aboutsummaryrefslogtreecommitdiff
path: root/src/network/packethandlers/server.cpp
diff options
context:
space:
mode:
authorLoic Blot <loic.blot@unix-experience.fr>2015-03-16 10:19:13 +0100
committerLoic Blot <loic.blot@unix-experience.fr>2015-03-16 10:19:19 +0100
commitb560294050e662a32b6b885ccf0e0f3b492cf5c4 (patch)
treee0562a8eafeec51855c19c3315493f165b793e90 /src/network/packethandlers/server.cpp
parentaaf26b3a4410c4a1dc2f4a8bb9c61122648fedf3 (diff)
downloadminetest-b560294050e662a32b6b885ccf0e0f3b492cf5c4.tar.gz
minetest-b560294050e662a32b6b885ccf0e0f3b492cf5c4.tar.bz2
minetest-b560294050e662a32b6b885ccf0e0f3b492cf5c4.zip
Rename packethandler/{client,server}.cpp to {client,server}packethandler.cpp
* Requested by @Zeno- * Approved by @nerzhul
Diffstat (limited to 'src/network/packethandlers/server.cpp')
-rw-r--r--src/network/packethandlers/server.cpp1847
1 files changed, 0 insertions, 1847 deletions
diff --git a/src/network/packethandlers/server.cpp b/src/network/packethandlers/server.cpp
deleted file mode 100644
index bb3a53463..000000000
--- a/src/network/packethandlers/server.cpp
+++ /dev/null
@@ -1,1847 +0,0 @@
-/*
-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);
-}