diff options
Diffstat (limited to 'src/network/core')
| -rw-r--r-- | src/network/core/udp.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/network/core/udp.c b/src/network/core/udp.c index 5e32ad8e4..6699b4b87 100644 --- a/src/network/core/udp.c +++ b/src/network/core/udp.c @@ -116,11 +116,19 @@ void NetworkUDPReceive(const SOCKET udp) /* Try to receive anything */ nbytes = recvfrom(udp, p.buffer, packet_len, 0, (struct sockaddr *)&client_addr, &client_len); - /* We got some bytes for the base header of the packet. - * Assume we received the whole packet. */ + /* We got some bytes for the base header of the packet. */ if (nbytes > 2) { NetworkRecv_ReadPacketSize(&p); + /* If the size does not match the packet must be corrupted. + * Otherwise it will be marked as corrupted later on. */ + if (nbytes != p.size) { + DEBUG(net, 1, "received a packet with mismatching size from %s:%d", + inet_ntoa(client_addr.sin_addr), ntohs(client_addr.sin_port)); + + return; + } + /* Put the position on the right place */ p.pos = 2; p.next = NULL; |