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Fixed a crash on chat parsing. + Returned the commended try catch block

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Fixed a crash on chat parsing. + Returned the commended try catch block
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Anon 2024-02-21 17:41:37 +01:00 • committed by GitHub
commit 798a24e8be
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GPG key ID: B5690EEEBB952194
3 changed files with 53 additions and 48 deletions
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1
MinecraftClient/Protocol/Handlers/DataTypes.cs
View file

@ -686,7 +686,6 @@ namespace MinecraftClient.Protocol.Handlers
? key >> 5 // 1.8 ? key >> 5 // 1.8
: ReadNextVarInt(cache); // 1.9+ : ReadNextVarInt(cache); // 1.9+
EntityMetaDataType type; EntityMetaDataType type;
try try
{ {

55
MinecraftClient/Protocol/Handlers/Protocol18.cs
View file

@ -365,8 +365,8 @@ namespace MinecraftClient.Protocol.Handlers
/// <returns>TRUE if the packet was processed, FALSE if ignored or unknown</returns> /// <returns>TRUE if the packet was processed, FALSE if ignored or unknown</returns>
internal bool HandlePacket(int packetId, Queue<byte> packetData) internal bool HandlePacket(int packetId, Queue<byte> packetData)
{ {
//try try
//{ {
switch (currentState) switch (currentState)
{ {
// https://wiki.vg/Protocol#Login // https://wiki.vg/Protocol#Login
@ -449,23 +449,22 @@ namespace MinecraftClient.Protocol.Handlers
default: default:
return true; return true;
} }
//} }
//catch (Exception innerException) catch (Exception innerException)
//{ {
// //throw; if (innerException is ThreadAbortException || innerException is SocketException ||
// if (innerException is ThreadAbortException || innerException is SocketException || innerException.InnerException is SocketException)
// innerException.InnerException is SocketException) throw; //Thread abort or Connection lost rather than invalid data
// throw; //Thread abort or Connection lost rather than invalid data
// throw new System.IO.InvalidDataException( throw new System.IO.InvalidDataException(
// string.Format(Translations.exception_packet_process, string.Format(Translations.exception_packet_process,
// packetPalette.GetIncomingTypeById(packetId), packetPalette.GetIncomingTypeById(packetId),
// packetId, packetId,
// protocolVersion, protocolVersion,
// currentState == CurrentState.Login, currentState == CurrentState.Login,
// innerException.GetType()), innerException.GetType()),
// innerException); innerException);
//} }
return true; return true;
} }
@ -493,9 +492,10 @@ namespace MinecraftClient.Protocol.Handlers
return; return;
//Send back "accepted" and "successfully loaded" responses for plugins or server config making use of resource pack mandatory //Send back "accepted" and "successfully loaded" responses for plugins or server config making use of resource pack mandatory
var responseHeader = protocolVersion < MC_1_10_Version // After 1.10, the MC does not include resource pack hash in responses var responseHeader =
? dataTypes.ConcatBytes(DataTypes.GetVarInt(hash.Length), Encoding.UTF8.GetBytes(hash)) protocolVersion < MC_1_10_Version // After 1.10, the MC does not include resource pack hash in responses
: Array.Empty<byte>(); ? dataTypes.ConcatBytes(DataTypes.GetVarInt(hash.Length), Encoding.UTF8.GetBytes(hash))
: Array.Empty<byte>();
var basePacketData = protocolVersion >= MC_1_20_4_Version && uuid != Guid.Empty var basePacketData = protocolVersion >= MC_1_20_4_Version && uuid != Guid.Empty
? dataTypes.ConcatBytes(responseHeader, DataTypes.GetUUID(uuid)) ? dataTypes.ConcatBytes(responseHeader, DataTypes.GetUUID(uuid))
@ -507,7 +507,8 @@ namespace MinecraftClient.Protocol.Handlers
if (currentState == CurrentState.Configuration) if (currentState == CurrentState.Configuration)
{ {
SendPacket(ConfigurationPacketTypesOut.ResourcePackResponse, acceptedResourcePackData); // Accepted SendPacket(ConfigurationPacketTypesOut.ResourcePackResponse, acceptedResourcePackData); // Accepted
SendPacket(ConfigurationPacketTypesOut.ResourcePackResponse, loadedResourcePackData); // Successfully loaded SendPacket(ConfigurationPacketTypesOut.ResourcePackResponse,
loadedResourcePackData); // Successfully loaded
} }
else else
{ {
@ -1677,7 +1678,7 @@ namespace MinecraftClient.Protocol.Handlers
var hasIcon = dataTypes.ReadNextBool(packetData); var hasIcon = dataTypes.ReadNextBool(packetData);
if (hasIcon) if (hasIcon)
{ {
if(protocolVersion < MC_1_20_2_Version) if (protocolVersion < MC_1_20_2_Version)
iconBase64 = dataTypes.ReadNextString(packetData); iconBase64 = dataTypes.ReadNextString(packetData);
else else
{ {
@ -2164,7 +2165,7 @@ namespace MinecraftClient.Protocol.Handlers
break; break;
case PacketTypesIn.ResetScore: case PacketTypesIn.ResetScore:
dataTypes.ReadNextString(packetData); // Entity Name dataTypes.ReadNextString(packetData); // Entity Name
if(dataTypes.ReadNextBool(packetData)) // Has Objective Name if (dataTypes.ReadNextBool(packetData)) // Has Objective Name
dataTypes.ReadNextString(packetData); // Objective Name dataTypes.ReadNextString(packetData); // Objective Name
break; break;
@ -2567,7 +2568,8 @@ namespace MinecraftClient.Protocol.Handlers
objectiveValue2 = dataTypes.ReadNextVarInt(packetData); // Value objectiveValue2 = dataTypes.ReadNextVarInt(packetData); // Value
if (dataTypes.ReadNextBool(packetData)) // Has Display Name if (dataTypes.ReadNextBool(packetData)) // Has Display Name
objectiveDisplayName3 = ChatParser.ParseText(dataTypes.ReadNextString(packetData)); // Has Display Name objectiveDisplayName3 =
ChatParser.ParseText(dataTypes.ReadNextString(packetData)); // Has Display Name
if (dataTypes.ReadNextBool(packetData)) // Has Number Format if (dataTypes.ReadNextBool(packetData)) // Has Number Format
numberFormat2 = dataTypes.ReadNextVarInt(packetData); // Number Format numberFormat2 = dataTypes.ReadNextVarInt(packetData); // Number Format
@ -2585,7 +2587,8 @@ namespace MinecraftClient.Protocol.Handlers
objectiveValue2 = dataTypes.ReadNextVarInt(packetData); objectiveValue2 = dataTypes.ReadNextVarInt(packetData);
} }
handler.OnUpdateScore(entityName, action3, objectiveName3, objectiveDisplayName3, objectiveValue2, numberFormat2); handler.OnUpdateScore(entityName, action3, objectiveName3, objectiveDisplayName3, objectiveValue2,
numberFormat2);
break; break;
case PacketTypesIn.BlockChangedAck: case PacketTypesIn.BlockChangedAck:
handler.OnBlockChangeAck(dataTypes.ReadNextVarInt(packetData)); handler.OnBlockChangeAck(dataTypes.ReadNextVarInt(packetData));

5
MinecraftClient/Protocol/Message/ChatParser.cs
View file

@ -471,7 +471,10 @@ namespace MinecraftClient.Protocol.Message
var withs = (object[])withComponent; var withs = (object[])withComponent;
for (int i = 0; i < withs.Length; i++) for (int i = 0; i < withs.Length; i++)
{ {
var withDict = (Dictionary<string, object>)withs[i]; var withDict = withs[i] is string
? new Dictionary<string, object>() { { "text", (string)withs[i] } }
: (Dictionary<string, object>)withs[i];
translateString.Add(NbtToString(withDict)); translateString.Add(NbtToString(withDict));
} }
} }