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-rw-r--r--src/Protocol/ProtocolRecognizer.cpp202
1 files changed, 8 insertions, 194 deletions
diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp
index fe53aede1..ef6802d2b 100644
--- a/src/Protocol/ProtocolRecognizer.cpp
+++ b/src/Protocol/ProtocolRecognizer.cpp
@@ -7,11 +7,6 @@
#include "Globals.h"
#include "ProtocolRecognizer.h"
-#include "Protocol125.h"
-#include "Protocol132.h"
-#include "Protocol14x.h"
-#include "Protocol15x.h"
-#include "Protocol16x.h"
#include "Protocol17x.h"
#include "Protocol18x.h"
#include "../ClientHandle.h"
@@ -50,17 +45,6 @@ AString cProtocolRecognizer::GetVersionTextFromInt(int a_ProtocolVersion)
{
switch (a_ProtocolVersion)
{
- case PROTO_VERSION_1_2_5: return "1.2.5";
- case PROTO_VERSION_1_3_2: return "1.3.2";
- // case PROTO_VERSION_1_4_2: return "1.4.2";
- case PROTO_VERSION_1_4_4: return "1.4.4";
- case PROTO_VERSION_1_4_6: return "1.4.6";
- case PROTO_VERSION_1_5_0: return "1.5";
- case PROTO_VERSION_1_5_2: return "1.5.2";
- case PROTO_VERSION_1_6_1: return "1.6.1";
- case PROTO_VERSION_1_6_2: return "1.6.2";
- case PROTO_VERSION_1_6_3: return "1.6.3";
- case PROTO_VERSION_1_6_4: return "1.6.4";
case PROTO_VERSION_1_7_2: return "1.7.2";
case PROTO_VERSION_1_7_6: return "1.7.6";
case PROTO_VERSION_1_8_0: return "1.8";
@@ -213,8 +197,13 @@ void cProtocolRecognizer::SendDisconnect(const AString & a_Reason)
else
{
// This is used when the client sends a server-ping, respond with the default packet:
- WriteByte (0xff); // PACKET_DISCONNECT
- WriteString(a_Reason);
+ static const int Packet = 0xff; // PACKET_DISCONNECT
+ SendData((const char *)&Packet, 1); // WriteByte()
+
+ AString UTF16 = UTF8ToRawBEUTF16(a_Reason.c_str(), a_Reason.length());
+ static const short Size = htons((short)(UTF16.size() / 2));
+ SendData((const char *)&Size, 2); // WriteShort()
+ SendData(UTF16.data(), UTF16.size()); // WriteString()
}
}
@@ -873,51 +862,8 @@ bool cProtocolRecognizer::TryRecognizeProtocol(void)
{
// NOTE: If a new protocol is added or an old one is removed, adjust MCS_CLIENT_VERSIONS and
// MCS_PROTOCOL_VERSIONS macros in the header file, as well as PROTO_VERSION_LATEST macro
-
- // The first packet should be a Handshake, 0x02:
- unsigned char PacketType;
- if (!m_Buffer.ReadByte(PacketType))
- {
- return false;
- }
- switch (PacketType)
- {
- case 0x02: return TryRecognizeLengthlessProtocol(); // Handshake, continue recognizing
- case 0xfe:
- {
- // This may be either a packet length or the length-less Ping packet
- Byte NextByte;
- if (!m_Buffer.ReadByte(NextByte))
- {
- // Not enough data for either protocol
- // This could actually happen with the 1.2 / 1.3 client, but their support is fading out anyway
- return false;
- }
- if (NextByte != 0x01)
- {
- // This is definitely NOT a length-less Ping packet, handle as lengthed protocol:
- break;
- }
- if (!m_Buffer.ReadByte(NextByte))
- {
- // There is no more data. Although this *could* mean TCP fragmentation, it is highly unlikely
- // and rather this is a 1.4 client sending a regular Ping packet (without the following Plugin message)
- SendLengthlessServerPing();
- return false;
- }
- if (NextByte == 0xfa)
- {
- // Definitely a length-less Ping followed by a Plugin message
- SendLengthlessServerPing();
- return false;
- }
- // Definitely a lengthed Initial handshake, handle below:
- break;
- }
- } // switch (PacketType)
- // This must be a lengthed protocol, try if it has the entire initial handshake packet:
- m_Buffer.ResetRead();
+ // Lengthed protocol, try if it has the entire initial handshake packet:
UInt32 PacketLen;
UInt32 ReadSoFar = (UInt32)m_Buffer.GetReadableSpace();
if (!m_Buffer.ReadVarInt(PacketLen))
@@ -938,61 +884,6 @@ bool cProtocolRecognizer::TryRecognizeProtocol(void)
-bool cProtocolRecognizer::TryRecognizeLengthlessProtocol(void)
-{
- // The comm started with 0x02, which is a Handshake packet in the length-less protocol family
- // 1.3.2 starts with 0x02 0x39 <name-length-short>
- // 1.2.5 starts with 0x02 <name-length-short> and name is expected to less than 0x3900 long :)
- char ch;
- if (!m_Buffer.ReadChar(ch))
- {
- return false;
- }
- switch (ch)
- {
- case PROTO_VERSION_1_3_2:
- {
- m_Protocol = new cProtocol132(m_Client);
- return true;
- }
- case PROTO_VERSION_1_4_2:
- case PROTO_VERSION_1_4_4:
- {
- m_Protocol = new cProtocol142(m_Client);
- return true;
- }
- case PROTO_VERSION_1_4_6:
- {
- m_Protocol = new cProtocol146(m_Client);
- return true;
- }
- case PROTO_VERSION_1_5_0:
- case PROTO_VERSION_1_5_2:
- {
- m_Protocol = new cProtocol150(m_Client);
- return true;
- }
- case PROTO_VERSION_1_6_1:
- {
- m_Protocol = new cProtocol161(m_Client);
- return true;
- }
- case PROTO_VERSION_1_6_2:
- case PROTO_VERSION_1_6_3:
- case PROTO_VERSION_1_6_4:
- {
- m_Protocol = new cProtocol162(m_Client);
- return true;
- }
- }
- m_Protocol = new cProtocol125(m_Client);
- return true;
-}
-
-
-
-
-
bool cProtocolRecognizer::TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRemaining)
{
UInt32 PacketType;
@@ -1090,80 +981,3 @@ bool cProtocolRecognizer::TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRema
-
-void cProtocolRecognizer::SendLengthlessServerPing(void)
-{
- AString Reply;
- cServer * Server = cRoot::Get()->GetServer();
-
- AString ServerDescription = Server->GetDescription();
- int NumPlayers = Server->GetNumPlayers();
- int MaxPlayers = Server->GetMaxPlayers();
- AString Favicon = Server->GetFaviconData();
- cRoot::Get()->GetPluginManager()->CallHookServerPing(*m_Client, ServerDescription, NumPlayers, MaxPlayers, Favicon);
-
- switch (cRoot::Get()->GetPrimaryServerVersion())
- {
- case PROTO_VERSION_1_2_5:
- case PROTO_VERSION_1_3_2:
- {
- // http://wiki.vg/wiki/index.php?title=Protocol&oldid=3099#Server_List_Ping_.280xFE.29
- Printf(Reply, "%s%s%i%s%i",
- ServerDescription.c_str(),
- cChatColor::Delimiter,
- NumPlayers,
- cChatColor::Delimiter,
- MaxPlayers
- );
- break;
- }
-
- case PROTO_VERSION_1_4_2:
- case PROTO_VERSION_1_4_4:
- case PROTO_VERSION_1_4_6:
- case PROTO_VERSION_1_5_0:
- case PROTO_VERSION_1_5_2:
- case PROTO_VERSION_1_6_1:
- case PROTO_VERSION_1_6_2:
- case PROTO_VERSION_1_6_3:
- case PROTO_VERSION_1_6_4:
- {
- // The server list ping now has 1 more byte of "magic". Mojang just loves to complicate stuff.
- // http://wiki.vg/wiki/index.php?title=Protocol&oldid=3101#Server_List_Ping_.280xFE.29
- // _X 2012_10_31: I know that this needn't eat the byte, since it still may be in transit.
- // Who cares? We're disconnecting anyway.
- m_Buffer.ResetRead();
- if (m_Buffer.CanReadBytes(2))
- {
- Byte val;
- m_Buffer.ReadByte(val); // Packet type - Serverlist ping
- m_Buffer.ReadByte(val); // 0x01 magic value
- ASSERT(val == 0x01);
- }
-
- AString ProtocolVersionNum;
- Printf(ProtocolVersionNum, "%d", cRoot::Get()->GetPrimaryServerVersion());
- AString ProtocolVersionTxt(GetVersionTextFromInt(cRoot::Get()->GetPrimaryServerVersion()));
-
- // Cannot use Printf() because of in-string NUL bytes.
- Reply = cChatColor::Delimiter;
- Reply.append("1");
- Reply.push_back(0);
- Reply.append(ProtocolVersionNum);
- Reply.push_back(0);
- Reply.append(ProtocolVersionTxt);
- Reply.push_back(0);
- Reply.append(ServerDescription);
- Reply.push_back(0);
- Reply.append(Printf("%d", NumPlayers));
- Reply.push_back(0);
- Reply.append(Printf("%d", MaxPlayers));
- break;
- }
- } // switch (m_PrimaryServerVersion)
- m_Client->Kick(Reply);
-}
-
-
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-15 20:22:57 +0200