console: show the name of the logged in user after login

core/src/console/console.cc

@@ -1184,6 +1184,21 @@ int main(int argc, char *argv[])
      ConsoleOutput(response_args.JoinReadable().c_str());
    }
 
+   response_args.clear();
+   if (!UA_sock->ReceiveAndEvaluateResponseMessage(response_id, response_args)) {
+     Dmsg0(200, "Could not receive the response message\n");
+     TerminateConsole(0);
+     return 1;
+   }
+
+   if (response_id != kMessageIdInfoMessage) {
+     Dmsg0(200, "Could not receive the response message\n");
+     TerminateConsole(0);
+     return 1;
+   }
+   response_args.PopFront();
+   ConsoleOutput(response_args.JoinReadable().c_str());
+
    Dmsg0(40, "Opened connection with Director daemon\n");
 
    ConsoleOutput(_("\nEnter a period to cancel a command.\n"));

core/src/dird/authenticate_console.cc

@@ -231,6 +231,9 @@ bool AuthenticateUserAgent(UaContext *ua)
       }
     }
   }
+  std::string message{"You are logged in as: "};
+  message += ua->cons ? ua->cons->name() : "root";
+  ua->UA_sock->FormatAndSendResponseMessage(kMessageIdInfoMessage, message);
   return true;
 }
 } /* namespace directordaemon */

core/src/lib/bnet.h

@@ -55,6 +55,7 @@ enum : uint32_t {
   kMessageIdReceiveError = 2,
   kMessageIdOk = 1000,
   kMessageIdPamRequired = 1001,
+  kMessageIdInfoMessage = 1002,
   kMessageIdPamInteractive = 4001,
   kMessageIdPamUserCredentials = 4002
 };

core/src/lib/bstringlist.cc

@@ -93,6 +93,13 @@ void BStringList::Append(const char *str)
   emplace_back(str);
 }
 
+void BStringList::PopFront()
+{
+  if (size() >= 1) {
+    erase(begin());
+  }
+}
+
 std::string BStringList::Join(char separator) const
 {
   return Join(&separator);

core/src/lib/bstringlist.h

@@ -41,6 +41,7 @@ class BStringList : public std::vector<std::string>
   void Append(const std::vector<std::string> &vec);
   void Append(char character);
   void Append(const char *str);
+  void PopFront();
 
 private:
   std::string Join(const char *separator) const;