jni/src/network/connection.cpp \
jni/src/network/networkpacket.cpp \
jni/src/network/clientopcodes.cpp \
+ jni/src/network/clientpackethandler.cpp \
jni/src/network/serveropcodes.cpp \
- jni/src/network/packethandlers/server.cpp \
- jni/src/network/packethandlers/client.cpp
+ jni/src/network/serverpackethandler.cpp \
# lua api
LOCAL_SRC_FILES += \
set(common_network_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/connection.cpp
${CMAKE_CURRENT_SOURCE_DIR}/networkpacket.cpp
- ${CMAKE_CURRENT_SOURCE_DIR}/packethandlers/server.cpp
+ ${CMAKE_CURRENT_SOURCE_DIR}/serverpackethandler.cpp
${CMAKE_CURRENT_SOURCE_DIR}/serveropcodes.cpp
PARENT_SCOPE
)
if (BUILD_CLIENT)
set(client_network_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/clientopcodes.cpp
- ${CMAKE_CURRENT_SOURCE_DIR}/packethandlers/client.cpp
+ ${CMAKE_CURRENT_SOURCE_DIR}/clientpackethandler.cpp
PARENT_SCOPE
)
-endif(BUILD_CLIENT)
\ No newline at end of file
+endif(BUILD_CLIENT)
--- /dev/null
+/*
+Minetest
+Copyright (C) 2015 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "client.h"
+
+#include "util/base64.h"
+#include "clientmedia.h"
+#include "log.h"
+#include "map.h"
+#include "mapsector.h"
+#include "nodedef.h"
+#include "serialization.h"
+#include "server.h"
+#include "strfnd.h"
+#include "network/clientopcodes.h"
+#include "util/serialize.h"
+
+void Client::handleCommand_Deprecated(NetworkPacket* pkt)
+{
+ infostream << "Got deprecated command "
+ << toClientCommandTable[pkt->getCommand()].name << " from peer "
+ << pkt->getPeerId() << "!" << std::endl;
+}
+
+void Client::handleCommand_Hello(NetworkPacket* pkt)
+{
+ if (pkt->getSize() < 1)
+ return;
+
+ u8 deployed;
+ *pkt >> deployed;
+
+ infostream << "Client: TOCLIENT_HELLO received with "
+ "deployed=" << ((int)deployed & 0xff) << std::endl;
+
+ if (!ser_ver_supported(deployed)) {
+ infostream << "Client: TOCLIENT_HELLO: Server sent "
+ << "unsupported ser_fmt_ver"<< std::endl;
+ return;
+ }
+
+ m_server_ser_ver = deployed;
+
+ // @ TODO auth to server
+}
+
+void Client::handleCommand_AuthAccept(NetworkPacket* pkt)
+{
+ v3f playerpos;
+ *pkt >> playerpos >> m_map_seed >> m_recommended_send_interval;
+
+ playerpos -= v3f(0, BS / 2, 0);
+
+ // Set player position
+ Player *player = m_env.getLocalPlayer();
+ assert(player != NULL);
+ player->setPosition(playerpos);
+
+ infostream << "Client: received map seed: " << m_map_seed << std::endl;
+ infostream << "Client: received recommended send interval "
+ << m_recommended_send_interval<<std::endl;
+
+ // Reply to server
+ NetworkPacket resp_pkt(TOSERVER_INIT2, 0);
+ Send(&resp_pkt);
+
+ m_state = LC_Init;
+}
+
+void Client::handleCommand_InitLegacy(NetworkPacket* pkt)
+{
+ if (pkt->getSize() < 1)
+ return;
+
+ u8 deployed;
+ *pkt >> deployed;
+
+ infostream << "Client: TOCLIENT_INIT_LEGACY received with "
+ "deployed=" << ((int)deployed & 0xff) << std::endl;
+
+ if (!ser_ver_supported(deployed)) {
+ infostream << "Client: TOCLIENT_INIT_LEGACY: Server sent "
+ << "unsupported ser_fmt_ver"<< std::endl;
+ return;
+ }
+
+ m_server_ser_ver = deployed;
+
+ // Get player position
+ v3s16 playerpos_s16(0, BS * 2 + BS * 20, 0);
+ if (pkt->getSize() >= 1 + 6) {
+ *pkt >> playerpos_s16;
+ }
+ v3f playerpos_f = intToFloat(playerpos_s16, BS) - v3f(0, BS / 2, 0);
+
+
+ // Set player position
+ Player *player = m_env.getLocalPlayer();
+ assert(player != NULL);
+ player->setPosition(playerpos_f);
+
+ if (pkt->getSize() >= 1 + 6 + 8) {
+ // Get map seed
+ *pkt >> m_map_seed;
+ infostream << "Client: received map seed: " << m_map_seed << std::endl;
+ }
+
+ if (pkt->getSize() >= 1 + 6 + 8 + 4) {
+ *pkt >> m_recommended_send_interval;
+ infostream << "Client: received recommended send interval "
+ << m_recommended_send_interval<<std::endl;
+ }
+
+ // Reply to server
+ NetworkPacket resp_pkt(TOSERVER_INIT2, 0);
+ Send(&resp_pkt);
+
+ m_state = LC_Init;
+}
+
+void Client::handleCommand_AccessDenied(NetworkPacket* pkt)
+{
+ // The server didn't like our password. Note, this needs
+ // to be processed even if the serialisation format has
+ // not been agreed yet, the same as TOCLIENT_INIT.
+ m_access_denied = true;
+ m_access_denied_reason = L"Unknown";
+
+ if (pkt->getCommand() == TOCLIENT_ACCESS_DENIED) {
+ if (pkt->getSize() < 1)
+ return;
+
+ u8 denyCode = SERVER_ACCESSDENIED_UNEXPECTED_DATA;
+ *pkt >> denyCode;
+ if (denyCode == SERVER_ACCESSDENIED_CUSTOM_STRING) {
+ *pkt >> m_access_denied_reason;
+ }
+ else if (denyCode < SERVER_ACCESSDENIED_MAX) {
+ m_access_denied_reason = accessDeniedStrings[denyCode];
+ }
+ }
+ // 13/03/15 Legacy code from 0.4.12 and lesser. must stay 1 year
+ // for compat with old clients
+ else {
+ if (pkt->getSize() >= 2) {
+ *pkt >> m_access_denied_reason;
+ }
+ }
+}
+
+void Client::handleCommand_RemoveNode(NetworkPacket* pkt)
+{
+ if (pkt->getSize() < 6)
+ return;
+
+ v3s16 p;
+ *pkt >> p;
+ removeNode(p);
+}
+
+void Client::handleCommand_AddNode(NetworkPacket* pkt)
+{
+ if (pkt->getSize() < 6 + MapNode::serializedLength(m_server_ser_ver))
+ return;
+
+ v3s16 p;
+ *pkt >> p;
+
+ MapNode n;
+ n.deSerialize(pkt->getU8Ptr(6), m_server_ser_ver);
+
+ bool remove_metadata = true;
+ u32 index = 6 + MapNode::serializedLength(m_server_ser_ver);
+ if ((pkt->getSize() >= index + 1) && pkt->getU8(index)) {
+ remove_metadata = false;
+ }
+
+ addNode(p, n, remove_metadata);
+}
+void Client::handleCommand_BlockData(NetworkPacket* pkt)
+{
+ // Ignore too small packet
+ if (pkt->getSize() < 6)
+ return;
+
+ v3s16 p;
+ *pkt >> p;
+
+ std::string datastring(pkt->getString(6), pkt->getSize() - 6);
+ std::istringstream istr(datastring, std::ios_base::binary);
+
+ MapSector *sector;
+ MapBlock *block;
+
+ v2s16 p2d(p.X, p.Z);
+ sector = m_env.getMap().emergeSector(p2d);
+
+ assert(sector->getPos() == p2d);
+
+ block = sector->getBlockNoCreateNoEx(p.Y);
+ if (block) {
+ /*
+ Update an existing block
+ */
+ block->deSerialize(istr, m_server_ser_ver, false);
+ block->deSerializeNetworkSpecific(istr);
+ }
+ else {
+ /*
+ Create a new block
+ */
+ block = new MapBlock(&m_env.getMap(), p, this);
+ block->deSerialize(istr, m_server_ser_ver, false);
+ block->deSerializeNetworkSpecific(istr);
+ sector->insertBlock(block);
+ }
+
+ if (m_localdb) {
+ ServerMap::saveBlock(block, m_localdb);
+ }
+
+ /*
+ Add it to mesh update queue and set it to be acknowledged after update.
+ */
+ addUpdateMeshTaskWithEdge(p, true);
+}
+
+void Client::handleCommand_Inventory(NetworkPacket* pkt)
+{
+ if (pkt->getSize() < 1)
+ return;
+
+ std::string datastring(pkt->getString(0), pkt->getSize());
+ std::istringstream is(datastring, std::ios_base::binary);
+
+ Player *player = m_env.getLocalPlayer();
+ assert(player != NULL);
+
+ player->inventory.deSerialize(is);
+
+ m_inventory_updated = true;
+
+ delete m_inventory_from_server;
+ m_inventory_from_server = new Inventory(player->inventory);
+ m_inventory_from_server_age = 0.0;
+}
+
+void Client::handleCommand_TimeOfDay(NetworkPacket* pkt)
+{
+ if (pkt->getSize() < 2)
+ return;
+
+ u16 time_of_day;
+
+ *pkt >> time_of_day;
+
+ time_of_day = time_of_day % 24000;
+ float time_speed = 0;
+
+ if (pkt->getSize() >= 2 + 4) {
+ *pkt >> time_speed;
+ }
+ else {
+ // Old message; try to approximate speed of time by ourselves
+ float time_of_day_f = (float)time_of_day / 24000.0;
+ float tod_diff_f = 0;
+
+ if (time_of_day_f < 0.2 && m_last_time_of_day_f > 0.8)
+ tod_diff_f = time_of_day_f - m_last_time_of_day_f + 1.0;
+ else
+ tod_diff_f = time_of_day_f - m_last_time_of_day_f;
+
+ m_last_time_of_day_f = time_of_day_f;
+ float time_diff = m_time_of_day_update_timer;
+ m_time_of_day_update_timer = 0;
+
+ if (m_time_of_day_set) {
+ time_speed = (3600.0 * 24.0) * tod_diff_f / time_diff;
+ infostream << "Client: Measured time_of_day speed (old format): "
+ << time_speed << " tod_diff_f=" << tod_diff_f
+ << " time_diff=" << time_diff << std::endl;
+ }
+ }
+
+ // Update environment
+ m_env.setTimeOfDay(time_of_day);
+ m_env.setTimeOfDaySpeed(time_speed);
+ m_time_of_day_set = true;
+
+ u32 dr = m_env.getDayNightRatio();
+ infostream << "Client: time_of_day=" << time_of_day
+ << " time_speed=" << time_speed
+ << " dr=" << dr << std::endl;
+}
+
+void Client::handleCommand_ChatMessage(NetworkPacket* pkt)
+{
+ /*
+ u16 command
+ u16 length
+ wstring message
+ */
+ u16 len, read_wchar;
+
+ *pkt >> len;
+
+ std::wstring message;
+ for (u32 i = 0; i < len; i++) {
+ *pkt >> read_wchar;
+ message += (wchar_t)read_wchar;
+ }
+
+ m_chat_queue.push(message);
+}
+
+void Client::handleCommand_ActiveObjectRemoveAdd(NetworkPacket* pkt)
+{
+ /*
+ u16 command
+ u16 count of removed objects
+ for all removed objects {
+ u16 id
+ }
+ u16 count of added objects
+ for all added objects {
+ u16 id
+ u8 type
+ u32 initialization data length
+ string initialization data
+ }
+ */
+
+ // Read removed objects
+ u8 type;
+ u16 removed_count, added_count, id;
+
+ *pkt >> removed_count;
+
+ for (u16 i = 0; i < removed_count; i++) {
+ *pkt >> id;
+ m_env.removeActiveObject(id);
+ }
+
+ // Read added objects
+ *pkt >> added_count;
+
+ for (u16 i = 0; i < added_count; i++) {
+ *pkt >> id >> type;
+ m_env.addActiveObject(id, type, pkt->readLongString());
+ }
+}
+
+void Client::handleCommand_ActiveObjectMessages(NetworkPacket* pkt)
+{
+ /*
+ u16 command
+ for all objects
+ {
+ u16 id
+ u16 message length
+ string message
+ }
+ */
+ char buf[6];
+ // Get all data except the command number
+ std::string datastring(pkt->getString(0), pkt->getSize());
+ // Throw them in an istringstream
+ std::istringstream is(datastring, std::ios_base::binary);
+
+ while(is.eof() == false) {
+ is.read(buf, 2);
+ u16 id = readU16((u8*)buf);
+ if (is.eof())
+ break;
+ is.read(buf, 2);
+ size_t message_size = readU16((u8*)buf);
+ std::string message;
+ message.reserve(message_size);
+ for (u32 i = 0; i < message_size; i++) {
+ is.read(buf, 1);
+ message.append(buf, 1);
+ }
+ // Pass on to the environment
+ m_env.processActiveObjectMessage(id, message);
+ }
+}
+
+void Client::handleCommand_Movement(NetworkPacket* pkt)
+{
+ Player *player = m_env.getLocalPlayer();
+ assert(player != NULL);
+
+ float mad, maa, maf, msw, mscr, msf, mscl, msj, lf, lfs, ls, g;
+
+ *pkt >> mad >> maa >> maf >> msw >> mscr >> msf >> mscl >> msj
+ >> lf >> lfs >> ls >> g;
+
+ player->movement_acceleration_default = mad * BS;
+ player->movement_acceleration_air = maa * BS;
+ player->movement_acceleration_fast = maf * BS;
+ player->movement_speed_walk = msw * BS;
+ player->movement_speed_crouch = mscr * BS;
+ player->movement_speed_fast = msf * BS;
+ player->movement_speed_climb = mscl * BS;
+ player->movement_speed_jump = msj * BS;
+ player->movement_liquid_fluidity = lf * BS;
+ player->movement_liquid_fluidity_smooth = lfs * BS;
+ player->movement_liquid_sink = ls * BS;
+ player->movement_gravity = g * BS;
+}
+
+void Client::handleCommand_HP(NetworkPacket* pkt)
+{
+
+ Player *player = m_env.getLocalPlayer();
+ assert(player != NULL);
+
+ u8 oldhp = player->hp;
+
+ u8 hp;
+ *pkt >> hp;
+
+ player->hp = hp;
+
+ if (hp < oldhp) {
+ // Add to ClientEvent queue
+ ClientEvent event;
+ event.type = CE_PLAYER_DAMAGE;
+ event.player_damage.amount = oldhp - hp;
+ m_client_event_queue.push(event);
+ }
+}
+
+void Client::handleCommand_Breath(NetworkPacket* pkt)
+{
+ Player *player = m_env.getLocalPlayer();
+ assert(player != NULL);
+
+ u16 breath;
+
+ *pkt >> breath;
+
+ player->setBreath(breath);
+}
+
+void Client::handleCommand_MovePlayer(NetworkPacket* pkt)
+{
+ Player *player = m_env.getLocalPlayer();
+ assert(player != NULL);
+
+ v3f pos;
+ f32 pitch, yaw;
+
+ *pkt >> pos >> pitch >> yaw;
+
+ player->setPosition(pos);
+
+ infostream << "Client got TOCLIENT_MOVE_PLAYER"
+ << " pos=(" << pos.X << "," << pos.Y << "," << pos.Z << ")"
+ << " pitch=" << pitch
+ << " yaw=" << yaw
+ << std::endl;
+
+ /*
+ Add to ClientEvent queue.
+ This has to be sent to the main program because otherwise
+ it would just force the pitch and yaw values to whatever
+ the camera points to.
+ */
+ ClientEvent event;
+ event.type = CE_PLAYER_FORCE_MOVE;
+ 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)
+{
+ infostream << "Client: WARNING: Ignoring TOCLIENT_PLAYERITEM" << std::endl;
+}
+
+void Client::handleCommand_DeathScreen(NetworkPacket* pkt)
+{
+ bool set_camera_point_target;
+ v3f camera_point_target;
+
+ *pkt >> set_camera_point_target;
+ *pkt >> camera_point_target;
+
+ ClientEvent event;
+ event.type = CE_DEATHSCREEN;
+ event.deathscreen.set_camera_point_target = set_camera_point_target;
+ event.deathscreen.camera_point_target_x = camera_point_target.X;
+ event.deathscreen.camera_point_target_y = camera_point_target.Y;
+ event.deathscreen.camera_point_target_z = camera_point_target.Z;
+ m_client_event_queue.push(event);
+}
+
+void Client::handleCommand_AnnounceMedia(NetworkPacket* pkt)
+{
+ u16 num_files;
+
+ *pkt >> num_files;
+
+ infostream << "Client: Received media announcement: packet size: "
+ << pkt->getSize() << std::endl;
+
+ if (m_media_downloader == NULL ||
+ m_media_downloader->isStarted()) {
+ const char *problem = m_media_downloader ?
+ "we already saw another announcement" :
+ "all media has been received already";
+ errorstream << "Client: Received media announcement but "
+ << problem << "! "
+ << " files=" << num_files
+ << " size=" << pkt->getSize() << std::endl;
+ return;
+ }
+
+ // Mesh update thread must be stopped while
+ // updating content definitions
+ sanity_check(!m_mesh_update_thread.IsRunning());
+
+ for (u16 i = 0; i < num_files; i++) {
+ std::string name, sha1_base64;
+
+ *pkt >> name >> sha1_base64;
+
+ std::string sha1_raw = base64_decode(sha1_base64);
+ m_media_downloader->addFile(name, sha1_raw);
+ }
+
+ std::vector<std::string> remote_media;
+ try {
+ std::string str;
+
+ *pkt >> str;
+
+ Strfnd sf(str);
+ while(!sf.atend()) {
+ std::string baseurl = trim(sf.next(","));
+ if (baseurl != "")
+ m_media_downloader->addRemoteServer(baseurl);
+ }
+ }
+ catch(SerializationError& e) {
+ // not supported by server or turned off
+ }
+
+ m_media_downloader->step(this);
+}
+
+void Client::handleCommand_Media(NetworkPacket* pkt)
+{
+ /*
+ u16 command
+ u16 total number of file bunches
+ u16 index of this bunch
+ u32 number of files in this bunch
+ for each file {
+ u16 length of name
+ string name
+ u32 length of data
+ data
+ }
+ */
+ u16 num_bunches;
+ u16 bunch_i;
+ u32 num_files;
+
+ *pkt >> num_bunches >> bunch_i >> num_files;
+
+ infostream << "Client: Received files: bunch " << bunch_i << "/"
+ << num_bunches << " files=" << num_files
+ << " size=" << pkt->getSize() << std::endl;
+
+ if (num_files == 0)
+ return;
+
+ if (m_media_downloader == NULL ||
+ !m_media_downloader->isStarted()) {
+ const char *problem = m_media_downloader ?
+ "media has not been requested" :
+ "all media has been received already";
+ errorstream << "Client: Received media but "
+ << problem << "! "
+ << " bunch " << bunch_i << "/" << num_bunches
+ << " files=" << num_files
+ << " size=" << pkt->getSize() << std::endl;
+ return;
+ }
+
+ // Mesh update thread must be stopped while
+ // updating content definitions
+ sanity_check(!m_mesh_update_thread.IsRunning());
+
+ for (u32 i=0; i < num_files; i++) {
+ std::string name;
+
+ *pkt >> name;
+
+ std::string data = pkt->readLongString();
+
+ m_media_downloader->conventionalTransferDone(
+ name, data, this);
+ }
+}
+
+void Client::handleCommand_ToolDef(NetworkPacket* pkt)
+{
+ infostream << "Client: WARNING: Ignoring TOCLIENT_TOOLDEF" << std::endl;
+}
+
+void Client::handleCommand_NodeDef(NetworkPacket* pkt)
+{
+ infostream << "Client: Received node definitions: packet size: "
+ << pkt->getSize() << std::endl;
+
+ // Mesh update thread must be stopped while
+ // updating content definitions
+ sanity_check(!m_mesh_update_thread.IsRunning());
+
+ // Decompress node definitions
+ std::string datastring(pkt->getString(0), pkt->getSize());
+ std::istringstream is(datastring, std::ios_base::binary);
+ std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
+ std::ostringstream tmp_os;
+ decompressZlib(tmp_is, tmp_os);
+
+ // Deserialize node definitions
+ std::istringstream tmp_is2(tmp_os.str());
+ m_nodedef->deSerialize(tmp_is2);
+ m_nodedef_received = true;
+}
+
+void Client::handleCommand_CraftItemDef(NetworkPacket* pkt)
+{
+ infostream << "Client: WARNING: Ignoring TOCLIENT_CRAFTITEMDEF" << std::endl;
+}
+
+void Client::handleCommand_ItemDef(NetworkPacket* pkt)
+{
+ infostream << "Client: Received item definitions: packet size: "
+ << pkt->getSize() << std::endl;
+
+ // Mesh update thread must be stopped while
+ // updating content definitions
+ sanity_check(!m_mesh_update_thread.IsRunning());
+
+ // Decompress item definitions
+ std::string datastring(pkt->getString(0), pkt->getSize());
+ std::istringstream is(datastring, std::ios_base::binary);
+ std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
+ std::ostringstream tmp_os;
+ decompressZlib(tmp_is, tmp_os);
+
+ // Deserialize node definitions
+ std::istringstream tmp_is2(tmp_os.str());
+ m_itemdef->deSerialize(tmp_is2);
+ m_itemdef_received = true;
+}
+
+void Client::handleCommand_PlaySound(NetworkPacket* pkt)
+{
+ s32 server_id;
+ std::string name;
+ float gain;
+ u8 type; // 0=local, 1=positional, 2=object
+ v3f pos;
+ u16 object_id;
+ bool loop;
+
+ *pkt >> server_id >> name >> gain >> type >> pos >> object_id >> loop;
+
+ // Start playing
+ int client_id = -1;
+ switch(type) {
+ case 0: // local
+ client_id = m_sound->playSound(name, loop, gain);
+ break;
+ case 1: // positional
+ client_id = m_sound->playSoundAt(name, loop, gain, pos);
+ break;
+ case 2:
+ { // object
+ ClientActiveObject *cao = m_env.getActiveObject(object_id);
+ if (cao)
+ pos = cao->getPosition();
+ client_id = m_sound->playSoundAt(name, loop, gain, pos);
+ // TODO: Set up sound to move with object
+ break;
+ }
+ default:
+ break;
+ }
+
+ if (client_id != -1) {
+ m_sounds_server_to_client[server_id] = client_id;
+ m_sounds_client_to_server[client_id] = server_id;
+ if (object_id != 0)
+ m_sounds_to_objects[client_id] = object_id;
+ }
+}
+
+void Client::handleCommand_StopSound(NetworkPacket* pkt)
+{
+ s32 server_id;
+
+ *pkt >> server_id;
+
+ std::map<s32, int>::iterator i =
+ m_sounds_server_to_client.find(server_id);
+
+ if (i != m_sounds_server_to_client.end()) {
+ int client_id = i->second;
+ m_sound->stopSound(client_id);
+ }
+}
+
+void Client::handleCommand_Privileges(NetworkPacket* pkt)
+{
+ m_privileges.clear();
+ infostream << "Client: Privileges updated: ";
+ u16 num_privileges;
+
+ *pkt >> num_privileges;
+
+ for (u16 i = 0; i < num_privileges; i++) {
+ std::string priv;
+
+ *pkt >> priv;
+
+ m_privileges.insert(priv);
+ infostream << priv << " ";
+ }
+ infostream << std::endl;
+}
+
+void Client::handleCommand_InventoryFormSpec(NetworkPacket* pkt)
+{
+ Player *player = m_env.getLocalPlayer();
+ assert(player != NULL);
+
+ // Store formspec in LocalPlayer
+ player->inventory_formspec = pkt->readLongString();
+}
+
+void Client::handleCommand_DetachedInventory(NetworkPacket* pkt)
+{
+ std::string datastring(pkt->getString(0), pkt->getSize());
+ std::istringstream is(datastring, std::ios_base::binary);
+
+ std::string name = deSerializeString(is);
+
+ infostream << "Client: Detached inventory update: \"" << name
+ << "\"" << std::endl;
+
+ Inventory *inv = NULL;
+ if (m_detached_inventories.count(name) > 0)
+ inv = m_detached_inventories[name];
+ else {
+ inv = new Inventory(m_itemdef);
+ m_detached_inventories[name] = inv;
+ }
+ inv->deSerialize(is);
+}
+
+void Client::handleCommand_ShowFormSpec(NetworkPacket* pkt)
+{
+ std::string formspec = pkt->readLongString();
+ std::string formname;
+
+ *pkt >> formname;
+
+ ClientEvent event;
+ event.type = CE_SHOW_FORMSPEC;
+ // pointer is required as event is a struct only!
+ // adding a std:string to a struct isn't possible
+ event.show_formspec.formspec = new std::string(formspec);
+ event.show_formspec.formname = new std::string(formname);
+ m_client_event_queue.push(event);
+}
+
+void Client::handleCommand_SpawnParticle(NetworkPacket* pkt)
+{
+ std::string datastring(pkt->getString(0), pkt->getSize());
+ std::istringstream is(datastring, std::ios_base::binary);
+
+ v3f pos = readV3F1000(is);
+ v3f vel = readV3F1000(is);
+ v3f acc = readV3F1000(is);
+ float expirationtime = readF1000(is);
+ float size = readF1000(is);
+ bool collisiondetection = readU8(is);
+ std::string texture = deSerializeLongString(is);
+ bool vertical = false;
+ try {
+ vertical = readU8(is);
+ } catch (...) {}
+
+ ClientEvent event;
+ event.type = CE_SPAWN_PARTICLE;
+ event.spawn_particle.pos = new v3f (pos);
+ event.spawn_particle.vel = new v3f (vel);
+ event.spawn_particle.acc = new v3f (acc);
+ event.spawn_particle.expirationtime = expirationtime;
+ event.spawn_particle.size = size;
+ event.spawn_particle.collisiondetection = collisiondetection;
+ event.spawn_particle.vertical = vertical;
+ event.spawn_particle.texture = new std::string(texture);
+
+ m_client_event_queue.push(event);
+}
+
+void Client::handleCommand_AddParticleSpawner(NetworkPacket* pkt)
+{
+ u16 amount;
+ float spawntime;
+ v3f minpos;
+ v3f maxpos;
+ v3f minvel;
+ v3f maxvel;
+ v3f minacc;
+ v3f maxacc;
+ float minexptime;
+ float maxexptime;
+ float minsize;
+ float maxsize;
+ bool collisiondetection;
+ u32 id;
+
+ *pkt >> amount >> spawntime >> minpos >> maxpos >> minvel >> maxvel
+ >> minacc >> maxacc >> minexptime >> maxexptime >> minsize
+ >> maxsize >> collisiondetection;
+
+ std::string texture = pkt->readLongString();
+
+ *pkt >> id;
+
+ bool vertical = false;
+ try {
+ *pkt >> vertical;
+ } catch (...) {}
+
+ ClientEvent event;
+ event.type = CE_ADD_PARTICLESPAWNER;
+ event.add_particlespawner.amount = amount;
+ event.add_particlespawner.spawntime = spawntime;
+ event.add_particlespawner.minpos = new v3f (minpos);
+ event.add_particlespawner.maxpos = new v3f (maxpos);
+ event.add_particlespawner.minvel = new v3f (minvel);
+ event.add_particlespawner.maxvel = new v3f (maxvel);
+ event.add_particlespawner.minacc = new v3f (minacc);
+ event.add_particlespawner.maxacc = new v3f (maxacc);
+ event.add_particlespawner.minexptime = minexptime;
+ event.add_particlespawner.maxexptime = maxexptime;
+ event.add_particlespawner.minsize = minsize;
+ event.add_particlespawner.maxsize = maxsize;
+ event.add_particlespawner.collisiondetection = collisiondetection;
+ event.add_particlespawner.vertical = vertical;
+ event.add_particlespawner.texture = new std::string(texture);
+ event.add_particlespawner.id = id;
+
+ m_client_event_queue.push(event);
+}
+
+
+void Client::handleCommand_DeleteParticleSpawner(NetworkPacket* pkt)
+{
+ u16 legacy_id;
+ u32 id;
+
+ // Modification set 13/03/15, 1 year of compat for protocol v24
+ if (pkt->getCommand() == TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY) {
+ *pkt >> legacy_id;
+ }
+ else {
+ *pkt >> id;
+ }
+
+
+ ClientEvent event;
+ event.type = CE_DELETE_PARTICLESPAWNER;
+ event.delete_particlespawner.id =
+ (pkt->getCommand() == TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY ? (u32) legacy_id : id);
+
+ m_client_event_queue.push(event);
+}
+
+void Client::handleCommand_HudAdd(NetworkPacket* pkt)
+{
+ std::string datastring(pkt->getString(0), pkt->getSize());
+ std::istringstream is(datastring, std::ios_base::binary);
+
+ u32 id;
+ u8 type;
+ v2f pos;
+ std::string name;
+ v2f scale;
+ std::string text;
+ u32 number;
+ u32 item;
+ u32 dir;
+ v2f align;
+ v2f offset;
+ v3f world_pos;
+ v2s32 size;
+
+ *pkt >> id >> type >> pos >> name >> scale >> text >> number >> item
+ >> dir >> align >> offset;
+ try {
+ *pkt >> world_pos;
+ }
+ catch(SerializationError &e) {};
+
+ try {
+ *pkt >> size;
+ } catch(SerializationError &e) {};
+
+ ClientEvent event;
+ event.type = CE_HUDADD;
+ event.hudadd.id = id;
+ event.hudadd.type = type;
+ event.hudadd.pos = new v2f(pos);
+ event.hudadd.name = new std::string(name);
+ event.hudadd.scale = new v2f(scale);
+ event.hudadd.text = new std::string(text);
+ event.hudadd.number = number;
+ event.hudadd.item = item;
+ event.hudadd.dir = dir;
+ event.hudadd.align = new v2f(align);
+ event.hudadd.offset = new v2f(offset);
+ event.hudadd.world_pos = new v3f(world_pos);
+ event.hudadd.size = new v2s32(size);
+ m_client_event_queue.push(event);
+}
+
+void Client::handleCommand_HudRemove(NetworkPacket* pkt)
+{
+ u32 id;
+
+ *pkt >> id;
+
+ ClientEvent event;
+ event.type = CE_HUDRM;
+ event.hudrm.id = id;
+ m_client_event_queue.push(event);
+}
+
+void Client::handleCommand_HudChange(NetworkPacket* pkt)
+{
+ std::string sdata;
+ v2f v2fdata;
+ v3f v3fdata;
+ u32 intdata = 0;
+ v2s32 v2s32data;
+ u32 id;
+ u8 stat;
+
+ *pkt >> id >> stat;
+
+ if (stat == HUD_STAT_POS || stat == HUD_STAT_SCALE ||
+ stat == HUD_STAT_ALIGN || stat == HUD_STAT_OFFSET)
+ *pkt >> v2fdata;
+ else if (stat == HUD_STAT_NAME || stat == HUD_STAT_TEXT)
+ *pkt >> sdata;
+ else if (stat == HUD_STAT_WORLD_POS)
+ *pkt >> v3fdata;
+ else if (stat == HUD_STAT_SIZE )
+ *pkt >> v2s32data;
+ else
+ *pkt >> intdata;
+
+ ClientEvent event;
+ event.type = CE_HUDCHANGE;
+ event.hudchange.id = id;
+ event.hudchange.stat = (HudElementStat)stat;
+ event.hudchange.v2fdata = new v2f(v2fdata);
+ event.hudchange.v3fdata = new v3f(v3fdata);
+ event.hudchange.sdata = new std::string(sdata);
+ event.hudchange.data = intdata;
+ event.hudchange.v2s32data = new v2s32(v2s32data);
+ m_client_event_queue.push(event);
+}
+
+void Client::handleCommand_HudSetFlags(NetworkPacket* pkt)
+{
+ u32 flags, mask;
+
+ *pkt >> flags >> mask;
+
+ Player *player = m_env.getLocalPlayer();
+ assert(player != NULL);
+
+ player->hud_flags &= ~mask;
+ player->hud_flags |= flags;
+}
+
+void Client::handleCommand_HudSetParam(NetworkPacket* pkt)
+{
+ u16 param; std::string value;
+
+ *pkt >> param >> value;
+
+ Player *player = m_env.getLocalPlayer();
+ assert(player != NULL);
+
+ if (param == HUD_PARAM_HOTBAR_ITEMCOUNT && value.size() == 4) {
+ s32 hotbar_itemcount = readS32((u8*) value.c_str());
+ if (hotbar_itemcount > 0 && hotbar_itemcount <= HUD_HOTBAR_ITEMCOUNT_MAX)
+ player->hud_hotbar_itemcount = hotbar_itemcount;
+ }
+ else if (param == HUD_PARAM_HOTBAR_IMAGE) {
+ ((LocalPlayer *) player)->hotbar_image = value;
+ }
+ else if (param == HUD_PARAM_HOTBAR_SELECTED_IMAGE) {
+ ((LocalPlayer *) player)->hotbar_selected_image = value;
+ }
+}
+
+void Client::handleCommand_HudSetSky(NetworkPacket* pkt)
+{
+ std::string datastring(pkt->getString(0), pkt->getSize());
+ std::istringstream is(datastring, std::ios_base::binary);
+
+ video::SColor *bgcolor = new video::SColor(readARGB8(is));
+ std::string *type = new std::string(deSerializeString(is));
+ u16 count = readU16(is);
+ std::vector<std::string> *params = new std::vector<std::string>;
+
+ for (size_t i = 0; i < count; i++)
+ params->push_back(deSerializeString(is));
+
+ ClientEvent event;
+ event.type = CE_SET_SKY;
+ event.set_sky.bgcolor = bgcolor;
+ event.set_sky.type = type;
+ event.set_sky.params = params;
+ m_client_event_queue.push(event);
+}
+
+void Client::handleCommand_OverrideDayNightRatio(NetworkPacket* pkt)
+{
+ bool do_override;
+ u16 day_night_ratio_u;
+
+ *pkt >> do_override >> day_night_ratio_u;
+
+ float day_night_ratio_f = (float)day_night_ratio_u / 65536;
+
+ ClientEvent event;
+ event.type = CE_OVERRIDE_DAY_NIGHT_RATIO;
+ event.override_day_night_ratio.do_override = do_override;
+ event.override_day_night_ratio.ratio_f = day_night_ratio_f;
+ m_client_event_queue.push(event);
+}
+
+void Client::handleCommand_LocalPlayerAnimations(NetworkPacket* pkt)
+{
+ LocalPlayer *player = m_env.getLocalPlayer();
+ assert(player != NULL);
+
+ *pkt >> player->local_animations[0];
+ *pkt >> player->local_animations[1];
+ *pkt >> player->local_animations[2];
+ *pkt >> player->local_animations[3];
+ *pkt >> player->local_animation_speed;
+}
+
+void Client::handleCommand_EyeOffset(NetworkPacket* pkt)
+{
+ LocalPlayer *player = m_env.getLocalPlayer();
+ assert(player != NULL);
+
+ *pkt >> player->eye_offset_first >> player->eye_offset_third;
+}
+++ /dev/null
-/*
-Minetest
-Copyright (C) 2015 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 2.1 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public License along
-with this program; if not, write to the Free Software Foundation, Inc.,
-51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
-
-#include "client.h"
-
-#include "util/base64.h"
-#include "clientmedia.h"
-#include "log.h"
-#include "map.h"
-#include "mapsector.h"
-#include "nodedef.h"
-#include "serialization.h"
-#include "server.h"
-#include "strfnd.h"
-#include "network/clientopcodes.h"
-#include "util/serialize.h"
-
-void Client::handleCommand_Deprecated(NetworkPacket* pkt)
-{
- infostream << "Got deprecated command "
- << toClientCommandTable[pkt->getCommand()].name << " from peer "
- << pkt->getPeerId() << "!" << std::endl;
-}
-
-void Client::handleCommand_Hello(NetworkPacket* pkt)
-{
- if (pkt->getSize() < 1)
- return;
-
- u8 deployed;
- *pkt >> deployed;
-
- infostream << "Client: TOCLIENT_HELLO received with "
- "deployed=" << ((int)deployed & 0xff) << std::endl;
-
- if (!ser_ver_supported(deployed)) {
- infostream << "Client: TOCLIENT_HELLO: Server sent "
- << "unsupported ser_fmt_ver"<< std::endl;
- return;
- }
-
- m_server_ser_ver = deployed;
-
- // @ TODO auth to server
-}
-
-void Client::handleCommand_AuthAccept(NetworkPacket* pkt)
-{
- v3f playerpos;
- *pkt >> playerpos >> m_map_seed >> m_recommended_send_interval;
-
- playerpos -= v3f(0, BS / 2, 0);
-
- // Set player position
- Player *player = m_env.getLocalPlayer();
- assert(player != NULL);
- player->setPosition(playerpos);
-
- infostream << "Client: received map seed: " << m_map_seed << std::endl;
- infostream << "Client: received recommended send interval "
- << m_recommended_send_interval<<std::endl;
-
- // Reply to server
- NetworkPacket resp_pkt(TOSERVER_INIT2, 0);
- Send(&resp_pkt);
-
- m_state = LC_Init;
-}
-
-void Client::handleCommand_InitLegacy(NetworkPacket* pkt)
-{
- if (pkt->getSize() < 1)
- return;
-
- u8 deployed;
- *pkt >> deployed;
-
- infostream << "Client: TOCLIENT_INIT_LEGACY received with "
- "deployed=" << ((int)deployed & 0xff) << std::endl;
-
- if (!ser_ver_supported(deployed)) {
- infostream << "Client: TOCLIENT_INIT_LEGACY: Server sent "
- << "unsupported ser_fmt_ver"<< std::endl;
- return;
- }
-
- m_server_ser_ver = deployed;
-
- // Get player position
- v3s16 playerpos_s16(0, BS * 2 + BS * 20, 0);
- if (pkt->getSize() >= 1 + 6) {
- *pkt >> playerpos_s16;
- }
- v3f playerpos_f = intToFloat(playerpos_s16, BS) - v3f(0, BS / 2, 0);
-
-
- // Set player position
- Player *player = m_env.getLocalPlayer();
- assert(player != NULL);
- player->setPosition(playerpos_f);
-
- if (pkt->getSize() >= 1 + 6 + 8) {
- // Get map seed
- *pkt >> m_map_seed;
- infostream << "Client: received map seed: " << m_map_seed << std::endl;
- }
-
- if (pkt->getSize() >= 1 + 6 + 8 + 4) {
- *pkt >> m_recommended_send_interval;
- infostream << "Client: received recommended send interval "
- << m_recommended_send_interval<<std::endl;
- }
-
- // Reply to server
- NetworkPacket resp_pkt(TOSERVER_INIT2, 0);
- Send(&resp_pkt);
-
- m_state = LC_Init;
-}
-
-void Client::handleCommand_AccessDenied(NetworkPacket* pkt)
-{
- // The server didn't like our password. Note, this needs
- // to be processed even if the serialisation format has
- // not been agreed yet, the same as TOCLIENT_INIT.
- m_access_denied = true;
- m_access_denied_reason = L"Unknown";
-
- if (pkt->getCommand() == TOCLIENT_ACCESS_DENIED) {
- if (pkt->getSize() < 1)
- return;
-
- u8 denyCode = SERVER_ACCESSDENIED_UNEXPECTED_DATA;
- *pkt >> denyCode;
- if (denyCode == SERVER_ACCESSDENIED_CUSTOM_STRING) {
- *pkt >> m_access_denied_reason;
- }
- else if (denyCode < SERVER_ACCESSDENIED_MAX) {
- m_access_denied_reason = accessDeniedStrings[denyCode];
- }
- }
- // 13/03/15 Legacy code from 0.4.12 and lesser. must stay 1 year
- // for compat with old clients
- else {
- if (pkt->getSize() >= 2) {
- *pkt >> m_access_denied_reason;
- }
- }
-}
-
-void Client::handleCommand_RemoveNode(NetworkPacket* pkt)
-{
- if (pkt->getSize() < 6)
- return;
-
- v3s16 p;
- *pkt >> p;
- removeNode(p);
-}
-
-void Client::handleCommand_AddNode(NetworkPacket* pkt)
-{
- if (pkt->getSize() < 6 + MapNode::serializedLength(m_server_ser_ver))
- return;
-
- v3s16 p;
- *pkt >> p;
-
- MapNode n;
- n.deSerialize(pkt->getU8Ptr(6), m_server_ser_ver);
-
- bool remove_metadata = true;
- u32 index = 6 + MapNode::serializedLength(m_server_ser_ver);
- if ((pkt->getSize() >= index + 1) && pkt->getU8(index)) {
- remove_metadata = false;
- }
-
- addNode(p, n, remove_metadata);
-}
-void Client::handleCommand_BlockData(NetworkPacket* pkt)
-{
- // Ignore too small packet
- if (pkt->getSize() < 6)
- return;
-
- v3s16 p;
- *pkt >> p;
-
- std::string datastring(pkt->getString(6), pkt->getSize() - 6);
- std::istringstream istr(datastring, std::ios_base::binary);
-
- MapSector *sector;
- MapBlock *block;
-
- v2s16 p2d(p.X, p.Z);
- sector = m_env.getMap().emergeSector(p2d);
-
- assert(sector->getPos() == p2d);
-
- block = sector->getBlockNoCreateNoEx(p.Y);
- if (block) {
- /*
- Update an existing block
- */
- block->deSerialize(istr, m_server_ser_ver, false);
- block->deSerializeNetworkSpecific(istr);
- }
- else {
- /*
- Create a new block
- */
- block = new MapBlock(&m_env.getMap(), p, this);
- block->deSerialize(istr, m_server_ser_ver, false);
- block->deSerializeNetworkSpecific(istr);
- sector->insertBlock(block);
- }
-
- if (m_localdb) {
- ServerMap::saveBlock(block, m_localdb);
- }
-
- /*
- Add it to mesh update queue and set it to be acknowledged after update.
- */
- addUpdateMeshTaskWithEdge(p, true);
-}
-
-void Client::handleCommand_Inventory(NetworkPacket* pkt)
-{
- if (pkt->getSize() < 1)
- return;
-
- std::string datastring(pkt->getString(0), pkt->getSize());
- std::istringstream is(datastring, std::ios_base::binary);
-
- Player *player = m_env.getLocalPlayer();
- assert(player != NULL);
-
- player->inventory.deSerialize(is);
-
- m_inventory_updated = true;
-
- delete m_inventory_from_server;
- m_inventory_from_server = new Inventory(player->inventory);
- m_inventory_from_server_age = 0.0;
-}
-
-void Client::handleCommand_TimeOfDay(NetworkPacket* pkt)
-{
- if (pkt->getSize() < 2)
- return;
-
- u16 time_of_day;
-
- *pkt >> time_of_day;
-
- time_of_day = time_of_day % 24000;
- float time_speed = 0;
-
- if (pkt->getSize() >= 2 + 4) {
- *pkt >> time_speed;
- }
- else {
- // Old message; try to approximate speed of time by ourselves
- float time_of_day_f = (float)time_of_day / 24000.0;
- float tod_diff_f = 0;
-
- if (time_of_day_f < 0.2 && m_last_time_of_day_f > 0.8)
- tod_diff_f = time_of_day_f - m_last_time_of_day_f + 1.0;
- else
- tod_diff_f = time_of_day_f - m_last_time_of_day_f;
-
- m_last_time_of_day_f = time_of_day_f;
- float time_diff = m_time_of_day_update_timer;
- m_time_of_day_update_timer = 0;
-
- if (m_time_of_day_set) {
- time_speed = (3600.0 * 24.0) * tod_diff_f / time_diff;
- infostream << "Client: Measured time_of_day speed (old format): "
- << time_speed << " tod_diff_f=" << tod_diff_f
- << " time_diff=" << time_diff << std::endl;
- }
- }
-
- // Update environment
- m_env.setTimeOfDay(time_of_day);
- m_env.setTimeOfDaySpeed(time_speed);
- m_time_of_day_set = true;
-
- u32 dr = m_env.getDayNightRatio();
- infostream << "Client: time_of_day=" << time_of_day
- << " time_speed=" << time_speed
- << " dr=" << dr << std::endl;
-}
-
-void Client::handleCommand_ChatMessage(NetworkPacket* pkt)
-{
- /*
- u16 command
- u16 length
- wstring message
- */
- u16 len, read_wchar;
-
- *pkt >> len;
-
- std::wstring message;
- for (u32 i = 0; i < len; i++) {
- *pkt >> read_wchar;
- message += (wchar_t)read_wchar;
- }
-
- m_chat_queue.push(message);
-}
-
-void Client::handleCommand_ActiveObjectRemoveAdd(NetworkPacket* pkt)
-{
- /*
- u16 command
- u16 count of removed objects
- for all removed objects {
- u16 id
- }
- u16 count of added objects
- for all added objects {
- u16 id
- u8 type
- u32 initialization data length
- string initialization data
- }
- */
-
- // Read removed objects
- u8 type;
- u16 removed_count, added_count, id;
-
- *pkt >> removed_count;
-
- for (u16 i = 0; i < removed_count; i++) {
- *pkt >> id;
- m_env.removeActiveObject(id);
- }
-
- // Read added objects
- *pkt >> added_count;
-
- for (u16 i = 0; i < added_count; i++) {
- *pkt >> id >> type;
- m_env.addActiveObject(id, type, pkt->readLongString());
- }
-}
-
-void Client::handleCommand_ActiveObjectMessages(NetworkPacket* pkt)
-{
- /*
- u16 command
- for all objects
- {
- u16 id
- u16 message length
- string message
- }
- */
- char buf[6];
- // Get all data except the command number
- std::string datastring(pkt->getString(0), pkt->getSize());
- // Throw them in an istringstream
- std::istringstream is(datastring, std::ios_base::binary);
-
- while(is.eof() == false) {
- is.read(buf, 2);
- u16 id = readU16((u8*)buf);
- if (is.eof())
- break;
- is.read(buf, 2);
- size_t message_size = readU16((u8*)buf);
- std::string message;
- message.reserve(message_size);
- for (u32 i = 0; i < message_size; i++) {
- is.read(buf, 1);
- message.append(buf, 1);
- }
- // Pass on to the environment
- m_env.processActiveObjectMessage(id, message);
- }
-}
-
-void Client::handleCommand_Movement(NetworkPacket* pkt)
-{
- Player *player = m_env.getLocalPlayer();
- assert(player != NULL);
-
- float mad, maa, maf, msw, mscr, msf, mscl, msj, lf, lfs, ls, g;
-
- *pkt >> mad >> maa >> maf >> msw >> mscr >> msf >> mscl >> msj
- >> lf >> lfs >> ls >> g;
-
- player->movement_acceleration_default = mad * BS;
- player->movement_acceleration_air = maa * BS;
- player->movement_acceleration_fast = maf * BS;
- player->movement_speed_walk = msw * BS;
- player->movement_speed_crouch = mscr * BS;
- player->movement_speed_fast = msf * BS;
- player->movement_speed_climb = mscl * BS;
- player->movement_speed_jump = msj * BS;
- player->movement_liquid_fluidity = lf * BS;
- player->movement_liquid_fluidity_smooth = lfs * BS;
- player->movement_liquid_sink = ls * BS;
- player->movement_gravity = g * BS;
-}
-
-void Client::handleCommand_HP(NetworkPacket* pkt)
-{
-
- Player *player = m_env.getLocalPlayer();
- assert(player != NULL);
-
- u8 oldhp = player->hp;
-
- u8 hp;
- *pkt >> hp;
-
- player->hp = hp;
-
- if (hp < oldhp) {
- // Add to ClientEvent queue
- ClientEvent event;
- event.type = CE_PLAYER_DAMAGE;
- event.player_damage.amount = oldhp - hp;
- m_client_event_queue.push(event);
- }
-}
-
-void Client::handleCommand_Breath(NetworkPacket* pkt)
-{
- Player *player = m_env.getLocalPlayer();
- assert(player != NULL);
-
- u16 breath;
-
- *pkt >> breath;
-
- player->setBreath(breath);
-}
-
-void Client::handleCommand_MovePlayer(NetworkPacket* pkt)
-{
- Player *player = m_env.getLocalPlayer();
- assert(player != NULL);
-
- v3f pos;
- f32 pitch, yaw;
-
- *pkt >> pos >> pitch >> yaw;
-
- player->setPosition(pos);
-
- infostream << "Client got TOCLIENT_MOVE_PLAYER"
- << " pos=(" << pos.X << "," << pos.Y << "," << pos.Z << ")"
- << " pitch=" << pitch
- << " yaw=" << yaw
- << std::endl;
-
- /*
- Add to ClientEvent queue.
- This has to be sent to the main program because otherwise
- it would just force the pitch and yaw values to whatever
- the camera points to.
- */
- ClientEvent event;
- event.type = CE_PLAYER_FORCE_MOVE;
- 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)
-{
- infostream << "Client: WARNING: Ignoring TOCLIENT_PLAYERITEM" << std::endl;
-}
-
-void Client::handleCommand_DeathScreen(NetworkPacket* pkt)
-{
- bool set_camera_point_target;
- v3f camera_point_target;
-
- *pkt >> set_camera_point_target;
- *pkt >> camera_point_target;
-
- ClientEvent event;
- event.type = CE_DEATHSCREEN;
- event.deathscreen.set_camera_point_target = set_camera_point_target;
- event.deathscreen.camera_point_target_x = camera_point_target.X;
- event.deathscreen.camera_point_target_y = camera_point_target.Y;
- event.deathscreen.camera_point_target_z = camera_point_target.Z;
- m_client_event_queue.push(event);
-}
-
-void Client::handleCommand_AnnounceMedia(NetworkPacket* pkt)
-{
- u16 num_files;
-
- *pkt >> num_files;
-
- infostream << "Client: Received media announcement: packet size: "
- << pkt->getSize() << std::endl;
-
- if (m_media_downloader == NULL ||
- m_media_downloader->isStarted()) {
- const char *problem = m_media_downloader ?
- "we already saw another announcement" :
- "all media has been received already";
- errorstream << "Client: Received media announcement but "
- << problem << "! "
- << " files=" << num_files
- << " size=" << pkt->getSize() << std::endl;
- return;
- }
-
- // Mesh update thread must be stopped while
- // updating content definitions
- sanity_check(!m_mesh_update_thread.IsRunning());
-
- for (u16 i = 0; i < num_files; i++) {
- std::string name, sha1_base64;
-
- *pkt >> name >> sha1_base64;
-
- std::string sha1_raw = base64_decode(sha1_base64);
- m_media_downloader->addFile(name, sha1_raw);
- }
-
- std::vector<std::string> remote_media;
- try {
- std::string str;
-
- *pkt >> str;
-
- Strfnd sf(str);
- while(!sf.atend()) {
- std::string baseurl = trim(sf.next(","));
- if (baseurl != "")
- m_media_downloader->addRemoteServer(baseurl);
- }
- }
- catch(SerializationError& e) {
- // not supported by server or turned off
- }
-
- m_media_downloader->step(this);
-}
-
-void Client::handleCommand_Media(NetworkPacket* pkt)
-{
- /*
- u16 command
- u16 total number of file bunches
- u16 index of this bunch
- u32 number of files in this bunch
- for each file {
- u16 length of name
- string name
- u32 length of data
- data
- }
- */
- u16 num_bunches;
- u16 bunch_i;
- u32 num_files;
-
- *pkt >> num_bunches >> bunch_i >> num_files;
-
- infostream << "Client: Received files: bunch " << bunch_i << "/"
- << num_bunches << " files=" << num_files
- << " size=" << pkt->getSize() << std::endl;
-
- if (num_files == 0)
- return;
-
- if (m_media_downloader == NULL ||
- !m_media_downloader->isStarted()) {
- const char *problem = m_media_downloader ?
- "media has not been requested" :
- "all media has been received already";
- errorstream << "Client: Received media but "
- << problem << "! "
- << " bunch " << bunch_i << "/" << num_bunches
- << " files=" << num_files
- << " size=" << pkt->getSize() << std::endl;
- return;
- }
-
- // Mesh update thread must be stopped while
- // updating content definitions
- sanity_check(!m_mesh_update_thread.IsRunning());
-
- for (u32 i=0; i < num_files; i++) {
- std::string name;
-
- *pkt >> name;
-
- std::string data = pkt->readLongString();
-
- m_media_downloader->conventionalTransferDone(
- name, data, this);
- }
-}
-
-void Client::handleCommand_ToolDef(NetworkPacket* pkt)
-{
- infostream << "Client: WARNING: Ignoring TOCLIENT_TOOLDEF" << std::endl;
-}
-
-void Client::handleCommand_NodeDef(NetworkPacket* pkt)
-{
- infostream << "Client: Received node definitions: packet size: "
- << pkt->getSize() << std::endl;
-
- // Mesh update thread must be stopped while
- // updating content definitions
- sanity_check(!m_mesh_update_thread.IsRunning());
-
- // Decompress node definitions
- std::string datastring(pkt->getString(0), pkt->getSize());
- std::istringstream is(datastring, std::ios_base::binary);
- std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
- std::ostringstream tmp_os;
- decompressZlib(tmp_is, tmp_os);
-
- // Deserialize node definitions
- std::istringstream tmp_is2(tmp_os.str());
- m_nodedef->deSerialize(tmp_is2);
- m_nodedef_received = true;
-}
-
-void Client::handleCommand_CraftItemDef(NetworkPacket* pkt)
-{
- infostream << "Client: WARNING: Ignoring TOCLIENT_CRAFTITEMDEF" << std::endl;
-}
-
-void Client::handleCommand_ItemDef(NetworkPacket* pkt)
-{
- infostream << "Client: Received item definitions: packet size: "
- << pkt->getSize() << std::endl;
-
- // Mesh update thread must be stopped while
- // updating content definitions
- sanity_check(!m_mesh_update_thread.IsRunning());
-
- // Decompress item definitions
- std::string datastring(pkt->getString(0), pkt->getSize());
- std::istringstream is(datastring, std::ios_base::binary);
- std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
- std::ostringstream tmp_os;
- decompressZlib(tmp_is, tmp_os);
-
- // Deserialize node definitions
- std::istringstream tmp_is2(tmp_os.str());
- m_itemdef->deSerialize(tmp_is2);
- m_itemdef_received = true;
-}
-
-void Client::handleCommand_PlaySound(NetworkPacket* pkt)
-{
- s32 server_id;
- std::string name;
- float gain;
- u8 type; // 0=local, 1=positional, 2=object
- v3f pos;
- u16 object_id;
- bool loop;
-
- *pkt >> server_id >> name >> gain >> type >> pos >> object_id >> loop;
-
- // Start playing
- int client_id = -1;
- switch(type) {
- case 0: // local
- client_id = m_sound->playSound(name, loop, gain);
- break;
- case 1: // positional
- client_id = m_sound->playSoundAt(name, loop, gain, pos);
- break;
- case 2:
- { // object
- ClientActiveObject *cao = m_env.getActiveObject(object_id);
- if (cao)
- pos = cao->getPosition();
- client_id = m_sound->playSoundAt(name, loop, gain, pos);
- // TODO: Set up sound to move with object
- break;
- }
- default:
- break;
- }
-
- if (client_id != -1) {
- m_sounds_server_to_client[server_id] = client_id;
- m_sounds_client_to_server[client_id] = server_id;
- if (object_id != 0)
- m_sounds_to_objects[client_id] = object_id;
- }
-}
-
-void Client::handleCommand_StopSound(NetworkPacket* pkt)
-{
- s32 server_id;
-
- *pkt >> server_id;
-
- std::map<s32, int>::iterator i =
- m_sounds_server_to_client.find(server_id);
-
- if (i != m_sounds_server_to_client.end()) {
- int client_id = i->second;
- m_sound->stopSound(client_id);
- }
-}
-
-void Client::handleCommand_Privileges(NetworkPacket* pkt)
-{
- m_privileges.clear();
- infostream << "Client: Privileges updated: ";
- u16 num_privileges;
-
- *pkt >> num_privileges;
-
- for (u16 i = 0; i < num_privileges; i++) {
- std::string priv;
-
- *pkt >> priv;
-
- m_privileges.insert(priv);
- infostream << priv << " ";
- }
- infostream << std::endl;
-}
-
-void Client::handleCommand_InventoryFormSpec(NetworkPacket* pkt)
-{
- Player *player = m_env.getLocalPlayer();
- assert(player != NULL);
-
- // Store formspec in LocalPlayer
- player->inventory_formspec = pkt->readLongString();
-}
-
-void Client::handleCommand_DetachedInventory(NetworkPacket* pkt)
-{
- std::string datastring(pkt->getString(0), pkt->getSize());
- std::istringstream is(datastring, std::ios_base::binary);
-
- std::string name = deSerializeString(is);
-
- infostream << "Client: Detached inventory update: \"" << name
- << "\"" << std::endl;
-
- Inventory *inv = NULL;
- if (m_detached_inventories.count(name) > 0)
- inv = m_detached_inventories[name];
- else {
- inv = new Inventory(m_itemdef);
- m_detached_inventories[name] = inv;
- }
- inv->deSerialize(is);
-}
-
-void Client::handleCommand_ShowFormSpec(NetworkPacket* pkt)
-{
- std::string formspec = pkt->readLongString();
- std::string formname;
-
- *pkt >> formname;
-
- ClientEvent event;
- event.type = CE_SHOW_FORMSPEC;
- // pointer is required as event is a struct only!
- // adding a std:string to a struct isn't possible
- event.show_formspec.formspec = new std::string(formspec);
- event.show_formspec.formname = new std::string(formname);
- m_client_event_queue.push(event);
-}
-
-void Client::handleCommand_SpawnParticle(NetworkPacket* pkt)
-{
- std::string datastring(pkt->getString(0), pkt->getSize());
- std::istringstream is(datastring, std::ios_base::binary);
-
- v3f pos = readV3F1000(is);
- v3f vel = readV3F1000(is);
- v3f acc = readV3F1000(is);
- float expirationtime = readF1000(is);
- float size = readF1000(is);
- bool collisiondetection = readU8(is);
- std::string texture = deSerializeLongString(is);
- bool vertical = false;
- try {
- vertical = readU8(is);
- } catch (...) {}
-
- ClientEvent event;
- event.type = CE_SPAWN_PARTICLE;
- event.spawn_particle.pos = new v3f (pos);
- event.spawn_particle.vel = new v3f (vel);
- event.spawn_particle.acc = new v3f (acc);
- event.spawn_particle.expirationtime = expirationtime;
- event.spawn_particle.size = size;
- event.spawn_particle.collisiondetection = collisiondetection;
- event.spawn_particle.vertical = vertical;
- event.spawn_particle.texture = new std::string(texture);
-
- m_client_event_queue.push(event);
-}
-
-void Client::handleCommand_AddParticleSpawner(NetworkPacket* pkt)
-{
- u16 amount;
- float spawntime;
- v3f minpos;
- v3f maxpos;
- v3f minvel;
- v3f maxvel;
- v3f minacc;
- v3f maxacc;
- float minexptime;
- float maxexptime;
- float minsize;
- float maxsize;
- bool collisiondetection;
- u32 id;
-
- *pkt >> amount >> spawntime >> minpos >> maxpos >> minvel >> maxvel
- >> minacc >> maxacc >> minexptime >> maxexptime >> minsize
- >> maxsize >> collisiondetection;
-
- std::string texture = pkt->readLongString();
-
- *pkt >> id;
-
- bool vertical = false;
- try {
- *pkt >> vertical;
- } catch (...) {}
-
- ClientEvent event;
- event.type = CE_ADD_PARTICLESPAWNER;
- event.add_particlespawner.amount = amount;
- event.add_particlespawner.spawntime = spawntime;
- event.add_particlespawner.minpos = new v3f (minpos);
- event.add_particlespawner.maxpos = new v3f (maxpos);
- event.add_particlespawner.minvel = new v3f (minvel);
- event.add_particlespawner.maxvel = new v3f (maxvel);
- event.add_particlespawner.minacc = new v3f (minacc);
- event.add_particlespawner.maxacc = new v3f (maxacc);
- event.add_particlespawner.minexptime = minexptime;
- event.add_particlespawner.maxexptime = maxexptime;
- event.add_particlespawner.minsize = minsize;
- event.add_particlespawner.maxsize = maxsize;
- event.add_particlespawner.collisiondetection = collisiondetection;
- event.add_particlespawner.vertical = vertical;
- event.add_particlespawner.texture = new std::string(texture);
- event.add_particlespawner.id = id;
-
- m_client_event_queue.push(event);
-}
-
-
-void Client::handleCommand_DeleteParticleSpawner(NetworkPacket* pkt)
-{
- u16 legacy_id;
- u32 id;
-
- // Modification set 13/03/15, 1 year of compat for protocol v24
- if (pkt->getCommand() == TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY) {
- *pkt >> legacy_id;
- }
- else {
- *pkt >> id;
- }
-
-
- ClientEvent event;
- event.type = CE_DELETE_PARTICLESPAWNER;
- event.delete_particlespawner.id =
- (pkt->getCommand() == TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY ? (u32) legacy_id : id);
-
- m_client_event_queue.push(event);
-}
-
-void Client::handleCommand_HudAdd(NetworkPacket* pkt)
-{
- std::string datastring(pkt->getString(0), pkt->getSize());
- std::istringstream is(datastring, std::ios_base::binary);
-
- u32 id;
- u8 type;
- v2f pos;
- std::string name;
- v2f scale;
- std::string text;
- u32 number;
- u32 item;
- u32 dir;
- v2f align;
- v2f offset;
- v3f world_pos;
- v2s32 size;
-
- *pkt >> id >> type >> pos >> name >> scale >> text >> number >> item
- >> dir >> align >> offset;
- try {
- *pkt >> world_pos;
- }
- catch(SerializationError &e) {};
-
- try {
- *pkt >> size;
- } catch(SerializationError &e) {};
-
- ClientEvent event;
- event.type = CE_HUDADD;
- event.hudadd.id = id;
- event.hudadd.type = type;
- event.hudadd.pos = new v2f(pos);
- event.hudadd.name = new std::string(name);
- event.hudadd.scale = new v2f(scale);
- event.hudadd.text = new std::string(text);
- event.hudadd.number = number;
- event.hudadd.item = item;
- event.hudadd.dir = dir;
- event.hudadd.align = new v2f(align);
- event.hudadd.offset = new v2f(offset);
- event.hudadd.world_pos = new v3f(world_pos);
- event.hudadd.size = new v2s32(size);
- m_client_event_queue.push(event);
-}
-
-void Client::handleCommand_HudRemove(NetworkPacket* pkt)
-{
- u32 id;
-
- *pkt >> id;
-
- ClientEvent event;
- event.type = CE_HUDRM;
- event.hudrm.id = id;
- m_client_event_queue.push(event);
-}
-
-void Client::handleCommand_HudChange(NetworkPacket* pkt)
-{
- std::string sdata;
- v2f v2fdata;
- v3f v3fdata;
- u32 intdata = 0;
- v2s32 v2s32data;
- u32 id;
- u8 stat;
-
- *pkt >> id >> stat;
-
- if (stat == HUD_STAT_POS || stat == HUD_STAT_SCALE ||
- stat == HUD_STAT_ALIGN || stat == HUD_STAT_OFFSET)
- *pkt >> v2fdata;
- else if (stat == HUD_STAT_NAME || stat == HUD_STAT_TEXT)
- *pkt >> sdata;
- else if (stat == HUD_STAT_WORLD_POS)
- *pkt >> v3fdata;
- else if (stat == HUD_STAT_SIZE )
- *pkt >> v2s32data;
- else
- *pkt >> intdata;
-
- ClientEvent event;
- event.type = CE_HUDCHANGE;
- event.hudchange.id = id;
- event.hudchange.stat = (HudElementStat)stat;
- event.hudchange.v2fdata = new v2f(v2fdata);
- event.hudchange.v3fdata = new v3f(v3fdata);
- event.hudchange.sdata = new std::string(sdata);
- event.hudchange.data = intdata;
- event.hudchange.v2s32data = new v2s32(v2s32data);
- m_client_event_queue.push(event);
-}
-
-void Client::handleCommand_HudSetFlags(NetworkPacket* pkt)
-{
- u32 flags, mask;
-
- *pkt >> flags >> mask;
-
- Player *player = m_env.getLocalPlayer();
- assert(player != NULL);
-
- player->hud_flags &= ~mask;
- player->hud_flags |= flags;
-}
-
-void Client::handleCommand_HudSetParam(NetworkPacket* pkt)
-{
- u16 param; std::string value;
-
- *pkt >> param >> value;
-
- Player *player = m_env.getLocalPlayer();
- assert(player != NULL);
-
- if (param == HUD_PARAM_HOTBAR_ITEMCOUNT && value.size() == 4) {
- s32 hotbar_itemcount = readS32((u8*) value.c_str());
- if (hotbar_itemcount > 0 && hotbar_itemcount <= HUD_HOTBAR_ITEMCOUNT_MAX)
- player->hud_hotbar_itemcount = hotbar_itemcount;
- }
- else if (param == HUD_PARAM_HOTBAR_IMAGE) {
- ((LocalPlayer *) player)->hotbar_image = value;
- }
- else if (param == HUD_PARAM_HOTBAR_SELECTED_IMAGE) {
- ((LocalPlayer *) player)->hotbar_selected_image = value;
- }
-}
-
-void Client::handleCommand_HudSetSky(NetworkPacket* pkt)
-{
- std::string datastring(pkt->getString(0), pkt->getSize());
- std::istringstream is(datastring, std::ios_base::binary);
-
- video::SColor *bgcolor = new video::SColor(readARGB8(is));
- std::string *type = new std::string(deSerializeString(is));
- u16 count = readU16(is);
- std::vector<std::string> *params = new std::vector<std::string>;
-
- for (size_t i = 0; i < count; i++)
- params->push_back(deSerializeString(is));
-
- ClientEvent event;
- event.type = CE_SET_SKY;
- event.set_sky.bgcolor = bgcolor;
- event.set_sky.type = type;
- event.set_sky.params = params;
- m_client_event_queue.push(event);
-}
-
-void Client::handleCommand_OverrideDayNightRatio(NetworkPacket* pkt)
-{
- bool do_override;
- u16 day_night_ratio_u;
-
- *pkt >> do_override >> day_night_ratio_u;
-
- float day_night_ratio_f = (float)day_night_ratio_u / 65536;
-
- ClientEvent event;
- event.type = CE_OVERRIDE_DAY_NIGHT_RATIO;
- event.override_day_night_ratio.do_override = do_override;
- event.override_day_night_ratio.ratio_f = day_night_ratio_f;
- m_client_event_queue.push(event);
-}
-
-void Client::handleCommand_LocalPlayerAnimations(NetworkPacket* pkt)
-{
- LocalPlayer *player = m_env.getLocalPlayer();
- assert(player != NULL);
-
- *pkt >> player->local_animations[0];
- *pkt >> player->local_animations[1];
- *pkt >> player->local_animations[2];
- *pkt >> player->local_animations[3];
- *pkt >> player->local_animation_speed;
-}
-
-void Client::handleCommand_EyeOffset(NetworkPacket* pkt)
-{
- LocalPlayer *player = m_env.getLocalPlayer();
- assert(player != NULL);
-
- *pkt >> player->eye_offset_first >> player->eye_offset_third;
-}
+++ /dev/null
-/*
-Minetest
-Copyright (C) 2015 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 2.1 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public License along
-with this program; if not, write to the Free Software Foundation, Inc.,
-51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
-
-#include "server.h"
-#include "log.h"
-
-#include "content_abm.h"
-#include "content_sao.h"
-#include "emerge.h"
-#include "main.h"
-#include "nodedef.h"
-#include "player.h"
-#include "rollback_interface.h"
-#include "scripting_game.h"
-#include "settings.h"
-#include "tool.h"
-#include "version.h"
-#include "network/networkprotocol.h"
-#include "network/serveropcodes.h"
-#include "util/base64.h"
-#include "util/pointedthing.h"
-#include "util/serialize.h"
-
-void Server::handleCommand_Deprecated(NetworkPacket* pkt)
-{
- infostream << "Server: " << toServerCommandTable[pkt->getCommand()].name
- << " not supported anymore" << std::endl;
-}
-
-void Server::handleCommand_Init(NetworkPacket* pkt)
-{
-
- if(pkt->getSize() < 1)
- return;
-
- RemoteClient* client = getClient(pkt->getPeerId(), CS_Created);
-
- std::string addr_s;
- try {
- Address address = getPeerAddress(pkt->getPeerId());
- addr_s = address.serializeString();
- }
- 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(): Canceling: peer "
- << pkt->getPeerId() << " not found" << std::endl;
- return;
- }
-
- // If net_proto_version is set, this client has already been handled
- if (client->getState() > CS_Created) {
- verbosestream << "Server: Ignoring multiple TOSERVER_INITs from "
- << addr_s << " (peer_id=" << pkt->getPeerId() << ")" << std::endl;
- return;
- }
-
- verbosestream << "Server: Got TOSERVER_INIT from " << addr_s << " (peer_id="
- << pkt->getPeerId() << ")" << std::endl;
-
- // Do not allow multiple players in simple singleplayer mode.
- // This isn't a perfect way to do it, but will suffice for now
- if (m_simple_singleplayer_mode && m_clients.getClientIDs().size() > 1) {
- infostream << "Server: Not allowing another client (" << addr_s
- << ") to connect in simple singleplayer mode" << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_SINGLEPLAYER);
- return;
- }
-
- // First byte after command is maximum supported
- // serialization version
- u8 client_max;
- u8 compression_modes;
- u16 min_net_proto_version = 0;
- u16 max_net_proto_version;
-
- *pkt >> client_max >> compression_modes >> min_net_proto_version
- >> max_net_proto_version;
-
- u8 our_max = SER_FMT_VER_HIGHEST_READ;
- // Use the highest version supported by both
- int deployed = std::min(client_max, our_max);
- // If it's lower than the lowest supported, give up.
- if (deployed < SER_FMT_VER_LOWEST)
- deployed = SER_FMT_VER_INVALID;
-
- if (deployed == SER_FMT_VER_INVALID) {
- actionstream << "Server: A mismatched client tried to connect from "
- << addr_s << std::endl;
- infostream<<"Server: Cannot negotiate serialization version with "
- << addr_s << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_VERSION);
- return;
- }
-
- client->setPendingSerializationVersion(deployed);
-
- /*
- Read and check network protocol version
- */
-
- u16 net_proto_version = 0;
-
- // Figure out a working version if it is possible at all
- if (max_net_proto_version >= SERVER_PROTOCOL_VERSION_MIN ||
- min_net_proto_version <= SERVER_PROTOCOL_VERSION_MAX) {
- // If maximum is larger than our maximum, go with our maximum
- if (max_net_proto_version > SERVER_PROTOCOL_VERSION_MAX)
- net_proto_version = SERVER_PROTOCOL_VERSION_MAX;
- // Else go with client's maximum
- else
- net_proto_version = max_net_proto_version;
- }
-
- verbosestream << "Server: " << addr_s << ": Protocol version: min: "
- << min_net_proto_version << ", max: " << max_net_proto_version
- << ", chosen: " << net_proto_version << std::endl;
-
- client->net_proto_version = net_proto_version;
-
- // On this handler protocol version 25 is required
- if (net_proto_version < 25 ||
- net_proto_version < SERVER_PROTOCOL_VERSION_MIN ||
- net_proto_version > SERVER_PROTOCOL_VERSION_MAX) {
- actionstream << "Server: A mismatched client tried to connect from "
- << addr_s << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_VERSION);
- return;
- }
-
- if (g_settings->getBool("strict_protocol_version_checking")) {
- if (net_proto_version != LATEST_PROTOCOL_VERSION) {
- actionstream << "Server: A mismatched (strict) client tried to "
- << "connect from " << addr_s << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_VERSION);
- return;
- }
- }
-
- // @TODO: check if we support same modes, but not required now
-
- client->setSupportedCompressionModes(compression_modes);
-
- m_clients.event(pkt->getPeerId(), CSE_Init);
-}
-
-void Server::handleCommand_Auth(NetworkPacket* pkt)
-{
- std::string addr_s;
- try {
- Address address = getPeerAddress(pkt->getPeerId());
- addr_s = address.serializeString();
- }
- 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(): Canceling: peer "
- << pkt->getPeerId() << " not found" << std::endl;
- return;
- }
-
- std::string playerName, playerPassword;
-
- *pkt >> playerName >> playerPassword;
-
- const char* playername = playerName.c_str();
-
- if (playerName.size() > PLAYERNAME_SIZE) {
- actionstream << "Server: Player with an too long name "
- << "tried to connect from " << addr_s << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_NAME);
- return;
- }
-
- if (string_allowed(playerName, PLAYERNAME_ALLOWED_CHARS) == false) {
- actionstream << "Server: Player with an invalid name "
- << "tried to connect from " << addr_s << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_CHARS_IN_NAME);
- return;
- }
-
- if (!isSingleplayer() && strcasecmp(playername, "singleplayer") == 0) {
- actionstream << "Server: Player with the name \"singleplayer\" "
- << "tried to connect from " << addr_s << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_NAME);
- return;
- }
-
- {
- std::string reason;
- if(m_script->on_prejoinplayer(playername, addr_s, reason)) {
- actionstream << "Server: Player with the name \"" << playerName << "\" "
- << "tried to connect from " << addr_s << " "
- << "but it was disallowed for the following reason: "
- << reason << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_CUSTOM_STRING,
- narrow_to_wide(reason.c_str()));
- return;
- }
- }
-
- if (playerPassword.size() > PASSWORD_SIZE) {
- actionstream << "Server: Player with an too long password "
- << "tried to connect from " << addr_s << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_PASSWORD);
- return;
- }
-
- infostream << "Server: New connection: \"" << playerName << "\" from "
- << addr_s << " (peer_id=" << pkt->getPeerId() << ")" << std::endl;
-
- if(!base64_is_valid(playerPassword)){
- actionstream << "Server: " << playerName
- << " supplied invalid password hash" << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_PASSWORD);
- return;
- }
-
- // 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") &&
- !checkPriv(playername, "server") &&
- !checkPriv(playername, "ban") &&
- !checkPriv(playername, "privs") &&
- !checkPriv(playername, "password") &&
- playername != g_settings->get("name")) {
- actionstream << "Server: " << playername << " tried to join, but there"
- << " are already max_users="
- << g_settings->getU16("max_users") << " players." << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_TOO_MANY_USERS);
- return;
- }
-
- std::string checkpwd; // Password hash to check against
- bool has_auth = m_script->getAuth(playername, &checkpwd, NULL);
-
- // If no authentication info exists for user, create it
- if (!has_auth) {
- if (!isSingleplayer() &&
- g_settings->getBool("disallow_empty_password") &&
- playerPassword.empty()) {
- actionstream << "Server: " << playerName
- << " supplied empty password" << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_EMPTY_PASSWORD);
- return;
- }
- std::wstring raw_default_password =
- narrow_to_wide(g_settings->get("default_password"));
- std::string initial_password =
- translatePassword(playername, raw_default_password);
-
- // If default_password is empty, allow any initial password
- if (raw_default_password.length() == 0)
- initial_password = playerPassword.c_str();
-
- m_script->createAuth(playername, initial_password);
- }
-
- has_auth = m_script->getAuth(playername, &checkpwd, NULL);
-
- if(!has_auth) {
- actionstream << "Server: " << playerName << " cannot be authenticated"
- << " (auth handler does not work?)" << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_SERVER_FAIL);
- return;
- }
-
- if(playerPassword.c_str() != checkpwd) {
- actionstream << "Server: " << playerName << " supplied wrong password"
- << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_PASSWORD);
- return;
- }
-
- RemotePlayer *player =
- static_cast<RemotePlayer*>(m_env->getPlayer(playername));
-
- if (player && player->peer_id != 0) {
- errorstream << "Server: " << playername << ": Failed to emerge player"
- << " (player allocated to an another client)" << std::endl;
- DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_ALREADY_CONNECTED);
- }
-
- m_clients.setPlayerName(pkt->getPeerId(), playername);
-
- /*
- Answer with a TOCLIENT_INIT
- */
-
- NetworkPacket resp_pkt(TOCLIENT_AUTH_ACCEPT, 1 + 6 + 8 + 4, pkt->getPeerId());
-
- resp_pkt << v3f(0,0,0) << (u64) m_env->getServerMap().getSeed()
- << g_settings->getFloat("dedicated_server_step");
-
- Send(&resp_pkt);
- m_clients.event(pkt->getPeerId(), CSE_Init);
-}
-
-void Server::handleCommand_Init_Legacy(NetworkPacket* pkt)
-{
- // [0] u8 SER_FMT_VER_HIGHEST_READ
- // [1] u8[20] player_name
- // [21] u8[28] password <--- can be sent without this, from old versions
-
- if (pkt->getSize() < 1+PLAYERNAME_SIZE)
- return;
-
- RemoteClient* client = getClient(pkt->getPeerId(), CS_Created);
-
- std::string addr_s;
- try {
- Address address = getPeerAddress(pkt->getPeerId());
- addr_s = address.serializeString();
- }
- 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 "
- << pkt->getPeerId() << " not found" << std::endl;
- return;
- }
-
- // If net_proto_version is set, this client has already been handled
- if (client->getState() > CS_Created) {
- verbosestream << "Server: Ignoring multiple TOSERVER_INITs from "
- << addr_s << " (peer_id=" << pkt->getPeerId() << ")" << std::endl;
- return;
- }
-
- verbosestream << "Server: Got TOSERVER_INIT from " << addr_s << " (peer_id="
- << pkt->getPeerId() << ")" << std::endl;
-
- // Do not allow multiple players in simple singleplayer mode.
- // This isn't a perfect way to do it, but will suffice for now
- if (m_simple_singleplayer_mode && m_clients.getClientIDs().size() > 1) {
- infostream << "Server: Not allowing another client (" << addr_s
- << ") to connect in simple singleplayer mode" << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), L"Running in simple singleplayer mode.");
- return;
- }
-
- // First byte after command is maximum supported
- // serialization version
- u8 client_max;
-
- *pkt >> client_max;
-
- u8 our_max = SER_FMT_VER_HIGHEST_READ;
- // Use the highest version supported by both
- int deployed = std::min(client_max, our_max);
- // If it's lower than the lowest supported, give up.
- if (deployed < SER_FMT_VER_LOWEST)
- deployed = SER_FMT_VER_INVALID;
-
- if (deployed == SER_FMT_VER_INVALID) {
- actionstream << "Server: A mismatched client tried to connect from "
- << addr_s << std::endl;
- infostream<<"Server: Cannot negotiate serialization version with "
- << addr_s << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), std::wstring(
- L"Your client's version is not supported.\n"
- L"Server version is ")
- + narrow_to_wide(minetest_version_simple) + L"."
- );
- return;
- }
-
- client->setPendingSerializationVersion(deployed);
-
- /*
- Read and check network protocol version
- */
-
- u16 min_net_proto_version = 0;
- if (pkt->getSize() >= 1 + PLAYERNAME_SIZE + PASSWORD_SIZE + 2)
- min_net_proto_version = pkt->getU16(1 + PLAYERNAME_SIZE + PASSWORD_SIZE);
-
- // Use same version as minimum and maximum if maximum version field
- // doesn't exist (backwards compatibility)
- u16 max_net_proto_version = min_net_proto_version;
- if (pkt->getSize() >= 1 + PLAYERNAME_SIZE + PASSWORD_SIZE + 2 + 2)
- max_net_proto_version = pkt->getU16(1 + PLAYERNAME_SIZE + PASSWORD_SIZE + 2);
-
- // Start with client's maximum version
- u16 net_proto_version = max_net_proto_version;
-
- // Figure out a working version if it is possible at all
- if (max_net_proto_version >= SERVER_PROTOCOL_VERSION_MIN ||
- min_net_proto_version <= SERVER_PROTOCOL_VERSION_MAX) {
- // If maximum is larger than our maximum, go with our maximum
- if (max_net_proto_version > SERVER_PROTOCOL_VERSION_MAX)
- net_proto_version = SERVER_PROTOCOL_VERSION_MAX;
- // Else go with client's maximum
- else
- net_proto_version = max_net_proto_version;
- }
-
- verbosestream << "Server: " << addr_s << ": Protocol version: min: "
- << min_net_proto_version << ", max: " << max_net_proto_version
- << ", chosen: " << net_proto_version << std::endl;
-
- client->net_proto_version = net_proto_version;
-
- if (net_proto_version < SERVER_PROTOCOL_VERSION_MIN ||
- net_proto_version > SERVER_PROTOCOL_VERSION_MAX) {
- actionstream << "Server: A mismatched client tried to connect from "
- << addr_s << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), std::wstring(
- L"Your client's version is not supported.\n"
- L"Server version is ")
- + narrow_to_wide(minetest_version_simple) + L",\n"
- + L"server's PROTOCOL_VERSION is "
- + narrow_to_wide(itos(SERVER_PROTOCOL_VERSION_MIN))
- + L"..."
- + narrow_to_wide(itos(SERVER_PROTOCOL_VERSION_MAX))
- + L", client's PROTOCOL_VERSION is "
- + narrow_to_wide(itos(min_net_proto_version))
- + L"..."
- + narrow_to_wide(itos(max_net_proto_version))
- );
- return;
- }
-
- if (g_settings->getBool("strict_protocol_version_checking")) {
- if (net_proto_version != LATEST_PROTOCOL_VERSION) {
- actionstream << "Server: A mismatched (strict) client tried to "
- << "connect from " << addr_s << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), std::wstring(
- L"Your client's version is not supported.\n"
- L"Server version is ")
- + narrow_to_wide(minetest_version_simple) + L",\n"
- + L"server's PROTOCOL_VERSION (strict) is "
- + narrow_to_wide(itos(LATEST_PROTOCOL_VERSION))
- + L", client's PROTOCOL_VERSION is "
- + narrow_to_wide(itos(min_net_proto_version))
- + L"..."
- + narrow_to_wide(itos(max_net_proto_version))
- );
- return;
- }
- }
-
- /*
- Set up player
- */
- char playername[PLAYERNAME_SIZE];
- unsigned int playername_length = 0;
- for (; playername_length < PLAYERNAME_SIZE; playername_length++ ) {
- playername[playername_length] = pkt->getChar(1+playername_length);
- if (pkt->getChar(1+playername_length) == 0)
- break;
- }
-
- if (playername_length == PLAYERNAME_SIZE) {
- actionstream << "Server: Player with name exceeding max length "
- << "tried to connect from " << addr_s << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), L"Name too long");
- return;
- }
-
-
- if (playername[0]=='\0') {
- actionstream << "Server: Player with an empty name "
- << "tried to connect from " << addr_s << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), L"Empty name");
- return;
- }
-
- if (string_allowed(playername, PLAYERNAME_ALLOWED_CHARS) == false) {
- actionstream << "Server: Player with an invalid name "
- << "tried to connect from " << addr_s << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), L"Name contains unallowed characters");
- return;
- }
-
- if (!isSingleplayer() && strcasecmp(playername, "singleplayer") == 0) {
- actionstream << "Server: Player with the name \"singleplayer\" "
- << "tried to connect from " << addr_s << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), L"Name is not allowed");
- return;
- }
-
- {
- std::string reason;
- if (m_script->on_prejoinplayer(playername, addr_s, reason)) {
- actionstream << "Server: Player with the name \"" << playername << "\" "
- << "tried to connect from " << addr_s << " "
- << "but it was disallowed for the following reason: "
- << reason << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), narrow_to_wide(reason.c_str()));
- return;
- }
- }
-
- infostream<<"Server: New connection: \""<<playername<<"\" from "
- <<addr_s<<" (peer_id="<<pkt->getPeerId()<<")"<<std::endl;
-
- // Get password
- char given_password[PASSWORD_SIZE];
- if (pkt->getSize() < 1 + PLAYERNAME_SIZE + PASSWORD_SIZE) {
- // old version - assume blank password
- given_password[0] = 0;
- }
- else {
- for (u16 i = 0; i < PASSWORD_SIZE - 1; i++) {
- given_password[i] = pkt->getChar(21 + i);
- }
- given_password[PASSWORD_SIZE - 1] = 0;
- }
-
- if (!base64_is_valid(given_password)) {
- actionstream << "Server: " << playername
- << " supplied invalid password hash" << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), L"Invalid password hash");
- return;
- }
-
- // 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") &&
- !checkPriv(playername, "server") &&
- !checkPriv(playername, "ban") &&
- !checkPriv(playername, "privs") &&
- !checkPriv(playername, "password") &&
- playername != g_settings->get("name")) {
- actionstream << "Server: " << playername << " tried to join, but there"
- << " are already max_users="
- << g_settings->getU16("max_users") << " players." << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), L"Too many users.");
- return;
- }
-
- std::string checkpwd; // Password hash to check against
- bool has_auth = m_script->getAuth(playername, &checkpwd, NULL);
-
- // If no authentication info exists for user, create it
- if (!has_auth) {
- if (!isSingleplayer() &&
- g_settings->getBool("disallow_empty_password") &&
- std::string(given_password) == "") {
- actionstream << "Server: " << playername
- << " supplied empty password" << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), L"Empty passwords are "
- L"disallowed. Set a password and try again.");
- return;
- }
- std::wstring raw_default_password =
- narrow_to_wide(g_settings->get("default_password"));
- std::string initial_password =
- translatePassword(playername, raw_default_password);
-
- // If default_password is empty, allow any initial password
- if (raw_default_password.length() == 0)
- initial_password = given_password;
-
- m_script->createAuth(playername, initial_password);
- }
-
- has_auth = m_script->getAuth(playername, &checkpwd, NULL);
-
- if (!has_auth) {
- actionstream << "Server: " << playername << " cannot be authenticated"
- << " (auth handler does not work?)" << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), L"Not allowed to login");
- return;
- }
-
- if (given_password != checkpwd) {
- actionstream << "Server: " << playername << " supplied wrong password"
- << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), L"Wrong password");
- return;
- }
-
- RemotePlayer *player =
- static_cast<RemotePlayer*>(m_env->getPlayer(playername));
-
- if (player && player->peer_id != 0) {
- errorstream << "Server: " << playername << ": Failed to emerge player"
- << " (player allocated to an another client)" << std::endl;
- DenyAccess_Legacy(pkt->getPeerId(), L"Another client is connected with this "
- L"name. If your client closed unexpectedly, try again in "
- L"a minute.");
- }
-
- m_clients.setPlayerName(pkt->getPeerId(), playername);
-
- /*
- Answer with a TOCLIENT_INIT
- */
-
- NetworkPacket resp_pkt(TOCLIENT_INIT_LEGACY, 1 + 6 + 8 + 4,
- pkt->getPeerId());
-
- resp_pkt << (u8) deployed << (v3s16) floatToInt(v3f(0,0,0), BS)
- << (u64) m_env->getServerMap().getSeed()
- << g_settings->getFloat("dedicated_server_step");
-
- Send(&resp_pkt);
- m_clients.event(pkt->getPeerId(), CSE_Init);
-}
-
-void Server::handleCommand_Init2(NetworkPacket* pkt)
-{
- 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(NetworkPacket* pkt)
-{
- std::vector<std::string> tosend;
- u16 numfiles;
-
- *pkt >> numfiles;
-
- infostream << "Sending " << numfiles << " files to "
- << getPlayerName(pkt->getPeerId()) << std::endl;
- verbosestream << "TOSERVER_REQUEST_MEDIA: " << std::endl;
-
- for (u16 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(NetworkPacket* pkt)
-{
-}
-
-void Server::handleCommand_ClientReady(NetworkPacket* 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(NetworkPacket* 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(NetworkPacket* 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 = modulo360f(pitch);
- yaw = modulo360f(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;
- }
-
- // If player is dead we don't care of this packet
- if (player->isDead()) {
- verbosestream << "TOSERVER_PLAYERPOS: " << player->getName()
- << " is dead. Ignoring packet";
- 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 = (keyPressed & 1);
- player->control.down = (keyPressed & 2);
- player->control.left = (keyPressed & 4);
- player->control.right = (keyPressed & 8);
- player->control.jump = (keyPressed & 16);
- player->control.aux1 = (keyPressed & 32);
- player->control.sneak = (keyPressed & 64);
- player->control.LMB = (keyPressed & 128);
- player->control.RMB = (keyPressed & 256);
-
- if (playersao->checkMovementCheat()) {
- // Call callbacks
- m_script->on_cheat(playersao, "moved_too_fast");
- SendMovePlayer(pkt->getPeerId());
- }
-}
-
-void Server::handleCommand_DeletedBlocks(NetworkPacket* 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(NetworkPacket* 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(NetworkPacket* 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::vector<u16> clients = m_clients.getClientIDs();
-
- for (std::vector<u16>::iterator i = clients.begin();
- i != clients.end(); ++i) {
- if (*i != pkt->getPeerId())
- SendChatMessage(*i, line);
- }
- }
- }
-}
-
-void Server::handleCommand_Damage(NetworkPacket* 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);
- SendPlayerHPOrDie(playersao->getPeerID(), playersao->getHP() == 0);
- }
-}
-
-void Server::handleCommand_Breath(NetworkPacket* 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;
- }
-
- /*
- * If player is dead, we don't need to update the breath
- * He is dead !
- */
- if (player->isDead()) {
- verbosestream << "TOSERVER_BREATH: " << player->getName()
- << " is dead. Ignoring packet";
- 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);
- SendPlayerBreath(pkt->getPeerId());
-}
-
-void Server::handleCommand_Password(NetworkPacket* pkt)
-{
- errorstream << "PAssword packet size: " << pkt->getSize() << " size required: " << PASSWORD_SIZE * 2 << std::endl;
- if ((pkt->getCommand() == TOSERVER_PASSWORD && pkt->getSize() < 4) ||
- pkt->getSize() != PASSWORD_SIZE * 2)
- return;
-
- std::string oldpwd;
- std::string newpwd;
-
- if (pkt->getCommand() == TOSERVER_PASSWORD) {
- *pkt >> oldpwd >> newpwd;
- }
- // 13/03/15
- // Protocol v24 compat. Please remove in 1 year after
- // client convergence to 0.4.13/0.5.x
- else {
- for (u16 i = 0; i < PASSWORD_SIZE - 1; i++) {
- char c = pkt->getChar(i);
- if (c == 0)
- break;
- oldpwd += c;
- }
-
- for (u16 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(NetworkPacket* 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(NetworkPacket* 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->isDead())
- 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(NetworkPacket* 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->isDead()) {
- verbosestream << "TOSERVER_INTERACT: " << player->getName()
- << " is dead. Ignoring packet";
- 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();
-
- s16 src_original_hp = pointed_object->getHP();
- s16 dst_origin_hp = playersao->getHP();
-
- pointed_object->punch(dir, &toolcap, playersao,
- time_from_last_punch);
-
- // If the object is a player and its HP changed
- if (src_original_hp != pointed_object->getHP() &&
- pointed_object->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
- SendPlayerHPOrDie(((PlayerSAO*)pointed_object)->getPeerID(),
- pointed_object->getHP() == 0);
- }
-
- // If the puncher is a player and its HP changed
- if (dst_origin_hp != playersao->getHP()) {
- SendPlayerHPOrDie(playersao->getPeerID(), playersao->getHP() == 0);
- }
- }
-
- } // 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
- if (playersao->setWieldedItem(item)) {
- SendInventory(playersao);
- }
- }
-
- // 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(NetworkPacket* pkt)
-{
- u16 num;
- *pkt >> num;
- for (u16 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(NetworkPacket* pkt)
-{
- v3s16 p;
- std::string formname;
- u16 num;
-
- *pkt >> p >> formname >> num;
-
- std::map<std::string, std::string> fields;
- for (u16 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(NetworkPacket* pkt)
-{
- std::string formname;
- u16 num;
-
- *pkt >> formname >> num;
-
- std::map<std::string, std::string> fields;
- for (u16 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(): Canceling: "
- "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(): Canceling: "
- "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);
-}
--- /dev/null
+/*
+Minetest
+Copyright (C) 2015 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "server.h"
+#include "log.h"
+
+#include "content_abm.h"
+#include "content_sao.h"
+#include "emerge.h"
+#include "main.h"
+#include "nodedef.h"
+#include "player.h"
+#include "rollback_interface.h"
+#include "scripting_game.h"
+#include "settings.h"
+#include "tool.h"
+#include "version.h"
+#include "network/networkprotocol.h"
+#include "network/serveropcodes.h"
+#include "util/base64.h"
+#include "util/pointedthing.h"
+#include "util/serialize.h"
+
+void Server::handleCommand_Deprecated(NetworkPacket* pkt)
+{
+ infostream << "Server: " << toServerCommandTable[pkt->getCommand()].name
+ << " not supported anymore" << std::endl;
+}
+
+void Server::handleCommand_Init(NetworkPacket* pkt)
+{
+
+ if(pkt->getSize() < 1)
+ return;
+
+ RemoteClient* client = getClient(pkt->getPeerId(), CS_Created);
+
+ std::string addr_s;
+ try {
+ Address address = getPeerAddress(pkt->getPeerId());
+ addr_s = address.serializeString();
+ }
+ 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(): Canceling: peer "
+ << pkt->getPeerId() << " not found" << std::endl;
+ return;
+ }
+
+ // If net_proto_version is set, this client has already been handled
+ if (client->getState() > CS_Created) {
+ verbosestream << "Server: Ignoring multiple TOSERVER_INITs from "
+ << addr_s << " (peer_id=" << pkt->getPeerId() << ")" << std::endl;
+ return;
+ }
+
+ verbosestream << "Server: Got TOSERVER_INIT from " << addr_s << " (peer_id="
+ << pkt->getPeerId() << ")" << std::endl;
+
+ // Do not allow multiple players in simple singleplayer mode.
+ // This isn't a perfect way to do it, but will suffice for now
+ if (m_simple_singleplayer_mode && m_clients.getClientIDs().size() > 1) {
+ infostream << "Server: Not allowing another client (" << addr_s
+ << ") to connect in simple singleplayer mode" << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_SINGLEPLAYER);
+ return;
+ }
+
+ // First byte after command is maximum supported
+ // serialization version
+ u8 client_max;
+ u8 compression_modes;
+ u16 min_net_proto_version = 0;
+ u16 max_net_proto_version;
+
+ *pkt >> client_max >> compression_modes >> min_net_proto_version
+ >> max_net_proto_version;
+
+ u8 our_max = SER_FMT_VER_HIGHEST_READ;
+ // Use the highest version supported by both
+ int deployed = std::min(client_max, our_max);
+ // If it's lower than the lowest supported, give up.
+ if (deployed < SER_FMT_VER_LOWEST)
+ deployed = SER_FMT_VER_INVALID;
+
+ if (deployed == SER_FMT_VER_INVALID) {
+ actionstream << "Server: A mismatched client tried to connect from "
+ << addr_s << std::endl;
+ infostream<<"Server: Cannot negotiate serialization version with "
+ << addr_s << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_VERSION);
+ return;
+ }
+
+ client->setPendingSerializationVersion(deployed);
+
+ /*
+ Read and check network protocol version
+ */
+
+ u16 net_proto_version = 0;
+
+ // Figure out a working version if it is possible at all
+ if (max_net_proto_version >= SERVER_PROTOCOL_VERSION_MIN ||
+ min_net_proto_version <= SERVER_PROTOCOL_VERSION_MAX) {
+ // If maximum is larger than our maximum, go with our maximum
+ if (max_net_proto_version > SERVER_PROTOCOL_VERSION_MAX)
+ net_proto_version = SERVER_PROTOCOL_VERSION_MAX;
+ // Else go with client's maximum
+ else
+ net_proto_version = max_net_proto_version;
+ }
+
+ verbosestream << "Server: " << addr_s << ": Protocol version: min: "
+ << min_net_proto_version << ", max: " << max_net_proto_version
+ << ", chosen: " << net_proto_version << std::endl;
+
+ client->net_proto_version = net_proto_version;
+
+ // On this handler protocol version 25 is required
+ if (net_proto_version < 25 ||
+ net_proto_version < SERVER_PROTOCOL_VERSION_MIN ||
+ net_proto_version > SERVER_PROTOCOL_VERSION_MAX) {
+ actionstream << "Server: A mismatched client tried to connect from "
+ << addr_s << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_VERSION);
+ return;
+ }
+
+ if (g_settings->getBool("strict_protocol_version_checking")) {
+ if (net_proto_version != LATEST_PROTOCOL_VERSION) {
+ actionstream << "Server: A mismatched (strict) client tried to "
+ << "connect from " << addr_s << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_VERSION);
+ return;
+ }
+ }
+
+ // @TODO: check if we support same modes, but not required now
+
+ client->setSupportedCompressionModes(compression_modes);
+
+ m_clients.event(pkt->getPeerId(), CSE_Init);
+}
+
+void Server::handleCommand_Auth(NetworkPacket* pkt)
+{
+ std::string addr_s;
+ try {
+ Address address = getPeerAddress(pkt->getPeerId());
+ addr_s = address.serializeString();
+ }
+ 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(): Canceling: peer "
+ << pkt->getPeerId() << " not found" << std::endl;
+ return;
+ }
+
+ std::string playerName, playerPassword;
+
+ *pkt >> playerName >> playerPassword;
+
+ const char* playername = playerName.c_str();
+
+ if (playerName.size() > PLAYERNAME_SIZE) {
+ actionstream << "Server: Player with an too long name "
+ << "tried to connect from " << addr_s << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_NAME);
+ return;
+ }
+
+ if (string_allowed(playerName, PLAYERNAME_ALLOWED_CHARS) == false) {
+ actionstream << "Server: Player with an invalid name "
+ << "tried to connect from " << addr_s << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_CHARS_IN_NAME);
+ return;
+ }
+
+ if (!isSingleplayer() && strcasecmp(playername, "singleplayer") == 0) {
+ actionstream << "Server: Player with the name \"singleplayer\" "
+ << "tried to connect from " << addr_s << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_NAME);
+ return;
+ }
+
+ {
+ std::string reason;
+ if(m_script->on_prejoinplayer(playername, addr_s, reason)) {
+ actionstream << "Server: Player with the name \"" << playerName << "\" "
+ << "tried to connect from " << addr_s << " "
+ << "but it was disallowed for the following reason: "
+ << reason << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_CUSTOM_STRING,
+ narrow_to_wide(reason.c_str()));
+ return;
+ }
+ }
+
+ if (playerPassword.size() > PASSWORD_SIZE) {
+ actionstream << "Server: Player with an too long password "
+ << "tried to connect from " << addr_s << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_PASSWORD);
+ return;
+ }
+
+ infostream << "Server: New connection: \"" << playerName << "\" from "
+ << addr_s << " (peer_id=" << pkt->getPeerId() << ")" << std::endl;
+
+ if(!base64_is_valid(playerPassword)){
+ actionstream << "Server: " << playerName
+ << " supplied invalid password hash" << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_PASSWORD);
+ return;
+ }
+
+ // 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") &&
+ !checkPriv(playername, "server") &&
+ !checkPriv(playername, "ban") &&
+ !checkPriv(playername, "privs") &&
+ !checkPriv(playername, "password") &&
+ playername != g_settings->get("name")) {
+ actionstream << "Server: " << playername << " tried to join, but there"
+ << " are already max_users="
+ << g_settings->getU16("max_users") << " players." << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_TOO_MANY_USERS);
+ return;
+ }
+
+ std::string checkpwd; // Password hash to check against
+ bool has_auth = m_script->getAuth(playername, &checkpwd, NULL);
+
+ // If no authentication info exists for user, create it
+ if (!has_auth) {
+ if (!isSingleplayer() &&
+ g_settings->getBool("disallow_empty_password") &&
+ playerPassword.empty()) {
+ actionstream << "Server: " << playerName
+ << " supplied empty password" << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_EMPTY_PASSWORD);
+ return;
+ }
+ std::wstring raw_default_password =
+ narrow_to_wide(g_settings->get("default_password"));
+ std::string initial_password =
+ translatePassword(playername, raw_default_password);
+
+ // If default_password is empty, allow any initial password
+ if (raw_default_password.length() == 0)
+ initial_password = playerPassword.c_str();
+
+ m_script->createAuth(playername, initial_password);
+ }
+
+ has_auth = m_script->getAuth(playername, &checkpwd, NULL);
+
+ if(!has_auth) {
+ actionstream << "Server: " << playerName << " cannot be authenticated"
+ << " (auth handler does not work?)" << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_SERVER_FAIL);
+ return;
+ }
+
+ if(playerPassword.c_str() != checkpwd) {
+ actionstream << "Server: " << playerName << " supplied wrong password"
+ << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_WRONG_PASSWORD);
+ return;
+ }
+
+ RemotePlayer *player =
+ static_cast<RemotePlayer*>(m_env->getPlayer(playername));
+
+ if (player && player->peer_id != 0) {
+ errorstream << "Server: " << playername << ": Failed to emerge player"
+ << " (player allocated to an another client)" << std::endl;
+ DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_ALREADY_CONNECTED);
+ }
+
+ m_clients.setPlayerName(pkt->getPeerId(), playername);
+
+ /*
+ Answer with a TOCLIENT_INIT
+ */
+
+ NetworkPacket resp_pkt(TOCLIENT_AUTH_ACCEPT, 1 + 6 + 8 + 4, pkt->getPeerId());
+
+ resp_pkt << v3f(0,0,0) << (u64) m_env->getServerMap().getSeed()
+ << g_settings->getFloat("dedicated_server_step");
+
+ Send(&resp_pkt);
+ m_clients.event(pkt->getPeerId(), CSE_Init);
+}
+
+void Server::handleCommand_Init_Legacy(NetworkPacket* pkt)
+{
+ // [0] u8 SER_FMT_VER_HIGHEST_READ
+ // [1] u8[20] player_name
+ // [21] u8[28] password <--- can be sent without this, from old versions
+
+ if (pkt->getSize() < 1+PLAYERNAME_SIZE)
+ return;
+
+ RemoteClient* client = getClient(pkt->getPeerId(), CS_Created);
+
+ std::string addr_s;
+ try {
+ Address address = getPeerAddress(pkt->getPeerId());
+ addr_s = address.serializeString();
+ }
+ 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 "
+ << pkt->getPeerId() << " not found" << std::endl;
+ return;
+ }
+
+ // If net_proto_version is set, this client has already been handled
+ if (client->getState() > CS_Created) {
+ verbosestream << "Server: Ignoring multiple TOSERVER_INITs from "
+ << addr_s << " (peer_id=" << pkt->getPeerId() << ")" << std::endl;
+ return;
+ }
+
+ verbosestream << "Server: Got TOSERVER_INIT from " << addr_s << " (peer_id="
+ << pkt->getPeerId() << ")" << std::endl;
+
+ // Do not allow multiple players in simple singleplayer mode.
+ // This isn't a perfect way to do it, but will suffice for now
+ if (m_simple_singleplayer_mode && m_clients.getClientIDs().size() > 1) {
+ infostream << "Server: Not allowing another client (" << addr_s
+ << ") to connect in simple singleplayer mode" << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), L"Running in simple singleplayer mode.");
+ return;
+ }
+
+ // First byte after command is maximum supported
+ // serialization version
+ u8 client_max;
+
+ *pkt >> client_max;
+
+ u8 our_max = SER_FMT_VER_HIGHEST_READ;
+ // Use the highest version supported by both
+ int deployed = std::min(client_max, our_max);
+ // If it's lower than the lowest supported, give up.
+ if (deployed < SER_FMT_VER_LOWEST)
+ deployed = SER_FMT_VER_INVALID;
+
+ if (deployed == SER_FMT_VER_INVALID) {
+ actionstream << "Server: A mismatched client tried to connect from "
+ << addr_s << std::endl;
+ infostream<<"Server: Cannot negotiate serialization version with "
+ << addr_s << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), std::wstring(
+ L"Your client's version is not supported.\n"
+ L"Server version is ")
+ + narrow_to_wide(minetest_version_simple) + L"."
+ );
+ return;
+ }
+
+ client->setPendingSerializationVersion(deployed);
+
+ /*
+ Read and check network protocol version
+ */
+
+ u16 min_net_proto_version = 0;
+ if (pkt->getSize() >= 1 + PLAYERNAME_SIZE + PASSWORD_SIZE + 2)
+ min_net_proto_version = pkt->getU16(1 + PLAYERNAME_SIZE + PASSWORD_SIZE);
+
+ // Use same version as minimum and maximum if maximum version field
+ // doesn't exist (backwards compatibility)
+ u16 max_net_proto_version = min_net_proto_version;
+ if (pkt->getSize() >= 1 + PLAYERNAME_SIZE + PASSWORD_SIZE + 2 + 2)
+ max_net_proto_version = pkt->getU16(1 + PLAYERNAME_SIZE + PASSWORD_SIZE + 2);
+
+ // Start with client's maximum version
+ u16 net_proto_version = max_net_proto_version;
+
+ // Figure out a working version if it is possible at all
+ if (max_net_proto_version >= SERVER_PROTOCOL_VERSION_MIN ||
+ min_net_proto_version <= SERVER_PROTOCOL_VERSION_MAX) {
+ // If maximum is larger than our maximum, go with our maximum
+ if (max_net_proto_version > SERVER_PROTOCOL_VERSION_MAX)
+ net_proto_version = SERVER_PROTOCOL_VERSION_MAX;
+ // Else go with client's maximum
+ else
+ net_proto_version = max_net_proto_version;
+ }
+
+ verbosestream << "Server: " << addr_s << ": Protocol version: min: "
+ << min_net_proto_version << ", max: " << max_net_proto_version
+ << ", chosen: " << net_proto_version << std::endl;
+
+ client->net_proto_version = net_proto_version;
+
+ if (net_proto_version < SERVER_PROTOCOL_VERSION_MIN ||
+ net_proto_version > SERVER_PROTOCOL_VERSION_MAX) {
+ actionstream << "Server: A mismatched client tried to connect from "
+ << addr_s << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), std::wstring(
+ L"Your client's version is not supported.\n"
+ L"Server version is ")
+ + narrow_to_wide(minetest_version_simple) + L",\n"
+ + L"server's PROTOCOL_VERSION is "
+ + narrow_to_wide(itos(SERVER_PROTOCOL_VERSION_MIN))
+ + L"..."
+ + narrow_to_wide(itos(SERVER_PROTOCOL_VERSION_MAX))
+ + L", client's PROTOCOL_VERSION is "
+ + narrow_to_wide(itos(min_net_proto_version))
+ + L"..."
+ + narrow_to_wide(itos(max_net_proto_version))
+ );
+ return;
+ }
+
+ if (g_settings->getBool("strict_protocol_version_checking")) {
+ if (net_proto_version != LATEST_PROTOCOL_VERSION) {
+ actionstream << "Server: A mismatched (strict) client tried to "
+ << "connect from " << addr_s << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), std::wstring(
+ L"Your client's version is not supported.\n"
+ L"Server version is ")
+ + narrow_to_wide(minetest_version_simple) + L",\n"
+ + L"server's PROTOCOL_VERSION (strict) is "
+ + narrow_to_wide(itos(LATEST_PROTOCOL_VERSION))
+ + L", client's PROTOCOL_VERSION is "
+ + narrow_to_wide(itos(min_net_proto_version))
+ + L"..."
+ + narrow_to_wide(itos(max_net_proto_version))
+ );
+ return;
+ }
+ }
+
+ /*
+ Set up player
+ */
+ char playername[PLAYERNAME_SIZE];
+ unsigned int playername_length = 0;
+ for (; playername_length < PLAYERNAME_SIZE; playername_length++ ) {
+ playername[playername_length] = pkt->getChar(1+playername_length);
+ if (pkt->getChar(1+playername_length) == 0)
+ break;
+ }
+
+ if (playername_length == PLAYERNAME_SIZE) {
+ actionstream << "Server: Player with name exceeding max length "
+ << "tried to connect from " << addr_s << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), L"Name too long");
+ return;
+ }
+
+
+ if (playername[0]=='\0') {
+ actionstream << "Server: Player with an empty name "
+ << "tried to connect from " << addr_s << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), L"Empty name");
+ return;
+ }
+
+ if (string_allowed(playername, PLAYERNAME_ALLOWED_CHARS) == false) {
+ actionstream << "Server: Player with an invalid name "
+ << "tried to connect from " << addr_s << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), L"Name contains unallowed characters");
+ return;
+ }
+
+ if (!isSingleplayer() && strcasecmp(playername, "singleplayer") == 0) {
+ actionstream << "Server: Player with the name \"singleplayer\" "
+ << "tried to connect from " << addr_s << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), L"Name is not allowed");
+ return;
+ }
+
+ {
+ std::string reason;
+ if (m_script->on_prejoinplayer(playername, addr_s, reason)) {
+ actionstream << "Server: Player with the name \"" << playername << "\" "
+ << "tried to connect from " << addr_s << " "
+ << "but it was disallowed for the following reason: "
+ << reason << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), narrow_to_wide(reason.c_str()));
+ return;
+ }
+ }
+
+ infostream<<"Server: New connection: \""<<playername<<"\" from "
+ <<addr_s<<" (peer_id="<<pkt->getPeerId()<<")"<<std::endl;
+
+ // Get password
+ char given_password[PASSWORD_SIZE];
+ if (pkt->getSize() < 1 + PLAYERNAME_SIZE + PASSWORD_SIZE) {
+ // old version - assume blank password
+ given_password[0] = 0;
+ }
+ else {
+ for (u16 i = 0; i < PASSWORD_SIZE - 1; i++) {
+ given_password[i] = pkt->getChar(21 + i);
+ }
+ given_password[PASSWORD_SIZE - 1] = 0;
+ }
+
+ if (!base64_is_valid(given_password)) {
+ actionstream << "Server: " << playername
+ << " supplied invalid password hash" << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), L"Invalid password hash");
+ return;
+ }
+
+ // 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") &&
+ !checkPriv(playername, "server") &&
+ !checkPriv(playername, "ban") &&
+ !checkPriv(playername, "privs") &&
+ !checkPriv(playername, "password") &&
+ playername != g_settings->get("name")) {
+ actionstream << "Server: " << playername << " tried to join, but there"
+ << " are already max_users="
+ << g_settings->getU16("max_users") << " players." << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), L"Too many users.");
+ return;
+ }
+
+ std::string checkpwd; // Password hash to check against
+ bool has_auth = m_script->getAuth(playername, &checkpwd, NULL);
+
+ // If no authentication info exists for user, create it
+ if (!has_auth) {
+ if (!isSingleplayer() &&
+ g_settings->getBool("disallow_empty_password") &&
+ std::string(given_password) == "") {
+ actionstream << "Server: " << playername
+ << " supplied empty password" << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), L"Empty passwords are "
+ L"disallowed. Set a password and try again.");
+ return;
+ }
+ std::wstring raw_default_password =
+ narrow_to_wide(g_settings->get("default_password"));
+ std::string initial_password =
+ translatePassword(playername, raw_default_password);
+
+ // If default_password is empty, allow any initial password
+ if (raw_default_password.length() == 0)
+ initial_password = given_password;
+
+ m_script->createAuth(playername, initial_password);
+ }
+
+ has_auth = m_script->getAuth(playername, &checkpwd, NULL);
+
+ if (!has_auth) {
+ actionstream << "Server: " << playername << " cannot be authenticated"
+ << " (auth handler does not work?)" << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), L"Not allowed to login");
+ return;
+ }
+
+ if (given_password != checkpwd) {
+ actionstream << "Server: " << playername << " supplied wrong password"
+ << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), L"Wrong password");
+ return;
+ }
+
+ RemotePlayer *player =
+ static_cast<RemotePlayer*>(m_env->getPlayer(playername));
+
+ if (player && player->peer_id != 0) {
+ errorstream << "Server: " << playername << ": Failed to emerge player"
+ << " (player allocated to an another client)" << std::endl;
+ DenyAccess_Legacy(pkt->getPeerId(), L"Another client is connected with this "
+ L"name. If your client closed unexpectedly, try again in "
+ L"a minute.");
+ }
+
+ m_clients.setPlayerName(pkt->getPeerId(), playername);
+
+ /*
+ Answer with a TOCLIENT_INIT
+ */
+
+ NetworkPacket resp_pkt(TOCLIENT_INIT_LEGACY, 1 + 6 + 8 + 4,
+ pkt->getPeerId());
+
+ resp_pkt << (u8) deployed << (v3s16) floatToInt(v3f(0,0,0), BS)
+ << (u64) m_env->getServerMap().getSeed()
+ << g_settings->getFloat("dedicated_server_step");
+
+ Send(&resp_pkt);
+ m_clients.event(pkt->getPeerId(), CSE_Init);
+}
+
+void Server::handleCommand_Init2(NetworkPacket* pkt)
+{
+ 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(NetworkPacket* pkt)
+{
+ std::vector<std::string> tosend;
+ u16 numfiles;
+
+ *pkt >> numfiles;
+
+ infostream << "Sending " << numfiles << " files to "
+ << getPlayerName(pkt->getPeerId()) << std::endl;
+ verbosestream << "TOSERVER_REQUEST_MEDIA: " << std::endl;
+
+ for (u16 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(NetworkPacket* pkt)
+{
+}
+
+void Server::handleCommand_ClientReady(NetworkPacket* 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(NetworkPacket* 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(NetworkPacket* 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 = modulo360f(pitch);
+ yaw = modulo360f(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;
+ }
+
+ // If player is dead we don't care of this packet
+ if (player->isDead()) {
+ verbosestream << "TOSERVER_PLAYERPOS: " << player->getName()
+ << " is dead. Ignoring packet";
+ 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 = (keyPressed & 1);
+ player->control.down = (keyPressed & 2);
+ player->control.left = (keyPressed & 4);
+ player->control.right = (keyPressed & 8);
+ player->control.jump = (keyPressed & 16);
+ player->control.aux1 = (keyPressed & 32);
+ player->control.sneak = (keyPressed & 64);
+ player->control.LMB = (keyPressed & 128);
+ player->control.RMB = (keyPressed & 256);
+
+ if (playersao->checkMovementCheat()) {
+ // Call callbacks
+ m_script->on_cheat(playersao, "moved_too_fast");
+ SendMovePlayer(pkt->getPeerId());
+ }
+}
+
+void Server::handleCommand_DeletedBlocks(NetworkPacket* 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(NetworkPacket* 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(NetworkPacket* 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::vector<u16> clients = m_clients.getClientIDs();
+
+ for (std::vector<u16>::iterator i = clients.begin();
+ i != clients.end(); ++i) {
+ if (*i != pkt->getPeerId())
+ SendChatMessage(*i, line);
+ }
+ }
+ }
+}
+
+void Server::handleCommand_Damage(NetworkPacket* 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);
+ SendPlayerHPOrDie(playersao->getPeerID(), playersao->getHP() == 0);
+ }
+}
+
+void Server::handleCommand_Breath(NetworkPacket* 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;
+ }
+
+ /*
+ * If player is dead, we don't need to update the breath
+ * He is dead !
+ */
+ if (player->isDead()) {
+ verbosestream << "TOSERVER_BREATH: " << player->getName()
+ << " is dead. Ignoring packet";
+ 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);
+ SendPlayerBreath(pkt->getPeerId());
+}
+
+void Server::handleCommand_Password(NetworkPacket* pkt)
+{
+ errorstream << "PAssword packet size: " << pkt->getSize() << " size required: " << PASSWORD_SIZE * 2 << std::endl;
+ if ((pkt->getCommand() == TOSERVER_PASSWORD && pkt->getSize() < 4) ||
+ pkt->getSize() != PASSWORD_SIZE * 2)
+ return;
+
+ std::string oldpwd;
+ std::string newpwd;
+
+ if (pkt->getCommand() == TOSERVER_PASSWORD) {
+ *pkt >> oldpwd >> newpwd;
+ }
+ // 13/03/15
+ // Protocol v24 compat. Please remove in 1 year after
+ // client convergence to 0.4.13/0.5.x
+ else {
+ for (u16 i = 0; i < PASSWORD_SIZE - 1; i++) {
+ char c = pkt->getChar(i);
+ if (c == 0)
+ break;
+ oldpwd += c;
+ }
+
+ for (u16 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(NetworkPacket* 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(NetworkPacket* 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->isDead())
+ 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(NetworkPacket* 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->isDead()) {
+ verbosestream << "TOSERVER_INTERACT: " << player->getName()
+ << " is dead. Ignoring packet";
+ 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();
+
+ s16 src_original_hp = pointed_object->getHP();
+ s16 dst_origin_hp = playersao->getHP();
+
+ pointed_object->punch(dir, &toolcap, playersao,
+ time_from_last_punch);
+
+ // If the object is a player and its HP changed
+ if (src_original_hp != pointed_object->getHP() &&
+ pointed_object->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
+ SendPlayerHPOrDie(((PlayerSAO*)pointed_object)->getPeerID(),
+ pointed_object->getHP() == 0);
+ }
+
+ // If the puncher is a player and its HP changed
+ if (dst_origin_hp != playersao->getHP()) {
+ SendPlayerHPOrDie(playersao->getPeerID(), playersao->getHP() == 0);
+ }
+ }
+
+ } // 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
+ if (playersao->setWieldedItem(item)) {
+ SendInventory(playersao);
+ }
+ }
+
+ // 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(NetworkPacket* pkt)
+{
+ u16 num;
+ *pkt >> num;
+ for (u16 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(NetworkPacket* pkt)
+{
+ v3s16 p;
+ std::string formname;
+ u16 num;
+
+ *pkt >> p >> formname >> num;
+
+ std::map<std::string, std::string> fields;
+ for (u16 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(NetworkPacket* pkt)
+{
+ std::string formname;
+ u16 num;
+
+ *pkt >> formname >> num;
+
+ std::map<std::string, std::string> fields;
+ for (u16 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(): Canceling: "
+ "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(): Canceling: "
+ "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);
+}
projects / oweals / minetest.git / commitdiff