Prevent malicious peer from replaying user ping

2 files changed, 3 insertions, 4 deletions

diff --git a/include/Channel.hpp b/include/Channel.hpp
index 28d174b..26b5286 100644
--- a/include/Channel.hpp
+++ b/include/Channel.hpp
@@ -63,12 +63,12 @@ namespace dchat
         
         void update();
         // Returns 0 if we are offline
-        u64 getSyncedTimestampUtcCombined();
+        u32 getSyncedTimestampUtcInSec();
         
         static void setCurrent(Channel *channel);
         static Channel* getCurrent();
     private:
-        void sendPing(u32 pingCounter, u64 pingTimestamp);
+        void sendPing(u32 pingTimestampSec);
     protected:
         odhtdb::Database *database;
         odhtdb::DatabaseNode databaseNodeInfo;
diff --git a/include/User.hpp b/include/User.hpp
index ac08e36..c2874c2 100644
--- a/include/User.hpp
+++ b/include/User.hpp
@@ -38,8 +38,7 @@ namespace dchat
         bool isOnlineUser() const override { return true; }
         
         std::string name;
-        u32 pingCounter;
-        u64 pingTimestamp;
+        u32 pingTimestampSec;
     };
     
     class OnlineRemoteUser : public OnlineUser