1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/* $Id$ */
/*
* 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.
*/
#ifdef ENABLE_NETWORK
#include "../../stdafx.h"
#include "../network_internal.h"
#include "tcp_admin.h"
#include "../../debug.h"
/* Make sure that these enums match. */
assert_compile((int)CRR_MANUAL == (int)ADMIN_CRR_MANUAL);
assert_compile((int)CRR_AUTOCLEAN == (int)ADMIN_CRR_AUTOCLEAN);
assert_compile((int)CRR_BANKRUPT == (int)ADMIN_CRR_BANKRUPT);
assert_compile((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)
{
this->sock = s;
}
NetworkAdminSocketHandler::~NetworkAdminSocketHandler()
{
}
NetworkRecvStatus NetworkAdminSocketHandler::CloseConnection(bool error)
{
delete this;
return NETWORK_RECV_STATUS_CONN_LOST;
}
/**
* 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();
switch (this->HasClientQuit() ? INVALID_ADMIN_PACKET : 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_RCON: return this->Receive_ADMIN_RCON(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);
default:
if (this->HasClientQuit()) {
DEBUG(net, 0, "[tcp/admin] received invalid packet type %d from '%s' (%s)", type, this->admin_name, this->admin_version);
} else {
DEBUG(net, 0, "[tcp/admin] received illegal packet from '%s' (%s)", 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()) != NULL) {
NetworkRecvStatus res = this->HandlePacket(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 %d from admin %s (%s)", type, this->admin_name, this->admin_version);
return NETWORK_RECV_STATUS_MALFORMED_PACKET;
}
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_JOIN(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_JOIN); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_QUIT(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_QUIT); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_UPDATE_FREQUENCY(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_UPDATE_FREQUENCY); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_POLL(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_POLL); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_CHAT(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_CHAT); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_ADMIN_RCON(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_ADMIN_RCON); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_FULL(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_FULL); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_BANNED(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_BANNED); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_ERROR(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_ERROR); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_PROTOCOL(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_PROTOCOL); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_WELCOME(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_WELCOME); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_NEWGAME(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_NEWGAME); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_SHUTDOWN(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_SHUTDOWN); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_DATE(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_DATE); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CLIENT_JOIN(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CLIENT_JOIN); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CLIENT_INFO(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CLIENT_INFO); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CLIENT_UPDATE(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CLIENT_UPDATE); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CLIENT_QUIT(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CLIENT_QUIT); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CLIENT_ERROR(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CLIENT_ERROR); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_COMPANY_NEW(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_COMPANY_NEW); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_COMPANY_INFO(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_COMPANY_INFO); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_COMPANY_UPDATE(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_COMPANY_UPDATE); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_COMPANY_REMOVE(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_COMPANY_REMOVE); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_COMPANY_ECONOMY(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_COMPANY_ECONOMY); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_COMPANY_STATS(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_COMPANY_STATS); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CHAT(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CHAT); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_RCON(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_RCON); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CONSOLE(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CONSOLE); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CMD_NAMES(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CMD_NAMES); }
NetworkRecvStatus NetworkAdminSocketHandler::Receive_SERVER_CMD_LOGGING(Packet *p) { return this->ReceiveInvalidPacket(ADMIN_PACKET_SERVER_CMD_LOGGING); }
#endif /* ENABLE_NETWORK */
|
