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authordaoge_cmd <3523206925@qq.com>2026-03-01 12:16:08 +0800
committerdaoge_cmd <3523206925@qq.com>2026-03-01 12:16:08 +0800
commitb691c43c44ff180d10e7d4a9afc83b98551ff586 (patch)
tree3e9849222cbc6ba49f2f1fc6e5fe7179632c7390 /Minecraft.Client/PendingConnection.cpp
parentdef8cb415354ac390b7e89052a50605285f1aca9 (diff)
Initial commit
Diffstat (limited to 'Minecraft.Client/PendingConnection.cpp')
-rw-r--r--Minecraft.Client/PendingConnection.cpp269
1 files changed, 269 insertions, 0 deletions
diff --git a/Minecraft.Client/PendingConnection.cpp b/Minecraft.Client/PendingConnection.cpp
new file mode 100644
index 00000000..841863b6
--- /dev/null
+++ b/Minecraft.Client/PendingConnection.cpp
@@ -0,0 +1,269 @@
+#include "stdafx.h"
+#include "PendingConnection.h"
+#include "PlayerConnection.h"
+#include "ServerConnection.h"
+#include "ServerPlayer.h"
+#include "ServerPlayerGameMode.h"
+#include "ServerLevel.h"
+#include "PlayerList.h"
+#include "MinecraftServer.h"
+#include "..\Minecraft.World\net.minecraft.network.h"
+#include "..\Minecraft.World\pos.h"
+#include "..\Minecraft.World\net.minecraft.world.level.dimension.h"
+#include "..\Minecraft.World\net.minecraft.world.level.storage.h"
+#include "..\Minecraft.World\net.minecraft.world.item.h"
+#include "..\Minecraft.World\SharedConstants.h"
+#include "Settings.h"
+// #ifdef __PS3__
+// #include "PS3\Network\NetworkPlayerSony.h"
+// #endif
+
+Random *PendingConnection::random = new Random();
+
+PendingConnection::PendingConnection(MinecraftServer *server, Socket *socket, const wstring& id)
+{
+ // 4J - added initialisers
+ done = false;
+ _tick = 0;
+ name = L"";
+ acceptedLogin = nullptr;
+ loginKey = L"";
+
+ this->server = server;
+ connection = new Connection(socket, id, this);
+ connection->fakeLag = FAKE_LAG;
+}
+
+PendingConnection::~PendingConnection()
+{
+ delete connection;
+}
+
+void PendingConnection::tick()
+{
+ if (acceptedLogin != NULL)
+ {
+ this->handleAcceptedLogin(acceptedLogin);
+ acceptedLogin = nullptr;
+ }
+ if (_tick++ == MAX_TICKS_BEFORE_LOGIN)
+ {
+ disconnect(DisconnectPacket::eDisconnect_LoginTooLong);
+ }
+ else
+ {
+ connection->tick();
+ }
+}
+
+void PendingConnection::disconnect(DisconnectPacket::eDisconnectReason reason)
+{
+ // try { // 4J - removed try/catch
+// logger.info("Disconnecting " + getName() + ": " + reason);
+ app.DebugPrintf("Pending connection disconnect: %d\n", reason );
+ connection->send( shared_ptr<DisconnectPacket>( new DisconnectPacket(reason) ) );
+ connection->sendAndQuit();
+ done = true;
+// } catch (Exception e) {
+// e.printStackTrace();
+// }
+}
+
+void PendingConnection::handlePreLogin(shared_ptr<PreLoginPacket> packet)
+{
+ if (packet->m_netcodeVersion != MINECRAFT_NET_VERSION)
+ {
+ app.DebugPrintf("Netcode version is %d not equal to %d\n", packet->m_netcodeVersion, MINECRAFT_NET_VERSION);
+ if (packet->m_netcodeVersion > MINECRAFT_NET_VERSION)
+ {
+ disconnect(DisconnectPacket::eDisconnect_OutdatedServer);
+ }
+ else
+ {
+ disconnect(DisconnectPacket::eDisconnect_OutdatedClient);
+ }
+ return;
+ }
+// printf("Server: handlePreLogin\n");
+ name = packet->loginKey; // 4J Stu - Change from the login packet as we know better on client end during the pre-login packet
+ sendPreLoginResponse();
+}
+
+void PendingConnection::sendPreLoginResponse()
+{
+ // 4J Stu - Calculate the players with UGC privileges set
+ PlayerUID *ugcXuids = new PlayerUID[MINECRAFT_NET_MAX_PLAYERS];
+ DWORD ugcXuidCount = 0;
+ DWORD hostIndex = 0;
+ BYTE ugcFriendsOnlyBits = 0;
+ char szUniqueMapName[14];
+
+ StorageManager.GetSaveUniqueFilename(szUniqueMapName);
+
+ PlayerList *playerList = MinecraftServer::getInstance()->getPlayers();
+ for(AUTO_VAR(it, playerList->players.begin()); it != playerList->players.end(); ++it)
+ {
+ shared_ptr<ServerPlayer> player = *it;
+ // If the offline Xuid is invalid but the online one is not then that's guest which we should ignore
+ // If the online Xuid is invalid but the offline one is not then we are definitely an offline game so dont care about UGC
+
+ // PADDY - this is failing when a local player with chat restrictions joins an online game
+
+ if( player != NULL && player->connection->m_offlineXUID != INVALID_XUID && player->connection->m_onlineXUID != INVALID_XUID )
+ {
+ if( player->connection->m_friendsOnlyUGC )
+ {
+ ugcFriendsOnlyBits |= (1<<ugcXuidCount);
+ }
+ // Need to use the online XUID otherwise friend checks will fail on the client
+ ugcXuids[ugcXuidCount] = player->connection->m_onlineXUID;
+
+ if( player->connection->getNetworkPlayer() != NULL && player->connection->getNetworkPlayer()->IsHost() ) hostIndex = ugcXuidCount;
+
+ ++ugcXuidCount;
+ }
+ }
+
+#if 0
+ if (false)// server->onlineMode) // 4J - removed
+ {
+ loginKey = L"TOIMPLEMENT"; // 4J - todo Long.toHexString(random.nextLong());
+ connection->send( shared_ptr<PreLoginPacket>( new PreLoginPacket(loginKey, ugcXuids, ugcXuidCount, ugcFriendsOnlyBits, server->m_ugcPlayersVersion, szUniqueMapName,app.GetGameHostOption(eGameHostOption_All),hostIndex) ) );
+ }
+ else
+#endif
+ {
+ connection->send( shared_ptr<PreLoginPacket>( new PreLoginPacket(L"-", ugcXuids, ugcXuidCount, ugcFriendsOnlyBits, server->m_ugcPlayersVersion,szUniqueMapName,app.GetGameHostOption(eGameHostOption_All),hostIndex, server->m_texturePackId) ) );
+ }
+}
+
+void PendingConnection::handleLogin(shared_ptr<LoginPacket> packet)
+{
+// printf("Server: handleLogin\n");
+ //name = packet->userName;
+ if (packet->clientVersion != SharedConstants::NETWORK_PROTOCOL_VERSION)
+ {
+ app.DebugPrintf("Client version is %d not equal to %d\n", packet->clientVersion, SharedConstants::NETWORK_PROTOCOL_VERSION);
+ if (packet->clientVersion > SharedConstants::NETWORK_PROTOCOL_VERSION)
+ {
+ disconnect(DisconnectPacket::eDisconnect_OutdatedServer);
+ }
+ else
+ {
+ disconnect(DisconnectPacket::eDisconnect_OutdatedClient);
+ }
+ return;
+ }
+
+ //if (true)// 4J removed !server->onlineMode)
+ bool sentDisconnect = false;
+
+ if( sentDisconnect )
+ {
+ // Do nothing
+ }
+ else if( server->getPlayers()->isXuidBanned( packet->m_onlineXuid ) )
+ {
+ disconnect(DisconnectPacket::eDisconnect_Banned);
+ }
+ else
+ {
+ handleAcceptedLogin(packet);
+ }
+ //else
+ {
+ //4J - removed
+#if 0
+ new Thread() {
+ public void run() {
+ try {
+ String key = loginKey;
+ URL url = new URL("http://www.minecraft.net/game/checkserver.jsp?user=" + URLEncoder.encode(packet.userName, "UTF-8") + "&serverId=" + URLEncoder.encode(key, "UTF-8"));
+ BufferedReader br = new BufferedReader(new InputStreamReader(url.openStream()));
+ String msg = br.readLine();
+ br.close();
+ if (msg.equals("YES")) {
+ acceptedLogin = packet;
+ } else {
+ disconnect("Failed to verify username!");
+ }
+ } catch (Exception e) {
+ disconnect("Failed to verify username! [internal error " + e + "]");
+ e.printStackTrace();
+ }
+ }
+ }.start();
+#endif
+ }
+
+}
+
+void PendingConnection::handleAcceptedLogin(shared_ptr<LoginPacket> packet)
+{
+ if(packet->m_ugcPlayersVersion != server->m_ugcPlayersVersion)
+ {
+ // Send the pre-login packet again with the new list of players
+ sendPreLoginResponse();
+ return;
+ }
+
+ // Guests use the online xuid, everyone else uses the offline one
+ PlayerUID playerXuid = packet->m_offlineXuid;
+ if(playerXuid == INVALID_XUID) playerXuid = packet->m_onlineXuid;
+
+ shared_ptr<ServerPlayer> playerEntity = server->getPlayers()->getPlayerForLogin(this, name, playerXuid,packet->m_onlineXuid);
+ if (playerEntity != NULL)
+ {
+ server->getPlayers()->placeNewPlayer(connection, playerEntity, packet);
+ connection = NULL; // We've moved responsibility for this over to the new PlayerConnection, NULL so we don't delete our reference to it here in our dtor
+ }
+ done = true;
+
+}
+
+void PendingConnection::onDisconnect(DisconnectPacket::eDisconnectReason reason, void *reasonObjects)
+{
+// logger.info(getName() + " lost connection");
+ done = true;
+}
+
+void PendingConnection::handleGetInfo(shared_ptr<GetInfoPacket> packet)
+{
+ //try {
+ //String message = server->motd + "§" + server->players->getPlayerCount() + "§" + server->players->getMaxPlayers();
+ //connection->send(new DisconnectPacket(message));
+ connection->send(shared_ptr<DisconnectPacket>(new DisconnectPacket(DisconnectPacket::eDisconnect_ServerFull) ) );
+ connection->sendAndQuit();
+ server->connection->removeSpamProtection(connection->getSocket());
+ done = true;
+ //} catch (Exception e) {
+ // e.printStackTrace();
+ //}
+}
+
+void PendingConnection::handleKeepAlive(shared_ptr<KeepAlivePacket> packet)
+{
+ // Ignore
+}
+
+void PendingConnection::onUnhandledPacket(shared_ptr<Packet> packet)
+{
+ disconnect(DisconnectPacket::eDisconnect_UnexpectedPacket);
+}
+
+void PendingConnection::send(shared_ptr<Packet> packet)
+{
+ connection->send(packet);
+}
+
+wstring PendingConnection::getName()
+{
+ return L"Unimplemented";
+// if (name != null) return name + " [" + connection.getRemoteAddress().toString() + "]";
+// return connection.getRemoteAddress().toString();
+}
+
+bool PendingConnection::isServerPacketListener()
+{
+ return true;
+} \ No newline at end of file