Add TCP DNS server

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

@@ -40,6 +40,12 @@ msgstr "IPV4 53端口重定向失败"
 msgid "IPV6 53 Port Redirect Failure"
 msgstr "IPV6 53端口重定向失败"
 
+msgid "TCP Server"
+msgstr "TCP服务器"
+
+msgid "Enable TCP DNS Server"
+msgstr "启用TCP服务器"
+
 msgid "IPV6 Server"
 msgstr "IPV6服务器"
 

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

@@ -31,11 +31,19 @@ o.rempty      = false
 
 ---- Port
 o = s:taboption("settings", Value, "port", translate("Local Port"), translate("Smartdns local server port"))
-o.placeholder = 5353
-o.default     = 5353
+o.placeholder = 5053
+o.default     = 5053
 o.datatype    = "port"
 o.rempty      = false
 
+---- Enable TCP server
+o = s:taboption("settings", Flag, "tcp_server", translate("TCP Server"), translate("Enable TCP DNS Server"))
+o.rmempty     = false
+o.default     = o.enabled
+o.cfgvalue    = function(...)
+    return Flag.cfgvalue(...) or "1"
+end
+
 ---- Support IPV6
 o = s:taboption("settings", Flag, "ipv6_server", translate("IPV6 Server"), translate("Enable IPV6 DNS Server"))
 o.rmempty     = false

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

@@ -100,13 +100,22 @@ start_service() {
 		conf_append "server-name" "$server_name"	
 	fi
 
-	config_get "port" "$section" "port" "5353"
+	config_get "port" "$section" "port" "5053"
 	config_get "ipv6_server" "$section" "ipv6_server" "1"
+	config_get "tcp_server" "$section" "tcp_server" "1"
 	if [ "$ipv6_server" = "1" ]; then
 		conf_append "bind" "[::]:$port"
 	else
 		conf_append "bind" ":$port"
 	fi
+
+	if [ "$tcp_server" = "1" ]; then
+		if [ "$ipv6_server" = "1" ]; then
+			conf_append "bind-tcp" "[::]:$port"
+		else
+			conf_append "bind-tcp" ":$port"
+		fi
+	fi
 	SMARTDNS_PORT="$port"
 
 	mkdir -p $(dirname $SMARTDNS_CONF)

package/openwrt/make.sh

@@ -42,7 +42,7 @@ build()
 
     sed -i "s/^Architecture.*/Architecture: $ARCH/g" $ROOT/control/control
     sed -i "s/Version:.*/Version: $VER/" $ROOT/control/control
-    sed -i "s/^\(bind .*\):53/\1:5353/g" $ROOT/root/etc/smartdns/smartdns.conf
+    sed -i "s/^\(bind .*\):53/\1:5053/g" $ROOT/root/etc/smartdns/smartdns.conf
     if [ ! -z "$INST_SIZE" ]; then
         echo "Installed-Size: $INST_SIZE" >> $ROOT/control/control
     fi