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Fix 1.8 file checker exploit

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#1056
This commit is contained in:
ReinforceZwei 2020-06-12 22:14:30 +08:00 • committed by ORelio
parent ee96788019
commit 27f35ee7a9
1 changed files with 3 additions and 0 deletions
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3
MinecraftClient/Protocol/Handlers/Protocol18.cs
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@ -573,6 +573,9 @@ namespace MinecraftClient.Protocol.Handlers
case PacketIncomingType.ResourcePackSend: case PacketIncomingType.ResourcePackSend:
string url = dataTypes.ReadNextString(packetData); string url = dataTypes.ReadNextString(packetData);
string hash = dataTypes.ReadNextString(packetData); string hash = dataTypes.ReadNextString(packetData);
// Ignore invalid length hash string
if (hash.Length != 40)
break;
//Send back "accepted" and "successfully loaded" responses for plugins making use of resource pack mandatory //Send back "accepted" and "successfully loaded" responses for plugins making use of resource pack mandatory
byte[] responseHeader = new byte[0]; byte[] responseHeader = new byte[0];
if (protocolversion < MC110Version) //MC 1.10 does not include resource pack hash in responses if (protocolversion < MC110Version) //MC 1.10 does not include resource pack hash in responses