diff options
Diffstat (limited to 'src/network')
-rw-r--r-- | src/network/clientopcodes.cpp | 10 | ||||
-rw-r--r-- | src/network/clientpackethandler.cpp | 105 | ||||
-rw-r--r-- | src/network/connection.cpp | 47 | ||||
-rw-r--r-- | src/network/connection.h | 23 | ||||
-rw-r--r-- | src/network/networkpacket.cpp | 13 | ||||
-rw-r--r-- | src/network/networkpacket.h | 2 | ||||
-rw-r--r-- | src/network/networkprotocol.h | 29 | ||||
-rw-r--r-- | src/network/serveropcodes.cpp | 6 | ||||
-rw-r--r-- | src/network/serverpackethandler.cpp | 85 |
9 files changed, 227 insertions, 93 deletions
diff --git a/src/network/clientopcodes.cpp b/src/network/clientopcodes.cpp index cee402acd..bdcb1dfce 100644 --- a/src/network/clientopcodes.cpp +++ b/src/network/clientopcodes.cpp @@ -78,12 +78,12 @@ const ToClientCommandHandler toClientCommandTable[TOCLIENT_NUM_MSG_TYPES] = { "TOCLIENT_HP", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HP }, // 0x33 { "TOCLIENT_MOVE_PLAYER", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_MovePlayer }, // 0x34 { "TOCLIENT_ACCESS_DENIED_LEGACY", TOCLIENT_STATE_NOT_CONNECTED, &Client::handleCommand_AccessDenied }, // 0x35 - { "TOCLIENT_PLAYERITEM", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_PlayerItem }, // 0x36 + null_command_handler, { "TOCLIENT_DEATHSCREEN", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_DeathScreen }, // 0x37 { "TOCLIENT_MEDIA", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_Media }, // 0x38 - { "TOCLIENT_TOOLDEF", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ToolDef }, // 0x39 + null_command_handler, { "TOCLIENT_NODEDEF", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_NodeDef }, // 0x3a - { "TOCLIENT_CRAFTITEMDEF", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_CraftItemDef }, // 0x3b + null_command_handler, { "TOCLIENT_ANNOUNCE_MEDIA", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_AnnounceMedia }, // 0x3c { "TOCLIENT_ITEMDEF", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ItemDef }, // 0x3d null_command_handler, @@ -108,8 +108,8 @@ const ToClientCommandHandler toClientCommandTable[TOCLIENT_NUM_MSG_TYPES] = { "TOCLIENT_LOCAL_PLAYER_ANIMATIONS", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_LocalPlayerAnimations }, // 0x51 { "TOCLIENT_EYE_OFFSET", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_EyeOffset }, // 0x52 { "TOCLIENT_DELETE_PARTICLESPAWNER", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_DeleteParticleSpawner }, // 0x53 - null_command_handler, - null_command_handler, + { "TOCLIENT_CLOUD_PARAMS", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_CloudParams }, // 0x54 + { "TOCLIENT_FADE_SOUND", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_FadeSound }, // 0x55 null_command_handler, null_command_handler, null_command_handler, diff --git a/src/network/clientpackethandler.cpp b/src/network/clientpackethandler.cpp index 19f8bbf58..0d4b792de 100644 --- a/src/network/clientpackethandler.cpp +++ b/src/network/clientpackethandler.cpp @@ -30,7 +30,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "server.h" #include "util/strfnd.h" #include "network/clientopcodes.h" -#include "script/clientscripting.h" +#include "script/scripting_client.h" #include "util/serialize.h" #include "util/srp.h" #include "tileanimation.h" @@ -561,7 +561,6 @@ void Client::handleCommand_MovePlayer(NetworkPacket* pkt) *pkt >> pos >> pitch >> yaw; - player->got_teleported = true; player->setPosition(pos); infostream << "Client got TOCLIENT_MOVE_PLAYER" @@ -581,15 +580,6 @@ void Client::handleCommand_MovePlayer(NetworkPacket* pkt) event.player_force_move.pitch = pitch; event.player_force_move.yaw = yaw; m_client_event_queue.push(event); - - // Ignore damage for a few seconds, so that the player doesn't - // get damage from falling on ground - m_ignore_damage_timer = 3.0; -} - -void Client::handleCommand_PlayerItem(NetworkPacket* pkt) -{ - warningstream << "Client: Ignoring TOCLIENT_PLAYERITEM" << std::endl; } void Client::handleCommand_DeathScreen(NetworkPacket* pkt) @@ -718,11 +708,6 @@ void Client::handleCommand_Media(NetworkPacket* pkt) } } -void Client::handleCommand_ToolDef(NetworkPacket* pkt) -{ - warningstream << "Client: Ignoring TOCLIENT_TOOLDEF" << std::endl; -} - void Client::handleCommand_NodeDef(NetworkPacket* pkt) { infostream << "Client: Received node definitions: packet size: " @@ -743,11 +728,6 @@ void Client::handleCommand_NodeDef(NetworkPacket* pkt) m_nodedef_received = true; } -void Client::handleCommand_CraftItemDef(NetworkPacket* pkt) -{ - warningstream << "Client: Ignoring TOCLIENT_CRAFTITEMDEF" << std::endl; -} - void Client::handleCommand_ItemDef(NetworkPacket* pkt) { infostream << "Client: Received item definitions: packet size: " @@ -770,21 +750,39 @@ void Client::handleCommand_ItemDef(NetworkPacket* pkt) void Client::handleCommand_PlaySound(NetworkPacket* pkt) { + /* + [0] u32 server_id + [4] u16 name length + [6] char name[len] + [ 6 + len] f32 gain + [10 + len] u8 type + [11 + len] (f32 * 3) pos + [23 + len] u16 object_id + [25 + len] bool loop + [26 + len] f32 fade + */ + s32 server_id; std::string name; + float gain; u8 type; // 0=local, 1=positional, 2=object v3f pos; u16 object_id; bool loop; + float fade = 0; *pkt >> server_id >> name >> gain >> type >> pos >> object_id >> loop; + try { + *pkt >> fade; + } catch (PacketError &e) {}; + // Start playing int client_id = -1; switch(type) { case 0: // local - client_id = m_sound->playSound(name, loop, gain); + client_id = m_sound->playSound(name, loop, gain, fade); break; case 1: // positional client_id = m_sound->playSoundAt(name, loop, gain, pos); @@ -823,6 +821,21 @@ void Client::handleCommand_StopSound(NetworkPacket* pkt) } } +void Client::handleCommand_FadeSound(NetworkPacket *pkt) +{ + s32 sound_id; + float step; + float gain; + + *pkt >> sound_id >> step >> gain; + + UNORDERED_MAP<s32, int>::iterator i = + m_sounds_server_to_client.find(sound_id); + + if (i != m_sounds_server_to_client.end()) + m_sound->fadeSound(i->second, step, gain); +} + void Client::handleCommand_Privileges(NetworkPacket* pkt) { m_privileges.clear(); @@ -1133,7 +1146,7 @@ void Client::handleCommand_HudSetFlags(NetworkPacket* pkt) m_minimap_disabled_by_server = !(player->hud_flags & HUD_FLAG_MINIMAP_VISIBLE); // Hide minimap if it has been disabled by the server - if (m_minimap_disabled_by_server && was_minimap_visible) { + if (m_minimap && m_minimap_disabled_by_server && was_minimap_visible) { // defers a minimap update, therefore only call it if really // needed, by checking that minimap was visible before m_minimap->setMinimapMode(MINIMAP_MODE_OFF); @@ -1155,9 +1168,21 @@ void Client::handleCommand_HudSetParam(NetworkPacket* pkt) player->hud_hotbar_itemcount = hotbar_itemcount; } else if (param == HUD_PARAM_HOTBAR_IMAGE) { + // If value not empty verify image exists in texture source + if (value != "" && !getTextureSource()->isKnownSourceImage(value)) { + errorstream << "Server sent wrong Hud hotbar image (sent value: '" + << value << "')" << std::endl; + return; + } player->hotbar_image = value; } else if (param == HUD_PARAM_HOTBAR_SELECTED_IMAGE) { + // If value not empty verify image exists in texture source + if (value != "" && !getTextureSource()->isKnownSourceImage(value)) { + errorstream << "Server sent wrong Hud hotbar selected image (sent value: '" + << value << "')" << std::endl; + return; + } player->hotbar_selected_image = value; } } @@ -1175,11 +1200,45 @@ void Client::handleCommand_HudSetSky(NetworkPacket* pkt) for (size_t i = 0; i < count; i++) params->push_back(deSerializeString(is)); + bool clouds = true; + try { + clouds = readU8(is); + } catch (...) {} + ClientEvent event; event.type = CE_SET_SKY; event.set_sky.bgcolor = bgcolor; event.set_sky.type = type; event.set_sky.params = params; + event.set_sky.clouds = clouds; + m_client_event_queue.push(event); +} + +void Client::handleCommand_CloudParams(NetworkPacket* pkt) +{ + f32 density; + video::SColor color_bright; + video::SColor color_ambient; + f32 height; + f32 thickness; + v2f speed; + + *pkt >> density >> color_bright >> color_ambient + >> height >> thickness >> speed; + + ClientEvent event; + event.type = CE_CLOUD_PARAMS; + event.cloud_params.density = density; + // use the underlying u32 representation, because we can't + // use struct members with constructors here, and this way + // we avoid using new() and delete() for no good reason + event.cloud_params.color_bright = color_bright.color; + event.cloud_params.color_ambient = color_ambient.color; + event.cloud_params.height = height; + event.cloud_params.thickness = thickness; + // same here: deconstruct to skip constructor + event.cloud_params.speed_x = speed.X; + event.cloud_params.speed_y = speed.Y; m_client_event_queue.push(event); } diff --git a/src/network/connection.cpp b/src/network/connection.cpp index e11b4a953..a504bbc08 100644 --- a/src/network/connection.cpp +++ b/src/network/connection.cpp @@ -54,7 +54,8 @@ Mutex log_message_mutex; #endif -static inline float CALC_DTIME(unsigned int lasttime, unsigned int curtime) { +static inline float CALC_DTIME(u64 lasttime, u64 curtime) +{ float value = ( curtime - lasttime) / 1000.0; return MYMAX(MYMIN(value,0.1),0.0); } @@ -930,7 +931,7 @@ void Peer::DecUseCount() delete this; } -void Peer::RTTStatistics(float rtt, std::string profiler_id, +void Peer::RTTStatistics(float rtt, const std::string &profiler_id, unsigned int num_samples) { if (m_last_rtt > 0) { @@ -969,8 +970,7 @@ void Peer::RTTStatistics(float rtt, std::string profiler_id, m_rtt.jitter_avg = m_rtt.jitter_avg * (num_samples/(num_samples-1)) + jitter * (1/num_samples); - if (profiler_id != "") - { + if (profiler_id != "") { g_profiler->graphAdd(profiler_id + "_rtt", rtt); g_profiler->graphAdd(profiler_id + "_jitter", jitter); } @@ -982,7 +982,7 @@ void Peer::RTTStatistics(float rtt, std::string profiler_id, bool Peer::isTimedOut(float timeout) { MutexAutoLock lock(m_exclusive_access_mutex); - u32 current_time = porting::getTimeMs(); + u64 current_time = porting::getTimeMs(); float dtime = CALC_DTIME(m_last_timeout_check,current_time); m_last_timeout_check = current_time; @@ -1277,8 +1277,8 @@ void * ConnectionSendThread::run() LOG(dout_con<<m_connection->getDesc() <<"ConnectionSend thread started"<<std::endl); - u32 curtime = porting::getTimeMs(); - u32 lasttime = curtime; + u64 curtime = porting::getTimeMs(); + u64 lasttime = curtime; PROFILE(std::stringstream ThreadIdentifier); PROFILE(ThreadIdentifier << "ConnectionSend: [" << m_connection->getDesc() << "]"); @@ -2047,8 +2047,8 @@ void * ConnectionReceiveThread::run() PROFILE(ThreadIdentifier << "ConnectionReceive: [" << m_connection->getDesc() << "]"); #ifdef DEBUG_CONNECTION_KBPS - u32 curtime = porting::getTimeMs(); - u32 lasttime = curtime; + u64 curtime = porting::getTimeMs(); + u64 lasttime = curtime; float debug_print_timer = 0.0; #endif @@ -2391,7 +2391,7 @@ SharedBuffer<u8> ConnectionReceiveThread::processPacket(Channel *channel, // only calculate rtt from straight sent packets if (p.resend_count == 0) { // Get round trip time - unsigned int current_time = porting::getTimeMs(); + u64 current_time = porting::getTimeMs(); // a overflow is quite unlikely but as it'd result in major // rtt miscalculation we handle it here @@ -2884,16 +2884,21 @@ void Connection::Disconnect() putCommand(c); } -void Connection::Receive(NetworkPacket* pkt) +bool Connection::Receive(NetworkPacket *pkt, u32 timeout) { + /* + Note that this function can potentially wait infinitely if non-data + events keep happening before the timeout expires. + This is not considered to be a problem (is it?) + */ for(;;) { - ConnectionEvent e = waitEvent(m_bc_receive_timeout); + ConnectionEvent e = waitEvent(timeout); if (e.type != CONNEVENT_NONE) LOG(dout_con << getDesc() << ": Receive: got event: " << e.describe() << std::endl); switch(e.type) { case CONNEVENT_NONE: - throw NoIncomingDataException("No incoming data"); + return false; case CONNEVENT_DATA_RECEIVED: // Data size is lesser than command size, ignoring packet if (e.data.getSize() < 2) { @@ -2901,7 +2906,7 @@ void Connection::Receive(NetworkPacket* pkt) } pkt->putRawPacket(*e.data, e.data.getSize(), e.peer_id); - return; + return true; case CONNEVENT_PEER_ADDED: { UDPPeer tmp(e.peer_id, e.address, this); if (m_bc_peerhandler) @@ -2919,7 +2924,19 @@ void Connection::Receive(NetworkPacket* pkt) "(port already in use?)"); } } - throw NoIncomingDataException("No incoming data"); + return false; +} + +void Connection::Receive(NetworkPacket *pkt) +{ + bool any = Receive(pkt, m_bc_receive_timeout); + if (!any) + throw NoIncomingDataException("No incoming data"); +} + +bool Connection::TryReceive(NetworkPacket *pkt) +{ + return Receive(pkt, 0); } void Connection::Send(u16 peer_id, u8 channelnum, diff --git a/src/network/connection.h b/src/network/connection.h index 5ee53b9d4..a202fa2f5 100644 --- a/src/network/connection.h +++ b/src/network/connection.h @@ -175,7 +175,7 @@ struct BufferedPacket Buffer<u8> data; // Data of the packet, including headers float time; // Seconds from buffering the packet or re-sending float totaltime; // Seconds from buffering the packet - unsigned int absolute_send_time; + u64 absolute_send_time; Address address; // Sender or destination unsigned int resend_count; }; @@ -383,7 +383,7 @@ struct OutgoingPacket bool reliable; bool ack; - OutgoingPacket(u16 peer_id_, u8 channelnum_, SharedBuffer<u8> data_, + OutgoingPacket(u16 peer_id_, u8 channelnum_, const SharedBuffer<u8> &data_, bool reliable_,bool ack_=false): peer_id(peer_id_), channelnum(channelnum_), @@ -448,7 +448,7 @@ struct ConnectionCommand reliable = reliable_; } - void ack(u16 peer_id_, u8 channelnum_, SharedBuffer<u8> data_) + void ack(u16 peer_id_, u8 channelnum_, const SharedBuffer<u8> &data_) { type = CONCMD_ACK; peer_id = peer_id_; @@ -457,7 +457,7 @@ struct ConnectionCommand reliable = false; } - void createPeer(u16 peer_id_, SharedBuffer<u8> data_) + void createPeer(u16 peer_id_, const SharedBuffer<u8> &data_) { type = CONCMD_CREATE_PEER; peer_id = peer_id_; @@ -467,7 +467,7 @@ struct ConnectionCommand raw = true; } - void disableLegacy(u16 peer_id_, SharedBuffer<u8> data_) + void disableLegacy(u16 peer_id_, const SharedBuffer<u8> &data_) { type = CONCMD_DISABLE_LEGACY; peer_id = peer_id_; @@ -732,8 +732,8 @@ class Peer { virtual void reportRTT(float rtt) {}; void RTTStatistics(float rtt, - std::string profiler_id="", - unsigned int num_samples=1000); + const std::string &profiler_id = "", + unsigned int num_samples = 1000); bool IncUseCount(); void DecUseCount(); @@ -769,7 +769,7 @@ class Peer { // Seconds from last receive float m_timeout_counter; - u32 m_last_timeout_check; + u64 m_last_timeout_check; }; class UDPPeer : public Peer @@ -874,7 +874,7 @@ struct ConnectionEvent return "Invalid ConnectionEvent"; } - void dataReceived(u16 peer_id_, SharedBuffer<u8> data_) + void dataReceived(u16 peer_id_, const SharedBuffer<u8> &data_) { type = CONNEVENT_DATA_RECEIVED; peer_id = peer_id_; @@ -1016,6 +1016,7 @@ public: bool Connected(); void Disconnect(); void Receive(NetworkPacket* pkt); + bool TryReceive(NetworkPacket* pkt); void Send(u16 peer_id, u8 channelnum, NetworkPacket* pkt, bool reliable); u16 GetPeerID() { return m_peer_id; } Address GetPeerAddress(u16 peer_id); @@ -1050,6 +1051,8 @@ protected: UDPSocket m_udpSocket; MutexedQueue<ConnectionCommand> m_command_queue; + bool Receive(NetworkPacket *pkt, u32 timeout); + void putEvent(ConnectionEvent &e); void TriggerSend() @@ -1074,7 +1077,7 @@ private: // Backwards compatibility PeerHandler *m_bc_peerhandler; int m_bc_receive_timeout; - + bool m_shutting_down; u16 m_next_remote_peer_id; diff --git a/src/network/networkpacket.cpp b/src/network/networkpacket.cpp index f7a6499dd..7c2c7d0f9 100644 --- a/src/network/networkpacket.cpp +++ b/src/network/networkpacket.cpp @@ -58,9 +58,20 @@ void NetworkPacket::putRawPacket(u8 *data, u32 datasize, u16 peer_id) m_datasize = datasize - 2; m_peer_id = peer_id; + m_data.resize(m_datasize); + // split command and datas m_command = readU16(&data[0]); - m_data = std::vector<u8>(&data[2], &data[2 + m_datasize]); + memcpy(m_data.data(), &data[2], m_datasize); +} + +void NetworkPacket::clear() +{ + m_data.clear(); + m_datasize = 0; + m_read_offset = 0; + m_command = 0; + m_peer_id = 0; } const char* NetworkPacket::getString(u32 from_offset) diff --git a/src/network/networkpacket.h b/src/network/networkpacket.h index 83dc33f6f..fc14d61d8 100644 --- a/src/network/networkpacket.h +++ b/src/network/networkpacket.h @@ -35,7 +35,7 @@ public: ~NetworkPacket(); void putRawPacket(u8 *data, u32 datasize, u16 peer_id); - + void clear(); // Getters u32 getSize() { return m_datasize; } u16 getPeerId() { return m_peer_id; } diff --git a/src/network/networkprotocol.h b/src/network/networkprotocol.h index ea532d9e0..7126c237b 100644 --- a/src/network/networkprotocol.h +++ b/src/network/networkprotocol.h @@ -50,6 +50,7 @@ with this program; if not, write to the Free Software Foundation, Inc., ContentFeatures and NodeDefManager use a different serialization format; better for future version cross-compatibility Many things + Obsolete TOCLIENT_PLAYERITEM PROTOCOL_VERSION 10: TOCLIENT_PRIVILEGES Version raised to force 'fly' and 'fast' privileges into effect. @@ -104,7 +105,8 @@ with this program; if not, write to the Free Software Foundation, Inc., PROTOCOL_VERSION 22: add swap_node PROTOCOL_VERSION 23: - TOSERVER_CLIENT_READY + Obsolete TOSERVER_RECEIVED_MEDIA + Server: Stop using TOSERVER_CLIENT_READY PROTOCOL_VERSION 24: ContentFeatures version 7 ContentFeatures: change number of special tiles to 6 (CF_SPECIAL_COUNT) @@ -148,9 +150,14 @@ with this program; if not, write to the Free Software Foundation, Inc., Add node and tile color and palette Fix plantlike visual_scale being applied squared and add compatibility with pre-30 clients by sending sqrt(visual_scale) + PROTOCOL VERSION 31: + Add tile overlay + Stop sending TOSERVER_CLIENT_READY + PROTOCOL VERSION 32: + Add fading sounds */ -#define LATEST_PROTOCOL_VERSION 30 +#define LATEST_PROTOCOL_VERSION 32 // Server's supported network protocol range #define SERVER_PROTOCOL_VERSION_MIN 24 @@ -577,6 +584,7 @@ enum ToClientCommand foreach count: u8 len u8[len] param + u8 clouds (boolean) */ TOCLIENT_OVERRIDE_DAY_NIGHT_RATIO = 0x50, @@ -605,6 +613,23 @@ enum ToClientCommand u32 id */ + TOCLIENT_CLOUD_PARAMS = 0x54, + /* + f1000 density + u8[4] color_diffuse (ARGB) + u8[4] color_ambient (ARGB) + f1000 height + f1000 thickness + v2f1000 speed + */ + + TOCLIENT_FADE_SOUND = 0x55, + /* + s32 sound_id + float step + float gain + */ + TOCLIENT_SRP_BYTES_S_B = 0x60, /* Belonging to AUTH_MECHANISM_LEGACY_PASSWORD and AUTH_MECHANISM_SRP. diff --git a/src/network/serveropcodes.cpp b/src/network/serveropcodes.cpp index 642dd376a..19978a2b6 100644 --- a/src/network/serveropcodes.cpp +++ b/src/network/serveropcodes.cpp @@ -89,7 +89,7 @@ const ToServerCommandHandler toServerCommandTable[TOSERVER_NUM_MSG_TYPES] = null_command_handler, // 0x3e null_command_handler, // 0x3f { "TOSERVER_REQUEST_MEDIA", TOSERVER_STATE_STARTUP, &Server::handleCommand_RequestMedia }, // 0x40 - { "TOSERVER_RECEIVED_MEDIA", TOSERVER_STATE_STARTUP, &Server::handleCommand_ReceivedMedia }, // 0x41 + { "TOSERVER_RECEIVED_MEDIA", TOSERVER_STATE_STARTUP, &Server::handleCommand_Deprecated }, // 0x41 not used by the server since protocol version 23 { "TOSERVER_BREATH", TOSERVER_STATE_INGAME, &Server::handleCommand_Deprecated }, // 0x42 Old breath model which is now deprecated for anticheating { "TOSERVER_CLIENT_READY", TOSERVER_STATE_STARTUP, &Server::handleCommand_ClientReady }, // 0x43 null_command_handler, // 0x44 @@ -197,8 +197,8 @@ const ClientCommandFactory clientCommandFactoryTable[TOCLIENT_NUM_MSG_TYPES] = { "TOCLIENT_LOCAL_PLAYER_ANIMATIONS", 0, true }, // 0x51 { "TOCLIENT_EYE_OFFSET", 0, true }, // 0x52 { "TOCLIENT_DELETE_PARTICLESPAWNER", 0, true }, // 0x53 - null_command_factory, - null_command_factory, + { "TOCLIENT_CLOUD_PARAMS", 0, true }, // 0x54 + { "TOCLIENT_FADE_SOUND", 0, true }, // 0x55 null_command_factory, null_command_factory, null_command_factory, diff --git a/src/network/serverpackethandler.cpp b/src/network/serverpackethandler.cpp index 174b827f0..fc64c142e 100644 --- a/src/network/serverpackethandler.cpp +++ b/src/network/serverpackethandler.cpp @@ -27,7 +27,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "nodedef.h" #include "player.h" #include "rollback_interface.h" -#include "serverscripting.h" +#include "scripting_server.h" #include "settings.h" #include "tool.h" #include "version.h" @@ -211,7 +211,7 @@ void Server::handleCommand_Init(NetworkPacket* pkt) // Enforce user limit. // Don't enforce for users that have some admin right - if (m_clients.getClientIDs(CS_Created).size() >= g_settings->getU16("max_users") && + if (m_clients.isUserLimitReached() && !checkPriv(playername, "server") && !checkPriv(playername, "ban") && !checkPriv(playername, "privs") && @@ -520,7 +520,7 @@ void Server::handleCommand_Init_Legacy(NetworkPacket* pkt) // Enforce user limit. // Don't enforce for users that have some admin right - if (m_clients.getClientIDs(CS_Created).size() >= g_settings->getU16("max_users") && + if (m_clients.isUserLimitReached() && !checkPriv(playername, "server") && !checkPriv(playername, "ban") && !checkPriv(playername, "privs") && @@ -674,10 +674,6 @@ void Server::handleCommand_RequestMedia(NetworkPacket* pkt) sendRequestedMedia(pkt->getPeerId(), tosend); } -void Server::handleCommand_ReceivedMedia(NetworkPacket* pkt) -{ -} - void Server::handleCommand_ClientReady(NetworkPacket* pkt) { u16 peer_id = pkt->getPeerId(); @@ -947,6 +943,18 @@ void Server::handleCommand_InventoryAction(NetworkPacket* pkt) (ma->to_inv.type == InventoryLocation::PLAYER) && (ma->to_inv.name == player->getName()); + InventoryLocation *remote = from_inv_is_current_player ? + &ma->to_inv : &ma->from_inv; + + // Check for out-of-range interaction + if (remote->type == InventoryLocation::NODEMETA) { + v3f node_pos = intToFloat(remote->p, BS); + v3f player_pos = player->getPlayerSAO()->getBasePosition(); + f32 d = player_pos.getDistanceFrom(node_pos); + if (!checkInteractDistance(player, d, "inventory")) + return; + } + /* Disable moving items out of craftpreview */ @@ -1261,6 +1269,37 @@ void Server::handleCommand_Respawn(NetworkPacket* pkt) // the previous addition has been successfully removed } +bool Server::checkInteractDistance(RemotePlayer *player, const f32 d, const std::string what) +{ + PlayerSAO *playersao = player->getPlayerSAO(); + const InventoryList *hlist = playersao->getInventory()->getList("hand"); + const ItemDefinition &playeritem_def = + playersao->getWieldedItem().getDefinition(m_itemdef); + const ItemDefinition &hand_def = + hlist ? hlist->getItem(0).getDefinition(m_itemdef) : m_itemdef->get(""); + + float max_d = BS * playeritem_def.range; + float max_d_hand = BS * hand_def.range; + + if (max_d < 0 && max_d_hand >= 0) + max_d = max_d_hand; + else if (max_d < 0) + max_d = BS * 4.0f; + + // cube diagonal: sqrt(3) = 1.732 + if (d > max_d * 1.732) { + actionstream << "Player " << player->getName() + << " tried to access " << what + << " from too far: " + << "d=" << d <<", max_d=" << max_d + << ". ignoring." << std::endl; + // Call callbacks + m_script->on_cheat(playersao, "interacted_too_far"); + return false; + } + return true; +} + void Server::handleCommand_Interact(NetworkPacket* pkt) { /* @@ -1384,33 +1423,13 @@ void Server::handleCommand_Interact(NetworkPacket* pkt) */ static const bool enable_anticheat = !g_settings->getBool("disable_anticheat"); if ((action == 0 || action == 2 || action == 3 || action == 4) && - (enable_anticheat && !isSingleplayer())) { + enable_anticheat && !isSingleplayer()) { float d = player_pos.getDistanceFrom(pointed_pos_under); - const ItemDefinition &playeritem_def = - playersao->getWieldedItem().getDefinition(m_itemdef); - float max_d = BS * playeritem_def.range; - InventoryList *hlist = playersao->getInventory()->getList("hand"); - const ItemDefinition &hand_def = - hlist ? (hlist->getItem(0).getDefinition(m_itemdef)) : (m_itemdef->get("")); - float max_d_hand = BS * hand_def.range; - if (max_d < 0 && max_d_hand >= 0) - max_d = max_d_hand; - else if (max_d < 0) - max_d = BS * 4.0; - // cube diagonal: sqrt(3) = 1.73 - if (d > max_d * 1.73) { - actionstream << "Player " << player->getName() - << " tried to access " << pointed.dump() - << " from too far: " - << "d=" << d <<", max_d=" << max_d - << ". ignoring." << std::endl; + if (!checkInteractDistance(player, d, pointed.dump())) { // Re-send block to revert change on client-side RemoteClient *client = getClient(pkt->getPeerId()); v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS)); client->SetBlockNotSent(blockpos); - // Call callbacks - m_script->on_cheat(playersao, "interacted_too_far"); - // Do nothing else return; } } @@ -1445,8 +1464,8 @@ void Server::handleCommand_Interact(NetworkPacket* pkt) playersao->noCheatDigStart(p_under); } else if (pointed.type == POINTEDTHING_OBJECT) { - // Skip if object has been removed - if (pointed_object->m_removed) + // Skip if object can't be interacted with anymore + if (pointed_object->isGone()) return; actionstream<<player->getName()<<" punches object " @@ -1604,8 +1623,8 @@ void Server::handleCommand_Interact(NetworkPacket* pkt) if (pointed.type == POINTEDTHING_OBJECT) { // Right click object - // Skip if object has been removed - if (pointed_object->m_removed) + // Skip if object can't be interacted with anymore + if (pointed_object->isGone()) return; actionstream << player->getName() << " right-clicks object " |