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https://github.com/OpenFusionProject/OpenFusion.git
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Reject packets sent before a connection has been fully established
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parent
129d1c2fe3
commit
998b12617e
@ -19,6 +19,17 @@ CNLoginServer::CNLoginServer(uint16_t p) {
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void CNLoginServer::handlePacket(CNSocket* sock, CNPacketData* data) {
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printPacket(data);
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if (loginSessions.find(sock) == loginSessions.end() &&
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data->type != P_CL2LS_REQ_LOGIN && data->type != P_CL2LS_REP_LIVE_CHECK) {
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if (settings::VERBOSITY > 0) {
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std::cerr << "OpenFusion: LOGIN PKT OUT-OF-SEQ. PacketType: " <<
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Packets::p2str(data->type) << " (" << data->type << ")" << std::endl;
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}
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return;
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}
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switch (data->type) {
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case P_CL2LS_REQ_LOGIN: {
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login(sock, data);
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@ -29,11 +29,31 @@ CNShardServer::CNShardServer(uint16_t p) {
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void CNShardServer::handlePacket(CNSocket* sock, CNPacketData* data) {
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printPacket(data);
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if (ShardPackets.find(data->type) != ShardPackets.end())
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ShardPackets[data->type](sock, data);
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else if (settings::VERBOSITY > 0)
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std::cerr << "OpenFusion: SHARD UNIMPLM ERR. PacketType: " << Packets::p2str(data->type) << " (" << data->type << ")" << std::endl;
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// if it's a valid packet
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if (ShardPackets.find(data->type) != ShardPackets.end()) {
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// reject gameplay packets if not yet fully connected
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if (PlayerManager::players.find(sock) == PlayerManager::players.end()
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&& data->type != P_CL2FE_REQ_PC_ENTER && data->type != P_CL2FE_REP_LIVE_CHECK) {
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if (settings::VERBOSITY > 0) {
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std::cerr << "OpenFusion: SHARD PKT OUT-OF-SEQ. PacketType: " <<
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Packets::p2str(data->type) << " (" << data->type << ")" << std::endl;
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}
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return;
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}
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// run the appropriate packet handler
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ShardPackets[data->type](sock, data);
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} else if (settings::VERBOSITY > 0) {
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std::cerr << "OpenFusion: SHARD UNIMPLM ERR. PacketType: " << Packets::p2str(data->type) << " (" << data->type << ")" << std::endl;
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}
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/*
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* We must re-check if the player is still connected in case
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* they were dropped when handling the packet.
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*/
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if (PlayerManager::players.find(sock) != PlayerManager::players.end())
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PlayerManager::players[sock]->lastHeartbeat = getTime();
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}
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