add RPC calls and commands to get/set bans

src/daemon/command_parser_executor.cpp

@@ -392,5 +392,34 @@ bool t_command_parser_executor::hard_fork_info(const std::vector<std::string>& a
   return m_executor.hard_fork_info(version);
 }
 
+bool t_command_parser_executor::show_bans(const std::vector<std::string>& args)
+{
+  if (!args.empty()) return false;
+  return m_executor.print_bans();
+}
+
+bool t_command_parser_executor::ban(const std::vector<std::string>& args)
+{
+  if (args.size() != 1 && args.size() != 2) return false;
+  std::string ip = args[0];
+  time_t seconds = P2P_IP_BLOCKTIME;
+  if (args.size() > 1)
+  {
+    seconds = std::stoi(args[0]);
+    if (seconds == 0)
+    {
+      return false;
+    }
+  }
+  return m_executor.ban(ip, seconds);
+}
+
+bool t_command_parser_executor::unban(const std::vector<std::string>& args)
+{
+  if (args.size() != 1) return false;
+  std::string ip = args[0];
+  return m_executor.unban(ip);
+}
+
 
 } // namespace daemonize

src/daemon/command_parser_executor.h

@@ -106,6 +106,12 @@ public:
   bool stop_save_graph(const std::vector<std::string>& args);
   
   bool hard_fork_info(const std::vector<std::string>& args);
+
+  bool show_bans(const std::vector<std::string>& args);
+
+  bool ban(const std::vector<std::string>& args);
+
+  bool unban(const std::vector<std::string>& args);
 };
 
 } // namespace daemonize

src/daemon/command_server.cpp

@@ -194,6 +194,21 @@ t_command_server::t_command_server(
     , std::bind(&t_command_parser_executor::hard_fork_info, &m_parser, p::_1)
     , "Print hard fork voting information"
     );
+    m_command_lookup.set_handler(
+      "bans"
+    , std::bind(&t_command_parser_executor::show_bans, &m_parser, p::_1)
+    , "Show the currently banned IPs"
+    );
+    m_command_lookup.set_handler(
+      "ban"
+    , std::bind(&t_command_parser_executor::ban, &m_parser, p::_1)
+    , "Ban a given IP for a time"
+    );
+    m_command_lookup.set_handler(
+      "unban"
+    , std::bind(&t_command_parser_executor::unban, &m_parser, p::_1)
+    , "Unban a given IP"
+    );
 }
 
 bool t_command_server::process_command_str(const std::string& cmd)

src/daemon/rpc_command_executor.cpp

@@ -1036,4 +1036,110 @@ bool t_rpc_command_executor::hard_fork_info(uint8_t version)
     return true;
 }
 
+bool t_rpc_command_executor::print_bans()
+{
+    cryptonote::COMMAND_RPC_GETBANS::request req;
+    cryptonote::COMMAND_RPC_GETBANS::response res;
+    std::string fail_message = "Unsuccessful";
+    epee::json_rpc::error error_resp;
+
+    if (m_is_rpc)
+    {
+        if (!m_rpc_client->json_rpc_request(req, res, "get_bans", fail_message.c_str()))
+        {
+            return true;
+        }
+    }
+    else
+    {
+        if (!m_rpc_server->on_get_bans(req, res, error_resp))
+        {
+            tools::fail_msg_writer() << fail_message.c_str();
+            return true;
+        }
+    }
+
+    time_t now = time(nullptr);
+    for (auto i = res.bans.begin(); i != res.bans.end(); ++i)
+    {
+        time_t seconds = i->seconds - now;
+        tools::msg_writer() << epee::string_tools::get_ip_string_from_int32(i->ip) << " banned for " << seconds << " seconds";
+    }
+
+    return true;
+}
+
+
+bool t_rpc_command_executor::ban(const std::string &ip, time_t seconds)
+{
+    cryptonote::COMMAND_RPC_SETBANS::request req;
+    cryptonote::COMMAND_RPC_SETBANS::response res;
+    std::string fail_message = "Unsuccessful";
+    epee::json_rpc::error error_resp;
+
+    cryptonote::COMMAND_RPC_SETBANS::ban ban;
+    if (!epee::string_tools::get_ip_int32_from_string(ban.ip, ip))
+    {
+        tools::fail_msg_writer() << "Invalid IP";
+        return true;
+    }
+    ban.ban = true;
+    ban.seconds = seconds;
+    req.bans.push_back(ban);
+
+    if (m_is_rpc)
+    {
+        if (!m_rpc_client->json_rpc_request(req, res, "set_bans", fail_message.c_str()))
+        {
+            return true;
+        }
+    }
+    else
+    {
+        if (!m_rpc_server->on_set_bans(req, res, error_resp))
+        {
+            tools::fail_msg_writer() << fail_message.c_str();
+            return true;
+        }
+    }
+
+    return true;
+}
+
+bool t_rpc_command_executor::unban(const std::string &ip)
+{
+    cryptonote::COMMAND_RPC_SETBANS::request req;
+    cryptonote::COMMAND_RPC_SETBANS::response res;
+    std::string fail_message = "Unsuccessful";
+    epee::json_rpc::error error_resp;
+
+    cryptonote::COMMAND_RPC_SETBANS::ban ban;
+    if (!epee::string_tools::get_ip_int32_from_string(ban.ip, ip))
+    {
+        tools::fail_msg_writer() << "Invalid IP";
+        return true;
+    }
+    ban.ban = false;
+    ban.seconds = 0;
+    req.bans.push_back(ban);
+
+    if (m_is_rpc)
+    {
+        if (!m_rpc_client->json_rpc_request(req, res, "set_bans", fail_message.c_str()))
+        {
+            return true;
+        }
+    }
+    else
+    {
+        if (!m_rpc_server->on_set_bans(req, res, error_resp))
+        {
+            tools::fail_msg_writer() << fail_message.c_str();
+            return true;
+        }
+    }
+
+    return true;
+}
+
 }// namespace daemonize

src/daemon/rpc_command_executor.h

@@ -124,6 +124,12 @@ public:
   bool stop_save_graph();
   
   bool hard_fork_info(uint8_t version);
+
+  bool print_bans();
+
+  bool ban(const std::string &ip, time_t seconds);
+
+  bool unban(const std::string &ip);
 };
 
 } // namespace daemonize