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authorpeterbell10 <peterbell10@live.co.uk>2020-10-05 12:27:14 +0200
committerGitHub <noreply@github.com>2020-10-05 12:27:14 +0200
commita9031b6bae742b333b1b390192fa590f2ecb07ea (patch)
treeb2802c81d24d339c201a0747d66ba44e9ea8b1b0 /src/Protocol/ProtocolRecognizer.cpp
parentFixed current end generator (#4968) (diff)
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Diffstat (limited to 'src/Protocol/ProtocolRecognizer.cpp')
-rw-r--r--src/Protocol/ProtocolRecognizer.cpp52
1 files changed, 34 insertions, 18 deletions
diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp
index b72f73f3d..94208cbf3 100644
--- a/src/Protocol/ProtocolRecognizer.cpp
+++ b/src/Protocol/ProtocolRecognizer.cpp
@@ -244,7 +244,7 @@ std::unique_ptr<cProtocol> cMultiVersionProtocol::TryRecognizeLengthedProtocol(c
UInt32 ProtocolVersion;
AString ServerAddress;
UInt16 ServerPort;
- cProtocol::State NextState;
+ UInt32 NextStateValue;
if (!m_Buffer.ReadVarInt(PacketType) || (PacketType != 0x00))
{
@@ -262,7 +262,7 @@ std::unique_ptr<cProtocol> cMultiVersionProtocol::TryRecognizeLengthedProtocol(c
!m_Buffer.ReadVarInt(ProtocolVersion) ||
!m_Buffer.ReadVarUTF8String(ServerAddress) ||
!m_Buffer.ReadBEUInt16(ServerPort) ||
- !m_Buffer.ReadVarInt(NextState)
+ !m_Buffer.ReadVarInt(NextStateValue)
)
{
// TryRecognizeProtocol guarantees that we will have as much
@@ -270,6 +270,22 @@ std::unique_ptr<cProtocol> cMultiVersionProtocol::TryRecognizeLengthedProtocol(c
throw TriedToJoinWithUnsupportedProtocolException("Incorrect amount of data received - hacked client?");
}
+ cProtocol::State NextState = [&]
+ {
+ switch (NextStateValue)
+ {
+ case cProtocol::State::Status: return cProtocol::State::Status;
+ case cProtocol::State::Login: return cProtocol::State::Login;
+ case cProtocol::State::Game: return cProtocol::State::Game;
+ default:
+ {
+ throw TriedToJoinWithUnsupportedProtocolException(
+ fmt::format("Invalid next game state: {}", NextStateValue)
+ );
+ }
+ }
+ }();
+
// TODO: this should be a protocol property, not ClientHandle:
a_Client.SetProtocolVersion(ProtocolVersion);
@@ -285,23 +301,23 @@ std::unique_ptr<cProtocol> cMultiVersionProtocol::TryRecognizeLengthedProtocol(c
// All good, eat up the data:
m_Buffer.CommitRead();
- switch (static_cast<cProtocol::Version>(ProtocolVersion))
+ switch (ProtocolVersion)
{
- case cProtocol::Version::v1_8_0: return std::make_unique<cProtocol_1_8_0> (&a_Client, ServerAddress, NextState);
- case cProtocol::Version::v1_9_0: return std::make_unique<cProtocol_1_9_0> (&a_Client, ServerAddress, NextState);
- case cProtocol::Version::v1_9_1: return std::make_unique<cProtocol_1_9_1> (&a_Client, ServerAddress, NextState);
- case cProtocol::Version::v1_9_2: return std::make_unique<cProtocol_1_9_2> (&a_Client, ServerAddress, NextState);
- case cProtocol::Version::v1_9_4: return std::make_unique<cProtocol_1_9_4> (&a_Client, ServerAddress, NextState);
- case cProtocol::Version::v1_10_0: return std::make_unique<cProtocol_1_10_0>(&a_Client, ServerAddress, NextState);
- case cProtocol::Version::v1_11_0: return std::make_unique<cProtocol_1_11_0>(&a_Client, ServerAddress, NextState);
- case cProtocol::Version::v1_11_1: return std::make_unique<cProtocol_1_11_1>(&a_Client, ServerAddress, NextState);
- case cProtocol::Version::v1_12: return std::make_unique<cProtocol_1_12> (&a_Client, ServerAddress, NextState);
- case cProtocol::Version::v1_12_1: return std::make_unique<cProtocol_1_12_1>(&a_Client, ServerAddress, NextState);
- case cProtocol::Version::v1_12_2: return std::make_unique<cProtocol_1_12_2>(&a_Client, ServerAddress, NextState);
- case cProtocol::Version::v1_13: return std::make_unique<cProtocol_1_13> (&a_Client, ServerAddress, NextState);
- case cProtocol::Version::v1_13_1: return std::make_unique<cProtocol_1_13_1>(&a_Client, ServerAddress, NextState);
- case cProtocol::Version::v1_13_2: return std::make_unique<cProtocol_1_13_2>(&a_Client, ServerAddress, NextState);
- case cProtocol::Version::v1_14: return std::make_unique<cProtocol_1_14> (&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_8_0): return std::make_unique<cProtocol_1_8_0> (&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_9_0): return std::make_unique<cProtocol_1_9_0> (&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_9_1): return std::make_unique<cProtocol_1_9_1> (&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_9_2): return std::make_unique<cProtocol_1_9_2> (&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_9_4): return std::make_unique<cProtocol_1_9_4> (&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_10_0): return std::make_unique<cProtocol_1_10_0>(&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_11_0): return std::make_unique<cProtocol_1_11_0>(&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_11_1): return std::make_unique<cProtocol_1_11_1>(&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_12): return std::make_unique<cProtocol_1_12> (&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_12_1): return std::make_unique<cProtocol_1_12_1>(&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_12_2): return std::make_unique<cProtocol_1_12_2>(&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_13): return std::make_unique<cProtocol_1_13> (&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_13_1): return std::make_unique<cProtocol_1_13_1>(&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_13_2): return std::make_unique<cProtocol_1_13_2>(&a_Client, ServerAddress, NextState);
+ case static_cast<UInt32>(cProtocol::Version::v1_14): return std::make_unique<cProtocol_1_14> (&a_Client, ServerAddress, NextState);
default:
{
LOGD("Client \"%s\" uses an unsupported protocol (lengthed, version %u (0x%x))",