- verbosestream << "Server: Got TOSERVER_INIT2 from "
- << pkt->getPeerId() << std::endl;
-
- m_clients.event(pkt->getPeerId(), CSE_GotInit2);
- u16 protocol_version = m_clients.getProtocolVersion(pkt->getPeerId());
-
-
- ///// begin compatibility code
- PlayerSAO* playersao = NULL;
- if (protocol_version <= 22) {
- playersao = StageTwoClientInit(pkt->getPeerId());
-
- if (playersao == NULL) {
- errorstream
- << "TOSERVER_INIT2 stage 2 client init failed for peer "
- << pkt->getPeerId() << std::endl;
- return;
- }
- }
- ///// end compatibility code
-
- /*
- Send some initialization data
- */
-
- infostream << "Server: Sending content to "
- << getPlayerName(pkt->getPeerId()) << std::endl;
-
- // Send player movement settings
- SendMovement(pkt->getPeerId());
-
- // Send item definitions
- SendItemDef(pkt->getPeerId(), m_itemdef, protocol_version);
-
- // Send node definitions
- SendNodeDef(pkt->getPeerId(), m_nodedef, protocol_version);
-
- m_clients.event(pkt->getPeerId(), CSE_SetDefinitionsSent);
-
- // Send media announcement
- sendMediaAnnouncement(pkt->getPeerId());
-
- // Send detached inventories
- sendDetachedInventories(pkt->getPeerId());
-
- // Send time of day
- u16 time = m_env->getTimeOfDay();
- float time_speed = g_settings->getFloat("time_speed");
- SendTimeOfDay(pkt->getPeerId(), time, time_speed);
-
- ///// begin compatibility code
- if (protocol_version <= 22) {
- m_clients.event(pkt->getPeerId(), CSE_SetClientReady);
- m_script->on_joinplayer(playersao);
- }
- ///// end compatibility code
-
- // Warnings about protocol version can be issued here
- if(getClient(pkt->getPeerId())->net_proto_version < LATEST_PROTOCOL_VERSION) {
- SendChatMessage(pkt->getPeerId(), L"# Server: WARNING: YOUR CLIENT'S "
- L"VERSION MAY NOT BE FULLY COMPATIBLE WITH THIS SERVER!");
- }
-}
-
-void Server::handleCommand_RequestMedia(ToServerPacket* pkt)
-{
- std::list<std::string> tosend;
- u16 numfiles;
-
- *pkt >> numfiles;
-
- infostream << "Sending " << numfiles << " files to "
- << getPlayerName(pkt->getPeerId()) << std::endl;
- verbosestream << "TOSERVER_REQUEST_MEDIA: " << std::endl;
-
- for(int i = 0; i < numfiles; i++) {
- std::string name;
-
- *pkt >> name;
-
- tosend.push_back(name);
- verbosestream << "TOSERVER_REQUEST_MEDIA: requested file "
- << name << std::endl;
- }
-
- sendRequestedMedia(pkt->getPeerId(), tosend);
-}
-
-void Server::handleCommand_ReceivedMedia(ToServerPacket* pkt)
-{
-}
-
-void Server::handleCommand_ClientReady(ToServerPacket* pkt)
-{
- u16 peer_id = pkt->getPeerId();
- u16 peer_proto_ver = getClient(peer_id, CS_InitDone)->net_proto_version;
-
- // clients <= protocol version 22 did not send ready message,
- // they're already initialized
- if (peer_proto_ver <= 22) {
- infostream << "Client sent message not expected by a "
- << "client using protocol version <= 22,"
- << "disconnecing peer_id: " << peer_id << std::endl;
- m_con.DisconnectPeer(peer_id);
- return;
- }
-
- PlayerSAO* playersao = StageTwoClientInit(peer_id);
-
- if (playersao == NULL) {
- errorstream
- << "TOSERVER_CLIENT_READY stage 2 client init failed for peer_id: "
- << peer_id << std::endl;
- m_con.DisconnectPeer(peer_id);
- return;
- }
-
-
- if(pkt->getSize() < 8) {
- errorstream
- << "TOSERVER_CLIENT_READY client sent inconsistent data, disconnecting peer_id: "
- << peer_id << std::endl;
- m_con.DisconnectPeer(peer_id);
- return;
- }
-
- u8 major_ver, minor_ver, patch_ver;
- *pkt >> major_ver >> minor_ver >> patch_ver;
-
- m_clients.setClientVersion(
- peer_id, major_ver, minor_ver, patch_ver,
- std::string(pkt->getString(6),(u16) pkt->getU8(4)));
-
- m_clients.event(peer_id, CSE_SetClientReady);
- m_script->on_joinplayer(playersao);
-}
-
-void Server::handleCommand_GotBlocks(ToServerPacket* pkt)
-{
- if(pkt->getSize() < 1)
- return;
-
- /*
- [0] u16 command
- [2] u8 count
- [3] v3s16 pos_0
- [3+6] v3s16 pos_1
- ...
- */
-
- u8 count;
- *pkt >> count;
-
- RemoteClient *client = getClient(pkt->getPeerId());
-
- for(u16 i=0; i<count; i++) {
- if((s16)pkt->getSize() < 1 + (i + 1) * 6)
- throw con::InvalidIncomingDataException
- ("GOTBLOCKS length is too short");
- v3s16 p;
-
- *pkt >> p;
-
- client->GotBlock(p);
- }
-}
-
-void Server::handleCommand_PlayerPos(ToServerPacket* pkt)
-{
- if(pkt->getSize() < 12 + 12 + 4 + 4)
- return;
-
- v3s32 ps, ss;
- s32 f32pitch, f32yaw;
-
- *pkt >> ps;
- *pkt >> ss;
- *pkt >> f32pitch;
- *pkt >> f32yaw;
-
- f32 pitch = (f32)f32pitch / 100.0;
- f32 yaw = (f32)f32yaw / 100.0;
- u32 keyPressed = 0;
-
- if(pkt->getSize() >= 12 + 12 + 4 + 4 + 4)
- *pkt >> keyPressed;
-
- v3f position((f32)ps.X / 100.0, (f32)ps.Y / 100.0, (f32)ps.Z / 100.0);
- v3f speed((f32)ss.X / 100.0, (f32)ss.Y / 100.0, (f32)ss.Z / 100.0);
- pitch = wrapDegrees(pitch);
- yaw = wrapDegrees(yaw);
-
- Player *player = m_env->getPlayer(pkt->getPeerId());
- if(player == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- PlayerSAO *playersao = player->getPlayerSAO();
- if(playersao == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player object for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- player->setPosition(position);
- player->setSpeed(speed);
- player->setPitch(pitch);
- player->setYaw(yaw);
- player->keyPressed=keyPressed;
- player->control.up = (bool)(keyPressed & 1);
- player->control.down = (bool)(keyPressed & 2);
- player->control.left = (bool)(keyPressed & 4);
- player->control.right = (bool)(keyPressed & 8);
- player->control.jump = (bool)(keyPressed & 16);
- player->control.aux1 = (bool)(keyPressed & 32);
- player->control.sneak = (bool)(keyPressed & 64);
- player->control.LMB = (bool)(keyPressed & 128);
- player->control.RMB = (bool)(keyPressed & 256);
-
- bool cheated = playersao->checkMovementCheat();
- if(cheated) {
- // Call callbacks
- m_script->on_cheat(playersao, "moved_too_fast");
- }
-}
-
-void Server::handleCommand_DeletedBlocks(ToServerPacket* pkt)
-{
- if(pkt->getSize() < 1)
- return;
-
- /*
- [0] u16 command
- [2] u8 count
- [3] v3s16 pos_0
- [3+6] v3s16 pos_1
- ...
- */
-
- u8 count;
- *pkt >> count;
-
- RemoteClient *client = getClient(pkt->getPeerId());
-
- for(u16 i=0; i<count; i++) {
- if((s16)pkt->getSize() < 1 + (i + 1) * 6)
- throw con::InvalidIncomingDataException
- ("DELETEDBLOCKS length is too short");
- v3s16 p;
- *pkt >> p;
-
- client->SetBlockNotSent(p);
- }
-}
-
-void Server::handleCommand_InventoryAction(ToServerPacket* pkt)
-{
- Player *player = m_env->getPlayer(pkt->getPeerId());
- if(player == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- PlayerSAO *playersao = player->getPlayerSAO();
- if(playersao == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player object for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- // Strip command and create a stream
- std::string datastring(pkt->getString(0), pkt->getSize());
- verbosestream << "TOSERVER_INVENTORY_ACTION: data=" << datastring
- << std::endl;
- std::istringstream is(datastring, std::ios_base::binary);
- // Create an action
- InventoryAction *a = InventoryAction::deSerialize(is);
- if(a == NULL) {
- infostream << "TOSERVER_INVENTORY_ACTION: "
- << "InventoryAction::deSerialize() returned NULL"
- << std::endl;
- return;
- }
-
- // If something goes wrong, this player is to blame
- RollbackScopeActor rollback_scope(m_rollback,
- std::string("player:")+player->getName());
-
- /*
- Note: Always set inventory not sent, to repair cases
- where the client made a bad prediction.
- */
-
- /*
- Handle restrictions and special cases of the move action
- */
- if(a->getType() == IACTION_MOVE) {
- IMoveAction *ma = (IMoveAction*)a;
-
- ma->from_inv.applyCurrentPlayer(player->getName());
- ma->to_inv.applyCurrentPlayer(player->getName());
-
- setInventoryModified(ma->from_inv);
- setInventoryModified(ma->to_inv);
-
- bool from_inv_is_current_player =
- (ma->from_inv.type == InventoryLocation::PLAYER) &&
- (ma->from_inv.name == player->getName());
-
- bool to_inv_is_current_player =
- (ma->to_inv.type == InventoryLocation::PLAYER) &&
- (ma->to_inv.name == player->getName());
-
- /*
- Disable moving items out of craftpreview
- */
- if(ma->from_list == "craftpreview") {
- infostream << "Ignoring IMoveAction from "
- << (ma->from_inv.dump()) << ":" << ma->from_list
- << " to " << (ma->to_inv.dump()) << ":" << ma->to_list
- << " because src is " << ma->from_list << std::endl;
- delete a;
- return;
- }
-
- /*
- Disable moving items into craftresult and craftpreview
- */
- if(ma->to_list == "craftpreview" || ma->to_list == "craftresult") {
- infostream << "Ignoring IMoveAction from "
- << (ma->from_inv.dump()) << ":" << ma->from_list
- << " to " << (ma->to_inv.dump()) << ":" << ma->to_list
- << " because dst is " << ma->to_list << std::endl;
- delete a;
- return;
- }
-
- // Disallow moving items in elsewhere than player's inventory
- // if not allowed to interact
- if(!checkPriv(player->getName(), "interact") &&
- (!from_inv_is_current_player ||
- !to_inv_is_current_player)) {
- infostream << "Cannot move outside of player's inventory: "
- << "No interact privilege" << std::endl;
- delete a;
- return;
- }
- }
- /*
- Handle restrictions and special cases of the drop action
- */
- else if(a->getType() == IACTION_DROP) {
- IDropAction *da = (IDropAction*)a;
-
- da->from_inv.applyCurrentPlayer(player->getName());
-
- setInventoryModified(da->from_inv);
-
- /*
- Disable dropping items out of craftpreview
- */
- if(da->from_list == "craftpreview") {
- infostream << "Ignoring IDropAction from "
- << (da->from_inv.dump()) << ":" << da->from_list
- << " because src is " << da->from_list << std::endl;
- delete a;
- return;
- }
-
- // Disallow dropping items if not allowed to interact
- if(!checkPriv(player->getName(), "interact")) {
- delete a;
- return;
- }
- }
- /*
- Handle restrictions and special cases of the craft action
- */
- else if(a->getType() == IACTION_CRAFT) {
- ICraftAction *ca = (ICraftAction*)a;
-
- ca->craft_inv.applyCurrentPlayer(player->getName());
-
- setInventoryModified(ca->craft_inv);
-
- //bool craft_inv_is_current_player =
- // (ca->craft_inv.type == InventoryLocation::PLAYER) &&
- // (ca->craft_inv.name == player->getName());
-
- // Disallow crafting if not allowed to interact
- if(!checkPriv(player->getName(), "interact")) {
- infostream << "Cannot craft: "
- << "No interact privilege" << std::endl;
- delete a;
- return;
- }
- }
-
- // Do the action
- a->apply(this, playersao, this);
- // Eat the action
- delete a;
-}
-
-void Server::handleCommand_ChatMessage(ToServerPacket* pkt)
-{
- /*
- u16 command
- u16 length
- wstring message
- */
- u16 len;
- *pkt >> len;
-
- std::wstring message;
- for(u16 i=0; i<len; i++) {
- u16 tmp_wchar;
- *pkt >> tmp_wchar;
-
- message += (wchar_t)tmp_wchar;
- }
-
- Player *player = m_env->getPlayer(pkt->getPeerId());
- if(player == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- // If something goes wrong, this player is to blame
- RollbackScopeActor rollback_scope(m_rollback,
- std::string("player:")+player->getName());
-
- // Get player name of this client
- std::wstring name = narrow_to_wide(player->getName());
-
- // Run script hook
- bool ate = m_script->on_chat_message(player->getName(),
- wide_to_narrow(message));
- // If script ate the message, don't proceed
- if(ate)
- return;
-
- // Line to send to players
- std::wstring line;
- // Whether to send to the player that sent the line
- bool send_to_sender_only = false;
-
- // Commands are implemented in Lua, so only catch invalid
- // commands that were not "eaten" and send an error back
- if(message[0] == L'/') {
- message = message.substr(1);
- send_to_sender_only = true;
- if(message.length() == 0)
- line += L"-!- Empty command";
- else
- line += L"-!- Invalid command: " + str_split(message, L' ')[0];
- }
- else {
- if(checkPriv(player->getName(), "shout")) {
- line += L"<";
- line += name;
- line += L"> ";
- line += message;
- } else {
- line += L"-!- You don't have permission to shout.";
- send_to_sender_only = true;
- }
- }
-
- if(line != L"")
- {
- /*
- Send the message to sender
- */
- if (send_to_sender_only) {
- SendChatMessage(pkt->getPeerId(), line);
- }
- /*
- Send the message to others
- */
- else {
- actionstream << "CHAT: " << wide_to_narrow(line)<<std::endl;
-
- std::list<u16> clients = m_clients.getClientIDs();
-
- for(std::list<u16>::iterator
- i = clients.begin();
- i != clients.end(); ++i) {
- if (*i != pkt->getPeerId())
- SendChatMessage(*i, line);
- }
- }
- }
-}
-
-void Server::handleCommand_Damage(ToServerPacket* pkt)
-{
- u8 damage;
-
- *pkt >> damage;
-
- Player *player = m_env->getPlayer(pkt->getPeerId());
- if(player == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- PlayerSAO *playersao = player->getPlayerSAO();
- if(playersao == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player object for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- if(g_settings->getBool("enable_damage")) {
- actionstream << player->getName() << " damaged by "
- << (int)damage << " hp at " << PP(player->getPosition() / BS)
- << std::endl;
-
- playersao->setHP(playersao->getHP() - damage);
-
- if(playersao->getHP() == 0 && playersao->m_hp_not_sent)
- DiePlayer(pkt->getPeerId());
-
- if(playersao->m_hp_not_sent)
- SendPlayerHP(pkt->getPeerId());
- }
-}
-
-void Server::handleCommand_Breath(ToServerPacket* pkt)
-{
- u16 breath;
-
- *pkt >> breath;
-
- Player *player = m_env->getPlayer(pkt->getPeerId());
- if(player == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- PlayerSAO *playersao = player->getPlayerSAO();
- if(playersao == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player object for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- playersao->setBreath(breath);
- m_script->player_event(playersao,"breath_changed");
-}
-
-void Server::handleCommand_Password(ToServerPacket* pkt)
-{
- /*
- [0] u16 TOSERVER_PASSWORD
- [2] u8[28] old password
- [30] u8[28] new password
- */
-
- if(pkt->getSize() != PASSWORD_SIZE * 2)
- return;
-
- std::string oldpwd;
- std::string newpwd;
-
- for(u32 i=0; i<PASSWORD_SIZE - 1; i++) {
- char c = pkt->getChar(i);
- if(c == 0)
- break;
- oldpwd += c;
- }
-
- for(u32 i=0; i<PASSWORD_SIZE - 1; i++) {
- char c = pkt->getChar(PASSWORD_SIZE + i);
- if(c == 0)
- break;
- newpwd += c;
- }
-
- Player *player = m_env->getPlayer(pkt->getPeerId());
- if(player == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- if(!base64_is_valid(newpwd)) {
- infostream<<"Server: " << player->getName() <<
- " supplied invalid password hash" << std::endl;
- // Wrong old password supplied!!
- SendChatMessage(pkt->getPeerId(), L"Invalid new password hash supplied. Password NOT changed.");
- return;
- }
-
- infostream << "Server: Client requests a password change from "
- << "'" << oldpwd << "' to '" << newpwd << "'" << std::endl;
-
- std::string playername = player->getName();
-
- std::string checkpwd;
- m_script->getAuth(playername, &checkpwd, NULL);
-
- if(oldpwd != checkpwd) {
- infostream << "Server: invalid old password" << std::endl;
- // Wrong old password supplied!!
- SendChatMessage(pkt->getPeerId(), L"Invalid old password supplied. Password NOT changed.");
- return;
- }
-
- bool success = m_script->setPassword(playername, newpwd);
- if(success) {
- actionstream << player->getName() << " changes password" << std::endl;
- SendChatMessage(pkt->getPeerId(), L"Password change successful.");
- } else {
- actionstream << player->getName() << " tries to change password but "
- << "it fails" << std::endl;
- SendChatMessage(pkt->getPeerId(), L"Password change failed or inavailable.");
- }
-}
-
-void Server::handleCommand_PlayerItem(ToServerPacket* pkt)
-{
- if (pkt->getSize() < 2)
- return;
-
- Player *player = m_env->getPlayer(pkt->getPeerId());
- if(player == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- PlayerSAO *playersao = player->getPlayerSAO();
- if(playersao == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player object for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- u16 item;
-
- *pkt >> item;
-
- playersao->setWieldIndex(item);
-}
-
-void Server::handleCommand_Respawn(ToServerPacket* pkt)
-{
- Player *player = m_env->getPlayer(pkt->getPeerId());
- if(player == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- if(player->hp != 0 || !g_settings->getBool("enable_damage"))
- return;
-
- RespawnPlayer(pkt->getPeerId());
-
- actionstream<<player->getName()<<" respawns at "
- <<PP(player->getPosition()/BS)<<std::endl;
-
- // ActiveObject is added to environment in AsyncRunStep after
- // the previous addition has been succesfully removed
-}
-
-void Server::handleCommand_Interact(ToServerPacket* pkt)
-{
- std::string datastring(pkt->getString(0), pkt->getSize());
- std::istringstream is(datastring, std::ios_base::binary);
-
- /*
- [0] u16 command
- [2] u8 action
- [3] u16 item
- [5] u32 length of the next item
- [9] serialized PointedThing
- actions:
- 0: start digging (from undersurface) or use
- 1: stop digging (all parameters ignored)
- 2: digging completed
- 3: place block or item (to abovesurface)
- 4: use item
- */
- u8 action = readU8(is);
- u16 item_i = readU16(is);
- std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
- PointedThing pointed;
- pointed.deSerialize(tmp_is);
-
- verbosestream << "TOSERVER_INTERACT: action=" << (int)action << ", item="
- << item_i << ", pointed=" << pointed.dump() << std::endl;
-
- Player *player = m_env->getPlayer(pkt->getPeerId());
- if(player == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- PlayerSAO *playersao = player->getPlayerSAO();
- if(playersao == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player object for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- if(player->hp == 0) {
- verbosestream << "TOSERVER_INTERACT: " << player->getName()
- << " tried to interact, but is dead!" << std::endl;
- return;
- }
-
- v3f player_pos = playersao->getLastGoodPosition();
-
- // Update wielded item
- playersao->setWieldIndex(item_i);
-
- // Get pointed to node (undefined if not POINTEDTYPE_NODE)
- v3s16 p_under = pointed.node_undersurface;
- v3s16 p_above = pointed.node_abovesurface;
-
- // Get pointed to object (NULL if not POINTEDTYPE_OBJECT)
- ServerActiveObject *pointed_object = NULL;
- if(pointed.type == POINTEDTHING_OBJECT) {
- pointed_object = m_env->getActiveObject(pointed.object_id);
- if(pointed_object == NULL) {
- verbosestream << "TOSERVER_INTERACT: "
- "pointed object is NULL" << std::endl;
- return;
- }
-
- }
-
- v3f pointed_pos_under = player_pos;
- v3f pointed_pos_above = player_pos;
- if(pointed.type == POINTEDTHING_NODE) {
- pointed_pos_under = intToFloat(p_under, BS);
- pointed_pos_above = intToFloat(p_above, BS);
- }
- else if(pointed.type == POINTEDTHING_OBJECT) {
- pointed_pos_under = pointed_object->getBasePosition();
- pointed_pos_above = pointed_pos_under;
- }
-
- /*
- Check that target is reasonably close
- (only when digging or placing things)
- */
- if(action == 0 || action == 2 || action == 3) {
- float d = player_pos.getDistanceFrom(pointed_pos_under);
- float max_d = BS * 14; // Just some large enough value
- if(d > max_d) {
- actionstream << "Player " << player->getName()
- << " tried to access " << pointed.dump()
- << " from too far: "
- << "d=" << d <<", max_d=" << max_d
- << ". ignoring." << std::endl;
- // 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;
- }
- }
-
- /*
- Make sure the player is allowed to do it
- */
- if(!checkPriv(player->getName(), "interact")) {
- actionstream<<player->getName()<<" attempted to interact with "
- <<pointed.dump()<<" without 'interact' privilege"
- <<std::endl;
- // Re-send block to revert change on client-side
- RemoteClient *client = getClient(pkt->getPeerId());
- // Digging completed -> under
- if(action == 2) {
- v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
- client->SetBlockNotSent(blockpos);
- }
- // Placement -> above
- if(action == 3) {
- v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_above, BS));
- client->SetBlockNotSent(blockpos);
- }
- return;
- }
-
- /*
- If something goes wrong, this player is to blame
- */
- RollbackScopeActor rollback_scope(m_rollback,
- std::string("player:")+player->getName());
-
- /*
- 0: start digging or punch object
- */
- if(action == 0) {
- if(pointed.type == POINTEDTHING_NODE) {
- /*
- NOTE: This can be used in the future to check if
- somebody is cheating, by checking the timing.
- */
- MapNode n(CONTENT_IGNORE);
- bool pos_ok;
- n = m_env->getMap().getNodeNoEx(p_under, &pos_ok);
- if (pos_ok)
- n = m_env->getMap().getNodeNoEx(p_under, &pos_ok);
-
- if (!pos_ok) {
- infostream << "Server: Not punching: Node not found."
- << " Adding block to emerge queue."
- << std::endl;
- m_emerge->enqueueBlockEmerge(pkt->getPeerId(), getNodeBlockPos(p_above), false);
- }
-
- if(n.getContent() != CONTENT_IGNORE)
- m_script->node_on_punch(p_under, n, playersao, pointed);
- // Cheat prevention
- playersao->noCheatDigStart(p_under);
- }
- else if(pointed.type == POINTEDTHING_OBJECT) {
- // Skip if object has been removed
- if(pointed_object->m_removed)
- return;
-
- actionstream<<player->getName()<<" punches object "
- <<pointed.object_id<<": "
- <<pointed_object->getDescription()<<std::endl;
-
- ItemStack punchitem = playersao->getWieldedItem();
- ToolCapabilities toolcap =
- punchitem.getToolCapabilities(m_itemdef);
- v3f dir = (pointed_object->getBasePosition() -
- (player->getPosition() + player->getEyeOffset())
- ).normalize();
- float time_from_last_punch =
- playersao->resetTimeFromLastPunch();
- pointed_object->punch(dir, &toolcap, playersao,
- time_from_last_punch);
- }
-
- } // action == 0
-
- /*
- 1: stop digging
- */
- else if(action == 1) {
- } // action == 1
-
- /*
- 2: Digging completed
- */
- else if(action == 2) {
- // Only digging of nodes
- if(pointed.type == POINTEDTHING_NODE) {
- bool pos_ok;
- MapNode n = m_env->getMap().getNodeNoEx(p_under, &pos_ok);
- if (!pos_ok) {
- infostream << "Server: Not finishing digging: Node not found."
- << " Adding block to emerge queue."
- << std::endl;
- m_emerge->enqueueBlockEmerge(pkt->getPeerId(), getNodeBlockPos(p_above), false);
- }
-
- /* Cheat prevention */
- bool is_valid_dig = true;
- if(!isSingleplayer() && !g_settings->getBool("disable_anticheat")) {
- v3s16 nocheat_p = playersao->getNoCheatDigPos();
- float nocheat_t = playersao->getNoCheatDigTime();
- playersao->noCheatDigEnd();
- // If player didn't start digging this, ignore dig
- if(nocheat_p != p_under) {
- infostream << "Server: NoCheat: " << player->getName()
- << " started digging "
- << PP(nocheat_p) << " and completed digging "
- << PP(p_under) << "; not digging." << std::endl;
- is_valid_dig = false;
- // Call callbacks
- m_script->on_cheat(playersao, "finished_unknown_dig");
- }
- // Get player's wielded item
- ItemStack playeritem;
- InventoryList *mlist = playersao->getInventory()->getList("main");
- if(mlist != NULL)
- playeritem = mlist->getItem(playersao->getWieldIndex());
- ToolCapabilities playeritem_toolcap =
- playeritem.getToolCapabilities(m_itemdef);
- // Get diggability and expected digging time
- DigParams params = getDigParams(m_nodedef->get(n).groups,
- &playeritem_toolcap);
- // If can't dig, try hand
- if(!params.diggable) {
- const ItemDefinition &hand = m_itemdef->get("");
- const ToolCapabilities *tp = hand.tool_capabilities;
- if(tp)
- params = getDigParams(m_nodedef->get(n).groups, tp);
- }
- // If can't dig, ignore dig
- if(!params.diggable) {
- infostream << "Server: NoCheat: " << player->getName()
- << " completed digging " << PP(p_under)
- << ", which is not diggable with tool. not digging."
- << std::endl;
- is_valid_dig = false;
- // Call callbacks
- m_script->on_cheat(playersao, "dug_unbreakable");
- }
- // Check digging time
- // If already invalidated, we don't have to
- if(!is_valid_dig) {
- // Well not our problem then
- }
- // Clean and long dig
- else if(params.time > 2.0 && nocheat_t * 1.2 > params.time) {
- // All is good, but grab time from pool; don't care if
- // it's actually available
- playersao->getDigPool().grab(params.time);
- }
- // Short or laggy dig
- // Try getting the time from pool
- else if(playersao->getDigPool().grab(params.time)) {
- // All is good
- }
- // Dig not possible
- else {
- infostream << "Server: NoCheat: " << player->getName()
- << " completed digging " << PP(p_under)
- << "too fast; not digging." << std::endl;
- is_valid_dig = false;
- // Call callbacks
- m_script->on_cheat(playersao, "dug_too_fast");
- }
- }
-
- /* Actually dig node */
-
- if(is_valid_dig && n.getContent() != CONTENT_IGNORE)
- m_script->node_on_dig(p_under, n, playersao);
-
- v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
- RemoteClient *client = getClient(pkt->getPeerId());
- // Send unusual result (that is, node not being removed)
- if(m_env->getMap().getNodeNoEx(p_under).getContent() != CONTENT_AIR) {
- // Re-send block to revert change on client-side
- client->SetBlockNotSent(blockpos);
- }
- else {
- client->ResendBlockIfOnWire(blockpos);
- }
- }
- } // action == 2
-
- /*
- 3: place block or right-click object
- */
- else if(action == 3) {
- ItemStack item = playersao->getWieldedItem();
-
- // Reset build time counter
- if(pointed.type == POINTEDTHING_NODE &&
- item.getDefinition(m_itemdef).type == ITEM_NODE)
- getClient(pkt->getPeerId())->m_time_from_building = 0.0;
-
- if(pointed.type == POINTEDTHING_OBJECT) {
- // Right click object
-
- // Skip if object has been removed
- if(pointed_object->m_removed)
- return;
-
- actionstream << player->getName() << " right-clicks object "
- << pointed.object_id << ": "
- << pointed_object->getDescription() << std::endl;
-
- // Do stuff
- pointed_object->rightClick(playersao);
- }
- else if(m_script->item_OnPlace(
- item, playersao, pointed)) {
- // Placement was handled in lua
-
- // Apply returned ItemStack
- playersao->setWieldedItem(item);
- }
-
- // If item has node placement prediction, always send the
- // blocks to make sure the client knows what exactly happened
- RemoteClient *client = getClient(pkt->getPeerId());
- v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_above, BS));
- v3s16 blockpos2 = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
- if(item.getDefinition(m_itemdef).node_placement_prediction != "") {
- client->SetBlockNotSent(blockpos);
- if(blockpos2 != blockpos) {
- client->SetBlockNotSent(blockpos2);
- }
- }
- else {
- client->ResendBlockIfOnWire(blockpos);
- if(blockpos2 != blockpos) {
- client->ResendBlockIfOnWire(blockpos2);
- }
- }
- } // action == 3
-
- /*
- 4: use
- */
- else if(action == 4) {
- ItemStack item = playersao->getWieldedItem();
-
- actionstream << player->getName() << " uses " << item.name
- << ", pointing at " << pointed.dump() << std::endl;
-
- if(m_script->item_OnUse(
- item, playersao, pointed)) {
- // Apply returned ItemStack
- playersao->setWieldedItem(item);
- }
-
- } // action == 4
-
-
- /*
- Catch invalid actions
- */
- else {
- infostream << "WARNING: Server: Invalid action "
- << action << std::endl;
- }
-}
-
-void Server::handleCommand_RemovedSounds(ToServerPacket* pkt)
-{
- u16 num;
- *pkt >> num;
- for(int k=0; k<num; k++) {
- s32 id;
-
- *pkt >> id;
-
- std::map<s32, ServerPlayingSound>::iterator i =
- m_playing_sounds.find(id);
-
- if(i == m_playing_sounds.end())
- continue;
-
- ServerPlayingSound &psound = i->second;
- psound.clients.erase(pkt->getPeerId());
- if(psound.clients.empty())
- m_playing_sounds.erase(i++);
- }
-}
-
-void Server::handleCommand_NodeMetaFields(ToServerPacket* pkt)
-{
- v3s16 p;
- std::string formname;
- u16 num;
-
- *pkt >> p >> formname >> num;
-
- std::map<std::string, std::string> fields;
- for(int k=0; k<num; k++) {
- std::string fieldname;
- *pkt >> fieldname;
- fields[fieldname] = pkt->readLongString();
- }
-
- Player *player = m_env->getPlayer(pkt->getPeerId());
- if(player == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- PlayerSAO *playersao = player->getPlayerSAO();
- if(playersao == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player object for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- // If something goes wrong, this player is to blame
- RollbackScopeActor rollback_scope(m_rollback,
- std::string("player:")+player->getName());
-
- // Check the target node for rollback data; leave others unnoticed
- RollbackNode rn_old(&m_env->getMap(), p, this);
-
- m_script->node_on_receive_fields(p, formname, fields, playersao);
-
- // Report rollback data
- RollbackNode rn_new(&m_env->getMap(), p, this);
- if(rollback() && rn_new != rn_old){
- RollbackAction action;
- action.setSetNode(p, rn_old, rn_new);
- rollback()->reportAction(action);
- }
-}
-
-void Server::handleCommand_InventoryFields(ToServerPacket* pkt)
-{
- std::string formname;
- u16 num;
-
- *pkt >> formname >> num;
-
- std::map<std::string, std::string> fields;
- for(int k=0; k<num; k++) {
- std::string fieldname;
- *pkt >> fieldname;
- fields[fieldname] = pkt->readLongString();
- }
-
- Player *player = m_env->getPlayer(pkt->getPeerId());
- if(player == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- PlayerSAO *playersao = player->getPlayerSAO();
- if(playersao == NULL) {
- errorstream << "Server::ProcessData(): Cancelling: "
- "No player object for peer_id=" << pkt->getPeerId()
- << " disconnecting peer!" << std::endl;
- m_con.DisconnectPeer(pkt->getPeerId());
- return;
- }
-
- m_script->on_playerReceiveFields(playersao, formname, fields);
-}
-
-inline void Server::handleCommand(ToServerPacket* pkt)
-{
- const ToServerCommandHandler& opHandle = toServerCommandTable[pkt->getCommand()];
- (this->*opHandle.handler)(pkt);
-}
-
-void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
-{
- DSTACK(__FUNCTION_NAME);
- // Environment is locked first.
- JMutexAutoLock envlock(m_env_mutex);
-
- ScopeProfiler sp(g_profiler, "Server::ProcessData");
-
- try {
- Address address = getPeerAddress(peer_id);
- std::string addr_s = address.serializeString();
-
- if(m_banmanager->isIpBanned(addr_s)) {
- std::string ban_name = m_banmanager->getBanName(addr_s);
- infostream << "Server: A banned client tried to connect from "
- << addr_s << "; banned name was "
- << ban_name << std::endl;
- // This actually doesn't seem to transfer to the client
- DenyAccess(peer_id, L"Your ip is banned. Banned name was "
- + narrow_to_wide(ban_name));
- return;
- }
- }
- catch(con::PeerNotFoundException &e) {
- /*
- * no peer for this packet found
- * most common reason is peer timeout, e.g. peer didn't
- * respond for some time, your server was overloaded or
- * things like that.
- */
- infostream << "Server::ProcessData(): Cancelling: peer "
- << peer_id << " not found" << std::endl;
- return;
- }
-
- try {
- if(datasize < 2)
- return;
-
- ToServerPacket* pkt = new ToServerPacket(data, datasize, peer_id);
-
- ToServerCommand command = pkt->getCommand();
-
- // Command must be handled into ToServerCommandHandler
- if (command >= TOSERVER_NUM_MSG_TYPES) {
- infostream << "Server: Ignoring unknown command "
- << command << std::endl;
- }
-
- if (toServerCommandTable[command].state == TOSERVER_STATE_NOT_CONNECTED) {
- handleCommand(pkt);
- delete pkt;
- return;
- }
-
- u8 peer_ser_ver = getClient(peer_id, CS_InitDone)->serialization_version;
-
- if(peer_ser_ver == SER_FMT_VER_INVALID) {
- errorstream << "Server::ProcessData(): Cancelling: Peer"
- " serialization format invalid or not initialized."
- " Skipping incoming command=" << command << std::endl;
-
- delete pkt;
- return;
- }
-
- /* Handle commands related to client startup */
- if (toServerCommandTable[command].state == TOSERVER_STATE_STARTUP) {
- handleCommand(pkt);
- delete pkt;
- return;
- }
-
- if (m_clients.getClientState(peer_id) < CS_Active) {
- if (command == TOSERVER_PLAYERPOS) return;
-
- errorstream << "Got packet command: " << command << " for peer id "
- << peer_id << " but client isn't active yet. Dropping packet "
- << std::endl;
-
- delete pkt;
- return;
- }
-
- handleCommand(pkt);
- delete pkt;
-
- }
- catch(SendFailedException &e) {
- errorstream << "Server::ProcessData(): SendFailedException: "
- << "what=" << e.what()
- << std::endl;
- }
-}
-
-void Server::setTimeOfDay(u32 time)
-{
- m_env->setTimeOfDay(time);
- m_time_of_day_send_timer = 0;
-}