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Disallow compressed control messages

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This commit is contained in:
heinrich5991 2016-08-12 18:41:03 +02:00
parent 5b19be992d
commit 884ad25204
1 changed files with 7 additions and 0 deletions
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7
src/engine/shared/network.cpp
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@ -211,7 +211,14 @@ int CNetBase::UnpackPacket(unsigned char *pBuffer, int Size, CNetPacketConstruct
else
{
if(pPacket->m_Flags&NET_PACKETFLAG_COMPRESSION)
{
// Don't allow compressed control packets.
if(pPacket->m_Flags&NET_PACKETFLAG_CONTROL)
{
return -1;
}
pPacket->m_DataSize = ms_Huffman.Decompress(&pBuffer[3], pPacket->m_DataSize, pPacket->m_aChunkData, sizeof(pPacket->m_aChunkData));
}
else
mem_copy(pPacket->m_aChunkData, &pBuffer[3], pPacket->m_DataSize);
}