#include?
#include?
#include?
#include?
#include?
#include?
using?namespace?std;

class?DNS_Hijack?{
	private:
		list?interface_using;					//獲取本地可用網卡
		list?last_get_interface_using;
	private:	
		string?str;								//存儲文件讀取后的內容
		string?DNS;

	private:
		void?Get_using_interface（）
		{
			system（“netsh?interface?show?interface?>?interface_info.txt“）;
			
			FILE*?fp?=?fopen（“interface_info.txt“?“rb“）;
			const?int?file_size?=?filelength（fileno（fp））;
			char*?buff?=?（char*）malloc（sizeof（char）*file_size）;
			if?（fp）?{
				fread（buff?1?file_size?fp）;
				str?=?buff;
				free（buff）;
				replaceA_to_B（str?“-------------------------------------------------------------------------\r\n“?““）;
				Split（str?“\r\n“?interface_using）;
				Spilt_space（interface_using）;
			}
		}
	
	private:
		void?Spilt_space（list?list_str）?{
			for?（list::iterator?itor?=?list_str.begin（）;?itor?!=?list_str.end（）;?itor++）?{
				cout?<				string::size_type?first_variable?=?（*itor）.find（“已啟用“）;
				string::size_type?second_variable?=?（*itor）.find（“已連接“）;
				string::size_type?third_variable?=?（*itor）.find（“專用“）;
				if?（first_variable?!=?string::npos?&&?second_variable?!=?string::npos?&&?third_variable?!=?string::npos）?{
					string?info?=?*itor;
					last_get_interface_using.