luci: add dns64 option

ReadMe.md

@@ -126,7 +126,7 @@ rtt min/avg/max/mdev = 5.954/6.133/6.313/0.195 ms
 1. **高性能、占用资源少**  
    多线程异步 IO 模式，cache 缓存查询结果。
 
-1. **主流系统官方支持**
+1. **主流系统官方支持**  
    主流路由系统官方软件源安装smartdns。
 
 ## 架构

ReadMe_en.md

@@ -121,7 +121,7 @@ From the comparison, smartdns found the fastest IP address to visit www.baidu.co
 1. **High performance, low resource consumption**  
    Multi-threaded asynchronous IO mode, cache cache query results.
 
-1. **DNS domain forwarding**
+1. **DNS domain forwarding**  
    Support DNS forwarding, ipset and nftables. Support setting the domain result to ipset and nftset set when speed check fails.
 
 ## Architecture

package/luci-compat/files/luci/i18n/smartdns.zh-cn.po

@@ -82,6 +82,9 @@ msgstr "协议类型"
 msgid "DNS domain result cache size"
 msgstr "缓存DNS的结果，缓存大小，配置零则不缓存"
 
+msgid "DNS64 Server Settings"
+msgstr "DNS64服务器配置"
+
 msgid "Description"
 msgstr "描述"
 

package/luci-compat/files/luci/model/cbi/smartdns/smartdns.lua

@@ -34,6 +34,7 @@ s.anonymous = true
 s:tab("settings", translate("General Settings"))
 s:tab("advanced", translate('Advanced Settings'))
 s:tab("seconddns", translate("Second Server Settings"))
+s:tab("dns64", translate("DNS64 Server Settings"))
 s:tab("proxy", translate("Proxy Server Settings"))
 s:tab("custom", translate("Custom Settings"))
 
@@ -371,6 +372,12 @@ function o.validate(self, value)
     return value
 end
 
+----- dns64 server settings
+o = s:taboption("dns64", Value, "dns64", translate("DNS64"));
+o.placeholder = "64:ff9b::/96"
+o.datatype = 'ip6addr'
+o.rmempty = true
+
 ----- custom settings
 custom = s:taboption("custom", Value, "Custom Settings",
 	translate(""), 

package/luci/files/luci/i18n/smartdns.zh-cn.po

@@ -90,6 +90,9 @@ msgstr "协议类型"
 msgid "DNS domain result cache size"
 msgstr "缓存DNS的结果，缓存大小，配置零则不缓存"
 
+msgid "DNS64 Server Settings"
+msgstr "DNS64服务器配置"
+
 msgid "default"
 msgstr "默认"
 

package/luci/files/root/www/luci-static/resources/view/smartdns/smartdns.js

@@ -131,6 +131,7 @@ return view.extend({
 		s.tab("settings", _("General Settings"));
 		s.tab("advanced", _('Advanced Settings'));
 		s.tab("seconddns", _("Second Server Settings"));
+		s.tab("dns64", _("DNS64 Server Settings"));
 		s.tab("files", _("Download Files Setting"), _("Download domain list files for domain-rule and include config files, please refresh the page after download to take effect."));
 		s.tab("proxy", _("Proxy Server Settings"));
 		s.tab("custom", _("Custom Settings"));
@@ -430,6 +431,14 @@ return view.extend({
 		o.rmempty = false;
 		o.default = o.disabled;
 
+		///////////////////////////////////////
+		// DNS64 Settings
+		///////////////////////////////////////
+		o = s.taboption("dns64", form.Value, "dns64", _("DNS64"));
+		o.placeholder = "64:ff9b::/96";
+		o.datatype = "ip6addr";
+		o.rempty = true;
+
 		///////////////////////////////////////
 		// download Files Settings
 		///////////////////////////////////////

package/openwrt/files/etc/init.d/smartdns

@@ -480,6 +480,7 @@ load_service()
 	config_get port "$section" "port" "53"
 	config_get ipv6_server "$section" "ipv6_server" "1"
 	config_get tcp_server "$section" "tcp_server" "1"
+	config_get server_flags "$section" "server_flags" ""
 
 	config_get speed_check_mode "$section" "speed_check_mode" ""
 	[ ! -z "$speed_check_mode" ] && conf_append "speed-check-mode" "$speed_check_mode"
@@ -563,6 +564,9 @@ load_service()
 	config_get proxy_server "$section" "proxy_server" ""
 	[ -z "$proxy_server" ] || conf_append "proxy-server" "$proxy_server -name default-proxy"
 	
+	config_get dns64 "$section" "dns64" ""
+	[ -z "$dns64" ] || conf_append "dns64" "$dns64"
+
 	config_get redirect "$section" "redirect" ""
 	config_get old_port "$section" "old_port" "0"
 	config_get old_enabled "$section" "old_enabled" "0"
@@ -629,7 +633,7 @@ load_service()
 		[ "$auto_set_dnsmasq" = "0" ] && [ "$old_auto_set_dnsmasq" = "1" ] && stop_forward_dnsmasq "$old_port" "0"
 	}
 
-	conf_append_bind "$port" "$device" "$tcp_server" "$ipv6_server" "$ARGS"
+	conf_append_bind "$port" "$device" "$tcp_server" "$ipv6_server" "$server_flags"
 
 	load_second_server "$section"