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-rw-r--r--Tools/ProtoProxy/Connection.cpp378
-rw-r--r--Tools/ProtoProxy/Connection.h7
2 files changed, 272 insertions, 113 deletions
diff --git a/Tools/ProtoProxy/Connection.cpp b/Tools/ProtoProxy/Connection.cpp
index c4776949e..b22e61816 100644
--- a/Tools/ProtoProxy/Connection.cpp
+++ b/Tools/ProtoProxy/Connection.cpp
@@ -144,15 +144,20 @@ typedef unsigned char Byte;
enum
{
- PACKET_KEEPALIVE = 0x00,
- PACKET_LOGIN = 0x01,
- PACKET_HANDSHAKE = 0x02,
- PACKET_CHAT_MESSAGE = 0x03,
- PACKET_TIME_UPDATE = 0x04,
- PACKET_ENTITY_EQUIPMENT = 0x05,
- PACKET_COMPASS = 0x06,
+ // client-bound packets:
+ PACKET_C_KEEPALIVE = 0x00,
+ PACKET_C_JOIN_GAME = 0x01,
+ PACKET_C_CHAT_MESSAGE = 0x02,
+
+ // server-bound packets:
+ PACKET_S_KEEPALIVE = 0x00, // Also the initial handshake, as the very first packet
+ PACKET_S_CHAT_MESSAGE = 0x01,
+
+ PACKET_TIME_UPDATE = 0x03,
+ PACKET_ENTITY_EQUIPMENT = 0x04,
+ PACKET_SPAWN_POSITION = 0x05,
+ PACKET_UPDATE_HEALTH = 0x06,
PACKET_USE_ENTITY = 0x07,
- PACKET_UPDATE_HEALTH = 0x08,
PACKET_PLAYER_ON_GROUND = 0x0a,
PACKET_PLAYER_POSITION = 0x0b,
PACKET_PLAYER_LOOK = 0x0c,
@@ -270,7 +275,8 @@ cConnection::cConnection(SOCKET a_ClientSocket, cServer & a_Server) :
m_Nonce(0),
m_ClientBuffer(1024 KiB),
m_ServerBuffer(1024 KiB),
- m_HasClientPinged(false)
+ m_HasClientPinged(false),
+ m_ProtocolState(-1)
{
// Create the Logs subfolder, if not already created:
#if defined(_WIN32)
@@ -279,7 +285,7 @@ cConnection::cConnection(SOCKET a_ClientSocket, cServer & a_Server) :
mkdir("Logs", 0777);
#endif
- Printf(m_LogNameBase, "Logs/Log_%d", (int)time(NULL));
+ Printf(m_LogNameBase, "Logs/Log_%d_%d", (int)time(NULL), a_ClientSocket);
AString fnam(m_LogNameBase);
fnam.append(".log");
m_LogFile = fopen(fnam.c_str(), "w");
@@ -517,7 +523,7 @@ double cConnection::GetRelativeTime(void)
bool cConnection::SendData(SOCKET a_Socket, const char * a_Data, int a_Size, const char * a_Peer)
{
- DataLog(a_Data, a_Size, "Sending data to %s", a_Peer);
+ DataLog(a_Data, a_Size, "Sending data to %s, %d bytes", a_Peer, a_Size);
int res = send(a_Socket, a_Data, a_Size, 0);
if (res <= 0)
@@ -590,38 +596,77 @@ bool cConnection::DecodeClientsPackets(const char * a_Data, int a_Size)
while (m_ClientBuffer.CanReadBytes(1))
{
- unsigned char PacketType;
- m_ClientBuffer.ReadByte(PacketType);
- Log("Decoding client's packets, there are now %d bytes in the queue; next packet is 0x%02x", m_ClientBuffer.GetReadableSpace(), PacketType);
- switch (PacketType)
+ UInt32 PacketLen;
+ if (
+ !m_ClientBuffer.ReadVarInt(PacketLen) ||
+ !m_ClientBuffer.CanReadBytes(PacketLen)
+ )
{
- case PACKET_BLOCK_DIG: HANDLE_CLIENT_READ(HandleClientBlockDig); break;
- case PACKET_BLOCK_PLACE: HANDLE_CLIENT_READ(HandleClientBlockPlace); break;
- case PACKET_CHAT_MESSAGE: HANDLE_CLIENT_READ(HandleClientChatMessage); break;
- case PACKET_CLIENT_STATUSES: HANDLE_CLIENT_READ(HandleClientClientStatuses); break;
- case PACKET_CREATIVE_INVENTORY_ACTION: HANDLE_CLIENT_READ(HandleClientCreativeInventoryAction); break;
- case PACKET_DISCONNECT: HANDLE_CLIENT_READ(HandleClientDisconnect); break;
- case PACKET_ENCRYPTION_KEY_RESPONSE: HANDLE_CLIENT_READ(HandleClientEncryptionKeyResponse); break;
- case PACKET_ENTITY_ACTION: HANDLE_CLIENT_READ(HandleClientEntityAction); break;
- case PACKET_HANDSHAKE: HANDLE_CLIENT_READ(HandleClientHandshake); break;
- case PACKET_KEEPALIVE: HANDLE_CLIENT_READ(HandleClientKeepAlive); break;
- case PACKET_LOCALE_AND_VIEW: HANDLE_CLIENT_READ(HandleClientLocaleAndView); break;
- case PACKET_PING: HANDLE_CLIENT_READ(HandleClientPing); break;
- case PACKET_PLAYER_ABILITIES: HANDLE_CLIENT_READ(HandleClientPlayerAbilities); break;
- case PACKET_PLAYER_ANIMATION: HANDLE_CLIENT_READ(HandleClientAnimation); break;
- case PACKET_PLAYER_LOOK: HANDLE_CLIENT_READ(HandleClientPlayerLook); break;
- case PACKET_PLAYER_ON_GROUND: HANDLE_CLIENT_READ(HandleClientPlayerOnGround); break;
- case PACKET_PLAYER_POSITION: HANDLE_CLIENT_READ(HandleClientPlayerPosition); break;
- case PACKET_PLAYER_POSITION_LOOK: HANDLE_CLIENT_READ(HandleClientPlayerPositionLook); break;
- case PACKET_PLUGIN_MESSAGE: HANDLE_CLIENT_READ(HandleClientPluginMessage); break;
- case PACKET_SLOT_SELECT: HANDLE_CLIENT_READ(HandleClientSlotSelect); break;
- case PACKET_TAB_COMPLETION: HANDLE_CLIENT_READ(HandleClientTabCompletion); break;
- case PACKET_UPDATE_SIGN: HANDLE_CLIENT_READ(HandleClientUpdateSign); break;
- case PACKET_USE_ENTITY: HANDLE_CLIENT_READ(HandleClientUseEntity); break;
- case PACKET_WINDOW_CLICK: HANDLE_CLIENT_READ(HandleClientWindowClick); break;
- case PACKET_WINDOW_CLOSE: HANDLE_CLIENT_READ(HandleClientWindowClose); break;
+ // Not a complete packet yet
+ break;
+ }
+ UInt32 PacketType;
+ VERIFY(m_ClientBuffer.ReadVarInt(PacketType));
+ Log("Decoding client's packets, there are now %d bytes in the queue; next packet is 0x%0x, %u bytes long", m_ClientBuffer.GetReadableSpace(), PacketType, PacketLen);
+ switch (m_ProtocolState)
+ {
+ case -1:
+ {
+ // No initial handshake received yet
+ switch (PacketType)
+ {
+ case 0: HANDLE_CLIENT_READ(HandleClientHandshake); break;
+ }
+ break;
+ } // case -1
+
+ case 1:
+ {
+ // Status query
+ switch (PacketType)
+ {
+ case 0: HANDLE_CLIENT_READ(HandleClientStatusRequest); break;
+ case 1: HANDLE_CLIENT_READ(HandleClientStatusPing); break;
+ }
+ break;
+ }
+
+ case 2:
+ {
+ // Login / game
+ switch (PacketType)
+ {
+ case PACKET_BLOCK_DIG: HANDLE_CLIENT_READ(HandleClientBlockDig); break;
+ case PACKET_BLOCK_PLACE: HANDLE_CLIENT_READ(HandleClientBlockPlace); break;
+ case PACKET_S_CHAT_MESSAGE: HANDLE_CLIENT_READ(HandleClientChatMessage); break;
+ case PACKET_CLIENT_STATUSES: HANDLE_CLIENT_READ(HandleClientClientStatuses); break;
+ case PACKET_CREATIVE_INVENTORY_ACTION: HANDLE_CLIENT_READ(HandleClientCreativeInventoryAction); break;
+ case PACKET_DISCONNECT: HANDLE_CLIENT_READ(HandleClientDisconnect); break;
+ case PACKET_ENCRYPTION_KEY_RESPONSE: HANDLE_CLIENT_READ(HandleClientEncryptionKeyResponse); break;
+ case PACKET_ENTITY_ACTION: HANDLE_CLIENT_READ(HandleClientEntityAction); break;
+ case PACKET_S_KEEPALIVE: HANDLE_CLIENT_READ(HandleClientKeepAlive); break;
+ case PACKET_LOCALE_AND_VIEW: HANDLE_CLIENT_READ(HandleClientLocaleAndView); break;
+ case PACKET_PING: HANDLE_CLIENT_READ(HandleClientPing); break;
+ case PACKET_PLAYER_ABILITIES: HANDLE_CLIENT_READ(HandleClientPlayerAbilities); break;
+ case PACKET_PLAYER_ANIMATION: HANDLE_CLIENT_READ(HandleClientAnimation); break;
+ case PACKET_PLAYER_LOOK: HANDLE_CLIENT_READ(HandleClientPlayerLook); break;
+ case PACKET_PLAYER_ON_GROUND: HANDLE_CLIENT_READ(HandleClientPlayerOnGround); break;
+ case PACKET_PLAYER_POSITION: HANDLE_CLIENT_READ(HandleClientPlayerPosition); break;
+ case PACKET_PLAYER_POSITION_LOOK: HANDLE_CLIENT_READ(HandleClientPlayerPositionLook); break;
+ case PACKET_PLUGIN_MESSAGE: HANDLE_CLIENT_READ(HandleClientPluginMessage); break;
+ case PACKET_SLOT_SELECT: HANDLE_CLIENT_READ(HandleClientSlotSelect); break;
+ case PACKET_TAB_COMPLETION: HANDLE_CLIENT_READ(HandleClientTabCompletion); break;
+ case PACKET_UPDATE_SIGN: HANDLE_CLIENT_READ(HandleClientUpdateSign); break;
+ case PACKET_USE_ENTITY: HANDLE_CLIENT_READ(HandleClientUseEntity); break;
+ case PACKET_WINDOW_CLICK: HANDLE_CLIENT_READ(HandleClientWindowClick); break;
+ case PACKET_WINDOW_CLOSE: HANDLE_CLIENT_READ(HandleClientWindowClose); break;
+ }
+ break;
+ } // case 2
+
default:
{
+ // TODO: Move this elsewhere
if (m_ClientState == csEncryptedUnderstood)
{
Log("****************** Unknown packet 0x%02x from the client while encrypted; continuing to relay blind only", PacketType);
@@ -646,10 +691,10 @@ bool cConnection::DecodeClientsPackets(const char * a_Data, int a_Size)
Log("Unknown packet 0x%02x from the client while unencrypted; aborting connection", PacketType);
return false;
}
- }
- } // switch (PacketType)
+ } // default
+ } // switch (m_ProtocolState)
m_ClientBuffer.CommitRead();
- } // while (CanReadBytes(1))
+ } // while (true)
return true;
}
@@ -673,66 +718,102 @@ bool cConnection::DecodeServersPackets(const char * a_Data, int a_Size)
// Client hasn't finished encryption handshake yet, don't send them any data yet
}
- while (m_ServerBuffer.CanReadBytes(1))
+ while (true)
{
- unsigned char PacketType;
- m_ServerBuffer.ReadByte(PacketType);
- Log("Decoding server's packets, there are now %d bytes in the queue; next packet is 0x%02x", m_ServerBuffer.GetReadableSpace(), PacketType);
+ UInt32 PacketLen;
+ if (
+ !m_ServerBuffer.ReadVarInt(PacketLen) ||
+ !m_ServerBuffer.CanReadBytes(PacketLen)
+ )
+ {
+ // Not a complete packet yet
+ break;
+ }
+ UInt32 PacketType;
+ VERIFY(m_ServerBuffer.ReadVarInt(PacketType));
+ Log("Decoding server's packets, there are now %d bytes in the queue; next packet is 0x%0x, %u bytes long", m_ServerBuffer.GetReadableSpace(), PacketType, PacketLen);
LogFlush();
- switch (PacketType)
+ switch (m_ProtocolState)
{
- case PACKET_ATTACH_ENTITY: HANDLE_SERVER_READ(HandleServerAttachEntity); break;
- case PACKET_BLOCK_ACTION: HANDLE_SERVER_READ(HandleServerBlockAction); break;
- case PACKET_BLOCK_CHANGE: HANDLE_SERVER_READ(HandleServerBlockChange); break;
- case PACKET_CHANGE_GAME_STATE: HANDLE_SERVER_READ(HandleServerChangeGameState); break;
- case PACKET_CHAT_MESSAGE: HANDLE_SERVER_READ(HandleServerChatMessage); break;
- case PACKET_COLLECT_PICKUP: HANDLE_SERVER_READ(HandleServerCollectPickup); break;
- case PACKET_COMPASS: HANDLE_SERVER_READ(HandleServerCompass); break;
- case PACKET_DESTROY_ENTITIES: HANDLE_SERVER_READ(HandleServerDestroyEntities); break;
- case PACKET_ENCRYPTION_KEY_REQUEST: HANDLE_SERVER_READ(HandleServerEncryptionKeyRequest); break;
- case PACKET_ENCRYPTION_KEY_RESPONSE: HANDLE_SERVER_READ(HandleServerEncryptionKeyResponse); break;
- case PACKET_ENTITY: HANDLE_SERVER_READ(HandleServerEntity); break;
- case PACKET_ENTITY_EQUIPMENT: HANDLE_SERVER_READ(HandleServerEntityEquipment); break;
- case PACKET_ENTITY_HEAD_LOOK: HANDLE_SERVER_READ(HandleServerEntityHeadLook); break;
- case PACKET_ENTITY_LOOK: HANDLE_SERVER_READ(HandleServerEntityLook); break;
- case PACKET_ENTITY_METADATA: HANDLE_SERVER_READ(HandleServerEntityMetadata); break;
- case PACKET_ENTITY_PROPERTIES: HANDLE_SERVER_READ(HandleServerEntityProperties); break;
- case PACKET_ENTITY_RELATIVE_MOVE: HANDLE_SERVER_READ(HandleServerEntityRelativeMove); break;
- case PACKET_ENTITY_RELATIVE_MOVE_LOOK: HANDLE_SERVER_READ(HandleServerEntityRelativeMoveLook); break;
- case PACKET_ENTITY_STATUS: HANDLE_SERVER_READ(HandleServerEntityStatus); break;
- case PACKET_ENTITY_TELEPORT: HANDLE_SERVER_READ(HandleServerEntityTeleport); break;
- case PACKET_ENTITY_VELOCITY: HANDLE_SERVER_READ(HandleServerEntityVelocity); break;
- case PACKET_EXPLOSION: HANDLE_SERVER_READ(HandleServerExplosion); break;
- case PACKET_INCREMENT_STATISTIC: HANDLE_SERVER_READ(HandleServerIncrementStatistic); break;
- case PACKET_KEEPALIVE: HANDLE_SERVER_READ(HandleServerKeepAlive); break;
- case PACKET_KICK: HANDLE_SERVER_READ(HandleServerKick); break;
- case PACKET_LOGIN: HANDLE_SERVER_READ(HandleServerLogin); break;
- case PACKET_MAP_CHUNK: HANDLE_SERVER_READ(HandleServerMapChunk); break;
- case PACKET_MAP_CHUNK_BULK: HANDLE_SERVER_READ(HandleServerMapChunkBulk); break;
- case PACKET_MULTI_BLOCK_CHANGE: HANDLE_SERVER_READ(HandleServerMultiBlockChange); break;
- case PACKET_NAMED_SOUND_EFFECT: HANDLE_SERVER_READ(HandleServerNamedSoundEffect); break;
- case PACKET_PLAYER_ABILITIES: HANDLE_SERVER_READ(HandleServerPlayerAbilities); break;
- case PACKET_PLAYER_ANIMATION: HANDLE_SERVER_READ(HandleServerPlayerAnimation); break;
- case PACKET_PLAYER_LIST_ITEM: HANDLE_SERVER_READ(HandleServerPlayerListItem); break;
- case PACKET_PLAYER_POSITION_LOOK: HANDLE_SERVER_READ(HandleServerPlayerPositionLook); break;
- case PACKET_PLUGIN_MESSAGE: HANDLE_SERVER_READ(HandleServerPluginMessage); break;
- case PACKET_SET_EXPERIENCE: HANDLE_SERVER_READ(HandleServerSetExperience); break;
- case PACKET_SET_SLOT: HANDLE_SERVER_READ(HandleServerSetSlot); break;
- case PACKET_SLOT_SELECT: HANDLE_SERVER_READ(HandleServerSlotSelect); break;
- case PACKET_SOUND_EFFECT: HANDLE_SERVER_READ(HandleServerSoundEffect); break;
- case PACKET_SPAWN_MOB: HANDLE_SERVER_READ(HandleServerSpawnMob); break;
- case PACKET_SPAWN_NAMED_ENTITY: HANDLE_SERVER_READ(HandleServerSpawnNamedEntity); break;
- case PACKET_SPAWN_OBJECT_VEHICLE: HANDLE_SERVER_READ(HandleServerSpawnObjectVehicle); break;
- case PACKET_SPAWN_PAINTING: HANDLE_SERVER_READ(HandleServerSpawnPainting); break;
- case PACKET_SPAWN_PICKUP: HANDLE_SERVER_READ(HandleServerSpawnPickup); break;
- case PACKET_TAB_COMPLETION: HANDLE_SERVER_READ(HandleServerTabCompletion); break;
- case PACKET_TIME_UPDATE: HANDLE_SERVER_READ(HandleServerTimeUpdate); break;
- case PACKET_UPDATE_HEALTH: HANDLE_SERVER_READ(HandleServerUpdateHealth); break;
- case PACKET_UPDATE_SIGN: HANDLE_SERVER_READ(HandleServerUpdateSign); break;
- case PACKET_UPDATE_TILE_ENTITY: HANDLE_SERVER_READ(HandleServerUpdateTileEntity); break;
- case PACKET_WINDOW_CLOSE: HANDLE_SERVER_READ(HandleServerWindowClose); break;
- case PACKET_WINDOW_CONTENTS: HANDLE_SERVER_READ(HandleServerWindowContents); break;
- case PACKET_WINDOW_OPEN: HANDLE_SERVER_READ(HandleServerWindowOpen); break;
+ case -1:
+ {
+ Log("Receiving data from the server without an initial handshake message!");
+ break;
+ }
+
+ case 1:
+ {
+ // Status query:
+ switch (PacketType)
+ {
+ case 0: HANDLE_SERVER_READ(HandleServerStatusResponse); break;
+ case 1: HANDLE_SERVER_READ(HandleServerStatusPing); break;
+ }
+ break;
+ }
+
+ case 2:
+ {
+ // Login / game:
+ switch (PacketType)
+ {
+ case PACKET_ATTACH_ENTITY: HANDLE_SERVER_READ(HandleServerAttachEntity); break;
+ case PACKET_BLOCK_ACTION: HANDLE_SERVER_READ(HandleServerBlockAction); break;
+ case PACKET_BLOCK_CHANGE: HANDLE_SERVER_READ(HandleServerBlockChange); break;
+ case PACKET_CHANGE_GAME_STATE: HANDLE_SERVER_READ(HandleServerChangeGameState); break;
+ case PACKET_C_CHAT_MESSAGE: HANDLE_SERVER_READ(HandleServerChatMessage); break;
+ case PACKET_COLLECT_PICKUP: HANDLE_SERVER_READ(HandleServerCollectPickup); break;
+ case PACKET_DESTROY_ENTITIES: HANDLE_SERVER_READ(HandleServerDestroyEntities); break;
+ case PACKET_ENCRYPTION_KEY_REQUEST: HANDLE_SERVER_READ(HandleServerEncryptionKeyRequest); break;
+ case PACKET_ENCRYPTION_KEY_RESPONSE: HANDLE_SERVER_READ(HandleServerEncryptionKeyResponse); break;
+ case PACKET_ENTITY: HANDLE_SERVER_READ(HandleServerEntity); break;
+ case PACKET_ENTITY_EQUIPMENT: HANDLE_SERVER_READ(HandleServerEntityEquipment); break;
+ case PACKET_ENTITY_HEAD_LOOK: HANDLE_SERVER_READ(HandleServerEntityHeadLook); break;
+ case PACKET_ENTITY_LOOK: HANDLE_SERVER_READ(HandleServerEntityLook); break;
+ case PACKET_ENTITY_METADATA: HANDLE_SERVER_READ(HandleServerEntityMetadata); break;
+ case PACKET_ENTITY_PROPERTIES: HANDLE_SERVER_READ(HandleServerEntityProperties); break;
+ case PACKET_ENTITY_RELATIVE_MOVE: HANDLE_SERVER_READ(HandleServerEntityRelativeMove); break;
+ case PACKET_ENTITY_RELATIVE_MOVE_LOOK: HANDLE_SERVER_READ(HandleServerEntityRelativeMoveLook); break;
+ case PACKET_ENTITY_STATUS: HANDLE_SERVER_READ(HandleServerEntityStatus); break;
+ case PACKET_ENTITY_TELEPORT: HANDLE_SERVER_READ(HandleServerEntityTeleport); break;
+ case PACKET_ENTITY_VELOCITY: HANDLE_SERVER_READ(HandleServerEntityVelocity); break;
+ case PACKET_EXPLOSION: HANDLE_SERVER_READ(HandleServerExplosion); break;
+ case PACKET_INCREMENT_STATISTIC: HANDLE_SERVER_READ(HandleServerIncrementStatistic); break;
+ case PACKET_C_JOIN_GAME: HANDLE_SERVER_READ(HandleServerLogin); break;
+ case PACKET_C_KEEPALIVE: HANDLE_SERVER_READ(HandleServerKeepAlive); break;
+ case PACKET_KICK: HANDLE_SERVER_READ(HandleServerKick); break;
+ case PACKET_MAP_CHUNK: HANDLE_SERVER_READ(HandleServerMapChunk); break;
+ case PACKET_MAP_CHUNK_BULK: HANDLE_SERVER_READ(HandleServerMapChunkBulk); break;
+ case PACKET_MULTI_BLOCK_CHANGE: HANDLE_SERVER_READ(HandleServerMultiBlockChange); break;
+ case PACKET_NAMED_SOUND_EFFECT: HANDLE_SERVER_READ(HandleServerNamedSoundEffect); break;
+ case PACKET_PLAYER_ABILITIES: HANDLE_SERVER_READ(HandleServerPlayerAbilities); break;
+ case PACKET_PLAYER_ANIMATION: HANDLE_SERVER_READ(HandleServerPlayerAnimation); break;
+ case PACKET_PLAYER_LIST_ITEM: HANDLE_SERVER_READ(HandleServerPlayerListItem); break;
+ case PACKET_PLAYER_POSITION_LOOK: HANDLE_SERVER_READ(HandleServerPlayerPositionLook); break;
+ case PACKET_PLUGIN_MESSAGE: HANDLE_SERVER_READ(HandleServerPluginMessage); break;
+ case PACKET_SET_EXPERIENCE: HANDLE_SERVER_READ(HandleServerSetExperience); break;
+ case PACKET_SET_SLOT: HANDLE_SERVER_READ(HandleServerSetSlot); break;
+ case PACKET_SLOT_SELECT: HANDLE_SERVER_READ(HandleServerSlotSelect); break;
+ case PACKET_SOUND_EFFECT: HANDLE_SERVER_READ(HandleServerSoundEffect); break;
+ case PACKET_SPAWN_MOB: HANDLE_SERVER_READ(HandleServerSpawnMob); break;
+ case PACKET_SPAWN_NAMED_ENTITY: HANDLE_SERVER_READ(HandleServerSpawnNamedEntity); break;
+ case PACKET_SPAWN_OBJECT_VEHICLE: HANDLE_SERVER_READ(HandleServerSpawnObjectVehicle); break;
+ case PACKET_SPAWN_PAINTING: HANDLE_SERVER_READ(HandleServerSpawnPainting); break;
+ case PACKET_SPAWN_PICKUP: HANDLE_SERVER_READ(HandleServerSpawnPickup); break;
+ case PACKET_SPAWN_POSITION: HANDLE_SERVER_READ(HandleServerCompass); break;
+ case PACKET_TAB_COMPLETION: HANDLE_SERVER_READ(HandleServerTabCompletion); break;
+ case PACKET_TIME_UPDATE: HANDLE_SERVER_READ(HandleServerTimeUpdate); break;
+ case PACKET_UPDATE_HEALTH: HANDLE_SERVER_READ(HandleServerUpdateHealth); break;
+ case PACKET_UPDATE_SIGN: HANDLE_SERVER_READ(HandleServerUpdateSign); break;
+ case PACKET_UPDATE_TILE_ENTITY: HANDLE_SERVER_READ(HandleServerUpdateTileEntity); break;
+ case PACKET_WINDOW_CLOSE: HANDLE_SERVER_READ(HandleServerWindowClose); break;
+ case PACKET_WINDOW_CONTENTS: HANDLE_SERVER_READ(HandleServerWindowContents); break;
+ case PACKET_WINDOW_OPEN: HANDLE_SERVER_READ(HandleServerWindowOpen); break;
+ } // switch (PacketType)
+ break;
+ } // case 2
+
+ // TODO: Move this elsewhere
default:
{
if (m_ServerState == csEncryptedUnderstood)
@@ -760,7 +841,8 @@ bool cConnection::DecodeServersPackets(const char * a_Data, int a_Size)
return false;
}
}
- } // switch (PacketType)
+ } // switch (m_ProtocolState)
+
m_ServerBuffer.CommitRead();
} // while (CanReadBytes(1))
return true;
@@ -937,27 +1019,33 @@ bool cConnection::HandleClientEntityAction(void)
bool cConnection::HandleClientHandshake(void)
{
// Read the packet from the client:
- HANDLE_CLIENT_PACKET_READ(ReadByte, Byte, ProtocolVersion);
- HANDLE_CLIENT_PACKET_READ(ReadBEUTF16String16, AString, Username);
- HANDLE_CLIENT_PACKET_READ(ReadBEUTF16String16, AString, ServerHost);
- HANDLE_CLIENT_PACKET_READ(ReadBEInt, int, ServerPort);
+ HANDLE_CLIENT_PACKET_READ(ReadVarInt, UInt32, ProtocolVersion);
+ HANDLE_CLIENT_PACKET_READ(ReadVarUTF8String, AString, ServerHost);
+ HANDLE_CLIENT_PACKET_READ(ReadBEShort, short, ServerPort);
+ HANDLE_CLIENT_PACKET_READ(ReadVarInt, UInt32, NextState);
m_ClientBuffer.CommitRead();
- Log("Received a PACKET_HANDSHAKE from the client:");
- Log(" ProtocolVersion = %d", ProtocolVersion);
- Log(" Username = \"%s\"", Username.c_str());
+ Log("Received an initial handshake packet from the client:");
+ Log(" ProtocolVersion = %u", ProtocolVersion);
Log(" ServerHost = \"%s\"", ServerHost.c_str());
Log(" ServerPort = %d", ServerPort);
+ Log(" NextState = %u", NextState);
// Send the same packet to the server, but with our port:
+ cByteBuffer Packet(512);
+ Packet.WriteVarInt(0); // Packet type - initial handshake
+ Packet.WriteVarInt(ProtocolVersion);
+ Packet.WriteVarUTF8String(ServerHost);
+ Packet.WriteBEShort(m_Server.GetConnectPort());
+ Packet.WriteVarInt(NextState);
+ AString Pkt;
+ Packet.ReadAll(Pkt);
cByteBuffer ToServer(512);
- ToServer.WriteByte (PACKET_HANDSHAKE);
- ToServer.WriteByte (ProtocolVersion);
- ToServer.WriteBEUTF16String16(Username);
- ToServer.WriteBEUTF16String16(ServerHost);
- ToServer.WriteBEInt (m_Server.GetConnectPort());
+ ToServer.WriteVarUTF8String(Pkt);
SERVERSEND(ToServer);
+ m_ProtocolState = (int)NextState;
+
return true;
}
@@ -1124,6 +1212,30 @@ bool cConnection::HandleClientSlotSelect(void)
+bool cConnection::HandleClientStatusPing(void)
+{
+ HANDLE_CLIENT_PACKET_READ(ReadBEInt64, Int64, Time);
+ Log("Received the status ping packet from the client:");
+ Log(" Time = %lld", Time);
+ COPY_TO_SERVER();
+ return true;
+}
+
+
+
+
+
+bool cConnection::HandleClientStatusRequest(void)
+{
+ Log("Received the status request packet from the client");
+ COPY_TO_SERVER();
+ return true;
+}
+
+
+
+
+
bool cConnection::HandleClientTabCompletion(void)
{
HANDLE_CLIENT_PACKET_READ(ReadBEUTF16String16, AString, Query);
@@ -2267,6 +2379,46 @@ bool cConnection::HandleServerSpawnPickup(void)
+bool cConnection::HandleServerStatusPing(void)
+{
+ HANDLE_SERVER_PACKET_READ(ReadBEInt64, Int64, Time);
+ Log("Received server's ping response:");
+ Log(" Time = %lld", Time);
+ COPY_TO_CLIENT();
+ return true;
+}
+
+
+
+
+
+bool cConnection::HandleServerStatusResponse(void)
+{
+ HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, Response);
+ Log("Received server's status response:");
+ Log(" Response: %s", Response.c_str());
+
+ // Modify the response to show that it's being proto-proxied:
+ size_t idx = Response.find("\"description\":\"");
+ if (idx != AString::npos)
+ {
+ Response.assign(Response.substr(0, idx + 15) + "ProtoProxy: " + Response.substr(idx + 15));
+ }
+ cByteBuffer Packet(1000);
+ Packet.WriteVarInt(0); // Packet type - status response
+ Packet.WriteVarUTF8String(Response);
+ AString Pkt;
+ Packet.ReadAll(Pkt);
+ cByteBuffer ToClient(1000);
+ ToClient.WriteVarUTF8String(Pkt);
+ CLIENTSEND(ToClient);
+ return true;
+}
+
+
+
+
+
bool cConnection::HandleServerTabCompletion(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEUTF16String16, AString, Results);
diff --git a/Tools/ProtoProxy/Connection.h b/Tools/ProtoProxy/Connection.h
index 6093408d6..d1006c95a 100644
--- a/Tools/ProtoProxy/Connection.h
+++ b/Tools/ProtoProxy/Connection.h
@@ -79,6 +79,9 @@ protected:
/// Set to true when PACKET_PING is received from the client; will cause special parsing for server kick
bool m_HasClientPinged;
+
+ /// State the protocol is in (as defined by the initial handshake), -1 if no initial handshake received yet
+ int m_ProtocolState;
bool ConnectToServer(void);
@@ -130,6 +133,8 @@ protected:
bool HandleClientPlayerPositionLook(void);
bool HandleClientPluginMessage(void);
bool HandleClientSlotSelect(void);
+ bool HandleClientStatusPing(void);
+ bool HandleClientStatusRequest(void);
bool HandleClientTabCompletion(void);
bool HandleClientUpdateSign(void);
bool HandleClientUseEntity(void);
@@ -181,6 +186,8 @@ protected:
bool HandleServerSpawnObjectVehicle(void);
bool HandleServerSpawnPainting(void);
bool HandleServerSpawnPickup(void);
+ bool HandleServerStatusPing(void);
+ bool HandleServerStatusResponse(void);
bool HandleServerTabCompletion(void);
bool HandleServerTimeUpdate(void);
bool HandleServerUpdateHealth(void);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 13:23:30 +0100