feat: Update 7 files

source/src/utils/directories.cpp

@@ -4,6 +4,7 @@
 #include "output.hpp"
 
 #include <iostream>
+#include <fstream>
 #include <string>
 #include <filesystem>
 
@@ -37,8 +38,31 @@ namespace dropshell
             return localpath::agent_local() + "/bb64";
         }
 
+        std::string agent_hash()
+        {
+            return localpath::agent_remote() + "/agent.hash";
+        }
+
     } // namespace localfile
 
+    std::string get_local_agent_hash()
+    {
+        std::string hash_file = localfile::agent_hash();
+        if (!std::filesystem::exists(hash_file))
+            return "";
+
+        std::ifstream f(hash_file);
+        if (!f.is_open())
+            return "";
+
+        std::string hash;
+        std::getline(f, hash);
+        // Trim whitespace
+        hash.erase(0, hash.find_first_not_of(" \t\n\r"));
+        hash.erase(hash.find_last_not_of(" \t\n\r") + 1);
+        return hash;
+    }
+
     // ------------------------------------------------------------------------------------------
 
     namespace localpath