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Location: cpp/openttd-patchpack/source/src/network/core/tcp_admin.cpp - annotation
r28278:1fc682037ca2
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Codechange: Use Ticks for BaseConsist timetable fields
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* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD 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 General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file tcp_admin.cpp Basic functions to receive and send TCP packets to and from the admin network.
*/
#include "../../stdafx.h"
#include "../network_internal.h"
#include "tcp_admin.h"
#include "../../debug.h"
#include "../../safeguards.h"
/* Make sure that these enums match. */
static_assert((int)CRR_MANUAL == (int)ADMIN_CRR_MANUAL);
static_assert((int)CRR_AUTOCLEAN == (int)ADMIN_CRR_AUTOCLEAN);
static_assert((int)CRR_BANKRUPT == (int)ADMIN_CRR_BANKRUPT);
static_assert((int)CRR_END == (int)ADMIN_CRR_END);
/**
* Create the admin handler for the given socket.
* @param s The socket to communicate over.
*/
NetworkAdminSocketHandler::NetworkAdminSocketHandler(SOCKET s) : status(ADMIN_STATUS_INACTIVE)
{
this->sock = s;
}
NetworkRecvStatus NetworkAdminSocketHandler::CloseConnection(bool)
{
delete this;
return NETWORK_RECV_STATUS_CLIENT_QUIT;
}
/**
* Handle the given packet, i.e. pass it to the right parser receive command.
* @param p the packet to handle.
* @return #NetworkRecvStatus of handling.
*/
NetworkRecvStatus NetworkAdminSocketHandler::HandlePacket(Packet *p)
{
PacketAdminType type = (PacketAdminType)p->Recv_uint8();
if (this->HasClientQuit()) {
Debug(net, 0, "[tcp/admin] Received invalid packet from '{}' ({})", this->admin_name, this->admin_version);
this->CloseConnection();
return NETWORK_RECV_STATUS_MALFORMED_PACKET;
}
switch (type) {
case ADMIN_PACKET_ADMIN_JOIN: return this->Receive_ADMIN_JOIN(p);
case ADMIN_PACKET_ADMIN_QUIT: return this->Receive_ADMIN_QUIT(p);
case ADMIN_PACKET_ADMIN_UPDATE_FREQUENCY: return this->Receive_ADMIN_UPDATE_FREQUENCY(p);
case ADMIN_PACKET_ADMIN_POLL: return this->Receive_ADMIN_POLL(p);
case ADMIN_PACKET_ADMIN_CHAT: return this->Receive_ADMIN_CHAT(p);
case ADMIN_PACKET_ADMIN_EXTERNAL_CHAT: return this->Receive_ADMIN_EXTERNAL_CHAT(p);
case ADMIN_PACKET_ADMIN_RCON: return this->Receive_ADMIN_RCON(p);
case ADMIN_PACKET_ADMIN_GAMESCRIPT: return this->Receive_ADMIN_GAMESCRIPT(p);
case ADMIN_PACKET_ADMIN_PING: return this->Receive_ADMIN_PING(p);
case ADMIN_PACKET_SERVER_FULL: return this->Receive_SERVER_FULL(p);
case ADMIN_PACKET_SERVER_BANNED: return this->Receive_SERVER_BANNED(p);
case ADMIN_PACKET_SERVER_ERROR: return this->Receive_SERVER_ERROR(p);
case ADMIN_PACKET_SERVER_PROTOCOL: return this->Receive_SERVER_PROTOCOL(p);
case ADMIN_PACKET_SERVER_WELCOME: return this->Receive_SERVER_WELCOME(p);
case ADMIN_PACKET_SERVER_NEWGAME: return this->Receive_SERVER_NEWGAME(p);
case ADMIN_PACKET_SERVER_SHUTDOWN: return this->Receive_SERVER_SHUTDOWN(p);
case ADMIN_PACKET_SERVER_DATE: return this->Receive_SERVER_DATE(p);
case ADMIN_PACKET_SERVER_CLIENT_JOIN: return this->Receive_SERVER_CLIENT_JOIN(p);
case ADMIN_PACKET_SERVER_CLIENT_INFO: return this->Receive_SERVER_CLIENT_INFO(p);
case ADMIN_PACKET_SERVER_CLIENT_UPDATE: return this->Receive_SERVER_CLIENT_UPDATE(p);
case ADMIN_PACKET_SERVER_CLIENT_QUIT: return this->Receive_SERVER_CLIENT_QUIT(p);
case ADMIN_PACKET_SERVER_CLIENT_ERROR: return this->Receive_SERVER_CLIENT_ERROR(p);
case ADMIN_PACKET_SERVER_COMPANY_NEW: return this->Receive_SERVER_COMPANY_NEW(p);
case ADMIN_PACKET_SERVER_COMPANY_INFO: return this->Receive_SERVER_COMPANY_INFO(p);
case ADMIN_PACKET_SERVER_COMPANY_UPDATE: return this->Receive_SERVER_COMPANY_UPDATE(p);
case ADMIN_PACKET_SERVER_COMPANY_REMOVE: return this->Receive_SERVER_COMPANY_REMOVE(p);
case ADMIN_PACKET_SERVER_COMPANY_ECONOMY: return this->Receive_SERVER_COMPANY_ECONOMY(p);
case ADMIN_PACKET_SERVER_COMPANY_STATS: return this->Receive_SERVER_COMPANY_STATS(p);
case ADMIN_PACKET_SERVER_CHAT: return this->Receive_SERVER_CHAT(p);
case ADMIN_PACKET_SERVER_RCON: return this->Receive_SERVER_RCON(p);
case ADMIN_PACKET_SERVER_CONSOLE: return this->Receive_SERVER_CONSOLE(p);
case ADMIN_PACKET_SERVER_CMD_NAMES: return this->Receive_SERVER_CMD_NAMES(p);
case ADMIN_PACKET_SERVER_CMD_LOGGING: return this->Receive_SERVER_CMD_LOGGING(p);
case ADMIN_PACKET_SERVER_RCON_END: return this->Receive_SERVER_RCON_END(p);
case ADMIN_PACKET_SERVER_PONG: return this->Receive_SERVER_PONG(p);
default:
Debug(net, 0, "[tcp/admin] Received invalid packet type {} from '{}' ({})", type, this->admin_name, this->admin_version);
this->CloseConnection();
return NETWORK_RECV_STATUS_MALFORMED_PACKET;
}
}
/**
* Do the actual receiving of packets.
* As long as HandlePacket returns OKAY packets are handled. Upon
* failure, or no more packets to process the last result of
* HandlePacket is returned.
* @return #NetworkRecvStatus of the last handled packet.
*/
NetworkRecvStatus NetworkAdminSocketHandler::ReceivePackets()
{
Packet *p;
while ((p = this->ReceivePacket()) != nullptr) {
NetworkRecvStatus res = this->HandlePacket(p);
delete p;
if (res != NETWORK_RECV_STATUS_OKAY) return res;
}
return NETWORK_RECV_STATUS_OKAY;
}
/**
* Helper for logging receiving invalid packets.
* @param type The received packet type.
* @return The status the network should have, in this case: "malformed packet error".
*/
NetworkRecvStatus NetworkAdminSocketHandler::ReceiveInvalidPacket(PacketAdminType type)
{
Debug(net, 0, "[tcp/admin] Received illegal packet type {} from admin {} ({})", type, this->admin_name, this->admin_version);
return NETWORK_RECV_STATUS_MALFORMED_PACKET;
}
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_JOIN(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_JOIN); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_QUIT(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_QUIT); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_UPDATE_FREQUENCY(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_UPDATE_FREQUENCY); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_POLL(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_POLL); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_CHAT(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_CHAT); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_EXTERNAL_CHAT(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_EXTERNAL_CHAT); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_RCON(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_RCON); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_GAMESCRIPT(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_GAMESCRIPT); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_PING(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_PING); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_FULL(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_FULL); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_BANNED(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_BANNED); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_ERROR(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_ERROR); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_PROTOCOL(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_PROTOCOL); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_WELCOME(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_WELCOME); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_NEWGAME(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_NEWGAME); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_SHUTDOWN(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_SHUTDOWN); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_DATE(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_DATE); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CLIENT_JOIN(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CLIENT_JOIN); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CLIENT_INFO(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CLIENT_INFO); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CLIENT_UPDATE(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CLIENT_UPDATE); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CLIENT_QUIT(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CLIENT_QUIT); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CLIENT_ERROR(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CLIENT_ERROR); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_COMPANY_NEW(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_COMPANY_NEW); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_COMPANY_INFO(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_COMPANY_INFO); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_COMPANY_UPDATE(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_COMPANY_UPDATE); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_COMPANY_REMOVE(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_COMPANY_REMOVE); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_COMPANY_ECONOMY(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_COMPANY_ECONOMY); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_COMPANY_STATS(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_COMPANY_STATS); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CHAT(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CHAT); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_RCON(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_RCON); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CONSOLE(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CONSOLE); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CMD_NAMES(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CMD_NAMES); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CMD_LOGGING(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CMD_LOGGING); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_RCON_END(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_RCON_END); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_PONG(Packet *) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_PONG); }
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