p2p: lock access to the blocked ips map

src/p2p/net_node.h

@@ -120,7 +120,7 @@ namespace nodetool
     void delete_connections(size_t count);
     virtual bool block_ip(uint32_t adress, time_t seconds = P2P_IP_BLOCKTIME);
     virtual bool unblock_ip(uint32_t address);
-    virtual std::map<uint32_t, time_t> get_blocked_ips() const { return m_blocked_ips; }
+    virtual std::map<uint32_t, time_t> get_blocked_ips() { CRITICAL_REGION_LOCAL(m_blocked_ips_lock); return m_blocked_ips; }
   private:
     const std::vector<std::string> m_seed_nodes_list =
     { "seeds.moneroseeds.se"

src/p2p/net_node_common.h

@@ -52,7 +52,7 @@ namespace nodetool
     virtual void for_each_connection(std::function<bool(t_connection_context&, peerid_type)> f)=0;
     virtual bool block_ip(uint32_t adress, time_t seconds = 0)=0;
     virtual bool unblock_ip(uint32_t adress)=0;
-    virtual std::map<uint32_t, time_t> get_blocked_ips()const=0;
+    virtual std::map<uint32_t, time_t> get_blocked_ips()=0;
     virtual bool add_ip_fail(uint32_t adress)=0;
   };
 
@@ -96,7 +96,7 @@ namespace nodetool
     {
       return true;
     }
-    virtual std::map<uint32_t, time_t> get_blocked_ips() const
+    virtual std::map<uint32_t, time_t> get_blocked_ips()
     {
       return std::map<uint32_t, time_t>();
     }