_subnets): %}
  {%     for (let daddrs in zone.masq4_dest_subnets): %}
  		{%+ include("zone-masq.uc", { fw4, zone, family: 4, saddrs, daddrs }) %}
-@@ -260,6 +265,10 @@ table inet fw4 {
+@@ -334,6 +339,10 @@ table inet fw4 {
  {%     endfor %}
  {%    endfor %}
  {%   endif %}
@@ -62,9 +62,9 @@ Renew: ZiMing Mo <msylgj@immortalwrt.org>
 +		{%+ include("zone-fullcone.uc", { fw4, zone, direction: "srcnat" }) %}
 +{%   endif %}
 +
+ {%   fw4.includes('chain-append', `srcnat_${zone.name}`) %}
  	}
  
- {%  endif %}
 --- /dev/null
 +++ b/root/usr/share/firewall4/templates/zone-fullcone.uc
 @@ -0,0 +1,4 @@
@@ -106,7 +106,7 @@ Renew: ZiMing Mo <msylgj@immortalwrt.org>
  
  return {
  	read_kernel_version: function() {
-@@ -1377,6 +1398,7 @@ return {
+@@ -1385,6 +1406,7 @@ return {
  			"dnat",
  			"snat",
  			"masquerade",
@@ -114,7 +114,7 @@ Renew: ZiMing Mo <msylgj@immortalwrt.org>
  			"accept",
  			"reject",
  			"drop"
-@@ -1800,6 +1822,7 @@ return {
+@@ -1852,6 +1874,7 @@ return {
  		}
  
  		let defs = this.parse_options(data, {
@@ -122,7 +122,7 @@ Renew: ZiMing Mo <msylgj@immortalwrt.org>
  			input: [ "policy", "drop" ],
  			output: [ "policy", "drop" ],
  			forward: [ "policy", "drop" ],
-@@ -1832,6 +1855,14 @@ return {
+@@ -1884,6 +1907,14 @@ return {
  
  		delete defs.syn_flood;
  
@@ -137,7 +137,7 @@ Renew: ZiMing Mo <msylgj@immortalwrt.org>
  		this.state.defaults = defs;
  	},
  
-@@ -2056,10 +2087,15 @@ return {
+@@ -2110,10 +2141,15 @@ return {
  		zone.related_subnets = related_subnets;
  		zone.related_physdevs = related_physdevs;