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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
// Protocol.h
// Interfaces to the cProtocol class representing the generic interface that a protocol
// parser and serializer must implement
#pragma once
#include "../Defines.h"
#include "../Endianness.h"
#include "../Scoreboard.h"
#include "../Map.h"
#include "../ByteBuffer.h"
#include "../EffectID.h"
#include "../ClientAction.h"
#include "PolarSSL++/AesCfb128Decryptor.h"
#include "PolarSSL++/AesCfb128Encryptor.h"
#include <array>
class cExpOrb;
class cPlayer;
class cEntity;
class cWindow;
class cInventory;
class cPawn;
class cPickup;
class cPainting;
class cWorld;
class cMonster;
class cChunkDataSerializer;
class cFallingBlock;
class cCompositeChat;
class cStatManager;
class cPacketizer;
typedef unsigned char Byte;
// fwd: main.cpp:
extern bool g_ShouldLogCommIn, g_ShouldLogCommOut;
class cProtocol
{
public:
enum class cProtocolError
{
Success,
BufferFull,
PacketError,
PacketUnknown,
// The packet was unreadble
PacketReadError,
// One of the values read out of the packet was invalid.
// We send a kick packet in response to a process error
PacketProcessError,
NotCompleted,
UnsupportedProtocol
};
cProtocol(AString a_LogID) :
m_OutPacketBuffer(64 KiB),
m_OutPacketLenBuffer(20), // 20 bytes is more than enough for one VarInt
m_IsEncrypted(false)
{
// Create the comm log file, if so requested:
if (g_ShouldLogCommIn || g_ShouldLogCommOut)
{
static int sCounter = 0;
cFile::CreateFolder("CommLogs");
AString FileName = Printf("CommLogs/%x_%d__%s.log", static_cast<unsigned>(time(nullptr)), sCounter++, a_LogID.c_str());
m_CommLogFile.Open(FileName, cFile::fmWrite);
}
}
virtual ~cProtocol() {}
/** Called when client sends some data, a_Actions is cleared before being filled */
virtual cProtocolError DataReceived(const char * a_Data, size_t a_Size, std::vector<std::unique_ptr<cClientAction>> & a_Actions) WARN_UNUSED = 0;
// Sending stuff to clients (alphabetically sorted):
virtual void SendAttachEntity (const cEntity & a_Entity, const cEntity * a_Vehicle) = 0;
virtual void SendBlockAction (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) = 0;
virtual void SendBlockBreakAnim (UInt32 a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) = 0;
virtual void SendBlockChange (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) = 0;
virtual void SendBlockChanges (int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) = 0;
virtual void SendChat (const AString & a_Message, eChatType a_Type) = 0;
virtual void SendChat (const cCompositeChat & a_Message, eChatType a_Type, bool a_ShouldUseChatPrefixes) = 0;
virtual void SendChunkData (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) = 0;
virtual void SendCollectEntity (const cEntity & a_Entity, const cPlayer & a_Player) = 0;
virtual void SendDestroyEntity (const cEntity & a_Entity) = 0;
virtual void SendDisconnect (const AString & a_Reason) = 0;
virtual void SendEditSign (int a_BlockX, int a_BlockY, int a_BlockZ) = 0; ///< Request the client to open up the sign editor for the sign (1.6+)
virtual void SendEntityEffect (const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration) = 0;
virtual void SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) = 0;
virtual void SendEntityHeadLook (const cEntity & a_Entity) = 0;
virtual void SendEntityLook (const cEntity & a_Entity) = 0;
virtual void SendEntityMetadata (const cEntity & a_Entity) = 0;
virtual void SendEntityProperties (const cEntity & a_Entity) = 0;
virtual void SendEntityRelMove (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) = 0;
virtual void SendEntityRelMoveLook (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) = 0;
virtual void SendEntityStatus (const cEntity & a_Entity, char a_Status) = 0;
virtual void SendEntityVelocity (const cEntity & a_Entity) = 0;
virtual void SendExplosion (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) = 0;
virtual void SendGameMode (eGameMode a_GameMode) = 0;
virtual void SendHealth (int a_Health, int a_FoodLevel, double a_FoodSaturationLevel) = 0;
virtual void SendHideTitle (void) = 0;
virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) = 0;
virtual void SendKeepAlive (UInt32 a_PingID) = 0;
virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) = 0;
virtual void SendLoginSuccess (const AString & a_UUID, const AString & a_Username) = 0;
virtual void SendMapData (const cMap & a_Map, int a_DataStartX, int a_DataStartY) = 0;
virtual void SendPaintingSpawn (const cPainting & a_Painting) = 0;
virtual void SendPickupSpawn (const cPickup & a_Pickup) = 0;
virtual void SendPlayerAbilities (const cPlayer & a_Player) = 0;
virtual void SendEntityAnimation (const cEntity & a_Entity, char a_Animation) = 0;
virtual void SendParticleEffect (const AString & a_SoundName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmount) = 0;
virtual void SendParticleEffect (const AString & a_SoundName, Vector3f a_Src, Vector3f a_Offset, float a_ParticleData, int a_ParticleAmount, std::array<int, 2> a_Data) = 0;
virtual void SendPlayerListAddPlayer (const cPlayer & a_Player) = 0;
virtual void SendPlayerListRemovePlayer (const cPlayer & a_Player) = 0;
virtual void SendPlayerListUpdateGameMode (const cPlayer & a_Player) = 0;
virtual void SendPlayerListUpdatePing (const cPlayer & a_Player) = 0;
virtual void SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName) = 0;
virtual void SendPlayerMaxSpeed (const cPlayer & a_Player) = 0; ///< Informs the client of the maximum player speed (1.6.1+)
virtual void SendPlayerMoveLook (const cPlayer & a_Player) = 0;
virtual void SendPlayerPosition (const cPlayer & a_Player) = 0;
virtual void SendPlayerSpawn (const cPlayer & a_Player) = 0;
virtual void SendPluginMessage (const AString & a_Channel, const AString & a_Message) = 0;
virtual void SendRemoveEntityEffect (const cEntity & a_Entity, int a_EffectID) = 0;
virtual void SendResetTitle (void) = 0;
virtual void SendRespawn (eGameMode a_GameMode, eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks) = 0;
virtual void SendExperience (const cPlayer & a_Player) = 0;
virtual void SendExperienceOrb (const cExpOrb & a_ExpOrb) = 0;
virtual void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) = 0;
virtual void SendScoreUpdate (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) = 0;
virtual void SendDisplayObjective (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) = 0;
virtual void SendSetSubTitle (const cCompositeChat & a_SubTitle) = 0;
virtual void SendSetRawSubTitle (const AString & a_SubTitle) = 0;
virtual void SendSetTitle (const cCompositeChat & a_Title) = 0;
virtual void SendSetRawTitle (const AString & a_Title) = 0;
virtual void SendSoundEffect (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) = 0;
virtual void SendSoundParticleEffect (const EffectID a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) = 0;
virtual void SendSpawnFallingBlock (const cFallingBlock & a_FallingBlock) = 0;
virtual void SendSpawnMob (const cMonster & a_Mob) = 0;
virtual void SendSpawnObject (const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) = 0;
virtual void SendSpawnVehicle (const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType) = 0;
virtual void SendStatistics (const cStatManager & a_Manager) = 0;
virtual void SendTabCompletionResults (const AStringVector & a_Results) = 0;
virtual void SendTeleportEntity (const cEntity & a_Entity) = 0;
virtual void SendThunderbolt (int a_BlockX, int a_BlockY, int a_BlockZ) = 0;
virtual void SendTitleTimes (int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks) = 0;
virtual void SendTimeUpdate (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) = 0;
virtual void SendUnloadChunk (int a_ChunkX, int a_ChunkZ) = 0;
virtual void SendUpdateBlockEntity (cBlockEntity & a_BlockEntity) = 0;
virtual void SendUpdateSign (int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4) = 0;
virtual void SendUseBed (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ) = 0;
virtual void SendWeather (eWeather a_Weather) = 0;
virtual void SendWholeInventory (const cPlayer & a_Player, const cWindow & a_Window) = 0;
virtual void SendWindowClose (const cWindow & a_Window) = 0;
virtual void SendWindowOpen (const cWindow & a_Window) = 0;
virtual void SendWindowProperty (const cWindow & a_Window, short a_Property, short a_Value) = 0;
/** Returns the ServerID used for authentication through session.minecraft.net */
virtual AString GetAuthServerID(void) = 0;
virtual cProtocolError HandleHandshake(cByteBuffer & a_ByteBuffer, std::vector<std::unique_ptr<cClientAction>> & a_Actions) WARN_UNUSED = 0;
protected:
friend class cPacketizer;
/** Provides synchronization for sending the entire packet at once.
Each SendXYZ() function must acquire this CS in order to send the whole packet at once.
Automated via cPacketizer class. */
cCriticalSection m_CSPacket;
/** Buffer for composing the outgoing packets, through cPacketizer */
cByteBuffer m_OutPacketBuffer;
/** Buffer for composing packet length (so that each cPacketizer instance doesn't allocate a new cPacketBuffer) */
cByteBuffer m_OutPacketLenBuffer;
bool m_IsEncrypted;
cAesCfb128Decryptor m_Decryptor;
cAesCfb128Encryptor m_Encryptor;
/** A generic data-sending routine, all outgoing packet data needs to be routed through this so that descendants may override it. */
virtual void SendData(cByteBuffer & a_ByteBuffer, const char * a_Data, size_t a_Size) = 0;
/** Sends a single packet contained within the cPacketizer class.
The cPacketizer's destructor calls this to send the contained packet; protocol may transform the data (compression in 1.8 etc). */
virtual void SendPacket(cPacketizer & a_Packet) = 0;
/** The logfile where the comm is logged, when g_ShouldLogComm is true */
cFile m_CommLogFile;
} ;
|
