Add server auth to monerod, and client auth to wallet-cli and wallet-rpc

contrib/epee/include/net/http_base.h

@@ -29,6 +29,9 @@
 #pragma once
 #include <boost/lexical_cast.hpp>
 #include <boost/regex.hpp>
+#include <boost/utility/string_ref.hpp>
+#include <string>
+#include <utility>
 
 #include "string_tools.h"
 
@@ -90,6 +93,15 @@ namespace net_utils
 			return std::string();
 		}
 
+		static inline void add_field(std::string& out, const boost::string_ref name, const boost::string_ref value)
+		{
+			out.append(name.data(), name.size()).append(": ");
+			out.append(value.data(), value.size()).append("\r\n");
+		}
+		static inline void add_field(std::string& out, const std::pair<std::string, std::string>& field)
+		{
+			add_field(out, field.first, field.second);
+		}
 
 
 		struct http_header_info