Merge pull request #7072
bc7cd78
p2p: drop peers that spam peer lists (moneromooo-monero)
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b7425c14c8
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@ -132,6 +132,7 @@
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#define P2P_DEFAULT_HANDSHAKE_INTERVAL 60 //secondes
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#define P2P_DEFAULT_PACKET_MAX_SIZE 50000000 //50000000 bytes maximum packet size
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#define P2P_DEFAULT_PEERS_IN_HANDSHAKE 250
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#define P2P_MAX_PEERS_IN_HANDSHAKE 250
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#define P2P_DEFAULT_CONNECTION_TIMEOUT 5000 //5 seconds
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#define P2P_DEFAULT_SOCKS_CONNECT_TIMEOUT 45 // seconds
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#define P2P_DEFAULT_PING_CONNECTION_TIMEOUT 2000 //2 seconds
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@ -2064,6 +2064,11 @@ namespace nodetool
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template<class t_payload_net_handler>
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bool node_server<t_payload_net_handler>::handle_remote_peerlist(const std::vector<peerlist_entry>& peerlist, const epee::net_utils::connection_context_base& context)
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{
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if (peerlist.size() > P2P_MAX_PEERS_IN_HANDSHAKE)
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{
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MWARNING(context << "peer sent " << peerlist.size() << " peers, considered spamming");
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return false;
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}
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std::vector<peerlist_entry> peerlist_ = peerlist;
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if(!sanitize_peerlist(peerlist_))
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return false;
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