From 4237707d3eda859c986c03635411c3b6b6cd70d5 Mon Sep 17 00:00:00 2001 From: moneromooo-monero Date: Tue, 18 Jun 2019 14:38:57 +0000 Subject: p2p: don't forget pruning seed or public RPC port when updating peers Older nodes don't pass that information around --- src/p2p/net_peerlist.h | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) (limited to 'src/p2p') diff --git a/src/p2p/net_peerlist.h b/src/p2p/net_peerlist.h index f4fa921e2..883997fd6 100644 --- a/src/p2p/net_peerlist.h +++ b/src/p2p/net_peerlist.h @@ -344,8 +344,14 @@ namespace nodetool trim_white_peerlist(); }else { - //update record in white list - m_peers_white.replace(by_addr_it_wt, ple); + //update record in white list + peerlist_entry new_ple = ple; + if (by_addr_it_wt->pruning_seed && ple.pruning_seed == 0) // guard against older nodes not passing pruning info around + new_ple.pruning_seed = by_addr_it_wt->pruning_seed; + if (by_addr_it_wt->rpc_port && ple.rpc_port == 0) // guard against older nodes not passing RPC port around + new_ple.rpc_port = by_addr_it_wt->rpc_port; + new_ple.last_seen = by_addr_it_wt->last_seen; // do not overwrite the last seen timestamp, incoming peer list are untrusted + m_peers_white.replace(by_addr_it_wt, new_ple); } //remove from gray list, if need auto by_addr_it_gr = m_peers_gray.get().find(ple.adr); @@ -379,8 +385,14 @@ namespace nodetool trim_gray_peerlist(); }else { - //update record in white list - m_peers_gray.replace(by_addr_it_gr, ple); + //update record in gray list + peerlist_entry new_ple = ple; + if (by_addr_it_gr->pruning_seed && ple.pruning_seed == 0) // guard against older nodes not passing pruning info around + new_ple.pruning_seed = by_addr_it_gr->pruning_seed; + if (by_addr_it_gr->rpc_port && ple.rpc_port == 0) // guard against older nodes not passing RPC port around + new_ple.rpc_port = by_addr_it_gr->rpc_port; + new_ple.last_seen = by_addr_it_gr->last_seen; // do not overwrite the last seen timestamp, incoming peer list are untrusted + m_peers_gray.replace(by_addr_it_gr, new_ple); } return true; CATCH_ENTRY_L0("peerlist_manager::append_with_peer_gray()", false); -- cgit v1.2.3