Fixes

backend/binsrc/utils.hpp

@@ -0,0 +1,28 @@
+#include <string>
+#include <unistd.h>
+
+#ifndef UTILS_HPP
+#define UTILS_HPP
+
+bool unhexlify(std::string const &hex, std::string &newString) {
+   try{
+      int len = hex.length();
+      for(int i=0; i< len; i+=2)
+      {
+         std::string byte = hex.substr(i,2);
+         char chr = (char) (int)strtol(byte.c_str(), NULL, 16);
+         newString.push_back(chr);
+      }
+      return true;
+   }
+   catch (...){
+      return false;
+   }
+}
+
+
+bool is_sudo(){
+	return getuid() == 0;
+}
+
+#endif