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Treat packets from unknown nodes differently

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Instead of trying to decompress packets from unknown connections (and
failing them anyway), they are now reported and discarded without doing
anything else.
This commit is contained in:
Edward Richardson 2014-01-12 18:39:19 +13:00
parent 455145d611
commit 6db974918a
1 changed files with 7 additions and 1 deletions
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8
src/i_net.cpp
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@ -293,7 +293,7 @@ void PacketGet (void)
return;
}
}
else if (c > 0)
else if (node >= 0 && c > 0)
{
doomcom.data[0] = TransmitBuffer[0] & ~NCMD_COMPRESSED;
if (TransmitBuffer[0] & NCMD_COMPRESSED)
@ -316,6 +316,12 @@ void PacketGet (void)
memcpy(doomcom.data + 1, TransmitBuffer + 1, c - 1);
}
}
else if (c > 0)
{ //The packet is not from any in-game node, so we might as well discard it.
Printf("Dropped packet: Unknown host (%s:%d)\n", inet_ntoa(fromaddress.sin_addr), fromaddress.sin_port);
doomcom.remotenode = -1;
return;
}
doomcom.remotenode = node;
doomcom.datalength = (short)c;