blockhosts add

block hosts add
CobitCoin · Jul 14, 2018 · c039bb8 · c039bb8
1 parent 7f3bd17
commit c039bb8
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Showing 10 changed files with 97 additions and 6 deletions.
diff --git a/.gitattributes b/.gitattributes
@@ -0,0 +1,2 @@
+.git* export-ignore
+/CMakeLists.txt export-subst
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,8 @@
+.DS_Store
+/build
+/tags
+.idea
+.ycm_extra_conf.py
+.ycm_extra_conf.pyc
+Release
+Debug
diff --git a/README.md b/README.md
@@ -4,6 +4,7 @@
 Due to changes in the security of the Nodes. We are updating their keys. 
 
 ## Please update your nodes or your transactions will be invalid !
+changes will occur after block 12800
 
 The change occurs automatically after the Daemons switch. The sources are available in Github:
 https://github.com/cobitcoin

diff --git a/ReleaseNotes.txt b/ReleaseNotes.txt
@@ -1,3 +1,3 @@
-Release notes 2.1.2
+Release notes 2.1.2.1252
 
-First Release with Cryptonote V-7
+First Release with Cryptonote V-7 and blockhosts
diff --git a/src/CryptoNoteConfig.h b/src/CryptoNoteConfig.h
@@ -36,7 +36,7 @@ const size_t   BLOCKCHAIN_TIMESTAMP_CHECK_WINDOW             = 60;
 // MONEY_SUPPLY - total number coins to be generated
 const uint64_t MONEY_SUPPLY                                  = UINT64_C(3000000000000000);
 const uint32_t KILL_HEIGHT                          = 0;
-const uint32_t POW_CRYPTONIGHT_V7_BLOCK_INDEX                 = 12500;
+const uint32_t POW_CRYPTONIGHT_V7_BLOCK_INDEX                 = 12800;
 const uint32_t POW_CRYPTONIGHT_V7_LAST_BLOCK                 = uint32_t(-1);
 const unsigned EMISSION_SPEED_FACTOR                         = 17;
 const uint64_t GENESIS_BLOCK_REWARD                          = UINT64_C(1000000000000000);
@@ -95,7 +95,6 @@ const char     CRYPTONOTE_POOLDATA_FILENAME[]                = "poolstate.bin";
 const char     P2P_NET_DATA_FILENAME[]                       = "p2pstate.bin";
 const char     MINER_CONFIG_FILE_NAME[]                      = "miner_conf.json";
 const char     GENESIS_COINBASE_TX_HEX[]                     = "010a01ff000100020e2d7b7d04326b6185856316653f29160fe6d5b80450c8b9f72cf920915c3db52101f4335efca6efe73b6147961a845f097abaf073846e0f0acb42f239f499fe9761";
-
 } // parameters
 
 const char     CRYPTONOTE_NAME[]                             = "cobitcoin";
@@ -129,6 +128,11 @@ const uint32_t P2P_DEFAULT_CONNECTION_TIMEOUT                = 5000;          //
 const uint32_t P2P_DEFAULT_PING_CONNECTION_TIMEOUT           = 2000;          // 2 seconds
 const uint64_t P2P_DEFAULT_INVOKE_TIMEOUT                    = 60 * 2 * 1000; // 2 minutes
 const size_t   P2P_DEFAULT_HANDSHAKE_INVOKE_TIMEOUT          = 5000;          // 5 seconds
+const uint32_t  P2P_FAILED_ADDR_FORGET_SECONDS                  = (60*60);     //1 hour
+const uint32_t  P2P_IP_BLOCKTIME                                 = (60*60*24);  //24 hour
+const uint32_t  P2P_IP_FAILS_BEFORE_BLOCK                       = 10;
+const uint32_t  P2P_IDLE_CONNECTION_KILL_INTERVAL               = (5*60); //5 minutes
+
 const char     P2P_STAT_TRUSTED_PUB_KEY[]                    = "2018f9a5a434a9f1510d13336228c0b1ee9c918ce505efe225d8c94d045f3684";
 
 const char* const SEED_NODES[] = { "217.182.199.62:18168", "139.99.106.13:18168", "74.208.10.18:18168" };
@@ -147,4 +151,3 @@ const std::initializer_list<CheckpointData> CHECKPOINTS = {  };
 
 
 
-
diff --git a/src/CryptoNoteProtocol/CryptoNoteProtocolHandler.cpp b/src/CryptoNoteProtocol/CryptoNoteProtocolHandler.cpp
@@ -335,6 +335,7 @@ int CryptoNoteProtocolHandler::handle_notify_new_block(int command, NOTIFY_NEW_B
       logger(Logging::TRACE) << context << "Block already exists";
     }
   } else if (result == error::AddBlockErrorCondition::BLOCK_REJECTED) {
+    m_p2p->drop_connection(context, true);
     context.m_state = CryptoNoteConnectionContext::state_synchronizing;
     NOTIFY_REQUEST_CHAIN::request r = boost::value_initialized<NOTIFY_REQUEST_CHAIN::request>();
     r.block_ids = m_core.buildSparseChain();

diff --git a/src/P2p/NetNode.cpp b/src/P2p/NetNode.cpp
@@ -345,6 +345,69 @@ std::string print_peerlist_to_string(const std::list<PeerlistEntry>& pl) {
 
   //-----------------------------------------------------------------------------------
 
+bool NodeServer::block_host(const uint32_t address_ip, time_t seconds)
+{
+  std::unique_lock<std::mutex> lock(mutex);
+  m_blocked_hosts[address_ip] = time(nullptr) + seconds;
+
+  // drop any connection to that IP
+  std::list<boost::uuids::uuid> conns;
+  forEachConnection([&](P2pConnectionContext& cntxt) {
+    if (cntxt.m_remote_ip == address_ip)
+    {
+      conns.push_back(cntxt.m_connection_id);
+    }
+    return true;
+  });
+  for (const auto &c_id: conns) {
+    auto c = m_connections.find(c_id);
+    if (c != m_connections.end())
+      c->second.m_state = CryptoNoteConnectionContext::state_shutdown;
+  }
+
+  logger(INFO) << "Host " << Common::ipAddressToString(address_ip) << " blocked.";
+  return true;
+}
+//-----------------------------------------------------------------------------------
+bool NodeServer::unblock_host(const uint32_t address_ip)
+{
+  std::unique_lock<std::mutex> lock(mutex);
+  auto i = m_blocked_hosts.find(address_ip);
+  if (i == m_blocked_hosts.end())
+    return false;
+  m_blocked_hosts.erase(i);
+  logger(INFO) << "Host " << Common::ipAddressToString(address_ip) << " unblocked.";
+  return true;
+}
+//-----------------------------------------------------------------------------------
+bool NodeServer::add_host_fail(const uint32_t address_ip)
+{
+  std::unique_lock<std::mutex> lock(mutex);
+  uint64_t fails = ++m_host_fails_score[address_ip];
+  logger(DEBUGGING) << "Host " << Common::ipAddressToString(address_ip) << " fail score=" << fails;
+  if(fails > P2P_IP_FAILS_BEFORE_BLOCK)
+  {
+    auto it = m_host_fails_score.find(address_ip);
+    if (it == m_host_fails_score.end()) {
+      logger(DEBUGGING) << "Internal error (add_host_fail)" << fails;
+      return false;
+    }
+    it->second = P2P_IP_FAILS_BEFORE_BLOCK/2;
+    block_host(address_ip);
+  }
+  return true;
+}
+
+//-----------------------------------------------------------------------------------
+void  NodeServer::drop_connection(CryptoNoteConnectionContext& context, bool add_fail)
+{
+  if (add_fail)
+    add_host_fail(context.m_remote_ip);
+
+  context.m_state = CryptoNoteConnectionContext::state_shutdown;
+}
+
+//-----------------------------------------------------------------------------------
   bool NodeServer::handle_command_line(const boost::program_options::variables_map& vm)
   {
     m_bind_ip = command_line::get_arg(vm, arg_p2p_bind_ip);
@@ -588,6 +651,7 @@ std::string print_peerlist_to_string(const std::list<PeerlistEntry>& pl) {
     }
 
     if (!handle_remote_peerlist(rsp.local_peerlist, rsp.node_data.local_time, context)) {
+        add_host_fail(context.m_remote_ip);
       logger(Logging::ERROR) << context << "COMMAND_HANDSHAKE: failed to handle_remote_peerlist(...), closing connection.";
       return false;
     }
@@ -1143,12 +1207,14 @@ std::string print_peerlist_to_string(const std::list<PeerlistEntry>& pl) {
     context.version = arg.node_data.version;
 
     if (arg.node_data.network_id != m_network_id) {
+        add_host_fail(context.m_remote_ip);
       logger(Logging::INFO) << context << "WRONG NETWORK AGENT CONNECTED! id=" << arg.node_data.network_id;
       context.m_state = CryptoNoteConnectionContext::state_shutdown;
       return 1;
     }
 
     if(!context.m_is_income) {
+        add_host_fail(context.m_remote_ip);
       logger(Logging::ERROR) << context << "COMMAND_HANDSHAKE came not from incoming connection";
       context.m_state = CryptoNoteConnectionContext::state_shutdown;
       return 1;

diff --git a/src/P2p/NetNode.h b/src/P2p/NetNode.h
@@ -176,10 +176,14 @@ namespace CryptoNote
     //----------------- i_p2p_endpoint -------------------------------------------------------------
     virtual void relay_notify_to_all(int command, const BinaryArray& data_buff, const net_connection_id* excludeConnection) override;
     virtual bool invoke_notify_to_peer(int command, const BinaryArray& req_buff, const CryptoNoteConnectionContext& context) override;
+    virtual void drop_connection(CryptoNoteConnectionContext& context, bool add_fail) override;
     virtual void for_each_connection(std::function<void(CryptoNote::CryptoNoteConnectionContext&, PeerIdType)> f) override;
     virtual void externalRelayNotifyToAll(int command, const BinaryArray& data_buff) override;
 
     //-----------------------------------------------------------------------------------------------
+bool block_host(const uint32_t address_ip, time_t seconds = P2P_IP_BLOCKTIME);
+bool unblock_host(const uint32_t address_ip);
+bool add_host_fail(const uint32_t address_ip);
     bool handle_command_line(const boost::program_options::variables_map& vm);
     bool handleConfig(const NetNodeConfig& config);
     bool append_net_address(std::vector<NetworkAddress>& nodes, const std::string& addr);
@@ -272,5 +276,9 @@ namespace CryptoNote
     std::list<PeerlistEntry> m_command_line_peers;
     uint64_t m_peer_livetime;
     boost::uuids::uuid m_network_id;
+  std::map<uint32_t, time_t> m_blocked_hosts;
+  std::map<uint32_t, uint64_t> m_host_fails_score;
+
+  mutable std::mutex mutex;
   };
 }
diff --git a/src/P2p/NetNodeCommon.h b/src/P2p/NetNodeCommon.h
@@ -28,6 +28,7 @@ namespace CryptoNote {
     virtual void relay_notify_to_all(int command, const BinaryArray& data_buff, const net_connection_id* excludeConnection) = 0;
     virtual bool invoke_notify_to_peer(int command, const BinaryArray& req_buff, const CryptoNote::CryptoNoteConnectionContext& context) = 0;
     virtual uint64_t get_connections_count()=0;
+    virtual void drop_connection(CryptoNoteConnectionContext& context, bool add_fail) = 0;
     virtual void for_each_connection(std::function<void(CryptoNote::CryptoNoteConnectionContext&, PeerIdType)> f) = 0;
     // can be called from external threads
     virtual void externalRelayNotifyToAll(int command, const BinaryArray& data_buff) = 0;
@@ -36,6 +37,7 @@ namespace CryptoNote {
   struct p2p_endpoint_stub: public IP2pEndpoint {
     virtual void relay_notify_to_all(int command, const BinaryArray& data_buff, const net_connection_id* excludeConnection) override {}
     virtual bool invoke_notify_to_peer(int command, const BinaryArray& req_buff, const CryptoNote::CryptoNoteConnectionContext& context) override { return true; }
+    virtual void drop_connection(CryptoNoteConnectionContext& context, bool add_fail) override {}
     virtual void for_each_connection(std::function<void(CryptoNote::CryptoNoteConnectionContext&, PeerIdType)> f) override {}
     virtual uint64_t get_connections_count() override { return 0; }   
     virtual void externalRelayNotifyToAll(int command, const BinaryArray& data_buff) override {}

diff --git a/src/version.h.in b/src/version.h.in
@@ -1,4 +1,4 @@
 #define BUILD_COMMIT_ID "@VERSION@"
 #define PROJECT_VERSION "2.1.2"
-#define PROJECT_VERSION_BUILD_NO "1251"
+#define PROJECT_VERSION_BUILD_NO "1252"
 #define PROJECT_VERSION_LONG PROJECT_VERSION "." PROJECT_VERSION_BUILD_NO " (" BUILD_COMMIT_ID ")"
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		.git* export-ignore
		/CMakeLists.txt export-subst