added some code

wrote some code to test some functionallity

src/client_backend/permissions.cpp

@@ -0,0 +1,27 @@
+#ifndef PERMISSIONS_CPP
+#define PERMISSIONS_CPP
+#include "permissions.h"
+/*
+1 create file (as admin)
+2 set file as read only (also as admin)
+file cannot be deleted or modified by anyone. admin can delete
+
+*/
+/*
+int main() {
+    FILE* fp;
+    fp = fopen("c:\\programdata\\jakach\\aa.txt", "w");
+    fprintf(fp, "secure text");
+    fclose(fp);
+    chmod("c:\\programdata\\jakach\\aa.txt", _S_IREAD);
+}
+
+*/
+int protect_file(char* path) {
+    return _chmod(path, _S_IREAD);
+}
+int unprotect_file(char* path) {
+	return _chmod(path, _S_IWRITE | _S_IREAD);
+}
+
+#endif