user banning

cockatrice/src/abstractclient.cpp

@@ -32,6 +32,7 @@ void AbstractClient::processProtocolItem(ProtocolItem *item)
 	GenericEvent *genericEvent = qobject_cast<GenericEvent *>(item);
 	if (genericEvent) {
 		switch (genericEvent->getItemId()) {
+			case ItemId_Event_ConnectionClosed: emit connectionClosedEventReceived(qobject_cast<Event_ConnectionClosed *>(item)); break;
 			case ItemId_Event_AddToList: emit addToListEventReceived(qobject_cast<Event_AddToList *>(item)); break;
 			case ItemId_Event_RemoveFromList: emit removeFromListEventReceived(qobject_cast<Event_RemoveFromList *>(item)); break;
 			case ItemId_Event_UserJoined: emit userJoinedEventReceived(qobject_cast<Event_UserJoined *>(item)); break;
@@ -63,7 +64,6 @@ void AbstractClient::processProtocolItem(ProtocolItem *item)
 	}
 }
 
-
 void AbstractClient::setStatus(const ClientStatus _status)
 {
 	if (_status != status) {

cockatrice/src/abstractclient.h

@@ -20,6 +20,7 @@ class Event_ServerMessage;
 class Event_ListRooms;
 class Event_GameJoined;
 class Event_Message;
+class Event_ConnectionClosed;
 
 enum ClientStatus {
 	StatusDisconnected,
@@ -41,6 +42,7 @@ signals:
 	// Game events
 	void gameEventContainerReceived(GameEventContainer *event);
 	// Generic events
+	void connectionClosedEventReceived(Event_ConnectionClosed *event);
 	void addToListEventReceived(Event_AddToList *event);
 	void removeFromListEventReceived(Event_RemoveFromList *event);
 	void userJoinedEventReceived(Event_UserJoined *event);

cockatrice/src/localserverinterface.h

@@ -19,6 +19,7 @@ private:
 	ResponseCode cmdDeckUpload(Command_DeckUpload * /*cmd*/, CommandContainer * /*cont*/) { return RespFunctionNotAllowed; }
 	ResponseCode cmdDeckDownload(Command_DeckDownload * /*cmd*/, CommandContainer * /*cont*/) { return RespFunctionNotAllowed; }
 	ResponseCode cmdUpdateServerMessage(Command_UpdateServerMessage * /*cmd*/, CommandContainer * /*cont*/) { return RespFunctionNotAllowed; }
+	ResponseCode cmdBanFromServer(Command_BanFromServer * /*cmd*/, CommandContainer * /*cont*/) { return RespFunctionNotAllowed; }
 public:
 	LocalServerInterface(LocalServer *_server);
 	~LocalServerInterface();

cockatrice/src/main.h

@@ -8,7 +8,7 @@ extern CardDatabase *db;
 
 extern QTranslator *translator;
 const QString translationPrefix = "cockatrice";
-const QString versionString = "0.20110123";
+const QString versionString = "0.20110303";
 
 void installNewTranslator();
 

cockatrice/src/remoteclient.cpp

@@ -31,8 +31,9 @@ RemoteClient::~RemoteClient()
 
 void RemoteClient::slotSocketError(QAbstractSocket::SocketError /*error*/)
 {
-	emit socketError(socket->errorString());
+	QString errorString = socket->errorString();
 	disconnectFromServer();
+	emit socketError(errorString);
 }
 
 void RemoteClient::slotConnected()

cockatrice/src/tab_admin.cpp

@@ -7,7 +7,7 @@
 #include "protocol_items.h"
 
 TabAdmin::TabAdmin(TabSupervisor *_tabSupervisor, AbstractClient *_client, QWidget *parent)
-	: Tab(_tabSupervisor, parent), client(_client)
+	: Tab(_tabSupervisor, parent), locked(true), client(_client)
 {
 	updateServerMessageButton = new QPushButton;
 	connect(updateServerMessageButton, SIGNAL(clicked()), this, SLOT(actUpdateServerMessage()));
@@ -55,6 +55,7 @@ void TabAdmin::actUnlock()
 		adminGroupBox->setEnabled(true);
 		lockButton->setEnabled(true);
 		unlockButton->setEnabled(false);
+		locked = false;
 	}
 }
 
@@ -63,4 +64,5 @@ void TabAdmin::actLock()
 	adminGroupBox->setEnabled(false);
 	lockButton->setEnabled(false);
 	unlockButton->setEnabled(true);
+	locked = true;
 }

cockatrice/src/tab_admin.h

@@ -11,6 +11,7 @@ class QPushButton;
 class TabAdmin : public Tab {
 	Q_OBJECT
 private:
+	bool locked;
 	AbstractClient *client;
 	QPushButton *updateServerMessageButton;
 	QGroupBox *adminGroupBox;
@@ -24,6 +25,7 @@ public:
 	TabAdmin(TabSupervisor *_tabSupervisor, AbstractClient *_client, QWidget *parent = 0);
 	void retranslateUi();
 	QString getTabText() const { return tr("Administration"); }
+	bool getLocked() const { return locked; }
 };
 
 #endif

cockatrice/src/tab_room.cpp

@@ -132,7 +132,7 @@ TabRoom::TabRoom(TabSupervisor *_tabSupervisor, AbstractClient *_client, const Q
 		gameTypes.insert(gameTypeList[i]->getGameTypeId(), gameTypeList[i]->getDescription());
 	
 	gameSelector = new GameSelector(client, this);
-	userList = new UserList(tabSupervisor->getUserListsTab(), client, UserList::RoomList);
+	userList = new UserList(tabSupervisor, client, UserList::RoomList);
 	connect(userList, SIGNAL(openMessageDialog(const QString &, bool)), this, SIGNAL(openMessageDialog(const QString &, bool)));
 	
 	chatView = new ChatView(ownName);
@@ -205,10 +205,18 @@ void TabRoom::sendMessage()
 	if (sayEdit->text().isEmpty())
 	  	return;
 	
-	client->sendCommand(new Command_RoomSay(roomId, sayEdit->text()));
+	Command_RoomSay *cmd = new Command_RoomSay(roomId, sayEdit->text());
+	connect(cmd, SIGNAL(finished(ProtocolResponse *)), this, SLOT(sayFinished(ProtocolResponse *)));
+	client->sendCommand(cmd);
 	sayEdit->clear();
 }
 
+void TabRoom::sayFinished(ProtocolResponse *response)
+{
+	if (response->getResponseCode() == RespChatFlood)
+		chatView->appendMessage(QString(), tr("You are flooding the chat. Please wait a couple of seconds."));
+}
+
 void TabRoom::actLeaveRoom()
 {
 	client->sendCommand(new Command_LeaveRoom(roomId));

cockatrice/src/tab_room.h

@@ -23,6 +23,7 @@ class Event_ListGames;
 class Event_JoinRoom;
 class Event_LeaveRoom;
 class Event_RoomSay;
+class ProtocolResponse;
 class TabRoom;
 
 class GameSelector : public QGroupBox {
@@ -73,6 +74,7 @@ signals:
 private slots:
 	void sendMessage();
 	void actLeaveRoom();
+	void sayFinished(ProtocolResponse *response);
 	
 	void processListGamesEvent(Event_ListGames *event);
 	void processJoinRoomEvent(Event_JoinRoom *event);

cockatrice/src/tab_supervisor.cpp

@@ -291,3 +291,10 @@ void TabSupervisor::updateCurrent(int index)
 	} else
 		emit setMenu(0);
 }
+
+bool TabSupervisor::getAdminLocked() const
+{
+	if (!tabAdmin)
+		return true;
+	return tabAdmin->getLocked();
+}

cockatrice/src/tab_supervisor.h

@@ -45,6 +45,7 @@ public:
 	void stop();
 	int getGameCount() const { return gameTabs.size(); }
 	TabUserLists *getUserListsTab() const { return tabUserLists; }
+	bool getAdminLocked() const;
 signals:
 	void setMenu(QMenu *menu);
 	void localGameEnded();

cockatrice/src/tab_userlists.cpp

@@ -10,9 +10,9 @@
 TabUserLists::TabUserLists(TabSupervisor *_tabSupervisor, AbstractClient *_client, ServerInfo_User *userInfo, QWidget *parent)
 	: Tab(_tabSupervisor, parent), client(_client)
 {
-	allUsersList = new UserList(this, client, UserList::AllUsersList);
+	allUsersList = new UserList(_tabSupervisor, client, UserList::AllUsersList);
-	buddyList = new UserList(this, client, UserList::BuddyList);
+	buddyList = new UserList(_tabSupervisor, client, UserList::BuddyList);
-	ignoreList = new UserList(this, client, UserList::IgnoreList);
+	ignoreList = new UserList(_tabSupervisor, client, UserList::IgnoreList);
 	userInfoBox = new UserInfoBox(client, false);
 	userInfoBox->updateInfo(userInfo);
 	

cockatrice/src/userlist.cpp

@@ -1,5 +1,6 @@
 #include "userlist.h"
 #include "tab_userlists.h"
+#include "tab_supervisor.h"
 #include "abstractclient.h"
 #include "pixmapgenerator.h"
 #include "userinfobox.h"
@@ -8,6 +9,7 @@
 #include <QVBoxLayout>
 #include <QMouseEvent>
 #include <QMenu>
+#include <QInputDialog>
 
 UserListItemDelegate::UserListItemDelegate(QObject *const parent)
 	: QStyledItemDelegate(parent)
@@ -45,8 +47,8 @@ bool UserListTWI::operator<(const QTreeWidgetItem &other) const
 	return data(2, Qt::UserRole).toString().toLower() < other.data(2, Qt::UserRole).toString().toLower();
 }
 
-UserList::UserList(TabUserLists *_tabUserLists, AbstractClient *_client, UserListType _type, QWidget *parent)
+UserList::UserList(TabSupervisor *_tabSupervisor, AbstractClient *_client, UserListType _type, QWidget *parent)
-	: QGroupBox(parent), tabUserLists(_tabUserLists), client(_client), type(_type), onlineCount(0)
+	: QGroupBox(parent), tabSupervisor(_tabSupervisor), client(_client), type(_type), onlineCount(0)
 {
 	itemDelegate = new UserListItemDelegate(this);
 	
@@ -173,6 +175,7 @@ void UserList::showContextMenu(const QPoint &pos, const QModelIndex &index)
 	QAction *aRemoveFromBuddyList = new QAction(tr("Remove from &buddy list"), this);
 	QAction *aAddToIgnoreList = new QAction(tr("Add to &ignore list"), this);
 	QAction *aRemoveFromIgnoreList = new QAction(tr("Remove from &ignore list"), this);
+	QAction *aBan = new QAction(tr("Ban from &server"), this);
 	
 	QMenu *menu = new QMenu(this);
 	menu->addAction(aUserName);
@@ -180,14 +183,18 @@ void UserList::showContextMenu(const QPoint &pos, const QModelIndex &index)
 	menu->addAction(aDetails);
 	menu->addAction(aChat);
 	menu->addSeparator();
-	if (tabUserLists->getBuddyList()->userInList(userName))
+	if (tabSupervisor->getUserListsTab()->getBuddyList()->userInList(userName))
 		menu->addAction(aRemoveFromBuddyList);
 	else
 		menu->addAction(aAddToBuddyList);
-	if (tabUserLists->getIgnoreList()->userInList(userName))
+	if (tabSupervisor->getUserListsTab()->getIgnoreList()->userInList(userName))
 		menu->addAction(aRemoveFromIgnoreList);
 	else
 		menu->addAction(aAddToIgnoreList);
+	if (!tabSupervisor->getAdminLocked()) {
+		menu->addSeparator();
+		menu->addAction(aBan);
+	}
 	
 	QAction *actionClicked = menu->exec(pos);
 	if (actionClicked == aDetails) {
@@ -204,6 +211,11 @@ void UserList::showContextMenu(const QPoint &pos, const QModelIndex &index)
 		client->sendCommand(new Command_AddToList("ignore", userName));
 	else if (actionClicked == aRemoveFromIgnoreList)
 		client->sendCommand(new Command_RemoveFromList("ignore", userName));
+	else if (actionClicked == aBan) {
+		bool ok;
+		int minutes = QInputDialog::getInt(this, tr("Duration"), tr("Please enter the duration of the ban (in minutes).\nEnter 0 for an indefinite ban."), 0, 0, 2147483647, 10, &ok);
+		client->sendCommand(new Command_BanFromServer(userName, minutes));
+	}
 	
 	delete menu;
 	delete aUserName;
@@ -213,6 +225,7 @@ void UserList::showContextMenu(const QPoint &pos, const QModelIndex &index)
 	delete aRemoveFromBuddyList;
 	delete aAddToIgnoreList;
 	delete aRemoveFromIgnoreList;
+	delete aBan;
 }
 
 bool UserList::userInList(const QString &userName) const

cockatrice/src/userlist.h

@@ -8,7 +8,7 @@
 class QTreeWidget;
 class ServerInfo_User;
 class AbstractClient;
-class TabUserLists;
+class TabSupervisor;
 
 class UserListItemDelegate : public QStyledItemDelegate {
 public:
@@ -27,7 +27,7 @@ class UserList : public QGroupBox {
 public:
 	enum UserListType { AllUsersList, RoomList, BuddyList, IgnoreList };
 private:
-	TabUserLists *tabUserLists;
+	TabSupervisor *tabSupervisor;
 	AbstractClient *client;
 	UserListType type;
 	QTreeWidget *userTree;
@@ -45,7 +45,7 @@ signals:
 	void addIgnore(const QString &userName);
 	void removeIgnore(const QString &userName);
 public:
-	UserList(TabUserLists *_tabUserLists, AbstractClient *_client, UserListType _type, QWidget *parent = 0);
+	UserList(TabSupervisor *_tabSupervisor, AbstractClient *_client, UserListType _type, QWidget *parent = 0);
 	void retranslateUi();
 	void processUserInfo(ServerInfo_User *user, bool online);
 	bool deleteUser(const QString &userName);

cockatrice/src/window_main.cpp

@@ -47,6 +47,20 @@ void MainWindow::updateTabMenu(QMenu *menu)
 		menuBar()->insertMenu(helpMenu->menuAction(), menu);
 }
 
+void MainWindow::processConnectionClosedEvent(Event_ConnectionClosed *event)
+{
+	QString reason = event->getReason();
+	client->disconnectFromServer();
+	QString reasonStr;
+	if (reason == "too_many_connections")
+		reasonStr = tr("There are too many concurrent connections from your address.");
+	else if (reason == "banned")
+		reasonStr = tr("Banned by moderator.");
+	else
+		reasonStr = tr("Unknown reason.");
+	QMessageBox::critical(this, tr("Connection closed"), tr("The server has terminated your connection.\nReason: %1").arg(reasonStr));
+}
+
 void MainWindow::statusChanged(ClientStatus _status)
 {
 	setClientStatusTitle();
@@ -273,6 +287,7 @@ MainWindow::MainWindow(QWidget *parent)
 	QPixmapCache::setCacheLimit(200000);
 
 	client = new RemoteClient(this);
+	connect(client, SIGNAL(connectionClosedEventReceived(Event_ConnectionClosed *)), this, SLOT(processConnectionClosedEvent(Event_ConnectionClosed *)));
 	connect(client, SIGNAL(serverError(ResponseCode)), this, SLOT(serverError(ResponseCode)));
 	connect(client, SIGNAL(socketError(const QString &)), this, SLOT(socketError(const QString &)));
 	connect(client, SIGNAL(serverTimeout()), this, SLOT(serverTimeout()));

cockatrice/src/window_main.h

@@ -35,6 +35,7 @@ class MainWindow : public QMainWindow {
 private slots:
 	void updateTabMenu(QMenu *menu);
 	void statusChanged(ClientStatus _status);
+	void processConnectionClosedEvent(Event_ConnectionClosed *event);
 	void serverTimeout();
 	void serverError(ResponseCode r);
 	void socketError(const QString &errorStr);

common/protocol_item_ids.h

@@ -63,16 +63,18 @@ ItemId_Event_DumpZone = 1061,
 ItemId_Event_StopDumpZone = 1062,
 ItemId_Event_RemoveFromList = 1063,
 ItemId_Event_ServerMessage = 1064,
-ItemId_Event_Message = 1065,
+ItemId_Event_ConnectionClosed = 1065,
-ItemId_Event_GameJoined = 1066,
+ItemId_Event_Message = 1066,
-ItemId_Event_UserLeft = 1067,
+ItemId_Event_GameJoined = 1067,
-ItemId_Event_LeaveRoom = 1068,
+ItemId_Event_UserLeft = 1068,
-ItemId_Event_RoomSay = 1069,
+ItemId_Event_LeaveRoom = 1069,
-ItemId_Context_ReadyStart = 1070,
+ItemId_Event_RoomSay = 1070,
-ItemId_Context_Concede = 1071,
+ItemId_Context_ReadyStart = 1071,
-ItemId_Context_DeckSelect = 1072,
+ItemId_Context_Concede = 1072,
-ItemId_Context_UndoDraw = 1073,
+ItemId_Context_DeckSelect = 1073,
-ItemId_Context_MoveCard = 1074,
+ItemId_Context_UndoDraw = 1074,
-ItemId_Command_UpdateServerMessage = 1075,
+ItemId_Context_MoveCard = 1075,
-ItemId_Other = 1076
+ItemId_Command_UpdateServerMessage = 1076,
+ItemId_Command_BanFromServer = 1077,
+ItemId_Other = 1078
 };

common/protocol_items.cpp

@@ -389,6 +389,11 @@ Event_ServerMessage::Event_ServerMessage(const QString &_message)
 {
 	insertItem(new SerializableItem_String("message", _message));
 }
+Event_ConnectionClosed::Event_ConnectionClosed(const QString &_reason)
+	: GenericEvent("connection_closed")
+{
+	insertItem(new SerializableItem_String("reason", _reason));
+}
 Event_Message::Event_Message(const QString &_senderName, const QString &_receiverName, const QString &_text)
 	: GenericEvent("message")
 {
@@ -448,6 +453,12 @@ Command_UpdateServerMessage::Command_UpdateServerMessage()
 	: AdminCommand("update_server_message")
 {
 }
+Command_BanFromServer::Command_BanFromServer(const QString &_userName, int _minutes)
+	: AdminCommand("ban_from_server")
+{
+	insertItem(new SerializableItem_String("user_name", _userName));
+	insertItem(new SerializableItem_Int("minutes", _minutes));
+}
 void ProtocolItem::initializeHashAuto()
 {
 	itemNameHash.insert("cmdping", Command_Ping::newItem);
@@ -514,6 +525,7 @@ void ProtocolItem::initializeHashAuto()
 	itemNameHash.insert("game_eventstop_dump_zone", Event_StopDumpZone::newItem);
 	itemNameHash.insert("generic_eventremove_from_list", Event_RemoveFromList::newItem);
 	itemNameHash.insert("generic_eventserver_message", Event_ServerMessage::newItem);
+	itemNameHash.insert("generic_eventconnection_closed", Event_ConnectionClosed::newItem);
 	itemNameHash.insert("generic_eventmessage", Event_Message::newItem);
 	itemNameHash.insert("generic_eventgame_joined", Event_GameJoined::newItem);
 	itemNameHash.insert("generic_eventuser_left", Event_UserLeft::newItem);
@@ -525,4 +537,5 @@ void ProtocolItem::initializeHashAuto()
 	itemNameHash.insert("game_event_contextundo_draw", Context_UndoDraw::newItem);
 	itemNameHash.insert("game_event_contextmove_card", Context_MoveCard::newItem);
 	itemNameHash.insert("cmdupdate_server_message", Command_UpdateServerMessage::newItem);
+	itemNameHash.insert("cmdban_from_server", Command_BanFromServer::newItem);
 }

common/protocol_items.dat

@@ -62,6 +62,7 @@
 3:stop_dump_zone:i,zone_owner_id:s,zone
 4:remove_from_list:s,list:s,user_name
 4:server_message:s,message
+4:connection_closed:s,reason
 4:message:s,sender_name:s,receiver_name:s,text
 4:game_joined:i,game_id:s,game_description:i,player_id:b,spectator:b,spectators_can_talk:b,spectators_see_everything:b,resuming
 4:user_left:s,user_name
@@ -73,3 +74,4 @@
 6:undo_draw
 6:move_card
 7:update_server_message
+7:ban_from_server:s,user_name:i,minutes

common/protocol_items.h

@@ -583,6 +583,14 @@ public:
 	static SerializableItem *newItem() { return new Event_ServerMessage; }
 	int getItemId() const { return ItemId_Event_ServerMessage; }
 };
+class Event_ConnectionClosed : public GenericEvent {
+	Q_OBJECT
+public:
+	Event_ConnectionClosed(const QString &_reason = QString());
+	QString getReason() const { return static_cast<SerializableItem_String *>(itemMap.value("reason"))->getData(); };
+	static SerializableItem *newItem() { return new Event_ConnectionClosed; }
+	int getItemId() const { return ItemId_Event_ConnectionClosed; }
+};
 class Event_Message : public GenericEvent {
 	Q_OBJECT
 public:
@@ -675,5 +683,14 @@ public:
 	static SerializableItem *newItem() { return new Command_UpdateServerMessage; }
 	int getItemId() const { return ItemId_Command_UpdateServerMessage; }
 };
+class Command_BanFromServer : public AdminCommand {
+	Q_OBJECT
+public:
+	Command_BanFromServer(const QString &_userName = QString(), int _minutes = -1);
+	QString getUserName() const { return static_cast<SerializableItem_String *>(itemMap.value("user_name"))->getData(); };
+	int getMinutes() const { return static_cast<SerializableItem_Int *>(itemMap.value("minutes"))->getData(); };
+	static SerializableItem *newItem() { return new Command_BanFromServer; }
+	int getItemId() const { return ItemId_Command_BanFromServer; }
+};
 
 #endif

common/server.h

@@ -44,6 +44,7 @@ public:
 	
 	virtual QMap<QString, ServerInfo_User *> getBuddyList(const QString &name) = 0;
 	virtual QMap<QString, ServerInfo_User *> getIgnoreList(const QString &name) = 0;
+	virtual bool getUserBanned(Server_ProtocolHandler * /*client*/, const QString & /*userName*/) const { return false; }
 protected:
 	QMap<int, Server_Game *> games;
 	QList<Server_ProtocolHandler *> clients;

common/server_protocolhandler.cpp

@@ -133,6 +133,7 @@ ResponseCode Server_ProtocolHandler::processCommandHelper(Command *command, Comm
 		
 		switch (command->getItemId()) {
 			case ItemId_Command_UpdateServerMessage: return cmdUpdateServerMessage(static_cast<Command_UpdateServerMessage *>(command), cont);
+			case ItemId_Command_BanFromServer: return cmdBanFromServer(static_cast<Command_BanFromServer *>(command), cont);
 			default: return RespInvalidCommand;
 		}
 	}
@@ -244,6 +245,8 @@ ResponseCode Server_ProtocolHandler::cmdLogin(Command_Login *cmd, CommandContain
 	QString userName = cmd->getUsername().simplified();
 	if (userName.isEmpty() || (userInfo != 0))
 		return RespContextError;
+	if (server->getUserBanned(this, userName))
+		return RespWrongPassword;
 	authState = server->loginUser(this, userName, cmd->getPassword());
 	if (authState == PasswordWrong)
 		return RespWrongPassword;

common/server_protocolhandler.h

@@ -85,6 +85,7 @@ private:
 	ResponseCode cmdStopDumpZone(Command_StopDumpZone *cmd, CommandContainer *cont, Server_Game *game, Server_Player *player);
 	ResponseCode cmdRevealCards(Command_RevealCards *cmd, CommandContainer *cont, Server_Game *game, Server_Player *player);
 	virtual ResponseCode cmdUpdateServerMessage(Command_UpdateServerMessage *cmd, CommandContainer *cont) = 0;
+	virtual ResponseCode cmdBanFromServer(Command_BanFromServer *cmd, CommandContainer *cont) = 0;
 	
 	ResponseCode processCommandHelper(Command *command, CommandContainer *cont);
 private slots:

servatrice/src/servatrice.cpp

@@ -33,6 +33,10 @@ Servatrice::Servatrice(QObject *parent)
 	connect(pingClock, SIGNAL(timeout()), this, SIGNAL(pingClockTimeout()));
 	pingClock->start(1000);
 	
+	banTimeoutClock = new QTimer(this);
+	connect(banTimeoutClock, SIGNAL(timeout()), this, SLOT(updateBanTimer()));
+	banTimeoutClock->start(60000);
+	
 	ProtocolItem::initializeHash();
 	settings = new QSettings("servatrice.ini", QSettings::IniFormat, this);
 	
@@ -85,6 +89,7 @@ Servatrice::Servatrice(QObject *parent)
 	maxGameInactivityTime = settings->value("game/max_game_inactivity_time").toInt();
 	maxPlayerInactivityTime = settings->value("game/max_player_inactivity_time").toInt();
 	
+	maxUsersPerAddress = settings->value("security/max_users_per_address").toInt();
 	messageCountingInterval = settings->value("security/message_counting_interval").toInt();
 	maxMessageCountPerInterval = settings->value("security/max_message_count_per_interval").toInt();
 	maxMessageSizePerInterval = settings->value("security/max_message_size_per_interval").toInt();
@@ -232,6 +237,15 @@ ServerInfo_User *Servatrice::getUserData(const QString &name)
 		return new ServerInfo_User(name, ServerInfo_User::IsUser);
 }
 
+int Servatrice::getUsersWithAddress(const QHostAddress &address) const
+{
+	int result = 0;
+	for (int i = 0; i < clients.size(); ++i)
+		if (static_cast<ServerSocketInterface *>(clients[i])->getPeerAddress() == address)
+			++result;
+	return result;
+}
+
 QMap<QString, ServerInfo_User *> Servatrice::getBuddyList(const QString &name)
 {
 	QMap<QString, ServerInfo_User *> result;
@@ -276,6 +290,32 @@ QMap<QString, ServerInfo_User *> Servatrice::getIgnoreList(const QString &name)
 	return result;
 }
 
+bool Servatrice::getUserBanned(Server_ProtocolHandler *client, const QString &userName) const
+{
+	QHostAddress address = static_cast<ServerSocketInterface *>(client)->getPeerAddress();
+	for (int i = 0; i < addressBanList.size(); ++i)
+		if (address == addressBanList[i].first)
+			return true;
+	for (int i = 0; i < nameBanList.size(); ++i)
+		if (userName == nameBanList[i].first)
+			return true;
+	return false;
+}
+
+void Servatrice::updateBanTimer()
+{
+	for (int i = 0; i < addressBanList.size(); )
+		if (--(addressBanList[i].second) <= 0)
+			addressBanList.removeAt(i);
+		else
+			++i;
+	for (int i = 0; i < nameBanList.size(); )
+		if (--(nameBanList[i].second) <= 0)
+			nameBanList.removeAt(i);
+		else
+			++i;
+}
+
 void Servatrice::updateLoginMessage()
 {
 	checkSql();
@@ -308,4 +348,4 @@ void Servatrice::statusUpdate()
 	execSqlQuery(query);
 }
 
-const QString Servatrice::versionString = "Servatrice 0.20110215";
+const QString Servatrice::versionString = "Servatrice 0.20110303";

servatrice/src/servatrice.h

@@ -34,6 +34,7 @@ class Servatrice : public Server
 private slots:
 	void newConnection();
 	void statusUpdate();
+	void updateBanTimer();
 public:
 	static const QString versionString;
 	Servatrice(QObject *parent = 0);
@@ -45,27 +46,33 @@ public:
 	bool getGameShouldPing() const { return true; }
 	int getMaxGameInactivityTime() const { return maxGameInactivityTime; }
 	int getMaxPlayerInactivityTime() const { return maxPlayerInactivityTime; }
+	int getMaxUsersPerAddress() const { return maxUsersPerAddress; }
 	int getMessageCountingInterval() const { return messageCountingInterval; }
 	int getMaxMessageCountPerInterval() const { return maxMessageCountPerInterval; }
 	int getMaxMessageSizePerInterval() const { return maxMessageSizePerInterval; }
 	QString getDbPrefix() const { return dbPrefix; }
 	void updateLoginMessage();
 	ServerInfo_User *getUserData(const QString &name);
+	int getUsersWithAddress(const QHostAddress &address) const;
+	QMap<QString, ServerInfo_User *> getBuddyList(const QString &name);
+	QMap<QString, ServerInfo_User *> getIgnoreList(const QString &name);
+	bool getUserBanned(Server_ProtocolHandler *client, const QString &userName) const;
+	void addAddressBan(const QHostAddress &address, int minutes) { addressBanList.append(QPair<QHostAddress, int>(address, minutes)); }
+	void addNameBan(const QString &name, int minutes) { nameBanList.append(QPair<QString, int>(name, minutes)); }
 protected:
 	bool userExists(const QString &user);
 	AuthenticationResult checkUserPassword(const QString &user, const QString &password);
-	QMap<QString, ServerInfo_User *> getBuddyList(const QString &name);
-	QMap<QString, ServerInfo_User *> getIgnoreList(const QString &name);
 private:
-	QTimer *pingClock, *statusUpdateClock;
+	QTimer *pingClock, *statusUpdateClock, *banTimeoutClock;
 	QTcpServer *tcpServer;
 	QString loginMessage;
 	QString dbPrefix;
 	QSettings *settings;
 	int uptime;
-	int maxGameInactivityTime;
+	QList<QPair<QHostAddress, int> > addressBanList;
-	int maxPlayerInactivityTime;
+	QList<QPair<QString, int> > nameBanList;
-	int messageCountingInterval, maxMessageCountPerInterval, maxMessageSizePerInterval;
+	int maxGameInactivityTime, maxPlayerInactivityTime;
+	int maxUsersPerAddress, messageCountingInterval, maxMessageCountPerInterval, maxMessageSizePerInterval;
 	ServerInfo_User *evalUserQueryResult(const QSqlQuery &query, bool complete);
 };
 

servatrice/src/serversocketinterface.cpp

@@ -21,6 +21,7 @@
 #include <QXmlStreamReader>
 #include <QXmlStreamWriter>
 #include <QtSql>
+#include <QHostAddress>
 #include <QDebug>
 #include "serversocketinterface.h"
 #include "servatrice.h"
@@ -45,6 +46,11 @@ ServerSocketInterface::ServerSocketInterface(Servatrice *_server, QTcpSocket *_s
 	xmlWriter->writeStartElement("cockatrice_server_stream");
 	xmlWriter->writeAttribute("version", QString::number(ProtocolItem::protocolVersion));
 	
+	int maxUsers = _server->getMaxUsersPerAddress();
+	if ((maxUsers > 0) && (_server->getUsersWithAddress(socket->peerAddress()) >= maxUsers)) {
+		sendProtocolItem(new Event_ConnectionClosed("too_many_connections"));
+		deleteLater();
+	} else
 		sendProtocolItem(new Event_ServerMessage(Servatrice::versionString));
 }
 
@@ -52,6 +58,7 @@ ServerSocketInterface::~ServerSocketInterface()
 {
 	qDebug("ServerSocketInterface destructor");
 	
+	socket->flush();
 	delete xmlWriter;
 	delete xmlReader;
 	delete socket;
@@ -424,3 +431,35 @@ ResponseCode ServerSocketInterface::cmdUpdateServerMessage(Command_UpdateServerM
 	servatrice->updateLoginMessage();
 	return RespOk;
 }
+
+ResponseCode ServerSocketInterface::cmdBanFromServer(Command_BanFromServer *cmd, CommandContainer *cont)
+{
+	QString userName = cmd->getUserName();
+	if (!server->getUsers().contains(userName))
+		return RespNameNotFound;
+	
+	int minutes = cmd->getMinutes();
+	
+	ServerSocketInterface *user = static_cast<ServerSocketInterface *>(server->getUsers().value(userName));
+	if (user->getUserInfo()->getUserLevel() & ServerInfo_User::IsRegistered) {
+		// Registered users can be banned by name.
+		if (minutes == 0) {
+			QSqlQuery query;
+			query.prepare("update " + servatrice->getDbPrefix() + "_users set banned=1 where name = :name");
+			query.bindValue(":name", userName);
+			servatrice->execSqlQuery(query);
+		} else
+			servatrice->addNameBan(userName, minutes);
+	} else {
+		// Unregistered users must be banned by IP address.
+		// Indefinite address bans are not reasonable -> default to 30 minutes.
+		if (minutes == 0)
+			minutes = 30;
+		servatrice->addAddressBan(user->getPeerAddress(), minutes);
+	}
+	
+	user->sendProtocolItem(new Event_ConnectionClosed("banned"));
+	user->deleteLater();
+	
+	return RespOk;
+}

servatrice/src/serversocketinterface.h

@@ -21,6 +21,7 @@
 #define SERVERSOCKETINTERFACE_H
 
 #include <QTcpSocket>
+#include <QHostAddress>
 #include "server_protocolhandler.h"
 
 class QTcpSocket;
@@ -59,9 +60,11 @@ private:
 	DeckList *getDeckFromDatabase(int deckId);
 	ResponseCode cmdDeckDownload(Command_DeckDownload *cmd, CommandContainer *cont);
 	ResponseCode cmdUpdateServerMessage(Command_UpdateServerMessage *cmd, CommandContainer *cont);
+	ResponseCode cmdBanFromServer(Command_BanFromServer *cmd, CommandContainer *cont);
 public:
 	ServerSocketInterface(Servatrice *_server, QTcpSocket *_socket, QObject *parent = 0);
 	~ServerSocketInterface();
+	QHostAddress getPeerAddress() const { return socket->peerAddress(); }
 
 	void sendProtocolItem(ProtocolItem *item, bool deleteItem = true);
 };