luci: support bind device option

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

@@ -25,6 +25,12 @@ msgstr "自动设置Dnsmasq"
 msgid "Automatically set as upstream of dnsmasq when port changes."
 msgstr "自动设置为Dnsmasq的上游服务器"
 
+msgid "Bind Device"
+msgstr "绑定到设备"
+
+msgid "Bind Device Name"
+msgstr "绑定的设备名称"
+
 msgid "Cache Size"
 msgstr "缓存大小"
 
@@ -227,6 +233,9 @@ msgstr "包含配置文件，路径为/etc/smartdns/conf.d，或自定义配置
 msgid "List of files to download."
 msgstr "下载的文件列表。"
 
+msgid "Listen only on the specified interfaces."
+msgstr "监听在指定的设备上，避免非网络的DNS查询请求。"
+
 msgid "Local Port"
 msgstr "本地端口"
 
@@ -242,6 +251,9 @@ msgstr "所有域名的最大 TTL 值。"
 msgid "Minimum TTL for all domain result."
 msgstr "所有域名的最小 TTL 值。"
 
+msgid "Name of device name listen on."
+msgstr "绑定的设备名称。"
+
 msgid "NFTset Name"
 msgstr "NFTSet名称"
 

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

@@ -117,6 +117,20 @@ o.cfgvalue    = function(...)
     return Flag.cfgvalue(...) or "1"
 end
 
+---- bind to device;
+o = s:taboption("advanced", Flag, "bind_device", translate("Bind Device"), translate("Listen only on the specified interfaces."))
+o.rmempty     = false
+o.default     = o.enabled
+o.cfgvalue    = function(...)
+    return Flag.cfgvalue(...) or "1"
+end
+
+---- bind device name;
+o = s:taboption("advanced", Value, "bind_device_name", translate("Bind Device Name"), translate("Name of device name listen on."))
+o.placeholder = "default"
+o.rempty      = true
+o.datatype    = "string"
+
 ---- Support DualStack ip selection
 o = s:taboption("advanced", Flag, "dualstack_ip_selection", translate("Dual-stack IP Selection"), translate("Enable IP selection between IPV4 and IPV6"))
 o.rmempty     = false