diff options
Diffstat (limited to '')
| -rw-r--r-- | src/Protocol/Protocol17x.cpp | 11 | ||||
| -rw-r--r-- | src/Protocol/Protocol18x.cpp | 10 |
2 files changed, 21 insertions, 0 deletions
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp index 34103ea5a..4e985355a 100644 --- a/src/Protocol/Protocol17x.cpp +++ b/src/Protocol/Protocol17x.cpp @@ -2242,6 +2242,7 @@ void cProtocol172::HandleVanillaPluginMessage(cByteBuffer & a_ByteBuffer, const { if (a_Channel == "MC|AdvCdm") { + size_t BeginningSpace = a_ByteBuffer.GetReadableSpace(); HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Mode); switch (Mode) { @@ -2265,6 +2266,16 @@ void cProtocol172::HandleVanillaPluginMessage(cByteBuffer & a_ByteBuffer, const return; } } // switch (Mode) + + // Read the remainder of the packet (Vanilla sometimes sends bogus data at the end of the packet; #1692): + size_t BytesRead = BeginningSpace - a_ByteBuffer.GetReadableSpace(); + if (BytesRead < static_cast<size_t>(a_PayloadLength)) + { + LOGD("Protocol 1.7: Skipping garbage data at the end of a vanilla MC|AdvCdm packet, %u bytes", + a_PayloadLength - BytesRead + ); + a_ByteBuffer.SkipRead(a_PayloadLength - BytesRead); + } return; } else if (a_Channel == "MC|Brand") diff --git a/src/Protocol/Protocol18x.cpp b/src/Protocol/Protocol18x.cpp index 72827ac47..21b098735 100644 --- a/src/Protocol/Protocol18x.cpp +++ b/src/Protocol/Protocol18x.cpp @@ -2331,6 +2331,16 @@ void cProtocol180::HandlePacketPluginMessage(cByteBuffer & a_ByteBuffer) if (Channel.substr(0, 3) == "MC|") { HandleVanillaPluginMessage(a_ByteBuffer, Channel); + + // Skip any unread data (vanilla sometimes sends garbage at the end of a packet; #1692): + if (a_ByteBuffer.GetReadableSpace() > 1) + { + LOGD("Protocol 1.8: Skipping garbage data at the end of a vanilla PluginMessage packet, %u bytes", + a_ByteBuffer.GetReadableSpace() - 1 + ); + a_ByteBuffer.SkipRead(a_ByteBuffer.GetReadableSpace() - 1); + } + return; } |