add two maps string_to_onion and string_to_seclevel in util/onions.cc

util/onions.cc

+#include "util/onions.hh"
+
+std::map<std::string,onion> string_to_onion{
+    {"oDET",oDET},
+    {"oOPE",oOPE},
+    {"oAGG",oAGG},
+    {"oSWP",oSWP},
+    {"oPLAIN",oPLAIN},
+    {"oBESTEFFORT",oBESTEFFORT},
+    {"oASHE",oASHE},
+    {"oINVALID",oINVALID}
+};
+
+
+std::map<std::string,SECLEVEL> string_to_seclevel={
+    {"INVALID",SECLEVEL::INVALID},
+    {"PLAINVAL",SECLEVEL::PLAINVAL},
+    {"OPEFOREIGN",SECLEVEL::OPEFOREIGN},
+    {"OPE",SECLEVEL::OPE},
+    {"DETJOIN",SECLEVEL::DETJOIN},
+    {"DET",SECLEVEL::DET},
+    {"SEARCH",SECLEVEL::SEARCH},
+    {"HOM",SECLEVEL::HOM},
+    {"ASHE",SECLEVEL::ASHE},
+    {"RND",SECLEVEL::RND}
+};

util/onions.hh

@@ -18,6 +18,8 @@ typedef enum onion {
     oINVALID,
 } onion;
 
+extern std::map<std::string,onion> string_to_onion;
+
 //Sec levels ordered such that
 // if a is less secure than b.
 // a appears before b
@@ -36,6 +38,9 @@ enum class SECLEVEL {
     RND,
 };
 
+extern std::map<std::string,SECLEVEL> string_to_seclevel;
+
+
 //Onion layouts - initial structure of onions
 typedef std::map<onion, std::vector<SECLEVEL> > onionlayout;